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fune/widget/windows/TSFTextStore.cpp
Wes Kocher d8985b6e57 Merge inbound to central, a=merge 
MozReview-Commit-ID: IUFdbLdYFhX
2017-10-04 16:37:59 -07:00

6956 lines
239 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#define INPUTSCOPE_INIT_GUID
#define TEXTATTRS_INIT_GUID
#include "TSFTextStore.h"
#include <olectl.h>
#include <algorithm>
#include "nscore.h"
#include "IMMHandler.h"
#include "WinIMEHandler.h"
#include "WinUtils.h"
#include "mozilla/AutoRestore.h"
#include "mozilla/Logging.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEventDispatcher.h"
#include "mozilla/TextEvents.h"
#include "mozilla/WindowsVersion.h"
#include "nsIXULRuntime.h"
#include "nsWindow.h"
#include "nsPrintfCString.h"
namespace mozilla {
namespace widget {
static const char* kPrefNameEnableTSF = "intl.tsf.enable";
/**
* TSF related code should log its behavior even on release build especially
* in the interface methods.
*
* In interface methods, use LogLevel::Info.
* In internal methods, use LogLevel::Debug for logging normal behavior.
* For logging error, use LogLevel::Error.
*
* When an instance method is called, start with following text:
* "0x%p TSFFoo::Bar(", the 0x%p should be the "this" of the nsFoo.
* after that, start with:
* "0x%p TSFFoo::Bar("
* In an internal method, start with following text:
* "0x%p TSFFoo::Bar("
* When a static method is called, start with following text:
* "TSFFoo::Bar("
*/
LazyLogModule sTextStoreLog("nsTextStoreWidgets");
static const char*
GetBoolName(bool aBool)
{
return aBool ? "true" : "false";
}
static void
HandleSeparator(nsCString& aDesc)
{
if (!aDesc.IsEmpty()) {
aDesc.AppendLiteral(" | ");
}
}
static const nsCString
GetFindFlagName(DWORD aFindFlag)
{
nsAutoCString description;
if (!aFindFlag) {
description.AppendLiteral("no flags (0)");
return description;
}
if (aFindFlag & TS_ATTR_FIND_BACKWARDS) {
description.AppendLiteral("TS_ATTR_FIND_BACKWARDS");
}
if (aFindFlag & TS_ATTR_FIND_WANT_OFFSET) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_OFFSET");
}
if (aFindFlag & TS_ATTR_FIND_UPDATESTART) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_UPDATESTART");
}
if (aFindFlag & TS_ATTR_FIND_WANT_VALUE) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_VALUE");
}
if (aFindFlag & TS_ATTR_FIND_WANT_END) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_END");
}
if (aFindFlag & TS_ATTR_FIND_HIDDEN) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_HIDDEN");
}
if (description.IsEmpty()) {
description.AppendLiteral("Unknown (");
description.AppendInt(static_cast<uint32_t>(aFindFlag));
description.Append(')');
}
return description;
}
class GetACPFromPointFlagName : public nsAutoCString
{
public:
explicit GetACPFromPointFlagName(DWORD aFlags)
{
if (!aFlags) {
AppendLiteral("no flags (0)");
return;
}
if (aFlags & GXFPF_ROUND_NEAREST) {
AppendLiteral("GXFPF_ROUND_NEAREST");
aFlags &= ~GXFPF_ROUND_NEAREST;
}
if (aFlags & GXFPF_NEAREST) {
HandleSeparator(*this);
AppendLiteral("GXFPF_NEAREST");
aFlags &= ~GXFPF_NEAREST;
}
if (aFlags) {
HandleSeparator(*this);
AppendLiteral("Unknown(");
AppendInt(static_cast<uint32_t>(aFlags));
Append(')');
}
}
virtual ~GetACPFromPointFlagName() {}
};
static const char*
GetFocusChangeName(InputContextAction::FocusChange aFocusChange)
{
switch (aFocusChange) {
case InputContextAction::FOCUS_NOT_CHANGED:
return "FOCUS_NOT_CHANGED";
case InputContextAction::GOT_FOCUS:
return "GOT_FOCUS";
case InputContextAction::LOST_FOCUS:
return "LOST_FOCUS";
case InputContextAction::MENU_GOT_PSEUDO_FOCUS:
return "MENU_GOT_PSEUDO_FOCUS";
case InputContextAction::MENU_LOST_PSEUDO_FOCUS:
return "MENU_LOST_PSEUDO_FOCUS";
case InputContextAction::WIDGET_CREATED:
return "WIDGET_CREATED";
default:
return "Unknown";
}
}
static nsCString
GetCLSIDNameStr(REFCLSID aCLSID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromCLSID(aCLSID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoCString result;
result = NS_ConvertUTF16toUTF8(str);
::CoTaskMemFree(str);
return result;
}
static nsCString
GetGUIDNameStr(REFGUID aGUID)
{
OLECHAR str[40];
int len = ::StringFromGUID2(aGUID, str, ArrayLength(str));
if (!len || !str[0]) {
return EmptyCString();
}
return NS_ConvertUTF16toUTF8(str);
}
static nsCString
GetGUIDNameStrWithTable(REFGUID aGUID)
{
#define RETURN_GUID_NAME(aNamedGUID) \
if (IsEqualGUID(aGUID, aNamedGUID)) { \
return NS_LITERAL_CSTRING(#aNamedGUID); \
}
RETURN_GUID_NAME(GUID_PROP_INPUTSCOPE)
RETURN_GUID_NAME(TSATTRID_OTHERS)
RETURN_GUID_NAME(TSATTRID_Font)
RETURN_GUID_NAME(TSATTRID_Font_FaceName)
RETURN_GUID_NAME(TSATTRID_Font_SizePts)
RETURN_GUID_NAME(TSATTRID_Font_Style)
RETURN_GUID_NAME(TSATTRID_Font_Style_Bold)
RETURN_GUID_NAME(TSATTRID_Font_Style_Italic)
RETURN_GUID_NAME(TSATTRID_Font_Style_SmallCaps)
RETURN_GUID_NAME(TSATTRID_Font_Style_Capitalize)
RETURN_GUID_NAME(TSATTRID_Font_Style_Uppercase)
RETURN_GUID_NAME(TSATTRID_Font_Style_Lowercase)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_LasVegasLights)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_BlinkingBackground)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_SparkleText)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_MarchingBlackAnts)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_MarchingRedAnts)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_Shimmer)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_WipeDown)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_WipeRight)
RETURN_GUID_NAME(TSATTRID_Font_Style_Emboss)
RETURN_GUID_NAME(TSATTRID_Font_Style_Engrave)
RETURN_GUID_NAME(TSATTRID_Font_Style_Hidden)
RETURN_GUID_NAME(TSATTRID_Font_Style_Kerning)
RETURN_GUID_NAME(TSATTRID_Font_Style_Outlined)
RETURN_GUID_NAME(TSATTRID_Font_Style_Position)
RETURN_GUID_NAME(TSATTRID_Font_Style_Protected)
RETURN_GUID_NAME(TSATTRID_Font_Style_Shadow)
RETURN_GUID_NAME(TSATTRID_Font_Style_Spacing)
RETURN_GUID_NAME(TSATTRID_Font_Style_Weight)
RETURN_GUID_NAME(TSATTRID_Font_Style_Height)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Blink)
RETURN_GUID_NAME(TSATTRID_Font_Style_Subscript)
RETURN_GUID_NAME(TSATTRID_Font_Style_Superscript)
RETURN_GUID_NAME(TSATTRID_Font_Style_Color)
RETURN_GUID_NAME(TSATTRID_Font_Style_BackgroundColor)
RETURN_GUID_NAME(TSATTRID_Text)
RETURN_GUID_NAME(TSATTRID_Text_VerticalWriting)
RETURN_GUID_NAME(TSATTRID_Text_RightToLeft)
RETURN_GUID_NAME(TSATTRID_Text_Orientation)
RETURN_GUID_NAME(TSATTRID_Text_Language)
RETURN_GUID_NAME(TSATTRID_Text_ReadOnly)
RETURN_GUID_NAME(TSATTRID_Text_EmbeddedObject)
RETURN_GUID_NAME(TSATTRID_Text_Alignment)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Left)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Right)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Center)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Justify)
RETURN_GUID_NAME(TSATTRID_Text_Link)
RETURN_GUID_NAME(TSATTRID_Text_Hyphenation)
RETURN_GUID_NAME(TSATTRID_Text_Para)
RETURN_GUID_NAME(TSATTRID_Text_Para_FirstLineIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_LeftIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_RightIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_SpaceAfter)
RETURN_GUID_NAME(TSATTRID_Text_Para_SpaceBefore)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Single)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_OnePtFive)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Double)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_AtLeast)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Exactly)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Multiple)
RETURN_GUID_NAME(TSATTRID_List)
RETURN_GUID_NAME(TSATTRID_List_LevelIndel)
RETURN_GUID_NAME(TSATTRID_List_Type)
RETURN_GUID_NAME(TSATTRID_List_Type_Bullet)
RETURN_GUID_NAME(TSATTRID_List_Type_Arabic)
RETURN_GUID_NAME(TSATTRID_List_Type_LowerLetter)
RETURN_GUID_NAME(TSATTRID_List_Type_UpperLetter)
RETURN_GUID_NAME(TSATTRID_List_Type_LowerRoman)
RETURN_GUID_NAME(TSATTRID_List_Type_UpperRoman)
RETURN_GUID_NAME(TSATTRID_App)
RETURN_GUID_NAME(TSATTRID_App_IncorrectSpelling)
RETURN_GUID_NAME(TSATTRID_App_IncorrectGrammar)
#undef RETURN_GUID_NAME
return GetGUIDNameStr(aGUID);
}
static nsCString
GetRIIDNameStr(REFIID aRIID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromIID(aRIID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoString key(L"Interface\\");
key += str;
nsAutoCString result;
wchar_t buf[256];
if (WinUtils::GetRegistryKey(HKEY_CLASSES_ROOT, key.get(), nullptr,
buf, sizeof(buf))) {
result = NS_ConvertUTF16toUTF8(buf);
} else {
result = NS_ConvertUTF16toUTF8(str);
}
::CoTaskMemFree(str);
return result;
}
static const char*
GetCommonReturnValueName(HRESULT aResult)
{
switch (aResult) {
case S_OK:
return "S_OK";
case E_ABORT:
return "E_ABORT";
case E_ACCESSDENIED:
return "E_ACCESSDENIED";
case E_FAIL:
return "E_FAIL";
case E_HANDLE:
return "E_HANDLE";
case E_INVALIDARG:
return "E_INVALIDARG";
case E_NOINTERFACE:
return "E_NOINTERFACE";
case E_NOTIMPL:
return "E_NOTIMPL";
case E_OUTOFMEMORY:
return "E_OUTOFMEMORY";
case E_POINTER:
return "E_POINTER";
case E_UNEXPECTED:
return "E_UNEXPECTED";
default:
return SUCCEEDED(aResult) ? "Succeeded" : "Failed";
}
}
static const char*
GetTextStoreReturnValueName(HRESULT aResult)
{
switch (aResult) {
case TS_E_FORMAT:
return "TS_E_FORMAT";
case TS_E_INVALIDPOINT:
return "TS_E_INVALIDPOINT";
case TS_E_INVALIDPOS:
return "TS_E_INVALIDPOS";
case TS_E_NOINTERFACE:
return "TS_E_NOINTERFACE";
case TS_E_NOLAYOUT:
return "TS_E_NOLAYOUT";
case TS_E_NOLOCK:
return "TS_E_NOLOCK";
case TS_E_NOOBJECT:
return "TS_E_NOOBJECT";
case TS_E_NOSELECTION:
return "TS_E_NOSELECTION";
case TS_E_NOSERVICE:
return "TS_E_NOSERVICE";
case TS_E_READONLY:
return "TS_E_READONLY";
case TS_E_SYNCHRONOUS:
return "TS_E_SYNCHRONOUS";
case TS_S_ASYNC:
return "TS_S_ASYNC";
default:
return GetCommonReturnValueName(aResult);
}
}
static const nsCString
GetSinkMaskNameStr(DWORD aSinkMask)
{
nsAutoCString description;
if (aSinkMask & TS_AS_TEXT_CHANGE) {
description.AppendLiteral("TS_AS_TEXT_CHANGE");
}
if (aSinkMask & TS_AS_SEL_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_SEL_CHANGE");
}
if (aSinkMask & TS_AS_LAYOUT_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_LAYOUT_CHANGE");
}
if (aSinkMask & TS_AS_ATTR_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_ATTR_CHANGE");
}
if (aSinkMask & TS_AS_STATUS_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_STATUS_CHANGE");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetActiveSelEndName(TsActiveSelEnd aSelEnd)
{
return aSelEnd == TS_AE_NONE ? "TS_AE_NONE" :
aSelEnd == TS_AE_START ? "TS_AE_START" :
aSelEnd == TS_AE_END ? "TS_AE_END" : "Unknown";
}
static const nsCString
GetLockFlagNameStr(DWORD aLockFlags)
{
nsAutoCString description;
if ((aLockFlags & TS_LF_READWRITE) == TS_LF_READWRITE) {
description.AppendLiteral("TS_LF_READWRITE");
} else if (aLockFlags & TS_LF_READ) {
description.AppendLiteral("TS_LF_READ");
}
if (aLockFlags & TS_LF_SYNC) {
if (!description.IsEmpty()) {
description.AppendLiteral(" | ");
}
description.AppendLiteral("TS_LF_SYNC");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetTextRunTypeName(TsRunType aRunType)
{
switch (aRunType) {
case TS_RT_PLAIN:
return "TS_RT_PLAIN";
case TS_RT_HIDDEN:
return "TS_RT_HIDDEN";
case TS_RT_OPAQUE:
return "TS_RT_OPAQUE";
default:
return "Unknown";
}
}
static nsCString
GetColorName(const TF_DA_COLOR& aColor)
{
switch (aColor.type) {
case TF_CT_NONE:
return NS_LITERAL_CSTRING("TF_CT_NONE");
case TF_CT_SYSCOLOR:
return nsPrintfCString("TF_CT_SYSCOLOR, nIndex:0x%08X",
static_cast<int32_t>(aColor.nIndex));
case TF_CT_COLORREF:
return nsPrintfCString("TF_CT_COLORREF, cr:0x%08X",
static_cast<int32_t>(aColor.cr));
break;
default:
return nsPrintfCString("Unknown(%08X)",
static_cast<int32_t>(aColor.type));
}
}
static nsCString
GetLineStyleName(TF_DA_LINESTYLE aLineStyle)
{
switch (aLineStyle) {
case TF_LS_NONE:
return NS_LITERAL_CSTRING("TF_LS_NONE");
case TF_LS_SOLID:
return NS_LITERAL_CSTRING("TF_LS_SOLID");
case TF_LS_DOT:
return NS_LITERAL_CSTRING("TF_LS_DOT");
case TF_LS_DASH:
return NS_LITERAL_CSTRING("TF_LS_DASH");
case TF_LS_SQUIGGLE:
return NS_LITERAL_CSTRING("TF_LS_SQUIGGLE");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aLineStyle));
}
}
}
static nsCString
GetClauseAttrName(TF_DA_ATTR_INFO aAttr)
{
switch (aAttr) {
case TF_ATTR_INPUT:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT");
case TF_ATTR_TARGET_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_CONVERTED");
case TF_ATTR_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_CONVERTED");
case TF_ATTR_TARGET_NOTCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_NOTCONVERTED");
case TF_ATTR_INPUT_ERROR:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT_ERROR");
case TF_ATTR_FIXEDCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_FIXEDCONVERTED");
case TF_ATTR_OTHER:
return NS_LITERAL_CSTRING("TF_ATTR_OTHER");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aAttr));
}
}
}
static nsCString
GetDisplayAttrStr(const TF_DISPLAYATTRIBUTE& aDispAttr)
{
nsAutoCString str;
str = "crText:{ ";
str += GetColorName(aDispAttr.crText);
str += " }, crBk:{ ";
str += GetColorName(aDispAttr.crBk);
str += " }, lsStyle: ";
str += GetLineStyleName(aDispAttr.lsStyle);
str += ", fBoldLine: ";
str += GetBoolName(aDispAttr.fBoldLine);
str += ", crLine:{ ";
str += GetColorName(aDispAttr.crLine);
str += " }, bAttr: ";
str += GetClauseAttrName(aDispAttr.bAttr);
return str;
}
static const char*
GetMouseButtonName(int16_t aButton)
{
switch (aButton) {
case WidgetMouseEventBase::eLeftButton:
return "LeftButton";
case WidgetMouseEventBase::eMiddleButton:
return "MiddleButton";
case WidgetMouseEventBase::eRightButton:
return "RightButton";
default:
return "UnknownButton";
}
}
#define ADD_SEPARATOR_IF_NECESSARY(aStr) \
if (!aStr.IsEmpty()) { \
aStr.AppendLiteral(", "); \
}
static nsCString
GetMouseButtonsName(int16_t aButtons)
{
if (!aButtons) {
return NS_LITERAL_CSTRING("no buttons");
}
nsAutoCString names;
if (aButtons & WidgetMouseEventBase::eLeftButtonFlag) {
names = "LeftButton";
}
if (aButtons & WidgetMouseEventBase::eRightButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "RightButton";
}
if (aButtons & WidgetMouseEventBase::eMiddleButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "MiddleButton";
}
if (aButtons & WidgetMouseEventBase::e4thButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "4thButton";
}
if (aButtons & WidgetMouseEventBase::e5thButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "5thButton";
}
return names;
}
static nsCString
GetModifiersName(Modifiers aModifiers)
{
if (aModifiers == MODIFIER_NONE) {
return NS_LITERAL_CSTRING("no modifiers");
}
nsAutoCString names;
if (aModifiers & MODIFIER_ALT) {
names = NS_DOM_KEYNAME_ALT;
}
if (aModifiers & MODIFIER_ALTGRAPH) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_ALTGRAPH;
}
if (aModifiers & MODIFIER_CAPSLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_CAPSLOCK;
}
if (aModifiers & MODIFIER_CONTROL) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_CONTROL;
}
if (aModifiers & MODIFIER_FN) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_FN;
}
if (aModifiers & MODIFIER_FNLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_FNLOCK;
}
if (aModifiers & MODIFIER_META) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_META;
}
if (aModifiers & MODIFIER_NUMLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_NUMLOCK;
}
if (aModifiers & MODIFIER_SCROLLLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SCROLLLOCK;
}
if (aModifiers & MODIFIER_SHIFT) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SHIFT;
}
if (aModifiers & MODIFIER_SYMBOL) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SYMBOL;
}
if (aModifiers & MODIFIER_SYMBOLLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SYMBOLLOCK;
}
if (aModifiers & MODIFIER_OS) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_OS;
}
return names;
}
class GetWritingModeName : public nsAutoCString
{
public:
explicit GetWritingModeName(const WritingMode& aWritingMode)
{
if (!aWritingMode.IsVertical()) {
AssignLiteral("Horizontal");
return;
}
if (aWritingMode.IsVerticalLR()) {
AssignLiteral("Vertical (LR)");
return;
}
AssignLiteral("Vertical (RL)");
}
virtual ~GetWritingModeName() {}
};
class GetEscapedUTF8String final : public NS_ConvertUTF16toUTF8
{
public:
explicit GetEscapedUTF8String(const nsAString& aString)
: NS_ConvertUTF16toUTF8(aString)
{
Escape();
}
explicit GetEscapedUTF8String(const char16ptr_t aString)
: NS_ConvertUTF16toUTF8(aString)
{
Escape();
}
GetEscapedUTF8String(const char16ptr_t aString, uint32_t aLength)
: NS_ConvertUTF16toUTF8(aString, aLength)
{
Escape();
}
private:
void Escape()
{
ReplaceSubstring("\r", "\\r");
ReplaceSubstring("\n", "\\n");
ReplaceSubstring("\t", "\\t");
}
};
class GetIMEStateString : public nsAutoCString
{
public:
explicit GetIMEStateString(const IMEState& aIMEState)
{
AppendLiteral("{ mEnabled=");
switch (aIMEState.mEnabled) {
case IMEState::DISABLED:
AppendLiteral("DISABLED");
break;
case IMEState::ENABLED:
AppendLiteral("ENABLED");
break;
case IMEState::PASSWORD:
AppendLiteral("PASSWORD");
break;
case IMEState::PLUGIN:
AppendLiteral("PLUGIN");
break;
case IMEState::UNKNOWN:
AppendLiteral("UNKNOWN");
break;
default:
AppendPrintf("Unknown value (%d)", aIMEState.mEnabled);
break;
}
AppendLiteral(", mOpen=");
switch (aIMEState.mOpen) {
case IMEState::OPEN_STATE_NOT_SUPPORTED:
AppendLiteral("OPEN_STATE_NOT_SUPPORTED or DONT_CHANGE_OPEN_STATE");
break;
case IMEState::OPEN:
AppendLiteral("OPEN");
break;
case IMEState::CLOSED:
AppendLiteral("CLOSED");
break;
default:
AppendPrintf("Unknown value (%d)", aIMEState.mOpen);
break;
}
AppendLiteral(" }");
}
};
class GetInputContextString : public nsAutoCString
{
public:
explicit GetInputContextString(const InputContext& aInputContext)
{
AppendPrintf("{ mIMEState=%s, ",
GetIMEStateString(aInputContext.mIMEState).get());
AppendLiteral("mOrigin=");
switch (aInputContext.mOrigin) {
case InputContext::ORIGIN_MAIN:
AppendLiteral("ORIGIN_MAIN");
break;
case InputContext::ORIGIN_CONTENT:
AppendLiteral("ORIGIN_CONTENT");
break;
default:
AppendPrintf("Unknown value (%d)", aInputContext.mOrigin);
break;
}
AppendPrintf(", mHTMLInputType=\"%s\", mHTMLInputInputmode=\"%s\", "
"mActionHint=\"%s\", mMayBeIMEUnaware=%s }",
NS_ConvertUTF16toUTF8(aInputContext.mHTMLInputType).get(),
NS_ConvertUTF16toUTF8(aInputContext.mHTMLInputInputmode).get(),
NS_ConvertUTF16toUTF8(aInputContext.mActionHint).get(),
GetBoolName(aInputContext.mMayBeIMEUnaware));
}
};
class GetInputScopeString : public nsAutoCString
{
public:
explicit GetInputScopeString(const nsTArray<InputScope>& aList)
{
for (InputScope inputScope : aList) {
if (!IsEmpty()) {
AppendLiteral(", ");
}
switch (inputScope) {
case IS_DEFAULT:
AppendLiteral("IS_DEFAULT");
break;
case IS_URL:
AppendLiteral("IS_URL");
break;
case IS_FILE_FULLFILEPATH:
AppendLiteral("IS_FILE_FULLFILEPATH");
break;
case IS_FILE_FILENAME:
AppendLiteral("IS_FILE_FILENAME");
break;
case IS_EMAIL_USERNAME:
AppendLiteral("IS_EMAIL_USERNAME");
break;
case IS_EMAIL_SMTPEMAILADDRESS:
AppendLiteral("IS_EMAIL_SMTPEMAILADDRESS");
break;
case IS_LOGINNAME:
AppendLiteral("IS_LOGINNAME");
break;
case IS_PERSONALNAME_FULLNAME:
AppendLiteral("IS_PERSONALNAME_FULLNAME");
break;
case IS_PERSONALNAME_PREFIX:
AppendLiteral("IS_PERSONALNAME_PREFIX");
break;
case IS_PERSONALNAME_GIVENNAME:
AppendLiteral("IS_PERSONALNAME_GIVENNAME");
break;
case IS_PERSONALNAME_MIDDLENAME:
AppendLiteral("IS_PERSONALNAME_MIDDLENAME");
break;
case IS_PERSONALNAME_SURNAME:
AppendLiteral("IS_PERSONALNAME_SURNAME");
break;
case IS_PERSONALNAME_SUFFIX:
AppendLiteral("IS_PERSONALNAME_SUFFIX");
break;
case IS_ADDRESS_FULLPOSTALADDRESS:
AppendLiteral("IS_ADDRESS_FULLPOSTALADDRESS");
break;
case IS_ADDRESS_POSTALCODE:
AppendLiteral("IS_ADDRESS_POSTALCODE");
break;
case IS_ADDRESS_STREET:
AppendLiteral("IS_ADDRESS_STREET");
break;
case IS_ADDRESS_STATEORPROVINCE:
AppendLiteral("IS_ADDRESS_STATEORPROVINCE");
break;
case IS_ADDRESS_CITY:
AppendLiteral("IS_ADDRESS_CITY");
break;
case IS_ADDRESS_COUNTRYNAME:
AppendLiteral("IS_ADDRESS_COUNTRYNAME");
break;
case IS_ADDRESS_COUNTRYSHORTNAME:
AppendLiteral("IS_ADDRESS_COUNTRYSHORTNAME");
break;
case IS_CURRENCY_AMOUNTANDSYMBOL:
AppendLiteral("IS_CURRENCY_AMOUNTANDSYMBOL");
break;
case IS_CURRENCY_AMOUNT:
AppendLiteral("IS_CURRENCY_AMOUNT");
break;
case IS_DATE_FULLDATE:
AppendLiteral("IS_DATE_FULLDATE");
break;
case IS_DATE_MONTH:
AppendLiteral("IS_DATE_MONTH");
break;
case IS_DATE_DAY:
AppendLiteral("IS_DATE_DAY");
break;
case IS_DATE_YEAR:
AppendLiteral("IS_DATE_YEAR");
break;
case IS_DATE_MONTHNAME:
AppendLiteral("IS_DATE_MONTHNAME");
break;
case IS_DATE_DAYNAME:
AppendLiteral("IS_DATE_DAYNAME");
break;
case IS_DIGITS:
AppendLiteral("IS_DIGITS");
break;
case IS_NUMBER:
AppendLiteral("IS_NUMBER");
break;
case IS_ONECHAR:
AppendLiteral("IS_ONECHAR");
break;
case IS_PASSWORD:
AppendLiteral("IS_PASSWORD");
break;
case IS_TELEPHONE_FULLTELEPHONENUMBER:
AppendLiteral("IS_TELEPHONE_FULLTELEPHONENUMBER");
break;
case IS_TELEPHONE_COUNTRYCODE:
AppendLiteral("IS_TELEPHONE_COUNTRYCODE");
break;
case IS_TELEPHONE_AREACODE:
AppendLiteral("IS_TELEPHONE_AREACODE");
break;
case IS_TELEPHONE_LOCALNUMBER:
AppendLiteral("IS_TELEPHONE_LOCALNUMBER");
break;
case IS_TIME_FULLTIME:
AppendLiteral("IS_TIME_FULLTIME");
break;
case IS_TIME_HOUR:
AppendLiteral("IS_TIME_HOUR");
break;
case IS_TIME_MINORSEC:
AppendLiteral("IS_TIME_MINORSEC");
break;
case IS_NUMBER_FULLWIDTH:
AppendLiteral("IS_NUMBER_FULLWIDTH");
break;
case IS_ALPHANUMERIC_HALFWIDTH:
AppendLiteral("IS_ALPHANUMERIC_HALFWIDTH");
break;
case IS_ALPHANUMERIC_FULLWIDTH:
AppendLiteral("IS_ALPHANUMERIC_FULLWIDTH");
break;
case IS_CURRENCY_CHINESE:
AppendLiteral("IS_CURRENCY_CHINESE");
break;
case IS_BOPOMOFO:
AppendLiteral("IS_BOPOMOFO");
break;
case IS_HIRAGANA:
AppendLiteral("IS_HIRAGANA");
break;
case IS_KATAKANA_HALFWIDTH:
AppendLiteral("IS_KATAKANA_HALFWIDTH");
break;
case IS_KATAKANA_FULLWIDTH:
AppendLiteral("IS_KATAKANA_FULLWIDTH");
break;
case IS_HANJA:
AppendLiteral("IS_HANJA");
break;
case IS_PHRASELIST:
AppendLiteral("IS_PHRASELIST");
break;
case IS_REGULAREXPRESSION:
AppendLiteral("IS_REGULAREXPRESSION");
break;
case IS_SRGS:
AppendLiteral("IS_SRGS");
break;
case IS_XML:
AppendLiteral("IS_XML");
break;
default:
AppendPrintf("Unknown Value(%d)", inputScope);
break;
}
}
}
};
/******************************************************************/
/* InputScopeImpl */
/******************************************************************/
class InputScopeImpl final : public ITfInputScope
{
~InputScopeImpl() {}
public:
explicit InputScopeImpl(const nsTArray<InputScope>& aList)
: mInputScopes(aList)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p InputScopeImpl(%s)", this, GetInputScopeString(aList).get()));
}
NS_INLINE_DECL_IUNKNOWN_REFCOUNTING(InputScopeImpl)
STDMETHODIMP QueryInterface(REFIID riid, void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITfInputScope == riid) ) {
*ppv = static_cast<ITfInputScope*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP GetInputScopes(InputScope** pprgInputScopes, UINT* pcCount)
{
uint32_t count = (mInputScopes.IsEmpty() ? 1 : mInputScopes.Length());
InputScope* pScope = (InputScope*) CoTaskMemAlloc(sizeof(InputScope) * count);
NS_ENSURE_TRUE(pScope, E_OUTOFMEMORY);
if (mInputScopes.IsEmpty()) {
*pScope = IS_DEFAULT;
*pcCount = 1;
*pprgInputScopes = pScope;
return S_OK;
}
*pcCount = 0;
for (uint32_t idx = 0; idx < count; idx++) {
*(pScope + idx) = mInputScopes[idx];
(*pcCount)++;
}
*pprgInputScopes = pScope;
return S_OK;
}
STDMETHODIMP GetPhrase(BSTR **ppbstrPhrases, UINT* pcCount)
{
return E_NOTIMPL;
}
STDMETHODIMP GetRegularExpression(BSTR* pbstrRegExp) { return E_NOTIMPL; }
STDMETHODIMP GetSRGS(BSTR* pbstrSRGS) { return E_NOTIMPL; }
STDMETHODIMP GetXML(BSTR* pbstrXML) { return E_NOTIMPL; }
private:
nsTArray<InputScope> mInputScopes;
};
/******************************************************************/
/* TSFStaticSink */
/******************************************************************/
class TSFStaticSink final : public ITfInputProcessorProfileActivationSink
{
public:
static TSFStaticSink* GetInstance()
{
if (!sInstance) {
RefPtr<ITfThreadMgr> threadMgr = TSFTextStore::GetThreadMgr();
if (NS_WARN_IF(!threadMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFStaticSink::GetInstance() FAILED to initialize TSFStaticSink "
"instance due to no ThreadMgr instance"));
return nullptr;
}
RefPtr<ITfInputProcessorProfiles> inputProcessorProfiles =
TSFTextStore::GetInputProcessorProfiles();
if (NS_WARN_IF(!inputProcessorProfiles)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFStaticSink::GetInstance() FAILED to initialize TSFStaticSink "
"instance due to no InputProcessorProfiles instance"));
return nullptr;
}
RefPtr<TSFStaticSink> staticSink = new TSFStaticSink();
if (NS_WARN_IF(!staticSink->Init(threadMgr, inputProcessorProfiles))) {
staticSink->Destroy();
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFStaticSink::GetInstance() FAILED to initialize TSFStaticSink "
"instance"));
return nullptr;
}
sInstance = staticSink.forget();
}
return sInstance;
}
static void Shutdown()
{
if (sInstance) {
sInstance->Destroy();
sInstance = nullptr;
}
}
bool Init(ITfThreadMgr* aThreadMgr,
ITfInputProcessorProfiles* aInputProcessorProfiles);
STDMETHODIMP QueryInterface(REFIID riid, void** ppv)
{
*ppv = nullptr;
if (IID_IUnknown == riid ||
IID_ITfInputProcessorProfileActivationSink == riid) {
*ppv = static_cast<ITfInputProcessorProfileActivationSink*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
NS_INLINE_DECL_IUNKNOWN_REFCOUNTING(TSFStaticSink)
const nsString& GetActiveTIPKeyboardDescription() const
{
return mActiveTIPKeyboardDescription;
}
static bool IsIMM_IMEActive()
{
// Use IMM API until TSFStaticSink starts to work.
if (!sInstance || !sInstance->EnsureInitActiveTIPKeyboard()) {
return IsIMM_IME(::GetKeyboardLayout(0));
}
return sInstance->mIsIMM_IME;
}
static bool IsIMM_IME(HKL aHKL)
{
return (::ImmGetIMEFileNameW(aHKL, nullptr, 0) > 0);
}
#define DECL_AND_IMPL_IS_TIP_ACTIVE(aMethod) \
static bool aMethod() \
{ \
RefPtr<TSFStaticSink> staticSink = GetInstance(); \
if (NS_WARN_IF(!staticSink) || \
NS_WARN_IF(!staticSink->EnsureInitActiveTIPKeyboard())) { \
return false; \
} \
return staticSink->aMethod ## Internal(); \
}
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSJapaneseIMEActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSOfficeJapaneseIME2010Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsGoogleJapaneseInputActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOKActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2011Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2012Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2013Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2014Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2015Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsATOK2016Active)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSChangJieActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSQuickActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsFreeChangJieActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSPinyinActive)
DECL_AND_IMPL_IS_TIP_ACTIVE(IsMSWubiActive)
#undef DECL_AND_IMPL_IS_TIP_ACTIVE
// Note that ATOK 2011 - 2016 refers native caret position for deciding its
// popup window position.
static bool IsATOKReferringNativeCaretActive()
{
RefPtr<TSFStaticSink> staticSink = GetInstance();
if (NS_WARN_IF(!staticSink) ||
NS_WARN_IF(!staticSink->EnsureInitActiveTIPKeyboard())) {
return false;
}
return staticSink->IsATOKActiveInternal() &&
(staticSink->IsATOK2011ActiveInternal() ||
staticSink->IsATOK2012ActiveInternal() ||
staticSink->IsATOK2013ActiveInternal() ||
staticSink->IsATOK2014ActiveInternal() ||
staticSink->IsATOK2015ActiveInternal() ||
staticSink->IsATOK2016ActiveInternal());
}
private:
/****************************************************************************
* Japanese TIP
****************************************************************************/
// Note that TIP name may depend on the language of the environment.
// For example, some TIP may use localized name for its target language
// environment but English name for the others. Therefore, we should
// compare GUID as far as possible.
bool IsMSJapaneseIMEActiveInternal() const
{
// {A76C93D9-5523-4E90-AAFA-4DB112F9AC76} (Win7, Win8.1, Win10)
static const GUID kGUID = {
0xA76C93D9, 0x5523, 0x4E90,
{ 0xAA, 0xFA, 0x4D, 0xB1, 0x12, 0xF9, 0xAC, 0x76 }
};
return mActiveTIPGUID == kGUID;
}
bool IsMSOfficeJapaneseIME2010ActiveInternal() const
{
// {54EDCC94-1524-4BB1-9FB7-7BABE4F4CA64}
static const GUID kGUID = {
0x54EDCC94, 0x1524, 0x4BB1,
{ 0x9F, 0xB7, 0x7B, 0xAB, 0xE4, 0xF4, 0xCA, 0x64 }
};
return mActiveTIPGUID == kGUID;
}
bool IsGoogleJapaneseInputActiveInternal() const
{
// {773EB24E-CA1D-4B1B-B420-FA985BB0B80D}
static const GUID kGUID = {
0x773EB24E, 0xCA1D, 0x4B1B,
{ 0xB4, 0x20, 0xFA, 0x98, 0x5B, 0xB0, 0xB8, 0x0D }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOKActiveInternal() const
{
// FYI: Name of ATOK includes the release year like "ATOK 2015".
return StringBeginsWith(mActiveTIPKeyboardDescription,
NS_LITERAL_STRING("ATOK "));
}
bool IsATOK2011ActiveInternal() const
{
// {F9C24A5C-8A53-499D-9572-93B2FF582115}
static const GUID kGUID = {
0xF9C24A5C, 0x8A53, 0x499D,
{ 0x95, 0x72, 0x93, 0xB2, 0xFF, 0x58, 0x21, 0x15 }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOK2012ActiveInternal() const
{
// {1DE01562-F445-401B-B6C3-E5B18DB79461}
static const GUID kGUID = {
0x1DE01562, 0xF445, 0x401B,
{ 0xB6, 0xC3, 0xE5, 0xB1, 0x8D, 0xB7, 0x94, 0x61 }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOK2013ActiveInternal() const
{
// {3C4DB511-189A-4168-B6EA-BFD0B4C85615}
static const GUID kGUID = {
0x3C4DB511, 0x189A, 0x4168,
{ 0xB6, 0xEA, 0xBF, 0xD0, 0xB4, 0xC8, 0x56, 0x15 }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOK2014ActiveInternal() const
{
// {4EF33B79-6AA9-4271-B4BF-9321C279381B}
static const GUID kGUID = {
0x4EF33B79, 0x6AA9, 0x4271,
{ 0xB4, 0xBF, 0x93, 0x21, 0xC2, 0x79, 0x38, 0x1B }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOK2015ActiveInternal() const
{
// {EAB4DC00-CE2E-483D-A86A-E6B99DA9599A}
static const GUID kGUID = {
0xEAB4DC00, 0xCE2E, 0x483D,
{ 0xA8, 0x6A, 0xE6, 0xB9, 0x9D, 0xA9, 0x59, 0x9A }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOK2016ActiveInternal() const
{
// {0B557B4C-5740-4110-A60A-1493FA10BF2B}
static const GUID kGUID = {
0x0B557B4C, 0x5740, 0x4110,
{ 0xA6, 0x0A, 0x14, 0x93, 0xFA, 0x10, 0xBF, 0x2B }
};
return mActiveTIPGUID == kGUID;
}
// * ATOK 2017
// - {6DBFD8F5-701D-11E6-920F-782BCBA6348F}
/****************************************************************************
* Traditional Chinese TIP
****************************************************************************/
bool IsMSChangJieActiveInternal() const
{
// {4BDF9F03-C7D3-11D4-B2AB-0080C882687E} (Win7, Win8.1, Win10)
static const GUID kGUID = {
0x4BDF9F03, 0xC7D3, 0x11D4,
{ 0xB2, 0xAB, 0x00, 0x80, 0xC8, 0x82, 0x68, 0x7E }
};
return mActiveTIPGUID == kGUID;
}
bool IsMSQuickActiveInternal() const
{
// {6024B45F-5C54-11D4-B921-0080C882687E} (Win7, Win8.1, Win10)
static const GUID kGUID = {
0x6024B45F, 0x5C54, 0x11D4,
{ 0xB9, 0x21, 0x00, 0x80, 0xC8, 0x82, 0x68, 0x7E }
};
return mActiveTIPGUID == kGUID;
}
// NOTE: There are some other Traditional Chinese TIPs installed in Windows:
// * Microsoft Bopomofo
// - {B2F9C502-1742-11D4-9790-0080C882687E} (Win8.1, Win10)
// * Chinese Traditional Array (version 6.0)
// - {D38EFF65-AA46-4FD5-91A7-67845FB02F5B} (Win7, Win8.1)
// * Chinese Traditional DaYi (version 6.0)
// - {037B2C25-480C-4D7F-B027-D6CA6B69788A} (Win7, Win8.1)
// * Phonetic
// - {761309DE-317A-11D4-9B5D-0080C882687E} (Win7)
// * New ChangJie
// - {F3BA907A-6C7E-11D4-97FA-0080C882687E} (Win7)
// * New Phonetic
// - {B2F9C502-1742-11D4-9790-0080C882687E} (Win7)
// * New Quick
// - {0B883BA0-C1C7-11D4-87F9-0080C882687E} (Win7)
bool IsFreeChangJieActiveInternal() const
{
// {B58630B5-0ED3-4335-BBC9-E77BBCB43CAD}
static const GUID kGUID = {
0xB58630B5, 0x0ED3, 0x4335,
{ 0xBB, 0xC9, 0xE7, 0x7B, 0xBC, 0xB4, 0x3C, 0xAD }
};
return mActiveTIPGUID == kGUID;
}
/****************************************************************************
* Simplified Chinese TIP
****************************************************************************/
bool IsMSPinyinActiveInternal() const
{
// FYI: This matches with neither "Microsoft Pinyin ABC Input Style" nor
// "Microsoft Pinyin New Experience Input Style" on Win7.
// {FA550B04-5AD7-411F-A5AC-CA038EC515D7} (Win8.1, Win10)
static const GUID kGUID = {
0xFA550B04, 0x5AD7, 0x411F,
{ 0xA5, 0xAC, 0xCA, 0x03, 0x8E, 0xC5, 0x15, 0xD7 }
};
return mActiveTIPGUID == kGUID;
}
bool IsMSWubiActiveInternal() const
{
// {82590C13-F4DD-44F4-BA1D-8667246FDF8E} (Win8.1, Win10)
static const GUID kGUID = {
0x82590C13, 0xF4DD, 0x44F4,
{ 0xBA, 0x1D, 0x86, 0x67, 0x24, 0x6F, 0xDF, 0x8E }
};
return mActiveTIPGUID == kGUID;
}
// NOTE: There are some other Simplified Chinese TIPs installed in Windows:
// * Chinese Simplified QuanPin (version 6.0)
// - {54FC610E-6ABD-4685-9DDD-A130BDF1B170} (Win8.1)
// * Chinese Simplified ZhengMa (version 6.0)
// - {733B4D81-3BC3-4132-B91A-E9CDD5E2BFC9} (Win8.1)
// * Chinese Simplified ShuangPin (version 6.0)
// - {EF63706D-31C4-490E-9DBB-BD150ADC454B} (Win8.1)
// * Microsoft Pinyin ABC Input Style
// - {FCA121D2-8C6D-41FB-B2DE-A2AD110D4820} (Win7)
// * Microsoft Pinyin New Experience Input Style
// - {F3BA9077-6C7E-11D4-97FA-0080C882687E} (Win7)
public: // ITfInputProcessorProfileActivationSink
STDMETHODIMP OnActivated(DWORD, LANGID, REFCLSID, REFGUID, REFGUID,
HKL, DWORD);
private:
TSFStaticSink();
virtual ~TSFStaticSink() {}
bool EnsureInitActiveTIPKeyboard();
void Destroy();
void GetTIPDescription(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile, nsAString& aDescription);
bool IsTIPCategoryKeyboard(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile);
// Cookie of installing ITfInputProcessorProfileActivationSink
DWORD mIPProfileCookie;
LANGID mLangID;
// True if current IME is implemented with IMM.
bool mIsIMM_IME;
// True if OnActivated() is already called
bool mOnActivatedCalled;
RefPtr<ITfThreadMgr> mThreadMgr;
RefPtr<ITfInputProcessorProfiles> mInputProcessorProfiles;
// Active TIP keyboard's description. If active language profile isn't TIP,
// i.e., IMM-IME or just a keyboard layout, this is empty.
nsString mActiveTIPKeyboardDescription;
// Active TIP's GUID
GUID mActiveTIPGUID;
static StaticRefPtr<TSFStaticSink> sInstance;
};
StaticRefPtr<TSFStaticSink> TSFStaticSink::sInstance;
TSFStaticSink::TSFStaticSink()
: mIPProfileCookie(TF_INVALID_COOKIE)
, mLangID(0)
, mIsIMM_IME(false)
, mOnActivatedCalled(false)
, mActiveTIPGUID(GUID_NULL)
{
}
bool
TSFStaticSink::Init(ITfThreadMgr* aThreadMgr,
ITfInputProcessorProfiles* aInputProcessorProfiles)
{
MOZ_ASSERT(!mThreadMgr && !mInputProcessorProfiles,
"TSFStaticSink::Init() must be called only once");
mThreadMgr = aThreadMgr;
mInputProcessorProfiles = aInputProcessorProfiles;
RefPtr<ITfSource> source;
HRESULT hr =
mThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::Init() FAILED to get ITfSource "
"instance (0x%08X)", this, hr));
return false;
}
// NOTE: On Vista or later, Windows let us know activate IME changed only
// with ITfInputProcessorProfileActivationSink.
hr = source->AdviseSink(IID_ITfInputProcessorProfileActivationSink,
static_cast<ITfInputProcessorProfileActivationSink*>(this),
&mIPProfileCookie);
if (FAILED(hr) || mIPProfileCookie == TF_INVALID_COOKIE) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::Init() FAILED to install "
"ITfInputProcessorProfileActivationSink (0x%08X)", this, hr));
return false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFStaticSink::Init(), "
"mIPProfileCookie=0x%08X",
this, mIPProfileCookie));
return true;
}
void
TSFStaticSink::Destroy()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFStaticSink::Shutdown() "
"mIPProfileCookie=0x%08X",
this, mIPProfileCookie));
if (mIPProfileCookie != TF_INVALID_COOKIE) {
RefPtr<ITfSource> source;
HRESULT hr =
mThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::Shutdown() FAILED to get "
"ITfSource instance (0x%08X)", this, hr));
} else {
hr = source->UnadviseSink(mIPProfileCookie);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Shutdown() FAILED to uninstall "
"ITfInputProcessorProfileActivationSink (0x%08X)",
this, hr));
}
}
}
mThreadMgr = nullptr;
mInputProcessorProfiles = nullptr;
}
STDMETHODIMP
TSFStaticSink::OnActivated(DWORD dwProfileType,
LANGID langid,
REFCLSID rclsid,
REFGUID catid,
REFGUID guidProfile,
HKL hkl,
DWORD dwFlags)
{
if ((dwFlags & TF_IPSINK_FLAG_ACTIVE) &&
(dwProfileType == TF_PROFILETYPE_KEYBOARDLAYOUT ||
catid == GUID_TFCAT_TIP_KEYBOARD)) {
mOnActivatedCalled = true;
mActiveTIPGUID = guidProfile;
mLangID = langid;
mIsIMM_IME = IsIMM_IME(hkl);
GetTIPDescription(rclsid, mLangID, guidProfile,
mActiveTIPKeyboardDescription);
// Notify IMEHandler of changing active keyboard layout.
IMEHandler::OnKeyboardLayoutChanged();
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFStaticSink::OnActivated(dwProfileType=%s (0x%08X), "
"langid=0x%08X, rclsid=%s, catid=%s, guidProfile=%s, hkl=0x%08X, "
"dwFlags=0x%08X (TF_IPSINK_FLAG_ACTIVE: %s)), mIsIMM_IME=%s, "
"mActiveTIPDescription=\"%s\"",
this, dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR ?
"TF_PROFILETYPE_INPUTPROCESSOR" :
dwProfileType == TF_PROFILETYPE_KEYBOARDLAYOUT ?
"TF_PROFILETYPE_KEYBOARDLAYOUT" : "Unknown", dwProfileType,
langid, GetCLSIDNameStr(rclsid).get(), GetGUIDNameStr(catid).get(),
GetGUIDNameStr(guidProfile).get(), hkl, dwFlags,
GetBoolName(dwFlags & TF_IPSINK_FLAG_ACTIVE),
GetBoolName(mIsIMM_IME),
NS_ConvertUTF16toUTF8(mActiveTIPKeyboardDescription).get()));
return S_OK;
}
bool
TSFStaticSink::EnsureInitActiveTIPKeyboard()
{
if (mOnActivatedCalled) {
return true;
}
RefPtr<ITfInputProcessorProfileMgr> profileMgr;
HRESULT hr =
mInputProcessorProfiles->QueryInterface(IID_ITfInputProcessorProfileMgr,
getter_AddRefs(profileMgr));
if (FAILED(hr) || !profileMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get input processor profile manager, hr=0x%08X", this, hr));
return false;
}
TF_INPUTPROCESSORPROFILE profile;
hr = profileMgr->GetActiveProfile(GUID_TFCAT_TIP_KEYBOARD, &profile);
if (hr == S_FALSE) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get active keyboard layout profile due to no active profile, "
"hr=0x%08X", this, hr));
// XXX Should we call OnActivated() with arguments like non-TIP in this
// case?
return false;
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get active TIP keyboard, hr=0x%08X", this, hr));
return false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), "
"calling OnActivated() manually...", this));
OnActivated(profile.dwProfileType, profile.langid, profile.clsid,
profile.catid, profile.guidProfile, ::GetKeyboardLayout(0),
TF_IPSINK_FLAG_ACTIVE);
return true;
}
void
TSFStaticSink::GetTIPDescription(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile, nsAString& aDescription)
{
aDescription.Truncate();
if (aTextService == CLSID_NULL || aProfile == GUID_NULL) {
return;
}
BSTR description = nullptr;
HRESULT hr =
mInputProcessorProfiles->GetLanguageProfileDescription(aTextService,
aLangID,
aProfile,
&description);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::InitActiveTIPDescription() FAILED "
"due to GetLanguageProfileDescription() failure, hr=0x%08X",
this, hr));
return;
}
if (description && description[0]) {
aDescription.Assign(description);
}
::SysFreeString(description);
}
bool
TSFStaticSink::IsTIPCategoryKeyboard(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile)
{
if (aTextService == CLSID_NULL || aProfile == GUID_NULL) {
return false;
}
RefPtr<IEnumTfLanguageProfiles> enumLangProfiles;
HRESULT hr =
mInputProcessorProfiles->EnumLanguageProfiles(aLangID,
getter_AddRefs(enumLangProfiles));
if (FAILED(hr) || !enumLangProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFStaticSink::IsTIPCategoryKeyboard(), FAILED "
"to get language profiles enumerator, hr=0x%08X", this, hr));
return false;
}
TF_LANGUAGEPROFILE profile;
ULONG fetch = 0;
while (SUCCEEDED(enumLangProfiles->Next(1, &profile, &fetch)) && fetch) {
// XXX We're not sure a profile is registered with two or more categories.
if (profile.clsid == aTextService &&
profile.guidProfile == aProfile &&
profile.catid == GUID_TFCAT_TIP_KEYBOARD) {
return true;
}
}
return false;
}
/******************************************************************/
/* TSFPreference */
/******************************************************************/
class TSFPrefs final
{
public:
#define DECL_AND_IMPL_BOOL_PREF(aPref, aName, aDefaultValue) \
static bool aName () \
{ \
static bool s ## aName ## Value = \
Preferences::GetBool(aPref, aDefaultValue); \
return s ## aName ## Value; \
}
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.atok.create_native_caret",
NeedToCreateNativeCaretForLegacyATOK, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.atok.do_not_return_no_layout_error_of_composition_string",
DoNotReturnNoLayoutErrorToATOKOfCompositionString, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_simplified_chinese.do_not_return_no_layout_error",
DoNotReturnNoLayoutErrorToMSSimplifiedTIP, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_traditional_chinese.do_not_return_no_layout_error",
DoNotReturnNoLayoutErrorToMSTraditionalTIP, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.free_chang_jie.do_not_return_no_layout_error",
DoNotReturnNoLayoutErrorToFreeChangJie, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_japanese_ime.do_not_return_no_layout_error_at_first_char",
DoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_japanese_ime.do_not_return_no_layout_error_at_caret",
DoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_simplified_chinese.query_insert_result",
NeedToHackQueryInsertForMSSimplifiedTIP, true)
DECL_AND_IMPL_BOOL_PREF(
"intl.tsf.hack.ms_traditional_chinese.query_insert_result",
NeedToHackQueryInsertForMSTraditionalTIP, true)
#undef DECL_AND_IMPL_BOOL_PREF
};
/******************************************************************/
/* TSFTextStore */
/******************************************************************/
StaticRefPtr<ITfThreadMgr> TSFTextStore::sThreadMgr;
StaticRefPtr<ITfMessagePump> TSFTextStore::sMessagePump;
StaticRefPtr<ITfKeystrokeMgr> TSFTextStore::sKeystrokeMgr;
StaticRefPtr<ITfDisplayAttributeMgr> TSFTextStore::sDisplayAttrMgr;
StaticRefPtr<ITfCategoryMgr> TSFTextStore::sCategoryMgr;
StaticRefPtr<ITfCompartment> TSFTextStore::sCompartmentForOpenClose;
StaticRefPtr<ITfDocumentMgr> TSFTextStore::sDisabledDocumentMgr;
StaticRefPtr<ITfContext> TSFTextStore::sDisabledContext;
StaticRefPtr<ITfInputProcessorProfiles> TSFTextStore::sInputProcessorProfiles;
StaticRefPtr<TSFTextStore> TSFTextStore::sEnabledTextStore;
DWORD TSFTextStore::sClientId = 0;
#define TEXTSTORE_DEFAULT_VIEW (1)
TSFTextStore::TSFTextStore()
: mEditCookie(0)
, mSinkMask(0)
, mLock(0)
, mLockQueued(0)
, mHandlingKeyMessage(0)
, mContentForTSF(mComposition, mSelectionForTSF)
, mRequestedAttrValues(false)
, mIsRecordingActionsWithoutLock(false)
, mHasReturnedNoLayoutError(false)
, mWaitingQueryLayout(false)
, mPendingDestroy(false)
, mDeferClearingContentForTSF(false)
, mNativeCaretIsCreated(false)
, mDeferNotifyingTSF(false)
, mDeferCommittingComposition(false)
, mDeferCancellingComposition(false)
, mDestroyed(false)
, mBeingDestroyed(false)
{
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
mRequestedAttrs[i] = false;
}
// We hope that 5 or more actions don't occur at once.
mPendingActions.SetCapacity(5);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::TSFTextStore() SUCCEEDED", this));
}
TSFTextStore::~TSFTextStore()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore instance is destroyed", this));
}
bool
TSFTextStore::Init(nsWindowBase* aWidget,
const InputContext& aContext)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::Init(aWidget=0x%p)",
this, aWidget));
if (NS_WARN_IF(!aWidget) || NS_WARN_IF(aWidget->Destroyed())) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED due to being initialized with "
"destroyed widget",
this));
return false;
}
if (mDocumentMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED due to already initialized",
this));
return false;
}
mWidget = aWidget;
if (NS_WARN_IF(!mWidget)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED "
"due to aWidget is nullptr ", this));
return false;
}
mDispatcher = mWidget->GetTextEventDispatcher();
if (NS_WARN_IF(!mDispatcher)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED "
"due to aWidget->GetTextEventDispatcher() failure", this));
return false;
}
SetInputScope(aContext.mHTMLInputType, aContext.mHTMLInputInputmode);
// Create document manager
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
RefPtr<ITfDocumentMgr> documentMgr;
HRESULT hr = threadMgr->CreateDocumentMgr(getter_AddRefs(documentMgr));
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to create ITfDocumentMgr "
"(0x%08X)", this, hr));
return false;
}
if (NS_WARN_IF(mDestroyed)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to create ITfDocumentMgr due to "
"TextStore being destroyed during calling "
"ITfThreadMgr::CreateDocumentMgr()", this));
return false;
}
// Create context and add it to document manager
RefPtr<ITfContext> context;
hr = documentMgr->CreateContext(sClientId, 0,
static_cast<ITextStoreACP*>(this),
getter_AddRefs(context), &mEditCookie);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to create the context "
"(0x%08X)", this, hr));
return false;
}
if (NS_WARN_IF(mDestroyed)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to create ITfContext due to "
"TextStore being destroyed during calling "
"ITfDocumentMgr::CreateContext()", this));
return false;
}
hr = documentMgr->Push(context);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to push the context (0x%08X)",
this, hr));
return false;
}
if (NS_WARN_IF(mDestroyed)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::Init() FAILED to create ITfContext due to "
"TextStore being destroyed during calling ITfDocumentMgr::Push()",
this));
documentMgr->Pop(TF_POPF_ALL);
return false;
}
mDocumentMgr = documentMgr;
mContext = context;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::Init() succeeded: "
"mDocumentMgr=0x%p, mContext=0x%p, mEditCookie=0x%08X",
this, mDocumentMgr.get(), mContext.get(), mEditCookie));
return true;
}
void
TSFTextStore::Destroy()
{
if (mBeingDestroyed) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::Destroy(), mLock=%s, "
"mComposition.IsComposing()=%s, mHandlingKeyMessage=%u",
this, GetLockFlagNameStr(mLock).get(),
GetBoolName(mComposition.IsComposing()),
mHandlingKeyMessage));
mDestroyed = true;
// Destroy native caret first because it's not directly related to TSF and
// there may be another textstore which gets focus. So, we should avoid
// to destroy caret after the new one recreates caret.
MaybeDestroyNativeCaret();
if (mLock) {
mPendingDestroy = true;
return;
}
AutoRestore<bool> savedBeingDestroyed(mBeingDestroyed);
mBeingDestroyed = true;
// If there is composition, TSF keeps the composition even after the text
// store destroyed. So, we should clear the composition here.
if (mComposition.IsComposing()) {
CommitCompositionInternal(false);
}
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::Destroy(), calling "
"ITextStoreACPSink::OnLayoutChange(TS_LC_DESTROY)...",
this));
RefPtr<ITextStoreACPSink> sink = mSink;
sink->OnLayoutChange(TS_LC_DESTROY, TEXTSTORE_DEFAULT_VIEW);
}
// If this is called during handling a keydown or keyup message, we should
// put off to release TSF objects until it completely finishes since
// MS-IME for Japanese refers some objects without grabbing them.
if (!mHandlingKeyMessage) {
ReleaseTSFObjects();
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::Destroy() succeeded", this));
}
void
TSFTextStore::ReleaseTSFObjects()
{
MOZ_ASSERT(!mHandlingKeyMessage);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::ReleaseTSFObjects()", this));
mContext = nullptr;
if (mDocumentMgr) {
RefPtr<ITfDocumentMgr> documentMgr = mDocumentMgr.forget();
documentMgr->Pop(TF_POPF_ALL);
}
mSink = nullptr;
mWidget = nullptr;
mDispatcher = nullptr;
if (!mMouseTrackers.IsEmpty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::ReleaseTSFObjects(), "
"removing a mouse tracker...",
this));
mMouseTrackers.Clear();
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::ReleaseTSFObjects() completed", this));
}
STDMETHODIMP
TSFTextStore::QueryInterface(REFIID riid,
void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITextStoreACP == riid) ) {
*ppv = static_cast<ITextStoreACP*>(this);
} else if (IID_ITfContextOwnerCompositionSink == riid) {
*ppv = static_cast<ITfContextOwnerCompositionSink*>(this);
} else if (IID_ITfMouseTrackerACP == riid) {
*ppv = static_cast<ITfMouseTrackerACP*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::QueryInterface() FAILED, riid=%s",
this, GetRIIDNameStr(riid).get()));
return E_NOINTERFACE;
}
STDMETHODIMP
TSFTextStore::AdviseSink(REFIID riid,
IUnknown* punk,
DWORD dwMask)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::AdviseSink(riid=%s, punk=0x%p, dwMask=%s), "
"mSink=0x%p, mSinkMask=%s",
this, GetRIIDNameStr(riid).get(), punk, GetSinkMaskNameStr(dwMask).get(),
mSink.get(), GetSinkMaskNameStr(mSinkMask).get()));
if (!punk) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseSink() FAILED due to the null punk",
this));
return E_UNEXPECTED;
}
if (IID_ITextStoreACPSink != riid) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseSink() FAILED due to "
"unsupported interface", this));
return E_INVALIDARG; // means unsupported interface.
}
if (!mSink) {
// Install sink
punk->QueryInterface(IID_ITextStoreACPSink, getter_AddRefs(mSink));
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseSink() FAILED due to "
"punk not having the interface", this));
return E_UNEXPECTED;
}
} else {
// If sink is already installed we check to see if they are the same
// Get IUnknown from both sides for comparison
RefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
if (comparison1 != comparison2) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_ADVISELIMIT;
}
}
// Update mask either for a new sink or an existing sink
mSinkMask = dwMask;
return S_OK;
}
STDMETHODIMP
TSFTextStore::UnadviseSink(IUnknown* punk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::UnadviseSink(punk=0x%p), mSink=0x%p",
this, punk, mSink.get()));
if (!punk) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseSink() FAILED due to the null punk",
this));
return E_INVALIDARG;
}
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseSink() FAILED due to "
"any sink not stored", this));
return CONNECT_E_NOCONNECTION;
}
// Get IUnknown from both sides for comparison
RefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
// Unadvise only if sinks are the same
if (comparison1 != comparison2) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_NOCONNECTION;
}
mSink = nullptr;
mSinkMask = 0;
return S_OK;
}
STDMETHODIMP
TSFTextStore::RequestLock(DWORD dwLockFlags,
HRESULT* phrSession)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestLock(dwLockFlags=%s, phrSession=0x%p), "
"mLock=%s, mDestroyed=%s", this, GetLockFlagNameStr(dwLockFlags).get(),
phrSession, GetLockFlagNameStr(mLock).get(), GetBoolName(mDestroyed)));
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RequestLock() FAILED due to "
"any sink not stored", this));
return E_FAIL;
}
if (mDestroyed &&
(!mContentForTSF.IsInitialized() || mSelectionForTSF.IsDirty())) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RequestLock() FAILED due to "
"being destroyed and no information of the contents", this));
return E_FAIL;
}
if (!phrSession) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RequestLock() FAILED due to "
"null phrSession", this));
return E_INVALIDARG;
}
if (!mLock) {
// put on lock
mLock = dwLockFlags & (~TS_LF_SYNC);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p Locking (%s) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
// Don't release this instance during this lock because this is called by
// TSF but they don't grab us during this call.
RefPtr<TSFTextStore> kungFuDeathGrip(this);
RefPtr<ITextStoreACPSink> sink = mSink;
*phrSession = sink->OnLockGranted(mLock);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
DidLockGranted();
while (mLockQueued) {
mLock = mLockQueued;
mLockQueued = 0;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p Locking for the request in the queue (%s) >>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
sink->OnLockGranted(mLock);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
DidLockGranted();
}
// The document is now completely unlocked.
mLock = 0;
MaybeFlushPendingNotifications();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestLock() succeeded: *phrSession=%s",
this, GetTextStoreReturnValueName(*phrSession)));
return S_OK;
}
// only time when reentrant lock is allowed is when caller holds a
// read-only lock and is requesting an async write lock
if (IsReadLocked() && !IsReadWriteLocked() && IsReadWriteLock(dwLockFlags) &&
!(dwLockFlags & TS_LF_SYNC)) {
*phrSession = TS_S_ASYNC;
mLockQueued = dwLockFlags & (~TS_LF_SYNC);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestLock() stores the request in the "
"queue, *phrSession=TS_S_ASYNC", this));
return S_OK;
}
// no more locks allowed
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestLock() didn't allow to lock, "
"*phrSession=TS_E_SYNCHRONOUS", this));
*phrSession = TS_E_SYNCHRONOUS;
return E_FAIL;
}
void
TSFTextStore::DidLockGranted()
{
if (IsReadWriteLocked()) {
// FreeCJ (TIP for Traditional Chinese) calls SetSelection() to set caret
// to the start of composition string and insert a full width space for
// a placeholder with a call of SetText(). After that, it calls
// OnUpdateComposition() without new range. Therefore, let's record the
// composition update information here.
CompleteLastActionIfStillIncomplete();
FlushPendingActions();
}
// If the widget has gone, we don't need to notify anything.
if (mDestroyed || !mWidget || mWidget->Destroyed()) {
mPendingSelectionChangeData.Clear();
mHasReturnedNoLayoutError = false;
}
}
void
TSFTextStore::DispatchEvent(WidgetGUIEvent& aEvent)
{
if (NS_WARN_IF(!mWidget) || NS_WARN_IF(mWidget->Destroyed())) {
return;
}
// If the event isn't a query content event, the event may be handled
// asynchronously. So, we should put off to answer from GetTextExt() etc.
if (!aEvent.AsQueryContentEvent()) {
mDeferNotifyingTSF = true;
}
mWidget->DispatchWindowEvent(&aEvent);
}
void
TSFTextStore::FlushPendingActions()
{
if (!mWidget || mWidget->Destroyed()) {
// Note that don't clear mContentForTSF because TIP may try to commit
// composition with a document lock. In such case, TSFTextStore needs to
// behave as expected by TIP.
mPendingActions.Clear();
mPendingSelectionChangeData.Clear();
mHasReturnedNoLayoutError = false;
return;
}
// Some TIP may request lock but does nothing during the lock. In such case,
// this should do nothing. For example, when MS-IME for Japanese is active
// and we're inactivating, this case occurs and causes different behavior
// from the other TIPs.
if (mPendingActions.IsEmpty()) {
return;
}
RefPtr<nsWindowBase> widget(mWidget);
nsresult rv = mDispatcher->BeginNativeInputTransaction();
if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED due to BeginNativeInputTransaction() failure", this));
return;
}
for (uint32_t i = 0; i < mPendingActions.Length(); i++) {
PendingAction& action = mPendingActions[i];
switch (action.mType) {
case PendingAction::COMPOSITION_START: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_START={ mSelectionStart=%d, "
"mSelectionLength=%d }, mDestroyed=%s",
this, action.mSelectionStart, action.mSelectionLength,
GetBoolName(mDestroyed)));
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("0x%p TSFTextStore::FlushPendingActions() "
"IGNORED pending compositionstart due to already destroyed",
this));
break;
}
if (action.mAdjustSelection) {
// Select composition range so the new composition replaces the range
WidgetSelectionEvent selectionSet(true, eSetSelection, widget);
widget->InitEvent(selectionSet);
selectionSet.mOffset = static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength = static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = false;
DispatchEvent(selectionSet);
if (!selectionSet.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED due to eSetSelection failure", this));
break;
}
}
// eCompositionStart always causes
// NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED. Therefore, we should
// wait to clear mContentForTSF until it's notified.
mDeferClearingContentForTSF = true;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"dispatching compositionstart event...", this));
WidgetEventTime eventTime = widget->CurrentMessageWidgetEventTime();
nsEventStatus status;
rv = mDispatcher->StartComposition(status, &eventTime);
if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED to dispatch compositionstart event, "
"IsComposingInContent()=%s",
this, GetBoolName(!IsComposingInContent())));
mDeferClearingContentForTSF = !IsComposingInContent();
}
if (!widget || widget->Destroyed()) {
break;
}
break;
}
case PendingAction::COMPOSITION_UPDATE: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_UPDATE={ mData=\"%s\", "
"mRanges=0x%p, mRanges->Length()=%d }",
this, GetEscapedUTF8String(action.mData).get(),
action.mRanges.get(),
action.mRanges ? action.mRanges->Length() : 0));
// eCompositionChange causes a DOM text event, the IME will be notified
// of NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED. In this case, we
// should not clear mContentForTSF until we notify the IME of the
// composition update.
mDeferClearingContentForTSF = true;
rv = mDispatcher->SetPendingComposition(action.mData,
action.mRanges);
if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED to setting pending composition... "
"IsComposingInContent()=%s",
this, GetBoolName(IsComposingInContent())));
mDeferClearingContentForTSF = !IsComposingInContent();
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"dispatching compositionchange event...", this));
WidgetEventTime eventTime = widget->CurrentMessageWidgetEventTime();
nsEventStatus status;
rv = mDispatcher->FlushPendingComposition(status, &eventTime);
if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED to dispatch compositionchange event, "
"IsComposingInContent()=%s",
this, GetBoolName(IsComposingInContent())));
mDeferClearingContentForTSF = !IsComposingInContent();
}
// Be aware, the mWidget might already have been destroyed.
}
break;
}
case PendingAction::COMPOSITION_END: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_END={ mData=\"%s\" }",
this, GetEscapedUTF8String(action.mData).get()));
// Dispatching eCompositionCommit causes a DOM text event, then,
// the IME will be notified of NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED.
// In this case, we should not clear mContentForTSFuntil we notify
// the IME of the composition update.
mDeferClearingContentForTSF = true;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions(), "
"dispatching compositioncommit event...", this));
WidgetEventTime eventTime = widget->CurrentMessageWidgetEventTime();
nsEventStatus status;
rv = mDispatcher->CommitComposition(status, &action.mData, &eventTime);
if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::FlushPendingActions() "
"FAILED to dispatch compositioncommit event, "
"IsComposingInContent()=%s",
this, GetBoolName(IsComposingInContent())));
mDeferClearingContentForTSF = !IsComposingInContent();
}
break;
}
case PendingAction::SET_SELECTION: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::FlushPendingActions() "
"flushing SET_SELECTION={ mSelectionStart=%d, "
"mSelectionLength=%d, mSelectionReversed=%s }, "
"mDestroyed=%s",
this, action.mSelectionStart, action.mSelectionLength,
GetBoolName(action.mSelectionReversed),
GetBoolName(mDestroyed)));
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("0x%p TSFTextStore::FlushPendingActions() "
"IGNORED pending selectionset due to already destroyed",
this));
break;
}
WidgetSelectionEvent selectionSet(true, eSetSelection, widget);
selectionSet.mOffset =
static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength =
static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = action.mSelectionReversed;
break;
}
default:
MOZ_CRASH("unexpected action type");
}
if (widget && !widget->Destroyed()) {
continue;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::FlushPendingActions(), "
"qutting since the mWidget has gone", this));
break;
}
mPendingActions.Clear();
}
void
TSFTextStore::MaybeFlushPendingNotifications()
{
if (IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"putting off flushing pending notifications due to being the "
"document locked...", this));
return;
}
if (mDeferCommittingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::CommitCompositionInternal(false)...", this));
mDeferCommittingComposition = mDeferCancellingComposition = false;
CommitCompositionInternal(false);
} else if (mDeferCancellingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::CommitCompositionInternal(true)...", this));
mDeferCommittingComposition = mDeferCancellingComposition = false;
CommitCompositionInternal(true);
}
if (mDeferNotifyingTSF) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"putting off flushing pending notifications due to being "
"dispatching events...", this));
return;
}
if (mPendingDestroy) {
Destroy();
return;
}
if (mDestroyed) {
// If it's already been destroyed completely, this shouldn't notify TSF of
// anything anymore.
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"does nothing because this has already destroyed completely...", this));
return;
}
if (!mDeferClearingContentForTSF && mContentForTSF.IsInitialized()) {
mContentForTSF.Clear();
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"mContentForTSF is cleared", this));
}
// When there is no cached content, we can sync actual contents and TSF/TIP
// expecting contents.
RefPtr<TSFTextStore> kungFuDeathGrip = this;
Unused << kungFuDeathGrip;
if (!mContentForTSF.IsInitialized()) {
if (mPendingTextChangeData.IsValid()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::NotifyTSFOfTextChange()...", this));
NotifyTSFOfTextChange();
}
if (mPendingSelectionChangeData.IsValid()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::NotifyTSFOfSelectionChange()...", this));
NotifyTSFOfSelectionChange();
}
}
if (mHasReturnedNoLayoutError) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::NotifyTSFOfLayoutChange()...", this));
NotifyTSFOfLayoutChange();
}
}
STDMETHODIMP
TSFTextStore::GetStatus(TS_STATUS* pdcs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetStatus(pdcs=0x%p)", this, pdcs));
if (!pdcs) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetStatus() FAILED due to null pdcs", this));
return E_INVALIDARG;
}
pdcs->dwDynamicFlags = 0;
// we use a "flat" text model for TSF support so no hidden text
pdcs->dwStaticFlags = TS_SS_NOHIDDENTEXT;
return S_OK;
}
STDMETHODIMP
TSFTextStore::QueryInsert(LONG acpTestStart,
LONG acpTestEnd,
ULONG cch,
LONG* pacpResultStart,
LONG* pacpResultEnd)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::QueryInsert(acpTestStart=%ld, "
"acpTestEnd=%ld, cch=%lu, pacpResultStart=0x%p, pacpResultEnd=0x%p)",
this, acpTestStart, acpTestEnd, cch, acpTestStart, acpTestEnd));
if (!pacpResultStart || !pacpResultEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::QueryInsert() FAILED due to "
"the null argument", this));
return E_INVALIDARG;
}
if (acpTestStart < 0 || acpTestStart > acpTestEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::QueryInsert() FAILED due to "
"wrong argument", this));
return E_INVALIDARG;
}
// XXX need to adjust to cluster boundary
// Assume we are given good offsets for now
if (IsWin8OrLater() && !mComposition.IsComposing() &&
((TSFPrefs::NeedToHackQueryInsertForMSTraditionalTIP() &&
(TSFStaticSink::IsMSChangJieActive() ||
TSFStaticSink::IsMSQuickActive())) ||
(TSFPrefs::NeedToHackQueryInsertForMSSimplifiedTIP() &&
(TSFStaticSink::IsMSPinyinActive() ||
TSFStaticSink::IsMSWubiActive())))) {
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("0x%p TSFTextStore::QueryInsert() WARNING using different "
"result for the TIP", this));
// Chinese TIPs of Microsoft assume that QueryInsert() returns selected
// range which should be removed.
*pacpResultStart = acpTestStart;
*pacpResultEnd = acpTestEnd;
} else {
*pacpResultStart = acpTestStart;
*pacpResultEnd = acpTestStart + cch;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::QueryInsert() succeeded: "
"*pacpResultStart=%ld, *pacpResultEnd=%ld)",
this, *pacpResultStart, *pacpResultEnd));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetSelection(ULONG ulIndex,
ULONG ulCount,
TS_SELECTION_ACP* pSelection,
ULONG* pcFetched)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetSelection(ulIndex=%lu, ulCount=%lu, "
"pSelection=0x%p, pcFetched=0x%p)",
this, ulIndex, ulCount, pSelection, pcFetched));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetSelection() FAILED due to not locked",
this));
return TS_E_NOLOCK;
}
if (!ulCount || !pSelection || !pcFetched) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pcFetched = 0;
if (ulIndex != static_cast<ULONG>(TS_DEFAULT_SELECTION) &&
ulIndex != 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetSelection() FAILED due to "
"unsupported selection", this));
return TS_E_NOSELECTION;
}
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
if (DoNotReturnErrorFromGetSelection()) {
AutoSetTemporarySelection temprarySetter(selectionForTSF);
*pSelection = selectionForTSF.ACP();
*pcFetched = 1;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetSelection() returns fake selection range "
"for avoiding a crash in TSF, "
"acpStart=%d, acpEnd=%d (length=%d), reverted=%s",
this, selectionForTSF.StartOffset(), selectionForTSF.EndOffset(),
selectionForTSF.Length(), GetBoolName(selectionForTSF.IsReversed())));
return S_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetSelection() FAILED due to "
"SelectionForTSFRef() failure", this));
return E_FAIL;
}
*pSelection = selectionForTSF.ACP();
*pcFetched = 1;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetSelection() succeeded, "
"acpStart=%d, acpEnd=%d (length=%d), reverted=%s",
this, selectionForTSF.StartOffset(), selectionForTSF.EndOffset(),
selectionForTSF.Length(), GetBoolName(selectionForTSF.IsReversed())));
return S_OK;
}
// static
bool
TSFTextStore::DoNotReturnErrorFromGetSelection()
{
// There is a crash bug of TSF if we return error from GetSelection().
// That was introduced in Anniversary Update (build 14393, see bug 1312302)
// TODO: We should avoid to run this hack on fixed builds. When we get
// exact build number, we should get back here.
static bool sTSFMayCrashIfGetSelectionReturnsError =
IsWindows10BuildOrLater(14393);
return sTSFMayCrashIfGetSelectionReturnsError;
}
bool
TSFTextStore::IsComposingInContent() const
{
if (!mDispatcher) {
return false;
}
if (!mDispatcher->IsInNativeInputTransaction()) {
return false;
}
return mDispatcher->IsComposing();
}
TSFTextStore::Content&
TSFTextStore::ContentForTSFRef()
{
// This should be called when the document is locked or the content hasn't
// been abandoned yet.
if (NS_WARN_IF(!IsReadLocked() && !mContentForTSF.IsInitialized())) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::ContentForTSFRef(), FAILED, due to "
"called wrong timing, IsReadLocked()=%s, "
"mContentForTSF.IsInitialized()=%s",
this, GetBoolName(IsReadLocked()),
GetBoolName(mContentForTSF.IsInitialized())));
mContentForTSF.Clear();
return mContentForTSF;
}
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::ContentForTSFRef(), FAILED, due to "
"SelectionForTSFRef() failure", this));
mContentForTSF.Clear();
return mContentForTSF;
}
if (!mContentForTSF.IsInitialized()) {
nsAutoString text;
if (NS_WARN_IF(!GetCurrentText(text))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::ContentForTSFRef(), FAILED, due to "
"GetCurrentText() failure", this));
mContentForTSF.Clear();
return mContentForTSF;
}
mContentForTSF.Init(text);
// Basically, the cached content which is expected by TSF/TIP should be
// cleared after active composition is committed or the document lock is
// unlocked. However, in e10s mode, content will be modified
// asynchronously. In such case, mDeferClearingContentForTSF may be
// true until whole dispatched events are handled by the focused editor.
mDeferClearingContentForTSF = false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::ContentForTSFRef(): "
"mContentForTSF={ mText=\"%s\" (Length()=%u), "
"mLastCompositionString=\"%s\" (Length()=%u), "
"mMinTextModifiedOffset=%u }",
this, mContentForTSF.Text().Length() <= 40 ?
GetEscapedUTF8String(mContentForTSF.Text()).get() : "<omitted>",
mContentForTSF.Text().Length(),
GetEscapedUTF8String(mContentForTSF.LastCompositionString()).get(),
mContentForTSF.LastCompositionString().Length(),
mContentForTSF.MinTextModifiedOffset()));
return mContentForTSF;
}
bool
TSFTextStore::CanAccessActualContentDirectly() const
{
if (!mContentForTSF.IsInitialized() || mSelectionForTSF.IsDirty()) {
return true;
}
// If the cached content has been changed by something except composition,
// the content cache may be different from actual content.
if (mPendingTextChangeData.IsValid() &&
!mPendingTextChangeData.mCausedOnlyByComposition) {
return false;
}
// If the cached selection isn't changed, cached content and actual content
// should be same.
if (!mPendingSelectionChangeData.IsValid()) {
return true;
}
return mSelectionForTSF.EqualsExceptDirection(mPendingSelectionChangeData);
}
bool
TSFTextStore::GetCurrentText(nsAString& aTextContent)
{
if (mContentForTSF.IsInitialized()) {
aTextContent = mContentForTSF.Text();
return true;
}
MOZ_ASSERT(!mDestroyed);
MOZ_ASSERT(mWidget && !mWidget->Destroyed());
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetCurrentText(): "
"retrieving text from the content...", this));
WidgetQueryContentEvent queryText(true, eQueryTextContent, mWidget);
queryText.InitForQueryTextContent(0, UINT32_MAX);
mWidget->InitEvent(queryText);
DispatchEvent(queryText);
if (NS_WARN_IF(!queryText.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetCurrentText(), FAILED, due to "
"eQueryTextContent failure", this));
aTextContent.Truncate();
return false;
}
aTextContent = queryText.mReply.mString;
return true;
}
TSFTextStore::Selection&
TSFTextStore::SelectionForTSFRef()
{
if (mSelectionForTSF.IsDirty()) {
MOZ_ASSERT(!mDestroyed);
// If the window has never been available, we should crash since working
// with broken values may make TIP confused.
if (!mWidget || mWidget->Destroyed()) {
MOZ_CRASH();
}
WidgetQueryContentEvent querySelection(true, eQuerySelectedText, mWidget);
mWidget->InitEvent(querySelection);
DispatchEvent(querySelection);
if (NS_WARN_IF(!querySelection.mSucceeded)) {
return mSelectionForTSF;
}
mSelectionForTSF.SetSelection(querySelection.mReply.mOffset,
querySelection.mReply.mString.Length(),
querySelection.mReply.mReversed,
querySelection.GetWritingMode());
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::SelectionForTSFRef(): "
"acpStart=%d, acpEnd=%d (length=%d), reverted=%s",
this, mSelectionForTSF.StartOffset(), mSelectionForTSF.EndOffset(),
mSelectionForTSF.Length(),
GetBoolName(mSelectionForTSF.IsReversed())));
return mSelectionForTSF;
}
static HRESULT
GetRangeExtent(ITfRange* aRange, LONG* aStart, LONG* aLength)
{
RefPtr<ITfRangeACP> rangeACP;
aRange->QueryInterface(IID_ITfRangeACP, getter_AddRefs(rangeACP));
NS_ENSURE_TRUE(rangeACP, E_FAIL);
return rangeACP->GetExtent(aStart, aLength);
}
static TextRangeType
GetGeckoSelectionValue(TF_DISPLAYATTRIBUTE& aDisplayAttr)
{
switch (aDisplayAttr.bAttr) {
case TF_ATTR_TARGET_CONVERTED:
return TextRangeType::eSelectedClause;
case TF_ATTR_CONVERTED:
return TextRangeType::eConvertedClause;
case TF_ATTR_TARGET_NOTCONVERTED:
return TextRangeType::eSelectedRawClause;
default:
return TextRangeType::eRawClause;
}
}
HRESULT
TSFTextStore::GetDisplayAttribute(ITfProperty* aAttrProperty,
ITfRange* aRange,
TF_DISPLAYATTRIBUTE* aResult)
{
NS_ENSURE_TRUE(aAttrProperty, E_FAIL);
NS_ENSURE_TRUE(aRange, E_FAIL);
NS_ENSURE_TRUE(aResult, E_FAIL);
HRESULT hr;
if (MOZ_LOG_TEST(sTextStoreLog, LogLevel::Debug)) {
LONG start = 0, length = 0;
hr = GetRangeExtent(aRange, &start, &length);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetDisplayAttribute(): "
"GetDisplayAttribute range=%ld-%ld (hr=%s)",
this, start - mComposition.mStart,
start - mComposition.mStart + length,
GetCommonReturnValueName(hr)));
}
VARIANT propValue;
::VariantInit(&propValue);
hr = aAttrProperty->GetValue(TfEditCookie(mEditCookie), aRange, &propValue);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() failed", this));
return hr;
}
if (VT_I4 != propValue.vt) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() returns non-VT_I4 value", this));
::VariantClear(&propValue);
return E_FAIL;
}
RefPtr<ITfCategoryMgr> categoryMgr = GetCategoryMgr();
if (NS_WARN_IF(!categoryMgr)) {
return E_FAIL;
}
GUID guid;
hr = categoryMgr->GetGUID(DWORD(propValue.lVal), &guid);
::VariantClear(&propValue);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfCategoryMgr::GetGUID() failed", this));
return hr;
}
RefPtr<ITfDisplayAttributeMgr> displayAttrMgr = GetDisplayAttributeMgr();
if (NS_WARN_IF(!displayAttrMgr)) {
return E_FAIL;
}
RefPtr<ITfDisplayAttributeInfo> info;
hr = displayAttrMgr->GetDisplayAttributeInfo(guid, getter_AddRefs(info),
nullptr);
if (FAILED(hr) || !info) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeMgr::GetDisplayAttributeInfo() failed", this));
return hr;
}
hr = info->GetAttributeInfo(aResult);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeInfo::GetAttributeInfo() failed", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetDisplayAttribute() succeeded: "
"Result={ %s }", this, GetDisplayAttrStr(*aResult).get()));
return S_OK;
}
HRESULT
TSFTextStore::RestartCompositionIfNecessary(ITfRange* aRangeNew)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RestartCompositionIfNecessary("
"aRangeNew=0x%p), mComposition.mView=0x%p",
this, aRangeNew, mComposition.mView.get()));
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartCompositionIfNecessary() FAILED "
"due to no composition view", this));
return E_FAIL;
}
HRESULT hr;
RefPtr<ITfCompositionView> pComposition(mComposition.mView);
RefPtr<ITfRange> composingRange(aRangeNew);
if (!composingRange) {
hr = pComposition->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartCompositionIfNecessary() "
"FAILED due to pComposition->GetRange() failure", this));
return hr;
}
}
// Get starting offset of the composition
LONG compStart = 0, compLength = 0;
hr = GetRangeExtent(composingRange, &compStart, &compLength);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartCompositionIfNecessary() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RestartCompositionIfNecessary(), "
"range=%ld-%ld, mComposition={ mStart=%ld, mString.Length()=%lu }",
this, compStart, compStart + compLength, mComposition.mStart,
mComposition.mString.Length()));
if (mComposition.mStart != compStart ||
mComposition.mString.Length() != (ULONG)compLength) {
// If the queried composition length is different from the length
// of our composition string, OnUpdateComposition is being called
// because a part of the original composition was committed.
hr = RestartComposition(pComposition, composingRange);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartCompositionIfNecessary() "
"FAILED due to RestartComposition() failure", this));
return hr;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RestartCompositionIfNecessary() succeeded",
this));
return S_OK;
}
HRESULT
TSFTextStore::RestartComposition(ITfCompositionView* aCompositionView,
ITfRange* aNewRange)
{
Selection& selectionForTSF = SelectionForTSFRef();
LONG newStart, newLength;
HRESULT hr = GetRangeExtent(aNewRange, &newStart, &newLength);
LONG newEnd = newStart + newLength;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RestartComposition(aCompositionView=0x%p, "
"aNewRange=0x%p { newStart=%d, newLength=%d }), "
"mComposition={ mStart=%d, mCompositionString.Length()=%d }, "
"selectionForTSF={ IsDirty()=%s, StartOffset()=%d, Length()=%d }",
this, aCompositionView, aNewRange, newStart, newLength,
mComposition.mStart, mComposition.mString.Length(),
GetBoolName(selectionForTSF.IsDirty()),
selectionForTSF.StartOffset(), selectionForTSF.Length()));
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartComposition() FAILED "
"due to SelectionForTSFRef() failure", this));
return E_FAIL;
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartComposition() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
// If the new range has no overlap with the crrent range, we just commit
// the composition and restart new composition with the new range but
// current selection range should be preserved.
if (newStart >= mComposition.EndOffset() || newEnd <= mComposition.mStart) {
RecordCompositionEndAction();
RecordCompositionStartAction(aCompositionView, newStart, newLength, true);
return S_OK;
}
// If the new range has an overlap with the current one, we should not commit
// the whole current range to avoid creating an odd undo transaction.
// I.e., the overlapped range which is being composed should not appear in
// undo transaction.
// Backup current composition data and selection data.
Composition oldComposition = mComposition;
Selection oldSelection = selectionForTSF;
// Commit only the part of composition.
LONG keepComposingStartOffset = std::max(mComposition.mStart, newStart);
LONG keepComposingEndOffset = std::min(mComposition.EndOffset(), newEnd);
MOZ_ASSERT(keepComposingStartOffset <= keepComposingEndOffset,
"Why keepComposingEndOffset is smaller than keepComposingStartOffset?");
LONG keepComposingLength = keepComposingEndOffset - keepComposingStartOffset;
// Remove the overlapped part from the commit string.
nsAutoString commitString(mComposition.mString);
commitString.Cut(keepComposingStartOffset - mComposition.mStart,
keepComposingLength);
// Update the composition string.
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RestartComposition() FAILED "
"due to ContentForTSFRef() failure", this));
return E_FAIL;
}
contentForTSF.ReplaceTextWith(mComposition.mStart,
mComposition.mString.Length(),
commitString);
// Record a compositionupdate action for commit the part of composing string.
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mData = mComposition.mString;
action->mRanges->Clear();
// Note that we shouldn't append ranges when composition string
// is empty because it may cause TextComposition confused.
if (!action->mData.IsEmpty()) {
TextRange caretRange;
caretRange.mStartOffset = caretRange.mEndOffset =
uint32_t(oldComposition.mStart + commitString.Length());
caretRange.mRangeType = TextRangeType::eCaret;
action->mRanges->AppendElement(caretRange);
}
action->mIncomplete = false;
// Record compositionend action.
RecordCompositionEndAction();
// Record compositionstart action only with the new start since this method
// hasn't restored composing string yet.
RecordCompositionStartAction(aCompositionView, newStart, 0, false);
// Restore the latest text content and selection.
contentForTSF.ReplaceSelectedTextWith(
nsDependentSubstring(oldComposition.mString,
keepComposingStartOffset - oldComposition.mStart,
keepComposingLength));
selectionForTSF = oldSelection;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RestartComposition() succeeded, "
"mComposition={ mStart=%d, mCompositionString.Length()=%d }, "
"selectionForTSF={ IsDirty()=%s, StartOffset()=%d, Length()=%d }",
this, mComposition.mStart, mComposition.mString.Length(),
GetBoolName(selectionForTSF.IsDirty()),
selectionForTSF.StartOffset(), selectionForTSF.Length()));
return S_OK;
}
static bool
GetColor(const TF_DA_COLOR& aTSFColor, nscolor& aResult)
{
switch (aTSFColor.type) {
case TF_CT_SYSCOLOR: {
DWORD sysColor = ::GetSysColor(aTSFColor.nIndex);
aResult = NS_RGB(GetRValue(sysColor), GetGValue(sysColor),
GetBValue(sysColor));
return true;
}
case TF_CT_COLORREF:
aResult = NS_RGB(GetRValue(aTSFColor.cr), GetGValue(aTSFColor.cr),
GetBValue(aTSFColor.cr));
return true;
case TF_CT_NONE:
default:
return false;
}
}
static bool
GetLineStyle(TF_DA_LINESTYLE aTSFLineStyle, uint8_t& aTextRangeLineStyle)
{
switch (aTSFLineStyle) {
case TF_LS_NONE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_NONE;
return true;
case TF_LS_SOLID:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_SOLID;
return true;
case TF_LS_DOT:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DOTTED;
return true;
case TF_LS_DASH:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DASHED;
return true;
case TF_LS_SQUIGGLE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_WAVY;
return true;
default:
return false;
}
}
HRESULT
TSFTextStore::RecordCompositionUpdateAction()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RecordCompositionUpdateAction(), "
"mComposition={ mView=0x%p, mStart=%d, mString=\"%s\" "
"(Length()=%d) }",
this, mComposition.mView.get(), mComposition.mStart,
GetEscapedUTF8String(mComposition.mString).get(),
mComposition.mString.Length()));
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to no composition view", this));
return E_FAIL;
}
// Getting display attributes is *really* complicated!
// We first get the context and the property objects to query for
// attributes, but since a big range can have a variety of values for
// the attribute, we have to find out all the ranges that have distinct
// attribute values. Then we query for what the value represents through
// the display attribute manager and translate that to TextRange to be
// sent in eCompositionChange
RefPtr<ITfProperty> attrPropetry;
HRESULT hr = mContext->GetProperty(GUID_PROP_ATTRIBUTE,
getter_AddRefs(attrPropetry));
if (FAILED(hr) || !attrPropetry) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to mContext->GetProperty() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
RefPtr<ITfRange> composingRange;
hr = mComposition.mView->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() "
"FAILED due to mComposition.mView->GetRange() failure", this));
return hr;
}
RefPtr<IEnumTfRanges> enumRanges;
hr = attrPropetry->EnumRanges(TfEditCookie(mEditCookie),
getter_AddRefs(enumRanges), composingRange);
if (FAILED(hr) || !enumRanges) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to attrPropetry->EnumRanges() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
// First, put the log of content and selection here.
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to SelectionForTSFRef() failure", this));
return E_FAIL;
}
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mData = mComposition.mString;
// The ranges might already have been initialized, however, if this is
// called again, that means we need to overwrite the ranges with current
// information.
action->mRanges->Clear();
// Note that we shouldn't append ranges when composition string
// is empty because it may cause TextComposition confused.
if (!action->mData.IsEmpty()) {
TextRange newRange;
// No matter if we have display attribute info or not,
// we always pass in at least one range to eCompositionChange
newRange.mStartOffset = 0;
newRange.mEndOffset = action->mData.Length();
newRange.mRangeType = TextRangeType::eRawClause;
action->mRanges->AppendElement(newRange);
RefPtr<ITfRange> range;
while (enumRanges->Next(1, getter_AddRefs(range), nullptr) == S_OK) {
if (NS_WARN_IF(!range)) {
break;
}
LONG rangeStart = 0, rangeLength = 0;
if (FAILED(GetRangeExtent(range, &rangeStart, &rangeLength))) {
continue;
}
// The range may include out of composition string. We should ignore
// outside of the composition string.
LONG start = std::min(std::max(rangeStart, mComposition.mStart),
mComposition.EndOffset());
LONG end = std::max(std::min(rangeStart + rangeLength,
mComposition.EndOffset()),
mComposition.mStart);
LONG length = end - start;
if (length < 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionUpdateAction() "
"ignores invalid range (%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
if (!length) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RecordCompositionUpdateAction() "
"ignores a range due to outside of the composition or empty "
"(%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
TextRange newRange;
newRange.mStartOffset = uint32_t(start - mComposition.mStart);
// The end of the last range in the array is
// always kept at the end of composition
newRange.mEndOffset = mComposition.mString.Length();
TF_DISPLAYATTRIBUTE attr;
hr = GetDisplayAttribute(attrPropetry, range, &attr);
if (FAILED(hr)) {
newRange.mRangeType = TextRangeType::eRawClause;
} else {
newRange.mRangeType = GetGeckoSelectionValue(attr);
if (GetColor(attr.crText, newRange.mRangeStyle.mForegroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_FOREGROUND_COLOR;
}
if (GetColor(attr.crBk, newRange.mRangeStyle.mBackgroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_BACKGROUND_COLOR;
}
if (GetColor(attr.crLine, newRange.mRangeStyle.mUnderlineColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_UNDERLINE_COLOR;
}
if (GetLineStyle(attr.lsStyle, newRange.mRangeStyle.mLineStyle)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_LINESTYLE;
newRange.mRangeStyle.mIsBoldLine = attr.fBoldLine != 0;
}
}
TextRange& lastRange = action->mRanges->LastElement();
if (lastRange.mStartOffset == newRange.mStartOffset) {
// Replace range if last range is the same as this one
// So that ranges don't overlap and confuse the editor
lastRange = newRange;
} else {
lastRange.mEndOffset = newRange.mStartOffset;
action->mRanges->AppendElement(newRange);
}
}
// We need to hack for Korean Input System which is Korean standard TIP.
// It sets no change style to IME selection (the selection is always only
// one). So, the composition string looks like normal (or committed)
// string. At this time, current selection range is same as the
// composition string range. Other applications set a wide caret which
// covers the composition string, however, Gecko doesn't support the wide
// caret drawing now (Gecko doesn't support XOR drawing), unfortunately.
// For now, we should change the range style to undefined.
if (!selectionForTSF.IsCollapsed() && action->mRanges->Length() == 1) {
TextRange& range = action->mRanges->ElementAt(0);
LONG start = selectionForTSF.MinOffset();
LONG end = selectionForTSF.MaxOffset();
if ((LONG)range.mStartOffset == start - mComposition.mStart &&
(LONG)range.mEndOffset == end - mComposition.mStart &&
range.mRangeStyle.IsNoChangeStyle()) {
range.mRangeStyle.Clear();
// The looks of selected type is better than others.
range.mRangeType = TextRangeType::eSelectedRawClause;
}
}
// The caret position has to be collapsed.
uint32_t caretPosition =
static_cast<uint32_t>(selectionForTSF.MaxOffset() - mComposition.mStart);
// If caret is in the target clause and it doesn't have specific style,
// the target clause will be painted as normal selection range. Since
// caret shouldn't be in selection range on Windows, we shouldn't append
// caret range in such case.
const TextRange* targetClause = action->mRanges->GetTargetClause();
if (!targetClause || targetClause->mRangeStyle.IsDefined() ||
caretPosition < targetClause->mStartOffset ||
caretPosition > targetClause->mEndOffset) {
TextRange caretRange;
caretRange.mStartOffset = caretRange.mEndOffset = caretPosition;
caretRange.mRangeType = TextRangeType::eCaret;
action->mRanges->AppendElement(caretRange);
}
}
action->mIncomplete = false;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RecordCompositionUpdateAction() "
"succeeded", this));
return S_OK;
}
HRESULT
TSFTextStore::SetSelectionInternal(const TS_SELECTION_ACP* pSelection,
bool aDispatchCompositionChangeEvent)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::SetSelectionInternal(pSelection={ "
"acpStart=%ld, acpEnd=%ld, style={ ase=%s, fInterimChar=%s} }, "
"aDispatchCompositionChangeEvent=%s), mComposition.IsComposing()=%s",
this, pSelection->acpStart, pSelection->acpEnd,
GetActiveSelEndName(pSelection->style.ase),
GetBoolName(pSelection->style.fInterimChar),
GetBoolName(aDispatchCompositionChangeEvent),
GetBoolName(mComposition.IsComposing())));
MOZ_ASSERT(IsReadWriteLocked());
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"SelectionForTSFRef() failure", this));
return E_FAIL;
}
// If actually the range is not changing, we should do nothing.
// Perhaps, we can ignore the difference change because it must not be
// important for following edit.
if (selectionForTSF.EqualsExceptDirection(*pSelection)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() Succeeded but "
"did nothing because the selection range isn't changing", this));
selectionForTSF.SetSelection(*pSelection);
return S_OK;
}
if (mComposition.IsComposing()) {
if (aDispatchCompositionChangeEvent) {
HRESULT hr = RestartCompositionIfNecessary();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
}
if (pSelection->acpStart < mComposition.mStart ||
pSelection->acpEnd > mComposition.EndOffset()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"the selection being out of the composition string", this));
return TS_E_INVALIDPOS;
}
// Emulate selection during compositions
selectionForTSF.SetSelection(*pSelection);
if (aDispatchCompositionChangeEvent) {
HRESULT hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
}
return S_OK;
}
TS_SELECTION_ACP selectionInContent(*pSelection);
// If mContentForTSF caches old contents which is now different from
// actual contents, we need some complicated hack here...
// Note that this hack assumes that this is used for reconversion.
if (mContentForTSF.IsInitialized() &&
mPendingTextChangeData.IsValid() &&
!mPendingTextChangeData.mCausedOnlyByComposition) {
uint32_t startOffset = static_cast<uint32_t>(selectionInContent.acpStart);
uint32_t endOffset = static_cast<uint32_t>(selectionInContent.acpEnd);
if (mPendingTextChangeData.mStartOffset >= endOffset) {
// Setting selection before any changed ranges is fine.
} else if (mPendingTextChangeData.mRemovedEndOffset <= startOffset) {
// Setting selection after removed range is fine with following
// adjustment.
selectionInContent.acpStart += mPendingTextChangeData.Difference();
selectionInContent.acpEnd += mPendingTextChangeData.Difference();
} else if (startOffset == endOffset) {
// Moving caret position may be fine in most cases even if the insertion
// point has already gone but in this case, composition will be inserted
// to unexpected position, though.
// It seems that moving caret into middle of the new text is odd.
// Perhaps, end of it is expected by users in most cases.
selectionInContent.acpStart = mPendingTextChangeData.mAddedEndOffset;
selectionInContent.acpEnd = selectionInContent.acpStart;
} else {
// Otherwise, i.e., setting range has already gone, we cannot set
// selection properly.
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"there is unknown content change", this));
return E_FAIL;
}
}
CompleteLastActionIfStillIncomplete();
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::SET_SELECTION;
action->mSelectionStart = selectionInContent.acpStart;
action->mSelectionLength =
selectionInContent.acpEnd - selectionInContent.acpStart;
action->mSelectionReversed = (selectionInContent.style.ase == TS_AE_START);
// Use TSF specified selection for updating mSelectionForTSF.
selectionForTSF.SetSelection(*pSelection);
return S_OK;
}
STDMETHODIMP
TSFTextStore::SetSelection(ULONG ulCount,
const TS_SELECTION_ACP* pSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::SetSelection(ulCount=%lu, pSelection=%p { "
"acpStart=%ld, acpEnd=%ld, style={ ase=%s, fInterimChar=%s } }), "
"mComposition.IsComposing()=%s",
this, ulCount, pSelection,
pSelection ? pSelection->acpStart : 0,
pSelection ? pSelection->acpEnd : 0,
pSelection ? GetActiveSelEndName(pSelection->style.ase) : "",
pSelection ? GetBoolName(pSelection->style.fInterimChar) : "",
GetBoolName(mComposition.IsComposing())));
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (ulCount != 1) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelection() FAILED due to "
"trying setting multiple selection", this));
return E_INVALIDARG;
}
if (!pSelection) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
HRESULT hr = SetSelectionInternal(pSelection, true);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetSelection() FAILED due to "
"SetSelectionInternal() failure", this));
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::SetSelection() succeeded", this));
}
return hr;
}
STDMETHODIMP
TSFTextStore::GetText(LONG acpStart,
LONG acpEnd,
WCHAR* pchPlain,
ULONG cchPlainReq,
ULONG* pcchPlainOut,
TS_RUNINFO* prgRunInfo,
ULONG ulRunInfoReq,
ULONG* pulRunInfoOut,
LONG* pacpNext)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetText(acpStart=%ld, acpEnd=%ld, pchPlain=0x%p, "
"cchPlainReq=%lu, pcchPlainOut=0x%p, prgRunInfo=0x%p, ulRunInfoReq=%lu, "
"pulRunInfoOut=0x%p, pacpNext=0x%p), mComposition={ mStart=%ld, "
"mString.Length()=%lu, IsComposing()=%s }",
this, acpStart, acpEnd, pchPlain, cchPlainReq, pcchPlainOut,
prgRunInfo, ulRunInfoReq, pulRunInfoOut, pacpNext,
mComposition.mStart, mComposition.mString.Length(),
GetBoolName(mComposition.IsComposing())));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pcchPlainOut || (!pchPlain && !prgRunInfo) ||
!cchPlainReq != !pchPlain || !ulRunInfoReq != !prgRunInfo) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"invalid argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < -1 || (acpEnd != -1 && acpStart > acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
// Making sure to null-terminate string just to be on the safe side
*pcchPlainOut = 0;
if (pchPlain && cchPlainReq) *pchPlain = 0;
if (pulRunInfoOut) *pulRunInfoOut = 0;
if (pacpNext) *pacpNext = acpStart;
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = 0;
prgRunInfo->type = TS_RT_PLAIN;
}
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"ContentForTSFRef() failure", this));
return E_FAIL;
}
if (contentForTSF.Text().Length() < static_cast<uint32_t>(acpStart)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"acpStart is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
if (acpEnd != -1 &&
contentForTSF.Text().Length() < static_cast<uint32_t>(acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetText() FAILED due to "
"acpEnd is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
uint32_t length = (acpEnd == -1) ?
contentForTSF.Text().Length() - static_cast<uint32_t>(acpStart) :
static_cast<uint32_t>(acpEnd - acpStart);
if (cchPlainReq && cchPlainReq - 1 < length) {
length = cchPlainReq - 1;
}
if (length) {
if (pchPlain && cchPlainReq) {
const char16_t* startChar =
contentForTSF.Text().BeginReading() + acpStart;
memcpy(pchPlain, startChar, length * sizeof(*pchPlain));
pchPlain[length] = 0;
*pcchPlainOut = length;
}
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = length;
prgRunInfo->type = TS_RT_PLAIN;
if (pulRunInfoOut) *pulRunInfoOut = 1;
}
if (pacpNext) *pacpNext = acpStart + length;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetText() succeeded: pcchPlainOut=0x%p, "
"*prgRunInfo={ uCount=%lu, type=%s }, *pulRunInfoOut=%lu, "
"*pacpNext=%ld)",
this, pcchPlainOut, prgRunInfo ? prgRunInfo->uCount : 0,
prgRunInfo ? GetTextRunTypeName(prgRunInfo->type) : "N/A",
pulRunInfoOut ? *pulRunInfoOut : 0, pacpNext ? *pacpNext : 0));
return S_OK;
}
STDMETHODIMP
TSFTextStore::SetText(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
const WCHAR* pchText,
ULONG cch,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::SetText(dwFlags=%s, acpStart=%ld, "
"acpEnd=%ld, pchText=0x%p \"%s\", cch=%lu, pChange=0x%p), "
"mComposition.IsComposing()=%s",
this, dwFlags == TS_ST_CORRECTION ? "TS_ST_CORRECTION" :
"not-specified",
acpStart, acpEnd, pchText,
pchText && cch ?
GetEscapedUTF8String(pchText, cch).get() : "",
cch, pChange, GetBoolName(mComposition.IsComposing())));
// Per SDK documentation, and since we don't have better
// ways to do this, this method acts as a helper to
// call SetSelection followed by InsertTextAtSelection
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
TS_SELECTION_ACP selection;
selection.acpStart = acpStart;
selection.acpEnd = acpEnd;
selection.style.ase = TS_AE_END;
selection.style.fInterimChar = 0;
// Set selection to desired range
HRESULT hr = SetSelectionInternal(&selection);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetText() FAILED due to "
"SetSelectionInternal() failure", this));
return hr;
}
// Replace just selected text
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::SetText() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::SetText() succeeded: pChange={ "
"acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, pChange ? pChange->acpStart : 0,
pChange ? pChange->acpOldEnd : 0, pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetFormattedText(LONG acpStart,
LONG acpEnd,
IDataObject** ppDataObject)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetFormattedText() called "
"but not supported (E_NOTIMPL)", this));
// no support for formatted text
return E_NOTIMPL;
}
STDMETHODIMP
TSFTextStore::GetEmbedded(LONG acpPos,
REFGUID rguidService,
REFIID riid,
IUnknown** ppunk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
STDMETHODIMP
TSFTextStore::QueryInsertEmbedded(const GUID* pguidService,
const FORMATETC* pFormatEtc,
BOOL* pfInsertable)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::QueryInsertEmbedded() called "
"but not supported, *pfInsertable=FALSE (S_OK)", this));
// embedded objects are not supported
*pfInsertable = FALSE;
return S_OK;
}
STDMETHODIMP
TSFTextStore::InsertEmbedded(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
IDataObject* pDataObject,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::InsertEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
void
TSFTextStore::SetInputScope(const nsString& aHTMLInputType,
const nsString& aHTMLInputInputMode)
{
mInputScopes.Clear();
if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
if (aHTMLInputInputMode.EqualsLiteral("url")) {
mInputScopes.AppendElement(IS_URL);
} else if (aHTMLInputInputMode.EqualsLiteral("mozAwesomebar")) {
// Even if Awesomebar has focus, user may not input URL directly.
// However, on-screen keyboard for URL should be shown because it has
// some useful additional keys like ".com" and they are not hindrances
// even when inputting non-URL text, e.g., words to search something in
// the web. On the other hand, MS-IME for Japanese and Google Japanese
// Input make their open state "closed" automatically if we notify them
// of URL as the input scope. However, this is very annoying for the
// users when they try to input some words to search the web or
// bookmark/history items. Therefore, if they are active, we need to
// notify them of the default input scope for avoiding this issue.
// FYI: Google Japanese Input may be an IMM-IME. If it's installed on
// Win7, it's always IMM-IME. Otherwise, basically, it's a TIP.
// However, if it's installed on Win7 and has not been updated yet
// after the OS is upgraded to Win8 or later, it's still an IMM-IME.
// Therefore, we also need to check with IMMHandler here.
if (TSFStaticSink::IsMSJapaneseIMEActive() ||
TSFStaticSink::IsGoogleJapaneseInputActive() ||
IMMHandler::IsGoogleJapaneseInputActive()) {
return;
}
// Don't append IS_SEARCH here for showing on-screen keyboard for URL.
mInputScopes.AppendElement(IS_URL);
} else if (aHTMLInputInputMode.EqualsLiteral("email")) {
mInputScopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
} else if (aHTMLInputType.EqualsLiteral("tel")) {
mInputScopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
mInputScopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
} else if (aHTMLInputType.EqualsLiteral("numeric")) {
mInputScopes.AppendElement(IS_NUMBER);
}
return;
}
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html
if (aHTMLInputType.EqualsLiteral("url")) {
mInputScopes.AppendElement(IS_URL);
} else if (aHTMLInputType.EqualsLiteral("search")) {
mInputScopes.AppendElement(IS_SEARCH);
} else if (aHTMLInputType.EqualsLiteral("email")) {
mInputScopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
} else if (aHTMLInputType.EqualsLiteral("password")) {
mInputScopes.AppendElement(IS_PASSWORD);
} else if (aHTMLInputType.EqualsLiteral("datetime") ||
aHTMLInputType.EqualsLiteral("datetime-local")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("date") ||
aHTMLInputType.EqualsLiteral("month") ||
aHTMLInputType.EqualsLiteral("week")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
} else if (aHTMLInputType.EqualsLiteral("time")) {
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("tel")) {
mInputScopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
mInputScopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
} else if (aHTMLInputType.EqualsLiteral("number")) {
mInputScopes.AppendElement(IS_NUMBER);
}
}
int32_t
TSFTextStore::GetRequestedAttrIndex(const TS_ATTRID& aAttrID)
{
if (IsEqualGUID(aAttrID, GUID_PROP_INPUTSCOPE)) {
return eInputScope;
}
if (IsEqualGUID(aAttrID, TSATTRID_Text_VerticalWriting)) {
return eTextVerticalWriting;
}
if (IsEqualGUID(aAttrID, TSATTRID_Text_Orientation)) {
return eTextOrientation;
}
return eNotSupported;
}
TS_ATTRID
TSFTextStore::GetAttrID(int32_t aIndex)
{
switch (aIndex) {
case eInputScope:
return GUID_PROP_INPUTSCOPE;
case eTextVerticalWriting:
return TSATTRID_Text_VerticalWriting;
case eTextOrientation:
return TSATTRID_Text_Orientation;
default:
MOZ_CRASH("Invalid index? Or not implemented yet?");
return GUID_NULL;
}
}
HRESULT
TSFTextStore::HandleRequestAttrs(DWORD aFlags,
ULONG aFilterCount,
const TS_ATTRID* aFilterAttrs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::HandleRequestAttrs(aFlags=%s, "
"aFilterCount=%u)",
this, GetFindFlagName(aFlags).get(), aFilterCount));
// This is a little weird! RequestSupportedAttrs gives us advanced notice
// of a support query via RetrieveRequestedAttrs for a specific attribute.
// RetrieveRequestedAttrs needs to return valid data for all attributes we
// support, but the text service will only want the input scope object
// returned in RetrieveRequestedAttrs if the dwFlags passed in here contains
// TS_ATTR_FIND_WANT_VALUE.
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
mRequestedAttrs[i] = false;
}
mRequestedAttrValues = !!(aFlags & TS_ATTR_FIND_WANT_VALUE);
for (uint32_t i = 0; i < aFilterCount; i++) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::HandleRequestAttrs(), "
"requested attr=%s",
this, GetGUIDNameStrWithTable(aFilterAttrs[i]).get()));
int32_t index = GetRequestedAttrIndex(aFilterAttrs[i]);
if (index != eNotSupported) {
mRequestedAttrs[index] = true;
}
}
return S_OK;
}
STDMETHODIMP
TSFTextStore::RequestSupportedAttrs(DWORD dwFlags,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestSupportedAttrs(dwFlags=%s, "
"cFilterAttrs=%lu)",
this, GetFindFlagName(dwFlags).get(), cFilterAttrs));
return HandleRequestAttrs(dwFlags, cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
TSFTextStore::RequestAttrsAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs,
DWORD dwFlags)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestAttrsAtPosition(acpPos=%ld, "
"cFilterAttrs=%lu, dwFlags=%s)",
this, acpPos, cFilterAttrs, GetFindFlagName(dwFlags).get()));
return HandleRequestAttrs(dwFlags | TS_ATTR_FIND_WANT_VALUE,
cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
TSFTextStore::RequestAttrsTransitioningAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttr,
DWORD dwFlags)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RequestAttrsTransitioningAtPosition("
"acpPos=%ld, cFilterAttrs=%lu, dwFlags=%s) called but not supported "
"(S_OK)",
this, acpPos, cFilterAttrs, GetFindFlagName(dwFlags).get()));
// no per character attributes defined
return S_OK;
}
STDMETHODIMP
TSFTextStore::FindNextAttrTransition(LONG acpStart,
LONG acpHalt,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs,
DWORD dwFlags,
LONG* pacpNext,
BOOL* pfFound,
LONG* plFoundOffset)
{
if (!pacpNext || !pfFound || !plFoundOffset) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" 0x%p TSFTextStore::FindNextAttrTransition() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::FindNextAttrTransition() called "
"but not supported (S_OK)", this));
// no per character attributes defined
*pacpNext = *plFoundOffset = acpHalt;
*pfFound = FALSE;
return S_OK;
}
STDMETHODIMP
TSFTextStore::RetrieveRequestedAttrs(ULONG ulCount,
TS_ATTRVAL* paAttrVals,
ULONG* pcFetched)
{
if (!pcFetched || !paAttrVals) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RetrieveRequestedAttrs() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
ULONG expectedCount = 0;
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
if (mRequestedAttrs[i]) {
expectedCount++;
}
}
if (ulCount < expectedCount) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RetrieveRequestedAttrs() FAILED due to "
"not enough count ulCount=%u, expectedCount=%u",
this, ulCount, expectedCount));
return E_INVALIDARG;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RetrieveRequestedAttrs() called "
"ulCount=%d, mRequestedAttrValues=%s",
this, ulCount, GetBoolName(mRequestedAttrValues)));
int32_t count = 0;
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
if (!mRequestedAttrs[i]) {
continue;
}
mRequestedAttrs[i] = false;
TS_ATTRID attrID = GetAttrID(i);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RetrieveRequestedAttrs() for %s",
this, GetGUIDNameStrWithTable(attrID).get()));
paAttrVals[count].idAttr = attrID;
paAttrVals[count].dwOverlapId = 0;
if (!mRequestedAttrValues) {
paAttrVals[count].varValue.vt = VT_EMPTY;
} else {
switch (i) {
case eInputScope: {
paAttrVals[count].varValue.vt = VT_UNKNOWN;
RefPtr<IUnknown> inputScope = new InputScopeImpl(mInputScopes);
paAttrVals[count].varValue.punkVal = inputScope.forget().take();
break;
}
case eTextVerticalWriting: {
Selection& selectionForTSF = SelectionForTSFRef();
paAttrVals[count].varValue.vt = VT_BOOL;
paAttrVals[count].varValue.boolVal =
selectionForTSF.GetWritingMode().IsVertical() ? VARIANT_TRUE :
VARIANT_FALSE;
break;
}
case eTextOrientation: {
Selection& selectionForTSF = SelectionForTSFRef();
paAttrVals[count].varValue.vt = VT_I4;
paAttrVals[count].varValue.lVal =
selectionForTSF.GetWritingMode().IsVertical() ? 2700 : 0;
break;
}
default:
MOZ_CRASH("Invalid index? Or not implemented yet?");
break;
}
}
count++;
}
mRequestedAttrValues = false;
if (count) {
*pcFetched = count;
return S_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RetrieveRequestedAttrs() called "
"for unknown TS_ATTRVAL, *pcFetched=0 (S_OK)", this));
paAttrVals->dwOverlapId = 0;
paAttrVals->varValue.vt = VT_EMPTY;
*pcFetched = 0;
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetEndACP(LONG* pacp)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetEndACP(pacp=0x%p)", this, pacp));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetEndACP() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacp) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetEndACP() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetEndACP() FAILED due to "
"ContentForTSFRef() failure", this));
return E_FAIL;
}
*pacp = static_cast<LONG>(contentForTSF.Text().Length());
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetActiveView(TsViewCookie* pvcView)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetActiveView(pvcView=0x%p)",
this, pvcView));
if (!pvcView) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetActiveView() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pvcView = TEXTSTORE_DEFAULT_VIEW;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetActiveView() succeeded: *pvcView=%ld",
this, *pvcView));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetACPFromPoint(TsViewCookie vcView,
const POINT* pt,
DWORD dwFlags,
LONG* pacp)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetACPFromPoint(pvcView=%d, pt=%p (x=%d, "
"y=%d), dwFlags=%s, pacp=%p, mDeferNotifyingTSF=%s, "
"mWaitingQueryLayout=%s",
this, vcView, pt, pt ? pt->x : 0, pt ? pt->y : 0,
GetACPFromPointFlagName(dwFlags).get(), pacp,
GetBoolName(mDeferNotifyingTSF), GetBoolName(mWaitingQueryLayout)));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!pt) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"null pt", this));
return E_INVALIDARG;
}
if (!pacp) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"null pacp", this));
return E_INVALIDARG;
}
mWaitingQueryLayout = false;
if (mDestroyed || mContentForTSF.IsLayoutChanged()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() returned "
"TS_E_NOLAYOUT", this));
mHasReturnedNoLayoutError = true;
return TS_E_NOLAYOUT;
}
LayoutDeviceIntPoint ourPt(pt->x, pt->y);
// Convert to widget relative coordinates from screen's.
ourPt -= mWidget->WidgetToScreenOffset();
// NOTE: Don't check if the point is in the widget since the point can be
// outside of the widget if focused editor is in a XUL <panel>.
WidgetQueryContentEvent charAtPt(true, eQueryCharacterAtPoint, mWidget);
mWidget->InitEvent(charAtPt, &ourPt);
// FYI: WidgetQueryContentEvent may cause flushing pending layout and it
// may cause focus change or something.
RefPtr<TSFTextStore> kungFuDeathGrip(this);
DispatchEvent(charAtPt);
if (!mWidget || mWidget->Destroyed()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"mWidget was destroyed during eQueryCharacterAtPoint", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetACPFromPoint(), charAtPt={ "
"mSucceeded=%s, mReply={ mOffset=%u, mTentativeCaretOffset=%u }}",
this, GetBoolName(charAtPt.mSucceeded), charAtPt.mReply.mOffset,
charAtPt.mReply.mTentativeCaretOffset));
if (NS_WARN_IF(!charAtPt.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"eQueryCharacterAtPoint failure", this));
return E_FAIL;
}
// If dwFlags isn't set and the point isn't in any character's bounding box,
// we should return TS_E_INVALIDPOINT.
if (!(dwFlags & GXFPF_NEAREST) &&
charAtPt.mReply.mOffset == WidgetQueryContentEvent::NOT_FOUND) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to the "
"point contained by no bounding box", this));
return TS_E_INVALIDPOINT;
}
// Although, we're not sure if mTentativeCaretOffset becomes NOT_FOUND,
// let's assume that there is no content in such case.
if (NS_WARN_IF(charAtPt.mReply.mTentativeCaretOffset ==
WidgetQueryContentEvent::NOT_FOUND)) {
charAtPt.mReply.mTentativeCaretOffset = 0;
}
uint32_t offset;
// If dwFlags includes GXFPF_ROUND_NEAREST, we should return tentative
// caret offset (MSDN calls it "range position").
if (dwFlags & GXFPF_ROUND_NEAREST) {
offset = charAtPt.mReply.mTentativeCaretOffset;
} else if (charAtPt.mReply.mOffset != WidgetQueryContentEvent::NOT_FOUND) {
// Otherwise, we should return character offset whose bounding box contains
// the point.
offset = charAtPt.mReply.mOffset;
} else {
// If the point isn't in any character's bounding box but we need to return
// the nearest character from the point, we should *guess* the character
// offset since there is no inexpensive API to check it strictly.
// XXX If we retrieve 2 bounding boxes, one is before the offset and
// the other is after the offset, we could resolve the offset.
// However, dispatching 2 eQueryTextRect may be expensive.
// So, use tentative offset for now.
offset = charAtPt.mReply.mTentativeCaretOffset;
// However, if it's after the last character, we need to decrement the
// offset.
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"ContentForTSFRef() failure", this));
return E_FAIL;
}
if (contentForTSF.Text().Length() <= offset) {
// If the tentative caret is after the last character, let's return
// the last character's offset.
offset = contentForTSF.Text().Length() - 1;
}
}
if (NS_WARN_IF(offset > LONG_MAX)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetACPFromPoint() FAILED due to out of "
"range of the result", this));
return TS_E_INVALIDPOINT;
}
*pacp = static_cast<LONG>(offset);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetACPFromPoint() succeeded: *pacp=%d",
this, *pacp));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetTextExt(TsViewCookie vcView,
LONG acpStart,
LONG acpEnd,
RECT* prc,
BOOL* pfClipped)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetTextExt(vcView=%ld, "
"acpStart=%ld, acpEnd=%ld, prc=0x%p, pfClipped=0x%p), "
"mDeferNotifyingTSF=%s, mWaitingQueryLayout=%s",
this, vcView, acpStart, acpEnd, prc, pfClipped,
GetBoolName(mDeferNotifyingTSF), GetBoolName(mWaitingQueryLayout)));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc || !pfClipped) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < acpStart) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
mWaitingQueryLayout = false;
// NOTE: TSF (at least on Win 8.1) doesn't return TS_E_NOLAYOUT to the
// caller even if we return it. It's converted to just E_FAIL.
// However, this is fixed on Win 10.
bool dontReturnNoLayoutError = false;
if (mComposition.IsComposing() && mComposition.mStart < acpEnd &&
mContentForTSF.IsLayoutChangedAt(acpEnd)) {
const Selection& selectionForTSF = SelectionForTSFRef();
// The bug of Microsoft Office IME 2010 for Japanese is similar to
// MS-IME for Win 8.1 and Win 10. Newer version of MS Office IME is not
// released yet. So, we can hack it without prefs because there must be
// no developers who want to disable this hack for tests.
const bool kIsMSOfficeJapaneseIME2010 =
TSFStaticSink::IsMSOfficeJapaneseIME2010Active();
// MS IME for Japanese doesn't support asynchronous handling at deciding
// its suggest list window position. The feature was implemented
// starting from Windows 8. And also we may meet same trouble in e10s
// mode on Win7. So, we should never return TS_E_NOLAYOUT to MS IME for
// Japanese.
if (kIsMSOfficeJapaneseIME2010 ||
((TSFPrefs::DoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar() ||
TSFPrefs::DoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret()) &&
TSFStaticSink::IsMSJapaneseIMEActive())) {
// Basically, MS-IME tries to retrieve whole composition string rect
// at deciding suggest window immediately after unlocking the document.
// However, in e10s mode, the content hasn't updated yet in most cases.
// Therefore, if the first character at the retrieving range rect is
// available, we should use it as the result.
if ((kIsMSOfficeJapaneseIME2010 ||
TSFPrefs::DoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar()) &&
acpStart < acpEnd) {
acpEnd = acpStart;
dontReturnNoLayoutError = true;
}
// Although, the condition is not clear, MS-IME sometimes retrieves the
// caret rect immediately after modifying the composition string but
// before unlocking the document. In such case, we should return the
// nearest character rect.
else if ((kIsMSOfficeJapaneseIME2010 ||
TSFPrefs::DoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret()) &&
acpStart == acpEnd &&
selectionForTSF.IsCollapsed() &&
selectionForTSF.EndOffset() == acpEnd) {
if (mContentForTSF.MinOffsetOfLayoutChanged() > LONG_MAX) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt(), FAILED due to the text "
"is too big for TSF (cannot treat modified offset as LONG), "
"mContentForTSF.MinOffsetOfLayoutChanged()=%u",
this, mContentForTSF.MinOffsetOfLayoutChanged()));
return E_FAIL;
}
int32_t minOffsetOfLayoutChanged =
static_cast<int32_t>(mContentForTSF.MinOffsetOfLayoutChanged());
acpEnd = acpStart = std::max(minOffsetOfLayoutChanged - 1, 0);
dontReturnNoLayoutError = true;
}
}
// ATOK fails to handle TS_E_NOLAYOUT only when it decides the position of
// suggest window. In such case, ATOK tries to query rect of whole
// composition string.
// XXX For testing with legacy ATOK, we should hack it even if current ATOK
// refers native caret rect on windows whose window class is one of
// Mozilla window classes and we stop creating native caret for ATOK
// because creating native caret causes ATOK refers caret position
// when GetTextExt() returns TS_E_NOLAYOUT.
else if (TSFPrefs::DoNotReturnNoLayoutErrorToATOKOfCompositionString() &&
TSFStaticSink::IsATOKActive() &&
(!TSFStaticSink::IsATOKReferringNativeCaretActive() ||
!TSFPrefs::NeedToCreateNativeCaretForLegacyATOK()) &&
mComposition.mStart == acpStart &&
mComposition.EndOffset() == acpEnd) {
dontReturnNoLayoutError = true;
}
// Free ChangJie 2010 doesn't handle ITfContextView::GetTextExt() properly.
// Prehaps, it's due to the bug of TSF. We need to check if this is
// necessary on Windows 10 before disabling this on Windows 10.
else if (TSFPrefs::DoNotReturnNoLayoutErrorToFreeChangJie() &&
TSFStaticSink::IsFreeChangJieActive()) {
acpEnd = mComposition.mStart;
acpStart = std::min(acpStart, acpEnd);
dontReturnNoLayoutError = true;
}
// Some Chinese TIPs of Microsoft doesn't show candidate window in e10s
// mode on Win8 or later.
else if (
IsWin8OrLater() &&
((TSFPrefs::DoNotReturnNoLayoutErrorToMSTraditionalTIP() &&
(TSFStaticSink::IsMSChangJieActive() ||
TSFStaticSink::IsMSQuickActive())) ||
(TSFPrefs::DoNotReturnNoLayoutErrorToMSSimplifiedTIP() &&
(TSFStaticSink::IsMSPinyinActive() ||
TSFStaticSink::IsMSWubiActive())))) {
acpEnd = mComposition.mStart;
acpStart = std::min(acpStart, acpEnd);
dontReturnNoLayoutError = true;
}
// If we hack the queried range for active TIP, that means we should not
// return TS_E_NOLAYOUT even if hacked offset is still modified. So, as
// far as possible, we should adjust the offset.
if (dontReturnNoLayoutError) {
MOZ_ASSERT(mContentForTSF.IsLayoutChanged());
if (mContentForTSF.MinOffsetOfLayoutChanged() > LONG_MAX) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt(), FAILED due to the text "
"is too big for TSF (cannot treat modified offset as LONG), "
"mContentForTSF.MinOffsetOfLayoutChanged()=%u",
this, mContentForTSF.MinOffsetOfLayoutChanged()));
return E_FAIL;
}
// Note that even if all characters in the editor or the composition
// string was modified, 0 or start offset of the composition string is
// useful because it may return caret rect or old character's rect which
// the user still see. That must be useful information for TIP.
int32_t firstModifiedOffset =
static_cast<int32_t>(mContentForTSF.MinOffsetOfLayoutChanged());
LONG lastUnmodifiedOffset = std::max(firstModifiedOffset - 1, 0);
if (mContentForTSF.IsLayoutChangedAt(acpStart)) {
// If TSF queries text rect in composition string, we should return
// rect at start of the composition even if its layout is changed.
if (acpStart >= mComposition.mStart) {
acpStart = mComposition.mStart;
}
// Otherwise, use first character's rect. Even if there is no
// characters, the query event will return caret rect instead.
else {
acpStart = lastUnmodifiedOffset;
}
MOZ_ASSERT(acpStart <= acpEnd);
}
if (mContentForTSF.IsLayoutChangedAt(acpEnd)) {
// Use max larger offset of last unmodified offset or acpStart which
// may be the first character offset of the composition string.
acpEnd = std::max(acpStart, lastUnmodifiedOffset);
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetTextExt() hacked the queried range "
"for not returning TS_E_NOLAYOUT, new values are: "
"acpStart=%d, acpEnd=%d", this, acpStart, acpEnd));
}
}
if (!dontReturnNoLayoutError && mContentForTSF.IsLayoutChangedAt(acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() returned TS_E_NOLAYOUT "
"(acpEnd=%d)", this, acpEnd));
mHasReturnedNoLayoutError = true;
return TS_E_NOLAYOUT;
}
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() returned TS_E_NOLAYOUT "
"(acpEnd=%d) because this has already been destroyed",
this, acpEnd));
mHasReturnedNoLayoutError = true;
return TS_E_NOLAYOUT;
}
// use eQueryTextRect to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, eQueryTextRect, mWidget);
mWidget->InitEvent(event);
WidgetQueryContentEvent::Options options;
int64_t startOffset = acpStart;
if (mComposition.IsComposing()) {
// If there is a composition, TSF must want character rects related to
// the composition. Therefore, we should use insertion point relative
// query because the composition might be at different position from
// the position where TSFTextStore believes it at.
options.mRelativeToInsertionPoint = true;
startOffset -= mComposition.mStart;
} else if (!CanAccessActualContentDirectly()) {
// If TSF/TIP cannot access actual content directly, there may be pending
// text and/or selection changes which have not been notified TSF yet.
// Therefore, we should use relative to insertion point query since
// TSF/TIP computes the offset from the cached selection.
options.mRelativeToInsertionPoint = true;
startOffset -= mSelectionForTSF.StartOffset();
}
// ContentEventHandler and ContentCache return actual caret rect when
// the queried range is collapsed and selection is collapsed at the
// queried range. Then, its height (in horizontal layout, width in vertical
// layout) may be different from actual font height of the line. In such
// case, users see "dancing" of candidate or suggest window of TIP.
// For preventing it, we should query text rect with at least 1 length.
uint32_t length = std::max(static_cast<int32_t>(acpEnd - acpStart), 1);
event.InitForQueryTextRect(startOffset, length, options);
DispatchEvent(event);
if (NS_WARN_IF(!event.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"eQueryTextRect failure", this));
return TS_E_INVALIDPOS; // but unexpected failure, maybe.
}
// IMEs don't like empty rects, fix here
if (event.mReply.mRect.width <= 0)
event.mReply.mRect.width = 1;
if (event.mReply.mRect.height <= 0)
event.mReply.mRect.height = 1;
// convert to unclipped screen rect
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ? event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"no top level window", this));
return E_FAIL;
}
event.mReply.mRect.MoveBy(refWindow->WidgetToScreenOffset());
// get bounding screen rect to test for clipping
if (!GetScreenExtInternal(*prc)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetTextExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
// clip text rect to bounding rect
RECT textRect;
::SetRect(&textRect, event.mReply.mRect.x, event.mReply.mRect.y,
event.mReply.mRect.XMost(), event.mReply.mRect.YMost());
if (!::IntersectRect(prc, prc, &textRect))
// Text is not visible
::SetRectEmpty(prc);
// not equal if text rect was clipped
*pfClipped = !::EqualRect(prc, &textRect);
// ATOK 2011 - 2016 refers native caret position and size on windows whose
// class name is one of Mozilla's windows for deciding candidate window
// position. Therefore, we need to create native caret only when ATOK 2011 -
// 2016 is active.
if (TSFPrefs::NeedToCreateNativeCaretForLegacyATOK() &&
TSFStaticSink::IsATOKReferringNativeCaretActive() &&
mComposition.IsComposing() &&
mComposition.mStart <= acpStart && mComposition.EndOffset() >= acpStart &&
mComposition.mStart <= acpEnd && mComposition.EndOffset() >= acpEnd) {
CreateNativeCaret();
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetTextExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }, *pfClipped=%s",
this, prc->left, prc->top, prc->right, prc->bottom,
GetBoolName(*pfClipped)));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetScreenExt(TsViewCookie vcView,
RECT* prc)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetScreenExt(vcView=%ld, prc=0x%p)",
this, vcView, prc));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExt() returns empty rect "
"due to already destroyed", this));
prc->left = prc->top = prc->right = prc->bottom = 0;
return S_OK;
}
if (!GetScreenExtInternal(*prc)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetScreenExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, prc->left, prc->top, prc->right, prc->bottom));
return S_OK;
}
bool
TSFTextStore::GetScreenExtInternal(RECT& aScreenExt)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetScreenExtInternal()", this));
MOZ_ASSERT(!mDestroyed);
// use NS_QUERY_EDITOR_RECT to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, eQueryEditorRect, mWidget);
mWidget->InitEvent(event);
DispatchEvent(event);
if (!event.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExtInternal() FAILED due to "
"eQueryEditorRect failure", this));
return false;
}
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ?
event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExtInternal() FAILED due to "
"no top level window", this));
return false;
}
LayoutDeviceIntRect boundRect = refWindow->GetClientBounds();
boundRect.MoveTo(0, 0);
// Clip frame rect to window rect
boundRect.IntersectRect(event.mReply.mRect, boundRect);
if (!boundRect.IsEmpty()) {
boundRect.MoveBy(refWindow->WidgetToScreenOffset());
::SetRect(&aScreenExt, boundRect.x, boundRect.y,
boundRect.XMost(), boundRect.YMost());
} else {
::SetRectEmpty(&aScreenExt);
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::GetScreenExtInternal() succeeded: "
"aScreenExt={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, aScreenExt.left, aScreenExt.top,
aScreenExt.right, aScreenExt.bottom));
return true;
}
STDMETHODIMP
TSFTextStore::GetWnd(TsViewCookie vcView,
HWND* phwnd)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetWnd(vcView=%ld, phwnd=0x%p), "
"mWidget=0x%p",
this, vcView, phwnd, mWidget.get()));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetWnd() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!phwnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*phwnd = mWidget ? mWidget->GetWindowHandle() : nullptr;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::GetWnd() succeeded: *phwnd=0x%p",
this, static_cast<void*>(*phwnd)));
return S_OK;
}
STDMETHODIMP
TSFTextStore::InsertTextAtSelection(DWORD dwFlags,
const WCHAR* pchText,
ULONG cch,
LONG* pacpStart,
LONG* pacpEnd,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::InsertTextAtSelection(dwFlags=%s, "
"pchText=0x%p \"%s\", cch=%lu, pacpStart=0x%p, pacpEnd=0x%p, "
"pChange=0x%p), IsComposing()=%s",
this, dwFlags == 0 ? "0" :
dwFlags == TF_IAS_NOQUERY ? "TF_IAS_NOQUERY" :
dwFlags == TF_IAS_QUERYONLY ? "TF_IAS_QUERYONLY" : "Unknown",
pchText,
pchText && cch ? GetEscapedUTF8String(pchText, cch).get() : "",
cch, pacpStart, pacpEnd, pChange,
GetBoolName(mComposition.IsComposing())));
if (cch && !pchText) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null pchText", this));
return E_INVALIDARG;
}
if (TS_IAS_QUERYONLY == dwFlags) {
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacpStart || !pacpEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
// Get selection first
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"SelectionForTSFRef() failure", this));
return E_FAIL;
}
// Simulate text insertion
*pacpStart = selectionForTSF.StartOffset();
*pacpEnd = selectionForTSF.EndOffset();
if (pChange) {
pChange->acpStart = selectionForTSF.StartOffset();
pChange->acpOldEnd = selectionForTSF.EndOffset();
pChange->acpNewEnd =
selectionForTSF.StartOffset() + static_cast<LONG>(cch);
}
} else {
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (!pChange) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null pChange", this));
return E_INVALIDARG;
}
if (TS_IAS_NOQUERY != dwFlags && (!pacpStart || !pacpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
if (TS_IAS_NOQUERY != dwFlags) {
*pacpStart = pChange->acpStart;
*pacpEnd = pChange->acpNewEnd;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::InsertTextAtSelection() succeeded: "
"*pacpStart=%ld, *pacpEnd=%ld, "
"*pChange={ acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld })",
this, pacpStart ? *pacpStart : 0, pacpEnd ? *pacpEnd : 0,
pChange ? pChange->acpStart: 0, pChange ? pChange->acpOldEnd : 0,
pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
bool
TSFTextStore::InsertTextAtSelectionInternal(const nsAString& aInsertStr,
TS_TEXTCHANGE* aTextChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::InsertTextAtSelectionInternal("
"aInsertStr=\"%s\", aTextChange=0x%p), IsComposing=%s",
this, GetEscapedUTF8String(aInsertStr).get(), aTextChange,
GetBoolName(mComposition.IsComposing())));
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::InsertTextAtSelectionInternal() failed "
"due to ContentForTSFRef() failure()", this));
return false;
}
TS_SELECTION_ACP oldSelection = contentForTSF.Selection().ACP();
if (!mComposition.IsComposing()) {
// Use a temporary composition to contain the text
PendingAction* compositionStart = mPendingActions.AppendElement();
compositionStart->mType = PendingAction::COMPOSITION_START;
compositionStart->mSelectionStart = oldSelection.acpStart;
compositionStart->mSelectionLength =
oldSelection.acpEnd - oldSelection.acpStart;
compositionStart->mAdjustSelection = false;
PendingAction* compositionEnd = mPendingActions.AppendElement();
compositionEnd->mType = PendingAction::COMPOSITION_END;
compositionEnd->mData = aInsertStr;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::InsertTextAtSelectionInternal() "
"appending pending compositionstart and compositionend... "
"PendingCompositionStart={ mSelectionStart=%d, "
"mSelectionLength=%d }, PendingCompositionEnd={ mData=\"%s\" "
"(Length()=%u) }",
this, compositionStart->mSelectionStart,
compositionStart->mSelectionLength,
GetEscapedUTF8String(compositionEnd->mData).get(),
compositionEnd->mData.Length()));
}
contentForTSF.ReplaceSelectedTextWith(aInsertStr);
if (aTextChange) {
aTextChange->acpStart = oldSelection.acpStart;
aTextChange->acpOldEnd = oldSelection.acpEnd;
aTextChange->acpNewEnd = contentForTSF.Selection().EndOffset();
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::InsertTextAtSelectionInternal() "
"succeeded: mWidget=0x%p, mWidget->Destroyed()=%s, aTextChange={ "
"acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, mWidget.get(),
GetBoolName(mWidget ? mWidget->Destroyed() : true),
aTextChange ? aTextChange->acpStart : 0,
aTextChange ? aTextChange->acpOldEnd : 0,
aTextChange ? aTextChange->acpNewEnd : 0));
return true;
}
STDMETHODIMP
TSFTextStore::InsertEmbeddedAtSelection(DWORD dwFlags,
IDataObject* pDataObject,
LONG* pacpStart,
LONG* pacpEnd,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::InsertEmbeddedAtSelection() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
HRESULT
TSFTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
ITfRange* aRange,
bool aPreserveSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RecordCompositionStartAction("
"aComposition=0x%p, aRange=0x%p, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, aComposition, aRange, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
LONG start = 0, length = 0;
HRESULT hr = GetRangeExtent(aRange, &start, &length);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
return RecordCompositionStartAction(aComposition, start, length,
aPreserveSelection);
}
HRESULT
TSFTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
ULONG aStart,
ULONG aLength,
bool aPreserveSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RecordCompositionStartAction("
"aComposition=0x%p, aStart=%d, aLength=%d, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, aComposition, aStart, aLength, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to ContentForTSFRef() failure", this));
return E_FAIL;
}
CompleteLastActionIfStillIncomplete();
// TIP may have inserted text at selection before calling
// OnStartComposition(). In this case, we've already created a pair of
// pending compositionstart and pending compositionend. If the pending
// compositionstart occurred same range as this composition, it was the
// start of this composition. In such case, we should cancel the pending
// compositionend and start composition normally.
if (!aPreserveSelection &&
WasTextInsertedWithoutCompositionAt(aStart, aLength)) {
const PendingAction& pendingCompositionEnd = mPendingActions.LastElement();
const PendingAction& pendingCompositionStart =
mPendingActions[mPendingActions.Length() - 2];
contentForTSF.RestoreCommittedComposition(
aComposition, pendingCompositionStart, pendingCompositionEnd);
mPendingActions.RemoveElementAt(mPendingActions.Length() - 1);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RecordCompositionStartAction() "
"succeeded: restoring the committed string as composing string, "
"mComposition={ mStart=%ld, mString.Length()=%ld, "
"mSelectionForTSF={ acpStart=%ld, acpEnd=%ld, style.ase=%s, "
"style.fInterimChar=%s } }",
this, mComposition.mStart, mComposition.mString.Length(),
mSelectionForTSF.StartOffset(), mSelectionForTSF.EndOffset(),
GetActiveSelEndName(mSelectionForTSF.ActiveSelEnd()),
GetBoolName(mSelectionForTSF.IsInterimChar())));
return S_OK;
}
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_START;
action->mSelectionStart = aStart;
action->mSelectionLength = aLength;
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to SelectionForTSFRef() failure", this));
action->mAdjustSelection = true;
} else if (selectionForTSF.MinOffset() != aStart ||
selectionForTSF.MaxOffset() != aStart + aLength) {
// If new composition range is different from current selection range,
// we need to set selection before dispatching compositionstart event.
action->mAdjustSelection = true;
} else {
// We shouldn't dispatch selection set event before dispatching
// compositionstart event because it may cause put caret different
// position in HTML editor since generated flat text content and offset in
// it are lossy data of HTML contents.
action->mAdjustSelection = false;
}
contentForTSF.StartComposition(aComposition, *action, aPreserveSelection);
action->mData = mComposition.mString;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RecordCompositionStartAction() succeeded: "
"mComposition={ mStart=%ld, mString.Length()=%ld, "
"mSelectionForTSF={ acpStart=%ld, acpEnd=%ld, style.ase=%s, "
"style.fInterimChar=%s } }",
this, mComposition.mStart, mComposition.mString.Length(),
mSelectionForTSF.StartOffset(), mSelectionForTSF.EndOffset(),
GetActiveSelEndName(mSelectionForTSF.ActiveSelEnd()),
GetBoolName(mSelectionForTSF.IsInterimChar())));
return S_OK;
}
HRESULT
TSFTextStore::RecordCompositionEndAction()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::RecordCompositionEndAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
GetEscapedUTF8String(mComposition.mString).get()));
MOZ_ASSERT(mComposition.IsComposing());
CompleteLastActionIfStillIncomplete();
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_END;
action->mData = mComposition.mString;
Content& contentForTSF = ContentForTSFRef();
if (!contentForTSF.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::RecordCompositionEndAction() FAILED due "
"to ContentForTSFRef() failure", this));
return E_FAIL;
}
contentForTSF.EndComposition(*action);
// If this composition was restart but the composition doesn't modify
// anything, we should remove the pending composition for preventing to
// dispatch redundant composition events.
for (size_t i = mPendingActions.Length(), j = 1; i > 0; --i, ++j) {
PendingAction& pendingAction = mPendingActions[i - 1];
if (pendingAction.mType == PendingAction::COMPOSITION_START) {
if (pendingAction.mData != action->mData) {
break;
}
// When only setting selection is necessary, we should append it.
if (pendingAction.mAdjustSelection) {
PendingAction* setSelection = mPendingActions.AppendElement();
setSelection->mType = PendingAction::SET_SELECTION;
setSelection->mSelectionStart = pendingAction.mSelectionStart;
setSelection->mSelectionLength = pendingAction.mSelectionLength;
setSelection->mSelectionReversed = false;
}
// Remove the redundant pending composition.
mPendingActions.RemoveElementsAt(i - 1, j);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RecordCompositionEndAction(), "
"succeeded, but the composition was canceled due to redundant",
this));
return S_OK;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::RecordCompositionEndAction(), succeeded",
this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnStartComposition(ITfCompositionView* pComposition,
BOOL* pfOk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnStartComposition(pComposition=0x%p, "
"pfOk=0x%p), mComposition.mView=0x%p",
this, pComposition, pfOk, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
*pfOk = FALSE;
// Only one composition at a time
if (mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnStartComposition() FAILED due to "
"there is another composition already (but returns S_OK)", this));
return S_OK;
}
RefPtr<ITfRange> range;
HRESULT hr = pComposition->GetRange(getter_AddRefs(range));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnStartComposition() FAILED due to "
"pComposition->GetRange() failure", this));
return hr;
}
hr = RecordCompositionStartAction(pComposition, range, false);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnStartComposition() FAILED due to "
"RecordCompositionStartAction() failure", this));
return hr;
}
*pfOk = TRUE;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnStartComposition() succeeded", this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnUpdateComposition(ITfCompositionView* pComposition,
ITfRange* pRangeNew)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnUpdateComposition(pComposition=0x%p, "
"pRangeNew=0x%p), mComposition.mView=0x%p",
this, pComposition, pRangeNew, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mDocumentMgr || !mContext) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"not ready for the composition", this));
return E_UNEXPECTED;
}
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
// pRangeNew is null when the update is not complete
if (!pRangeNew) {
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mIncomplete = true;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnUpdateComposition() succeeded but "
"not complete", this));
return S_OK;
}
HRESULT hr = RestartCompositionIfNecessary(pRangeNew);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
if (MOZ_LOG_TEST(sTextStoreLog, LogLevel::Info)) {
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"SelectionForTSFRef() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnUpdateComposition() succeeded: "
"mComposition={ mStart=%ld, mString=\"%s\" }, "
"SelectionForTSFRef()={ acpStart=%ld, acpEnd=%ld, style.ase=%s }",
this, mComposition.mStart,
GetEscapedUTF8String(mComposition.mString).get(),
selectionForTSF.StartOffset(), selectionForTSF.EndOffset(),
GetActiveSelEndName(selectionForTSF.ActiveSelEnd())));
}
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnEndComposition(ITfCompositionView* pComposition)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnEndComposition(pComposition=0x%p), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, pComposition, mComposition.mView.get(),
GetEscapedUTF8String(mComposition.mString).get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnEndComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnEndComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
HRESULT hr = RecordCompositionEndAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::OnEndComposition() FAILED due to "
"RecordCompositionEndAction() failure", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnEndComposition(), succeeded", this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::AdviseMouseSink(ITfRangeACP* range,
ITfMouseSink* pSink,
DWORD* pdwCookie)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::AdviseMouseSink(range=0x%p, pSink=0x%p, "
"pdwCookie=0x%p)", this, range, pSink, pdwCookie));
if (!pdwCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"pdwCookie is null", this));
return E_INVALIDARG;
}
// Initialize the result with invalid cookie for safety.
*pdwCookie = MouseTracker::kInvalidCookie;
if (!range) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"range is null", this));
return E_INVALIDARG;
}
if (!pSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"pSink is null", this));
return E_INVALIDARG;
}
// Looking for an unusing tracker.
MouseTracker* tracker = nullptr;
for (size_t i = 0; i < mMouseTrackers.Length(); i++) {
if (mMouseTrackers[i].IsUsing()) {
continue;
}
tracker = &mMouseTrackers[i];
}
// If there is no unusing tracker, create new one.
// XXX Should we make limitation of the number of installs?
if (!tracker) {
tracker = mMouseTrackers.AppendElement();
HRESULT hr = tracker->Init(this);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseMouseSink() FAILED due to "
"failure of MouseTracker::Init()", this));
return hr;
}
}
HRESULT hr = tracker->AdviseSink(this, range, pSink);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::AdviseMouseSink() FAILED due to failure "
"of MouseTracker::Init()", this));
return hr;
}
*pdwCookie = tracker->Cookie();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::AdviseMouseSink(), succeeded, "
"*pdwCookie=%d", this, *pdwCookie));
return S_OK;
}
STDMETHODIMP
TSFTextStore::UnadviseMouseSink(DWORD dwCookie)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::UnadviseMouseSink(dwCookie=%d)",
this, dwCookie));
if (dwCookie == MouseTracker::kInvalidCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is invalid value", this));
return E_INVALIDARG;
}
// The cookie value must be an index of mMouseTrackers.
// We can use this shortcut for now.
if (static_cast<size_t>(dwCookie) >= mMouseTrackers.Length()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is too large value", this));
return E_INVALIDARG;
}
MouseTracker& tracker = mMouseTrackers[dwCookie];
if (!tracker.IsUsing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the found tracker uninstalled already", this));
return E_INVALIDARG;
}
tracker.UnadviseSink();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::UnadviseMouseSink(), succeeded", this));
return S_OK;
}
// static
nsresult
TSFTextStore::OnFocusChange(bool aGotFocus,
nsWindowBase* aFocusedWidget,
const InputContext& aContext)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
(" TSFTextStore::OnFocusChange(aGotFocus=%s, "
"aFocusedWidget=0x%p, aContext=%s), "
"sThreadMgr=0x%p, sEnabledTextStore=0x%p",
GetBoolName(aGotFocus), aFocusedWidget,
GetInputContextString(aContext).get(),
sThreadMgr.get(), sEnabledTextStore.get()));
if (NS_WARN_IF(!IsInTSFMode())) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<ITfDocumentMgr> prevFocusedDocumentMgr;
bool hasFocus = ThinksHavingFocus();
RefPtr<TSFTextStore> oldTextStore = sEnabledTextStore.forget();
// If currently oldTextStore still has focus, notifies TSF of losing focus.
if (hasFocus) {
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
DebugOnly<HRESULT> hr =
threadMgr->AssociateFocus(
oldTextStore->mWidget->GetWindowHandle(),
nullptr, getter_AddRefs(prevFocusedDocumentMgr));
NS_ASSERTION(SUCCEEDED(hr), "Disassociating focus failed");
NS_ASSERTION(prevFocusedDocumentMgr == oldTextStore->mDocumentMgr,
"different documentMgr has been associated with the window");
}
// Even if there was a focused TextStore, we won't use it with new focused
// editor. So, release it now.
if (oldTextStore) {
oldTextStore->Destroy();
}
if (NS_WARN_IF(!sThreadMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::OnFocusChange() FAILED, due to "
"sThreadMgr being destroyed during calling "
"ITfThreadMgr::AssociateFocus()"));
return NS_ERROR_FAILURE;
}
if (NS_WARN_IF(sEnabledTextStore)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::OnFocusChange() FAILED, due to "
"nested event handling has created another focused TextStore during "
"calling ITfThreadMgr::AssociateFocus()"));
return NS_ERROR_FAILURE;
}
// If this is a notification of blur, move focus to the dummy document
// manager.
if (!aGotFocus || !aContext.mIMEState.IsEditable()) {
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
RefPtr<ITfDocumentMgr> disabledDocumentMgr = sDisabledDocumentMgr;
HRESULT hr = threadMgr->SetFocus(disabledDocumentMgr);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::OnFocusChange() FAILED due to "
"ITfThreadMgr::SetFocus() failure"));
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// If an editor is getting focus, create new TextStore and set focus.
if (NS_WARN_IF(!CreateAndSetFocus(aFocusedWidget, aContext))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::OnFocusChange() FAILED due to "
"ITfThreadMgr::CreateAndSetFocus() failure"));
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// static
void
TSFTextStore::EnsureToDestroyAndReleaseEnabledTextStoreIf(
RefPtr<TSFTextStore>& aTextStore)
{
aTextStore->Destroy();
if (sEnabledTextStore == aTextStore) {
sEnabledTextStore = nullptr;
}
aTextStore = nullptr;
}
// static
bool
TSFTextStore::CreateAndSetFocus(nsWindowBase* aFocusedWidget,
const InputContext& aContext)
{
// TSF might do something which causes that we need to access static methods
// of TSFTextStore. At that time, sEnabledTextStore may be necessary.
// So, we should set sEnabledTextStore directly.
RefPtr<TSFTextStore> textStore = new TSFTextStore();
sEnabledTextStore = textStore;
if (NS_WARN_IF(!textStore->Init(aFocusedWidget, aContext))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"TSFTextStore::Init() failure"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
RefPtr<ITfDocumentMgr> newDocMgr = textStore->mDocumentMgr;
if (NS_WARN_IF(!newDocMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"invalid TSFTextStore::mDocumentMgr"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (aContext.mIMEState.mEnabled == IMEState::PASSWORD) {
MarkContextAsKeyboardDisabled(textStore->mContext);
RefPtr<ITfContext> topContext;
newDocMgr->GetTop(getter_AddRefs(topContext));
if (topContext && topContext != textStore->mContext) {
MarkContextAsKeyboardDisabled(topContext);
}
}
HRESULT hr;
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
hr = threadMgr->SetFocus(newDocMgr);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"ITfTheadMgr::SetFocus() failure"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (NS_WARN_IF(!sThreadMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"sThreadMgr being destroyed during calling "
"ITfTheadMgr::SetFocus()"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (NS_WARN_IF(sEnabledTextStore != textStore)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"creating TextStore has lost focus during calling "
"ITfThreadMgr::SetFocus()"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
// Use AssociateFocus() for ensuring that any native focus event
// never steal focus from our documentMgr.
RefPtr<ITfDocumentMgr> prevFocusedDocumentMgr;
hr = threadMgr->AssociateFocus(aFocusedWidget->GetWindowHandle(), newDocMgr,
getter_AddRefs(prevFocusedDocumentMgr));
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"ITfTheadMgr::AssociateFocus() failure"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (NS_WARN_IF(!sThreadMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"sThreadMgr being destroyed during calling "
"ITfTheadMgr::AssociateFocus()"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (NS_WARN_IF(sEnabledTextStore != textStore)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"creating TextStore has lost focus during calling "
"ITfTheadMgr::AssociateFocus()"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
if (textStore->mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
(" TSFTextStore::CreateAndSetFocus(), calling "
"ITextStoreACPSink::OnLayoutChange(TS_LC_CREATE) for 0x%p...",
textStore.get()));
RefPtr<ITextStoreACPSink> sink = textStore->mSink;
sink->OnLayoutChange(TS_LC_CREATE, TEXTSTORE_DEFAULT_VIEW);
if (NS_WARN_IF(sEnabledTextStore != textStore)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CreateAndSetFocus() FAILED due to "
"creating TextStore has lost focus during calling "
"ITextStoreACPSink::OnLayoutChange(TS_LC_CREATE)"));
EnsureToDestroyAndReleaseEnabledTextStoreIf(textStore);
return false;
}
}
return true;
}
// static
IMENotificationRequests
TSFTextStore::GetIMENotificationRequests()
{
if (!sEnabledTextStore ||
NS_WARN_IF(!sEnabledTextStore->mDocumentMgr)) {
// If there is no active text store, we don't need any notifications
// since there is no sink which needs notifications.
return IMENotificationRequests();
}
// Otherwise, requests all notifications since even if some of them may not
// be required by the sink of active TIP, active TIP may be changed and
// other TIPs may need all notifications.
// Note that Windows temporarily steal focus from active window if the main
// process which created the window becomes busy. In this case, we shouldn't
// commit composition since user may want to continue to compose the
// composition after becoming not busy. Therefore, we need notifications
// even during deactive.
// Be aware, we don't need to check actual focused text store. For example,
// MS-IME for Japanese handles focus messages by themselves and sets focused
// text store to nullptr when the process is being inactivated. However,
// we still need to reuse sEnabledTextStore if the process is activated and
// focused element isn't changed. Therefore, if sEnabledTextStore isn't
// nullptr, we need to keep notifying the sink even when it is not focused
// text store for the thread manager.
return IMENotificationRequests(
IMENotificationRequests::NOTIFY_TEXT_CHANGE |
IMENotificationRequests::NOTIFY_POSITION_CHANGE |
IMENotificationRequests::NOTIFY_MOUSE_BUTTON_EVENT_ON_CHAR |
IMENotificationRequests::NOTIFY_DURING_DEACTIVE);
}
nsresult
TSFTextStore::OnTextChangeInternal(const IMENotification& aIMENotification)
{
const TextChangeDataBase& textChangeData = aIMENotification.mTextChangeData;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::OnTextChangeInternal(aIMENotification={ "
"mMessage=0x%08X, mTextChangeData={ mStartOffset=%lu, "
"mRemovedEndOffset=%lu, mAddedEndOffset=%lu, "
"mCausedOnlyByComposition=%s, "
"mIncludingChangesDuringComposition=%s, "
"mIncludingChangesWithoutComposition=%s }), "
"mDestroyed=%s, mSink=0x%p, mSinkMask=%s, "
"mComposition.IsComposing()=%s",
this, aIMENotification.mMessage,
textChangeData.mStartOffset,
textChangeData.mRemovedEndOffset,
textChangeData.mAddedEndOffset,
GetBoolName(textChangeData.mCausedOnlyByComposition),
GetBoolName(textChangeData.mIncludingChangesDuringComposition),
GetBoolName(textChangeData.mIncludingChangesWithoutComposition),
GetBoolName(mDestroyed),
mSink.get(),
GetSinkMaskNameStr(mSinkMask).get(),
GetBoolName(mComposition.IsComposing())));
if (mDestroyed) {
// If this instance is already destroyed, we shouldn't notify TSF of any
// changes.
return NS_OK;
}
mDeferNotifyingTSF = false;
// Different from selection change, we don't modify anything with text
// change data. Therefore, if neither TSF not TIP wants text change
// notifications, we don't need to store the changes.
if (!mSink || !(mSinkMask & TS_AS_TEXT_CHANGE)) {
return NS_OK;
}
// Merge any text change data even if it's caused by composition.
mPendingTextChangeData.MergeWith(textChangeData);
MaybeFlushPendingNotifications();
return NS_OK;
}
void
TSFTextStore::NotifyTSFOfTextChange()
{
MOZ_ASSERT(!mDestroyed);
MOZ_ASSERT(!IsReadLocked());
MOZ_ASSERT(!mComposition.IsComposing());
MOZ_ASSERT(mPendingTextChangeData.IsValid());
// If the text changes are caused only by composition, we don't need to
// notify TSF of the text changes.
if (mPendingTextChangeData.mCausedOnlyByComposition) {
mPendingTextChangeData.Clear();
return;
}
// First, forget cached selection.
mSelectionForTSF.MarkDirty();
// For making it safer, we should check if there is a valid sink to receive
// text change notification.
if (NS_WARN_IF(!mSink) || NS_WARN_IF(!(mSinkMask & TS_AS_TEXT_CHANGE))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::NotifyTSFOfTextChange() FAILED due to "
"mSink is not ready to call ITextStoreACPSink::OnTextChange()...",
this));
mPendingTextChangeData.Clear();
return;
}
if (NS_WARN_IF(!mPendingTextChangeData.IsInInt32Range())) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::NotifyTSFOfTextChange() FAILED due to "
"offset is too big for calling "
"ITextStoreACPSink::OnTextChange()...",
this));
mPendingTextChangeData.Clear();
return;
}
TS_TEXTCHANGE textChange;
textChange.acpStart =
static_cast<LONG>(mPendingTextChangeData.mStartOffset);
textChange.acpOldEnd =
static_cast<LONG>(mPendingTextChangeData.mRemovedEndOffset);
textChange.acpNewEnd =
static_cast<LONG>(mPendingTextChangeData.mAddedEndOffset);
mPendingTextChangeData.Clear();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfTextChange(), calling "
"ITextStoreACPSink::OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, textChange.acpStart,
textChange.acpOldEnd, textChange.acpNewEnd));
RefPtr<ITextStoreACPSink> sink = mSink;
sink->OnTextChange(0, &textChange);
}
nsresult
TSFTextStore::OnSelectionChangeInternal(const IMENotification& aIMENotification)
{
const SelectionChangeDataBase& selectionChangeData =
aIMENotification.mSelectionChangeData;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::OnSelectionChangeInternal("
"aIMENotification={ mSelectionChangeData={ mOffset=%lu, "
"Length()=%lu, mReversed=%s, mWritingMode=%s, "
"mCausedByComposition=%s, mCausedBySelectionEvent=%s, "
"mOccurredDuringComposition=%s } }), mDestroyed=%s, "
"mSink=0x%p, mSinkMask=%s, mIsRecordingActionsWithoutLock=%s, "
"mComposition.IsComposing()=%s",
this, selectionChangeData.mOffset, selectionChangeData.Length(),
GetBoolName(selectionChangeData.mReversed),
GetWritingModeName(selectionChangeData.GetWritingMode()).get(),
GetBoolName(selectionChangeData.mCausedByComposition),
GetBoolName(selectionChangeData.mCausedBySelectionEvent),
GetBoolName(selectionChangeData.mOccurredDuringComposition),
GetBoolName(mDestroyed),
mSink.get(), GetSinkMaskNameStr(mSinkMask).get(),
GetBoolName(mIsRecordingActionsWithoutLock),
GetBoolName(mComposition.IsComposing())));
if (mDestroyed) {
// If this instance is already destroyed, we shouldn't notify TSF of any
// changes.
return NS_OK;
}
mDeferNotifyingTSF = false;
// Assign the new selection change data to the pending selection change data
// because only the latest selection data is necessary.
// Note that this is necessary to update mSelectionForTSF. Therefore, even if
// neither TSF nor TIP wants selection change notifications, we need to
// store the selection information.
mPendingSelectionChangeData.Assign(selectionChangeData);
// Flush remaining pending notifications here if it's possible.
MaybeFlushPendingNotifications();
return NS_OK;
}
void
TSFTextStore::NotifyTSFOfSelectionChange()
{
MOZ_ASSERT(!mDestroyed);
MOZ_ASSERT(!IsReadLocked());
MOZ_ASSERT(!mComposition.IsComposing());
MOZ_ASSERT(mPendingSelectionChangeData.IsValid());
// If selection range isn't actually changed, we don't need to notify TSF
// of this selection change.
if (!mSelectionForTSF.SetSelection(
mPendingSelectionChangeData.mOffset,
mPendingSelectionChangeData.Length(),
mPendingSelectionChangeData.mReversed,
mPendingSelectionChangeData.GetWritingMode())) {
mPendingSelectionChangeData.Clear();
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::NotifyTSFOfSelectionChange(), "
"selection isn't actually changed.", this));
return;
}
mPendingSelectionChangeData.Clear();
if (!mSink || !(mSinkMask & TS_AS_SEL_CHANGE)) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfSelectionChange(), calling "
"ITextStoreACPSink::OnSelectionChange()...", this));
RefPtr<ITextStoreACPSink> sink = mSink;
sink->OnSelectionChange();
}
nsresult
TSFTextStore::OnLayoutChangeInternal()
{
if (mDestroyed) {
// If this instance is already destroyed, we shouldn't notify TSF of any
// changes.
return NS_OK;
}
NS_ENSURE_TRUE(mContext, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(mSink, NS_ERROR_FAILURE);
mDeferNotifyingTSF = false;
nsresult rv = NS_OK;
// We need to notify TSF of layout change even if the document is locked.
// So, don't use MaybeFlushPendingNotifications() for flushing pending
// layout change.
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::OnLayoutChangeInternal(), calling "
"NotifyTSFOfLayoutChange()...", this));
if (NS_WARN_IF(!NotifyTSFOfLayoutChange())) {
rv = NS_ERROR_FAILURE;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::OnLayoutChangeInternal(), calling "
"MaybeFlushPendingNotifications()...", this));
MaybeFlushPendingNotifications();
return rv;
}
bool
TSFTextStore::NotifyTSFOfLayoutChange()
{
MOZ_ASSERT(!mDestroyed);
// If we're waiting a query of layout information from TIP, it means that
// we've returned TS_E_NOLAYOUT error.
bool returnedNoLayoutError =
mHasReturnedNoLayoutError || mWaitingQueryLayout;
// If we returned TS_E_NOLAYOUT, TIP should query the computed layout again.
mWaitingQueryLayout = returnedNoLayoutError;
// For avoiding to call this method again at unlocking the document during
// calls of OnLayoutChange(), reset mHasReturnedNoLayoutError.
mHasReturnedNoLayoutError = false;
// Now, layout has been computed. We should notify mContentForTSF for
// making GetTextExt() and GetACPFromPoint() not return TS_E_NOLAYOUT.
if (mContentForTSF.IsInitialized()) {
mContentForTSF.OnLayoutChanged();
}
// Now, the caret position is different from ours. Destroy the native caret
// if there is.
MaybeDestroyNativeCaret();
// This method should return true if either way succeeds.
bool ret = true;
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"calling ITextStoreACPSink::OnLayoutChange()...",
this));
RefPtr<ITextStoreACPSink> sink = mSink;
HRESULT hr = sink->OnLayoutChange(TS_LC_CHANGE, TEXTSTORE_DEFAULT_VIEW);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"called ITextStoreACPSink::OnLayoutChange()",
this));
ret = SUCCEEDED(hr);
}
// The layout change caused by composition string change should cause
// calling ITfContextOwnerServices::OnLayoutChange() too.
if (returnedNoLayoutError && mContext) {
RefPtr<ITfContextOwnerServices> service;
mContext->QueryInterface(IID_ITfContextOwnerServices,
getter_AddRefs(service));
if (service) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"calling ITfContextOwnerServices::OnLayoutChange()...",
this));
HRESULT hr = service->OnLayoutChange();
ret = ret && SUCCEEDED(hr);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"called ITfContextOwnerServices::OnLayoutChange()",
this));
}
}
if (!mWidget || mWidget->Destroyed()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"the widget is destroyed during calling OnLayoutChange()",
this));
return ret;
}
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"the TSFTextStore instance is destroyed during calling "
"OnLayoutChange()",
this));
return ret;
}
// If we returned TS_E_NOLAYOUT again, we need another call of
// OnLayoutChange() later. So, let's wait a query from TIP.
if (mHasReturnedNoLayoutError) {
mWaitingQueryLayout = true;
}
if (!mWaitingQueryLayout) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"succeeded notifying TIP of our layout change",
this));
return ret;
}
// If we believe that TIP needs to retry to retrieve our layout information
// later, we should call it with ::PostMessage() hack.
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"posing MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE for calling "
"OnLayoutChange() again...", this));
::PostMessage(mWidget->GetWindowHandle(),
MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE,
reinterpret_cast<WPARAM>(this), 0);
return true;
}
void
TSFTextStore::NotifyTSFOfLayoutChangeAgain()
{
// Don't notify TSF of layout change after destroyed.
if (mDestroyed) {
mWaitingQueryLayout = false;
return;
}
// Before preforming this method, TIP has accessed our layout information by
// itself. In such case, we don't need to call OnLayoutChange() anymore.
if (!mWaitingQueryLayout) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"calling NotifyTSFOfLayoutChange()...", this));
NotifyTSFOfLayoutChange();
// If TIP didn't retrieved our layout information during a call of
// NotifyTSFOfLayoutChange(), it means that the TIP already gave up to
// retry to retrieve layout information or doesn't necessary it anymore.
// But don't forget that the call may have caused returning TS_E_NOLAYOUT
// error again. In such case we still need to call OnLayoutChange() later.
if (!mHasReturnedNoLayoutError && mWaitingQueryLayout) {
mWaitingQueryLayout = false;
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"called NotifyTSFOfLayoutChange() but TIP didn't retry to "
"retrieve the layout information", this));
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"called NotifyTSFOfLayoutChange()", this));
}
}
nsresult
TSFTextStore::OnUpdateCompositionInternal()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::OnUpdateCompositionInternal(), "
"mDestroyed=%s, mDeferNotifyingTSF=%s",
this, GetBoolName(mDestroyed), GetBoolName(mDeferNotifyingTSF)));
// There are nothing to do after destroyed.
if (mDestroyed) {
return NS_OK;
}
// If composition is completely finished both in TSF/TIP and the focused
// editor which may be in a remote process, we can clear the cache until
// starting next composition.
if (!mComposition.IsComposing() && !IsComposingInContent()) {
mDeferClearingContentForTSF = false;
}
mDeferNotifyingTSF = false;
MaybeFlushPendingNotifications();
return NS_OK;
}
nsresult
TSFTextStore::OnMouseButtonEventInternal(
const IMENotification& aIMENotification)
{
if (mDestroyed) {
// If this instance is already destroyed, we shouldn't notify TSF of any
// events.
return NS_OK;
}
if (mMouseTrackers.IsEmpty()) {
return NS_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::OnMouseButtonEventInternal("
"aIMENotification={ mEventMessage=%s, mOffset=%u, mCursorPos={ "
"mX=%d, mY=%d }, mCharRect={ mX=%d, mY=%d, mWidth=%d, mHeight=%d }, "
"mButton=%s, mButtons=%s, mModifiers=%s })",
this, ToChar(aIMENotification.mMouseButtonEventData.mEventMessage),
aIMENotification.mMouseButtonEventData.mOffset,
aIMENotification.mMouseButtonEventData.mCursorPos.mX,
aIMENotification.mMouseButtonEventData.mCursorPos.mY,
aIMENotification.mMouseButtonEventData.mCharRect.mX,
aIMENotification.mMouseButtonEventData.mCharRect.mY,
aIMENotification.mMouseButtonEventData.mCharRect.mWidth,
aIMENotification.mMouseButtonEventData.mCharRect.mHeight,
GetMouseButtonName(aIMENotification.mMouseButtonEventData.mButton),
GetMouseButtonsName(
aIMENotification.mMouseButtonEventData.mButtons).get(),
GetModifiersName(
aIMENotification.mMouseButtonEventData.mModifiers).get()));
uint32_t offset = aIMENotification.mMouseButtonEventData.mOffset;
nsIntRect charRect =
aIMENotification.mMouseButtonEventData.mCharRect.AsIntRect();
nsIntPoint cursorPos =
aIMENotification.mMouseButtonEventData.mCursorPos.AsIntPoint();
ULONG quadrant = 1;
if (charRect.width > 0) {
int32_t cursorXInChar = cursorPos.x - charRect.x;
quadrant = cursorXInChar * 4 / charRect.width;
quadrant = (quadrant + 2) % 4;
}
ULONG edge = quadrant < 2 ? offset + 1 : offset;
DWORD buttonStatus = 0;
bool isMouseUp =
aIMENotification.mMouseButtonEventData.mEventMessage == eMouseUp;
if (!isMouseUp) {
switch (aIMENotification.mMouseButtonEventData.mButton) {
case WidgetMouseEventBase::eLeftButton:
buttonStatus = MK_LBUTTON;
break;
case WidgetMouseEventBase::eMiddleButton:
buttonStatus = MK_MBUTTON;
break;
case WidgetMouseEventBase::eRightButton:
buttonStatus = MK_RBUTTON;
break;
}
}
if (aIMENotification.mMouseButtonEventData.mModifiers & MODIFIER_CONTROL) {
buttonStatus |= MK_CONTROL;
}
if (aIMENotification.mMouseButtonEventData.mModifiers & MODIFIER_SHIFT) {
buttonStatus |= MK_SHIFT;
}
for (size_t i = 0; i < mMouseTrackers.Length(); i++) {
MouseTracker& tracker = mMouseTrackers[i];
if (!tracker.IsUsing() || !tracker.InRange(offset)) {
continue;
}
if (tracker.OnMouseButtonEvent(edge - tracker.RangeStart(),
quadrant, buttonStatus)) {
return NS_SUCCESS_EVENT_CONSUMED;
}
}
return NS_OK;
}
void
TSFTextStore::CreateNativeCaret()
{
MaybeDestroyNativeCaret();
// Don't create native caret after destroyed.
if (mDestroyed) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::CreateNativeCaret(), "
"mComposition.IsComposing()=%s",
this, GetBoolName(mComposition.IsComposing())));
Selection& selectionForTSF = SelectionForTSFRef();
if (selectionForTSF.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"SelectionForTSFRef() failure", this));
return;
}
WidgetQueryContentEvent queryCaretRect(true, eQueryCaretRect, mWidget);
mWidget->InitEvent(queryCaretRect);
WidgetQueryContentEvent::Options options;
// XXX If this is called without composition and the selection isn't
// collapsed, is it OK?
int64_t caretOffset = selectionForTSF.MaxOffset();
if (mComposition.IsComposing()) {
// If there is a composition, use insertion point relative query for
// deciding caret position because composition might be at different
// position where TSFTextStore believes it at.
options.mRelativeToInsertionPoint = true;
caretOffset -= mComposition.mStart;
} else if (!CanAccessActualContentDirectly()) {
// If TSF/TIP cannot access actual content directly, there may be pending
// text and/or selection changes which have not been notified TSF yet.
// Therefore, we should use relative to insertion point query since
// TSF/TIP computes the offset from the cached selection.
options.mRelativeToInsertionPoint = true;
caretOffset -= mSelectionForTSF.StartOffset();
}
queryCaretRect.InitForQueryCaretRect(caretOffset, options);
DispatchEvent(queryCaretRect);
if (NS_WARN_IF(!queryCaretRect.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"eQueryCaretRect failure (offset=%d)", this, caretOffset));
return;
}
LayoutDeviceIntRect& caretRect = queryCaretRect.mReply.mRect;
mNativeCaretIsCreated = ::CreateCaret(mWidget->GetWindowHandle(), nullptr,
caretRect.width, caretRect.height);
if (!mNativeCaretIsCreated) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"CreateCaret() failure", this));
return;
}
nsWindow* window = static_cast<nsWindow*>(mWidget.get());
nsWindow* toplevelWindow = window->GetTopLevelWindow(false);
if (!toplevelWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"no top level window", this));
return;
}
if (toplevelWindow != window) {
caretRect.MoveBy(toplevelWindow->WidgetToScreenOffset());
caretRect.MoveBy(-window->WidgetToScreenOffset());
}
::SetCaretPos(caretRect.x, caretRect.y);
}
void
TSFTextStore::MaybeDestroyNativeCaret()
{
if (!mNativeCaretIsCreated) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MaybeDestroyNativeCaret(), "
"destroying native caret", this));
::DestroyCaret();
mNativeCaretIsCreated = false;
}
void
TSFTextStore::CommitCompositionInternal(bool aDiscard)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::CommitCompositionInternal(aDiscard=%s), "
"mSink=0x%p, mContext=0x%p, mComposition.mView=0x%p, "
"mComposition.mString=\"%s\"",
this, GetBoolName(aDiscard), mSink.get(), mContext.get(),
mComposition.mView.get(),
GetEscapedUTF8String(mComposition.mString).get()));
// If the document is locked, TSF will fail to commit composition since
// TSF needs another document lock. So, let's put off the request.
// Note that TextComposition will commit composition in the focused editor
// with the latest composition string for web apps and waits asynchronous
// committing messages. Therefore, we can and need to perform this
// asynchronously.
if (IsReadLocked()) {
if (mDeferCommittingComposition || mDeferCancellingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::CommitCompositionInternal(), "
"does nothing because already called and waiting unlock...", this));
return;
}
if (aDiscard) {
mDeferCancellingComposition = true;
} else {
mDeferCommittingComposition = true;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::CommitCompositionInternal(), "
"putting off to request to %s composition after unlocking the document",
this, aDiscard ? "cancel" : "commit"));
return;
}
if (mComposition.IsComposing() && aDiscard) {
LONG endOffset = mComposition.EndOffset();
mComposition.mString.Truncate(0);
// Note that don't notify TSF of text change after this is destroyed.
if (mSink && !mDestroyed) {
TS_TEXTCHANGE textChange;
textChange.acpStart = mComposition.mStart;
textChange.acpOldEnd = endOffset;
textChange.acpNewEnd = mComposition.mStart;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("0x%p TSFTextStore::CommitCompositionInternal(), calling"
"mSink->OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, textChange.acpStart,
textChange.acpOldEnd, textChange.acpNewEnd));
RefPtr<ITextStoreACPSink> sink = mSink;
sink->OnTextChange(0, &textChange);
}
}
// Terminate two contexts, the base context (mContext) and the top
// if the top context is not the same as the base context
RefPtr<ITfContext> context = mContext;
do {
if (context) {
RefPtr<ITfContextOwnerCompositionServices> services;
context->QueryInterface(IID_ITfContextOwnerCompositionServices,
getter_AddRefs(services));
if (services) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::CommitCompositionInternal(), "
"requesting TerminateComposition() for the context 0x%p...",
this, context.get()));
services->TerminateComposition(nullptr);
}
}
if (context != mContext)
break;
if (mDocumentMgr)
mDocumentMgr->GetTop(getter_AddRefs(context));
} while (context != mContext);
}
static
bool
GetCompartment(IUnknown* pUnk,
const GUID& aID,
ITfCompartment** aCompartment)
{
if (!pUnk) return false;
RefPtr<ITfCompartmentMgr> compMgr;
pUnk->QueryInterface(IID_ITfCompartmentMgr, getter_AddRefs(compMgr));
if (!compMgr) return false;
return SUCCEEDED(compMgr->GetCompartment(aID, aCompartment)) &&
(*aCompartment) != nullptr;
}
// static
void
TSFTextStore::SetIMEOpenState(bool aState)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSFTextStore::SetIMEOpenState(aState=%s)",
GetBoolName(aState)));
if (!sThreadMgr) {
return;
}
RefPtr<ITfCompartment> comp = GetCompartmentForOpenClose();
if (NS_WARN_IF(!comp)) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
(" TSFTextStore::SetIMEOpenState() FAILED due to"
"no compartment available"));
return;
}
VARIANT variant;
variant.vt = VT_I4;
variant.lVal = aState;
HRESULT hr = comp->SetValue(sClientId, &variant);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::SetIMEOpenState() FAILED due to "
"ITfCompartment::SetValue() failure, hr=0x%08X", hr));
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
(" TSFTextStore::SetIMEOpenState(), setting "
"0x%04X to GUID_COMPARTMENT_KEYBOARD_OPENCLOSE...",
variant.lVal));
}
// static
bool
TSFTextStore::GetIMEOpenState()
{
if (!sThreadMgr) {
return false;
}
RefPtr<ITfCompartment> comp = GetCompartmentForOpenClose();
if (NS_WARN_IF(!comp)) {
return false;
}
VARIANT variant;
::VariantInit(&variant);
HRESULT hr = comp->GetValue(&variant);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetIMEOpenState() FAILED due to "
"ITfCompartment::GetValue() failure, hr=0x%08X", hr));
return false;
}
// Until IME is open in this process, the result may be empty.
if (variant.vt == VT_EMPTY) {
return false;
}
if (NS_WARN_IF(variant.vt != VT_I4)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetIMEOpenState() FAILED due to "
"invalid result of ITfCompartment::GetValue()"));
::VariantClear(&variant);
return false;
}
return variant.lVal != 0;
}
// static
void
TSFTextStore::SetInputContext(nsWindowBase* aWidget,
const InputContext& aContext,
const InputContextAction& aAction)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSFTextStore::SetInputContext(aWidget=%p, "
"aContext=%s, aAction.mFocusChange=%s), "
"sEnabledTextStore(0x%p)={ mWidget=0x%p }, ThinksHavingFocus()=%s",
aWidget, GetInputContextString(aContext).get(),
GetFocusChangeName(aAction.mFocusChange), sEnabledTextStore.get(),
sEnabledTextStore ? sEnabledTextStore->mWidget.get() : nullptr,
GetBoolName(ThinksHavingFocus())));
// When this is called when the widget is created, there is nothing to do.
if (aAction.mFocusChange == InputContextAction::WIDGET_CREATED) {
return;
}
NS_ENSURE_TRUE_VOID(IsInTSFMode());
if (aAction.mFocusChange != InputContextAction::FOCUS_NOT_CHANGED) {
if (sEnabledTextStore) {
RefPtr<TSFTextStore> textStore(sEnabledTextStore);
textStore->SetInputScope(aContext.mHTMLInputType,
aContext.mHTMLInputInputmode);
}
return;
}
// If focus isn't actually changed but the enabled state is changed,
// emulate the focus move.
if (!ThinksHavingFocus() && aContext.mIMEState.IsEditable()) {
OnFocusChange(true, aWidget, aContext);
} else if (ThinksHavingFocus() && !aContext.mIMEState.IsEditable()) {
OnFocusChange(false, aWidget, aContext);
}
}
// static
void
TSFTextStore::MarkContextAsKeyboardDisabled(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
RefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_KEYBOARD_DISABLED,
getter_AddRefs(comp))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::MarkContextAsKeyboardDisabled() failed"
"aContext=0x%p...", aContext));
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSFTextStore::MarkContextAsKeyboardDisabled(), setting "
"to disable context 0x%p...",
aContext));
comp->SetValue(sClientId, &variant_int4_value1);
}
// static
void
TSFTextStore::MarkContextAsEmpty(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
RefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_EMPTYCONTEXT,
getter_AddRefs(comp))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::MarkContextAsEmpty() failed"
"aContext=0x%p...", aContext));
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSFTextStore::MarkContextAsEmpty(), setting "
"to mark empty context 0x%p...", aContext));
comp->SetValue(sClientId, &variant_int4_value1);
}
// static
void
TSFTextStore::Initialize()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSFTextStore::Initialize() is called..."));
if (sThreadMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::Initialize() FAILED due to already initialized"));
return;
}
bool enableTsf = Preferences::GetBool(kPrefNameEnableTSF, false);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
(" TSFTextStore::Initialize(), TSF is %s",
enableTsf ? "enabled" : "disabled"));
if (!enableTsf) {
return;
}
RefPtr<ITfThreadMgr> threadMgr;
HRESULT hr = ::CoCreateInstance(CLSID_TF_ThreadMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfThreadMgr,
getter_AddRefs(threadMgr));
if (FAILED(hr) || !threadMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::Initialize() FAILED to "
"create the thread manager, hr=0x%08X", hr));
return;
}
hr = threadMgr->Activate(&sClientId);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::Initialize() FAILED to activate, hr=0x%08X", hr));
return;
}
RefPtr<ITfDocumentMgr> disabledDocumentMgr;
hr = threadMgr->CreateDocumentMgr(getter_AddRefs(disabledDocumentMgr));
if (FAILED(hr) || !disabledDocumentMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::Initialize() FAILED to create "
"a document manager for disabled mode, hr=0x%08X", hr));
return;
}
RefPtr<ITfContext> disabledContext;
DWORD editCookie = 0;
hr = disabledDocumentMgr->CreateContext(sClientId, 0, nullptr,
getter_AddRefs(disabledContext),
&editCookie);
if (FAILED(hr) || !disabledContext) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::Initialize() FAILED to create "
"a context for disabled mode, hr=0x%08X", hr));
return;
}
MarkContextAsKeyboardDisabled(disabledContext);
MarkContextAsEmpty(disabledContext);
sThreadMgr = threadMgr;
sDisabledDocumentMgr = disabledDocumentMgr;
sDisabledContext = disabledContext;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
(" TSFTextStore::Initialize(), sThreadMgr=0x%p, "
"sClientId=0x%08X, sDisabledDocumentMgr=0x%p, sDisabledContext=%p",
sThreadMgr.get(), sClientId,
sDisabledDocumentMgr.get(), sDisabledContext.get()));
}
// static
already_AddRefed<ITfThreadMgr>
TSFTextStore::GetThreadMgr()
{
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
return threadMgr.forget();
}
// static
already_AddRefed<ITfMessagePump>
TSFTextStore::GetMessagePump()
{
static bool sInitialized = false;
if (!sThreadMgr) {
return nullptr;
}
if (sMessagePump) {
RefPtr<ITfMessagePump> messagePump = sMessagePump;
return messagePump.forget();
}
// If it tried to retrieve ITfMessagePump from sThreadMgr but it failed,
// we shouldn't retry it at every message due to performance reason.
// Although this shouldn't occur actually.
if (sInitialized) {
return nullptr;
}
sInitialized = true;
RefPtr<ITfMessagePump> messagePump;
HRESULT hr = sThreadMgr->QueryInterface(IID_ITfMessagePump,
getter_AddRefs(messagePump));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!messagePump)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetMessagePump() FAILED to "
"QI message pump from the thread manager, hr=0x%08X", hr));
return nullptr;
}
sMessagePump = messagePump;
return messagePump.forget();
}
// static
already_AddRefed<ITfDisplayAttributeMgr>
TSFTextStore::GetDisplayAttributeMgr()
{
RefPtr<ITfDisplayAttributeMgr> displayAttributeMgr;
if (sDisplayAttrMgr) {
displayAttributeMgr = sDisplayAttrMgr;
return displayAttributeMgr.forget();
}
HRESULT hr =
::CoCreateInstance(CLSID_TF_DisplayAttributeMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfDisplayAttributeMgr,
getter_AddRefs(displayAttributeMgr));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!displayAttributeMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetDisplayAttributeMgr() FAILED to create "
"a display attribute manager instance, hr=0x%08X", hr));
return nullptr;
}
sDisplayAttrMgr = displayAttributeMgr;
return displayAttributeMgr.forget();
}
// static
already_AddRefed<ITfCategoryMgr>
TSFTextStore::GetCategoryMgr()
{
RefPtr<ITfCategoryMgr> categoryMgr;
if (sCategoryMgr) {
categoryMgr = sCategoryMgr;
return categoryMgr.forget();
}
HRESULT hr =
::CoCreateInstance(CLSID_TF_CategoryMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfCategoryMgr,
getter_AddRefs(categoryMgr));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!categoryMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetCategoryMgr() FAILED to create "
"a category manager instance, hr=0x%08X", hr));
return nullptr;
}
sCategoryMgr = categoryMgr;
return categoryMgr.forget();
}
// static
already_AddRefed<ITfCompartment>
TSFTextStore::GetCompartmentForOpenClose()
{
if (sCompartmentForOpenClose) {
RefPtr<ITfCompartment> compartment = sCompartmentForOpenClose;
return compartment.forget();
}
if (!sThreadMgr) {
return nullptr;
}
RefPtr<ITfCompartmentMgr> compartmentMgr;
HRESULT hr = sThreadMgr->QueryInterface(IID_ITfCompartmentMgr,
getter_AddRefs(compartmentMgr));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!compartmentMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetCompartmentForOpenClose() FAILED due to"
"sThreadMgr not having ITfCompartmentMgr, hr=0x%08X", hr));
return nullptr;
}
RefPtr<ITfCompartment> compartment;
hr = compartmentMgr->GetCompartment(GUID_COMPARTMENT_KEYBOARD_OPENCLOSE,
getter_AddRefs(compartment));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!compartment)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetCompartmentForOpenClose() FAILED due to"
"ITfCompartmentMgr::GetCompartment() failuere, hr=0x%08X", hr));
return nullptr;
}
sCompartmentForOpenClose = compartment;
return compartment.forget();
}
// static
already_AddRefed<ITfInputProcessorProfiles>
TSFTextStore::GetInputProcessorProfiles()
{
RefPtr<ITfInputProcessorProfiles> inputProcessorProfiles;
if (sInputProcessorProfiles) {
inputProcessorProfiles = sInputProcessorProfiles;
return inputProcessorProfiles.forget();
}
// XXX MSDN documents that ITfInputProcessorProfiles is available only on
// desktop apps. However, there is no known way to obtain
// ITfInputProcessorProfileMgr instance without ITfInputProcessorProfiles
// instance.
HRESULT hr =
::CoCreateInstance(CLSID_TF_InputProcessorProfiles, nullptr,
CLSCTX_INPROC_SERVER,
IID_ITfInputProcessorProfiles,
getter_AddRefs(inputProcessorProfiles));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!inputProcessorProfiles)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::GetInputProcessorProfiles() FAILED to create input "
"processor profiles, hr=0x%08X", hr));
return nullptr;
}
sInputProcessorProfiles = inputProcessorProfiles;
return inputProcessorProfiles.forget();
}
// static
void
TSFTextStore::Terminate()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info, ("TSFTextStore::Terminate()"));
TSFStaticSink::Shutdown();
sDisplayAttrMgr = nullptr;
sCategoryMgr = nullptr;
sEnabledTextStore = nullptr;
sDisabledDocumentMgr = nullptr;
sDisabledContext = nullptr;
sCompartmentForOpenClose = nullptr;
sInputProcessorProfiles = nullptr;
sClientId = 0;
if (sThreadMgr) {
sThreadMgr->Deactivate();
sThreadMgr = nullptr;
sMessagePump = nullptr;
sKeystrokeMgr = nullptr;
}
}
// static
bool
TSFTextStore::ProcessRawKeyMessage(const MSG& aMsg)
{
if (!sThreadMgr) {
return false; // not in TSF mode
}
static bool sInitialized = false;
if (!sKeystrokeMgr) {
// If it tried to retrieve ITfKeystrokeMgr from sThreadMgr but it failed,
// we shouldn't retry it at every keydown nor keyup due to performance
// reason. Although this shouldn't occur actually.
if (sInitialized) {
return false;
}
sInitialized = true;
RefPtr<ITfKeystrokeMgr> keystrokeMgr;
HRESULT hr = sThreadMgr->QueryInterface(IID_ITfKeystrokeMgr,
getter_AddRefs(keystrokeMgr));
if (NS_WARN_IF(FAILED(hr)) || NS_WARN_IF(!keystrokeMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::ProcessRawKeyMessage() FAILED to "
"QI keystroke manager from the thread manager, hr=0x%08X", hr));
return false;
}
sKeystrokeMgr = keystrokeMgr.forget();
}
if (aMsg.message == WM_KEYDOWN) {
BOOL eaten;
RefPtr<ITfKeystrokeMgr> keystrokeMgr = sKeystrokeMgr;
HRESULT hr = keystrokeMgr->TestKeyDown(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !sKeystrokeMgr || !eaten) {
return false;
}
RefPtr<TSFTextStore> textStore(sEnabledTextStore);
if (textStore) {
textStore->OnStartToHandleKeyMessage();
}
hr = keystrokeMgr->KeyDown(aMsg.wParam, aMsg.lParam, &eaten);
if (textStore) {
textStore->OnEndHandlingKeyMessage();
}
return SUCCEEDED(hr) && (eaten || !sKeystrokeMgr);
}
if (aMsg.message == WM_KEYUP) {
BOOL eaten;
RefPtr<ITfKeystrokeMgr> keystrokeMgr = sKeystrokeMgr;
HRESULT hr = keystrokeMgr->TestKeyUp(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !sKeystrokeMgr || !eaten) {
return false;
}
RefPtr<TSFTextStore> textStore(sEnabledTextStore);
if (textStore) {
textStore->OnStartToHandleKeyMessage();
}
hr = keystrokeMgr->KeyUp(aMsg.wParam, aMsg.lParam, &eaten);
if (textStore) {
textStore->OnEndHandlingKeyMessage();
}
return SUCCEEDED(hr) && (eaten || !sKeystrokeMgr);
}
return false;
}
// static
void
TSFTextStore::ProcessMessage(nsWindowBase* aWindow,
UINT aMessage,
WPARAM& aWParam,
LPARAM& aLParam,
MSGResult& aResult)
{
switch (aMessage) {
case WM_IME_SETCONTEXT:
// If a windowless plugin had focus and IME was handled on it, composition
// window was set the position. After that, even in TSF mode, WinXP keeps
// to use composition window at the position if the active IME is not
// aware TSF. For avoiding this issue, we need to hide the composition
// window here.
if (aWParam) {
aLParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
}
break;
case WM_ENTERIDLE:
// When an modal dialog such as a file picker is open, composition
// should be committed because IME might be used on it.
if (!IsComposingOn(aWindow)) {
break;
}
CommitComposition(false);
break;
case MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE: {
TSFTextStore* maybeTextStore = reinterpret_cast<TSFTextStore*>(aWParam);
if (maybeTextStore == sEnabledTextStore) {
RefPtr<TSFTextStore> textStore(maybeTextStore);
textStore->NotifyTSFOfLayoutChangeAgain();
}
break;
}
}
}
// static
bool
TSFTextStore::IsIMM_IMEActive()
{
return TSFStaticSink::IsIMM_IMEActive();
}
// static
bool
TSFTextStore::IsMSJapaneseIMEActive()
{
return TSFStaticSink::IsMSJapaneseIMEActive();
}
// static
bool
TSFTextStore::IsGoogleJapaneseInputActive()
{
return TSFStaticSink::IsGoogleJapaneseInputActive();
}
/******************************************************************/
/* TSFTextStore::Composition */
/******************************************************************/
void
TSFTextStore::Composition::Start(ITfCompositionView* aCompositionView,
LONG aCompositionStartOffset,
const nsAString& aCompositionString)
{
mView = aCompositionView;
mString = aCompositionString;
mStart = aCompositionStartOffset;
}
void
TSFTextStore::Composition::End()
{
mView = nullptr;
mString.Truncate();
}
/******************************************************************************
* TSFTextStore::Content
*****************************************************************************/
const nsDependentSubstring
TSFTextStore::Content::GetSelectedText() const
{
MOZ_ASSERT(mInitialized);
return GetSubstring(static_cast<uint32_t>(mSelection.StartOffset()),
static_cast<uint32_t>(mSelection.Length()));
}
const nsDependentSubstring
TSFTextStore::Content::GetSubstring(uint32_t aStart, uint32_t aLength) const
{
MOZ_ASSERT(mInitialized);
return nsDependentSubstring(mText, aStart, aLength);
}
void
TSFTextStore::Content::ReplaceSelectedTextWith(const nsAString& aString)
{
MOZ_ASSERT(mInitialized);
ReplaceTextWith(mSelection.StartOffset(), mSelection.Length(), aString);
}
inline uint32_t
FirstDifferentCharOffset(const nsAString& aStr1, const nsAString& aStr2)
{
MOZ_ASSERT(aStr1 != aStr2);
uint32_t i = 0;
uint32_t minLength = std::min(aStr1.Length(), aStr2.Length());
for (; i < minLength && aStr1[i] == aStr2[i]; i++) {
/* nothing to do */
}
return i;
}
void
TSFTextStore::Content::ReplaceTextWith(LONG aStart,
LONG aLength,
const nsAString& aReplaceString)
{
MOZ_ASSERT(mInitialized);
const nsDependentSubstring replacedString =
GetSubstring(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength));
if (aReplaceString != replacedString) {
uint32_t firstDifferentOffset = mMinTextModifiedOffset;
if (mComposition.IsComposing()) {
// Emulate text insertion during compositions, because during a
// composition, editor expects the whole composition string to
// be sent in eCompositionChange, not just the inserted part.
// The actual eCompositionChange will be sent in SetSelection
// or OnUpdateComposition.
MOZ_ASSERT(aStart >= mComposition.mStart);
MOZ_ASSERT(aStart + aLength <= mComposition.EndOffset());
mComposition.mString.Replace(
static_cast<uint32_t>(aStart - mComposition.mStart),
static_cast<uint32_t>(aLength), aReplaceString);
// TIP may set composition string twice or more times during a document
// lock. Therefore, we should compute the first difference offset with
// mLastCompositionString.
if (mComposition.mString != mLastCompositionString) {
firstDifferentOffset =
mComposition.mStart +
FirstDifferentCharOffset(mComposition.mString,
mLastCompositionString);
// The previous change to the composition string is canceled.
if (mMinTextModifiedOffset >=
static_cast<uint32_t>(mComposition.mStart) &&
mMinTextModifiedOffset < firstDifferentOffset) {
mMinTextModifiedOffset = firstDifferentOffset;
}
} else if (mMinTextModifiedOffset >=
static_cast<uint32_t>(mComposition.mStart) &&
mMinTextModifiedOffset <
static_cast<uint32_t>(mComposition.EndOffset())) {
// The previous change to the composition string is canceled.
mMinTextModifiedOffset = firstDifferentOffset =
mComposition.EndOffset();
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::Content::ReplaceTextWith(aStart=%d, "
"aLength=%d, aReplaceString=\"%s\"), mComposition={ mStart=%d, "
"mString=\"%s\" }, mLastCompositionString=\"%s\", "
"mMinTextModifiedOffset=%u, firstDifferentOffset=%u",
this, aStart, aLength, GetEscapedUTF8String(aReplaceString).get(),
mComposition.mStart, GetEscapedUTF8String(mComposition.mString).get(),
GetEscapedUTF8String(mLastCompositionString).get(),
mMinTextModifiedOffset, firstDifferentOffset));
} else {
firstDifferentOffset =
static_cast<uint32_t>(aStart) +
FirstDifferentCharOffset(aReplaceString, replacedString);
}
mMinTextModifiedOffset =
std::min(mMinTextModifiedOffset, firstDifferentOffset);
mText.Replace(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength), aReplaceString);
}
// Selection should be collapsed at the end of the inserted string.
mSelection.CollapseAt(
static_cast<uint32_t>(aStart) + aReplaceString.Length());
}
void
TSFTextStore::Content::StartComposition(ITfCompositionView* aCompositionView,
const PendingAction& aCompStart,
bool aPreserveSelection)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(aCompositionView);
MOZ_ASSERT(!mComposition.mView);
MOZ_ASSERT(aCompStart.mType == PendingAction::COMPOSITION_START);
mComposition.Start(aCompositionView, aCompStart.mSelectionStart,
GetSubstring(static_cast<uint32_t>(aCompStart.mSelectionStart),
static_cast<uint32_t>(aCompStart.mSelectionLength)));
if (!aPreserveSelection) {
// XXX Do we need to set a new writing-mode here when setting a new
// selection? Currently, we just preserve the existing value.
mSelection.SetSelection(mComposition.mStart, mComposition.mString.Length(),
false, mSelection.GetWritingMode());
}
}
void
TSFTextStore::Content::RestoreCommittedComposition(
ITfCompositionView* aCompositionView,
const PendingAction& aPendingCompositionStart,
const PendingAction& aCanceledCompositionEnd)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(aCompositionView);
MOZ_ASSERT(!mComposition.mView);
MOZ_ASSERT(aPendingCompositionStart.mType ==
PendingAction::COMPOSITION_START);
MOZ_ASSERT(aCanceledCompositionEnd.mType ==
PendingAction::COMPOSITION_END);
MOZ_ASSERT(GetSubstring(
static_cast<uint32_t>(aPendingCompositionStart.mSelectionStart),
static_cast<uint32_t>(aCanceledCompositionEnd.mData.Length())) ==
aCanceledCompositionEnd.mData);
// Restore the committed string as composing string.
mComposition.Start(aCompositionView,
aPendingCompositionStart.mSelectionStart,
aCanceledCompositionEnd.mData);
}
void
TSFTextStore::Content::EndComposition(const PendingAction& aCompEnd)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(mComposition.mView);
MOZ_ASSERT(aCompEnd.mType == PendingAction::COMPOSITION_END);
mSelection.CollapseAt(mComposition.mStart + aCompEnd.mData.Length());
mComposition.End();
}
/******************************************************************************
* TSFTextStore::MouseTracker
*****************************************************************************/
TSFTextStore::MouseTracker::MouseTracker()
: mStart(-1)
, mLength(-1)
, mCookie(kInvalidCookie)
{
}
HRESULT
TSFTextStore::MouseTracker::Init(TSFTextStore* aTextStore)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MouseTracker::Init(aTextStore=0x%p), "
"aTextStore->mMouseTrackers.Length()=%d",
this, aTextStore->mMouseTrackers.Length()));
if (&aTextStore->mMouseTrackers.LastElement() != this) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::Init() FAILED due to "
"this is not the last element of mMouseTrackers", this));
return E_FAIL;
}
if (aTextStore->mMouseTrackers.Length() > kInvalidCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::Init() FAILED due to "
"no new cookie available", this));
return E_FAIL;
}
MOZ_ASSERT(!aTextStore->mMouseTrackers.IsEmpty(),
"This instance must be in TSFTextStore::mMouseTrackers");
mCookie = static_cast<DWORD>(aTextStore->mMouseTrackers.Length() - 1);
return S_OK;
}
HRESULT
TSFTextStore::MouseTracker::AdviseSink(TSFTextStore* aTextStore,
ITfRangeACP* aTextRange,
ITfMouseSink* aMouseSink)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MouseTracker::AdviseSink(aTextStore=0x%p, "
"aTextRange=0x%p, aMouseSink=0x%p), mCookie=%d, mSink=0x%p",
this, aTextStore, aTextRange, aMouseSink, mCookie, mSink.get()));
MOZ_ASSERT(mCookie != kInvalidCookie, "This hasn't been initalized?");
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to already being used", this));
return E_FAIL;
}
HRESULT hr = aTextRange->GetExtent(&mStart, &mLength);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of ITfRangeACP::GetExtent()", this));
return hr;
}
if (mStart < 0 || mLength <= 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to odd result of ITfRangeACP::GetExtent(), "
"mStart=%d, mLength=%d", this, mStart, mLength));
return E_INVALIDARG;
}
nsAutoString textContent;
if (NS_WARN_IF(!aTextStore->GetCurrentText(textContent))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of TSFTextStore::GetCurrentText()", this));
return E_FAIL;
}
if (textContent.Length() <= static_cast<uint32_t>(mStart) ||
textContent.Length() < static_cast<uint32_t>(mStart + mLength)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to out of range, mStart=%d, mLength=%d, "
"textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return E_INVALIDARG;
}
mSink = aMouseSink;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MouseTracker::AdviseMouseSink(), "
"succeeded, mStart=%d, mLength=%d, textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return S_OK;
}
void
TSFTextStore::MouseTracker::UnadviseSink()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MouseTracker::UnadviseSink(), "
"mCookie=%d, mSink=0x%p, mStart=%d, mLength=%d",
this, mCookie, mSink.get(), mStart, mLength));
mSink = nullptr;
mStart = mLength = -1;
}
bool
TSFTextStore::MouseTracker::OnMouseButtonEvent(ULONG aEdge,
ULONG aQuadrant,
DWORD aButtonStatus)
{
MOZ_ASSERT(IsUsing(), "The caller must check before calling OnMouseEvent()");
BOOL eaten = FALSE;
RefPtr<ITfMouseSink> sink = mSink;
HRESULT hr = sink->OnMouseEvent(aEdge, aQuadrant, aButtonStatus, &eaten);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("0x%p TSFTextStore::MouseTracker::OnMouseEvent(aEdge=%d, "
"aQuadrant=%d, aButtonStatus=0x%08X), hr=0x%08X, eaten=%s",
this, aEdge, aQuadrant, aButtonStatus, hr, GetBoolName(!!eaten)));
return SUCCEEDED(hr) && eaten;
}
#ifdef DEBUG
// static
bool
TSFTextStore::CurrentKeyboardLayoutHasIME()
{
RefPtr<ITfInputProcessorProfiles> inputProcessorProfiles =
TSFTextStore::GetInputProcessorProfiles();
if (!inputProcessorProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED due to "
"there is no input processor profiles instance"));
return false;
}
RefPtr<ITfInputProcessorProfileMgr> profileMgr;
HRESULT hr =
inputProcessorProfiles->QueryInterface(IID_ITfInputProcessorProfileMgr,
getter_AddRefs(profileMgr));
if (FAILED(hr) || !profileMgr) {
// On Windows Vista or later, ImmIsIME() API always returns true.
// If we failed to obtain the profile manager, we cannot know if current
// keyboard layout has IME.
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED to query "
"ITfInputProcessorProfileMgr"));
return false;
}
TF_INPUTPROCESSORPROFILE profile;
hr = profileMgr->GetActiveProfile(GUID_TFCAT_TIP_KEYBOARD, &profile);
if (hr == S_FALSE) {
return false; // not found or not active
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
(" TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED to retreive "
"active profile"));
return false;
}
return (profile.dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR);
}
#endif // #ifdef DEBUG
} // name widget
} // name mozilla
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