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fune/widget/android/nsLookAndFeel.cpp

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/* -*- Mode: C++; tab-width: 20; 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/. */
#include "nsStyleConsts.h"
#include "nsXULAppAPI.h"
#include "nsLookAndFeel.h"
#include "Theme.h"
#include "gfxFont.h"
#include "gfxFontConstants.h"
#include "mozilla/FontPropertyTypes.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/Preferences.h"
#include "mozilla/StaticPrefs_widget.h"
#include "mozilla/java/GeckoAppShellWrappers.h"
#include "mozilla/java/GeckoRuntimeWrappers.h"
#include "mozilla/java/GeckoSystemStateListenerWrappers.h"
#include "ThemeColors.h"
using namespace mozilla;
using namespace mozilla::widget;
static const char16_t UNICODE_BULLET = 0x2022;
nsLookAndFeel::nsLookAndFeel() = default;
nsLookAndFeel::~nsLookAndFeel() = default;
nsresult nsLookAndFeel::GetSystemColors() {
if (!jni::IsAvailable()) {
return NS_ERROR_FAILURE;
}
auto arr = java::GeckoAppShell::GetSystemColors();
if (!arr) {
return NS_ERROR_FAILURE;
}
JNIEnv* const env = arr.Env();
uint32_t len = static_cast<uint32_t>(env->GetArrayLength(arr.Get()));
jint* elements = env->GetIntArrayElements(arr.Get(), 0);
uint32_t colorsCount = sizeof(AndroidSystemColors) / sizeof(nscolor);
if (len < colorsCount) colorsCount = len;
// Convert Android colors to nscolor by switching R and B in the ARGB 32 bit
// value
nscolor* colors = (nscolor*)&mSystemColors;
for (uint32_t i = 0; i < colorsCount; i++) {
uint32_t androidColor = static_cast<uint32_t>(elements[i]);
uint8_t r = (androidColor & 0x00ff0000) >> 16;
uint8_t b = (androidColor & 0x000000ff);
colors[i] = (androidColor & 0xff00ff00) | (b << 16) | r;
}
env->ReleaseIntArrayElements(arr.Get(), elements, 0);
return NS_OK;
}
void nsLookAndFeel::NativeInit() {
EnsureInitSystemColors();
EnsureInitShowPassword();
RecordTelemetry();
}
void nsLookAndFeel::RefreshImpl() {
mInitializedSystemColors = false;
mInitializedShowPassword = false;
nsXPLookAndFeel::RefreshImpl();
}
nsresult nsLookAndFeel::NativeGetColor(ColorID aID, ColorScheme aColorScheme,
nscolor& aColor) {
EnsureInitSystemColors();
if (!mInitializedSystemColors) {
// Failure to initialize colors is an error condition. Return black.
aColor = 0;
return NS_ERROR_FAILURE;
}
// Highlight/Highlighttext have native equivalents that we can map to (on
// Android) which should work fine, regardless of the color-scheme.
switch (aID) {
case ColorID::Highlight: {
// Matched to action_accent in java codebase. This works fine with both
// light and dark color scheme.
nscolor accent =
Color(ColorID::Accentcolor, aColorScheme, UseStandins::No);
aColor =
NS_RGBA(NS_GET_R(accent), NS_GET_G(accent), NS_GET_B(accent), 78);
return NS_OK;
}
case ColorID::Highlighttext:
// Selection background is transparent enough that any foreground color
// will do.
aColor = NS_SAME_AS_FOREGROUND_COLOR;
return NS_OK;
default:
break;
}
if (aColorScheme == ColorScheme::Dark) {
if (auto darkColor = GenericDarkColor(aID)) {
aColor = *darkColor;
return NS_OK;
}
}
// XXX we'll want to use context.obtainStyledAttributes on the java side to
// get all of these; see TextView.java for a good example.
auto UseNativeAccent = [this] {
return mSystemColors.colorAccent &&
StaticPrefs::widget_non_native_theme_use_theme_accent();
};
switch (aID) {
// These colors don't seem to be used for anything anymore in Mozilla
// The CSS2 colors below are used.
case ColorID::ThemedScrollbarThumbInactive:
case ColorID::ThemedScrollbarThumb:
// We don't need to care about the Active and Hover colors because Android
// scrollbars can't be hovered (they always have pointer-events: none).
aColor = NS_RGBA(119, 119, 119, 102);
break;
case ColorID::IMESelectedRawTextBackground:
case ColorID::IMESelectedConvertedTextBackground:
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::IMESelectedRawTextForeground:
case ColorID::IMESelectedConvertedTextForeground:
aColor = mSystemColors.textColorPrimaryInverse;
break;
case ColorID::IMERawInputBackground:
case ColorID::IMEConvertedTextBackground:
aColor = NS_TRANSPARENT;
break;
case ColorID::IMERawInputForeground:
case ColorID::IMEConvertedTextForeground:
case ColorID::IMERawInputUnderline:
case ColorID::IMEConvertedTextUnderline:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
break;
case ColorID::IMESelectedRawTextUnderline:
case ColorID::IMESelectedConvertedTextUnderline:
aColor = NS_TRANSPARENT;
break;
// css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
case ColorID::Activeborder: // active window border
case ColorID::Appworkspace: // MDI background color
case ColorID::Activecaption: // active window caption background
case ColorID::Background: // desktop background
case ColorID::Inactiveborder: // inactive window border
case ColorID::Inactivecaption: // inactive window caption
case ColorID::Scrollbar: // scrollbar gray area
aColor = mSystemColors.colorBackground;
break;
case ColorID::Graytext: // disabled text in windows, menus, etc.
aColor = NS_RGB(0xb1, 0xa5, 0x98);
break;
// FIXME: -moz-cellhighlight should show some kind of unfocused state.
case ColorID::MozCellhighlight:
case ColorID::Selecteditem:
case ColorID::Accentcolor:
aColor = UseNativeAccent() ? mSystemColors.colorAccent
: GetStandinForNativeColor(
ColorID::Accentcolor, aColorScheme);
break;
case ColorID::MozCellhighlighttext:
case ColorID::Selecteditemtext:
case ColorID::Accentcolortext:
aColor = UseNativeAccent() ? ThemeColors::ComputeCustomAccentForeground(
mSystemColors.colorAccent)
: GetStandinForNativeColor(
ColorID::Accentcolortext, aColorScheme);
break;
case ColorID::Fieldtext:
aColor = NS_RGB(0x1a, 0x1a, 0x1a);
break;
case ColorID::Inactivecaptiontext:
// text in inactive window caption
aColor = mSystemColors.textColorTertiary;
break;
case ColorID::Infobackground:
aColor = NS_RGB(0xf5, 0xf5, 0xb5);
break;
case ColorID::Infotext:
case ColorID::Threeddarkshadow: // 3-D shadow outer edge color
aColor = NS_RGB(0x00, 0x00, 0x00);
break;
case ColorID::Menu:
aColor = NS_RGB(0xf7, 0xf5, 0xf3);
break;
case ColorID::Buttonface:
case ColorID::MozButtondisabledface:
case ColorID::Threedface:
case ColorID::Threedlightshadow:
case ColorID::Buttonborder:
case ColorID::MozDisabledfield:
aColor = NS_RGB(0xec, 0xe7, 0xe2);
break;
case ColorID::Buttonhighlight:
case ColorID::Field:
case ColorID::Threedhighlight:
case ColorID::MozCombobox:
case ColorID::MozEventreerow:
aColor = NS_RGB(0xff, 0xff, 0xff);
break;
case ColorID::Buttonshadow:
case ColorID::Threedshadow:
aColor = NS_RGB(0xae, 0xa1, 0x94);
break;
case ColorID::MozDialog:
case ColorID::Window:
case ColorID::Windowframe:
aColor = NS_RGB(0xef, 0xeb, 0xe7);
break;
case ColorID::Buttontext:
case ColorID::Captiontext:
case ColorID::Menutext:
case ColorID::MozButtonhovertext:
case ColorID::MozDialogtext:
case ColorID::MozComboboxtext:
case ColorID::Windowtext:
case ColorID::MozColheadertext:
case ColorID::MozColheaderhovertext:
aColor = NS_RGB(0x10, 0x10, 0x10);
break;
case ColorID::MozButtonhoverface:
case ColorID::MozButtonactiveface:
aColor = NS_RGB(0xf3, 0xf0, 0xed);
break;
case ColorID::MozMenuhover:
aColor = NS_RGB(0xee, 0xee, 0xee);
break;
case ColorID::MozMenubarhovertext:
case ColorID::MozMenuhovertext:
aColor = NS_RGB(0x77, 0x77, 0x77);
break;
case ColorID::MozOddtreerow:
aColor = NS_TRANSPARENT;
break;
case ColorID::MozNativehyperlinktext:
aColor = NS_RGB(0, 0, 0xee);
break;
case ColorID::Marktext:
case ColorID::Mark:
case ColorID::SpellCheckerUnderline:
aColor = GetStandinForNativeColor(aID, aColorScheme);
break;
default:
/* default color is BLACK */
aColor = 0;
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult nsLookAndFeel::NativeGetInt(IntID aID, int32_t& aResult) {
nsresult rv = NS_OK;
switch (aID) {
case IntID::ScrollButtonLeftMouseButtonAction:
aResult = 0;
break;
case IntID::ScrollButtonMiddleMouseButtonAction:
case IntID::ScrollButtonRightMouseButtonAction:
aResult = 3;
break;
case IntID::CaretBlinkTime:
aResult = 500;
break;
case IntID::CaretBlinkCount:
aResult = 10;
break;
case IntID::CaretWidth:
aResult = 1;
break;
case IntID::ShowCaretDuringSelection:
aResult = 0;
break;
case IntID::SelectTextfieldsOnKeyFocus:
// Select textfield content when focused by kbd
// used by EventStateManager::sTextfieldSelectModel
aResult = 1;
break;
case IntID::SubmenuDelay:
aResult = 200;
break;
case IntID::TooltipDelay:
aResult = 500;
break;
case IntID::MenusCanOverlapOSBar:
// we want XUL popups to be able to overlap the task bar.
aResult = 1;
break;
case IntID::ScrollArrowStyle:
aResult = eScrollArrowStyle_Single;
break;
case IntID::UseOverlayScrollbars:
aResult = 1;
break;
case IntID::SpellCheckerUnderlineStyle:
aResult = int32_t(StyleTextDecorationStyle::Wavy);
break;
case IntID::ScrollbarButtonAutoRepeatBehavior:
aResult = 0;
break;
case IntID::ContextMenuOffsetVertical:
case IntID::ContextMenuOffsetHorizontal:
aResult = 2;
break;
case IntID::PrefersReducedMotion:
aResult = java::GeckoSystemStateListener::PrefersReducedMotion();
break;
case IntID::PrefersReducedTransparency:
aResult = 0;
break;
case IntID::InvertedColors:
aResult = java::GeckoSystemStateListener::IsInvertedColors();
break;
case IntID::PrimaryPointerCapabilities:
aResult = java::GeckoAppShell::GetAllPointerCapabilities();
// We cannot assume what is primary device, so we use Blink's way for web
// compatibility (https://crbug.com/136119#c6). If having coarse
// capability in any devices, return it.
if (aResult & static_cast<int32_t>(PointerCapabilities::Coarse)) {
aResult = static_cast<int32_t>(PointerCapabilities::Coarse);
}
break;
case IntID::AllPointerCapabilities:
aResult = java::GeckoAppShell::GetAllPointerCapabilities();
break;
case IntID::SystemUsesDarkTheme: {
java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
aResult = runtime && runtime->UsesDarkTheme();
break;
}
case IntID::DragThresholdX:
case IntID::DragThresholdY:
// Threshold where a tap becomes a drag, in 1/240" reference pixels.
aResult = 25;
break;
case IntID::TouchDeviceSupportPresent:
// Touch support is always enabled on android.
aResult = 1;
break;
default:
aResult = 0;
rv = NS_ERROR_FAILURE;
}
return rv;
}
nsresult nsLookAndFeel::NativeGetFloat(FloatID aID, float& aResult) {
nsresult rv = NS_OK;
switch (aID) {
case FloatID::IMEUnderlineRelativeSize:
aResult = 1.0f;
break;
case FloatID::SpellCheckerUnderlineRelativeSize:
aResult = 1.0f;
break;
case FloatID::TextScaleFactor: {
java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
aResult = runtime ? runtime->TextScaleFactor() : 1.0f;
break;
}
default:
aResult = -1.0;
rv = NS_ERROR_FAILURE;
break;
}
return rv;
}
bool nsLookAndFeel::NativeGetFont(FontID aID, nsString& aFontName,
gfxFontStyle& aFontStyle) {
aFontName.AssignLiteral("Roboto");
aFontStyle.style = FontSlantStyle::NORMAL;
aFontStyle.weight = FontWeight::NORMAL;
aFontStyle.stretch = FontStretch::NORMAL;
aFontStyle.size = 9.0 * 96.0f / 72.0f;
aFontStyle.systemFont = true;
return true;
}
bool nsLookAndFeel::GetEchoPasswordImpl() {
EnsureInitShowPassword();
return mShowPassword;
}
uint32_t nsLookAndFeel::GetPasswordMaskDelayImpl() {
// This value is hard-coded in Android OS's PasswordTransformationMethod.java
return 1500;
}
char16_t nsLookAndFeel::GetPasswordCharacterImpl() {
// This value is hard-coded in Android OS's PasswordTransformationMethod.java
return UNICODE_BULLET;
}
void nsLookAndFeel::EnsureInitSystemColors() {
if (!mInitializedSystemColors) {
mInitializedSystemColors = NS_SUCCEEDED(GetSystemColors());
}
}
void nsLookAndFeel::EnsureInitShowPassword() {
if (!mInitializedShowPassword && jni::IsAvailable()) {
mShowPassword = java::GeckoAppShell::GetShowPasswordSetting();
mInitializedShowPassword = true;
}
}
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