mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-04 02:09:05 +02:00
a3c3d074ca
Consume transient user activation when showing file/color picker at any time. Do not open if there is no transent user activation. Fixed various internal tests broken by this change. Spec PR: https://github.com/whatwg/html/pull/10344 Differential Revision: https://phabricator.services.mozilla.com/D201096
1661 lines
54 KiB
C++
1661 lines
54 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "mozilla/dom/HTMLSelectElement.h"
|
|
|
|
#include "mozAutoDocUpdate.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/BasicEvents.h"
|
|
#include "mozilla/EventDispatcher.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/FormData.h"
|
|
#include "mozilla/dom/HTMLOptGroupElement.h"
|
|
#include "mozilla/dom/HTMLOptionElement.h"
|
|
#include "mozilla/dom/HTMLSelectElementBinding.h"
|
|
#include "mozilla/dom/UnionTypes.h"
|
|
#include "mozilla/dom/WindowGlobalChild.h"
|
|
#include "mozilla/MappedDeclarationsBuilder.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/Unused.h"
|
|
#include "nsContentCreatorFunctions.h"
|
|
#include "nsContentList.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsError.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsComboboxControlFrame.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "nsIFormControlFrame.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsListControlFrame.h"
|
|
#include "nsISelectControlFrame.h"
|
|
#include "nsLayoutUtils.h"
|
|
#include "mozilla/PresState.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsTextNode.h"
|
|
|
|
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Select)
|
|
|
|
namespace mozilla::dom {
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// SafeOptionListMutation
|
|
//
|
|
|
|
SafeOptionListMutation::SafeOptionListMutation(nsIContent* aSelect,
|
|
nsIContent* aParent,
|
|
nsIContent* aKid,
|
|
uint32_t aIndex, bool aNotify)
|
|
: mSelect(HTMLSelectElement::FromNodeOrNull(aSelect)),
|
|
mTopLevelMutation(false),
|
|
mNeedsRebuild(false),
|
|
mNotify(aNotify) {
|
|
if (mSelect) {
|
|
mInitialSelectedOption = mSelect->Item(mSelect->SelectedIndex());
|
|
mTopLevelMutation = !mSelect->mMutating;
|
|
if (mTopLevelMutation) {
|
|
mSelect->mMutating = true;
|
|
} else {
|
|
// This is very unfortunate, but to handle mutation events properly,
|
|
// option list must be up-to-date before inserting or removing options.
|
|
// Fortunately this is called only if mutation event listener
|
|
// adds or removes options.
|
|
mSelect->RebuildOptionsArray(mNotify);
|
|
}
|
|
nsresult rv;
|
|
if (aKid) {
|
|
rv = mSelect->WillAddOptions(aKid, aParent, aIndex, mNotify);
|
|
} else {
|
|
rv = mSelect->WillRemoveOptions(aParent, aIndex, mNotify);
|
|
}
|
|
mNeedsRebuild = NS_FAILED(rv);
|
|
}
|
|
}
|
|
|
|
SafeOptionListMutation::~SafeOptionListMutation() {
|
|
if (mSelect) {
|
|
if (mNeedsRebuild || (mTopLevelMutation && mGuard.Mutated(1))) {
|
|
mSelect->RebuildOptionsArray(true);
|
|
}
|
|
if (mTopLevelMutation) {
|
|
mSelect->mMutating = false;
|
|
}
|
|
if (mSelect->Item(mSelect->SelectedIndex()) != mInitialSelectedOption) {
|
|
// We must have triggered the SelectSomething() codepath, which can cause
|
|
// our validity to change. Unfortunately, our attempt to update validity
|
|
// in that case may not have worked correctly, because we actually call it
|
|
// before we have inserted the new <option>s into the DOM! Go ahead and
|
|
// update validity here as needed, because by now we know our <option>s
|
|
// are where they should be.
|
|
mSelect->UpdateValueMissingValidityState();
|
|
mSelect->UpdateValidityElementStates(mNotify);
|
|
}
|
|
#ifdef DEBUG
|
|
mSelect->VerifyOptionsArray();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// HTMLSelectElement
|
|
//
|
|
|
|
// construction, destruction
|
|
|
|
HTMLSelectElement::HTMLSelectElement(
|
|
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
|
|
FromParser aFromParser)
|
|
: nsGenericHTMLFormControlElementWithState(
|
|
std::move(aNodeInfo), aFromParser, FormControlType::Select),
|
|
mOptions(new HTMLOptionsCollection(this)),
|
|
mAutocompleteAttrState(nsContentUtils::eAutocompleteAttrState_Unknown),
|
|
mAutocompleteInfoState(nsContentUtils::eAutocompleteAttrState_Unknown),
|
|
mIsDoneAddingChildren(!aFromParser),
|
|
mDisabledChanged(false),
|
|
mMutating(false),
|
|
mInhibitStateRestoration(!!(aFromParser & FROM_PARSER_FRAGMENT)),
|
|
mUserInteracted(false),
|
|
mDefaultSelectionSet(false),
|
|
mIsOpenInParentProcess(false),
|
|
mNonOptionChildren(0),
|
|
mOptGroupCount(0),
|
|
mSelectedIndex(-1) {
|
|
SetHasWeirdParserInsertionMode();
|
|
|
|
// DoneAddingChildren() will be called later if it's from the parser,
|
|
// otherwise it is
|
|
|
|
// Set up our default state: enabled, optional, and valid.
|
|
AddStatesSilently(ElementState::ENABLED | ElementState::OPTIONAL_ |
|
|
ElementState::VALID);
|
|
}
|
|
|
|
// ISupports
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLSelectElement)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(
|
|
HTMLSelectElement, nsGenericHTMLFormControlElementWithState)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOptions)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSelectedOptions)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(
|
|
HTMLSelectElement, nsGenericHTMLFormControlElementWithState)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSelectedOptions)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(
|
|
HTMLSelectElement, nsGenericHTMLFormControlElementWithState,
|
|
nsIConstraintValidation)
|
|
|
|
// nsIDOMHTMLSelectElement
|
|
|
|
NS_IMPL_ELEMENT_CLONE(HTMLSelectElement)
|
|
|
|
void HTMLSelectElement::SetCustomValidity(const nsAString& aError) {
|
|
ConstraintValidation::SetCustomValidity(aError);
|
|
UpdateValidityElementStates(true);
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/input.html#dom-input-showpicker
|
|
void HTMLSelectElement::ShowPicker(ErrorResult& aRv) {
|
|
// Step 1. If this is not mutable, then throw an "InvalidStateError"
|
|
// DOMException.
|
|
if (IsDisabled()) {
|
|
return aRv.ThrowInvalidStateError("This select is disabled.");
|
|
}
|
|
|
|
// Step 2. If this's relevant settings object's origin is not same origin with
|
|
// this's relevant settings object's top-level origin, and this is a select
|
|
// element, [...], then throw a "SecurityError" DOMException.
|
|
nsPIDOMWindowInner* window = OwnerDoc()->GetInnerWindow();
|
|
WindowGlobalChild* windowGlobalChild =
|
|
window ? window->GetWindowGlobalChild() : nullptr;
|
|
if (!windowGlobalChild || !windowGlobalChild->SameOriginWithTop()) {
|
|
return aRv.ThrowSecurityError(
|
|
"Call was blocked because the current origin isn't same-origin with "
|
|
"top.");
|
|
}
|
|
|
|
// Step 3. If this's relevant global object does not have transient
|
|
// activation, then throw a "NotAllowedError" DOMException.
|
|
if (!OwnerDoc()->HasValidTransientUserGestureActivation()) {
|
|
return aRv.ThrowNotAllowedError(
|
|
"Call was blocked due to lack of user activation.");
|
|
}
|
|
|
|
// Step 4. If this is a select element, and this is not being rendered, then
|
|
// throw a "NotSupportedError" DOMException.
|
|
|
|
// Flush frames so that IsRendered returns up-to-date results.
|
|
Unused << GetPrimaryFrame(FlushType::Frames);
|
|
if (!IsRendered()) {
|
|
return aRv.ThrowNotSupportedError("This select isn't being rendered.");
|
|
}
|
|
|
|
// Step 5. Show the picker, if applicable, for this.
|
|
// https://html.spec.whatwg.org/multipage/input.html#show-the-picker,-if-applicable
|
|
// To show the picker, if applicable for an input element element:
|
|
// We already checked if mutable and user activation earlier, so skip 1 & 2.
|
|
|
|
// Step 3. Consume user activation given element's relevant global object.
|
|
OwnerDoc()->ConsumeTransientUserGestureActivation();
|
|
|
|
// Step 5. Otherwise, the user agent should show any relevant user interface
|
|
// for selecting a value for element, in the way it normally would when the
|
|
// user interacts with the control.
|
|
#if !defined(ANDROID)
|
|
if (!IsCombobox()) {
|
|
return;
|
|
}
|
|
#endif
|
|
if (!OpenInParentProcess()) {
|
|
RefPtr<Document> doc = OwnerDoc();
|
|
nsContentUtils::DispatchChromeEvent(doc, this, u"mozshowdropdown"_ns,
|
|
CanBubble::eYes, Cancelable::eNo);
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::GetAutocomplete(DOMString& aValue) {
|
|
const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
|
|
|
|
mAutocompleteAttrState = nsContentUtils::SerializeAutocompleteAttribute(
|
|
attributeVal, aValue, mAutocompleteAttrState);
|
|
}
|
|
|
|
void HTMLSelectElement::GetAutocompleteInfo(AutocompleteInfo& aInfo) {
|
|
const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
|
|
mAutocompleteInfoState = nsContentUtils::SerializeAutocompleteAttribute(
|
|
attributeVal, aInfo, mAutocompleteInfoState, true);
|
|
}
|
|
|
|
void HTMLSelectElement::InsertChildBefore(nsIContent* aKid,
|
|
nsIContent* aBeforeThis, bool aNotify,
|
|
ErrorResult& aRv) {
|
|
const uint32_t index =
|
|
aBeforeThis ? *ComputeIndexOf(aBeforeThis) : GetChildCount();
|
|
SafeOptionListMutation safeMutation(this, this, aKid, index, aNotify);
|
|
nsGenericHTMLFormControlElementWithState::InsertChildBefore(aKid, aBeforeThis,
|
|
aNotify, aRv);
|
|
if (aRv.Failed()) {
|
|
safeMutation.MutationFailed();
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::RemoveChildNode(nsIContent* aKid, bool aNotify) {
|
|
SafeOptionListMutation safeMutation(this, this, nullptr,
|
|
*ComputeIndexOf(aKid), aNotify);
|
|
nsGenericHTMLFormControlElementWithState::RemoveChildNode(aKid, aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::InsertOptionsIntoList(nsIContent* aOptions,
|
|
int32_t aListIndex,
|
|
int32_t aDepth, bool aNotify) {
|
|
MOZ_ASSERT(aDepth == 0 || aDepth == 1);
|
|
int32_t insertIndex = aListIndex;
|
|
|
|
HTMLOptionElement* optElement = HTMLOptionElement::FromNode(aOptions);
|
|
if (optElement) {
|
|
mOptions->InsertOptionAt(optElement, insertIndex);
|
|
insertIndex++;
|
|
} else if (aDepth == 0) {
|
|
// If it's at the top level, then we just found out there are non-options
|
|
// at the top level, which will throw off the insert count
|
|
mNonOptionChildren++;
|
|
|
|
// Deal with optgroups
|
|
if (aOptions->IsHTMLElement(nsGkAtoms::optgroup)) {
|
|
mOptGroupCount++;
|
|
|
|
for (nsIContent* child = aOptions->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
optElement = HTMLOptionElement::FromNode(child);
|
|
if (optElement) {
|
|
mOptions->InsertOptionAt(optElement, insertIndex);
|
|
insertIndex++;
|
|
}
|
|
}
|
|
}
|
|
} // else ignore even if optgroup; we want to ignore nested optgroups.
|
|
|
|
// Deal with the selected list
|
|
if (insertIndex - aListIndex) {
|
|
// Fix the currently selected index
|
|
if (aListIndex <= mSelectedIndex) {
|
|
mSelectedIndex += (insertIndex - aListIndex);
|
|
OnSelectionChanged();
|
|
}
|
|
|
|
// Get the frame stuff for notification. No need to flush here
|
|
// since if there's no frame for the select yet the select will
|
|
// get into the right state once it's created.
|
|
nsISelectControlFrame* selectFrame = nullptr;
|
|
AutoWeakFrame weakSelectFrame;
|
|
bool didGetFrame = false;
|
|
|
|
// Actually select the options if the added options warrant it
|
|
for (int32_t i = aListIndex; i < insertIndex; i++) {
|
|
// Notify the frame that the option is added
|
|
if (!didGetFrame || (selectFrame && !weakSelectFrame.IsAlive())) {
|
|
selectFrame = GetSelectFrame();
|
|
weakSelectFrame = do_QueryFrame(selectFrame);
|
|
didGetFrame = true;
|
|
}
|
|
|
|
if (selectFrame) {
|
|
selectFrame->AddOption(i);
|
|
}
|
|
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
if (option && option->Selected()) {
|
|
// Clear all other options
|
|
if (!HasAttr(nsGkAtoms::multiple)) {
|
|
OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify,
|
|
OptionFlag::InsertingOptions};
|
|
SetOptionsSelectedByIndex(i, i, mask);
|
|
}
|
|
|
|
// This is sort of a hack ... we need to notify that the option was
|
|
// set and change selectedIndex even though we didn't really change
|
|
// its value.
|
|
OnOptionSelected(selectFrame, i, true, false, aNotify);
|
|
}
|
|
}
|
|
|
|
CheckSelectSomething(aNotify);
|
|
}
|
|
}
|
|
|
|
nsresult HTMLSelectElement::RemoveOptionsFromList(nsIContent* aOptions,
|
|
int32_t aListIndex,
|
|
int32_t aDepth,
|
|
bool aNotify) {
|
|
MOZ_ASSERT(aDepth == 0 || aDepth == 1);
|
|
int32_t numRemoved = 0;
|
|
|
|
HTMLOptionElement* optElement = HTMLOptionElement::FromNode(aOptions);
|
|
if (optElement) {
|
|
if (mOptions->ItemAsOption(aListIndex) != optElement) {
|
|
NS_ERROR("wrong option at index");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
mOptions->RemoveOptionAt(aListIndex);
|
|
numRemoved++;
|
|
} else if (aDepth == 0) {
|
|
// Yay, one less artifact at the top level.
|
|
mNonOptionChildren--;
|
|
|
|
// Recurse down deeper for options
|
|
if (mOptGroupCount && aOptions->IsHTMLElement(nsGkAtoms::optgroup)) {
|
|
mOptGroupCount--;
|
|
|
|
for (nsIContent* child = aOptions->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
optElement = HTMLOptionElement::FromNode(child);
|
|
if (optElement) {
|
|
if (mOptions->ItemAsOption(aListIndex) != optElement) {
|
|
NS_ERROR("wrong option at index");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
mOptions->RemoveOptionAt(aListIndex);
|
|
numRemoved++;
|
|
}
|
|
}
|
|
}
|
|
} // else don't check for an optgroup; we want to ignore nested optgroups
|
|
|
|
if (numRemoved) {
|
|
// Tell the widget we removed the options
|
|
nsISelectControlFrame* selectFrame = GetSelectFrame();
|
|
if (selectFrame) {
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
for (int32_t i = aListIndex; i < aListIndex + numRemoved; ++i) {
|
|
selectFrame->RemoveOption(i);
|
|
}
|
|
}
|
|
|
|
// Fix the selected index
|
|
if (aListIndex <= mSelectedIndex) {
|
|
if (mSelectedIndex < (aListIndex + numRemoved)) {
|
|
// aListIndex <= mSelectedIndex < aListIndex+numRemoved
|
|
// Find a new selected index if it was one of the ones removed.
|
|
// If this is a Combobox, no other Item will be selected.
|
|
if (IsCombobox()) {
|
|
mSelectedIndex = -1;
|
|
OnSelectionChanged();
|
|
} else {
|
|
FindSelectedIndex(aListIndex, aNotify);
|
|
}
|
|
} else {
|
|
// Shift the selected index if something in front of it was removed
|
|
// aListIndex+numRemoved <= mSelectedIndex
|
|
mSelectedIndex -= numRemoved;
|
|
OnSelectionChanged();
|
|
}
|
|
}
|
|
|
|
// Select something in case we removed the selected option on a
|
|
// single select
|
|
if (!CheckSelectSomething(aNotify) && mSelectedIndex == -1) {
|
|
// Update the validity state in case of we've just removed the last
|
|
// option.
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXXldb Doing the processing before the content nodes have been added
|
|
// to the document (as the name of this function seems to require, and
|
|
// as the callers do), is highly unusual. Passing around unparented
|
|
// content to other parts of the app can make those things think the
|
|
// options are the root content node.
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::WillAddOptions(nsIContent* aOptions, nsIContent* aParent,
|
|
int32_t aContentIndex, bool aNotify) {
|
|
if (this != aParent && this != aParent->GetParent()) {
|
|
return NS_OK;
|
|
}
|
|
int32_t level = aParent == this ? 0 : 1;
|
|
|
|
// Get the index where the options will be inserted
|
|
int32_t ind = -1;
|
|
if (!mNonOptionChildren) {
|
|
// If there are no artifacts, aContentIndex == ind
|
|
ind = aContentIndex;
|
|
} else {
|
|
// If there are artifacts, we have to get the index of the option the
|
|
// hard way
|
|
int32_t children = aParent->GetChildCount();
|
|
|
|
if (aContentIndex >= children) {
|
|
// If the content insert is after the end of the parent, then we want to
|
|
// get the next index *after* the parent and insert there.
|
|
ind = GetOptionIndexAfter(aParent);
|
|
} else {
|
|
// If the content insert is somewhere in the middle of the container, then
|
|
// we want to get the option currently at the index and insert in front of
|
|
// that.
|
|
nsIContent* currentKid = aParent->GetChildAt_Deprecated(aContentIndex);
|
|
NS_ASSERTION(currentKid, "Child not found!");
|
|
if (currentKid) {
|
|
ind = GetOptionIndexAt(currentKid);
|
|
} else {
|
|
ind = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
InsertOptionsIntoList(aOptions, ind, level, aNotify);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::WillRemoveOptions(nsIContent* aParent, int32_t aContentIndex,
|
|
bool aNotify) {
|
|
if (this != aParent && this != aParent->GetParent()) {
|
|
return NS_OK;
|
|
}
|
|
int32_t level = this == aParent ? 0 : 1;
|
|
|
|
// Get the index where the options will be removed
|
|
nsIContent* currentKid = aParent->GetChildAt_Deprecated(aContentIndex);
|
|
if (currentKid) {
|
|
int32_t ind;
|
|
if (!mNonOptionChildren) {
|
|
// If there are no artifacts, aContentIndex == ind
|
|
ind = aContentIndex;
|
|
} else {
|
|
// If there are artifacts, we have to get the index of the option the
|
|
// hard way
|
|
ind = GetFirstOptionIndex(currentKid);
|
|
}
|
|
if (ind != -1) {
|
|
nsresult rv = RemoveOptionsFromList(currentKid, ind, level, aNotify);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
int32_t HTMLSelectElement::GetOptionIndexAt(nsIContent* aOptions) {
|
|
// Search this node and below.
|
|
// If not found, find the first one *after* this node.
|
|
int32_t retval = GetFirstOptionIndex(aOptions);
|
|
if (retval == -1) {
|
|
retval = GetOptionIndexAfter(aOptions);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
int32_t HTMLSelectElement::GetOptionIndexAfter(nsIContent* aOptions) {
|
|
// - If this is the select, the next option is the last.
|
|
// - If not, search all the options after aOptions and up to the last option
|
|
// in the parent.
|
|
// - If it's not there, search for the first option after the parent.
|
|
if (aOptions == this) {
|
|
return Length();
|
|
}
|
|
|
|
int32_t retval = -1;
|
|
|
|
nsCOMPtr<nsIContent> parent = aOptions->GetParent();
|
|
|
|
if (parent) {
|
|
const int32_t index = parent->ComputeIndexOf_Deprecated(aOptions);
|
|
const int32_t count = static_cast<int32_t>(parent->GetChildCount());
|
|
|
|
retval = GetFirstChildOptionIndex(parent, index + 1, count);
|
|
|
|
if (retval == -1) {
|
|
retval = GetOptionIndexAfter(parent);
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
int32_t HTMLSelectElement::GetFirstOptionIndex(nsIContent* aOptions) {
|
|
int32_t listIndex = -1;
|
|
HTMLOptionElement* optElement = HTMLOptionElement::FromNode(aOptions);
|
|
if (optElement) {
|
|
mOptions->GetOptionIndex(optElement, 0, true, &listIndex);
|
|
return listIndex;
|
|
}
|
|
|
|
listIndex = GetFirstChildOptionIndex(aOptions, 0, aOptions->GetChildCount());
|
|
|
|
return listIndex;
|
|
}
|
|
|
|
int32_t HTMLSelectElement::GetFirstChildOptionIndex(nsIContent* aOptions,
|
|
int32_t aStartIndex,
|
|
int32_t aEndIndex) {
|
|
int32_t retval = -1;
|
|
|
|
for (int32_t i = aStartIndex; i < aEndIndex; ++i) {
|
|
retval = GetFirstOptionIndex(aOptions->GetChildAt_Deprecated(i));
|
|
if (retval != -1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
nsISelectControlFrame* HTMLSelectElement::GetSelectFrame() {
|
|
nsIFormControlFrame* form_control_frame = GetFormControlFrame(false);
|
|
|
|
nsISelectControlFrame* select_frame = nullptr;
|
|
|
|
if (form_control_frame) {
|
|
select_frame = do_QueryFrame(form_control_frame);
|
|
}
|
|
|
|
return select_frame;
|
|
}
|
|
|
|
void HTMLSelectElement::Add(
|
|
const HTMLOptionElementOrHTMLOptGroupElement& aElement,
|
|
const Nullable<HTMLElementOrLong>& aBefore, ErrorResult& aRv) {
|
|
nsGenericHTMLElement& element =
|
|
aElement.IsHTMLOptionElement() ? static_cast<nsGenericHTMLElement&>(
|
|
aElement.GetAsHTMLOptionElement())
|
|
: static_cast<nsGenericHTMLElement&>(
|
|
aElement.GetAsHTMLOptGroupElement());
|
|
|
|
if (aBefore.IsNull()) {
|
|
Add(element, static_cast<nsGenericHTMLElement*>(nullptr), aRv);
|
|
} else if (aBefore.Value().IsHTMLElement()) {
|
|
Add(element, &aBefore.Value().GetAsHTMLElement(), aRv);
|
|
} else {
|
|
Add(element, aBefore.Value().GetAsLong(), aRv);
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::Add(nsGenericHTMLElement& aElement,
|
|
nsGenericHTMLElement* aBefore,
|
|
ErrorResult& aError) {
|
|
if (!aBefore) {
|
|
Element::AppendChild(aElement, aError);
|
|
return;
|
|
}
|
|
|
|
// Just in case we're not the parent, get the parent of the reference
|
|
// element
|
|
nsCOMPtr<nsINode> parent = aBefore->Element::GetParentNode();
|
|
if (!parent || !parent->IsInclusiveDescendantOf(this)) {
|
|
// NOT_FOUND_ERR: Raised if before is not a descendant of the SELECT
|
|
// element.
|
|
aError.Throw(NS_ERROR_DOM_NOT_FOUND_ERR);
|
|
return;
|
|
}
|
|
|
|
// If the before parameter is not null, we are equivalent to the
|
|
// insertBefore method on the parent of before.
|
|
nsCOMPtr<nsINode> refNode = aBefore;
|
|
parent->InsertBefore(aElement, refNode, aError);
|
|
}
|
|
|
|
void HTMLSelectElement::Remove(int32_t aIndex) const {
|
|
if (aIndex < 0) {
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsINode> option = Item(static_cast<uint32_t>(aIndex));
|
|
if (!option) {
|
|
return;
|
|
}
|
|
|
|
option->Remove();
|
|
}
|
|
|
|
void HTMLSelectElement::GetType(nsAString& aType) {
|
|
if (HasAttr(nsGkAtoms::multiple)) {
|
|
aType.AssignLiteral("select-multiple");
|
|
} else {
|
|
aType.AssignLiteral("select-one");
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::SetLength(uint32_t aLength, ErrorResult& aRv) {
|
|
constexpr uint32_t kMaxDynamicSelectLength = 100000;
|
|
|
|
uint32_t curlen = Length();
|
|
|
|
if (curlen > aLength) { // Remove extra options
|
|
for (uint32_t i = curlen; i > aLength; --i) {
|
|
Remove(i - 1);
|
|
}
|
|
} else if (aLength > curlen) {
|
|
if (aLength > kMaxDynamicSelectLength) {
|
|
nsAutoString strOptionsLength;
|
|
strOptionsLength.AppendInt(aLength);
|
|
|
|
nsAutoString strLimit;
|
|
strLimit.AppendInt(kMaxDynamicSelectLength);
|
|
|
|
nsContentUtils::ReportToConsole(
|
|
nsIScriptError::warningFlag, "DOM"_ns, OwnerDoc(),
|
|
nsContentUtils::eDOM_PROPERTIES,
|
|
"SelectOptionsLengthAssignmentWarning", {strOptionsLength, strLimit});
|
|
return;
|
|
}
|
|
|
|
RefPtr<mozilla::dom::NodeInfo> nodeInfo;
|
|
|
|
nsContentUtils::QNameChanged(mNodeInfo, nsGkAtoms::option,
|
|
getter_AddRefs(nodeInfo));
|
|
|
|
nsCOMPtr<nsINode> node = NS_NewHTMLOptionElement(nodeInfo.forget());
|
|
for (uint32_t i = curlen; i < aLength; i++) {
|
|
nsINode::AppendChild(*node, aRv);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
if (i + 1 < aLength) {
|
|
node = node->CloneNode(true, aRv);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
MOZ_ASSERT(node);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
bool HTMLSelectElement::MatchSelectedOptions(Element* aElement,
|
|
int32_t /* unused */,
|
|
nsAtom* /* unused */,
|
|
void* /* unused*/) {
|
|
HTMLOptionElement* option = HTMLOptionElement::FromNode(aElement);
|
|
return option && option->Selected();
|
|
}
|
|
|
|
nsIHTMLCollection* HTMLSelectElement::SelectedOptions() {
|
|
if (!mSelectedOptions) {
|
|
mSelectedOptions = new nsContentList(this, MatchSelectedOptions, nullptr,
|
|
nullptr, /* deep */ true);
|
|
}
|
|
return mSelectedOptions;
|
|
}
|
|
|
|
void HTMLSelectElement::SetSelectedIndexInternal(int32_t aIndex, bool aNotify) {
|
|
int32_t oldSelectedIndex = mSelectedIndex;
|
|
OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
|
|
OptionFlag::SetDisabled};
|
|
if (aNotify) {
|
|
mask += OptionFlag::Notify;
|
|
}
|
|
|
|
SetOptionsSelectedByIndex(aIndex, aIndex, mask);
|
|
|
|
nsISelectControlFrame* selectFrame = GetSelectFrame();
|
|
if (selectFrame) {
|
|
selectFrame->OnSetSelectedIndex(oldSelectedIndex, mSelectedIndex);
|
|
}
|
|
|
|
OnSelectionChanged();
|
|
}
|
|
|
|
bool HTMLSelectElement::IsOptionSelectedByIndex(int32_t aIndex) const {
|
|
HTMLOptionElement* option = Item(static_cast<uint32_t>(aIndex));
|
|
return option && option->Selected();
|
|
}
|
|
|
|
void HTMLSelectElement::OnOptionSelected(nsISelectControlFrame* aSelectFrame,
|
|
int32_t aIndex, bool aSelected,
|
|
bool aChangeOptionState,
|
|
bool aNotify) {
|
|
// Set the selected index
|
|
if (aSelected && (aIndex < mSelectedIndex || mSelectedIndex < 0)) {
|
|
mSelectedIndex = aIndex;
|
|
OnSelectionChanged();
|
|
} else if (!aSelected && aIndex == mSelectedIndex) {
|
|
FindSelectedIndex(aIndex + 1, aNotify);
|
|
}
|
|
|
|
if (aChangeOptionState) {
|
|
// Tell the option to get its bad self selected
|
|
RefPtr<HTMLOptionElement> option = Item(static_cast<uint32_t>(aIndex));
|
|
if (option) {
|
|
option->SetSelectedInternal(aSelected, aNotify);
|
|
}
|
|
}
|
|
|
|
// Let the frame know too
|
|
if (aSelectFrame) {
|
|
aSelectFrame->OnOptionSelected(aIndex, aSelected);
|
|
}
|
|
|
|
UpdateSelectedOptions();
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::FindSelectedIndex(int32_t aStartIndex, bool aNotify) {
|
|
mSelectedIndex = -1;
|
|
uint32_t len = Length();
|
|
for (int32_t i = aStartIndex; i < int32_t(len); i++) {
|
|
if (IsOptionSelectedByIndex(i)) {
|
|
mSelectedIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
OnSelectionChanged();
|
|
}
|
|
|
|
// XXX Consider splitting this into two functions for ease of reading:
|
|
// SelectOptionsByIndex(startIndex, endIndex, clearAll, checkDisabled)
|
|
// startIndex, endIndex - the range of options to turn on
|
|
// (-1, -1) will clear all indices no matter what.
|
|
// clearAll - will clear all other options unless checkDisabled is on
|
|
// and all the options attempted to be set are disabled
|
|
// (note that if it is not multiple, and an option is selected,
|
|
// everything else will be cleared regardless).
|
|
// checkDisabled - if this is TRUE, and an option is disabled, it will not be
|
|
// changed regardless of whether it is selected or not.
|
|
// Generally the UI passes TRUE and JS passes FALSE.
|
|
// (setDisabled currently is the opposite)
|
|
// DeselectOptionsByIndex(startIndex, endIndex, checkDisabled)
|
|
// startIndex, endIndex - the range of options to turn on
|
|
// (-1, -1) will clear all indices no matter what.
|
|
// checkDisabled - if this is TRUE, and an option is disabled, it will not be
|
|
// changed regardless of whether it is selected or not.
|
|
// Generally the UI passes TRUE and JS passes FALSE.
|
|
// (setDisabled currently is the opposite)
|
|
//
|
|
// XXXbz the above comment is pretty confusing. Maybe we should actually
|
|
// document the args to this function too, in addition to documenting what
|
|
// things might end up looking like? In particular, pay attention to the
|
|
// setDisabled vs checkDisabled business.
|
|
bool HTMLSelectElement::SetOptionsSelectedByIndex(int32_t aStartIndex,
|
|
int32_t aEndIndex,
|
|
OptionFlags aOptionsMask) {
|
|
#if 0
|
|
printf("SetOption(%d-%d, %c, ClearAll=%c)\n", aStartIndex, aEndIndex,
|
|
(aOptionsMask.contains(OptionFlag::IsSelected) ? 'Y' : 'N'),
|
|
(aOptionsMask.contains(OptionFlag::ClearAll) ? 'Y' : 'N'));
|
|
#endif
|
|
// Don't bother if the select is disabled
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled) && IsDisabled()) {
|
|
return false;
|
|
}
|
|
|
|
// Don't bother if there are no options
|
|
uint32_t numItems = Length();
|
|
if (numItems == 0) {
|
|
return false;
|
|
}
|
|
|
|
// First, find out whether multiple items can be selected
|
|
bool isMultiple = Multiple();
|
|
|
|
// These variables tell us whether any options were selected
|
|
// or deselected.
|
|
bool optionsSelected = false;
|
|
bool optionsDeselected = false;
|
|
|
|
nsISelectControlFrame* selectFrame = nullptr;
|
|
bool didGetFrame = false;
|
|
AutoWeakFrame weakSelectFrame;
|
|
|
|
if (aOptionsMask.contains(OptionFlag::IsSelected)) {
|
|
// Setting selectedIndex to an out-of-bounds index means -1. (HTML5)
|
|
if (aStartIndex < 0 || AssertedCast<uint32_t>(aStartIndex) >= numItems ||
|
|
aEndIndex < 0 || AssertedCast<uint32_t>(aEndIndex) >= numItems) {
|
|
aStartIndex = -1;
|
|
aEndIndex = -1;
|
|
}
|
|
|
|
// Only select the first value if it's not multiple
|
|
if (!isMultiple) {
|
|
aEndIndex = aStartIndex;
|
|
}
|
|
|
|
// This variable tells whether or not all of the options we attempted to
|
|
// select are disabled. If ClearAll is passed in as true, and we do not
|
|
// select anything because the options are disabled, we will not clear the
|
|
// other options. (This is to make the UI work the way one might expect.)
|
|
bool allDisabled = !aOptionsMask.contains(OptionFlag::SetDisabled);
|
|
|
|
//
|
|
// Save a little time when clearing other options
|
|
//
|
|
int32_t previousSelectedIndex = mSelectedIndex;
|
|
|
|
//
|
|
// Select the requested indices
|
|
//
|
|
// If index is -1, everything will be deselected (bug 28143)
|
|
if (aStartIndex != -1) {
|
|
MOZ_ASSERT(aStartIndex >= 0);
|
|
MOZ_ASSERT(aEndIndex >= 0);
|
|
// Loop through the options and select them (if they are not disabled and
|
|
// if they are not already selected).
|
|
for (uint32_t optIndex = AssertedCast<uint32_t>(aStartIndex);
|
|
optIndex <= AssertedCast<uint32_t>(aEndIndex); optIndex++) {
|
|
RefPtr<HTMLOptionElement> option = Item(optIndex);
|
|
|
|
// Ignore disabled options.
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled)) {
|
|
if (option && IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
allDisabled = false;
|
|
}
|
|
|
|
// If the index is already selected, ignore it. On the other hand when
|
|
// the option has just been inserted we have to get in sync with it.
|
|
if (option && (aOptionsMask.contains(OptionFlag::InsertingOptions) ||
|
|
!option->Selected())) {
|
|
// To notify the frame if anything gets changed. No need
|
|
// to flush here, if there's no frame yet we don't need to
|
|
// force it to be created just to notify it about a change
|
|
// in the select.
|
|
selectFrame = GetSelectFrame();
|
|
weakSelectFrame = do_QueryFrame(selectFrame);
|
|
didGetFrame = true;
|
|
|
|
OnOptionSelected(selectFrame, optIndex, true, !option->Selected(),
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsSelected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Next remove all other options if single select or all is clear
|
|
// If index is -1, everything will be deselected (bug 28143)
|
|
if (((!isMultiple && optionsSelected) ||
|
|
(aOptionsMask.contains(OptionFlag::ClearAll) && !allDisabled) ||
|
|
aStartIndex == -1) &&
|
|
previousSelectedIndex != -1) {
|
|
for (uint32_t optIndex = AssertedCast<uint32_t>(previousSelectedIndex);
|
|
optIndex < numItems; optIndex++) {
|
|
if (static_cast<int32_t>(optIndex) < aStartIndex ||
|
|
static_cast<int32_t>(optIndex) > aEndIndex) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
// If the index is already deselected, ignore it.
|
|
if (option && option->Selected()) {
|
|
if (!didGetFrame || (selectFrame && !weakSelectFrame.IsAlive())) {
|
|
// To notify the frame if anything gets changed, don't
|
|
// flush, if the frame doesn't exist we don't need to
|
|
// create it just to tell it about this change.
|
|
selectFrame = GetSelectFrame();
|
|
weakSelectFrame = do_QueryFrame(selectFrame);
|
|
|
|
didGetFrame = true;
|
|
}
|
|
|
|
OnOptionSelected(selectFrame, optIndex, false, true,
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsDeselected = true;
|
|
|
|
// Only need to deselect one option if not multiple
|
|
if (!isMultiple) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// If we're deselecting, loop through all selected items and deselect
|
|
// any that are in the specified range.
|
|
for (int32_t optIndex = aStartIndex; optIndex <= aEndIndex; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled) &&
|
|
IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
|
|
// If the index is already selected, ignore it.
|
|
if (option && option->Selected()) {
|
|
if (!didGetFrame || (selectFrame && !weakSelectFrame.IsAlive())) {
|
|
// To notify the frame if anything gets changed, don't
|
|
// flush, if the frame doesn't exist we don't need to
|
|
// create it just to tell it about this change.
|
|
selectFrame = GetSelectFrame();
|
|
weakSelectFrame = do_QueryFrame(selectFrame);
|
|
|
|
didGetFrame = true;
|
|
}
|
|
|
|
OnOptionSelected(selectFrame, optIndex, false, true,
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsDeselected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make sure something is selected unless we were set to -1 (none)
|
|
if (optionsDeselected && aStartIndex != -1 &&
|
|
!aOptionsMask.contains(OptionFlag::NoReselect)) {
|
|
optionsSelected =
|
|
CheckSelectSomething(aOptionsMask.contains(OptionFlag::Notify)) ||
|
|
optionsSelected;
|
|
}
|
|
|
|
// Let the caller know whether anything was changed
|
|
return optionsSelected || optionsDeselected;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::IsOptionDisabled(int32_t aIndex, bool* aIsDisabled) {
|
|
*aIsDisabled = false;
|
|
RefPtr<HTMLOptionElement> option = Item(aIndex);
|
|
NS_ENSURE_TRUE(option, NS_ERROR_FAILURE);
|
|
|
|
*aIsDisabled = IsOptionDisabled(option);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool HTMLSelectElement::IsOptionDisabled(HTMLOptionElement* aOption) const {
|
|
MOZ_ASSERT(aOption);
|
|
if (aOption->Disabled()) {
|
|
return true;
|
|
}
|
|
|
|
// Check for disabled optgroups
|
|
// If there are no artifacts, there are no optgroups
|
|
if (mNonOptionChildren) {
|
|
for (nsCOMPtr<Element> node =
|
|
static_cast<nsINode*>(aOption)->GetParentElement();
|
|
node; node = node->GetParentElement()) {
|
|
// If we reached the select element, we're done
|
|
if (node->IsHTMLElement(nsGkAtoms::select)) {
|
|
return false;
|
|
}
|
|
|
|
RefPtr<HTMLOptGroupElement> optGroupElement =
|
|
HTMLOptGroupElement::FromNode(node);
|
|
|
|
if (!optGroupElement) {
|
|
// If you put something else between you and the optgroup, you're a
|
|
// moron and you deserve not to have optgroup disabling work.
|
|
return false;
|
|
}
|
|
|
|
if (optGroupElement->Disabled()) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void HTMLSelectElement::GetValue(DOMString& aValue) const {
|
|
int32_t selectedIndex = SelectedIndex();
|
|
if (selectedIndex < 0) {
|
|
return;
|
|
}
|
|
|
|
RefPtr<HTMLOptionElement> option = Item(static_cast<uint32_t>(selectedIndex));
|
|
|
|
if (!option) {
|
|
return;
|
|
}
|
|
|
|
option->GetValue(aValue);
|
|
}
|
|
|
|
void HTMLSelectElement::SetValue(const nsAString& aValue) {
|
|
uint32_t length = Length();
|
|
|
|
for (uint32_t i = 0; i < length; i++) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
if (!option) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoString optionVal;
|
|
option->GetValue(optionVal);
|
|
if (optionVal.Equals(aValue)) {
|
|
SetSelectedIndexInternal(int32_t(i), true);
|
|
return;
|
|
}
|
|
}
|
|
// No matching option was found.
|
|
SetSelectedIndexInternal(-1, true);
|
|
}
|
|
|
|
int32_t HTMLSelectElement::TabIndexDefault() { return 0; }
|
|
|
|
bool HTMLSelectElement::IsHTMLFocusable(IsFocusableFlags aFlags,
|
|
bool* aIsFocusable,
|
|
int32_t* aTabIndex) {
|
|
if (nsGenericHTMLFormControlElementWithState::IsHTMLFocusable(
|
|
aFlags, aIsFocusable, aTabIndex)) {
|
|
return true;
|
|
}
|
|
|
|
*aIsFocusable = !IsDisabled();
|
|
|
|
return false;
|
|
}
|
|
|
|
bool HTMLSelectElement::CheckSelectSomething(bool aNotify) {
|
|
if (mIsDoneAddingChildren) {
|
|
if (mSelectedIndex < 0 && IsCombobox()) {
|
|
return SelectSomething(aNotify);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool HTMLSelectElement::SelectSomething(bool aNotify) {
|
|
// If we're not done building the select, don't play with this yet.
|
|
if (!mIsDoneAddingChildren) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t count = Length();
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
bool disabled;
|
|
nsresult rv = IsOptionDisabled(i, &disabled);
|
|
|
|
if (NS_FAILED(rv) || !disabled) {
|
|
SetSelectedIndexInternal(i, aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::BindToTree(BindContext& aContext,
|
|
nsINode& aParent) {
|
|
nsresult rv =
|
|
nsGenericHTMLFormControlElementWithState::BindToTree(aContext, aParent);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// If there is a disabled fieldset in the parent chain, the element is now
|
|
// barred from constraint validation.
|
|
// XXXbz is this still needed now that fieldset changes always call
|
|
// FieldSetDisabledChanged?
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateValidityElementStates(false);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void HTMLSelectElement::UnbindFromTree(UnbindContext& aContext) {
|
|
nsGenericHTMLFormControlElementWithState::UnbindFromTree(aContext);
|
|
|
|
// We might be no longer disabled because our parent chain changed.
|
|
// XXXbz is this still needed now that fieldset changes always call
|
|
// FieldSetDisabledChanged?
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateValidityElementStates(false);
|
|
}
|
|
|
|
void HTMLSelectElement::BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue, bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::disabled) {
|
|
if (aNotify) {
|
|
mDisabledChanged = true;
|
|
}
|
|
} else if (aName == nsGkAtoms::multiple) {
|
|
if (!aValue && aNotify && mSelectedIndex >= 0) {
|
|
// We're changing from being a multi-select to a single-select.
|
|
// Make sure we only have one option selected before we do that.
|
|
// Note that this needs to come before we really unset the attr,
|
|
// since SetOptionsSelectedByIndex does some bail-out type
|
|
// optimization for cases when the select is not multiple that
|
|
// would lead to only a single option getting deselected.
|
|
SetSelectedIndexInternal(mSelectedIndex, aNotify);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormControlElementWithState::BeforeSetAttr(
|
|
aNameSpaceID, aName, aValue, aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue,
|
|
nsIPrincipal* aSubjectPrincipal,
|
|
bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::disabled) {
|
|
// This *has* to be called *before* validity state check because
|
|
// UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState depend on our disabled state.
|
|
UpdateDisabledState(aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
UpdateValidityElementStates(aNotify);
|
|
} else if (aName == nsGkAtoms::required) {
|
|
// This *has* to be called *before* UpdateValueMissingValidityState
|
|
// because UpdateValueMissingValidityState depends on our required
|
|
// state.
|
|
UpdateRequiredState(!!aValue, aNotify);
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
} else if (aName == nsGkAtoms::autocomplete) {
|
|
// Clear the cached @autocomplete attribute and autocompleteInfo state.
|
|
mAutocompleteAttrState = nsContentUtils::eAutocompleteAttrState_Unknown;
|
|
mAutocompleteInfoState = nsContentUtils::eAutocompleteAttrState_Unknown;
|
|
} else if (aName == nsGkAtoms::multiple) {
|
|
if (!aValue && aNotify) {
|
|
// We might have become a combobox; make sure _something_ gets
|
|
// selected in that case
|
|
CheckSelectSomething(aNotify);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormControlElementWithState::AfterSetAttr(
|
|
aNameSpaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::DoneAddingChildren(bool aHaveNotified) {
|
|
mIsDoneAddingChildren = true;
|
|
|
|
nsISelectControlFrame* selectFrame = GetSelectFrame();
|
|
|
|
// If we foolishly tried to restore before we were done adding
|
|
// content, restore the rest of the options proper-like
|
|
if (mRestoreState) {
|
|
RestoreStateTo(*mRestoreState);
|
|
mRestoreState = nullptr;
|
|
}
|
|
|
|
// Notify the frame
|
|
if (selectFrame) {
|
|
selectFrame->DoneAddingChildren(true);
|
|
}
|
|
|
|
if (!mInhibitStateRestoration) {
|
|
GenerateStateKey();
|
|
RestoreFormControlState();
|
|
}
|
|
|
|
// Now that we're done, select something (if it's a single select something
|
|
// must be selected)
|
|
if (!CheckSelectSomething(false)) {
|
|
// If an option has @selected set, it will be selected during parsing but
|
|
// with an empty value. We have to make sure the select element updates it's
|
|
// validity state to take this into account.
|
|
UpdateValueMissingValidityState();
|
|
|
|
// And now make sure we update our content state too
|
|
UpdateValidityElementStates(aHaveNotified);
|
|
}
|
|
|
|
mDefaultSelectionSet = true;
|
|
}
|
|
|
|
bool HTMLSelectElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsIPrincipal* aMaybeScriptedPrincipal,
|
|
nsAttrValue& aResult) {
|
|
if (kNameSpaceID_None == aNamespaceID) {
|
|
if (aAttribute == nsGkAtoms::size) {
|
|
return aResult.ParsePositiveIntValue(aValue);
|
|
}
|
|
if (aAttribute == nsGkAtoms::autocomplete) {
|
|
aResult.ParseAtomArray(aValue);
|
|
return true;
|
|
}
|
|
}
|
|
return nsGenericHTMLFormControlElementWithState::ParseAttribute(
|
|
aNamespaceID, aAttribute, aValue, aMaybeScriptedPrincipal, aResult);
|
|
}
|
|
|
|
void HTMLSelectElement::MapAttributesIntoRule(
|
|
MappedDeclarationsBuilder& aBuilder) {
|
|
nsGenericHTMLFormControlElementWithState::MapImageAlignAttributeInto(
|
|
aBuilder);
|
|
nsGenericHTMLFormControlElementWithState::MapCommonAttributesInto(aBuilder);
|
|
}
|
|
|
|
nsChangeHint HTMLSelectElement::GetAttributeChangeHint(const nsAtom* aAttribute,
|
|
int32_t aModType) const {
|
|
nsChangeHint retval =
|
|
nsGenericHTMLFormControlElementWithState::GetAttributeChangeHint(
|
|
aAttribute, aModType);
|
|
if (aAttribute == nsGkAtoms::multiple || aAttribute == nsGkAtoms::size) {
|
|
retval |= nsChangeHint_ReconstructFrame;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
HTMLSelectElement::IsAttributeMapped(const nsAtom* aAttribute) const {
|
|
static const MappedAttributeEntry* const map[] = {sCommonAttributeMap,
|
|
sImageAlignAttributeMap};
|
|
|
|
return FindAttributeDependence(aAttribute, map);
|
|
}
|
|
|
|
nsMapRuleToAttributesFunc HTMLSelectElement::GetAttributeMappingFunction()
|
|
const {
|
|
return &MapAttributesIntoRule;
|
|
}
|
|
|
|
bool HTMLSelectElement::IsDisabledForEvents(WidgetEvent* aEvent) {
|
|
nsIFormControlFrame* formControlFrame = GetFormControlFrame(false);
|
|
nsIFrame* formFrame = nullptr;
|
|
if (formControlFrame) {
|
|
formFrame = do_QueryFrame(formControlFrame);
|
|
}
|
|
return IsElementDisabledForEvents(aEvent, formFrame);
|
|
}
|
|
|
|
void HTMLSelectElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
|
|
aVisitor.mCanHandle = false;
|
|
if (IsDisabledForEvents(aVisitor.mEvent)) {
|
|
return;
|
|
}
|
|
|
|
nsGenericHTMLFormControlElementWithState::GetEventTargetParent(aVisitor);
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateValidityElementStates(bool aNotify) {
|
|
AutoStateChangeNotifier notifier(*this, aNotify);
|
|
RemoveStatesSilently(ElementState::VALIDITY_STATES);
|
|
if (!IsCandidateForConstraintValidation()) {
|
|
return;
|
|
}
|
|
|
|
ElementState state;
|
|
if (IsValid()) {
|
|
state |= ElementState::VALID;
|
|
if (mUserInteracted) {
|
|
state |= ElementState::USER_VALID;
|
|
}
|
|
} else {
|
|
state |= ElementState::INVALID;
|
|
if (mUserInteracted) {
|
|
state |= ElementState::USER_INVALID;
|
|
}
|
|
}
|
|
|
|
AddStatesSilently(state);
|
|
}
|
|
|
|
void HTMLSelectElement::SaveState() {
|
|
PresState* presState = GetPrimaryPresState();
|
|
if (!presState) {
|
|
return;
|
|
}
|
|
|
|
SelectContentData state;
|
|
|
|
uint32_t len = Length();
|
|
|
|
for (uint32_t optIndex = 0; optIndex < len; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
if (option && option->Selected()) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (value.IsEmpty()) {
|
|
state.indices().AppendElement(optIndex);
|
|
} else {
|
|
state.values().AppendElement(std::move(value));
|
|
}
|
|
}
|
|
}
|
|
|
|
presState->contentData() = std::move(state);
|
|
|
|
if (mDisabledChanged) {
|
|
// We do not want to save the real disabled state but the disabled
|
|
// attribute.
|
|
presState->disabled() = HasAttr(nsGkAtoms::disabled);
|
|
presState->disabledSet() = true;
|
|
}
|
|
}
|
|
|
|
bool HTMLSelectElement::RestoreState(PresState* aState) {
|
|
// Get the presentation state object to retrieve our stuff out of.
|
|
const PresContentData& state = aState->contentData();
|
|
if (state.type() == PresContentData::TSelectContentData) {
|
|
RestoreStateTo(state.get_SelectContentData());
|
|
|
|
// Don't flush, if the frame doesn't exist yet it doesn't care if
|
|
// we're reset or not.
|
|
DispatchContentReset();
|
|
}
|
|
|
|
if (aState->disabledSet() && !aState->disabled()) {
|
|
SetDisabled(false, IgnoreErrors());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void HTMLSelectElement::RestoreStateTo(const SelectContentData& aNewSelected) {
|
|
if (!mIsDoneAddingChildren) {
|
|
// Make a copy of the state for us to restore from in the future.
|
|
mRestoreState = MakeUnique<SelectContentData>(aNewSelected);
|
|
return;
|
|
}
|
|
|
|
uint32_t len = Length();
|
|
OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify};
|
|
|
|
// First clear all
|
|
SetOptionsSelectedByIndex(-1, -1, mask);
|
|
|
|
// Select by index.
|
|
for (uint32_t idx : aNewSelected.indices()) {
|
|
if (idx < len) {
|
|
SetOptionsSelectedByIndex(idx, idx,
|
|
{OptionFlag::IsSelected,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify});
|
|
}
|
|
}
|
|
|
|
// Select by value.
|
|
for (uint32_t i = 0; i < len; ++i) {
|
|
HTMLOptionElement* option = Item(i);
|
|
if (option) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (aNewSelected.values().Contains(value)) {
|
|
SetOptionsSelectedByIndex(
|
|
i, i,
|
|
{OptionFlag::IsSelected, OptionFlag::SetDisabled,
|
|
OptionFlag::Notify});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// nsIFormControl
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::Reset() {
|
|
uint32_t numSelected = 0;
|
|
|
|
//
|
|
// Cycle through the options array and reset the options
|
|
//
|
|
uint32_t numOptions = Length();
|
|
|
|
for (uint32_t i = 0; i < numOptions; i++) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
if (option) {
|
|
//
|
|
// Reset the option to its default value
|
|
//
|
|
|
|
OptionFlags mask = {OptionFlag::SetDisabled, OptionFlag::Notify,
|
|
OptionFlag::NoReselect};
|
|
if (option->DefaultSelected()) {
|
|
mask += OptionFlag::IsSelected;
|
|
numSelected++;
|
|
}
|
|
|
|
SetOptionsSelectedByIndex(i, i, mask);
|
|
option->SetSelectedChanged(false);
|
|
}
|
|
}
|
|
|
|
//
|
|
// If nothing was selected and it's not multiple, select something
|
|
//
|
|
if (numSelected == 0 && IsCombobox()) {
|
|
SelectSomething(true);
|
|
}
|
|
|
|
OnSelectionChanged();
|
|
SetUserInteracted(false);
|
|
|
|
// Let the frame know we were reset
|
|
//
|
|
// Don't flush, if there's no frame yet it won't care about us being
|
|
// reset even if we forced it to be created now.
|
|
//
|
|
DispatchContentReset();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::SubmitNamesValues(FormData* aFormData) {
|
|
//
|
|
// Get the name (if no name, no submit)
|
|
//
|
|
nsAutoString name;
|
|
GetAttr(nsGkAtoms::name, name);
|
|
if (name.IsEmpty()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Submit
|
|
//
|
|
uint32_t len = Length();
|
|
|
|
for (uint32_t optIndex = 0; optIndex < len; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
|
|
// Don't send disabled options
|
|
if (!option || IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
|
|
if (!option->Selected()) {
|
|
continue;
|
|
}
|
|
|
|
nsString value;
|
|
option->GetValue(value);
|
|
|
|
aFormData->AddNameValuePair(name, value);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void HTMLSelectElement::DispatchContentReset() {
|
|
if (nsIFormControlFrame* formControlFrame = GetFormControlFrame(false)) {
|
|
if (nsListControlFrame* listFrame = do_QueryFrame(formControlFrame)) {
|
|
listFrame->OnContentReset();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void AddOptions(nsIContent* aRoot, HTMLOptionsCollection* aArray) {
|
|
for (nsIContent* child = aRoot->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
HTMLOptionElement* opt = HTMLOptionElement::FromNode(child);
|
|
if (opt) {
|
|
aArray->AppendOption(opt);
|
|
} else if (child->IsHTMLElement(nsGkAtoms::optgroup)) {
|
|
for (nsIContent* grandchild = child->GetFirstChild(); grandchild;
|
|
grandchild = grandchild->GetNextSibling()) {
|
|
opt = HTMLOptionElement::FromNode(grandchild);
|
|
if (opt) {
|
|
aArray->AppendOption(opt);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::RebuildOptionsArray(bool aNotify) {
|
|
mOptions->Clear();
|
|
AddOptions(this, mOptions);
|
|
FindSelectedIndex(0, aNotify);
|
|
}
|
|
|
|
bool HTMLSelectElement::IsValueMissing() const {
|
|
if (!Required()) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t length = Length();
|
|
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
// Check for a placeholder label option, don't count it as a valid value.
|
|
if (i == 0 && !Multiple() && Size() <= 1 && option->GetParent() == this) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (value.IsEmpty()) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!option->Selected()) {
|
|
continue;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateValueMissingValidityState() {
|
|
SetValidityState(VALIDITY_STATE_VALUE_MISSING, IsValueMissing());
|
|
}
|
|
|
|
nsresult HTMLSelectElement::GetValidationMessage(nsAString& aValidationMessage,
|
|
ValidityStateType aType) {
|
|
switch (aType) {
|
|
case VALIDITY_STATE_VALUE_MISSING: {
|
|
nsAutoString message;
|
|
nsresult rv = nsContentUtils::GetMaybeLocalizedString(
|
|
nsContentUtils::eDOM_PROPERTIES, "FormValidationSelectMissing",
|
|
OwnerDoc(), message);
|
|
aValidationMessage = message;
|
|
return rv;
|
|
}
|
|
default: {
|
|
return ConstraintValidation::GetValidationMessage(aValidationMessage,
|
|
aType);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
void HTMLSelectElement::VerifyOptionsArray() {
|
|
int32_t index = 0;
|
|
for (nsIContent* child = nsINode::GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
HTMLOptionElement* opt = HTMLOptionElement::FromNode(child);
|
|
if (opt) {
|
|
NS_ASSERTION(opt == mOptions->ItemAsOption(index++),
|
|
"Options collection broken");
|
|
} else if (child->IsHTMLElement(nsGkAtoms::optgroup)) {
|
|
for (nsIContent* grandchild = child->GetFirstChild(); grandchild;
|
|
grandchild = grandchild->GetNextSibling()) {
|
|
opt = HTMLOptionElement::FromNode(grandchild);
|
|
if (opt) {
|
|
NS_ASSERTION(opt == mOptions->ItemAsOption(index++),
|
|
"Options collection broken");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
void HTMLSelectElement::UpdateBarredFromConstraintValidation() {
|
|
SetBarredFromConstraintValidation(
|
|
HasFlag(ELEMENT_IS_DATALIST_OR_HAS_DATALIST_ANCESTOR) || IsDisabled());
|
|
}
|
|
|
|
void HTMLSelectElement::FieldSetDisabledChanged(bool aNotify) {
|
|
// This *has* to be called before UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState because these two functions depend on our
|
|
// disabled state.
|
|
nsGenericHTMLFormControlElementWithState::FieldSetDisabledChanged(aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
UpdateValidityElementStates(aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::OnSelectionChanged() {
|
|
if (!mDefaultSelectionSet) {
|
|
return;
|
|
}
|
|
|
|
if (State().HasState(ElementState::AUTOFILL)) {
|
|
RemoveStates(ElementState::AUTOFILL | ElementState::AUTOFILL_PREVIEW);
|
|
}
|
|
|
|
UpdateSelectedOptions();
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateSelectedOptions() {
|
|
if (mSelectedOptions) {
|
|
mSelectedOptions->SetDirty();
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::SetUserInteracted(bool aInteracted) {
|
|
if (mUserInteracted == aInteracted) {
|
|
return;
|
|
}
|
|
mUserInteracted = aInteracted;
|
|
UpdateValidityElementStates(true);
|
|
}
|
|
|
|
void HTMLSelectElement::SetPreviewValue(const nsAString& aValue) {
|
|
mPreviewValue = aValue;
|
|
nsContentUtils::RemoveNewlines(mPreviewValue);
|
|
nsIFormControlFrame* formControlFrame = GetFormControlFrame(false);
|
|
nsComboboxControlFrame* comboFrame = do_QueryFrame(formControlFrame);
|
|
if (comboFrame) {
|
|
comboFrame->RedisplaySelectedText();
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::UserFinishedInteracting(bool aChanged) {
|
|
SetUserInteracted(true);
|
|
if (!aChanged) {
|
|
return;
|
|
}
|
|
|
|
// Dispatch the input event.
|
|
DebugOnly<nsresult> rvIgnored = nsContentUtils::DispatchInputEvent(this);
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rvIgnored),
|
|
"Failed to dispatch input event");
|
|
|
|
// Dispatch the change event.
|
|
nsContentUtils::DispatchTrustedEvent(OwnerDoc(), this, u"change"_ns,
|
|
CanBubble::eYes, Cancelable::eNo);
|
|
}
|
|
|
|
JSObject* HTMLSelectElement::WrapNode(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) {
|
|
return HTMLSelectElement_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
} // namespace mozilla::dom
|