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athenian200
618fa768c8
The removal of this preference was botched, all other surrounding plumbing changes appear to be working okay. The ability to use prefs to control this stylesheet might be useful in the future, so perhaps this is one of those "if it ain't broke, don't fix it" bugs where leaving well enough alone in the first place would have been the best choice.
112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLDetailsElement.h"
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#include "mozilla/dom/HTMLDetailsElementBinding.h"
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#include "mozilla/dom/HTMLUnknownElement.h"
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#include "mozilla/Preferences.h"
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// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Details) to add pref check.
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nsGenericHTMLElement*
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NS_NewHTMLDetailsElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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mozilla::dom::FromParser aFromParser)
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{
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if (!mozilla::dom::HTMLDetailsElement::IsDetailsEnabled()) {
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return new mozilla::dom::HTMLUnknownElement(aNodeInfo);
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}
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return new mozilla::dom::HTMLDetailsElement(aNodeInfo);
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}
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namespace mozilla {
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namespace dom {
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/* static */ bool
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HTMLDetailsElement::IsDetailsEnabled()
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{
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static bool isDetailsEnabled = false;
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static bool added = false;
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if (!added) {
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Preferences::AddBoolVarCache(&isDetailsEnabled,
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"dom.details_element.enabled");
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added = true;
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}
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return isDetailsEnabled;
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}
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HTMLDetailsElement::~HTMLDetailsElement()
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{
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}
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NS_IMPL_ELEMENT_CLONE(HTMLDetailsElement)
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nsIContent*
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HTMLDetailsElement::GetFirstSummary() const
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{
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// XXX: Bug 1245032: Might want to cache the first summary element.
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for (nsIContent* child = nsINode::GetFirstChild();
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child;
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child = child->GetNextSibling()) {
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if (child->IsHTMLElement(nsGkAtoms::summary)) {
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return child;
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}
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}
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return nullptr;
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}
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nsChangeHint
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HTMLDetailsElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
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int32_t aModType) const
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{
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nsChangeHint hint =
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nsGenericHTMLElement::GetAttributeChangeHint(aAttribute, aModType);
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if (aAttribute == nsGkAtoms::open) {
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hint |= nsChangeHint_ReconstructFrame;
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}
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return hint;
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}
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nsresult
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HTMLDetailsElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAttrValueOrString* aValue, bool aNotify)
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{
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if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::open) {
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bool setOpen = aValue != nullptr;
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if (Open() != setOpen) {
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if (mToggleEventDispatcher) {
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mToggleEventDispatcher->Cancel();
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}
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// According to the html spec, a 'toggle' event is a simple event which
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// does not bubble.
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mToggleEventDispatcher =
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new AsyncEventDispatcher(this, NS_LITERAL_STRING("toggle"), false);
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mToggleEventDispatcher->PostDOMEvent();
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}
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}
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return nsGenericHTMLElement::BeforeSetAttr(aNameSpaceID, aName, aValue,
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aNotify);
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}
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void
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HTMLDetailsElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
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{
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if (mToggleEventDispatcher == aEvent) {
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mToggleEventDispatcher = nullptr;
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}
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}
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JSObject*
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HTMLDetailsElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLDetailsElementBinding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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