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8925ee2d3d
Much like BindToTree. This will be useful because I need to pass more information through UnbindFromTree() to speed up dir=auto for bug 1874040. Differential Revision: https://phabricator.services.mozilla.com/D202215
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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/HTMLTitleElement.h"
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#include "mozilla/dom/HTMLTitleElementBinding.h"
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#include "mozilla/ErrorResult.h"
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#include "nsStyleConsts.h"
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#include "mozilla/dom/Document.h"
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#include "nsContentUtils.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Title)
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namespace mozilla::dom {
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HTMLTitleElement::HTMLTitleElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: nsGenericHTMLElement(std::move(aNodeInfo)) {
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AddMutationObserver(this);
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}
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HTMLTitleElement::~HTMLTitleElement() = default;
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NS_IMPL_ISUPPORTS_INHERITED(HTMLTitleElement, nsGenericHTMLElement,
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nsIMutationObserver)
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NS_IMPL_ELEMENT_CLONE(HTMLTitleElement)
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JSObject* HTMLTitleElement::WrapNode(JSContext* cx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLTitleElement_Binding::Wrap(cx, this, aGivenProto);
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}
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void HTMLTitleElement::GetText(DOMString& aText, ErrorResult& aError) const {
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if (!nsContentUtils::GetNodeTextContent(this, false, aText, fallible)) {
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aError = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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void HTMLTitleElement::SetText(const nsAString& aText, ErrorResult& aError) {
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aError = nsContentUtils::SetNodeTextContent(this, aText, true);
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}
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void HTMLTitleElement::CharacterDataChanged(nsIContent* aContent,
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const CharacterDataChangeInfo&) {
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SendTitleChangeEvent(false);
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}
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void HTMLTitleElement::ContentAppended(nsIContent* aFirstNewContent) {
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SendTitleChangeEvent(false);
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}
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void HTMLTitleElement::ContentInserted(nsIContent* aChild) {
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SendTitleChangeEvent(false);
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}
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void HTMLTitleElement::ContentRemoved(nsIContent* aChild,
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nsIContent* aPreviousSibling) {
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SendTitleChangeEvent(false);
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}
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nsresult HTMLTitleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
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// Let this fall through.
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nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
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NS_ENSURE_SUCCESS(rv, rv);
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SendTitleChangeEvent(true);
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return NS_OK;
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}
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void HTMLTitleElement::UnbindFromTree(UnbindContext& aContext) {
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SendTitleChangeEvent(false);
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// Let this fall through.
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nsGenericHTMLElement::UnbindFromTree(aContext);
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}
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void HTMLTitleElement::DoneAddingChildren(bool aHaveNotified) {
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if (!aHaveNotified) {
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SendTitleChangeEvent(false);
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}
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}
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void HTMLTitleElement::SendTitleChangeEvent(bool aBound) {
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Document* doc = GetUncomposedDoc();
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if (doc) {
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doc->NotifyPossibleTitleChange(aBound);
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}
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}
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} // namespace mozilla::dom
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