mirror of
https://github.com/mozilla/gecko-dev.git
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137 lines
3.6 KiB
C++
137 lines
3.6 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 "nsIDocument.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 {
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namespace dom {
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HTMLTitleElement::HTMLTitleElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo)
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{
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AddMutationObserver(this);
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}
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HTMLTitleElement::~HTMLTitleElement()
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{
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}
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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*
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HTMLTitleElement::WrapNode(JSContext* cx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLTitleElementBinding::Wrap(cx, this, aGivenProto);
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}
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void
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HTMLTitleElement::GetText(DOMString& aText, ErrorResult& aError)
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{
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if (!nsContentUtils::GetNodeTextContent(this, false, aText)) {
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aError = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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void
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HTMLTitleElement::SetText(const nsAString& aText, ErrorResult& aError)
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{
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aError = nsContentUtils::SetNodeTextContent(this, aText, true);
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}
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void
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HTMLTitleElement::CharacterDataChanged(nsIDocument *aDocument,
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nsIContent *aContent,
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CharacterDataChangeInfo *aInfo)
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{
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SendTitleChangeEvent(false);
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}
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void
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HTMLTitleElement::ContentAppended(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aFirstNewContent,
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int32_t aNewIndexInContainer)
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{
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SendTitleChangeEvent(false);
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}
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void
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HTMLTitleElement::ContentInserted(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aChild,
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int32_t aIndexInContainer)
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{
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SendTitleChangeEvent(false);
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}
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void
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HTMLTitleElement::ContentRemoved(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aChild,
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int32_t aIndexInContainer,
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nsIContent *aPreviousSibling)
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{
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SendTitleChangeEvent(false);
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}
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nsresult
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HTMLTitleElement::BindToTree(nsIDocument *aDocument,
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nsIContent *aParent,
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nsIContent *aBindingParent,
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bool aCompileEventHandlers)
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{
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// Let this fall through.
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nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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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
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HTMLTitleElement::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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SendTitleChangeEvent(false);
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// Let this fall through.
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nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
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}
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void
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HTMLTitleElement::DoneAddingChildren(bool aHaveNotified)
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{
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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
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HTMLTitleElement::SendTitleChangeEvent(bool aBound)
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{
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nsIDocument* 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 dom
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} // namespace mozilla
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