Source code

Revision control

Other Tools

/* -*- 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/HTMLTitleElement.h"
#include "mozilla/dom/HTMLTitleElementBinding.h"
#include "mozilla/ErrorResult.h"
#include "nsStyleConsts.h"
#include "mozilla/dom/Document.h"
#include "nsContentUtils.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Title)
namespace mozilla {
namespace dom {
HTMLTitleElement::HTMLTitleElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {
AddMutationObserver(this);
}
HTMLTitleElement::~HTMLTitleElement() = default;
NS_IMPL_ISUPPORTS_INHERITED(HTMLTitleElement, nsGenericHTMLElement,
nsIMutationObserver)
NS_IMPL_ELEMENT_CLONE(HTMLTitleElement)
JSObject* HTMLTitleElement::WrapNode(JSContext* cx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLTitleElement_Binding::Wrap(cx, this, aGivenProto);
}
void HTMLTitleElement::GetText(DOMString& aText, ErrorResult& aError) {
if (!nsContentUtils::GetNodeTextContent(this, false, aText, fallible)) {
aError = NS_ERROR_OUT_OF_MEMORY;
}
}
void HTMLTitleElement::SetText(const nsAString& aText, ErrorResult& aError) {
aError = nsContentUtils::SetNodeTextContent(this, aText, true);
}
void HTMLTitleElement::CharacterDataChanged(nsIContent* aContent,
const CharacterDataChangeInfo&) {
SendTitleChangeEvent(false);
}
void HTMLTitleElement::ContentAppended(nsIContent* aFirstNewContent) {
SendTitleChangeEvent(false);
}
void HTMLTitleElement::ContentInserted(nsIContent* aChild) {
SendTitleChangeEvent(false);
}
void HTMLTitleElement::ContentRemoved(nsIContent* aChild,
nsIContent* aPreviousSibling) {
SendTitleChangeEvent(false);
}
nsresult HTMLTitleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
// Let this fall through.
nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
SendTitleChangeEvent(true);
return NS_OK;
}
void HTMLTitleElement::UnbindFromTree(bool aNullParent) {
SendTitleChangeEvent(false);
// Let this fall through.
nsGenericHTMLElement::UnbindFromTree(aNullParent);
}
void HTMLTitleElement::DoneAddingChildren(bool aHaveNotified) {
if (!aHaveNotified) {
SendTitleChangeEvent(false);
}
}
void HTMLTitleElement::SendTitleChangeEvent(bool aBound) {
Document* doc = GetUncomposedDoc();
if (doc) {
doc->NotifyPossibleTitleChange(aBound);
}
}
} // namespace dom
} // namespace mozilla