1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "mozilla/dom/HTMLTitleElement.h"
9 #include "mozilla/dom/HTMLTitleElementBinding.h"
10 #include "mozilla/ErrorResult.h"
11 #include "nsStyleConsts.h"
12 #include "mozilla/dom/Document.h"
13 #include "nsContentUtils.h"
15 NS_IMPL_NS_NEW_HTML_ELEMENT(Title
)
17 namespace mozilla::dom
{
19 HTMLTitleElement::HTMLTitleElement(
20 already_AddRefed
<mozilla::dom::NodeInfo
>&& aNodeInfo
)
21 : nsGenericHTMLElement(std::move(aNodeInfo
)) {
22 AddMutationObserver(this);
25 HTMLTitleElement::~HTMLTitleElement() = default;
27 NS_IMPL_ISUPPORTS_INHERITED(HTMLTitleElement
, nsGenericHTMLElement
,
30 NS_IMPL_ELEMENT_CLONE(HTMLTitleElement
)
32 JSObject
* HTMLTitleElement::WrapNode(JSContext
* cx
,
33 JS::Handle
<JSObject
*> aGivenProto
) {
34 return HTMLTitleElement_Binding::Wrap(cx
, this, aGivenProto
);
37 void HTMLTitleElement::GetText(DOMString
& aText
, ErrorResult
& aError
) const {
38 if (!nsContentUtils::GetNodeTextContent(this, false, aText
, fallible
)) {
39 aError
= NS_ERROR_OUT_OF_MEMORY
;
43 void HTMLTitleElement::SetText(const nsAString
& aText
, ErrorResult
& aError
) {
44 aError
= nsContentUtils::SetNodeTextContent(this, aText
, true);
47 void HTMLTitleElement::CharacterDataChanged(nsIContent
* aContent
,
48 const CharacterDataChangeInfo
&) {
49 SendTitleChangeEvent(false);
52 void HTMLTitleElement::ContentAppended(nsIContent
* aFirstNewContent
) {
53 SendTitleChangeEvent(false);
56 void HTMLTitleElement::ContentInserted(nsIContent
* aChild
) {
57 SendTitleChangeEvent(false);
60 void HTMLTitleElement::ContentRemoved(nsIContent
* aChild
,
61 nsIContent
* aPreviousSibling
) {
62 SendTitleChangeEvent(false);
65 nsresult
HTMLTitleElement::BindToTree(BindContext
& aContext
, nsINode
& aParent
) {
66 // Let this fall through.
67 nsresult rv
= nsGenericHTMLElement::BindToTree(aContext
, aParent
);
68 NS_ENSURE_SUCCESS(rv
, rv
);
70 SendTitleChangeEvent(true);
75 void HTMLTitleElement::UnbindFromTree(UnbindContext
& aContext
) {
76 SendTitleChangeEvent(false);
78 // Let this fall through.
79 nsGenericHTMLElement::UnbindFromTree(aContext
);
82 void HTMLTitleElement::DoneAddingChildren(bool aHaveNotified
) {
84 SendTitleChangeEvent(false);
88 void HTMLTitleElement::SendTitleChangeEvent(bool aBound
) {
89 Document
* doc
= GetUncomposedDoc();
91 doc
->NotifyPossibleTitleChange(aBound
);
95 } // namespace mozilla::dom