diff options
Diffstat (limited to 'dom/html/HTMLTitleElement.cpp')
-rw-r--r-- | dom/html/HTMLTitleElement.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/dom/html/HTMLTitleElement.cpp b/dom/html/HTMLTitleElement.cpp new file mode 100644 index 000000000..b005d104a --- /dev/null +++ b/dom/html/HTMLTitleElement.cpp @@ -0,0 +1,136 @@ +/* -*- 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 "nsIDocument.h" +#include "nsContentUtils.h" + + +NS_IMPL_NS_NEW_HTML_ELEMENT(Title) + +namespace mozilla { +namespace dom { + +HTMLTitleElement::HTMLTitleElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo) + : nsGenericHTMLElement(aNodeInfo) +{ + AddMutationObserver(this); +} + +HTMLTitleElement::~HTMLTitleElement() +{ +} + +NS_IMPL_ISUPPORTS_INHERITED(HTMLTitleElement, nsGenericHTMLElement, + nsIMutationObserver) + +NS_IMPL_ELEMENT_CLONE(HTMLTitleElement) + +JSObject* +HTMLTitleElement::WrapNode(JSContext* cx, JS::Handle<JSObject*> aGivenProto) +{ + return HTMLTitleElementBinding::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(nsIDocument *aDocument, + nsIContent *aContent, + CharacterDataChangeInfo *aInfo) +{ + SendTitleChangeEvent(false); +} + +void +HTMLTitleElement::ContentAppended(nsIDocument *aDocument, + nsIContent *aContainer, + nsIContent *aFirstNewContent, + int32_t aNewIndexInContainer) +{ + SendTitleChangeEvent(false); +} + +void +HTMLTitleElement::ContentInserted(nsIDocument *aDocument, + nsIContent *aContainer, + nsIContent *aChild, + int32_t aIndexInContainer) +{ + SendTitleChangeEvent(false); +} + +void +HTMLTitleElement::ContentRemoved(nsIDocument *aDocument, + nsIContent *aContainer, + nsIContent *aChild, + int32_t aIndexInContainer, + nsIContent *aPreviousSibling) +{ + SendTitleChangeEvent(false); +} + +nsresult +HTMLTitleElement::BindToTree(nsIDocument *aDocument, + nsIContent *aParent, + nsIContent *aBindingParent, + bool aCompileEventHandlers) +{ + // Let this fall through. + nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent, + aBindingParent, + aCompileEventHandlers); + NS_ENSURE_SUCCESS(rv, rv); + + SendTitleChangeEvent(true); + + return NS_OK; +} + +void +HTMLTitleElement::UnbindFromTree(bool aDeep, bool aNullParent) +{ + SendTitleChangeEvent(false); + + // Let this fall through. + nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent); +} + +void +HTMLTitleElement::DoneAddingChildren(bool aHaveNotified) +{ + if (!aHaveNotified) { + SendTitleChangeEvent(false); + } +} + +void +HTMLTitleElement::SendTitleChangeEvent(bool aBound) +{ + nsIDocument* doc = GetUncomposedDoc(); + if (doc) { + doc->NotifyPossibleTitleChange(aBound); + } +} + +} // namespace dom +} // namespace mozilla |