tor-browser

The Tor Browser
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SVGTitleElement.cpp (2868B)

      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/. */
      6 
      7 #include "mozilla/dom/SVGTitleElement.h"
      8 
      9 #include "mozilla/dom/Document.h"
     10 #include "mozilla/dom/SVGTitleElementBinding.h"
     11 
     12 NS_IMPL_NS_NEW_SVG_ELEMENT(Title)
     13 
     14 namespace mozilla::dom {
     15 
     16 JSObject* SVGTitleElement::WrapNode(JSContext* aCx,
     17                                    JS::Handle<JSObject*> aGivenProto) {
     18  return SVGTitleElement_Binding::Wrap(aCx, this, aGivenProto);
     19 }
     20 
     21 //----------------------------------------------------------------------
     22 // nsISupports methods
     23 
     24 NS_IMPL_ISUPPORTS_INHERITED(SVGTitleElement, SVGTitleElementBase,
     25                            nsIMutationObserver)
     26 
     27 //----------------------------------------------------------------------
     28 // Implementation
     29 
     30 SVGTitleElement::SVGTitleElement(
     31    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
     32    : SVGTitleElementBase(std::move(aNodeInfo)) {
     33  AddMutationObserver(this);
     34  SetEnabledCallbacks(kCharacterDataChanged | kContentAppended |
     35                      kContentInserted | kContentWillBeRemoved);
     36 }
     37 
     38 void SVGTitleElement::CharacterDataChanged(nsIContent* aContent,
     39                                           const CharacterDataChangeInfo&) {
     40  SendTitleChangeEvent(false);
     41 }
     42 
     43 void SVGTitleElement::ContentAppended(nsIContent* aFirstNewContent,
     44                                      const ContentAppendInfo&) {
     45  SendTitleChangeEvent(false);
     46 }
     47 
     48 void SVGTitleElement::ContentInserted(nsIContent* aChild,
     49                                      const ContentInsertInfo&) {
     50  SendTitleChangeEvent(false);
     51 }
     52 
     53 void SVGTitleElement::ContentWillBeRemoved(nsIContent* aChild,
     54                                           const ContentRemoveInfo&) {
     55  SendTitleChangeEvent(false);
     56 }
     57 
     58 nsresult SVGTitleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
     59  // Let this fall through.
     60  nsresult rv = SVGTitleElementBase::BindToTree(aContext, aParent);
     61  NS_ENSURE_SUCCESS(rv, rv);
     62 
     63  SendTitleChangeEvent(true);
     64 
     65  return NS_OK;
     66 }
     67 
     68 void SVGTitleElement::UnbindFromTree(UnbindContext& aContext) {
     69  SendTitleChangeEvent(false);
     70 
     71  // Let this fall through.
     72  SVGTitleElementBase::UnbindFromTree(aContext);
     73 }
     74 
     75 void SVGTitleElement::DoneAddingChildren(bool aHaveNotified) {
     76  if (!aHaveNotified) {
     77    SendTitleChangeEvent(false);
     78  }
     79 }
     80 
     81 void SVGTitleElement::SendTitleChangeEvent(bool aBound) {
     82  if (Document* doc = GetUncomposedDoc()) {
     83    doc->NotifyPossibleTitleChange(aBound);
     84  }
     85 }
     86 
     87 //----------------------------------------------------------------------
     88 // nsINode methods
     89 
     90 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGTitleElement)
     91 
     92 }  // namespace mozilla::dom