dom/svg/SVGTitleElement.cpp

   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 #include "mozilla/dom/SVGTitleElementBinding.h"
   9
  10 #include "mozilla/dom/Document.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 | kContentRemoved);
  36 }
  37
  38 void SVGTitleElement::CharacterDataChanged(nsIContent* aContent,
  39                                            const CharacterDataChangeInfo&) {
  40   SendTitleChangeEvent(false);
  41 }
  42
  43 void SVGTitleElement::ContentAppended(nsIContent* aFirstNewContent) {
  44   SendTitleChangeEvent(false);
  45 }
  46
  47 void SVGTitleElement::ContentInserted(nsIContent* aChild) {
  48   SendTitleChangeEvent(false);
  49 }
  50
  51 void SVGTitleElement::ContentRemoved(nsIContent* aChild,
  52                                      nsIContent* aPreviousSibling) {
  53   SendTitleChangeEvent(false);
  54 }
  55
  56 nsresult SVGTitleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
  57   // Let this fall through.
  58   nsresult rv = SVGTitleElementBase::BindToTree(aContext, aParent);
  59   NS_ENSURE_SUCCESS(rv, rv);
  60
  61   SendTitleChangeEvent(true);
  62
  63   return NS_OK;
  64 }
  65
  66 void SVGTitleElement::UnbindFromTree(UnbindContext& aContext) {
  67   SendTitleChangeEvent(false);
  68
  69   // Let this fall through.
  70   SVGTitleElementBase::UnbindFromTree(aContext);
  71 }
  72
  73 void SVGTitleElement::DoneAddingChildren(bool aHaveNotified) {
  74   if (!aHaveNotified) {
  75     SendTitleChangeEvent(false);
  76   }
  77 }
  78
  79 void SVGTitleElement::SendTitleChangeEvent(bool aBound) {
  80   Document* doc = GetUncomposedDoc();
  81   if (doc) {
  82     doc->NotifyPossibleTitleChange(aBound);
  83   }
  84 }
  85
  86 //----------------------------------------------------------------------
  87 // nsINode methods
  88
  89 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGTitleElement)
  90
  91 }  // namespace mozilla::dom