Line data    Source code

       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/HTMLPictureElement.h"
       8             : #include "mozilla/dom/HTMLPictureElementBinding.h"
       9             : #include "mozilla/dom/HTMLImageElement.h"
      10             : 
      11             : // Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Picture) to add pref check.
      12             : nsGenericHTMLElement*
      13           0 : NS_NewHTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
      14             :                          mozilla::dom::FromParser aFromParser)
      15             : {
      16           0 :   return new mozilla::dom::HTMLPictureElement(aNodeInfo);
      17             : }
      18             : 
      19             : namespace mozilla {
      20             : namespace dom {
      21             : 
      22           0 : HTMLPictureElement::HTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
      23           0 :   : nsGenericHTMLElement(aNodeInfo)
      24             : {
      25           0 : }
      26             : 
      27           0 : HTMLPictureElement::~HTMLPictureElement()
      28             : {
      29           0 : }
      30             : 
      31           0 : NS_IMPL_ISUPPORTS_INHERITED(HTMLPictureElement, nsGenericHTMLElement,
      32             :                             nsIDOMHTMLPictureElement)
      33             : 
      34           0 : NS_IMPL_ELEMENT_CLONE(HTMLPictureElement)
      35             : 
      36             : void
      37           0 : HTMLPictureElement::RemoveChildAt(uint32_t aIndex, bool aNotify)
      38             : {
      39           0 :   nsCOMPtr<nsIContent> child = GetChildAt(aIndex);
      40             : 
      41           0 :   if (child && child->IsHTMLElement(nsGkAtoms::img)) {
      42           0 :     HTMLImageElement* img = HTMLImageElement::FromContent(child);
      43           0 :     if (img) {
      44           0 :       img->PictureSourceRemoved(child->AsContent());
      45             :     }
      46           0 :   } else if (child && child->IsHTMLElement(nsGkAtoms::source)) {
      47             :     // Find all img siblings after this <source> to notify them of its demise
      48           0 :     nsCOMPtr<nsIContent> nextSibling = child->GetNextSibling();
      49           0 :     if (nextSibling && nextSibling->GetParentNode() == this) {
      50           0 :       do {
      51           0 :         HTMLImageElement* img = HTMLImageElement::FromContent(nextSibling);
      52           0 :         if (img) {
      53           0 :           img->PictureSourceRemoved(child->AsContent());
      54             :         }
      55           0 :       } while ( (nextSibling = nextSibling->GetNextSibling()) );
      56             :     }
      57             :   }
      58             : 
      59           0 :   nsGenericHTMLElement::RemoveChildAt(aIndex, aNotify);
      60           0 : }
      61             : 
      62             : nsresult
      63           0 : HTMLPictureElement::InsertChildAt(nsIContent* aKid, uint32_t aIndex, bool aNotify)
      64             : {
      65           0 :   nsresult rv = nsGenericHTMLElement::InsertChildAt(aKid, aIndex, aNotify);
      66             : 
      67           0 :   NS_ENSURE_SUCCESS(rv, rv);
      68           0 :   NS_ENSURE_TRUE(aKid, rv);
      69             : 
      70           0 :   if (aKid->IsHTMLElement(nsGkAtoms::img)) {
      71           0 :     HTMLImageElement* img = HTMLImageElement::FromContent(aKid);
      72           0 :     if (img) {
      73           0 :       img->PictureSourceAdded(aKid->AsContent());
      74             :     }
      75           0 :   } else if (aKid->IsHTMLElement(nsGkAtoms::source)) {
      76             :     // Find all img siblings after this <source> to notify them of its insertion
      77           0 :     nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
      78           0 :     if (nextSibling && nextSibling->GetParentNode() == this) {
      79           0 :       do {
      80           0 :         HTMLImageElement* img = HTMLImageElement::FromContent(nextSibling);
      81           0 :         if (img) {
      82           0 :           img->PictureSourceAdded(aKid->AsContent());
      83             :         }
      84           0 :       } while ( (nextSibling = nextSibling->GetNextSibling()) );
      85             :     }
      86             :   }
      87             : 
      88           0 :   return rv;
      89             : }
      90             : 
      91             : JSObject*
      92           0 : HTMLPictureElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
      93             : {
      94           0 :   return HTMLPictureElementBinding::Wrap(aCx, this, aGivenProto);
      95             : }
      96             : 
      97             : } // namespace dom
      98             : } // namespace mozilla