image/src/ScriptedNotificationObserver.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   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 "ScriptedNotificationObserver.h"
   8 #include "imgIScriptedNotificationObserver.h"
   9 #include "nsCycleCollectionParticipant.h"
  10
  11 using namespace mozilla::image;
  12
  13 NS_IMPL_CYCLE_COLLECTION_1(ScriptedNotificationObserver, mInner)
  14
  15 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScriptedNotificationObserver)
  16   NS_INTERFACE_MAP_ENTRY(imgINotificationObserver)
  17   NS_INTERFACE_MAP_ENTRY(nsISupports)
  18 NS_INTERFACE_MAP_END
  19
  20 NS_IMPL_CYCLE_COLLECTING_ADDREF(ScriptedNotificationObserver)
  21 NS_IMPL_CYCLE_COLLECTING_RELEASE(ScriptedNotificationObserver)
  22
  23 ScriptedNotificationObserver::ScriptedNotificationObserver(
  24     imgIScriptedNotificationObserver* aInner)
  25 : mInner(aInner)
  26 {
  27 }
  28
  29 NS_IMETHODIMP
  30 ScriptedNotificationObserver::Notify(imgIRequest* aRequest,
  31                                      int32_t aType,
  32                                      const nsIntRect* /*aUnused*/)
  33 {
  34   if (aType == imgINotificationObserver::SIZE_AVAILABLE)
  35     return mInner->SizeAvailable(aRequest);
  36   if (aType == imgINotificationObserver::FRAME_UPDATE)
  37     return mInner->FrameUpdate(aRequest);
  38   if (aType == imgINotificationObserver::FRAME_COMPLETE)
  39     return mInner->FrameComplete(aRequest);
  40   if (aType == imgINotificationObserver::DECODE_COMPLETE)
  41     return mInner->DecodeComplete(aRequest);
  42   if (aType == imgINotificationObserver::LOAD_COMPLETE)
  43     return mInner->LoadComplete(aRequest);
  44   if (aType == imgINotificationObserver::DISCARD)
  45     return mInner->Discard(aRequest);
  46   if (aType == imgINotificationObserver::IS_ANIMATED)
  47     return mInner->IsAnimated(aRequest);
  48   return NS_OK;
  49 }