Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       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 "AudioProcessingEvent.h"
       8             : #include "mozilla/dom/AudioProcessingEventBinding.h"
       9             : #include "mozilla/dom/ScriptSettings.h"
      10             : #include "AudioContext.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace dom {
      14             : 
      15           0 : NS_IMPL_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent, Event,
      16             :                                    mInputBuffer, mOutputBuffer, mNode)
      17             : 
      18           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent)
      19           0 : NS_INTERFACE_MAP_END_INHERITING(Event)
      20             : 
      21           0 : NS_IMPL_ADDREF_INHERITED(AudioProcessingEvent, Event)
      22           0 : NS_IMPL_RELEASE_INHERITED(AudioProcessingEvent, Event)
      23             : 
      24           0 : AudioProcessingEvent::AudioProcessingEvent(ScriptProcessorNode* aOwner,
      25             :                                            nsPresContext* aPresContext,
      26           0 :                                            WidgetEvent* aEvent)
      27             :   : Event(aOwner, aPresContext, aEvent)
      28             :   , mPlaybackTime(0.0)
      29           0 :   , mNode(aOwner)
      30             : {
      31           0 : }
      32             : 
      33           0 : AudioProcessingEvent::~AudioProcessingEvent()
      34             : {
      35           0 : }
      36             : 
      37             : JSObject*
      38           0 : AudioProcessingEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
      39             : {
      40           0 :   return AudioProcessingEventBinding::Wrap(aCx, this, aGivenProto);
      41             : }
      42             : 
      43             : already_AddRefed<AudioBuffer>
      44           0 : AudioProcessingEvent::LazilyCreateBuffer(uint32_t aNumberOfChannels,
      45             :                                          ErrorResult& aRv)
      46             : {
      47             :   RefPtr<AudioBuffer> buffer =
      48           0 :     AudioBuffer::Create(mNode->Context()->GetOwner(), aNumberOfChannels,
      49             :                         mNode->BufferSize(),
      50           0 :                         mNode->Context()->SampleRate(), aRv);
      51           0 :   MOZ_ASSERT(buffer || aRv.ErrorCodeIs(NS_ERROR_OUT_OF_MEMORY));
      52           0 :   return buffer.forget();
      53             : }
      54             : 
      55             : } // namespace dom
      56             : } // namespace mozilla
      57             :