michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "AudioProcessingEvent.h"
michael@0: #include "mozilla/dom/AudioProcessingEventBinding.h"
michael@0: #include "AudioContext.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent, Event,
michael@0:                                    mInputBuffer, mOutputBuffer, mNode)
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent)
michael@0: NS_INTERFACE_MAP_END_INHERITING(Event)
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(AudioProcessingEvent, Event)
michael@0: NS_IMPL_RELEASE_INHERITED(AudioProcessingEvent, Event)
michael@0: 
michael@0: AudioProcessingEvent::AudioProcessingEvent(ScriptProcessorNode* aOwner,
michael@0:                                            nsPresContext* aPresContext,
michael@0:                                            WidgetEvent* aEvent)
michael@0:   : Event(aOwner, aPresContext, aEvent)
michael@0:   , mPlaybackTime(0.0)
michael@0:   , mNode(aOwner)
michael@0: {
michael@0:   SetIsDOMBinding();
michael@0: }
michael@0: 
michael@0: JSObject*
michael@0: AudioProcessingEvent::WrapObject(JSContext* aCx)
michael@0: {
michael@0:   return AudioProcessingEventBinding::Wrap(aCx, this);
michael@0: }
michael@0: 
michael@0: already_AddRefed<AudioBuffer>
michael@0: AudioProcessingEvent::LazilyCreateBuffer(uint32_t aNumberOfChannels,
michael@0:                                          ErrorResult& aRv)
michael@0: {
michael@0:   AutoPushJSContext cx(mNode->Context()->GetJSContext());
michael@0:   nsRefPtr<AudioBuffer> buffer =
michael@0:     AudioBuffer::Create(mNode->Context(), aNumberOfChannels,
michael@0:                         mNode->BufferSize(),
michael@0:                         mNode->Context()->SampleRate(), cx, aRv);
michael@0:   MOZ_ASSERT(buffer || aRv.ErrorCode() == NS_ERROR_OUT_OF_MEMORY);
michael@0:   return buffer.forget();
michael@0: }
michael@0: 
michael@0: }
michael@0: }
michael@0: