The Tor Browser / file comparison
comparison: content/media/webaudio/AudioProcessingEvent.h
content/media/webaudio/AudioProcessingEvent.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:79710ce804d6 |
|---|---|
| 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 #ifndef AudioProcessingEvent_h_ | |
| 8 #define AudioProcessingEvent_h_ | |
| 9 | |
| 10 #include "AudioBuffer.h" | |
| 11 #include "ScriptProcessorNode.h" | |
| 12 #include "mozilla/dom/Event.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace dom { | |
| 16 | |
| 17 class AudioProcessingEvent : public Event | |
| 18 { | |
| 19 public: | |
| 20 AudioProcessingEvent(ScriptProcessorNode* aOwner, | |
| 21 nsPresContext* aPresContext, | |
| 22 WidgetEvent* aEvent); | |
| 23 | |
| 24 NS_DECL_ISUPPORTS_INHERITED | |
| 25 NS_FORWARD_TO_EVENT | |
| 26 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioProcessingEvent, Event) | |
| 27 | |
| 28 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 29 | |
| 30 void InitEvent(AudioBuffer* aInputBuffer, | |
| 31 uint32_t aNumberOfInputChannels, | |
| 32 double aPlaybackTime) | |
| 33 { | |
| 34 InitEvent(NS_LITERAL_STRING("audioprocess"), false, false); | |
| 35 mInputBuffer = aInputBuffer; | |
| 36 mNumberOfInputChannels = aNumberOfInputChannels; | |
| 37 mPlaybackTime = aPlaybackTime; | |
| 38 } | |
| 39 | |
| 40 double PlaybackTime() const | |
| 41 { | |
| 42 return mPlaybackTime; | |
| 43 } | |
| 44 | |
| 45 AudioBuffer* GetInputBuffer(ErrorResult& aRv) | |
| 46 { | |
| 47 if (!mInputBuffer) { | |
| 48 mInputBuffer = LazilyCreateBuffer(mNumberOfInputChannels, aRv); | |
| 49 } | |
| 50 return mInputBuffer; | |
| 51 } | |
| 52 | |
| 53 AudioBuffer* GetOutputBuffer(ErrorResult& aRv) | |
| 54 { | |
| 55 if (!mOutputBuffer) { | |
| 56 mOutputBuffer = LazilyCreateBuffer(mNode->NumberOfOutputChannels(), aRv); | |
| 57 } | |
| 58 return mOutputBuffer; | |
| 59 } | |
| 60 | |
| 61 bool HasOutputBuffer() const | |
| 62 { | |
| 63 return !!mOutputBuffer; | |
| 64 } | |
| 65 | |
| 66 private: | |
| 67 already_AddRefed<AudioBuffer> | |
| 68 LazilyCreateBuffer(uint32_t aNumberOfChannels, ErrorResult& rv); | |
| 69 | |
| 70 private: | |
| 71 double mPlaybackTime; | |
| 72 nsRefPtr<AudioBuffer> mInputBuffer; | |
| 73 nsRefPtr<AudioBuffer> mOutputBuffer; | |
| 74 nsRefPtr<ScriptProcessorNode> mNode; | |
| 75 uint32_t mNumberOfInputChannels; | |
| 76 }; | |
| 77 | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 #endif | |
| 82 |
