content/media/webaudio/AudioProcessingEvent.h@97036ab72558 (annotated)
content/media/webaudio/AudioProcessingEvent.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef AudioProcessingEvent_h_ |
| michael@0 | 8 | #define AudioProcessingEvent_h_ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "AudioBuffer.h" |
| michael@0 | 11 | #include "ScriptProcessorNode.h" |
| michael@0 | 12 | #include "mozilla/dom/Event.h" |
| michael@0 | 13 | |
| michael@0 | 14 | namespace mozilla { |
| michael@0 | 15 | namespace dom { |
| michael@0 | 16 | |
| michael@0 | 17 | class AudioProcessingEvent : public Event |
| michael@0 | 18 | { |
| michael@0 | 19 | public: |
| michael@0 | 20 | AudioProcessingEvent(ScriptProcessorNode* aOwner, |
| michael@0 | 21 | nsPresContext* aPresContext, |
| michael@0 | 22 | WidgetEvent* aEvent); |
| michael@0 | 23 | |
| michael@0 | 24 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 25 | NS_FORWARD_TO_EVENT |
| michael@0 | 26 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioProcessingEvent, Event) |
| michael@0 | 27 | |
| michael@0 | 28 | virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
| michael@0 | 29 | |
| michael@0 | 30 | void InitEvent(AudioBuffer* aInputBuffer, |
| michael@0 | 31 | uint32_t aNumberOfInputChannels, |
| michael@0 | 32 | double aPlaybackTime) |
| michael@0 | 33 | { |
| michael@0 | 34 | InitEvent(NS_LITERAL_STRING("audioprocess"), false, false); |
| michael@0 | 35 | mInputBuffer = aInputBuffer; |
| michael@0 | 36 | mNumberOfInputChannels = aNumberOfInputChannels; |
| michael@0 | 37 | mPlaybackTime = aPlaybackTime; |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | double PlaybackTime() const |
| michael@0 | 41 | { |
| michael@0 | 42 | return mPlaybackTime; |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | AudioBuffer* GetInputBuffer(ErrorResult& aRv) |
| michael@0 | 46 | { |
| michael@0 | 47 | if (!mInputBuffer) { |
| michael@0 | 48 | mInputBuffer = LazilyCreateBuffer(mNumberOfInputChannels, aRv); |
| michael@0 | 49 | } |
| michael@0 | 50 | return mInputBuffer; |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | AudioBuffer* GetOutputBuffer(ErrorResult& aRv) |
| michael@0 | 54 | { |
| michael@0 | 55 | if (!mOutputBuffer) { |
| michael@0 | 56 | mOutputBuffer = LazilyCreateBuffer(mNode->NumberOfOutputChannels(), aRv); |
| michael@0 | 57 | } |
| michael@0 | 58 | return mOutputBuffer; |
| michael@0 | 59 | } |
| michael@0 | 60 | |
| michael@0 | 61 | bool HasOutputBuffer() const |
| michael@0 | 62 | { |
| michael@0 | 63 | return !!mOutputBuffer; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | private: |
| michael@0 | 67 | already_AddRefed<AudioBuffer> |
| michael@0 | 68 | LazilyCreateBuffer(uint32_t aNumberOfChannels, ErrorResult& rv); |
| michael@0 | 69 | |
| michael@0 | 70 | private: |
| michael@0 | 71 | double mPlaybackTime; |
| michael@0 | 72 | nsRefPtr<AudioBuffer> mInputBuffer; |
| michael@0 | 73 | nsRefPtr<AudioBuffer> mOutputBuffer; |
| michael@0 | 74 | nsRefPtr<ScriptProcessorNode> mNode; |
| michael@0 | 75 | uint32_t mNumberOfInputChannels; |
| michael@0 | 76 | }; |
| michael@0 | 77 | |
| michael@0 | 78 | } |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | #endif |
| michael@0 | 82 |
