content/media/webaudio/AudioProcessingEvent.cpp@97036ab72558 (annotated)
content/media/webaudio/AudioProcessingEvent.cpp
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 | #include "AudioProcessingEvent.h" |
| michael@0 | 8 | #include "mozilla/dom/AudioProcessingEventBinding.h" |
| michael@0 | 9 | #include "AudioContext.h" |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | namespace dom { |
| michael@0 | 13 | |
| michael@0 | 14 | NS_IMPL_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent, Event, |
| michael@0 | 15 | mInputBuffer, mOutputBuffer, mNode) |
| michael@0 | 16 | |
| michael@0 | 17 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent) |
| michael@0 | 18 | NS_INTERFACE_MAP_END_INHERITING(Event) |
| michael@0 | 19 | |
| michael@0 | 20 | NS_IMPL_ADDREF_INHERITED(AudioProcessingEvent, Event) |
| michael@0 | 21 | NS_IMPL_RELEASE_INHERITED(AudioProcessingEvent, Event) |
| michael@0 | 22 | |
| michael@0 | 23 | AudioProcessingEvent::AudioProcessingEvent(ScriptProcessorNode* aOwner, |
| michael@0 | 24 | nsPresContext* aPresContext, |
| michael@0 | 25 | WidgetEvent* aEvent) |
| michael@0 | 26 | : Event(aOwner, aPresContext, aEvent) |
| michael@0 | 27 | , mPlaybackTime(0.0) |
| michael@0 | 28 | , mNode(aOwner) |
| michael@0 | 29 | { |
| michael@0 | 30 | SetIsDOMBinding(); |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | JSObject* |
| michael@0 | 34 | AudioProcessingEvent::WrapObject(JSContext* aCx) |
| michael@0 | 35 | { |
| michael@0 | 36 | return AudioProcessingEventBinding::Wrap(aCx, this); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | already_AddRefed<AudioBuffer> |
| michael@0 | 40 | AudioProcessingEvent::LazilyCreateBuffer(uint32_t aNumberOfChannels, |
| michael@0 | 41 | ErrorResult& aRv) |
| michael@0 | 42 | { |
| michael@0 | 43 | AutoPushJSContext cx(mNode->Context()->GetJSContext()); |
| michael@0 | 44 | nsRefPtr<AudioBuffer> buffer = |
| michael@0 | 45 | AudioBuffer::Create(mNode->Context(), aNumberOfChannels, |
| michael@0 | 46 | mNode->BufferSize(), |
| michael@0 | 47 | mNode->Context()->SampleRate(), cx, aRv); |
| michael@0 | 48 | MOZ_ASSERT(buffer || aRv.ErrorCode() == NS_ERROR_OUT_OF_MEMORY); |
| michael@0 | 49 | return buffer.forget(); |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | } |
| michael@0 | 53 | } |
| michael@0 | 54 |
