content/media/webaudio/PeriodicWave.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 PeriodicWave_h_
michael@0 8 #define PeriodicWave_h_
michael@0 9
michael@0 10 #include "nsWrapperCache.h"
michael@0 11 #include "nsCycleCollectionParticipant.h"
michael@0 12 #include "mozilla/Attributes.h"
michael@0 13 #include "AudioContext.h"
michael@0 14 #include "AudioNodeEngine.h"
michael@0 15 #include "nsAutoPtr.h"
michael@0 16
michael@0 17 namespace mozilla {
michael@0 18
michael@0 19 namespace dom {
michael@0 20
michael@0 21 class PeriodicWave MOZ_FINAL : public nsWrapperCache
michael@0 22 {
michael@0 23 public:
michael@0 24 PeriodicWave(AudioContext* aContext,
michael@0 25 const float* aRealData,
michael@0 26 const float* aImagData,
michael@0 27 const uint32_t aLength,
michael@0 28 ErrorResult& aRv);
michael@0 29
michael@0 30 NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PeriodicWave)
michael@0 31 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(PeriodicWave)
michael@0 32
michael@0 33 AudioContext* GetParentObject() const
michael@0 34 {
michael@0 35 return mContext;
michael@0 36 }
michael@0 37
michael@0 38 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0 39
michael@0 40 uint32_t DataLength() const
michael@0 41 {
michael@0 42 return mLength;
michael@0 43 }
michael@0 44
michael@0 45 ThreadSharedFloatArrayBufferList* GetThreadSharedBuffer() const
michael@0 46 {
michael@0 47 return mCoefficients;
michael@0 48 }
michael@0 49
michael@0 50 size_t SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
michael@0 51
michael@0 52 private:
michael@0 53 nsRefPtr<AudioContext> mContext;
michael@0 54 nsRefPtr<ThreadSharedFloatArrayBufferList> mCoefficients;
michael@0 55 uint32_t mLength;
michael@0 56 };
michael@0 57
michael@0 58 }
michael@0 59 }
michael@0 60
michael@0 61 #endif

mercurial