The Tor Browser / file comparison
comparison: content/media/webaudio/PlayingRefChangeHandler.h
content/media/webaudio/PlayingRefChangeHandler.h
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
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| -1:000000000000 | 0:9a8a4f65f4ca |
|---|---|
| 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 PlayingRefChangeHandler_h__ | |
| 8 #define PlayingRefChangeHandler_h__ | |
| 9 | |
| 10 #include "nsThreadUtils.h" | |
| 11 #include "AudioNodeStream.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace dom { | |
| 15 | |
| 16 class PlayingRefChangeHandler : public nsRunnable | |
| 17 { | |
| 18 public: | |
| 19 enum ChangeType { ADDREF, RELEASE }; | |
| 20 PlayingRefChangeHandler(AudioNodeStream* aStream, ChangeType aChange) | |
| 21 : mStream(aStream) | |
| 22 , mChange(aChange) | |
| 23 { | |
| 24 } | |
| 25 | |
| 26 NS_IMETHOD Run() | |
| 27 { | |
| 28 nsRefPtr<AudioNode> node; | |
| 29 { | |
| 30 // No need to keep holding the lock for the whole duration of this | |
| 31 // function, since we're holding a strong reference to it, so if | |
| 32 // we can obtain the reference, we will hold the node alive in | |
| 33 // this function. | |
| 34 MutexAutoLock lock(mStream->Engine()->NodeMutex()); | |
| 35 node = mStream->Engine()->Node(); | |
| 36 } | |
| 37 if (node) { | |
| 38 if (mChange == ADDREF) { | |
| 39 node->MarkActive(); | |
| 40 } else if (mChange == RELEASE) { | |
| 41 node->MarkInactive(); | |
| 42 } | |
| 43 } | |
| 44 return NS_OK; | |
| 45 } | |
| 46 | |
| 47 private: | |
| 48 nsRefPtr<AudioNodeStream> mStream; | |
| 49 ChangeType mChange; | |
| 50 }; | |
| 51 | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 #endif | |
| 56 |
