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comparison: dom/system/gonk/VolumeServiceIOThread.cpp
dom/system/gonk/VolumeServiceIOThread.cpp
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| -1:000000000000 | 0:13f57c0bf967 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "VolumeServiceIOThread.h" | |
| 6 #include "base/message_loop.h" | |
| 7 #include "nsVolumeService.h" | |
| 8 #include "nsXULAppAPI.h" | |
| 9 #include "Volume.h" | |
| 10 #include "VolumeManager.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace system { | |
| 14 | |
| 15 VolumeServiceIOThread::VolumeServiceIOThread(nsVolumeService* aVolumeService) | |
| 16 : mVolumeService(aVolumeService) | |
| 17 { | |
| 18 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 19 | |
| 20 VolumeManager::RegisterStateObserver(this); | |
| 21 Volume::RegisterObserver(this); | |
| 22 UpdateAllVolumes(); | |
| 23 } | |
| 24 | |
| 25 VolumeServiceIOThread::~VolumeServiceIOThread() | |
| 26 { | |
| 27 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 28 Volume::UnregisterObserver(this); | |
| 29 VolumeManager::UnregisterStateObserver(this); | |
| 30 } | |
| 31 | |
| 32 void | |
| 33 VolumeServiceIOThread::Notify(Volume* const & aVolume) | |
| 34 { | |
| 35 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 36 if (VolumeManager::State() != VolumeManager::VOLUMES_READY) { | |
| 37 return; | |
| 38 } | |
| 39 mVolumeService->UpdateVolumeIOThread(aVolume); | |
| 40 } | |
| 41 | |
| 42 void | |
| 43 VolumeServiceIOThread::Notify(const VolumeManager::StateChangedEvent& aEvent) | |
| 44 { | |
| 45 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 46 UpdateAllVolumes(); | |
| 47 } | |
| 48 | |
| 49 void | |
| 50 VolumeServiceIOThread::UpdateAllVolumes() | |
| 51 { | |
| 52 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 53 if (VolumeManager::State() != VolumeManager::VOLUMES_READY) { | |
| 54 return; | |
| 55 } | |
| 56 VolumeManager::VolumeArray::size_type numVolumes = VolumeManager::NumVolumes(); | |
| 57 VolumeManager::VolumeArray::index_type volIndex; | |
| 58 | |
| 59 for (volIndex = 0; volIndex < numVolumes; volIndex++) { | |
| 60 RefPtr<Volume> vol = VolumeManager::GetVolume(volIndex); | |
| 61 mVolumeService->UpdateVolumeIOThread(vol); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 static StaticRefPtr<VolumeServiceIOThread> sVolumeServiceIOThread; | |
| 66 | |
| 67 void | |
| 68 InitVolumeServiceIOThread(nsVolumeService* const & aVolumeService) | |
| 69 { | |
| 70 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 71 sVolumeServiceIOThread = new VolumeServiceIOThread(aVolumeService); | |
| 72 } | |
| 73 | |
| 74 void | |
| 75 ShutdownVolumeServiceIOThread() | |
| 76 { | |
| 77 MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop()); | |
| 78 sVolumeServiceIOThread = nullptr; | |
| 79 } | |
| 80 | |
| 81 } // system | |
| 82 } // mozilla |
