gecko-dev/dom/system/gonk/VolumeServiceIOThread.h

45 lines
1.3 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_system_volumeserviceiothread_h__
#define mozilla_system_volumeserviceiothread_h__
#include "Volume.h"
#include "VolumeManager.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
namespace system {
class nsVolumeService;
/***************************************************************************
* The nsVolumeServiceIOThread is a companion class to the nsVolumeService
* class, but whose methods are called from IOThread.
*/
class VolumeServiceIOThread : public VolumeManager::StateObserver,
public Volume::EventObserver,
public RefCounted<VolumeServiceIOThread>
{
public:
VolumeServiceIOThread(nsVolumeService* aVolumeService);
~VolumeServiceIOThread();
private:
void UpdateAllVolumes();
virtual void Notify(const VolumeManager::StateChangedEvent& aEvent);
virtual void Notify(Volume* const & aVolume);
RefPtr<nsVolumeService> mVolumeService;
};
void InitVolumeServiceIOThread(nsVolumeService* const & aVolumeService);
void ShutdownVolumeServiceIOThread();
} // system
} // mozilla
#endif // mozilla_system_volumeserviceiothread_h__