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

78 lines
2.2 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_nsvolumeservice_h__
#define mozilla_system_nsvolumeservice_h__
#include "mozilla/Monitor.h"
#include "mozilla/RefPtr.h"
#include "mozilla/StaticPtr.h"
#include "nsCOMPtr.h"
#include "nsIDOMWakeLockListener.h"
#include "nsIVolume.h"
#include "nsIVolumeService.h"
#include "nsVolume.h"
namespace mozilla {
namespace dom {
class VolumeInfo;
} // dom
namespace system {
class Volume;
/***************************************************************************
* The nsVolumeData class encapsulates the data that is updated/maintained
* on the main thread in order to support the nsIVolume and nsIVolumeService
* classes.
*/
class nsVolumeService final : public nsIVolumeService,
public nsIDOMMozWakeLockListener
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIVOLUMESERVICE
NS_DECL_NSIDOMMOZWAKELOCKLISTENER
nsVolumeService();
static already_AddRefed<nsVolumeService> GetSingleton();
//static nsVolumeService* GetSingleton();
static void Shutdown();
void DumpNoLock(const char* aLabel);
// To use this function, you have to create a new volume and pass it in.
void UpdateVolume(nsIVolume* aVolume, bool aNotifyObservers = true);
void UpdateVolumeIOThread(const Volume* aVolume);
void RecvVolumesFromParent(const nsTArray<dom::VolumeInfo>& aVolumes);
void GetVolumesForIPC(nsTArray<dom::VolumeInfo>* aResult);
void RemoveVolumeByName(const nsAString& aName);
private:
~nsVolumeService();
void CheckMountLock(const nsAString& aMountLockName,
const nsAString& aMountLockState);
already_AddRefed<nsVolume> FindVolumeByMountLockName(const nsAString& aMountLockName);
already_AddRefed<nsVolume> FindVolumeByName(const nsAString& aName);
already_AddRefed<nsVolume> CreateOrFindVolumeByName(const nsAString& aName, bool aIsFake = false);
Monitor mArrayMonitor;
nsVolume::Array mVolumeArray;
static StaticRefPtr<nsVolumeService> sSingleton;
bool mGotVolumesFromParent;
};
} // system
} // mozilla
#endif // mozilla_system_nsvolumeservice_h__