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

54 lines
1.5 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_nsvolumemountlock_h__
#define mozilla_system_nsvolumemountlock_h__
#include "nsIVolumeMountLock.h"
#include "nsIDOMWakeLock.h"
#include "nsIObserver.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsWeakReference.h"
namespace mozilla {
namespace system {
/* The VolumeMountLock is designed so that it can be used in the Child or
* Parent process. While the VolumeMountLock object exists, then the
* VolumeManager/AutoMounter will prevent a mounted volume from being
* shared with the PC.
*/
class nsVolumeMountLock MOZ_FINAL : public nsIVolumeMountLock,
public nsIObserver,
public nsSupportsWeakReference
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIVOLUMEMOUNTLOCK
static already_AddRefed<nsVolumeMountLock> Create(const nsAString& volumeName);
const nsString& VolumeName() const { return mVolumeName; }
private:
nsVolumeMountLock(const nsAString& aVolumeName);
~nsVolumeMountLock();
nsresult Init();
nsString mVolumeName;
int32_t mVolumeGeneration;
nsCOMPtr<nsIDOMMozWakeLock> mWakeLock;
bool mUnlocked;
};
} // namespace system
} // namespace mozilla
#endif // mozilla_system_nsvolumemountlock_h__