gecko/dom/system/gonk/nsVolume.h

130 lines
4.1 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_nsvolume_h__
#define mozilla_system_nsvolume_h__
#include "nsCOMPtr.h"
#include "nsIVolume.h"
#include "nsString.h"
#include "nsTArray.h"
namespace mozilla {
namespace system {
class Volume;
class VolumeMountLock;
class nsVolume : public nsIVolume
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIVOLUME
// This constructor is used by the UpdateVolumeRunnable constructor
nsVolume(const Volume* aVolume);
// This constructor is used by ContentChild::RecvFileSystemUpdate which is
// used to update the volume cache maintained in the child process.
nsVolume(const nsAString& aName, const nsAString& aMountPoint,
const int32_t& aState, const int32_t& aMountGeneration,
const bool& aIsMediaPresent, const bool& aIsSharing,
const bool& aIsFormatting, const bool& aIsFake,
const bool& aIsUnmounting, const bool& aIsRemovable,
const bool& aIsHotSwappable)
: mName(aName),
mMountPoint(aMountPoint),
mState(aState),
mMountGeneration(aMountGeneration),
mMountLocked(false),
mIsFake(aIsFake),
mIsMediaPresent(aIsMediaPresent),
mIsSharing(aIsSharing),
mIsFormatting(aIsFormatting),
mIsUnmounting(aIsUnmounting),
mIsRemovable(aIsRemovable),
mIsHotSwappable(aIsHotSwappable)
{
}
// This constructor is used by nsVolumeService::FindAddVolumeByName, and
// will be followed shortly by a Set call.
nsVolume(const nsAString& aName)
: mName(aName),
mState(STATE_INIT),
mMountGeneration(-1),
mMountLocked(true), // Needs to agree with Volume::Volume
mIsFake(false),
mIsMediaPresent(false),
mIsSharing(false),
mIsFormatting(false),
mIsUnmounting(false),
mIsRemovable(false),
mIsHotSwappable(false)
{
}
bool Equals(nsIVolume* aVolume);
void Set(nsIVolume* aVolume);
void LogState() const;
const nsString& Name() const { return mName; }
nsCString NameStr() const { return NS_LossyConvertUTF16toASCII(mName); }
void Dump(const char* aLabel) const;
int32_t MountGeneration() const { return mMountGeneration; }
bool IsMountLocked() const { return mMountLocked; }
const nsString& MountPoint() const { return mMountPoint; }
nsCString MountPointStr() const { return NS_LossyConvertUTF16toASCII(mMountPoint); }
int32_t State() const { return mState; }
const char* StateStr() const { return NS_VolumeStateStr(mState); }
bool IsFake() const { return mIsFake; }
bool IsMediaPresent() const { return mIsMediaPresent; }
bool IsSharing() const { return mIsSharing; }
bool IsFormatting() const { return mIsFormatting; }
bool IsUnmounting() const { return mIsUnmounting; }
bool IsRemovable() const { return mIsRemovable; }
bool IsHotSwappable() const { return mIsHotSwappable; }
typedef nsTArray<nsRefPtr<nsVolume> > Array;
private:
virtual ~nsVolume() {} // MozExternalRefCountType complains if this is non-virtual
friend class nsVolumeService; // Calls the following XxxMountLock functions
void UpdateMountLock(const nsAString& aMountLockState);
void UpdateMountLock(bool aMountLocked);
void SetIsFake(bool aIsFake);
void SetIsRemovable(bool aIsRemovable);
void SetIsHotSwappable(bool aIsHotSwappble);
void SetState(int32_t aState);
static void FormatVolumeIOThread(const nsCString& aVolume);
static void MountVolumeIOThread(const nsCString& aVolume);
static void UnmountVolumeIOThread(const nsCString& aVolume);
nsString mName;
nsString mMountPoint;
int32_t mState;
int32_t mMountGeneration;
bool mMountLocked;
bool mIsFake;
bool mIsMediaPresent;
bool mIsSharing;
bool mIsFormatting;
bool mIsUnmounting;
bool mIsRemovable;
bool mIsHotSwappable;
};
} // system
} // mozilla
#endif // mozilla_system_nsvolume_h__