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Diffstat (limited to 'dom/system/gonk/VolumeManager.h')
| -rw-r--r-- | dom/system/gonk/VolumeManager.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/dom/system/gonk/VolumeManager.h b/dom/system/gonk/VolumeManager.h deleted file mode 100644 index 7c0503389..000000000 --- a/dom/system/gonk/VolumeManager.h +++ /dev/null @@ -1,192 +0,0 @@ -/* 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_volumemanager_h__ -#define mozilla_system_volumemanager_h__ - -#include <vector> -#include <queue> - -#include "base/message_loop.h" -#include "mozilla/FileUtils.h" -#include "mozilla/Observer.h" -#include "nsISupportsImpl.h" -#include "nsString.h" -#include "nsTArray.h" - -#include "Volume.h" -#include "VolumeCommand.h" - -namespace mozilla { -namespace system { - -/*************************************************************************** -* -* All of the public API mentioned in this file (unless otherwise -* mentioned) must run from the IOThread. -* -***************************************************************************/ - -/*************************************************************************** -* -* The VolumeManager class is a front-end for android's vold service. -* -* Vold uses a unix socket interface and accepts null-terminated string -* commands. The following commands were determined by examining the vold -* source code: -* -* volume list -* volume mount <volname> -* volume unmount <volname> [force] -* volume debug [on|off] -* volume format <volname> -* volume share <volname> <method> -* volume unshare <volname> <method> -* volume shared <volname> <method> -* -* <volname> is the name of the volume as used in /system/etc/vold.fstab -* <method> is ums -* -* dump -* -* share status <method> (Determines if a particular sharing method is available) -* (GB only - not available in ICS) -* -* storage users (??? always crashes vold ???) -* -* asec list -* asec ...lots more... -* -* obb list -* obb ...lots more... -* -* xwarp enable -* xwarp disable -* xwarp status -* -* There is also a command line tool called vdc, which can be used to send -* the above commands to vold. -* -* Currently, only the volume list, share/unshare, and mount/unmount -* commands are being used. -* -***************************************************************************/ - -class VolumeManager final : public MessageLoopForIO::LineWatcher -{ - virtual ~VolumeManager(); - -public: - NS_INLINE_DECL_REFCOUNTING(VolumeManager) - - typedef nsTArray<RefPtr<Volume>> VolumeArray; - - VolumeManager(); - - //----------------------------------------------------------------------- - // - // State related methods. - // - // The VolumeManager starts off in the STARTING state. Once a connection - // is established with vold, it asks for a list of volumes, and once the - // volume list has been received, then the VolumeManager enters the - // VOLUMES_READY state. - // - // If vold crashes, then the VolumeManager will once again enter the - // STARTING state and try to reestablish a connection with vold. - - enum STATE - { - UNINITIALIZED, - STARTING, - VOLUMES_READY - }; - - static STATE State(); - static const char* StateStr(STATE aState); - static const char* StateStr() { return StateStr(State()); } - - class StateChangedEvent - { - public: - StateChangedEvent() {} - }; - - typedef mozilla::Observer<StateChangedEvent> StateObserver; - typedef mozilla::ObserverList<StateChangedEvent> StateObserverList; - - static void RegisterStateObserver(StateObserver* aObserver); - static void UnregisterStateObserver(StateObserver* aObserver); - - //----------------------------------------------------------------------- - - static void Start(); - static void Dump(const char* aLabel); - - static VolumeArray::size_type NumVolumes(); - static already_AddRefed<Volume> GetVolume(VolumeArray::index_type aIndex); - static already_AddRefed<Volume> FindVolumeByName(const nsCSubstring& aName); - static already_AddRefed<Volume> FindAddVolumeByName(const nsCSubstring& aName); - static bool RemoveVolumeByName(const nsCSubstring& aName); - static void InitConfig(); - - static void PostCommand(VolumeCommand* aCommand); - -protected: - - virtual void OnLineRead(int aFd, nsDependentCSubstring& aMessage); - virtual void OnFileCanWriteWithoutBlocking(int aFd); - virtual void OnError(); - - static void DefaultConfig(); - -private: - bool OpenSocket(); - - friend class VolumeListCallback; // Calls SetState - - static void SetState(STATE aNewState); - - void Restart(); - void WriteCommandData(); - void HandleBroadcast(int aResponseCode, nsCString& aResponseLine); - - typedef std::queue<RefPtr<VolumeCommand> > CommandQueue; - - static STATE mState; - static StateObserverList mStateObserverList; - - static const int kRcvBufSize = 1024; - ScopedClose mSocket; - VolumeArray mVolumeArray; - CommandQueue mCommands; - bool mCommandPending; - MessageLoopForIO::FileDescriptorWatcher mReadWatcher; - MessageLoopForIO::FileDescriptorWatcher mWriteWatcher; - RefPtr<VolumeResponseCallback> mBroadcastCallback; -}; - -/*************************************************************************** -* -* The initialization/shutdown functions do not need to be called from -* the IOThread context. -* -***************************************************************************/ - -/** - * Initialize the Volume Manager. On initialization, the VolumeManager will - * attempt to connect with vold and collect the list of volumes that vold - * knows about. - */ -void InitVolumeManager(); - -/** - * Shuts down the Volume Manager. - */ -void ShutdownVolumeManager(); - -} // system -} // mozilla - -#endif // mozilla_system_volumemanager_h__ |