1 files changed, 78 insertions, 0 deletions
diff --git a/dom/system/gonk/nsVolumeService.h b/dom/system/gonk/nsVolumeService.h
new file mode 100644
index 000000000..9bddc0b8f
--- /dev/null
+++ b/dom/system/gonk/nsVolumeService.h
@@ -0,0 +1,78 @@
+/* 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(nsVolume* 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,
+                                              nsVolume::Array::index_type* aIndex = nullptr);
+
+  Monitor mArrayMonitor;
+  nsVolume::Array mVolumeArray;
+
+  static StaticRefPtr<nsVolumeService> sSingleton;
+  bool mGotVolumesFromParent;
+};
+
+} // system
+} // mozilla
+
+#endif  // mozilla_system_nsvolumeservice_h__