108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_devicestorage_DeviceStorageStatics_h
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#define mozilla_dom_devicestorage_DeviceStorageStatics_h
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#include "mozilla/Mutex.h"
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class nsDOMDeviceStorage;
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class DeviceStorageFile;
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#ifdef MOZ_WIDGET_GONK
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class nsIVolume;
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#endif
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namespace mozilla {
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namespace dom {
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namespace devicestorage {
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class DeviceStorageStatics final : public nsIObserver
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIOBSERVER
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static void Initialize();
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static void InitializeDirs();
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static void AddListener(nsDOMDeviceStorage* aListener);
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static void RemoveListener(nsDOMDeviceStorage* aListener);
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static bool LowDiskSpace();
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static bool IsPromptTesting();
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static void GetWritableName(nsString& aName);
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static void SetWritableName(const nsAString& aName);
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static bool HasOverrideRootDir();
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static already_AddRefed<nsIFile> GetAppsDir();
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static already_AddRefed<nsIFile> GetCrashesDir();
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static already_AddRefed<nsIFile> GetPicturesDir();
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static already_AddRefed<nsIFile> GetVideosDir();
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static already_AddRefed<nsIFile> GetMusicDir();
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static already_AddRefed<nsIFile> GetSdcardDir();
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private:
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enum DeviceStorageType {
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TYPE_APPS,
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TYPE_CRASHES,
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TYPE_PICTURES,
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TYPE_VIDEOS,
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TYPE_MUSIC,
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TYPE_SDCARD,
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TYPE_OVERRIDE,
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TYPE_COUNT
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};
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static already_AddRefed<nsIFile> GetDir(DeviceStorageType aType);
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DeviceStorageStatics();
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virtual ~DeviceStorageStatics();
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void Init();
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void InitDirs();
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void DumpDirs();
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void Shutdown();
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void Register();
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void Deregister();
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void ResetOverrideRootDir();
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class ListenerWrapper final {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ListenerWrapper)
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explicit ListenerWrapper(nsDOMDeviceStorage* aListener);
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bool Equals(nsDOMDeviceStorage* aListener);
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void OnFileWatcherUpdate(const nsCString& aData, DeviceStorageFile* aFile);
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void OnDiskSpaceWatcher(bool aLowDiskSpace);
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void OnWritableNameChanged();
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#ifdef MOZ_WIDGET_GONK
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void OnVolumeStateChanged(nsIVolume* aVolume);
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#endif
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private:
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virtual ~ListenerWrapper();
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nsWeakPtr mListener;
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nsCOMPtr<nsIThread> mOwningThread;
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};
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nsTArray<RefPtr<ListenerWrapper> > mListeners;
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nsCOMPtr<nsIFile> mDirs[TYPE_COUNT];
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bool mInitialized;
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bool mPromptTesting;
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bool mLowDiskSpace;
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nsString mWritableName;
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static StaticRefPtr<DeviceStorageStatics> sInstance;
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static StaticMutex sMutex;
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};
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} // namespace devicestorage
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} // namespace dom
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} // namespace mozilla
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#endif
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