| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Manages all the gallery file watchers for the associated profile. This class |
| // lives on the file thread. This class is instantiated per profile. This |
| // is temporary and will be moved to a permanent, public place in the near |
| // future. Please refer to crbug.com/166950 for more details. |
| |
| #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_MANAGER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_MANAGER_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/files/file_path.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/media_galleries/media_galleries_preferences.h" |
| |
| namespace extensions { |
| |
| class MediaGalleriesPrivateEventRouter; |
| |
| class GalleryWatchManager { |
| public: |
| // Returns the GalleryWatchManager for |profile_id|, creating it if it is not |
| // yet created. |
| static GalleryWatchManager* GetForProfile(void* profile_id); |
| |
| // Returns true if an GalleryWatchManager already exists for the specified |
| // |profile_id|. |
| static bool HasForProfile(void* profile_id); |
| |
| // Notifies about the profile shutdown event. |
| static void OnProfileShutdown(void* profile_id); |
| |
| // Sets up a gallery watch for the extension specified by the |extension_id|. |
| // |profile_id| specifies the extension profile identifier. |
| // |gallery_id| specifies the gallery identifier. |
| // |watch_path| specifies the absolute gallery path. |
| // Returns true, if the watch setup operation was successful. |
| static bool SetupGalleryWatch( |
| void* profile_id, |
| MediaGalleryPrefId gallery_id, |
| const base::FilePath& watch_path, |
| const std::string& extension_id, |
| base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router); |
| |
| // Cancels the gallery watch for the extension specified by the |
| // |extension_id|. |profile_id| specifies the extension profile identifier. |
| // |watch_path| specifies the absolute gallery path. |
| static void RemoveGalleryWatch(void* profile_id, |
| const base::FilePath& watch_path, |
| const std::string& extension_id); |
| |
| // Notifies about the extension unloaded/uninstalled event. |
| static void OnExtensionUnloaded(void* profile_id, |
| const std::string& extension_id); |
| |
| private: |
| class GalleryFilePathWatcher; |
| typedef std::map<base::FilePath, GalleryFilePathWatcher*> WatcherMap; |
| |
| // Use GetForProfile(). |
| GalleryWatchManager(); |
| ~GalleryWatchManager(); |
| |
| // Initiates a gallery watch operation for the extension specified by |
| // the |extension_id|. |gallery_id| specifies the gallery identifier and |
| // |watch_path| specifies the absolute path of the gallery. Returns true, |
| // if the watch was set successfully. |
| bool StartGalleryWatch( |
| MediaGalleryPrefId gallery_id, |
| const base::FilePath& watch_path, |
| const std::string& extension_id, |
| base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router); |
| |
| // Cancels the gallery watch operation for the extension specified by the |
| // |extension_id|. |watch_path| specifies the absolute path of the gallery. |
| void StopGalleryWatch(const base::FilePath& watch_path, |
| const std::string& extension_id); |
| |
| // Handles the extension unloaded/uninstalled event. |
| void HandleExtensionUnloadedEvent(const std::string& extension_id); |
| |
| // Deletes the gallery watchers. |
| void DeleteAllWatchers(); |
| |
| // Removes the GalleryFilePathWatcher entry associated with the given |
| // |watch_path|. |
| void RemoveGalleryFilePathWatcherEntry(const base::FilePath& watch_path); |
| |
| // Map to manage the gallery file path watchers. |
| // Key: Gallery watch path. |
| // Value: GalleryFilePathWatcher*. |
| WatcherMap gallery_watchers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GalleryWatchManager); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_MANAGER_H_ |