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Unified Diff: chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h

Issue 11535008: Implement mediaGalleriesPrivate api to notify extensions about gallery changed events. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Disable SetupGalleryWatch browser test on ChromeOS Created 7 years, 12 months ago
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Index: chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h
diff --git a/chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h b/chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..18fdc8a162051a20476a68e5940e00345da89d4e
--- /dev/null
+++ b/chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h
@@ -0,0 +1,80 @@
+// 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/file_path.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/media_gallery/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);
+
+ // 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(
+ chrome::MediaGalleryPrefId gallery_id,
+ const 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 FilePath& watch_path,
+ const std::string& extension_id);
+
+ // Handles the extension unloaded/uninstalled/destroyed event.
+ void OnExtensionDestroyed(const std::string& extension_id);
+
+ private:
+ class GalleryFilePathWatcher;
+ typedef std::map<FilePath, GalleryFilePathWatcher* > WatcherMap;
+
+ // Use GetForProfile().
+ GalleryWatchManager();
+ ~GalleryWatchManager();
+
+ // Deletes the gallery watchers.
+ void DeleteAllWatchers();
+
+ // Removes the GalleryFilePathWatcher entry associated with the given
+ // |watch_path|.
+ void RemoveGalleryFilePathWatcherEntry(const 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_
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