src/chrome/browser/extensions/api/media_galleries_private/media_galleries_private_event_router.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Manages events for the private Chrome extensions media galleries API. This
   6 // is temporary and will be moved to a permanent, public place in the near
   7 // future. This class object lives on the UI thread.
   8
   9 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_EVENT_ROUTER_H_
  10 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_EVENT_ROUTER_H_
  11
  12 #include <set>
  13 #include <string>
  14
  15 #include "base/basictypes.h"
  16 #include "base/compiler_specific.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/memory/weak_ptr.h"
  19 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
  20 #include "chrome/browser/storage_monitor/removable_storage_observer.h"
  21
  22 class Profile;
  23
  24 namespace base {
  25 class ListValue;
  26 }
  27
  28 namespace extensions {
  29
  30 class MediaGalleriesPrivateEventRouter
  31     : public RemovableStorageObserver,
  32       public base::SupportsWeakPtr<MediaGalleriesPrivateEventRouter> {
  33  public:
  34   explicit MediaGalleriesPrivateEventRouter(Profile* profile);
  35   virtual ~MediaGalleriesPrivateEventRouter();
  36
  37   // Gallery changed event handler.
  38   void OnGalleryChanged(MediaGalleryPrefId gallery_id,
  39                         const std::set<std::string>& extension_ids);
  40
  41  private:
  42   // RemovableStorageObserver implementation.
  43   virtual void OnRemovableStorageAttached(const StorageInfo& info) OVERRIDE;
  44   virtual void OnRemovableStorageDetached(const StorageInfo& info) OVERRIDE;
  45
  46   void DispatchEvent(const std::string& event_name,
  47                      scoped_ptr<base::ListValue> event_args);
  48
  49   // Current profile.
  50   Profile* profile_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesPrivateEventRouter);
  53 };
  54
  55 }  // namespace extensions
  56
  57 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_EVENT_ROUTER_H_