chrome/browser/extensions/api/media_galleries_private/media_galleries_private_api.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 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "chrome/browser/extensions/api/media_galleries_private/gallery_watch_state_tracker.h"
  14 #include "chrome/browser/extensions/chrome_extension_function.h"
  15 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
  16 #include "chrome/common/extensions/api/media_galleries_private.h"
  17 #include "extensions/browser/browser_context_keyed_api_factory.h"
  18 #include "extensions/browser/event_router.h"
  19
  20 class Profile;
  21
  22 namespace content {
  23 class BrowserContext;
  24 }
  25
  26 namespace extensions {
  27
  28 class MediaGalleriesPrivateEventRouter;
  29
  30 // The profile-keyed service that manages the media galleries private extension
  31 // API. Created at the same time as the Profile.
  32 class MediaGalleriesPrivateAPI : public BrowserContextKeyedAPI,
  33                                  public EventRouter::Observer {
  34  public:
  35   explicit MediaGalleriesPrivateAPI(content::BrowserContext* context);
  36   virtual ~MediaGalleriesPrivateAPI();
  37
  38   // KeyedService implementation.
  39   virtual void Shutdown() OVERRIDE;
  40
  41   // BrowserContextKeyedAPI implementation.
  42   static BrowserContextKeyedAPIFactory<MediaGalleriesPrivateAPI>*
  43       GetFactoryInstance();
  44
  45   // Convenience method to get the MediaGalleriesPrivateAPI for a profile.
  46   static MediaGalleriesPrivateAPI* Get(content::BrowserContext* context);
  47
  48   // EventRouter::Observer implementation.
  49   virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE;
  50
  51   MediaGalleriesPrivateEventRouter* GetEventRouter();
  52   GalleryWatchStateTracker* GetGalleryWatchStateTracker();
  53
  54  private:
  55   friend class BrowserContextKeyedAPIFactory<MediaGalleriesPrivateAPI>;
  56
  57   void MaybeInitializeEventRouterAndTracker();
  58
  59   // BrowserContextKeyedAPI implementation.
  60   static const char* service_name() {
  61     return "MediaGalleriesPrivateAPI";
  62   }
  63   static const bool kServiceIsNULLWhileTesting = true;
  64
  65   // Current profile.
  66   Profile* profile_;
  67
  68   // Created lazily on first access.
  69   scoped_ptr<GalleryWatchStateTracker> tracker_;
  70
  71   // Created lazily on first access.
  72   scoped_ptr<MediaGalleriesPrivateEventRouter>
  73       media_galleries_private_event_router_;
  74
  75   base::WeakPtrFactory<MediaGalleriesPrivateAPI> weak_ptr_factory_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesPrivateAPI);
  78 };
  79
  80 // Implements the chrome.mediaGalleriesPrivate.addGalleryWatch method.
  81 class MediaGalleriesPrivateAddGalleryWatchFunction
  82     : public ChromeAsyncExtensionFunction {
  83  public:
  84   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.addGalleryWatch",
  85                              MEDIAGALLERIESPRIVATE_ADDGALLERYWATCH);
  86
  87  protected:
  88   virtual ~MediaGalleriesPrivateAddGalleryWatchFunction();
  89
  90   // AsyncExtensionFunction overrides.
  91   virtual bool RunImpl() OVERRIDE;
  92
  93  private:
  94   void OnPreferencesInit(const std::string& pref_id);
  95
  96   // Gallery watch request handler.
  97   void HandleResponse(MediaGalleryPrefId gallery_id, bool success);
  98 };
  99
 100 // Implements the chrome.mediaGalleriesPrivate.removeGalleryWatch method.
 101 class MediaGalleriesPrivateRemoveGalleryWatchFunction
 102     : public ChromeAsyncExtensionFunction {
 103  public:
 104   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.removeGalleryWatch",
 105                              MEDIAGALLERIESPRIVATE_REMOVEGALLERYWATCH);
 106
 107  protected:
 108   virtual ~MediaGalleriesPrivateRemoveGalleryWatchFunction();
 109
 110   // SyncExtensionFunction overrides.
 111   virtual bool RunImpl() OVERRIDE;
 112
 113  private:
 114   void OnPreferencesInit(const std::string& pref_id);
 115 };
 116
 117 // Implements the chrome.mediaGalleriesPrivate.getAllGalleryWatch method.
 118 class MediaGalleriesPrivateGetAllGalleryWatchFunction
 119     : public ChromeAsyncExtensionFunction {
 120  public:
 121   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.getAllGalleryWatch",
 122                              MEDIAGALLERIESPRIVATE_GETALLGALLERYWATCH);
 123  protected:
 124   virtual ~MediaGalleriesPrivateGetAllGalleryWatchFunction();
 125
 126   // SyncExtensionFunction overrides.
 127   virtual bool RunImpl() OVERRIDE;
 128
 129  private:
 130   void OnPreferencesInit();
 131 };
 132
 133 // Implements the chrome.mediaGalleriesPrivate.removeAllGalleryWatch method.
 134 class MediaGalleriesPrivateRemoveAllGalleryWatchFunction
 135     : public ChromeAsyncExtensionFunction {
 136  public:
 137   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.removeAllGalleryWatch",
 138                              MEDIAGALLERIESPRIVATE_REMOVEALLGALLERYWATCH);
 139  protected:
 140   virtual ~MediaGalleriesPrivateRemoveAllGalleryWatchFunction();
 141
 142   // SyncExtensionFunction overrides.
 143   virtual bool RunImpl() OVERRIDE;
 144
 145  private:
 146   void OnPreferencesInit();
 147 };
 148
 149 // Implements the chrome.mediaGalleriesPrivate.getHandlers method.
 150 class MediaGalleriesPrivateGetHandlersFunction
 151     : public ChromeAsyncExtensionFunction {
 152  public:
 153   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.getHandlers",
 154                              MEDIAGALLERIESPRIVATE_GETHANDLERS);
 155
 156  protected:
 157   virtual ~MediaGalleriesPrivateGetHandlersFunction();
 158
 159   // AsyncExtensionFunction overrides.
 160   virtual bool RunImpl() OVERRIDE;
 161 };
 162
 163 }  // namespace extensions
 164
 165 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_