chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h

   1 // Copyright 2014 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_SYNCED_NOTIFICATIONS_PRIVATE_SYNCED_NOTIFICATIONS_SHIM_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_SYNCED_NOTIFICATIONS_PRIVATE_SYNCED_NOTIFICATIONS_SHIM_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "chrome/common/extensions/api/synced_notifications_private.h"
  13 #include "sync/api/syncable_service.h"
  14
  15 namespace extensions {
  16 struct Event;
  17 }
  18
  19 // Shim for SYNCED_NOTIFICATIONS and SYNCED_NOTIFICATIONS_APP_INFO datatypes
  20 // to interface with their extension backed sync code.
  21 class SyncedNotificationsShim : public syncer::SyncableService {
  22  public:
  23   // Callback for firing extension events.
  24   typedef base::Callback<void(scoped_ptr<extensions::Event>)> EventLauncher;
  25
  26   explicit SyncedNotificationsShim(const EventLauncher& event_launcher,
  27                                    const base::Closure& refresh_request);
  28   virtual ~SyncedNotificationsShim();
  29
  30   // SyncableService interface.
  31   virtual syncer::SyncMergeResult MergeDataAndStartSyncing(
  32       syncer::ModelType type,
  33       const syncer::SyncDataList& initial_sync_data,
  34       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
  35       scoped_ptr<syncer::SyncErrorFactory> error_handler) OVERRIDE;
  36   virtual void StopSyncing(syncer::ModelType type) OVERRIDE;
  37   virtual syncer::SyncError ProcessSyncChanges(
  38       const tracked_objects::Location& from_here,
  39       const syncer::SyncChangeList& change_list) OVERRIDE;
  40   virtual syncer::SyncDataList GetAllSyncData(
  41       syncer::ModelType type) const OVERRIDE;
  42
  43   // JS interface methods (see synced_notifications_private.h).
  44   bool GetInitialData(
  45       extensions::api::synced_notifications_private::SyncDataType data_type,
  46       std::vector<
  47           linked_ptr<extensions::api::synced_notifications_private::SyncData> >*
  48           js_data_list) const;
  49   bool UpdateNotification(const std::string& changed_notification);
  50   bool SetRenderContext(
  51       extensions::api::synced_notifications_private::RefreshRequest
  52           refresh_status,
  53       const std::string& new_context);
  54
  55   // Returns whether both sync notification datatypes are up and running.
  56   bool IsSyncReady() const;
  57
  58  private:
  59   // Callback to trigger firing extension events.
  60   EventLauncher event_launcher_;
  61
  62   // Callback to trigger synced notification refresh.
  63   base::Closure refresh_request_;
  64
  65   // The sync change processors, initialized via MergeDataAndStartSyncing.
  66   scoped_ptr<syncer::SyncChangeProcessor> notifications_change_processor_;
  67   scoped_ptr<syncer::SyncChangeProcessor> app_info_change_processor_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(SyncedNotificationsShim);
  70 };
  71
  72 #endif  // CHROME_BROWSER_EXTENSIONS_API_SYNCED_NOTIFICATIONS_PRIVATE_SYNCED_NOTIFICATIONS_SHIM_H_