ios/chrome/browser/sync/sync_observer_bridge.h

   1 // Copyright 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 IOS_CHROME_BROWSER_SYNC_SYNC_OBSERVER_BRIDGE_H_
   6 #define IOS_CHROME_BROWSER_SYNC_SYNC_OBSERVER_BRIDGE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/ios/weak_nsobject.h"
  11 #include "base/scoped_observer.h"
  12 #include "components/sync_driver/sync_service_observer.h"
  13
  14 namespace sync_driver {
  15 class SyncService;
  16 }
  17
  18 @protocol SyncObserverModelBridge
  19 - (void)onSyncStateChanged;
  20 @end
  21
  22 // C++ class to monitor profile sync status in Objective-C type.
  23 class SyncObserverBridge : public sync_driver::SyncServiceObserver {
  24  public:
  25   // |service| must outlive the SyncObserverBridge.
  26   SyncObserverBridge(id<SyncObserverModelBridge> delegate,
  27                      sync_driver::SyncService* service);
  28
  29   ~SyncObserverBridge() override;
  30
  31  private:
  32    // sync_driver::SyncServiceObserver implementation:
  33    void OnStateChanged() override;
  34
  35   base::WeakNSProtocol<id<SyncObserverModelBridge>> delegate_;
  36   ScopedObserver<sync_driver::SyncService, sync_driver::SyncServiceObserver>
  37       scoped_observer_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(SyncObserverBridge);
  40 };
  41
  42 #endif  // IOS_CHROME_BROWSER_SYNC_SYNC_OBSERVER_BRIDGE_H_