ios/chrome/browser/signin/chrome_identity_service_observer_bridge.h

   1 // Copyright 2015 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_SIGNIN_CHROME_IDENTITY_SERVICE_OBSERVER_BRIDGE_H_
   6 #define IOS_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_SERVICE_OBSERVER_BRIDGE_H_
   7
   8 #include <Foundation/Foundation.h>
   9
  10 #include "base/macros.h"
  11 #include "base/scoped_observer.h"
  12 #include "ios/public/provider/chrome/browser/signin/chrome_identity_service.h"
  13
  14 // Objective-C protocol mirroring ChromeIdentityService::Observer.
  15 @protocol ChromeIdentityServiceObserver<NSObject>
  16 @optional
  17 - (void)onIdentityListChanged;
  18 - (void)onAccessTokenRefreshFailed:(ChromeIdentity*)identity
  19                              error:(ios::AccessTokenErrorReason)error;
  20 - (void)onProfileUpdate:(ChromeIdentity*)identity;
  21 @end
  22
  23 // Simple observer bridge that forwards all events to its delegate observer.
  24 class ChromeIdentityServiceObserverBridge
  25     : public ios::ChromeIdentityService::Observer {
  26  public:
  27   explicit ChromeIdentityServiceObserverBridge(
  28       id<ChromeIdentityServiceObserver> observer);
  29   ~ChromeIdentityServiceObserverBridge() override;
  30
  31  private:
  32   // ios::ChromeIdentityService::Observer implementation.
  33   void OnIdentityListChanged() override;
  34   void OnAccessTokenRefreshFailed(ChromeIdentity* identity,
  35                                   ios::AccessTokenErrorReason error) override;
  36   void OnProfileUpdate(ChromeIdentity* identity) override;
  37
  38   id<ChromeIdentityServiceObserver> observer_;  // Weak. |observer_| owns this.
  39   ScopedObserver<ios::ChromeIdentityService,
  40                  ChromeIdentityServiceObserverBridge> scoped_observer_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(ChromeIdentityServiceObserverBridge);
  43 };
  44
  45 #endif  // IOS_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_SERVICE_OBSERVER_BRIDGE_H_