components/signin/ios/browser/oauth2_token_service_observer_bridge.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 COMPONENTS_SIGNIN_IOS_BROWSER_OAUTH2_TOKEN_SERVICE_OBSERVER_BRIDGE_H_
   6 #define COMPONENTS_SIGNIN_IOS_BROWSER_OAUTH2_TOKEN_SERVICE_OBSERVER_BRIDGE_H_
   7
   8 #import <Foundation/Foundation.h>
   9
  10 #include "google_apis/gaia/oauth2_token_service.h"
  11
  12 @protocol OAuth2TokenServiceObserverBridgeDelegate <NSObject>
  13
  14 @optional
  15
  16 // Informs the delegate that a refresh token is avaible for |account_id|.
  17 - (void)onRefreshTokenAvailable:(const std::string&)account_id;
  18
  19 // Informs the delegate that the refresh token was revoked for |account_id|.
  20 - (void)onRefreshTokenRevoked:(const std::string&)account_id;
  21
  22 // Informs the delegate that the token service has finished loading the tokens.
  23 - (void)onRefreshTokensLoaded;
  24
  25 // Informs the delegate that a batch of refresh token changes will start.
  26 - (void)onStartBatchChanges;
  27
  28 // Informs the delegate that a batch of refresh token changes has ended.
  29 - (void)onEndBatchChanges;
  30
  31 @end
  32
  33 // Bridge class that listens for |OAuth2TokenService| notifications and passes
  34 // them to its Objective-C delegate.
  35 class OAuth2TokenServiceObserverBridge : public OAuth2TokenService::Observer {
  36  public:
  37   OAuth2TokenServiceObserverBridge(
  38       OAuth2TokenService* token_service,
  39       id<OAuth2TokenServiceObserverBridgeDelegate> delegate);
  40   ~OAuth2TokenServiceObserverBridge() override;
  41
  42   // OAuth2TokenService::Observer
  43   void OnRefreshTokenAvailable(const std::string& account_id) override;
  44   void OnRefreshTokenRevoked(const std::string& account_id) override;
  45   void OnRefreshTokensLoaded() override;
  46   void OnStartBatchChanges() override;
  47   void OnEndBatchChanges() override;
  48
  49  private:
  50   OAuth2TokenService* token_service_;  // weak
  51   id<OAuth2TokenServiceObserverBridgeDelegate> delegate_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(OAuth2TokenServiceObserverBridge);
  54 };
  55
  56 #endif  // COMPONENTS_SIGNIN_IOS_BROWSER_OAUTH2_TOKEN_SERVICE_OBSERVER_BRIDGE_H_