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      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_UI_SYNC_ONE_CLICK_SIGNIN_SYNC_OBSERVER_H_
      6 #define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_SYNC_OBSERVER_H_
      7 
      8 #include "base/memory/weak_ptr.h"
      9 #include "chrome/browser/sync/profile_sync_service_observer.h"
     10 #include "content/public/browser/web_contents_observer.h"
     11 #include "url/gurl.h"
     12 
     13 class ProfileSyncService;
     14 
     15 namespace content {
     16 class WebContents;
     17 }
     18 
     19 class OneClickSigninSyncObserver : public content::WebContentsObserver,
     20                                    public ProfileSyncServiceObserver {
     21  public:
     22   // Waits for Sync to be initialized, then navigates the |web_contents| to the
     23   // |continue_url|.  Instances of this class delete themselves once the job is
     24   // done.
     25   OneClickSigninSyncObserver(content::WebContents* web_contents,
     26                              const GURL& continue_url);
     27 
     28  protected:
     29   // Exposed for testing.
     30   virtual ~OneClickSigninSyncObserver();
     31 
     32  private:
     33   // content::WebContentsObserver:
     34   virtual void WebContentsDestroyed() OVERRIDE;
     35 
     36   // ProfileSyncServiceObserver:
     37   virtual void OnStateChanged() OVERRIDE;
     38 
     39   // Loads the |continue_url_| in the |web_contents()|.
     40   void LoadContinueUrl();
     41 
     42   // Returns the ProfileSyncService associated with the |web_contents|.
     43   // The returned value may be NULL.
     44   ProfileSyncService* GetSyncService(content::WebContents* web_contents);
     45 
     46   // Deletes the |observer|. Intended to be used as a callback for base::Bind.
     47   static void DeleteObserver(
     48       base::WeakPtr<OneClickSigninSyncObserver> observer);
     49 
     50   // The URL to redirect to once Sync is initialized.
     51   const GURL continue_url_;
     52 
     53   base::WeakPtrFactory<OneClickSigninSyncObserver> weak_ptr_factory_;
     54 
     55   DISALLOW_COPY_AND_ASSIGN(OneClickSigninSyncObserver);
     56 };
     57 
     58 #endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_SYNC_OBSERVER_H_
     59