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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_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_LOAD_PAGE_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_LOAD_PAGE_H_
      7 
      8 #include <string>
      9 
     10 #include "base/callback.h"
     11 #include "base/compiler_specific.h"
     12 #include "chrome/browser/chromeos/login/signin/merge_session_throttle.h"
     13 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
     14 #include "content/public/browser/interstitial_page_delegate.h"
     15 #include "url/gurl.h"
     16 
     17 namespace base {
     18 class DictionaryValue;
     19 }
     20 
     21 namespace content {
     22 class InterstitialPage;
     23 class WebContents;
     24 }
     25 
     26 namespace extensions {
     27 class Extension;
     28 }
     29 
     30 namespace chromeos {
     31 
     32 // MergeSessionLoadPage class shows the interstitial page that is shown
     33 // while we are trying to restore session containing tabs with Google properties
     34 // during the process of exchanging OAuth2 refresh token for user cookies.
     35 // It deletes itself when the interstitial page is closed.
     36 class MergeSessionLoadPage
     37     : public content::InterstitialPageDelegate,
     38       public OAuth2LoginManager::Observer {
     39  public:
     40   // Create a merge session load delay page for the |web_contents|.
     41   // The |callback| will be run on the IO thread.
     42   MergeSessionLoadPage(
     43       content::WebContents* web_contents,
     44       const GURL& url,
     45       const MergeSessionThrottle::CompletionCallback& callback);
     46 
     47   void Show();
     48 
     49  protected:
     50   virtual ~MergeSessionLoadPage();
     51 
     52  private:
     53   friend class TestMergeSessionLoadPage;
     54 
     55   // InterstitialPageDelegate implementation.
     56   virtual std::string GetHTMLContents() OVERRIDE;
     57   virtual void CommandReceived(const std::string& command) OVERRIDE;
     58   virtual void OverrideRendererPrefs(
     59       content::RendererPreferences* prefs) OVERRIDE;
     60   virtual void OnProceed() OVERRIDE;
     61   virtual void OnDontProceed() OVERRIDE;
     62 
     63   // OAuth2LoginManager::Observer overrides.
     64   virtual void OnSessionRestoreStateChanged(
     65       Profile* user_profile,
     66       OAuth2LoginManager::SessionRestoreState state) OVERRIDE;
     67 
     68   void NotifyBlockingPageComplete();
     69 
     70   // Helper function to get OAuth2LoginManager out of |web_contents_|.
     71   OAuth2LoginManager* GetOAuth2LoginManager();
     72 
     73   MergeSessionThrottle::CompletionCallback callback_;
     74 
     75   // True if the proceed is chosen.
     76   bool proceeded_;
     77 
     78   content::WebContents* web_contents_;
     79   GURL url_;
     80   content::InterstitialPage* interstitial_page_;  // Owns us.
     81 
     82   DISALLOW_COPY_AND_ASSIGN(MergeSessionLoadPage);
     83 };
     84 
     85 }  // namespace chromeos
     86 
     87 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_LOAD_PAGE_H_
     88