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      1 // Copyright (c) 2013 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_MERGE_SESSION_LOAD_PAGE_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_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/user_manager.h"
     13 #include "content/public/browser/interstitial_page_delegate.h"
     14 #include "url/gurl.h"
     15 
     16 namespace base {
     17 class DictionaryValue;
     18 }
     19 
     20 namespace content {
     21 class InterstitialPage;
     22 class WebContents;
     23 }
     24 
     25 namespace extensions {
     26 class Extension;
     27 }
     28 
     29 namespace chromeos {
     30 
     31 // MergeSessionLoadPage class shows the interstitial page that is shown
     32 // while we are trying to restore session containing tabs with Google properties
     33 // during the process of exchanging OAuth2 refresh token for user cookies.
     34 // It deletes itself when the interstitial page is closed.
     35 class MergeSessionLoadPage
     36     : public content::InterstitialPageDelegate,
     37       public UserManager::Observer {
     38  public:
     39   // Passed a boolean indicating whether or not it is OK to proceed with the
     40   // page load.
     41   typedef base::Closure CompletionCallback;
     42 
     43   // Create a merge session load delay page for the |web_contents|.
     44   // The |callback| will be run on the IO thread.
     45   MergeSessionLoadPage(content::WebContents* web_contents,
     46                        const GURL& url,
     47                        const CompletionCallback& callback);
     48 
     49   void Show();
     50 
     51  protected:
     52   virtual ~MergeSessionLoadPage();
     53 
     54  private:
     55   friend class TestMergeSessionLoadPage;
     56 
     57   // InterstitialPageDelegate implementation.
     58   virtual std::string GetHTMLContents() OVERRIDE;
     59   virtual void CommandReceived(const std::string& command) OVERRIDE;
     60   virtual void OverrideRendererPrefs(
     61       content::RendererPreferences* prefs) OVERRIDE;
     62   virtual void OnProceed() OVERRIDE;
     63   virtual void OnDontProceed() OVERRIDE;
     64 
     65   // UserManager::Observer overrides.
     66   virtual void MergeSessionStateChanged(
     67       UserManager::MergeSessionState state) OVERRIDE;
     68 
     69   void NotifyBlockingPageComplete();
     70 
     71   CompletionCallback callback_;
     72 
     73   // True if the proceed is chosen.
     74   bool proceeded_;
     75 
     76   content::WebContents* web_contents_;
     77   GURL url_;
     78   content::InterstitialPage* interstitial_page_;  // Owns us.
     79 
     80   DISALLOW_COPY_AND_ASSIGN(MergeSessionLoadPage);
     81 };
     82 
     83 }  // namespace chromeos
     84 
     85 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MERGE_SESSION_LOAD_PAGE_H_
     86