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      1 // Copyright (c) 2011 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_HELP_APP_LAUNCHER_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_HELP_APP_LAUNCHER_H_
      7 #pragma once
      8 
      9 #include "base/memory/ref_counted.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "chrome/browser/chromeos/login/login_html_dialog.h"
     12 #include "ui/gfx/native_widget_types.h"
     13 
     14 namespace chromeos {
     15 
     16 // Provides help content during OOBE / login.
     17 // Based on connectivity state (offline/online) shows help topic dialog
     18 // or launches HelpApp in BWSI mode.
     19 class HelpAppLauncher : public LoginHtmlDialog::Delegate,
     20                         public base::RefCountedThreadSafe<HelpAppLauncher> {
     21  public:
     22   // IDs of help topics available from HelpApp.
     23   enum HelpTopic {
     24     // Showed on basic connectivity issues.
     25     HELP_CONNECTIVITY = 188752,
     26     // Showed at EULA screen as "Learn more" about stats/crash reports.
     27     HELP_STATS_USAGE = 183078,
     28     // Showed whenever there're troubles signing in (offline case).
     29     HELP_CANT_ACCESS_ACCOUNT_OFFLINE = 188755,
     30     // Showed whenever there're troubles signing in (online case).
     31     HELP_CANT_ACCESS_ACCOUNT = 188036,
     32     // Showed in case when account was disabled.
     33     HELP_ACCOUNT_DISABLED = 188756,
     34     // Showed in case when hosted account is used.
     35     HELP_HOSTED_ACCOUNT = 1054228,
     36   };
     37 
     38   // Parent window is used to show dialog.
     39   explicit HelpAppLauncher(gfx::NativeWindow parent_window);
     40 
     41   // Shows specified help topic.
     42   void ShowHelpTopic(HelpTopic help_topic_id);
     43 
     44   // Returns true if the dialog is currently open.
     45   bool is_open() const { return dialog_.get() && dialog_->is_open(); }
     46 
     47  protected:
     48   // LoginHtmlDialog::Delegate implementation:
     49   virtual void OnDialogClosed() {}
     50 
     51  private:
     52   // Shows help topic dialog for specified GURL.
     53   void ShowHelpTopicDialog(const GURL& topic_url);
     54 
     55   // Dialog used to display help like "Can't access your account".
     56   scoped_ptr<LoginHtmlDialog> dialog_;
     57 
     58   // Parent window which is passed to help dialog.
     59   gfx::NativeWindow parent_window_;
     60 
     61   DISALLOW_COPY_AND_ASSIGN(HelpAppLauncher);
     62 };
     63 
     64 }  // namespace chromeos
     65 
     66 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HELP_APP_LAUNCHER_H_
     67