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      1 // Copyright (c) 2012 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_AUTO_LOGIN_INFOBAR_DELEGATE_H_
      6 #define CHROME_BROWSER_UI_AUTO_LOGIN_INFOBAR_DELEGATE_H_
      7 
      8 #include <string>
      9 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
     10 #include "components/auto_login_parser/auto_login_parser.h"
     11 #include "content/public/browser/notification_observer.h"
     12 #include "content/public/browser/notification_registrar.h"
     13 
     14 class PrefService;
     15 class Profile;
     16 
     17 namespace content {
     18 class NavigationController;
     19 }
     20 
     21 // This is the actual infobar displayed to prompt the user to auto-login.
     22 class AutoLoginInfoBarDelegate : public ConfirmInfoBarDelegate,
     23                                  public content::NotificationObserver {
     24  public:
     25   struct Params {
     26     // Information from a parsed header.
     27     auto_login_parser::HeaderData header;
     28 
     29     // Username to display in the infobar indicating user to be logged in as.
     30     // This is initially fetched from sign-in on non-Android platforms. Note
     31     // that on Android this field is not used.
     32     std::string username;
     33   };
     34 
     35   // Creates an autologin infobar and delegate and adds the infobar to the
     36   // infobar service for |web_contents|.  Returns whether the infobar was
     37   // successfully added.
     38   static bool Create(content::WebContents* web_contents, const Params& params);
     39 
     40  protected:
     41   AutoLoginInfoBarDelegate(const Params& params, Profile* profile);
     42   virtual ~AutoLoginInfoBarDelegate();
     43 
     44  private:
     45   // Enum values used for UMA histograms.
     46   enum Actions {
     47     SHOWN,       // The infobar was shown to the user.
     48     ACCEPTED,    // The user pressed the accept button.
     49     REJECTED,    // The user pressed the reject button.
     50     DISMISSED,   // The user pressed the close button.
     51     IGNORED,     // The user ignored the infobar.
     52     LEARN_MORE,  // The user clicked on the learn more link.
     53     HISTOGRAM_BOUNDING_VALUE
     54   };
     55 
     56   // ConfirmInfoBarDelegate:
     57   virtual void InfoBarDismissed() OVERRIDE;
     58   virtual int GetIconID() const OVERRIDE;
     59   virtual Type GetInfoBarType() const OVERRIDE;
     60   virtual AutoLoginInfoBarDelegate* AsAutoLoginInfoBarDelegate() OVERRIDE;
     61   virtual base::string16 GetMessageText() const OVERRIDE;
     62   virtual base::string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
     63   virtual bool Accept() OVERRIDE;
     64   virtual bool Cancel() OVERRIDE;
     65 
     66   // content::NotificationObserver:
     67   virtual void Observe(int type,
     68                        const content::NotificationSource& source,
     69                        const content::NotificationDetails& details) OVERRIDE;
     70 
     71   void RecordHistogramAction(Actions action);
     72 
     73   const Params params_;
     74 
     75   // Whether any UI controls in the infobar were pressed or not.
     76   bool button_pressed_;
     77 
     78   // For listening to the user signing out.
     79   content::NotificationRegistrar registrar_;
     80 
     81   DISALLOW_COPY_AND_ASSIGN(AutoLoginInfoBarDelegate);
     82 };
     83 
     84 #endif  // CHROME_BROWSER_UI_AUTO_LOGIN_INFOBAR_DELEGATE_H_
     85