chrome/browser/ui/auto_login_prompter.h

   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_PROMPTER_H_
   6 #define CHROME_BROWSER_UI_AUTO_LOGIN_PROMPTER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "chrome/browser/ui/auto_login_infobar_delegate.h"
  12 #include "content/public/browser/web_contents_observer.h"
  13 #include "url/gurl.h"
  14
  15 namespace content {
  16 class RenderViewHost;
  17 class WebContents;
  18 }
  19
  20 namespace net {
  21 class URLRequest;
  22 }
  23
  24 // This class displays an infobar that allows the user to automatically login to
  25 // the currently loaded page with one click.  This is used when the browser
  26 // detects that the user has navigated to a login page and that there are stored
  27 // tokens that would allow a one-click login.
  28 class AutoLoginPrompter : public content::WebContentsObserver {
  29  public:
  30   typedef AutoLoginInfoBarDelegate::Params Params;
  31
  32   // Looks for the X-Auto-Login response header in the request, and if found,
  33   // tries to display an infobar in the tab contents identified by the
  34   // child/route id.
  35   static void ShowInfoBarIfPossible(net::URLRequest* request,
  36                                     int child_id,
  37                                     int route_id);
  38
  39  private:
  40   friend class AutoLoginPrompterTest;
  41
  42   AutoLoginPrompter(content::WebContents* web_contents,
  43                     const Params& params,
  44                     const GURL& url);
  45
  46   virtual ~AutoLoginPrompter();
  47
  48   static void ShowInfoBarUIThread(Params params,
  49                                   const GURL& url,
  50                                   int child_id,
  51                                   int route_id);
  52
  53   virtual void DidStopLoading(
  54       content::RenderViewHost* render_view_host) OVERRIDE;
  55
  56   virtual void WebContentsDestroyed(
  57       content::WebContents* web_contents) OVERRIDE;
  58
  59   // Add the infobar to the WebContents, if it's still needed.
  60   void AddInfoBarToWebContents();
  61
  62   const Params params_;
  63   const GURL url_;
  64   bool infobar_shown_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(AutoLoginPrompter);
  67 };
  68
  69 #endif  // CHROME_BROWSER_UI_AUTO_LOGIN_PROMPTER_H_