src/chrome/browser/geolocation/chrome_geolocation_permission_context.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_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_
   6 #define CHROME_BROWSER_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/content_settings/permission_queue_controller.h"
  12 #include "content/public/browser/geolocation_permission_context.h"
  13
  14 namespace content {
  15 class WebContents;
  16 }
  17
  18 class PermissionRequestID;
  19 class Profile;
  20
  21 // Chrome specific implementation of GeolocationPermissionContext; manages
  22 // Geolocation permissions flow, and delegates UI handling via
  23 // PermissionQueueController.
  24 class ChromeGeolocationPermissionContext
  25     : public content::GeolocationPermissionContext {
  26  public:
  27   explicit ChromeGeolocationPermissionContext(Profile* profile);
  28
  29   // GeolocationPermissionContext:
  30   virtual void RequestGeolocationPermission(
  31       int render_process_id,
  32       int render_view_id,
  33       int bridge_id,
  34       const GURL& requesting_frame,
  35       base::Callback<void(bool)> callback) OVERRIDE;
  36   virtual void CancelGeolocationPermissionRequest(
  37       int render_process_id,
  38       int render_view_id,
  39       int bridge_id,
  40       const GURL& requesting_frame) OVERRIDE;
  41
  42   // Called on the UI thread when the profile is about to be destroyed.
  43   void ShutdownOnUIThread();
  44
  45   // Notifies whether or not the corresponding bridge is allowed to use
  46   // geolocation via
  47   // GeolocationPermissionContext::SetGeolocationPermissionResponse().
  48   // Called on the UI thread.
  49   void NotifyPermissionSet(const PermissionRequestID& id,
  50                            const GURL& requesting_frame,
  51                            base::Callback<void(bool)> callback,
  52                            bool allowed);
  53
  54  protected:
  55   virtual ~ChromeGeolocationPermissionContext();
  56
  57   Profile* profile() const { return profile_; }
  58
  59   // Return an instance of the infobar queue controller, creating it
  60   // if necessary.
  61   PermissionQueueController* QueueController();
  62
  63   // ChromeGeolocationPermissionContext implementation:
  64   // Decide whether the geolocation permission should be granted.
  65   // Calls PermissionDecided if permission can be decided non-interactively,
  66   // or NotifyPermissionSet if permission decided by presenting an
  67   // infobar to the user. Called on the UI thread.
  68   virtual void DecidePermission(content::WebContents* web_contents,
  69                                 const PermissionRequestID& id,
  70                                 const GURL& requesting_frame,
  71                                 const GURL& embedder,
  72                                 base::Callback<void(bool)> callback);
  73
  74   // Called when permission is granted without interactively asking
  75   // the user. Can be overridden to introduce additional UI flow.
  76   // Should ultimately ensure that NotifyPermissionSet is called.
  77   // Called on the UI thread.
  78   virtual void PermissionDecided(const PermissionRequestID& id,
  79                                  const GURL& requesting_frame,
  80                                  const GURL& embedder,
  81                                  base::Callback<void(bool)> callback,
  82                                  bool allowed);
  83
  84   // Create an PermissionQueueController. overriden in derived classes to
  85   // provide additional UI flow.  Called on the UI thread.
  86   virtual PermissionQueueController* CreateQueueController();
  87
  88  private:
  89   // Removes any pending InfoBar request.
  90   void CancelPendingInfobarRequest(const PermissionRequestID& id);
  91
  92   // These must only be accessed from the UI thread.
  93   Profile* const profile_;
  94   bool shutting_down_;
  95   scoped_ptr<PermissionQueueController> permission_queue_controller_;
  96
  97   DISALLOW_COPY_AND_ASSIGN(ChromeGeolocationPermissionContext);
  98 };
  99
 100 #endif  // CHROME_BROWSER_GEOLOCATION_CHROME_GEOLOCATION_PERMISSION_CONTEXT_H_