src/content/browser/geolocation/geolocation_dispatcher_host.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 CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
   6 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
   7
   8 #include <map>
   9 #include <vector>
  10
  11 #include "base/callback_forward.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "content/public/browser/web_contents_observer.h"
  14
  15 class GURL;
  16
  17 namespace content {
  18
  19 // GeolocationDispatcherHost is an observer for Geolocation permissions-related
  20 // messages. In this role, it's the complement of GeolocationDispatcher (owned
  21 // by RenderFrame).
  22 // TODO(blundell): Eliminate this class in favor of having
  23 // Mojo handle permissions for geolocation once there is resolution on how
  24 // that will work. crbug.com/420498
  25 class GeolocationDispatcherHost : public WebContentsObserver {
  26  public:
  27   explicit GeolocationDispatcherHost(WebContents* web_contents);
  28   ~GeolocationDispatcherHost() override;
  29
  30  private:
  31   // WebContentsObserver
  32   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
  33   void DidNavigateAnyFrame(RenderFrameHost* render_frame_host,
  34                                    const LoadCommittedDetails& details,
  35                                    const FrameNavigateParams& params) override;
  36   bool OnMessageReceived(const IPC::Message& msg,
  37                          RenderFrameHost* render_frame_host) override;
  38
  39   // Message handlers:
  40   // TODO(mlamouri): |requesting_origin| should be a security origin to
  41   // guarantee that a proper origin is passed.
  42   void OnRequestPermission(RenderFrameHost* render_frame_host,
  43                            int bridge_id,
  44                            const GURL& requesting_origin,
  45                            bool user_gesture);
  46
  47   void SendGeolocationPermissionResponse(int render_process_id,
  48                                          int render_frame_id,
  49                                          int bridge_id,
  50                                          bool allowed);
  51
  52   // Clear pending permissions associated with a given frame and request the
  53   // browser to cancel the permission requests.
  54   void CancelPermissionRequestsForFrame(RenderFrameHost* render_frame_host);
  55
  56   struct PendingPermission {
  57     PendingPermission(int render_frame_id,
  58                       int render_process_id,
  59                       int bridge_id,
  60                       const GURL& origin);
  61     ~PendingPermission();
  62     int render_frame_id;
  63     int render_process_id;
  64     int bridge_id;
  65     GURL origin;
  66   };
  67   std::vector<PendingPermission> pending_permissions_;
  68
  69   base::WeakPtrFactory<GeolocationDispatcherHost> weak_factory_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(GeolocationDispatcherHost);
  72 };
  73
  74 }  // namespace content
  75
  76 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_