content/renderer/geolocation_dispatcher.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_RENDERER_GEOLOCATION_DISPATCHER_H_
   6 #define CONTENT_RENDERER_GEOLOCATION_DISPATCHER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/common/geolocation_service.mojom.h"
  10 #include "content/common/permission_service.mojom.h"
  11 #include "content/public/renderer/render_frame_observer.h"
  12 #include "third_party/WebKit/public/web/WebGeolocationClient.h"
  13 #include "third_party/WebKit/public/web/WebGeolocationController.h"
  14
  15 namespace blink {
  16 class WebGeolocationController;
  17 class WebGeolocationPermissionRequest;
  18 class WebGeolocationPermissionRequestManager;
  19 class WebGeolocationPosition;
  20 }
  21
  22 namespace content {
  23 struct Geoposition;
  24
  25 // GeolocationDispatcher is a delegate for Geolocation messages used by
  26 // WebKit.
  27 // It's the complement of GeolocationDispatcherHost.
  28 class GeolocationDispatcher
  29     : public RenderFrameObserver,
  30       public blink::WebGeolocationClient {
  31  public:
  32   explicit GeolocationDispatcher(RenderFrame* render_frame);
  33   virtual ~GeolocationDispatcher();
  34
  35  private:
  36   // WebGeolocationClient
  37   virtual void startUpdating();
  38   virtual void stopUpdating();
  39   virtual void setEnableHighAccuracy(bool enable_high_accuracy);
  40   virtual void setController(blink::WebGeolocationController* controller);
  41   virtual bool lastPosition(blink::WebGeolocationPosition& position);
  42   virtual void requestPermission(
  43       const blink::WebGeolocationPermissionRequest& permissionRequest);
  44   virtual void cancelPermissionRequest(
  45       const blink::WebGeolocationPermissionRequest& permissionRequest);
  46
  47   void QueryNextPosition();
  48   void OnPositionUpdate(MojoGeopositionPtr geoposition);
  49
  50   // Permission for using geolocation has been set.
  51   void OnPermissionSet(int permission_request_id, PermissionStatus status);
  52
  53   scoped_ptr<blink::WebGeolocationController> controller_;
  54
  55   scoped_ptr<blink::WebGeolocationPermissionRequestManager>
  56       pending_permissions_;
  57   GeolocationServicePtr geolocation_service_;
  58   bool enable_high_accuracy_;
  59   PermissionServicePtr permission_service_;
  60 };
  61
  62 }  // namespace content
  63
  64 #endif  // CONTENT_RENDERER_GEOLOCATION_DISPATCHER_H_