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/public/renderer/render_frame_observer.h" 10 #include "third_party/WebKit/public/web/WebGeolocationClient.h" 11 #include "third_party/WebKit/public/web/WebGeolocationController.h" 12 13 namespace blink { 14 class WebGeolocationController; 15 class WebGeolocationPermissionRequest; 16 class WebGeolocationPermissionRequestManager; 17 class WebGeolocationPosition; 18 } 19 20 namespace content { 21 struct Geoposition; 22 23 // GeolocationDispatcher is a delegate for Geolocation messages used by 24 // WebKit. 25 // It's the complement of GeolocationDispatcherHost. 26 class GeolocationDispatcher : public RenderFrameObserver, 27 public blink::WebGeolocationClient { 28 public: 29 explicit GeolocationDispatcher(RenderFrame* render_frame); 30 virtual ~GeolocationDispatcher(); 31 32 private: 33 // RenderFrame::Observer implementation. 34 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 35 36 // WebGeolocationClient 37 virtual void geolocationDestroyed(); 38 virtual void startUpdating(); 39 virtual void stopUpdating(); 40 virtual void setEnableHighAccuracy(bool enable_high_accuracy); 41 virtual void setController(blink::WebGeolocationController* controller); 42 virtual bool lastPosition(blink::WebGeolocationPosition& position); 43 virtual void requestPermission( 44 const blink::WebGeolocationPermissionRequest& permissionRequest); 45 virtual void cancelPermissionRequest( 46 const blink::WebGeolocationPermissionRequest& permissionRequest); 47 48 // Permission for using geolocation has been set. 49 void OnPermissionSet(int bridge_id, bool is_allowed); 50 51 // We have an updated geolocation position or error code. 52 void OnPositionUpdated(const content::Geoposition& geoposition); 53 54 // The controller_ is valid for the lifetime of the underlying 55 // WebCore::GeolocationController. geolocationDestroyed() is 56 // invoked when the underlying object is destroyed. 57 scoped_ptr<blink::WebGeolocationController> controller_; 58 59 scoped_ptr<blink::WebGeolocationPermissionRequestManager> 60 pending_permissions_; 61 bool enable_high_accuracy_; 62 bool updating_; 63 }; 64 65 } // namespace content 66 67 #endif // CONTENT_RENDERER_GEOLOCATION_DISPATCHER_H_ 68