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_view_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 class RenderViewImpl; 22 struct Geoposition; 23 24 // GeolocationDispatcher is a delegate for Geolocation messages used by 25 // WebKit. 26 // It's the complement of GeolocationDispatcherHost (owned by RenderViewHost). 27 class GeolocationDispatcher : public RenderViewObserver, 28 public blink::WebGeolocationClient { 29 public: 30 explicit GeolocationDispatcher(RenderViewImpl* render_view); 31 virtual ~GeolocationDispatcher(); 32 33 private: 34 // RenderView::Observer implementation. 35 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 36 37 // WebGeolocationClient 38 virtual void geolocationDestroyed(); 39 virtual void startUpdating(); 40 virtual void stopUpdating(); 41 virtual void setEnableHighAccuracy(bool enable_high_accuracy); 42 virtual void setController(blink::WebGeolocationController* controller); 43 virtual bool lastPosition(blink::WebGeolocationPosition& position); 44 virtual void requestPermission( 45 const blink::WebGeolocationPermissionRequest& permissionRequest); 46 virtual void cancelPermissionRequest( 47 const blink::WebGeolocationPermissionRequest& permissionRequest); 48 49 // Permission for using geolocation has been set. 50 void OnPermissionSet(int bridge_id, bool is_allowed); 51 52 // We have an updated geolocation position or error code. 53 void OnPositionUpdated(const content::Geoposition& geoposition); 54 55 // The controller_ is valid for the lifetime of the underlying 56 // WebCore::GeolocationController. geolocationDestroyed() is 57 // invoked when the underlying object is destroyed. 58 scoped_ptr< blink::WebGeolocationController> controller_; 59 60 scoped_ptr<blink::WebGeolocationPermissionRequestManager> 61 pending_permissions_; 62 bool enable_high_accuracy_; 63 bool updating_; 64 }; 65 66 } // namespace content 67 68 #endif // CONTENT_RENDERER_GEOLOCATION_DISPATCHER_H_ 69