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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_GEOLOCATION_DISPATCHER_H_
#define CHROME_RENDERER_GEOLOCATION_DISPATCHER_H_
#pragma once
#include "base/scoped_ptr.h"
#include "chrome/renderer/render_view_observer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationController.h"
struct Geoposition;
namespace WebKit {
class WebGeolocationController;
class WebGeolocationPermissionRequest;
class WebGeolocationPermissionRequestManager;
class WebGeolocationPosition;
class WebSecurityOrigin;
}
// GeolocationDispatcher is a delegate for Geolocation messages used by
// WebKit.
// It's the complement of GeolocationDispatcherHost (owned by RenderViewHost).
class GeolocationDispatcher : public RenderViewObserver,
public WebKit::WebGeolocationClient {
public:
explicit GeolocationDispatcher(RenderView* render_view);
virtual ~GeolocationDispatcher();
private:
// RenderView::Observer implementation.
bool OnMessageReceived(const IPC::Message& message);
// WebGeolocationClient
virtual void geolocationDestroyed();
virtual void startUpdating();
virtual void stopUpdating();
virtual void setEnableHighAccuracy(bool enable_high_accuracy);
virtual void setController(WebKit::WebGeolocationController* controller);
virtual bool lastPosition(WebKit::WebGeolocationPosition& position);
virtual void requestPermission(
const WebKit::WebGeolocationPermissionRequest& permissionRequest);
virtual void cancelPermissionRequest(
const WebKit::WebGeolocationPermissionRequest& permissionRequest);
// Permission for using geolocation has been set.
void OnGeolocationPermissionSet(int bridge_id, bool is_allowed);
// We have an updated geolocation position or error code.
void OnGeolocationPositionUpdated(const Geoposition& geoposition);
// GeolocationDispatcher is owned by RenderView. Back pointer for IPC.
RenderView* render_view_;
// The controller_ is valid for the lifetime of the underlying
// WebCore::GeolocationController. geolocationDestroyed() is
// invoked when the underlying object is destroyed.
scoped_ptr< WebKit::WebGeolocationController> controller_;
scoped_ptr<WebKit::WebGeolocationPermissionRequestManager>
pending_permissions_;
bool enable_high_accuracy_;
bool updating_;
};
#endif // CHROME_RENDERER_GEOLOCATION_DISPATCHER_H_
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