cef/cef1/libcef/geolocation_client.h

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// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 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 CEF_LIBCEF_GEOLOCATION_CLIENT_H_
#define CEF_LIBCEF_GEOLOCATION_CLIENT_H_
#pragma once
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/browser/geolocation/geolocation_observer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationController.h"
class CefBrowserImpl;
class CefGeolocationCallbackImpl;
namespace content {
class GeolocationProvider;
struct Geoposition;
}
namespace WebKit {
class WebGeolocationController;
class WebGeolocationPermissionRequest;
class WebGeolocationPermissionRequestManager;
class WebGeolocationPosition;
}
// Delegate for Geolocation messages used by WebKit.
class CefGeolocationClient
: public WebKit::WebGeolocationClient,
public content::GeolocationObserver,
public base::RefCountedThreadSafe<CefGeolocationClient> {
public:
explicit CefGeolocationClient(CefBrowserImpl* browser);
virtual ~CefGeolocationClient();
static void InitializeEnvironment();
private:
friend class CefGeolocationCallbackImpl;
// WebGeolocationClient methods.
virtual void geolocationDestroyed() OVERRIDE;
virtual void startUpdating() OVERRIDE;
virtual void stopUpdating() OVERRIDE;
virtual void setEnableHighAccuracy(bool enable_high_accuracy) OVERRIDE;
virtual void setController(
WebKit::WebGeolocationController* controller) OVERRIDE;
virtual bool lastPosition(WebKit::WebGeolocationPosition& position) OVERRIDE;
virtual void requestPermission(
const WebKit::WebGeolocationPermissionRequest& permissionRequest)
OVERRIDE;
virtual void cancelPermissionRequest(
const WebKit::WebGeolocationPermissionRequest& permissionRequest)
OVERRIDE;
// Called to continue processing on the IO thread.
void OnStartUpdating(bool enable_high_accuracy);
void OnStopUpdating();
// GeolocationObserver methods.
virtual void OnLocationUpdate(const content::Geoposition& position) OVERRIDE;
// Permission for using geolocation has been set.
void OnPermissionSet(int bridge_id, bool is_allowed);
// We have an updated geolocation position or error code.
void OnPositionUpdated(const content::Geoposition& geoposition);
// The following members are only accessed on the UI thread.
// The |browser_| pointer is guaranteed to outlive this object.
CefBrowserImpl* browser_;
// 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_;
// The following members are only accessed on the IO thread.
// Only set whilst we are registered with the arbitrator.
content::GeolocationProvider* location_provider_;
DISALLOW_COPY_AND_ASSIGN(CefGeolocationClient);
};
#endif // CEF_LIBCEF_GEOLOCATION_CLIENT_H_