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// 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 CONTENT_BROWSER_GEOLOCATION_WIN7_LOCATION_PROVIDER_WIN_H_
#define CONTENT_BROWSER_GEOLOCATION_WIN7_LOCATION_PROVIDER_WIN_H_
#include "base/memory/scoped_ptr.h"
#include "base/task.h"
#include "content/browser/geolocation/location_provider.h"
#include "content/browser/geolocation/win7_location_api_win.h"
#include "content/common/geoposition.h"
// Location provider for Windows 7 that uses the Location and Sensors platform
// to obtain position fixes.
// TODO(allanwoj): Remove polling and let the api signal when a new location.
// TODO(allanwoj): Possibly derive this class and the linux gps provider class
// from a single SystemLocationProvider class as their implementation is very
// similar.
class Win7LocationProvider : public LocationProviderBase {
public:
Win7LocationProvider(Win7LocationApi* api);
virtual ~Win7LocationProvider();
// LocationProvider.
virtual bool StartProvider(bool high_accuracy);
virtual void StopProvider();
virtual void GetPosition(Geoposition* position);
virtual void UpdatePosition();
virtual void OnPermissionGranted(const GURL& requesting_frame);
private:
// Task which runs in the child thread.
void DoPollTask();
// Will schedule a poll; i.e. enqueue DoPollTask deferred task.
void ScheduleNextPoll(int interval);
scoped_ptr<Win7LocationApi> api_;
Geoposition position_;
// Holder for the tasks which run on the thread; takes care of cleanup.
ScopedRunnableMethodFactory<Win7LocationProvider> task_factory_;
};
#endif // CONTENT_BROWSER_GEOLOCATION_WIN7_LOCATION_PROVIDER_WIN_H_
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