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#ifndef GeolocationServiceChromium_h
#define GeolocationServiceChromium_h

#include "Geolocation.h"
#include "GeolocationService.h"
#include "Geoposition.h"
#include "PlatformString.h"
#include "PositionError.h"

namespace WebCore {

// Provides an interface for GeolocationServiceChromium to call into the embedder.
class GeolocationServiceBridge {
public:
    virtual ~GeolocationServiceBridge();
    // Called by GeolocationServiceChromium.
    virtual bool startUpdating(PositionOptions*) = 0;
    virtual void stopUpdating() = 0;
    virtual void suspend() = 0;
    virtual void resume() = 0;

    // Called by the embedder, to identify this bridge.
    virtual int getBridgeId() const = 0;
    virtual void attachBridgeIfNeeded() = 0;
};

// This class extends GeolocationService, and uses GeolocationServiceBridge to
// call into the embedder, as well as provides a few extra methods so that the
// embedder can notify permission, position, error, etc.
class GeolocationServiceChromium : public GeolocationService {
public:
    explicit GeolocationServiceChromium(GeolocationServiceClient*);

    GeolocationServiceBridge* geolocationServiceBridge() const { return m_geolocationServiceBridge.get(); }
    void setIsAllowed(bool allowed);
    void setLastPosition(PassRefPtr<Geoposition>);
    void setLastError(int errorCode, const String& message);
    Frame* frame();

    // From GeolocationService.
    virtual bool startUpdating(PositionOptions*);
    virtual void stopUpdating();
    virtual void suspend();
    virtual void resume();
    virtual Geoposition* lastPosition() const;
    virtual PositionError* lastError() const;

private:
    Geolocation* m_geolocation;
    OwnPtr<GeolocationServiceBridge> m_geolocationServiceBridge;
    RefPtr<Geoposition> m_lastPosition;
    RefPtr<PositionError> m_lastError;
};

} // namespace WebCore

#endif // GeolocationServiceChromium_h