// Copyright (c) 2012 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_LOCATION_ARBITRATOR_H_
#define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_H_
#include "content/common/content_export.h"
namespace content {
// This class is responsible for handling updates from multiple underlying
// providers and resolving them to a single 'best' location fix at any given
// moment.
class CONTENT_EXPORT LocationArbitrator {
public:
virtual ~LocationArbitrator() {};
// See more details in geolocation_provider.
virtual void StartProviders(bool use_high_accuracy) = 0;
virtual void StopProviders() = 0;
// Called everytime permission is granted to a page for using geolocation.
// This may either be through explicit user action (e.g. responding to the
// infobar prompt) or inferred from a persisted site permission.
// The arbitrator will inform all providers of this, which may in turn use
// this information to modify their internal policy.
virtual void OnPermissionGranted() = 0;
// Returns true if this arbitrator has received at least one call to
// OnPermissionGranted().
virtual bool HasPermissionBeenGranted() const = 0;
};
} // namespace content
#endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_