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/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef WEBRTC_VOICE_ENGINE_MONITOR_MODULE_H
#define WEBRTC_VOICE_ENGINE_MONITOR_MODULE_H

#include "module.h"
#include "typedefs.h"
#include "voice_engine_defines.h"

class MonitorObserver
{
public:
    virtual void OnPeriodicProcess() = 0;
protected:
    virtual ~MonitorObserver() {}
};


namespace webrtc {
class CriticalSectionWrapper;

namespace voe {

class MonitorModule : public Module
{
public:
    int32_t RegisterObserver(MonitorObserver& observer);

    int32_t DeRegisterObserver();

    MonitorModule();

    virtual ~MonitorModule();
public:	// module
    int32_t Version(char* version,
                    uint32_t& remainingBufferInBytes,
                    uint32_t& position) const;

    int32_t ChangeUniqueId(int32_t id);

    int32_t TimeUntilNextProcess();

    int32_t Process();
private:
    enum { kAverageProcessUpdateTimeMs = 1000 };
    MonitorObserver* _observerPtr;
    CriticalSectionWrapper&	_callbackCritSect;
    int32_t _lastProcessTime;
};

}  //  namespace voe

}  //  namespace webrtc

#endif // VOICE_ENGINE_MONITOR_MODULE