/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: internet radio hs widget service client

*

*/

#ifndef IRSERVICECLIENT_H_

#define IRSERVICECLIENT_H_

// System includes

#include <QObject>

#include <xqappmgr.h>

// User includes

#include "irservicedef.h"

#include "irappinspector.h"

// Forward declarations

class XQAiwRequest;

class IrServiceData;

class QString;

class QVariant;

class IrServiceClient : public QObject

{

Q_OBJECT

public:

    explicit IrServiceClient(QObject *aParent = 0);

    virtual ~IrServiceClient();

public:

    bool startMonitoringIrState();

    void stopMonitoringIrState();

    bool isStationPlayed();

    bool loadStationName(QString &aStationName);

    bool loadStationLogoFlag();    

    bool bringIrForeground();

    bool launchIrNormally();

    bool launchIrNowPlaying();

    bool startPlaying();

    bool stopPlaying();

    bool cancelLoading();

signals:

    void stationNameUpdated(const QString &aStationName);

    void stationLogoUpdated(bool aIsLogoAvailable);

    void metaDataUpdated(const QString &aMetaData);

    void irStateChanged(IrAppState::Type aNewState);

    void controlFailed();

private slots:

    // used for return value from Monitor Service via Qt HighWay

    void handleMonitorRequestOk(const QVariant &aRetValue);

    void handleMonitorRequestError(int aErrCode, const QString &aErrMessage);

    // used for return value from Control Service via Qt HighWay

    void handleControlRequestOk(const QVariant &aRetValue);

    void handleControlRequestError(int aErrCode, const QString &aErrMessage);

    // used for signals from IrAppInspector

    void handleIrRunningStatusChanged(IrAppInspector::IrRunningStatus aNewStatus);

private:

    bool createControlServiceRequest();

    bool createMonitorServiceRequest();

    bool createRefreshServiceRequest();

    enum IrAppVisibilty

    {

        DoNotChange,

        ToForeground,

        ToBackground

    };

    bool doSendMonitorRequest();

    bool doSendRefreshRequest();

    bool doSendControlRequest(const QVariant &aArgument, bool aIsSync, IrAppVisibilty aVisibility);

    void prepareRequestInfo(XQAiwRequest *aRequest, IrAppVisibilty aVisibility);

    void processNotificationData(const IrServiceData &aServiceData);

    void initHsWidgetNoRunStopped();

    void resetHsWidgetExitStopped();

private:    

    IrAppInspector   *mIrAppInspector;

    bool  mMonitorReqOngoing;

    bool  mControlReqOngoing;

    XQApplicationManager mApplicationManager;

    XQAiwRequest        *mMonitorRequest;

    XQAiwRequest        *mRefreshRequest;

    XQAiwRequest        *mControlRequest;

    Q_DISABLE_COPY(IrServiceClient)    

};

#endif /* IRSERVICECLIENT_H_ */