examples/ForumNokia/BluetoothPMPExample/inc/BluetoothPMPExampleEngine.h

/*
 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */

#ifndef BLUETOOTHPMPEXAMPLEENGINE_H
#define BLUETOOTHPMPEXAMPLEENGINE_H

// INCLUDES
#include <e32base.h>
#include <aknviewappui.h>

#include <coecntrl.h>
#include <es_sock.h>
#include <btdevice.h>
#include <bt_sock.h>
#include <btsdp.h>
#include <btmanclient.h>

#ifdef ENABLE_LIAC
#include <e32property.h>
#endif

#include "BluetoothPMPExample.hrh"
#include "BluetoothPMPExampleRTEContainer.h"
#include "BluetoothPMPExampleAppUi.h"

#include "Common.h"
#include "DeviceDiscoverer.h"
#include "ServiceDiscoverer.h"
#include "Listener.h"
#include "Connector.h"

// maximum number of bluetooth device connections
const TInt KMaxConnectedDevices=7;

// length of label message buffer
const TInt KMsgLength = 384;

//avoiding magic numbers ;)
const TInt KThirty = 30;
const TInt KTwenty = 20;
const TInt KEighty = 80;
const TInt KTwelve = 12;
const TInt KForty = 40;

//the text displayed for devices with no name
_LIT(KDeviceWithNoName,"*Jane Doe*");
_LIT(KNoServiceFound,"No services found!\n");
_LIT(KNewLine,"\n");
_LIT(KServiceFound,"Found service on:\n");
_LIT(KNoDevFound,"\nNo devices found!");
_LIT(KDevices," devices.");
_LIT(KFoundTxt,"Found ");
_LIT(KSecTxt," s.");
_LIT(KTimeTxt,"time ");
_LIT(KFormatStr,"< %S: %S\n");
_LIT(KDisconMsg,"Disconnected!\nSlave stopped.\n");
_LIT(KDeviceDisconMsg,"%S disconnected!\n");
_LIT(KConnMsg,"Connected!\n");
_LIT(KFormatStr1,"< %S\n");
_LIT(KFormatStr2,"> %S: %S\n");
_LIT(KFormatStr3,"> %S\n");
_LIT(KMessage,"message");
_LIT(KNoConns,"No connections!");
_LIT(KConnDevicesTxt,"Connected devices:\n");
_LIT(KConnectingTxt, "Connecting...\n");
_LIT(KDisconnDevicesTxt, "Devices disconnected\n");
_LIT(KSlaveInitCompTxt,"\nSlave init complete!\nWaiting for connection.");
_LIT(KListeningTxt,"\nListening channel %d");
_LIT(KSlaveInitTxt,"Slave init..");
_LIT(KDiscServicesTxt,"Discovering services,\nplease wait...\n");
_LIT(KDiscDevicesTxt,"Discovering devices,\nplease wait...\n");

_LIT(KServiceDiscoveryError, "Serv disco error:");
_LIT(KTurningOn, "Turning bt on");

_LIT(KLIACError, "There was an erron on setting LIAC status: %d" );
_LIT(KLIACOn, "LIAC has been enabled" );
_LIT(KLIACOff, "LIAC has been disabled" );


// FORWARD DECLARATIONS
class CBluetoothPMPExampleContainer;
class CDeviceDiscoverer;
class CServiceAdvertiser;
class CServiceDiscoverer;
class CListener;
class CConnector;


// CLASS DECLARATION

class CBluetoothPMPExampleEngine : public CBase,
                                   public MListenerObserver,
                                   public MConnectorObserver,
                                   public MDeviceDiscoObserver,
                                   public MServiceDiscoObserver
{
public:

    static CBluetoothPMPExampleEngine* NewL(
        CBluetoothPMPExampleAppUi& /* aAppUi */);

    static CBluetoothPMPExampleEngine* NewLC(
        CBluetoothPMPExampleAppUi& /* aAppUi */);

    ~CBluetoothPMPExampleEngine();

public: // New functions

    void DiscoverDevicesL();

    void DiscoverServicesL();

    void StartSlaveL();

    void StopSlaveL();
    
    void SendMessageL();

    void ConnectDevicesL();

    void DisconnectDevices();

    void ShowConnectedDevicesL();

    void HandleListenerDataReceivedL(const TDesC& aData);

    void HandleConnectorDataReceivedL(THostName aName, const TDesC& aData);
    void HandleConnectorErrorL(THostName aName, TInt aError);
    void HandleListenerConnectedL();

    void HandleListenerDisconnectedL();

    void HandleDeviceDiscoveryComplete(TInt aError);

    /*
    * From MDeviceDiscoObserver
    */
    void DeviceDiscovered(const TDeviceData &aDevice);

    void HandleServiceDiscoveryCompleteL();

    void ReportServiceDiscoveryErrorL(TInt aError);

    TBool HasConnections();

/*
 * TurnBtOnL()
 * 
 * discussion
 * Uses the Notifier API to ask the user to turn on Bluetooth
 * if it's not on already.
 * HasConnection()
 *
 * 
 */
    void TurnBtOnL();

#ifdef ENABLE_LIAC

    void SetLIAC( TBool aState );

    TBool LIAC();
#endif

    TBool IsDiscoveryActive();

    void StopDiscovery();

private: // in-class methods

    void ShowMessageL(const TDesC& /* aMsg */, TBool /* aDrawLine=EFalse */);


private: // Basic two-phase EPOC constructors

    void ConstructL();

    CBluetoothPMPExampleEngine(CBluetoothPMPExampleAppUi& /* aAppUi */);


public:     // data members

    // listener
    CListener* iListener;
    // device discoverer
    CDeviceDiscoverer* iDeviceDiscoverer;
    // service advertiser
    CServiceAdvertiser* iServiceAdvertiser;
    // service discoverer
    CServiceDiscoverer* iServiceDiscoverer;
    // true if the application is acting as a slave
    TBool iIsSlave;
    // true if the application is acting as a master
    TBool iIsMaster;

private:    // data members

    // application UI object reference
    CBluetoothPMPExampleAppUi& iAppUi;
    // socket server
    RSocketServ iSocketServ;
    // array holding the connectors
    TFixedArray<CConnector* ,KMaxConnectedDevices> iConnectedDevices;
    
    // device data list reference
    TDeviceDataList iDevDataList;
    // number of slave connections master has
    TInt iConnectedDeviceCount;
    //for timing device disco:
    TTime iStartTime;
    TTime iEndTime;
    
    TBuf<KTwenty> iMsgtext;
    TBuf8<KTwenty> iMsgtext8;


#ifdef ENABLE_LIAC
    //property for LimitedDiscoverableStatus
    RProperty   iProperty;

    //flag if LimitedDiscoverableStatus is enabled
    TBool iLIAC;
#endif

};

#endif

// End of File

---