examples/Qt/qtbluetoothapp/bluetoothdiscovery_symbian.h

/*
 * Copyright (c) 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 BLUETOOTHDISCOVERY_SYMBIAN_H
#define BLUETOOTHDISCOVERY_SYMBIAN_H

// INCLUDES
#include <e32base.h>
#include <es_sock.h>
#include <btdevice.h>
#include <bt_sock.h>
#include <btsdp.h>
#include <btmanclient.h>

#include "common.h"
#include "devicediscoverer.h"
#include "servicediscoverer.h"
#include "serviceadvertiser.h"
#include "listener.h"
#include "connector.h"
#include "bluetoothdiscovery.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 KEighty = 80;
const TInt KThirty = 30;
const TInt KTwenty = 20;
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,"Discover devices,\nplease wait...\n");

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


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


// CLASS DECLARATION

class BluetoothDiscoveryPrivate : public CBase,
                                   public MListenerObserver,
                                   public MConnectorObserver,
                                   public MDeviceDiscoObserver,
                                   public MServiceDiscoObserver
{
public:
    enum TBluetoothDiscoveryMode{
    EStopDeviceDiscovery = 0,
    EDeviceDiscoveryComplete,
    EHasDevices,
    EHasServices,
    EHasConnections,
    EStopSlave,
    ESendMessage
    };

    static BluetoothDiscoveryPrivate* NewL(BluetoothDiscovery *aPublicAPI = 0);

    static BluetoothDiscoveryPrivate* NewLC(BluetoothDiscovery *aPublicAPI);

    ~BluetoothDiscoveryPrivate();

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

    void StopDiscovery();

private: // in-class methods

    void ChangeMenuOptions();


private: // Basic two-phase EPOC constructors

    void ConstructL();

    BluetoothDiscoveryPrivate(BluetoothDiscovery* /* aWrapper */);


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

    // Wrapper class
    BluetoothDiscovery *iDiscovery;
    // 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<KEighty> iResponse;
    TBuf<KTwenty> iMsgtext;
    TBuf8<KTwenty> iMsgtext8;    
};

#endif

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