/*

* Copyright (c) 2010 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: 

*

*/

#include "btdelegateconnect.h"

#include "btuiutil.h"

#include "btqtconstants.h"

#include <QModelIndex>

#include <hblabel.h>

#include <btsettingmodel.h>

#include <btdevicemodel.h>

#include <hbnotificationdialog.h>

#include <hbmessagebox.h>

#include "btuiiconutil.h"

#include "btdelegatefactory.h"

#include <bluetoothuitrace.h>

#include <e32property.h>

#include <ctsydomainpskeys.h>  

BtDelegateConnect::BtDelegateConnect(

        BtSettingModel* settingModel, 

        BtDeviceModel* deviceModel, QObject *parent) :

    BtAbstractDelegate(settingModel, deviceModel, parent), mBtengConnMan(0),

    mAbstractDelegate(0), mActiveHandling(false)

{

}

BtDelegateConnect::~BtDelegateConnect()

{

    delete mBtengConnMan;

}

/*!

 * execute connect operation

 *    first check if power is on

 */

void BtDelegateConnect::exec( const QVariant &params )

{

    if ( mActiveHandling ) {

        emit commandCompleted( KErrAlreadyExists );

        return;

    }

    mIndex = params.value<QModelIndex>();

    mActiveHandling = true;

    // save needed values from model

    mDeviceName = (mIndex.data(BtDeviceModel::NameAliasRole)).toString();

    QString addrStr = (mIndex.data(BtDeviceModel::ReadableBdaddrRole)).toString(); 

    addrReadbleStringToSymbian( addrStr, mAddr );  

    mCod = (mIndex.data(BtDeviceModel::CoDRole)).toInt();

    mMajorProperty = (mIndex.data(BtDeviceModel::MajorPropertyRole)).toInt();

    // first turn on power if needed

    if (!isBtPowerOn()) {

        if (!mAbstractDelegate) //if there is no other delegate running

        { 

            mAbstractDelegate = BtDelegateFactory::newDelegate(BtDelegate::ManagePower, 

                    getSettingModel(), getDeviceModel() ); 

            connect( mAbstractDelegate, SIGNAL(commandCompleted(int)), this, SLOT(powerDelegateCompleted(int)) );

            mAbstractDelegate->exec(QVariant(BtPowerOn));

        }

    } 

    else {

        // power is already on

        exec_connect();

    }

}

/*!

 * power delegate has completed, continue processing

 */

void BtDelegateConnect::powerDelegateCompleted(int status)

{

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

    if ( status == KErrNone ) {

        // continue connecting

        exec_connect();

    } 

    else {

        // error

        emitCommandComplete(status);

    }

}

/*!

 * execute connect operation

 */

void BtDelegateConnect::exec_connect()

{

    int error = KErrNone;

    if ( ! mBtengConnMan ){

        TRAP( error, mBtengConnMan = CBTEngConnMan::NewL(this) );

    }

    if ( !error ) {

        TBTDeviceClass btEngDeviceClass(mCod);

        error = mBtengConnMan->Connect(mAddr, btEngDeviceClass);

    }

    if( error ) {

        emitCommandComplete(error);

    }

}

/*!

 * connect callback from CBTengConnMan

 */

void BtDelegateConnect::ConnectComplete( TBTDevAddr& aAddr, TInt aErr, 

                                   RBTDevAddrArray* aConflicts )

{

    // It is possible that another audio device has just connected to phone when we are

    // connecting to this audio device. Or a device is connected while this command

    // is idle. No handling for these cases.

    if ( mAddr != aAddr || !mActiveHandling ) {  

        return;

    }

    // conflict could occur as well if another audio device is already connected

    // since currently we don't support multiple audio device connections.

    if ( aErr && aConflicts && aConflicts->Count() ) {

        // get the display name of the device that is 

        // causing the conflict 

        QString conflictDevAddr;

        addrSymbianToReadbleString(conflictDevAddr, (*aConflicts)[0] );

        QModelIndex start = getDeviceModel()->index(0,0);

        QModelIndexList indexList = getDeviceModel()->match(start, BtDeviceModel::ReadableBdaddrRole, conflictDevAddr);

        BTUI_ASSERT_X(indexList.count(), "BtDelegateConnect::ConnectComplete()", "device missing from model!");

        mConflictDevIndex = indexList.at(0);

        // check if conflict device is being used in a call

        // Note:  actually only checking if *any* audio device is involved in a call, not necessarily the

        // one we are concerned with here.  Btaudioman does not currently support finding out the actual 

        // device involved in a call. 

        if (callOngoing()) {

            HbMessageBox::warning(hbTrId("txt_bt_info_not_possible_during_a_call"));

            emitCommandComplete(KErrCancel);

        }

        else {

            // no call, check if user wants to disconnect conflict device 

            QString conflictDevName = (mConflictDevIndex.data(BtDeviceModel::NameAliasRole)).toString();    

            QString questionText(hbTrId("txt_bt_info_to_connect_1_2_needs_to_be_disconnec")

                    .arg(mDeviceName).arg(conflictDevName));

            HbMessageBox::question( questionText, this, SLOT(handleUserAnswer(int)), 

                    HbMessageBox::Continue | HbMessageBox::Cancel );       

        }

    }

    else {

        // command is finished

        emitCommandComplete(aErr);

    }

}

/*!

 * handle user response to query about disconnecting conflict device

 */

void BtDelegateConnect::handleUserAnswer( int answer )

{

    if( answer == HbMessageBox::Continue ) { 

        // Continue, ie. disconnect conflict device and then try reconnecting again

        if (!mAbstractDelegate) //if there is no other delegate running

        { 

            QList<QVariant>list;

            QVariant paramFirst;

            paramFirst.setValue(mConflictDevIndex);    

            QVariant paramSecond(ServiceLevel);

            list.append(paramFirst);

            list.append(paramSecond);

            QVariant paramsList(list);

            mAbstractDelegate = BtDelegateFactory::newDelegate(BtDelegate::Disconnect, 

                    getSettingModel(), getDeviceModel() ); 

            connect( mAbstractDelegate, SIGNAL(commandCompleted(int)), this, SLOT(disconnectDelegateCompleted(int)) );

            mAbstractDelegate->exec(paramsList);

        }

    }

    else {

        // Cancel connect operation

        emitCommandComplete(KErrCancel);

    }

}

/*!

 * returns true if phone call is ongoing

 */

bool BtDelegateConnect::callOngoing()

{

    // ToDo:  check if there exists Qt PS key for ongoing call

    int callState;

    int err = RProperty::Get(KPSUidCtsyCallInformation, KCTsyCallState, callState);

    if (!err && (callState == EPSCTsyCallStateNone || callState == EPSCTsyCallStateUninitialized)) {

        return false;

    }

    else {

        return true;

    }

}

/*!

 * disconnecting conflict device has completed, continue connecting

 */

void BtDelegateConnect::disconnectDelegateCompleted(int status)

{

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

    // finished disconnecting conflict device, now reconnect to original device

    if ( status == KErrNone ) {

        exec_connect();

    }

    else {

        // disconnect failed, abort

        emitCommandComplete( status );

    }

}

/*!

 * not used here

 */

void BtDelegateConnect::DisconnectComplete( TBTDevAddr& aAddr, TInt aErr )

{

    Q_UNUSED(aAddr);

    Q_UNUSED(aErr);    

}

/*!

 * cancel connect operation

 *   ConnectComplete() callback will be called upon completion of cancel with KErrCancel

 */

void BtDelegateConnect::cancel()

{

    if ( mBtengConnMan ) {

        mBtengConnMan->CancelConnect(mAddr);

    }

}

/*!

 * shows user notes with connection success/failure information

 *    cancel operation is handled without a user note

 */

void BtDelegateConnect::emitCommandComplete(int error)

{

    if ( error == KErrNone ) {

        // success, show indicator with connection status

        HbIcon icon = getBadgedDeviceTypeIcon( mCod, mMajorProperty, BtuiNoCorners); 

        QString str(hbTrId("txt_bt_dpopinfo_connected_to_1"));

        HbNotificationDialog::launchDialog( icon, hbTrId("txt_bt_dpophead_connected"), 

            str.arg(mDeviceName) );  

    }

    else if ( error == KErrCancel ) {

        // no user note, return success since cancel operation completed successfully

        error = KErrNone;

    }

    else {

        // failure to connect, show user note

        QString err(hbTrId("txt_bt_info_unable_to_connect_with_bluetooth"));

        HbMessageBox::warning(err.arg(mDeviceName));

    }

    mActiveHandling = false;

    emit commandCompleted(error);

}