/*

 * 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:  

 *

 */

#include "btcpuideviceview.h"

#include "btuiviewutil.h"

#include <QtGui/QGraphicsLinearLayout>

#include <HbInstance>

#include <hbdocumentloader.h>

#include <hbdataform.h>

#include <hbgroupbox.h>

#include <hbpushbutton.h>

#include <hblabel.h>

#include <hbtextedit.h>

#include <hblistview.h>

#include <hbmenu.h>

#include <qstring>

#include <qstringlist>

#include <qdebug>

#include <bluetoothuitrace.h>

#include "btcpuimainview.h"

#include <btabstractdelegate.h>

#include <btdelegatefactory.h>

#include <QModelIndex>

// docml to load

const char* BTUI_DEVICEVIEW_DOCML = ":/docml/bt-device-view.docml";

BtCpUiDeviceView::BtCpUiDeviceView(

        BtSettingModel &settingModel, 

        BtDeviceModel &deviceModel, 

        QGraphicsItem *parent) :

    BtCpUiBaseView(settingModel,deviceModel,parent),

    mPairStatus(false), mConnectStatus(false), mConnectable(false), mAbstractDelegate(0)   

{

    mDeviceIndex = QModelIndex();//is it needed to initialize mIndex???

    mMainView = (BtCpUiMainView *) parent;

    mMainWindow = hbInstance->allMainWindows().first();

    mSoftKeyBackAction = new HbAction(Hb::BackNaviAction, this);

    BTUI_ASSERT_X(mSoftKeyBackAction, "BtCpUiBaseView::BtCpUiBaseView", "can't create back action");

    // read view info from docml file

    // Create view for the application.

    // Set the name for the view. The name should be same as the view's

    // name in docml.

    setObjectName("bt_device_view");

    QObjectList objectList;

    objectList.append(this);

    // Pass the view to documentloader. Document loader uses this view

    // when docml is parsed, instead of creating new view.

    mLoader = new HbDocumentLoader();

    mLoader->setObjectTree(objectList);

    bool ret = false;

    bool ok = false;

    mLoader->load( BTUI_DEVICEVIEW_DOCML, &ok );

    // Exit if the file format is invalid

    BTUI_ASSERT_X( ok, "bt-device-view", "Invalid docml file" );

    // Set title for the control panel

    // ToDo:  check if deprecated API

    setTitle("Control Panel");

    // assign automatically created widgets to local variables

    mGroupBox = 0;

    mGroupBox = qobject_cast<HbGroupBox *>( mLoader->findWidget( "groupBox_deviceView" ) );

    BTUI_ASSERT_X( mGroupBox != 0, "bt-device-view", "Device groupbox not found" );

    mDeviceIcon=0;

    //can't use qobject_cast since HbIcon is not derived from QObject!

    mDeviceIcon = qobject_cast<HbLabel *>( mLoader->findWidget( "deviceIcon" ) );  

    BTUI_ASSERT_X( mDeviceIcon != 0, "bt-device-view", "Device Icon not found" );

    mDeviceName=0;

    mDeviceName = qobject_cast<HbTextEdit *>( mLoader->findWidget( "deviceName" ) );

    BTUI_ASSERT_X( mDeviceName != 0, "bt-device-view", "Device Name not found" );

    ret = connect(mDeviceName, SIGNAL(editingFinished ()), this, SLOT(changeBtDeviceName()));

    mDeviceCategory=0;

    mDeviceCategory = qobject_cast<HbLabel *>( mLoader->findWidget( "deviceCategory" ) );  

    BTUI_ASSERT_X( mDeviceCategory != 0, "bt-device-view", "Device Category not found" );

    mDeviceStatus=0;

    mDeviceStatus = qobject_cast<HbLabel *>( mLoader->findWidget( "deviceStatus" ) );  

    BTUI_ASSERT_X( mDeviceStatus != 0, "bt-device-view", "Device status not found" );

    mPair_Unpair=0;

    mPair_Unpair = qobject_cast<HbPushButton *>( mLoader->findWidget( "pushButton_0" ) );

    BTUI_ASSERT_X( mPair_Unpair != 0, "bt-device-view", "pair/unpair button not found" );

    ret =  connect(mPair_Unpair, SIGNAL(clicked()), this, SLOT(pairUnpair()));

    BTUI_ASSERT_X( ret, "BtCpUiDeviceView::BtCpUiDeviceView", "can't connect pair button" );

    mConnect_Disconnect=0;

    mConnect_Disconnect = qobject_cast<HbPushButton *>( mLoader->findWidget( "pushButton_1" ) );

    BTUI_ASSERT_X( mConnect_Disconnect != 0, "bt-device-view", "connect/disconnect button not found" );

    ret =  connect(mConnect_Disconnect, SIGNAL(clicked()), this, SLOT(connectDisconnect()));

    BTUI_ASSERT_X( ret, "BtCpUiDeviceView::BtCpUiDeviceView", "can't connect disconnect button" );

    mDeviceSetting = 0;

    mDeviceSetting = qobject_cast<HbPushButton *>( mLoader->findWidget( "pushButton_2" ) );

    BTUI_ASSERT_X( mDeviceSetting != 0, "bt-device-view", "settings button not found" );

    // read landscape orientation section from docml file if needed

    // mOrientation = ((BTUIViewManager*)parent)->orientation();

    mOrientation = Qt::Vertical;

    if (mOrientation == Qt::Horizontal) {

        mLoader->load(BTUI_DEVICEVIEW_DOCML, "landscape", &ok);

        BTUI_ASSERT_X( ok, "bt-device-view", "Invalid docml file: landscape section problem" );

    }

}

BtCpUiDeviceView::~BtCpUiDeviceView()

{

    setNavigationAction(0);

    delete mSoftKeyBackAction;

    if(mAbstractDelegate)

    {

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

}

void BtCpUiDeviceView::setSoftkeyBack()

{

    if (navigationAction() != mSoftKeyBackAction) {

        setNavigationAction(mSoftKeyBackAction);

        connect( mSoftKeyBackAction, SIGNAL(triggered()), this, SLOT(switchToPreviousView()) );

    }

}

void BtCpUiDeviceView::switchToPreviousView()

{

    BTUI_ASSERT_X(mMainView, "BtCpUiSearchView::switchToPreviousView", "invalid mMainView");

    mMainView->switchToPreviousView();

}

void BtCpUiDeviceView::activateView( const QVariant& value, int cmdId )

{

    Q_UNUSED(cmdId);  

    setSoftkeyBack();

    QModelIndex index = value.value<QModelIndex>();

    mDeviceBdAddr = (mDeviceModel->data(index, BtDeviceModel::ReadableBdaddrRole));

    //activate view is called when device is selected

    clearViewData();

    updateDeviceData();

    bool ret(false);

    ret=connect(mDeviceModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)),

           this, SLOT(updateDeviceData()));

    BTUI_ASSERT_X( ret, "Btui, BtCpUiDeviceView::activateView", "dataChanged() connect failed");

}

void BtCpUiDeviceView::deactivateView()

{

}

void BtCpUiDeviceView::clearViewData()

{

    mDeviceIcon->clear();

    mDeviceCategory->clear();

    mDeviceStatus->clear();

    mPairStatus = false;

    mConnectStatus = false;

    mConnectable = false;

}

void BtCpUiDeviceView::updateDeviceData()

{

    QModelIndex localIndex = mSettingModel->index( BtSettingModel::LocalBtNameRow, 0);

    QString localName = (mSettingModel->data(localIndex,BtSettingModel::settingDisplayRole)).toString();

    QString groupBoxTitle (tr("Bluetooth-"));

    mGroupBox->setHeading(groupBoxTitle.append(localName));

    //Get the QModelIndex of the device using the device BDAddres

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

    QModelIndexList indexList = mDeviceModel->match(start,BtDeviceModel::ReadableBdaddrRole, mDeviceBdAddr);

    mDeviceIndex = indexList.at(0);

    //populate device view with device data fetched from UiModel

    QString deviceName = (mDeviceModel->data(mDeviceIndex, 

             BtDeviceModel::NameAliasRole)).toString(); 

    mDeviceName->setPlainText(deviceName);

    int cod = (mDeviceModel->data(mDeviceIndex,BtDeviceModel::CoDRole)).toInt();

    int majorRole = (mDeviceModel->data(mDeviceIndex,BtDeviceModel::MajorPropertyRole)).toInt();

    int minorRole = (mDeviceModel->data(mDeviceIndex,BtDeviceModel::MinorPropertyRole)).toInt();

	setDeviceCategory(cod, majorRole, minorRole);

    setDeviceStatus(majorRole);

    setTextAndVisibilityOfButtons();

}

void BtCpUiDeviceView::setDeviceCategory(int cod,int majorRole, int minorRole)

{

    //TODO: change the hardcoded numeric value to enumerations

    if (cod)

    {

        if (majorRole & 0x00020000)

        {

            //this is a phone

            mDeviceCategory->setPlainText(tr("Phone"));

        }

        else if (majorRole & 0x00010000)

        {

            //this is a computer

            mDeviceCategory->setPlainText(tr("Computer"));

        }

        else if (majorRole & 0x00080000)

        {  

            //this is a A/V device

            //int minorRole = (mDeviceModel->data(mIndex,BtDeviceModel::MinorPropertyRole)).toInt();

            if ( minorRole & 0x00000002)

            {

                //this is a Headset, it is possible to connect

                mConnectable = true;

                mDeviceCategory->setPlainText(tr("Headset"));

            }  

        }

        else 

        {

            mDeviceCategory->setPlainText(tr("Uncategorized Dev"));

        }

    }

}

void BtCpUiDeviceView::setDeviceStatus(int majorRole)

{

    //TODO: change the hardcoded numeric value to enumerations

    QString deviceStatus;

    if (majorRole & 0x00000001)

    {

        deviceStatus = deviceStatus.append(tr("Paired"));

        mPairStatus = true;

    }

    else

    {

        mPairStatus = false;

    }

    if ((majorRole & 0x00000020)&& (mConnectable))

    {

        //if the device is connected and it is a headset NOTE! two phone can be paired but not be connected

        deviceStatus = deviceStatus.append(tr(", connected"));

        mConnectStatus = true;

    }

    else 

    {

        mConnectStatus = false;

    }

    mDeviceStatus->setPlainText(deviceStatus);

}

void BtCpUiDeviceView::setTextAndVisibilityOfButtons()

{

    if (mPairStatus)

    {

        mPair_Unpair->setText(tr("Unpair"));

    }

    else

    {

        mPair_Unpair->setText(tr("Pair"));

    }

    if (mConnectable)

    {

        if (mConnectStatus)

        {

            mConnect_Disconnect->setText(tr("Disconnect"));

        }

        else

        {

            mConnect_Disconnect->setText(tr("Connect"));

        }

    }

    else

    {

        //it is not possible to connect, set the button invisible

        mConnect_Disconnect->setVisible(false);

    }

    mDeviceSetting->setVisible(false);

}

void BtCpUiDeviceView::changeBtDeviceName()

{

    /*

    if (!mAbstractDelegate) 

    {

        mAbstractDelegate = BtDelegateFactory::newDelegate(BtDelegate::DeviceName, mModel); 

        connect( mAbstractDelegate, SIGNAL(commandCompleted(int,QVariant)), this, SLOT(btNameDelegateCompleted(int,QVariant)) );

        mAbstractDelegate->exec(mDeviceNameEdit->text ());

    }

    */

}

void BtCpUiDeviceView::pairUnpair()

{

    if (mPairStatus)

    {

        //if the device is paired, call unpairDevice() when the button is tabbed

        unpairDevice();

    }

    else

    {

        //if the device is unpaired, call pairDevice() when the button is tabbed

        pairDevice();

    }

}

void BtCpUiDeviceView::connectDisconnect()

{

    if (mConnectStatus)

    {

        //if the device is connected, call disconnectDevice() when the button is tabbed

        disconnectDevice();

    }

    else

    {

        //if the device is disconnected, call connectDevice() when the button is tabbed

        connectDevice();

    }

}

void BtCpUiDeviceView::pairDevice()

{

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

    { 

        QVariant params;

        params.setValue(mDeviceIndex);

        mAbstractDelegate = BtDelegateFactory::newDelegate(

                BtDelegate::Pair, mSettingModel, mDeviceModel); 

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

        mAbstractDelegate->exec(params);

    }

}

void BtCpUiDeviceView::pairDelegateCompleted(int status)

{

    Q_UNUSED(status);

    //TODO: handle the error here

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

}

void BtCpUiDeviceView::unpairDevice()

{

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

    { 

        QVariant params;

        params.setValue(mDeviceIndex);

        mAbstractDelegate = BtDelegateFactory::newDelegate(

                BtDelegate::Unpair, mSettingModel, mDeviceModel); 

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

        mAbstractDelegate->exec(params);

    }

}

void BtCpUiDeviceView::unpairDelegateCompleted(int status)

{

    Q_UNUSED(status);

    //TODO: handle the error here 

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

}

void BtCpUiDeviceView::connectDevice()

{

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

    { 

        QVariant params;

        params.setValue(mDeviceIndex);

        mAbstractDelegate = BtDelegateFactory::newDelegate(

                BtDelegate::Connect, mSettingModel, mDeviceModel); 

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

        mAbstractDelegate->exec(params);

    }

}

void BtCpUiDeviceView::connectDelegateCompleted(int status)

{

    Q_UNUSED(status);

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }   

}

void BtCpUiDeviceView::disconnectDevice()

{

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

        { 

            QVariant params;

            params.setValue(mDeviceIndex);

            mAbstractDelegate = BtDelegateFactory::newDelegate(

                    BtDelegate::Disconnect, mSettingModel, mDeviceModel); 

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

            mAbstractDelegate->exec(params);

        }

}

void BtCpUiDeviceView::disconnectDelegateCompleted(int status)

{

    Q_UNUSED(status);

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }   

}