/*

* 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:  BtCpUiMainView implementation

*

*/

#include "btcpuimainview.h"

#include "btuiviewutil.h"

#include <QtGlobal>

#include <QGraphicsLinearLayout>

#include <HbInstance>

#include <hbdocumentloader.h>

#include <hbnotificationdialog.h>

#include <hbgridview.h>

#include <hblistview.h>

#include <hbpushbutton.h>

#include <hblabel.h>

#include <hbicon.h>

#include <hblineedit.h>

#include <hbtooltip.h>

#include <btengconstants.h>

#include <hbmenu.h>

#include <hbaction.h>

#include <hbcombobox.h>

#include "btcpuisearchview.h"

#include "btcpuideviceview.h"

#include <bluetoothuitrace.h>

#include <btdelegatefactory.h>

#include <btabstractdelegate.h>

#include "btqtconstants.h"

// docml to load

const char* BTUI_MAINVIEW_DOCML = ":/docml/bt-main-view.docml";

/*!

    Constructs a new BtUiMainView using HBDocumentLoader.  Docml (basically xml) file

    has been generated using Application Designer.   

 */

BtCpUiMainView::BtCpUiMainView(        

        BtSettingModel &settingModel, 

        BtDeviceModel &deviceModel, 

        QGraphicsItem *parent )

    : BtCpUiBaseView( settingModel, deviceModel, parent ),

      mAbstractDelegate(0), mMainFilterModel(0)

{

    bool ret(false);

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

    mMainView = this;

    // Create view for the application.

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

    // name in docml.

    setObjectName("view");

    QObjectList objectList;

    objectList.append(this);

    mLoader->setObjectTree(objectList);

    bool ok = false;

    mLoader->load( BTUI_MAINVIEW_DOCML, &ok );

    // Exit if the file format is invalid

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

    mOrientation = mMainWindow->orientation();

    if (mOrientation == Qt::Horizontal) {

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

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

    }

    else {

        mLoader->load(BTUI_MAINVIEW_DOCML, "portrait", &ok);

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

    }

    mDeviceNameEdit=0;

    mDeviceNameEdit = qobject_cast<HbLineEdit *>( mLoader->findWidget( "lineEdit" ) );

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

    ret =  connect(mDeviceNameEdit, SIGNAL(editingFinished ()), this, SLOT(changeBtLocalName()));

    mPowerButton=0;

    mPowerButton = qobject_cast<HbPushButton *>( mLoader->findWidget( "pushButton" ) );

    BTUI_ASSERT_X( mPowerButton != 0, "bt-main-view", "power button not found" );

    ret =  connect(mPowerButton, SIGNAL(clicked()), this, SLOT(changePowerState()));

    BTUI_ASSERT_X( ret, "BtCpUiMainView::BtCpUiMainView", "can't connect power button" );

    mVisibilityMode=0;

    mVisibilityMode = qobject_cast<HbComboBox *>( mLoader->findWidget( "combobox" ) );

    BTUI_ASSERT_X( mVisibilityMode != 0, "bt-main-view", "visibility combobox not found" );

    mDeviceList=0;

    mDeviceList = qobject_cast<HbListView *>( mLoader->findWidget( "listView" ) );

    BTUI_ASSERT_X( mDeviceList != 0, "bt-main-view", "Device List (grid view) not found" );   

    ret = connect(mDeviceList, SIGNAL(activated(QModelIndex)), this, SLOT(deviceSelected(QModelIndex)));

    BTUI_ASSERT_X( ret, "bt-search-view", "deviceSelected can't connect" ); 

    // listen for orientation changes

    ret = connect(mMainWindow, SIGNAL(orientationChanged(Qt::Orientation)),

            this, SLOT(changeOrientation(Qt::Orientation)));

    BTUI_ASSERT_X( ret, "BtCpUiMainView::BtCpUiMainView()", "connect orientationChanged() failed");

    // load tool bar actions

    HbAction *discoverAction = static_cast<HbAction*>( mLoader->findObject( "discoverAction" ) );

    BTUI_ASSERT_X( discoverAction, "bt-main-view", "discover action missing" ); 

    ret = connect(discoverAction, SIGNAL(triggered()), this, SLOT(goToDiscoveryView()));

    //*********************Testing device view START****************************//

    HbAction *removePairedDevices = static_cast<HbAction*>( mLoader->findObject( "removePairedDevices" ) );

    BTUI_ASSERT_X( removePairedDevices, "bt-main-view", "remove action missing" ); 

    //ret = connect(removePairedDevices, SIGNAL(triggered()), this, SLOT(goToDeviceView()));

    //BTUI_ASSERT_X( ret, "bt-main-view", "orientation toggle can't connect" ); 

    //*********************Testing device view END****************************//

    // load menu

    HbMenu *optionsMenu = qobject_cast<HbMenu *>(mLoader->findWidget("viewMenu"));

    BTUI_ASSERT_X( optionsMenu != 0, "bt-main-view", "Options menu not found" );   

    this->setMenu(optionsMenu);

    // update display when setting data changed

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

            this, SLOT(updateSettingItems(QModelIndex,QModelIndex)));

    BTUI_ASSERT_X( ret, "BtCpUiMainView::BtCpUiMainView", "can't connect dataChanged" );

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

    QModelIndex bottom = mSettingModel->index( BtSettingModel::AllowedInOfflineRow, 0 );

    // update name, power and visibility rows

    updateSettingItems( top, bottom );

    //Handle Visibility Change User Interaction

    ret = connect(mVisibilityMode, SIGNAL(currentIndexChanged (int)), 

            this, SLOT(visibilityChanged (int)));

    // create other views

    createViews();

    mCurrentView = this;

    mCurrentViewId = MainView;

    mMainFilterModel = new BtuiModelSortFilter(this);

    mMainFilterModel->setSourceModel( mDeviceModel );

    mDeviceList->setModel(mMainFilterModel);

}

/*!

    Destructs the BtCpUiMainView.

 */

BtCpUiMainView::~BtCpUiMainView()

{

    delete mLoader; // Also deletes all widgets that it constructed.

    mMainWindow->removeView(mSearchView);

    mMainWindow->removeView(mDeviceView);

	if (mAbstractDelegate) {

        delete mAbstractDelegate;

    }

}

/*! 

    from base class, initialize the view

 */

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

{

    Q_UNUSED(value);

    Q_UNUSED(cmdId);

}

/*! 

    From base class. Handle resource before the current view is deactivated.

 */

void BtCpUiMainView::deactivateView()

{

}

void BtCpUiMainView::goToDiscoveryView()

{

    changeView( SearchView, false, 0 );

}

void BtCpUiMainView::goToDeviceView(const QModelIndex& modelIndex)

{

    //the QModelIndex of the selected device should be given as parameter here 

    QVariant params;

    params.setValue(modelIndex);

    changeView( DeviceView, false, 0, params );

}

Qt::Orientation BtCpUiMainView::orientation()

{

    return mOrientation;

}

void BtCpUiMainView::changeBtLocalName()

{

    //Error handling has to be done.  

    if (!mAbstractDelegate) {

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

                mSettingModel, mDeviceModel); 

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

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

    }

    else {

        setPrevBtLocalName();

    }

}

void BtCpUiMainView::setPrevBtLocalName()

{

    //Should we notify user this as Error...?

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

    mDeviceNameEdit->setText( mSettingModel->data(

            index,BtSettingModel::settingDisplayRole).toString() );

}

void BtCpUiMainView::btNameDelegateCompleted(int status, QVariant param)

{

    if(KErrNone == status) {

        mDeviceNameEdit->setText(param.toString());

    }

    else {

        setPrevBtLocalName();

    }

    //Error handling has to be done.    

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

}

void BtCpUiMainView::visibilityChanged (int index)

{

    QList<QVariant> list;

    VisibilityMode mode = indexToVisibilityMode(index);

    list.append(QVariant((int)mode));

        //Right now hardcoded to 5 Mins.

        list.append(QVariant(5));

    }

    //Error handling has to be done.    

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

                mSettingModel, mDeviceModel); 

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

        mAbstractDelegate->exec(list);

    }

    else {

        setPrevVisibilityMode();

    }

}

void BtCpUiMainView::setPrevVisibilityMode()

{

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

    mVisibilityMode->setCurrentIndex ( visibilityModeToIndex((VisibilityMode)

                mSettingModel->data(index,BtSettingModel::SettingValueRole).toInt()) );

}

void BtCpUiMainView::visibilityDelegateCompleted(int status)

{

    //This should be mapped to Qt error

    if(KErrNone != status) {

        setPrevVisibilityMode();

    }

    //Error handling has to be done.    

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

}

// called due to real orientation change event coming from main window

void BtCpUiMainView::changeOrientation( Qt::Orientation orientation )

{

    bool ok = false;

    mOrientation = orientation;

    if( orientation == Qt::Vertical ) {

        // load "portrait" section

        mLoader->load( BTUI_MAINVIEW_DOCML, "portrait", &ok );

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

    } else {

        // load "landscape" section

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

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

    }

}

/*!

    Slot for receiving notification of local setting changes from the model.

    Identify the setting changed and update the corresponding UI item.

 */

void BtCpUiMainView::updateSettingItems(const QModelIndex &topLeft, const QModelIndex &bottomRight)

{   

    // update only the part of the view specified by the model's row(s)

    for (int i=topLeft.row(); i <= bottomRight.row(); i++) {

        QModelIndex index = mSettingModel->index( i, 0);

        // Distinguish which setting value is changed.

        switch ( i ) {

        case BtSettingModel::LocalBtNameRow :

            mDeviceNameEdit->setText( 

                    mSettingModel->data(index,BtSettingModel::settingDisplayRole).toString() );

            break;

        case BtSettingModel::PowerStateRow:

            break;

        case BtSettingModel::VisibilityRow:

            mVisibilityMode->setCurrentIndex ( visibilityModeToIndex((VisibilityMode)

                    mSettingModel->data(index,BtSettingModel::SettingValueRole).toInt()) );

            break;

        }

    }   

}

/*!

    Slot for receiving notification for user interaction on power state.

    Manually update model data since HbPushButton is not linked to model directly.

 */

void BtCpUiMainView::changePowerState()

{

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

    { 

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

                mSettingModel, mDeviceModel ); 

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

    }

}

void BtCpUiMainView::powerDelegateCompleted(int status)

{

    Q_UNUSED(status);

    //ToDo: Error handling here 

    if (mAbstractDelegate)

    {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

    //BTUI_ASSERT_X( status, "bt-main-view", "error in delegate complete" );  

}

/*!

 * Mapping from visibility mode UI row to VisibilityMode

 */

VisibilityMode BtCpUiMainView::indexToVisibilityMode(int index)

{

    switch(index) {

    case UiRowBtHidden:  

        mode = BtHidden;

        break;

    case UiRowBtVisible:  

        mode = BtVisible;

        break;

    case UiRowBtTemporary:  

        mode = BtTemporary;

        break;

    default:

    }

    return mode;

}

/*!

 * Mapping from VisibilityMode to visibility mode UI row  

 */

int BtCpUiMainView::visibilityModeToIndex(VisibilityMode mode)

{

    switch(mode) {

    case BtHidden:  

        uiRow = UiRowBtHidden;

        break;

    case BtVisible:  

        uiRow = UiRowBtVisible;

        break;

    case BtTemporary:  

        uiRow = UiRowBtTemporary;

        break;

    default: