/*

* 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 <hblistview.h>

#include <hbsearchpanel.h>

#include <hbaction.h>

#include <hbprogressdialog.h>

#include <hbscrollbar.h> 

#include <hbiconitem.h>

#include <hbiconanimator.h>

#include <hblabel.h> 

#include <hbiconanimationmanager.h>

#include <HbGroupBox>

#include <qinputcontext.h>

#include <qapplication.h>

#include "irsearchchannelsview.h"

#include "iruidefines.h"

#include "irqisdsclient.h"

#include "irapplication.h"

#include "irviewmanager.h"

#include "irqnetworkcontroller.h"

#include "irchannelmodel.h"

#include "irqisdsdatastructure.h"

#include "irplaycontroller.h"

#include "irqlogger.h"

#include "irqsettings.h"

IRSearchChannelsView::IRSearchChannelsView(IRApplication* aApplication,

        TIRViewId aViewId): IRBaseView(aApplication, aViewId),

{

    LOG_METHOD;

    loadLayout();

    connectWidget();  

    switch2InitState();       

    initMenu();        

}

void IRSearchChannelsView::initMenu()

{

    LOG_METHOD;

    HbMenu *viewMenu = menu();

    QObject *exitAction = iLoader.findObject(EXIT_ACTION);

    connect(exitAction, SIGNAL(triggered()), iApplication, SIGNAL(quit()));

}

IRSearchChannelsView::~IRSearchChannelsView()

{   

    LOG_METHOD;

    {

    }    

    if( iPreset != NULL )

    {

        delete iPreset;

        iPreset = NULL;

    }

}

void IRSearchChannelsView::loadLayout()

{

    LOG_METHOD;

    // Create widget hierarchy

    setObjectName( SEARCH_CHANNELS_VIEW_OBJECT_VIEW );

    // List existing root elements - this allows us to refer to objects in the XML 

    // which are created outside the document.

    QObjectList roots;

    roots.append( this );

    iLoader.setObjectTree( roots );

    iLoader.load(SEARCH_CHANNELS_VIEW_LAYOUT_FILENAME);   

    iSearchPanelWidget = qobject_cast<HbSearchPanel *>(iLoader.findWidget(SEARCH_CHANNELS_VIEW_SEARCHPANEL_WIDGET));    

    QString searchText;

    iKeyText = searchText;

    iSearchPanelWidget->setCriteria(searchText);

    iListView = qobject_cast<HbListView *>(iLoader.findWidget(SEARCH_CHANNELS_VIEW_SEARCHLISTVIEW_WIDGET));   

    iListView->setFlag(ItemIsFocusable);

    HbScrollBar *scrollbar = iListView->verticalScrollBar();

    scrollbar->setVisible(true);

    scrollbar->setInteractive(true);

    iListView->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAsNeeded);

    iChannelModel = new IrChannelModel(this);

    iListView->setModel(iChannelModel);

    iListView->installEventFilter(this);

#ifdef SUBTITLE_STR_BY_LOCID

    setTitle(hbTrId("txt_irad_title_internet_radio"));

#else

    setTitle("Internet radio");      

#endif

}

void IRSearchChannelsView::connectWidget()

{     

    LOG_METHOD;

    connect(iListView, SIGNAL(activated(const QModelIndex&)), this, SLOT(clickItem(const QModelIndex&)));

    connect(iChannelModel, SIGNAL(dataAvailable()), this, SLOT(dataChanged()));

    connect(iNetworkController, SIGNAL(networkRequestNotified(IRQNetworkEvent)), this, SLOT(networkRequestNotified(IRQNetworkEvent)));     

    connect(iSearchPanelWidget,SIGNAL(criteriaChanged(const QString&)),this,SLOT(searchTextAlready(const QString&)));

    connect(iSearchPanelWidget, SIGNAL(exitClicked()), this, SLOT(minimizeSearchPanel()));

}

void IRSearchChannelsView::connectIsdsClient()

{

    LOG_METHOD;

    connect(iIsdsClient, SIGNAL(channelItemsChanged(QList<IRQChannelItem *> *)),

            iChannelModel, SLOT(updateData(QList<IRQChannelItem *> *)));    

    connect(iIsdsClient, SIGNAL(operationException(IRQError)),

            this, SLOT(operationException(IRQError)));   

    connect(iIsdsClient, SIGNAL(presetResponse(IRQPreset *)),

}

void IRSearchChannelsView::disconnectIsdsClient()

{ 

    LOG_METHOD;

    disconnect(iIsdsClient, SIGNAL(channelItemsChanged(QList<IRQChannelItem *> *)),

            iChannelModel, SLOT(updateData(QList<IRQChannelItem *> *)));

    disconnect(iIsdsClient, SIGNAL(operationException(IRQError)), this,

            SLOT(operationException(IRQError))); 

    disconnect(iIsdsClient, SIGNAL(presetResponse(IRQPreset *)),

                       this, SLOT(presetResponse(IRQPreset *)));

}

void IRSearchChannelsView::switch2InitState()

{    

    LOG_METHOD;

    iSearchState = ESearch_init;     

    iApplication->stopLoadingAnimation();

} 

void IRSearchChannelsView::switch2LoadingState()

{   

    LOG_METHOD;

    iSearchPanelWidget->clearFocus();

    iListView->setFocus();

    iApplication->startLoadingAnimation(this, SLOT(minimizeSearchPanel()));

}

void IRSearchChannelsView::handleItemSelected()

{

    LOG_METHOD;

    if (iListView)

    {

        int index = iListView->currentIndex().row();

        IRQChannelItem* aItem = iChannelModel->getChannelItemByIndex(index);

        if( NULL != aItem )

        {

            iIsdsClient->isdsListenRequest(aItem->channelID,true);

        }        

    }

}

void IRSearchChannelsView::cancelRequest()

{   

    LOG_METHOD;  

    iIsdsClient->isdsCancelRequest();    

    switch2InitState(); 

} 

void IRSearchChannelsView::networkRequestNotified(IRQNetworkEvent aEvent)

{       

    LOG_METHOD;

    LOG_FORMAT("aEvent = %d", (int)aEvent ); 

    if (getViewManager()->currentView() != this)

    {       

        return;

    }

    switch (aEvent)

    {

    case EIRQNetworkConnectionEstablished:

        if(EIR_UseNetwork_StartSearch == getUseNetworkReason())

        {

            Q_ASSERT( !iKeyText.isEmpty() );

        }

        else if( EIR_UseNetwork_SelectItem == getUseNetworkReason() )

        {            

            handleItemSelected();

        }

        setUseNetworkReason(EIR_UseNetwork_NoReason);

        break;        

    default:             

        switch2InitState();         

        setUseNetworkReason(EIR_UseNetwork_NoReason);        

        break;

    }   

} 

void IRSearchChannelsView::searchTextAlready(const QString& aSearchCriteria)

{

    LOG_METHOD;

    iKeyText = aSearchCriteria.trimmed();

    if( iKeyText.isEmpty() )

    {

        //show some error info here to let user input some criteria

        return;

    }  

    setUseNetworkReason(EIR_UseNetwork_StartSearch);     

    if (false == iApplication->verifyNetworkConnectivity())

    {        

        switch2LoadingState();

        return;

    }

    //if previouse request is in progress, cancel it

    if( ESearch_Loading == iSearchState )

    {

        iIsdsClient->isdsCancelRequest();            

    }

    setUseNetworkReason(EIR_UseNetwork_NoReason);    

    switch2LoadingState();

    iIsdsClient->isdsSearchRequest(iKeyText);    

}

void IRSearchChannelsView::operationException(IRQError aError)

{        

    LOG_METHOD;

    switch2InitState();

    QString errStr;    

    switch(aError)

    {

    case EIRQErrorNotFound:

        errStr = hbTrId("txt_irad_info_no_matching_station_found");

#else

#endif

        break;

    default:

#ifdef SUBTITLE_STR_BY_LOCID

        errStr = hbTrId("txt_irad_info_failed_to_connect");

#else

        errStr = hbTrId("Connecting failed");        

#endif

        break;   

    }

    popupNote(errStr, HbMessageBox::MessageTypeWarning);     

}

void IRSearchChannelsView::clickItem(const QModelIndex&)

{

    LOG_METHOD;

    setUseNetworkReason(EIR_UseNetwork_SelectItem);

#ifdef HS_WIDGET_ENABLED	

    int index = iListView->currentIndex().row();

    IRQChannelItem* currentItem = iChannelModel->getChannelItemByIndex(index);    

    iPlayController->setConnectingStationName(currentItem->channelName,true);

#endif	

    if (false == iApplication->verifyNetworkConnectivity())

    {

        switch2LoadingState();

        return;

    }

    setUseNetworkReason(EIR_UseNetwork_NoReason);

    switch2LoadingState();

    handleItemSelected();

}

void IRSearchChannelsView::presetResponse(IRQPreset *aPreset)

{    

    LOG_METHOD;

    delete iPreset;

    iPreset = aPreset;

    if (iPreset)

    {

        iPlayController->connectToChannel(iPreset,EIRQIsds);

    }

}

void IRSearchChannelsView::dataChanged()

{

    LOG_METHOD;

    switch2InitState();      

    iListView->reset();

    if( iChannelModel->rowCount() )

    {

        iListView->setCurrentIndex(iChannelModel->index(0));

        iListView->verticalScrollBar()->setValue(0.0);

    }

    //we move the focus to the listview and the search panel will

    //hide the virtual keyboard at the same time

}

{

}

void IRSearchChannelsView::minimizeSearchPanel()

{

    LOG_METHOD;

    if( ESearch_Loading == iSearchState )

    {

        iIsdsClient->isdsCancelRequest();

        switch2InitState();      

    }

    int count = iChannelModel->rowCount();

    if (0 == count)

    {         

        iSearchPanelWidget->clearFocus();

        iListView->setFocus();        

        getViewManager()->backToPreviousView();

    }

    else

    {

        iSearchPanelWidget->clearFocus();

        iListView->setFocus();        

    }

    hideVkb();

}

TIRHandleResult IRSearchChannelsView::handleCommand(TIRViewCommand aCommand,

        TIRViewCommandReason aReason)

{

    LOG_METHOD;

    LOG_FORMAT("aCommand = %d", (int)aCommand);

    TIRHandleResult ret = IRBaseView::handleCommand(aCommand, aReason);

    switch (aCommand)

    {   

        iListView->clearFocus();

        iSearchPanelWidget->setFocusDelegation(FocusDelegationFirstChild);  

        iSearchPanelWidget->setFocus();        

        if( (0 == iChannelModel->rowCount()) 

            && iKeyText.isEmpty() )

        {

            showVkb();

        }

        connectIsdsClient();

        break;

    case EIR_ViewCommand_DEACTIVATE:     

        disconnectIsdsClient();

        iIsdsClient->isdsCancelRequest();            

        switch2InitState();

        break;

    default:

        break;

    }

    return ret;

}

bool IRSearchChannelsView::eventFilter(QObject *object, QEvent *event)

{

    if( object == iListView

        && event->type() == QEvent::FocusOut )

    {

        hideVkb();

    }

    return false;

}

void IRSearchChannelsView::showVkb()

{

    QInputContext *ic = qApp->inputContext(); 

    if (ic)

    {

        QEvent *event = new QEvent(QEvent::RequestSoftwareInputPanel);

        ic->filterEvent(event);

        delete event;

    }

}

void IRSearchChannelsView::hideVkb()

{

    QInputContext *ic = qApp->inputContext(); 

    if (ic)

    {

        QEvent *event = new QEvent(QEvent::CloseSoftwareInputPanel);

        ic->filterEvent(event);

        delete event;

    }

}