/*

* 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:

*

*/

// System includes

#include <HbInstance>

#include <HbAction>

#include <HbDeviceMessageBox>

#include <HbVolumeSliderPopup>

// User includes

#include "radiowindow.h"

#include "radiomainview.h"

#include "radiostationsview.h"

#include "radiouiengine.h"

#include "radiostationmodel.h"

#include "radiologger.h"

#include "radiouiloader.h"

// Constants

/**

 * Desired amount of delay of volumesliderpopup

 */

const int KVolumeSliderDelay = 5000;

/*!

 *

 */

RadioWindow::RadioWindow( QWidget* parent ) :

    HbMainWindow( parent ),

    mUiEngine( new RadioUiEngine( this ) )

{

}

/*!

 *

 */

RadioWindow::~RadioWindow()

{

    // Destructor needs to be defined. See explanation from RadioEngineWrapperPrivate destructor.

}

/*!

 *

 */

void RadioWindow::showErrorMessage( const QString& text )

{

    HbDeviceMessageBox box( text, HbMessageBox::MessageTypeWarning );

    box.setTimeout( HbPopup::NoTimeout );

    box.setDismissPolicy( HbPopup::NoDismiss );

    box.exec();

}

/*!

 *

 */

void RadioWindow::init()

{

    connectAndTest( this, SIGNAL(viewReady()),

                    this, SLOT(initView()) );

    activateMainView();

}

/*!

 *

 */

RadioUiEngine& RadioWindow::uiEngine()

{

    return *mUiEngine;

}

/*!

 * Returns the XML layout section that corresponds to the view orientation

 */

QString RadioWindow::orientationSection()

{

    return orientation() == Qt::Vertical ? DOCML::SECTION_PORTRAIT : DOCML::SECTION_LANDSCAPE;

}

/*!

 *

 */

void RadioWindow::activateMainView()

{

    activateView( mMainView, DOCML::FILE_MAINVIEW, Hb::ViewSwitchUseBackAnim );

}

/*!

 *

 */

void RadioWindow::activateStationsView()

{

    activateView( mStationsView, DOCML::FILE_STATIONSVIEW );

}

/*!

 *

 */

void RadioWindow::activateHistoryView()

{

    activateView( mHistoryView, DOCML::FILE_HISTORYVIEW );

}

/*!

 * Private slot

 *

 */

void RadioWindow::initView()

{

    if ( !mUiEngine->isInitialized() ) {

        // Start the engine

        if ( !mUiEngine->init() ) {

            showErrorMessage( hbTrId( "txt_fmradio_info_fm_radio_could_not_be_started" ) );

            qApp->quit();

            return;

        }

        // MainWindow is the one that always listens for orientation changes and then delegates

        // the updates to the views

        connectAndTest( this,               SIGNAL(orientationChanged(Qt::Orientation)),

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

        connectAndTest( mUiEngine.data(),   SIGNAL(volumeChanged(int)),

                        this,               SLOT(showVolumeLevel(int)) );

        connectAndTest( mUiEngine.data(),   SIGNAL(antennaStatusChanged(bool)),

                        this,               SLOT(updateAntennaStatus(bool)) );

    }

    RadioViewBase* view = static_cast<RadioViewBase*>( currentView() );

    if ( !view->isInitialized() ) {

        view->init();

    }

}

/*!

 * Private slot

 *

 */

void RadioWindow::updateOrientation( Qt::Orientation orientation )

{

    HbView* view = currentView();

    RADIO_ASSERT( view, "RadioWindow::updateOrientation", "Current view not found!" );

    if ( view ) {

        static_cast<RadioViewBase*>( view )->updateOrientation( orientation );

    }

}

/*!

 * Private slot

 *

 */

void RadioWindow::showVolumeLevel( int volume )

{

    if ( !mVolSlider ) {

        mVolSlider.reset( new HbVolumeSliderPopup() );

        mVolSlider->setRange( 0, KMaximumVolumeLevel );

        mVolSlider->setSingleStep( 1 );

        mVolSlider->setTimeout( KVolumeSliderDelay );

        connectAndTest( mVolSlider.data(),  SIGNAL(valueChanged(int)),

                        mUiEngine.data(),   SLOT(setVolume(int)) );

    }

    mVolSlider->setValue( volume );

    mVolSlider->setText( QString( "%L1%" ).arg( volume * 100 / KMaximumVolumeLevel ) );

    mVolSlider->show();

}

/*!

 * Private slot

 *

 */

void RadioWindow::updateAntennaStatus( bool connected )

{

    if ( !connected ) {

        HbMessageBox::information( hbTrId( "txt_rad_dpophead_connect_wired_headset" ) );

    }

}

/*!

 *

 */

void RadioWindow::activateView( ViewPtr& aMember, const QString& docmlFile, Hb::ViewSwitchFlags flags )

{

    LOG_METHOD;

    if ( aMember && aMember == currentView() ) {

        return;

    }

    RadioViewBase* previousView = static_cast<RadioViewBase*>( currentView() );

    if ( previousView && previousView->isTransient() ) {

        removeView( previousView );

        previousView->deleteLater();

    }

    bool viewCreated = false;

    if ( !aMember ) {

        viewCreated = true;

        RadioUiLoader* uiLoader = new RadioUiLoader();

        bool ok = false;

        // View takes ownership of the ui loader when it is created inside the load function

        QObjectList objectList = uiLoader->load( docmlFile, &ok );

        RADIO_ASSERT( ok , "FMRadio", "invalid DocML file" );

        if ( !ok ) {

            delete uiLoader;

            uiLoader = 0;

            return;

        }

        aMember = ViewPtr( uiLoader->findObject<RadioViewBase>( DOCML::NAME_VIEW ) );

        foreach( QObject* object, objectList ) {

            const QString className = object->metaObject()->className();

            if ( !object->parent() && object != aMember.data() ) {

                object->setParent( aMember.data() );

            }

        }

        aMember->setMembers( uiLoader, this );

        addView( aMember );

    }

    aMember->updateOrientation( orientation(), viewCreated );

    setCurrentView( aMember, true, flags );

}