/*

* 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 "radiohistoryview.h"

#include "radiouiengine.h"

#include "radiostationmodel.h"

#include "radiologger.h"

#include "radiouiloader.h"

// Constants

/**

 * Timeout for volumesliderpopup

 */

const int VOLUME_POPUP_TIMEOUT = 5000;

/*!

 *

 */

RadioWindow::RadioWindow( QWidget* parent ) :

    HbMainWindow( parent )

{

}

/*!

 *

 */

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.show();

}

/*!

 *

 */

void RadioWindow::init()

{

    Radio::connect( this,                   SIGNAL(viewReady()),

                    this,                   SLOT(initView()) );

    activateMainView();

}

/*!

 * 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()

{

    if ( !mMainView ) {

        mMainView = ViewPtr( new RadioMainView() );

    }

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

}

/*!

 *

 */

void RadioWindow::activateStationsView()

{

    if ( !mStationsView ) {

        mStationsView = ViewPtr( new RadioStationsView() );

    }

    activateView( mStationsView.data(), DOCML::FILE_STATIONSVIEW );

}

/*!

 *

 */

void RadioWindow::activateHistoryView()

{

    if ( !mHistoryView ) {

        mHistoryView = ViewPtr( new RadioHistoryView() );

    }

    activateView( mHistoryView.data(), DOCML::FILE_HISTORYVIEW );

}

/*!

 * Private slot

 *

 */

void RadioWindow::initView()

{

    if ( !mUiEngine ) {

        mUiEngine = QSharedPointer<RadioUiEngine>( new RadioUiEngine( this ) );

        // 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

        Radio::connect( this,               SIGNAL(orientationChanged(Qt::Orientation)),

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

        Radio::connect( mUiEngine.data(),   SIGNAL(volumeChanged(int)),

                        this,               SLOT(showVolumeLevel(int)) );

        Radio::connect( mUiEngine.data(),   SIGNAL(antennaStatusChanged(bool)),

                        this,               SLOT(updateAntennaStatus(bool)) );

        Radio::connect( mUiEngine.data(),   SIGNAL(powerOffRequested()),

                        qApp,               SLOT(quit()) );

    }

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

    if ( !view->isInitialized() ) {

        view->initialize( mUiEngine );

    }

}

/*!

 * 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, MAXIMUM_VOLUME_LEVEL );

        mVolSlider->setSingleStep( 1 );

        mVolSlider->setTimeout( VOLUME_POPUP_TIMEOUT );

        Radio::connect( mVolSlider.data(),  SIGNAL(valueChanged(int)),

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

    }

    mVolSlider->setValue( volume );

    //TODO: Check if this should be localized

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

    mVolSlider->show();

}

/*!

 * Private slot

 *

 */

void RadioWindow::updateAntennaStatus( bool connected )

{

    if ( !connected ) {

        if ( !mMessageBox ) {

            mMessageBox.reset( new HbMessageBox() );

        }

        mMessageBox->setText( hbTrId( "txt_rad_dpophead_connect_wired_headset" ) );

        mMessageBox->setDismissPolicy( HbPopup::NoDismiss );

        mMessageBox->setTimeout( HbPopup::NoTimeout );

//        mMessageBox->setAttribute( Qt::WA_DeleteOnClose, true );

        mMessageBox->open();

    } else {

        mMessageBox.reset();

    }

}

/*!

 *

 */

void RadioWindow::activateView( RadioViewBase* 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->isInitialized() ) {

        viewCreated = true;

        QScopedPointer<RadioUiLoader> uiLoader( new RadioUiLoader() );

        // By default the document loader would create a new HbView instance for our view so we need

        // to use a silly little hack to prevent it. We call our view "view" and pass it to the document loader

        // so it already exists.

        aMember->setObjectName( DOCML::NAME_VIEW );

        QObjectList objectList;

        objectList.append( aMember );

        uiLoader->setObjectTree( objectList );

        bool ok = false;

        uiLoader->load( docmlFile, &ok );

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

        if ( !ok ) {

            uiLoader.reset();

            return;

        }

        aMember->setMembers( this, uiLoader.take() );

        aMember->preLazyLoadInit();

        addView( aMember );

    }

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

    setCurrentView( aMember, true, flags );

}