/*

* 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 <HbInstance>

#include <HbAction>

#include <HbMessageBox>

#include <HbVolumeSliderPopup>

#include "radiomainwindow.h"

#include "radiotuningview.h"

#include "radiostationsview.h"

#include "radiouiengine.h"

#include "radiostationmodel.h"

#include "radiologger.h"

#include "radioxmluiloader.h"

// Constants

/**

 * Desired amount of delay of volumesliderpopup

 */

const int KVolumeSliderDelay = 5000;

/*!

 *

 */

RadioMainWindow::RadioMainWindow( QWidget* parent ) :

    HbMainWindow( parent ),

    mUiEngine( 0 )

{

}

/*!

 *

 */

RadioMainWindow::~RadioMainWindow()

{

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

}

/*!

 *

 */

bool RadioMainWindow::isOfflineUsageAllowed()

{

    DummyViewPtr dummyView = prepareToShowDialog();

    HbMessageBox box( HbMessageBox::MessageTypeQuestion );

    box.setText( hbTrId( "txt_rad_info_activate_radio_in_offline_mode" ) );

    box.setTimeout( HbPopup::NoTimeout );

    box.setDismissPolicy( HbPopup::NoDismiss );

    HbAction* primaryAction = new HbAction( hbTrId( "txt_common_button_yes" ) );

    box.setPrimaryAction( primaryAction );

    HbAction* secondaryAction = new HbAction( hbTrId( "txt_common_button_no" ) );

    box.setSecondaryAction( secondaryAction );

    const bool answer = box.exec() == box.primaryAction();

    dialogShown( dummyView );

    return answer;

}

/*!

 *

 */

void RadioMainWindow::showErrorMessage( const QString& text )

{

    DummyViewPtr dummyView = prepareToShowDialog();

    HbMessageBox::warning( text );

    dialogShown( dummyView );

}

/*!

 *

 */

void RadioMainWindow::init( RadioUiEngine* uiEngine )

{

    LOG_METHOD;

    mUiEngine = uiEngine;

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

    // the updates to the views

    connectAndTest( hbInstance->allMainWindows().first(),   SIGNAL(orientationChanged(Qt::Orientation)),

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

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

                    this,       SLOT(showVolumeLevel(int)) );

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

                    this,       SLOT(updateAntennaStatus(bool)) );

    activateTuningView();

}

/*!

 *

 */

RadioUiEngine& RadioMainWindow::uiEngine()

{

    return *mUiEngine;

}

/*!

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

 */

QString RadioMainWindow::orientationSection()

{

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

}

/*!

 *

 */

void RadioMainWindow::activateTuningView()

{

    activateView( mTuningView, DOCML::FILE_TUNINGVIEW, Hb::ViewSwitchUseBackAnim );

}

/*!

 *

 */

void RadioMainWindow::activateStationsView()

{

    activateView( mStationsView, DOCML::FILE_STATIONSVIEW );

}

/*!

 *

 */

void RadioMainWindow::activateHistoryView()

{

    activateView( mHistoryView, DOCML::FILE_HISTORYVIEW );

}

/*!

 * Private slot

 *

 */

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

{

    HbView* view = currentView();

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

    if ( view ) {

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

    }

}

/*!

 * Private slot

 *

 */

void RadioMainWindow::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,          SLOT(setVolume(int)) );

    }

    mVolSlider->setValue( volume );

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

    mVolSlider->show();

}

/*!

 * Private slot

 *

 */

void RadioMainWindow::updateAntennaStatus( bool connected )

{

    if ( !connected ) {

        HbMessageBox infoBox( hbTrId( "txt_rad_dpophead_connect_wired_headset" ) );

        infoBox.exec();

    }

}

/*!

 *

 */

void RadioMainWindow::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;

        RadioXmlUiLoader* uiLoader = new RadioXmlUiLoader();

        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->init( uiLoader, this );

        addView( aMember );

    }

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

    setCurrentView( aMember, true, flags );

}

/*!

 *

 */

DummyViewPtr RadioMainWindow::prepareToShowDialog()

{

    // To be able to draw a dialog on screen we need a HbMainWindow instance and a HbView to get a graphics scene

    // so we create a dummy view and set it active

    DummyViewPtr dummyView( new HbView() );

    addView( dummyView.data() );

    setCurrentView( dummyView.data() );

    show();

    return dummyView;

}

/*!

 *

 */

void RadioMainWindow::dialogShown( DummyViewPtr pointer )

{

    // Clean up the dummy view

    hide();

    removeView( pointer.data() );

    pointer.clear();

}