/*

* 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 <QPushButton>

#include <QGridLayout>

#include <QVBoxLayout>

#include <HbMainWindow>

#include <QTimer>

#include <QMessageBox>

#include <QComboBox>

#include <QLocalSocket>

#include <QDir>

#include <QStringListModel>

#include <QSettings>

#include <HbInstance>

#include <QLabel>

// User includes

#include "testwindow_win32.h"

#include "radioapplication.h"

#include "radiologger.h"

#include "radio_global.h"

#include "radioenginewrapper_win32_p.h"

const int KWindowWidth = 360;

const int KWindowHeight = 640;

const int KToolbarHeight = 140;

const QString KBtnDisconnectHeadset = "Disconnect Headset";

const QString KBtnConnectHeadset = "Connect Headset";

const QString KBtnGoOffline = "Go Offline";

const QString KBtnGoOnline = "Go Online";

struct Song

{

    const char* mArtist;

    const char* mTitle;

};

const Song KRecognizedSongs[] = {

    { "Red Hot Chili Peppers", "Under The Bridge" },

    { "Queens Of The Stone Age", "No One Knows" },

    { "The Presidents of the United States of America", "Dune Buggy" },

    { "System of a Down", "Aerials" },

    { "The White Stripes", "Seven Nation Army" },

    { "Alice In Chains", "When The Sun Rose Again" },

    { "Bullet For My Valentine", "Tears Don't Fall" }

};

const int KSongsCount = sizeof( KRecognizedSongs ) / sizeof( KRecognizedSongs[0] );

/*!

 *

 */

Win32Window::Win32Window() :

    QWidget( 0 ),

    mOrientationButton( new QPushButton( "Change Orientation", this ) ),

    mVolUpButton( new QPushButton( "Volume Up", this ) ),

    mVolDownButton( new QPushButton( "Volume Down", this ) ),

    mAddSongButton( new QPushButton( "Add Song", this ) ),

    mClearSongButton( new QPushButton( "Clear Song", this ) ),

    mHeadsetButton( new QPushButton( KBtnDisconnectHeadset, this ) ),

    mHeadsetConnected( true ),

    mOfflineButton( new QPushButton( KBtnGoOffline, this ) ),

    mThemeBox( new QComboBox( this ) ),

    mToolbarLayout( 0 ),

    mVolume( 5 ),

    mRadioWindow( 0 ),

    mOrientation( Qt::Vertical ),

    mSongIndex( 0 )

{

    mThemeBox->setEditable( false );

    initThemes();    

    Radio::connect( mOrientationButton, SIGNAL(clicked()), this, SLOT(changeOrientation()) );

    Radio::connect( mVolUpButton, SIGNAL(clicked()), this, SLOT(volumeUp()) );

    Radio::connect( mVolDownButton, SIGNAL(clicked()), this, SLOT(volumeDown()) );

    Radio::connect( mHeadsetButton, SIGNAL(clicked()), this, SLOT(toggleHeadsetStatus()) );

    Radio::connect( mAddSongButton, SIGNAL(clicked()), this, SLOT(addSong()) );

    Radio::connect( mClearSongButton, SIGNAL(clicked()), this, SLOT(clearSong()) );

    Radio::connect( mOfflineButton, SIGNAL(clicked()), this, SLOT(toggleOffline()) );

    Radio::connect( mThemeBox, SIGNAL(activated(QString)), this, SLOT(changeTheme(QString)) );

    QTimer::singleShot( 0, this, SLOT(updateWindowSize()) );

}

/*!

 *

 */

Win32Window::~Win32Window()

{

}

/*!

 *

 */

void Win32Window::addHbWindow( HbMainWindow* radioWindow )

{

    mRadioWindow = radioWindow;

    mOrientation = mRadioWindow->orientation();

    updateWindowSize();

    QVBoxLayout* layout = new QVBoxLayout( this );

    layout->setMargin( 5 );

    layout->setSpacing( 5 );

    mToolbarLayout = new QGridLayout( this );

    mToolbarLayout->setHorizontalSpacing( 5 );

    mToolbarLayout->setVerticalSpacing( 5 );

    mToolbarLayout->addWidget( mOrientationButton, 0, 0 );

    mToolbarLayout->addWidget( mVolUpButton, 0, 1 );

    mToolbarLayout->addWidget( mVolDownButton, 1, 1 );

    mToolbarLayout->addWidget( mHeadsetButton, 1, 0 );

    mToolbarLayout->addWidget( mAddSongButton, 2, 0 );

    mToolbarLayout->addWidget( mClearSongButton, 2, 1 );

    mToolbarLayout->addWidget( mOfflineButton, 3, 0 );

    QGridLayout* themeLayout = new QGridLayout( this );

    themeLayout->addWidget( new QLabel( "Theme:", this ), 0, 0 );

    themeLayout->addWidget( mThemeBox, 0, 1 );

    themeLayout->setColumnStretch( 1, 2 );

    mToolbarLayout->addLayout( themeLayout, 3, 1 );

    mToolbarLayout->setColumnStretch( 0, 1 );

    mToolbarLayout->setColumnStretch( 1, 1 );

    layout->addItem( mToolbarLayout );

    layout->addWidget( radioWindow );

    setLayout( layout );

}

/*!

 *

 */

void Win32Window::init()

{

    RadioEngineWrapperPrivate* wrapper = RadioEngineWrapperPrivate::instance();

    if ( wrapper ) {

        QString error = wrapper->dataParsingError();

        if ( !error.isEmpty() ) {

            QMessageBox msg( QMessageBox::Warning, "Unable to parse radio settings", error, QMessageBox::Ok );

            msg.exec();

        }

        if ( wrapper->isOffline() ) {

            mOfflineButton->setText( KBtnGoOnline );

        }

    }

    updateWindowSize();

}

/*!

 * Private slot

 */

void Win32Window::changeOrientation()

{

    if ( mOrientation == Qt::Horizontal ) {

        mOrientation = Qt::Vertical;

    } else {

        mOrientation = Qt::Horizontal;

    }

    mRadioWindow->setOrientation( mOrientation );

    updateWindowSize();

}

/*!

 * Private slot

 */

void Win32Window::volumeUp()

{

    if ( ++mVolume > MAXIMUM_VOLUME_LEVEL ) {

        mVolume = MAXIMUM_VOLUME_LEVEL;

    }

    RadioEngineWrapperPrivate::instance()->setVolume( mVolume );

}

/*!

 * Private slot

 */

void Win32Window::volumeDown()

{

    if ( --mVolume < 0 ) {

        mVolume = 0;

    }

    RadioEngineWrapperPrivate::instance()->setVolume( mVolume );

}

/*!

 * Private slot

 */

void Win32Window::toggleHeadsetStatus()

{

    mHeadsetConnected = !mHeadsetConnected;

    if ( mHeadsetConnected ) {

        mHeadsetButton->setText( KBtnDisconnectHeadset );

    } else {

        mHeadsetButton->setText( KBtnConnectHeadset );

    }

    RadioEngineWrapperPrivate::instance()->setHeadsetStatus( mHeadsetConnected );

}

/*!

 * Private slot

 */

void Win32Window::updateWindowSize()

{

    if ( mOrientation == Qt::Horizontal ) {

        resize( KWindowHeight, KWindowWidth + KToolbarHeight );

    } else {

        resize( KWindowWidth, KWindowHeight + KToolbarHeight );

    }

}

/*!

 * Private slot

 */

void Win32Window::addSong()

{

    Song song = KRecognizedSongs[mSongIndex++];

    mSongIndex %= KSongsCount;

    RadioEngineWrapperPrivate::instance()->addSong( song.mArtist, song.mTitle );

}

/*!

 * Private slot

 */

void Win32Window::clearSong()

{

    RadioEngineWrapperPrivate::instance()->clearSong();

}

/*!

 * Private slot

 */

void Win32Window::toggleOffline()

{

    bool offline = !RadioEngineWrapperPrivate::instance()->isOffline();

    RadioEngineWrapperPrivate::instance()->setOffline( offline );

    if ( offline ) {

        mOfflineButton->setText( KBtnGoOnline );

    } else {

        mOfflineButton->setText( KBtnGoOffline );

    }

}

/*!

 * Private slot

 */

void Win32Window::changeTheme( const QString& theme )

{

    QLocalSocket socket;

    socket.connectToServer( "hbthemeserver" );

    if ( socket.waitForConnected( 3000 ) ) {

        QByteArray outputByteArray;

        QDataStream outputDataStream( &outputByteArray, QIODevice::WriteOnly );

        outputDataStream << 4; // EThemeSelection from HbThemeServerRequest in hbthemecommon_p.h

        outputDataStream << theme;

        socket.write( outputByteArray );

        socket.flush();

    }

}

/*!

 *

 */

void Win32Window::initThemes()

{

    QStringList themeList;

    foreach ( const QString& themeRootPath, themeRootPaths() ) {

        QDir dir( themeRootPath ) ;

        QStringList list = dir.entryList( QDir::AllDirs | QDir::NoDotAndDotDot, QDir::Name );

        if ( list.contains( "themes", Qt::CaseSensitive ) ) {

            QDir root = themeRootPath;

            dir.setPath( root.path() + "/themes/icons/" );

            QStringList iconthemeslist = dir.entryList( QDir::AllDirs | QDir::NoDotAndDotDot, QDir::Name );

            foreach ( QString themefolder, iconthemeslist ) {

                QDir iconThemePath( root.path() + "/themes/icons/" + themefolder );

                if ( iconThemePath.exists( "index.theme" ) ) {

                    QSettings iniSetting( iconThemePath.path() + "/index.theme", QSettings::IniFormat );

                    iniSetting.beginGroup( "Icon Theme" );

                    QString hidden = iniSetting.value( "Hidden" ).toString();

                    QString name = iniSetting.value( "Name" ).toString();

                    iniSetting.endGroup();

                    if ( (hidden == "true") || ( hidden == "" ) || ( name != themefolder ) ) {

                        iconthemeslist.removeOne( themefolder );

                    }

                }

                else {

                     iconthemeslist.removeOne( themefolder );

                }

            }

            themeList.append( iconthemeslist );

        }

    }

    if ( themeList.count() == 0 ) {

        themeList.insert( 0, "hbdefault" ); //adding one default entry

        mThemeBox->setEnabled( false );

    }

    mThemeBox->setModel( new QStringListModel( themeList, mThemeBox ) );

    for ( int i = 0; i < themeList.count(); ++i ) {

        QString theme = themeList.at( i );

        if ( theme == HbInstance::instance()->theme()->name() ) {

            mThemeBox->setCurrentIndex( i );

        }

    }

}

/*!

 *

 */

QStringList Win32Window::themeRootPaths()

{

    QStringList rootDirs;

    QString envDir = qgetenv( "HB_THEMES_DIR" );

    if ( !envDir.isEmpty() ) {

        rootDirs << envDir;

    }

    rootDirs << HB_RESOURCES_DIR;

    return rootDirs;

}