#include "tmixpopup.h"
#include "devicewidget.h"
#include "../model/audiodevice.h"
#include "../model/pulsemodel.h"

#include <tqlayout.h>
#include <tqframe.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqapplication.h>
#include <tqdesktopwidget.h>
#include <tdelocale.h>
#include <tdeconfig.h>
#include <tdeglobal.h>
#include <twin.h>

TmixPopup::TmixPopup( PulseModel *model, TQWidget *parent )
    : TQWidget( parent, "TmixPopup",
                WStyle_Customize | WType_Popup | WStyle_DialogBorder ),
      m_model(model), m_devWidget(0)
{
    // Single frame fills the popup — header and content share the same border
    TQVBoxLayout *outer = new TQVBoxLayout( this, 0, 0 );

    TQFrame *frame = new TQFrame( this );
    frame->setFrameStyle( TQFrame::NoFrame );
    outer->addWidget( frame );

    m_layout = new TQVBoxLayout( frame, 0, 0 );

    // Thin title strip — inside the frame, so edges line up exactly
    TQLabel *header = new TQLabel( i18n("Volume"), frame );
    header->setAlignment( TQt::AlignCenter );
    header->setFixedHeight( 23 );
    header->setPaletteBackgroundColor( palette().active().mid() );
    header->setPaletteForegroundColor( palette().active().text() );
    m_layout->addWidget( header );

    // Spacer between header and device widget
    m_layout->addSpacing( 4 );

    // device widget inserted at index 0 by setDevice()

    m_layout->addSpacing( 4 );

    // "Mixer" button — flat, compact
    TQPushButton *btn = new TQPushButton( i18n("Mixer"), frame );
    btn->setFlat( true );
    btn->setFixedWidth( 70 );
    m_layout->addWidget( btn, 0, TQt::AlignHCenter );
    m_layout->addSpacing( 4 );
    connect( btn, TQ_SIGNAL(clicked()), this, TQ_SIGNAL(showMixerRequested()) );

    connect( model, TQ_SIGNAL(defaultOutputChanged(AudioDevice*)),
             this,  TQ_SLOT(onDefaultOutputChanged(AudioDevice*)) );

    setDevice( model->defaultOutput() );
}

void TmixPopup::setDevice( AudioDevice *dev )
{
    if ( m_devWidget ) {
        m_layout->remove( m_devWidget );
        delete m_devWidget;
        m_devWidget = 0;
    }
    if ( !dev ) return;

    m_devWidget = new DeviceWidget( dev, m_model,
                                    static_cast<TQWidget*>( m_layout->parent() ) );
    m_devWidget->setSeparatorVisible( false );
    m_layout->insertWidget( 2, m_devWidget );
    m_devWidget->show();
    adjustSize();
}

void TmixPopup::onDefaultOutputChanged( AudioDevice *dev )
{
    setDevice( dev );
}

void TmixPopup::toggleAt( const TQPoint &trayPos, const TQSize &traySize )
{
    if ( isVisible() ) {
        hide();
        return;
    }

    adjustSize();

    TQRect screen = TQApplication::desktop()->screenGeometry( trayPos );

    int x = trayPos.x() + traySize.width() / 2 - width() / 2;
    int y = trayPos.y() - height();

    if ( y < screen.top() )
        y = trayPos.y() + traySize.height();

    if ( x + width() > screen.right() )
        x = screen.right() - width();
    if ( x < screen.left() )
        x = screen.left();

    move( x, y );
    show();

    KWin::setState( winId(), NET::KeepAbove | NET::SkipTaskbar | NET::SkipPager );
    KWin::setOnAllDesktops( winId(), true );
}

bool TmixPopup::justHidden() const
{
    return m_hideTime.isValid() && m_hideTime.elapsed() < 300;
}

void TmixPopup::hideEvent( TQHideEvent *e )
{
    TQWidget::hideEvent( e );
    m_hideTime.start();
}

void TmixPopup::wheelEvent( TQWheelEvent *e )
{
    AudioDevice *dev = m_model->defaultOutput();
    if ( !dev ) return;
    TDEConfig *cfg = TDEGlobal::config();
    cfg->setGroup("General");
    int step = cfg->readNumEntry("ScrollStep", 5);
    int delta = e->delta() > 0 ? step : -step;
    int vol = TQMAX( 0, TQMIN( 100, dev->volume() + delta ) );
    dev->setVolume( vol );
}

#include "tmixpopup.moc"