SoundTrack.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2014 Sanjiban Bairagya <sanjiban22393@gmail.com>
//
 
#include "SoundTrack.h"
 
#include "PlaybackSoundCueItem.h"
 
namespace Marble
{
 
SoundTrack::SoundTrack( PlaybackSoundCueItem* item )
{
    m_item = item;
    m_progress = 0;
    m_delayBeforeTrackStarts = 0;
    m_paused = true;
    connect( &m_timer, SIGNAL(timeout()), this, SLOT(playSlot()) );
}
 
void SoundTrack::setDelayBeforeTrackStarts( double delay )
{
    m_delayBeforeTrackStarts = delay;
    m_timer.setSingleShot( true );
    m_timer.setInterval( m_delayBeforeTrackStarts * 1000 );
}
 
double SoundTrack::delayBeforeTrackStarts() const
{
    return m_delayBeforeTrackStarts;
}
 
void SoundTrack::play()
{
    m_paused = false;
    m_playTime = QDateTime::currentDateTime();
    if( m_progress <= m_delayBeforeTrackStarts ){
        m_timer.start( ( m_delayBeforeTrackStarts - m_progress ) * 1000 );
    } else {
        m_item->play();
    }
}
 
void SoundTrack::playSlot()
{
    m_item->play();
}
 
void SoundTrack::pause()
{
    m_paused = true;
    m_pauseTime = QDateTime::currentDateTime();
    m_progress += m_playTime.msecsTo( m_pauseTime );
    if( m_timer.isActive() ){
        m_timer.stop();
    } else {
        m_item->pause();
    }
}
 
void SoundTrack::seek( double offset )
{
    m_timer.stop();
    m_progress = offset;
    m_playTime = QDateTime::currentDateTime().addMSecs( -offset * 1000 );
 
    if( offset <= m_delayBeforeTrackStarts ){
        if( !m_paused ){
            m_pauseTime = QDateTime();
            m_item->stop();
            m_timer.start( ( m_delayBeforeTrackStarts - m_progress ) * 1000 );
        } else {
            m_pauseTime = QDateTime::currentDateTime();
        }
    } else {
        if( !m_paused ){
            m_pauseTime = QDateTime();
            m_item->seek( offset - m_delayBeforeTrackStarts );
        } else {
            m_pauseTime = QDateTime::currentDateTime();
            m_item->seek( offset - m_delayBeforeTrackStarts );
        }
    }
}
 
void SoundTrack::stop()
{
    m_paused = true;
    m_item->stop();
    m_timer.stop();
    m_playTime = QDateTime();
    m_pauseTime = QDateTime();
    m_progress = 0;
}
 
void SoundTrack::setPaused( bool pause )
{
    m_paused = pause;
}
 
}
 
#include "moc_SoundTrack.cpp"