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//===========================================
// Lumina-DE source code
// Copyright (c) 2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "MultimediaWidget.h"
#include "ui_MultimediaWidget.h"
#include <QTimer>
MultimediaWidget::MultimediaWidget(QWidget *parent) : QWidget(parent), ui(new Ui::MultimediaWidget){
ui->setupUi(this); //load the designer file
//Add in the special QMultimediaWidgets
mediaObj = new QMediaPlayer(this);
mediaObj->setVolume(100);
mediaObj->setNotifyInterval(500); //only every 1/2 second update
videoDisplay = new QVideoWidget(this);
videoDisplay->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
ui->videoLayout->addWidget(videoDisplay);
mediaObj->setVideoOutput(videoDisplay);
videoDisplay->setVisible(false);
UpdateIcons();
UpdateText();
//Connect the special signals/slots for the media object
connect(mediaObj, SIGNAL(durationChanged(qint64)), this, SLOT(playerDurationChanged(qint64)) );
connect(mediaObj, SIGNAL(seekableChanged(bool)), ui->playerSlider, SLOT(setEnabled(bool)) );
connect(mediaObj, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), this, SLOT(playerStatusChanged(QMediaPlayer::MediaStatus)) );
connect(mediaObj, SIGNAL(positionChanged(qint64)), this, SLOT(playerTimeChanged(qint64)) );
connect(mediaObj, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(playerStateChanged(QMediaPlayer::State)) );
connect(mediaObj, SIGNAL(videoAvailableChanged(bool)), this, SLOT(playerVideoAvailable(bool)) );
connect(mediaObj, SIGNAL(error(QMediaPlayer::Error)), this, SLOT(playerError()) );
//Disable some of the initial states
ui->tool_player_stop->setEnabled(false); //nothing to stop yet
ui->tool_player_pause->setVisible(false); //nothing to pause yet
ui->playerSlider->setEnabled(false); //nothing to seek yet
}
MultimediaWidget::~MultimediaWidget(){
}
// ================
// PUBLIC SLOTS
// ================
void MultimediaWidget::ClearPlaylist(){
mediaObj->stop();
ui->combo_player_list->clear();
}
void MultimediaWidget::LoadMultimedia(QList<LFileInfo> list){
for(int i=0; i<list.length(); i++){
if(list[i].isAVFile()){ ui->combo_player_list->addItem(list[i].fileName(), list[i].absoluteFilePath() ); }
}
}
void MultimediaWidget::Cleanup(){
mediaObj->stop(); //just make sure the player is stopped
}
//Theme change functions
void MultimediaWidget::UpdateIcons(){
ui->tool_player_next->setIcon( LXDG::findIcon("media-skip-forward","") );
ui->tool_player_prev->setIcon( LXDG::findIcon("media-skip-backward","") );
ui->tool_player_pause->setIcon( LXDG::findIcon("media-playback-pause","") );
ui->tool_player_play->setIcon( LXDG::findIcon("media-playback-start","") );
ui->tool_player_stop->setIcon( LXDG::findIcon("media-playback-stop","") );
}
void MultimediaWidget::UpdateText(){
ui->retranslateUi(this);
}
// =================
// PRIVATE
// =================
QString MultimediaWidget::msToText(qint64 ms){
QString disp;
if(ms>3600000){
disp.append( QString::number(ms/3600000)+":" );
ms = ms%3600000;
}
if(ms>60000){
disp.append( QString::number(ms/60000)+":" );
ms = ms%60000;
}else{
disp.append("0:");
}
if(ms>1000){
if(ms>=10000){ disp.append( QString::number(ms/1000) ); }
else{ disp.append( "0"+QString::number(ms/1000) ); }
}else{
disp.append("00");
}
return disp;
}
// =================
// PRIVATE SLOTS
// =================
void MultimediaWidget::playerStatusChanged(QMediaPlayer::MediaStatus stat){
//Only use this for end-of-file detection - use the state detection otherwise
if(stat == QMediaPlayer::EndOfMedia){
if(!mediaObj->isMuted()){ playerFinished(); } //make sure it is not being seeked right now
}
}
void MultimediaWidget::playerStateChanged(QMediaPlayer::State newstate){
//This function keeps track of updating the visuals of the player
bool running = false;
bool showVideo = false;
QString msg;
switch(newstate){
case QMediaPlayer::PlayingState:
running=true;
showVideo = mediaObj->isVideoAvailable();
msg = "";//mediaObj->metaData(Phonon::TitleMetaData).join(" ");
if(msg.simplified().isEmpty()){ msg = ui->combo_player_list->currentText(); }
ui->label_player_novideo->setText(tr("Playing:")+"\n"+msg);
break;
case QMediaPlayer::PausedState:
showVideo=videoDisplay->isVisible(); //don't change the screen
break;
case QMediaPlayer::StoppedState:
ui->label_player_novideo->setText(tr("Stopped"));
break;
}
ui->tool_player_play->setVisible(!running);
ui->tool_player_pause->setVisible(running);
ui->tool_player_stop->setEnabled(running);
ui->label_player_novideo->setVisible(!showVideo);
videoDisplay->setVisible(showVideo);
}
void MultimediaWidget::playerVideoAvailable(bool showVideo){
ui->label_player_novideo->setVisible(!showVideo);
videoDisplay->setVisible(showVideo);
}
void MultimediaWidget::playerDurationChanged(qint64 dur){
if(dur < 0){ return; } //not ready yet
ui->playerSlider->setMaximum(mediaObj->duration());
playerTTime = msToText(dur);
}
void MultimediaWidget::playerTimeChanged(qint64 ctime){
if(mediaObj->isMuted() || playerTTime.isEmpty() ){ return; } //currently being moved
ui->playerSlider->setSliderPosition(ctime);
}
void MultimediaWidget::playerError(){
QString msg = QString(tr("Error Playing File: %1"));
msg = msg.arg( mediaObj->currentMedia().canonicalUrl().fileName() );
msg.append("\n"+mediaObj->errorString());
ui->label_player_novideo->setText(msg);
}
void MultimediaWidget::playerFinished(){
if(ui->combo_player_list->currentIndex()<(ui->combo_player_list->count()-1) && ui->check_player_gotonext->isChecked()){
ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()+1 );
QTimer::singleShot(0,this,SLOT(on_tool_player_play_clicked()));
}else{
ui->label_player_novideo->setText(tr("Finished"));
}
}
void MultimediaWidget::on_tool_player_play_clicked(){
if(mediaObj->state()==QMediaPlayer::PausedState \
&& mediaObj->currentMedia().canonicalUrl().fileName()==ui->combo_player_list->currentText() ){
mediaObj->play();
}else{
mediaObj->stop();
//Get the selected file path
QString filePath = ui->combo_player_list->currentData().toString();
mediaObj->setMedia( QUrl::fromLocalFile(filePath) );
playerTTime.clear();
ui->playerSlider->setEnabled(mediaObj->isSeekable());
mediaObj->play();
}
}
void MultimediaWidget::on_combo_player_list_currentIndexChanged(int index){
ui->tool_player_next->setEnabled( ui->combo_player_list->count() > (index+1) );
ui->tool_player_prev->setEnabled( (index-1) >= 0 );
}
void MultimediaWidget::on_tool_player_next_clicked(){
ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()+1);
if(mediaObj->state()!=QMediaPlayer::StoppedState){ on_tool_player_play_clicked(); }
}
void MultimediaWidget::on_tool_player_prev_clicked(){
ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()-1);
if(mediaObj->state()!=QMediaPlayer::StoppedState){ on_tool_player_play_clicked(); }
}
void MultimediaWidget::on_tool_player_pause_clicked(){
mediaObj->pause();
}
void MultimediaWidget::on_tool_player_stop_clicked(){
mediaObj->stop();
}
//Slider controls
void MultimediaWidget::on_playerSlider_sliderPressed(){
mediaObj->setMuted(true);
mediaObj->pause();
}
void MultimediaWidget::on_playerSlider_sliderReleased(){
if(mediaObj->state()==QMediaPlayer::PausedState){ mediaObj->play(); }
mediaObj->setMuted(false);
}
void MultimediaWidget::on_playerSlider_valueChanged(int val){
ui->label_player_runstats->setText( msToText(val)+"/"+playerTTime );
if(mediaObj->isMuted()){ mediaObj->setPosition(val); } //currently seeking
}
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