MusicPlayer::MusicPlayer(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MusicPlayer)
{
ui->setupUi(this);
Player = new QMediaPlayer(this);
PlayList = new QMediaPlaylist;
connect(Player,SIGNAL(positionChanged(qint64)),this,SLOT(PositionChanged(qint64)));
connect(ui->LengthSlider,SIGNAL(sliderMoved(int)),this,SLOT(SetPosition(int)));
connect(Player,SIGNAL(durationChanged(qint64)),this,SLOT(DurationChanged(qint64)));
connect(Player,SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)),this,SLOT(StatusChanged(QMediaPlayer::MediaStatus)));
connect(ui->VolumeSlider,SIGNAL(valueChanged(int)),this,SLOT(SetVolume(int)));
connect(ui->button_start,SIGNAL(released()),this,SLOT(Play()));
connect(ui->button_stop,SIGNAL(released()),this,SLOT(Stop()));
connect(ui->button_next,SIGNAL(released()),this,SLOT(Next()));
connect(ui->button_prev,SIGNAL(released()),this,SLOT(Prev()));
connect(ui->button_add,SIGNAL(released()),this,SLOT(Add()));
connect(ui->button_remove,SIGNAL(released()),this,SLOT(Remove()));
connect(ui->playlist,SIGNAL(doubleClicked(QModelIndex)),this,SLOT(PlaySelected(QModelIndex)));
connect(ui->actionSave,SIGNAL(triggered()),this,SLOT(SavePlayList()));
connect(ui->actionLoad,SIGNAL(triggered()),this,SLOT(OpenPlayList()));
Player->setPlaylist(PlayList);
ui->VolumeSlider->setRange(0,100);
ui->VolumeSlider->setValue(100);
}
// MessageReceived
void
PlaylistPlaybackManager::MessageReceived(BMessage* message)
{
switch (message->what) {
case MSG_PLAYLIST_ITEM_ADDED:
// printf("MSG_PLAYLIST_ITEM_ADDED\n");
break;
case MSG_PLAYLIST_ITEM_REMOVED:
// printf("MSG_PLAYLIST_ITEM_REMOVED\n");
break;
case MSG_PLAYLIST_DURATION_CHANGED:
// printf("MSG_PLAYLIST_DURATION_CHANGED\n");
DurationChanged();
break;
default:
NodeManager::MessageReceived(message);
break;
}
}
// SetPlaylist
void
PlaylistPlaybackManager::SetPlaylist(Playlist* playlist)
{
if (fPlaylist == playlist)
return;
if (fPlaylist)
fPlaylist->RemoveListObserver(&fPlaylistObserver);
fPlaylist = playlist;
if (fVideoSupplier)
fVideoSupplier->SetPlaylist(playlist);
if (fAudioSupplier)
fAudioSupplier->SetPlaylist(playlist);
if (fPlaylist)
fPlaylist->AddListObserver(&fPlaylistObserver);
DurationChanged();
}
void
MediaSourceDecoder::ScheduleDurationChange(double aOldDuration,
double aNewDuration,
MSRangeRemovalAction aAction)
{
if (aAction == MSRangeRemovalAction::SKIP) {
if (NS_IsMainThread()) {
MediaDecoder::DurationChanged();
} else {
nsCOMPtr<nsIRunnable> task =
NS_NewRunnableMethod(this, &MediaDecoder::DurationChanged);
NS_DispatchToMainThread(task);
}
} else {
if (NS_IsMainThread()) {
DurationChanged(aOldDuration, aNewDuration);
} else {
nsCOMPtr<nsIRunnable> task =
new DurationChangedRunnable(this, aOldDuration, aNewDuration);
NS_DispatchToMainThread(task);
}
}
}
