void Playlist::shiftPlaylist()
{
if(!waitingItems->isEmpty())
{
currentItem = waitingItems->takeFirst();
emitCurrentItemChanged();
emitWaitingListChangedSignal();
}
else
{
currentItem = NULL;
emit playlistIsEmpty();
}
}
void MusicPlayer::creatPlaylist()
{
if(playlistIsEmpty())
{
if(newsd.traverseRootSong(spl.songIndex, spl.songTotalNum))
{
for(unsigned char i = 0;i < spl.songTotalNum;i ++)
{
if(_currentSongIndex == spl.songIndex[i]) spl.currentSongNum = i;
else spl.currentSongNum = 0;
}
}
}
else
{
addToNewPlaylist();
}
}
void MusicPlayer::playList()
{
if(!playlistIsEmpty())
{
while(1)
{
playOrPause = 1;
playingState = PS_PLAY;
unsigned int songindex = spl.songIndex[spl.currentSongNum];
playSong(songindex);
switch(playingState)
{
case PS_STOP: playOrPause = 0;GREEN_LED_OFF();return;
case PS_NEXT_SONG: if(_playmode == MODE_SHUFFLE) spl.currentSongNum = random(0,spl.songTotalNum);
else if(spl.currentSongNum == spl.songTotalNum - 1) spl.currentSongNum = 0;
else ++ spl.currentSongNum;
playOrPause = 1;
break;
case PS_PREVIOUS_SONG:if(_playmode == MODE_SHUFFLE) spl.currentSongNum = random(0,spl.songTotalNum);
else if(spl.currentSongNum == 0) spl.currentSongNum = spl.songTotalNum - 1;
else -- spl.currentSongNum;
playOrPause = 1;
break;
default: if(_playmode == MODE_SHUFFLE) spl.currentSongNum = random(0,spl.songTotalNum);
else if(_playmode == MODE_NORMAL)
{
if(spl.currentSongNum == spl.songTotalNum - 1)
{
playingState = PS_STOP;
return;
}
else spl.currentSongNum ++;
}
else if(_playmode == MODE_REPEAT_LIST)
{
if(spl.currentSongNum == spl.songTotalNum - 1) spl.currentSongNum = 0;
else spl.currentSongNum++;
}
break;
}
}
}
}
