UNKNOWN_ART = '/dgplayer/resources/fallback_album_art.png';
console.log("走到DGAuroraPlayer1");

function DGAuroraPlayer(player, DGPlayer) {
	console.log("走到DGAuroraPlayer2");
	this.player = player;
	this.ui = DGPlayer;

	DGPlayer.seekTime = 0;
	DGPlayer.duration = 0;
	DGPlayer.bufferProgress = 0;

	var onplay, onpause, onvolume, onformat, onbuffer, onprogress, onduration, onmetadata;

	DGPlayer.on('play', onplay = function() {
		alert()
		console.log(111111111111111111111111111111)
		player.play();
		DGPlayer.state = 'playing';
	});

	DGPlayer.on('pause', onpause = function() {
		console.log(22222222222222)
		player.pause();
		DGPlayer.state = 'paused';
	});

	DGPlayer.on('volume', onvolume = function(value) {
		console.log(1)
		console.log(value)
		player.volume = value;
	});

	player.on('buffer', onbuffer = function(percent) {
		console.log(1)
		DGPlayer.bufferProgress = percent;
	});

	player.on('progress', onprogress = function(time) {
		console.log(1)
		DGPlayer.seekTime = time;
	});

	player.on('duration', onduration = function(duration) {
		console.log(1)
		DGPlayer.duration = duration;
	});

	player.on('metadata', onmetadata = function(data) {
		console.log(1)
		DGPlayer.songTitle = data.title;
		DGPlayer.songArtist = data.artist;

		if (data.coverArt) {
			DGPlayer.coverArt = data.coverArt.toBlobURL();
		} else {
			DGPlayer.coverArt = UNKNOWN_ART;
		}
	});

	var originalDescription = DGPlayer.fileDescription;
	player.on('error', onerror = function(e) {
		// reset state
		DGPlayer.state = 'paused';
		DGPlayer.duration = 0;
		DGPlayer.bufferProgress = 0;
		DGPlayer.seekTime = 0;
		DGPlayer.coverArt = UNKNOWN_ART;
		DGPlayer.songTitle = 'Unknown Title';
		DGPlayer.songArtist = 'Unknown Artist';

		DGPlayer.fileDescription = "Hmm. I don't recognize that format. Try another.";
		setTimeout(function() {
			console.log(1)
			DGPlayer.fileDescription = originalDescription;
		}, 3000);
	});

	player.volume = DGPlayer.volume;
	player.play();
	DGPlayer.state = 'playing';

	this.disconnect = function() {
		if (player) player.stop();

		DGPlayer.off('play', onplay);
		DGPlayer.off('pause', onpause);
		DGPlayer.off('volume', onvolume);
		player.off('buffer', onbuffer);
		player.off('format', onformat);
		player.off('progress', onprogress);
		player.off('duration', onduration);
		player.off('metadata', onmetadata);
	}
}