/// <summary>
/// 更换当前播放的音乐
/// </summary>
void ChangeCurrentSong()
{
PlayList pl = null;
PlayerState ps = GetPlayerState();
while (_playListSongs.Count == 0)
{
pl = PlayList.GetPlayList(ps, "p");
if (pl.Count == 0)
{
TakeABreak();
}
else
{
ChangePlayListSongs(pl);
break;
}
}
lock (_playListSongs)
Dispatcher.Invoke(new Action(() => { CurrentSong = _playListSongs.Dequeue(); }));
}
/// <summary>
/// 获取播放列表
/// </summary>
/// <param name="playerState">播放器状态</param>
/// <param name="operationType">操作类型</param>
/// <returns>
/// 播放列表
/// </returns>
internal static PlayList GetPlayList(Player.PlayerState playerState, string operationType)
{
//构造链接
Parameters parameters = new Parameters();
parameters["app_name"] = "radio";
parameters["version"] = "100";
parameters["user_id"] = playerState.CurrentUser.UserID;
parameters["token"] = playerState.CurrentUser.Token;
parameters["expire"] = playerState.CurrentUser.Expire;
parameters["from"] = "mainsite";
parameters["context"] = playerState.CurrentChannel.Context;
parameters["sid"] = playerState.CurrentSong != null ? playerState.CurrentSong.SongId : null;
parameters["channel"] = playerState.CurrentChannel.Id;
parameters["type"] = operationType;
random.NextBytes(bytes);
parameters["r"] = (BitConverter.ToUInt64(bytes, 0) % 0xFFFFFFFFFF).ToString("x10");
if (playerState.CurrentUser.IsPro)
{
string kbps = null;
switch (playerState.CurrentUser.ProRate)
{
case ProRate.Kbps64:
kbps = "64";
break;
case ProRate.Kbps128:
kbps = "128";
break;
case ProRate.Kbps192:
kbps = "192";
break;
default:
break;
}
parameters["kbps"] = kbps;
}
string url = ConnectionBase.ConstructUrlWithParameters(ConfigurationManager.AppSettings["PlayList.BaseUrl"], parameters);
//获取列表
string json = new ConnectionBase().Get(url, @"application/json, text/javascript, */*; q=0.01", @"http://douban.fm");
var jsonPlayList = Json.JsonHelper.FromJson <Json.PlayList>(json);
if (jsonPlayList != null && jsonPlayList.r)
{
RaiseGetPlayListFailedEvent(json);
}
PlayList pl = new PlayList(jsonPlayList);
//将小图更换为大图
foreach (var s in pl)
{
s.Picture = s.Picture.Replace("/mpic/", "/lpic/").Replace("//otho.", "//img3.");
}
//去广告
pl.RemoveAll(s => s.IsAd);
return(pl);
}
void Report(string type, bool changeCurrentSong = true)
{
ThreadPool.QueueUserWorkItem(new WaitCallback((state) =>
{
lock (workLock)
{
if (type == "s")
{
_skipping = true;
}
if (type == "b")
{
_neverring = true;
}
PlayList pl = null;
PlayerState ps = GetPlayerState();
while (true)
{
pl = PlayList.GetPlayList(ps, type);
if ((type == "p" || type == "n") && pl.Count == 0)
{
TakeABreak();
}
else if (type == "e")
{
break;
}
else if (ps.CurrentChannel.IsDj)
{
break;
}
else if (pl.Count == 0)
{
TakeABreak();
}
else
{
break;
}
}
PlayerState ps2 = GetPlayerState();
if (ps.CurrentChannel == ps2.CurrentChannel)
{
if (pl.Count > 0)
{
ChangePlayListSongs(pl);
}
if (changeCurrentSong)
{
ChangeCurrentSong();
}
}
if (type == "s")
{
_skipping = false;
}
if (type == "b")
{
_neverring = false;
}
}
}));
}