private bool ValidatePPSOperate(SoundPlayerStatus targetStatus)
{
if (!this.HandleValid())
{
string operate;
switch (targetStatus)
{
case SoundPlayerStatus.Playing:
operate = "播放";
break;
case SoundPlayerStatus.Paused:
operate = "暂停";
break;
case SoundPlayerStatus.Stoped:
operate = "停止";
break;
default:
throw new NotImplementedException($"未实现的操作状态{targetStatus.ToString()}验证");
}
throw new WavException($"执行{operate}操作失败,未加载音频数据");
}
if (this._status == targetStatus)
{
return(false);
}
return(true);
}
/// <summary>
/// 停止
/// </summary>
public void Stop()
{
if (this.ValidatePPSOperate(SoundPlayerStatus.Stoped))
{
this._status = SoundPlayerStatus.Stoping;
WavHelper.ChannelStop(this._handle);
this._status = SoundPlayerStatus.Stoped;
this.OnPlayStatusChanged();
}
}
/// <summary>
/// 暂停
/// </summary>
public void Pause()
{
if (this.ValidatePPSOperate(SoundPlayerStatus.Paused))
{
this._status = SoundPlayerStatus.Pausing;
WavHelper.ChannelPause(this._handle);
this._status = SoundPlayerStatus.Paused;
this.OnPlayStatusChanged();
}
}
/// <summary>
/// 播放
/// </summary>
public void Play()
{
if (this.ValidatePPSOperate(SoundPlayerStatus.Playing))
{
this._status = SoundPlayerStatus.StartPlaying;
WavHelper.ChannelPlay(this._handle, this.Status == SoundPlayerStatus.Stoped);
this._status = SoundPlayerStatus.Playing;
this.OnPlayStatusChanged();
}
}
