private void onVideoRemoved(VideoControlViewModel vm)
{
if (VideoRemoved != null)
{
VideoRemoved(vm);
}
}
private void addOrRemoveVideoEvent(VideoControlViewModel vm, bool add)
{
if (add)
{
vm.Closed += Video_Closed;
}
else
{
vm.Closed -= Video_Closed;
}
}
private void videoAdded(VideoControlViewModel model)
{
List <VideoControl> vcs = new List <VideoControl>();
foreach (VideoControl vc in gridVideo.Children)
{
vcs.Add(vc);
}
gridVideo.Children.Clear();
vcs.Add(new VideoControl()
{
DataContext = model
});
replaceVideo(vcs);
}
private void videoRemoved(VideoControlViewModel model)
{
List <VideoControl> vcs = new List <VideoControl>();
foreach (VideoControl vc in gridVideo.Children)
{
vcs.Add(vc);
}
gridVideo.Children.Clear();
int index = vcs.FindIndex(vc => vc.ViewModel == model);
if (index >= 0)
{
vcs.RemoveAt(index);
}
replaceVideo(vcs);
}
public void AddToPlay(string videoId, int streamId, string videoName)
{
if (PlaySlider.BeginTime >= PlaySlider.EndTime)
{
DialogUtil.ShowWarning("无效查询时间段。");
return;
}
if (Source == null)
{
DialogUtil.ShowWarning("无效的数据源。");
return;
}
VideoControlViewModel vm = null;
string dictKey = null;
if (Source.SrcType == SourceType.Local)
{
LocalDownloadInfoPacket param = new LocalDownloadInfoPacket(new VideoInfo(videoId, streamId, videoName), Source.LocalSourcePath);
if (!isContained(param.Info))
{
vm = new VideoControlViewModel(param, PlaySlider.BeginTime, PlaySlider.EndTime, _replayProcess);
dictKey = buildKey(param.Info);
}
}
else
{
DownloadInfoParam downloadInfo = new DownloadInfoParam(Source.Storage.Ip, Source.Storage.Port, PlaySlider.BeginTime, PlaySlider.EndTime, videoId, streamId, ConstSettings.CachePath, videoName);
if (!isContained(downloadInfo))
{
vm = new VideoControlViewModel(downloadInfo, _replayProcess);
dictKey = buildKey(downloadInfo);
}
}
if (vm != null && dictKey != null)
{
lock (_videoLockObj)
{
_dictVideoVMS[dictKey] = vm;
}
addOrRemoveVideoEvent(vm, true);
onVideoAdded(vm);
vm.ProgressOffset = PlaySlider.Slider / (double)PlaySlider.SliderMaximum;
}
}
public void Remove(IVideoInfo vInfo)
{
if (isContained(vInfo))
{
string key = buildKey(vInfo);
VideoControlViewModel vm = _dictVideoVMS[key];
addOrRemoveVideoEvent(vm, false);
lock (_videoLockObj)
{
vm.Close();
_dictVideoVMS.Remove(key);
}
if (_dictVideoVMS.Count == 0)
{
Stop();
}
onVideoRemoved(vm);
}
}
private void Video_Closed(object sender, EventArgs e)
{
VideoControlViewModel vm = sender as VideoControlViewModel;
Remove(vm.VideoInfo);
}
