private string Processor <T>(List <T> source, Func <T, bool> where, Func <T, string> callback)
{
T t = source.Where(where).FirstOrDefault();
if (t == null)
{
return(HttpRequestHandleResultWarpper.WriteResult(false, "Resource not found."));
}
return(callback.Invoke(t));
}
public RuntimeState(EventSubscriptionManager eventSubscriptionManager)
{
HttpRequestHandleManager.Instance.AddHandler("GetLiveAndRecordState", new Func <IDictionary <string, string>, string>((dic) =>
{
return(HttpRequestHandleResultWarpper.WriteResult(true, null, this));
}));
eventSubscriptionManager.Subscribe <LiveAndRecordingOperateEvent, LiveAndRecordingOperateEventContext>(null, LiveAndRecordingOperateEventHandler, null);
eventSubscriptionManager.Subscribe <LoadPresentationCompletedEvent, List <PresentationInfo> >(null, LoadPresentationCompletedEventHandler, null);
eventSubscriptionManager.Subscribe <LoadWarmVideoCompletedEvent, List <PresentationInfo> >(null, LoadWarmVideoCompletedEventHandler, null);
eventSubscriptionManager.Subscribe <LoadCameraDeviceCompletedEvent, List <IVideoDevice> >(null, LoadCameraDeviceCompletedEventHandler, null);
eventSubscriptionManager.Subscribe <SwitchDemonstrationSceneEvent, SwitchDemonstrationSceneContext>(null, SwitchDemonstrationSceneEventHandler, null);
}
public CourseContentsViewModel()
{
HttpRequestHandleManager.Instance.AddHandler("PlayScreenVideo", new Func <IDictionary <string, string>, string>((dic) =>
{
return(Processor(PresentationViewModel.PresentationList,
(item) => item.Presentation.ID == dic["sourceID"],
(resource) =>
{
PresentationViewModel.CurrentSelectedPresentation = resource;
SwitchScene("0");
return HttpRequestHandleResultWarpper.WriteResult(true);
}));
}));
HttpRequestHandleManager.Instance.AddHandler("PlayStreamVideo", new Func <IDictionary <string, string>, string>((dic) =>
{
return(Processor(PresentationViewModel.WarmVideoList,
(item) => item.Presentation.ID == dic["sourceID"],
(resource) =>
{
PresentationViewModel.CurrentSelectedWarmVideo = resource;
SwitchScene("1");
return HttpRequestHandleResultWarpper.WriteResult(true);
}));
}));
HttpRequestHandleManager.Instance.AddHandler("PlayCameraVideo", new Func <IDictionary <string, string>, string>((dic) =>
{
return(Processor(CameraDeviceViewModel.CameraDeviceList,
(item) => item.OwnerVideoDevice.ID == int.Parse(dic["sourceID"]),
(resource) =>
{
CameraDeviceViewModel.CurrentSelectedDevice = resource;
SwitchScene("2");
return HttpRequestHandleResultWarpper.WriteResult(true);
}));
}));
}
private string Processor(Func <Tuple <bool, string> > handler)
{
Tuple <bool, string> result = handler.Invoke();
return(HttpRequestHandleResultWarpper.WriteResult(result.Item1, result.Item2));
}
