public void SeekBySeconds(int seconds)
{
TimeSpan newPosition;
if (seconds > 0)
{
TimeSpan addSeconds = new TimeSpan(0, 0, seconds);
newPosition = MediaPlayer.Position.Add(addSeconds);
}
else
{
TimeSpan subtractSeconds = new TimeSpan(0, 0, (seconds * -1)); //make it a positive number again
newPosition = MediaPlayer.Position.Subtract(subtractSeconds);
}
Duration duration = MediaPlayer.NaturalDuration;
if ((duration.HasTimeSpan && newPosition < duration.TimeSpan) && newPosition > TimeSpan.Zero)
{
MediaPlayer.Position = newPosition;
if (MediaPlayer.Markers.Count > 0)
{
var currentEndTimeMaker = MediaPlayer.Markers[0].Time;
if (newPosition > currentEndTimeMaker)
{
MediaPlayer.Markers.Clear();
MainUI.SliderControl.HasSeekedBeyondEnd = true;
}
}
else
{
MainUI.SliderControl.HasSeekedBeyondEnd = false;
}
var seekEvent = new Event
{
Name = "Seek",
EventArgs = new List<EventArg>() { { new EventArg() { Name = "NewPosition", Value = newPosition.ToString() } } }
};
MainUI.Controller.SendEvent(seekEvent);
}
}
private void HandleGetSourceAndPositionCallback(Event callback)
{
if (callback.EventArgs != null && callback.EventArgs.ContainsKey("CallbackId")
&& callback.EventArgs.ContainsKey("Position") && callback.EventArgs.ContainsKey("Source")
&& callback.EventArgs.ContainsKey("NodeId"))
{
string callbackId = callback.EventArgs["CallbackId"];
string source = callback.EventArgs["Source"];
string nodeId = callback.EventArgs["NodeId"];
switch (callbackId)
{
case "StartPosition":
TimeSpan startPosition = TimeSpan.Parse(callback.EventArgs["Position"]);
SaveMediaInformation(nodeId, source, callbackId, startPosition);
break;
case "EndPosition":
TimeSpan endPosition = TimeSpan.Parse(callback.EventArgs["Position"]);
SaveMediaInformation(nodeId, source, callbackId, endPosition);
break;
default:
break;
}
}
}
private void HandleReplayingLastNodeEvent(Event receivedEvent)
{
//if (ViewManager != null && ViewManager.CurrentView != null && ViewManager.CurrentView.NodeRenderers != null
// && receivedEvent.EventArgs != null && receivedEvent.EventArgs.ContainsKey("NodeId"))
//{
// Guid nodeId = Guid.Empty;
// if (Guid.TryParse(receivedEvent.EventArgs["NodeId"], out nodeId))
// {
// NodeRenderer playingNode = ViewManager.CurrentView.NodeRenderers[nodeId];
// {
// playingNode.SetIsPlaying(true);
// playingNode.ResetMediaIcon(true);
// }
// }
//}
}
private void HandleSeekEvent(Event receivedEvent)
{
//if (receivedEvent.EventArgs != null && receivedEvent.EventArgs.ContainsKey("NewPosition"))
//{
// if (ViewManager != null && ViewManager.CurrentView != null && ViewManager.CurrentView.NodeRenderers != null)
// {
// TimeSpan newPosition = TimeSpan.MinValue;
// if (TimeSpan.TryParse(receivedEvent.EventArgs["NewPosition"], out newPosition))
// {
// foreach (NodeRenderer nodeRenderer in ViewManager.CurrentView.NodeRenderers.Values)
// {
// if (nodeRenderer.ResetMediaIcon(newPosition))
// {
// break;
// }
// }
// }
// }
//}
}
private void HandledCurrentStateChanged(Event receivedEvent)
{
if (!HasVideo)
{
HasVideo = true;
}
if (receivedEvent.EventArgs != null && receivedEvent.ContainsEventArg("State"))
{
string state = receivedEvent.GetEventArgValue("State");
if (receivedEvent.ContainsEventArg("NodeId"))
{
string viewModelIdAsString = receivedEvent.GetEventArgValue("NodeId");
if (!string.IsNullOrEmpty(state) && !string.IsNullOrEmpty(viewModelIdAsString))
{
var neutralisedState = state.ToLower();
var viewModelId = new Guid(viewModelIdAsString);
if (ViewModels.ContainsKey(viewModelId))
{
VideoInfo viewModelVideoInfo = ViewModels[viewModelId];
switch (neutralisedState)
{
case "idle":
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Pause;
break;
case "playing":
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Playing;
break;
case "buffering":
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Playing;
break;
}
}
}
}
}
}
private void HandleGetPlayingStateCallback(Event callback)
{
if (callback.EventArgs != null && callback.ContainsEventArg("CallbackId")
&& callback.ContainsEventArg("State") && callback.ContainsEventArg("NodeId"))
{
var callbackId = callback.GetEventArgValue("CallbackId");
var state = callback.GetEventArgValue("State");
var viewModelIdAsString = callback.GetEventArgValue("NodeId");
if (!string.IsNullOrEmpty(viewModelIdAsString))
{
var viewModelId = new Guid(viewModelIdAsString);
foreach (var viewModelVideoInfo in ViewModels.Values)
{
if (viewModelVideoInfo.Id == viewModelId)
{
if (state == "Playing" || state == "Buffering")
{
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Playing;
}
else
{
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Pause;
}
}
else
{
if (viewModelVideoInfo.HasVideo)
{
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Pause;
}
}
}
}
}
}
private void HandleSeekEvent(Event receivedEvent)
{
if (receivedEvent.EventArgs != null && receivedEvent.ContainsEventArg("NewPosition"))
{
if (ViewManager != null && ViewManager.CurrentView != null && ViewManager.CurrentView.NodeRenderers != null)
{
TimeSpan newPosition = TimeSpan.MinValue;
if (TimeSpan.TryParse(receivedEvent.GetEventArgValue("NewPosition"), out newPosition))
{
foreach (NodeRenderer nodeRenderer in ViewManager.CurrentView.NodeRenderers.Values)
{
if (nodeRenderer.ResetMediaIcon(newPosition))
{
break;
}
}
}
}
}
}
private void HandleGetPlayingStateCallback(Event callback)
{
if (callback.EventArgs != null && callback.ContainsEventArg("CallbackId")
&& callback.ContainsEventArg("State") && callback.ContainsEventArg("NodeId"))
{
string callbackId = callback.GetEventArgValue("CallbackId");
string state = callback.GetEventArgValue("State");
string currentlyPlayingNodeId = callback.GetEventArgValue("NodeId");
if (ViewManager != null && ViewManager.CurrentView != null)
{
if (callbackId == Navigator.FocalNodeId.ToString()) //the request was made for this map refresh
{
if (state == "Playing" || state == "Buffering")
{
foreach (NodeRenderer nodeRenderer in ViewManager.CurrentView.NodeRenderers.Values)
{
if (nodeRenderer.Node.Id.ToString() == currentlyPlayingNodeId)
{
nodeRenderer.SetIsPlaying(true);
nodeRenderer.ResetMediaIcon(true);
break;
}
}
}
}
}
}
}
private void MediaPlayer_MarkerReached(object sender, TimelineMarkerRoutedEventArgs e)
{
if (e.Marker.Type == "EndTimeCode")
{
MediaPlayer.Pause();
SeekToMediaPosition(CurrentNode.StartTimeCodeProvided
? CurrentNode.StartTime
: TimeSpan.Parse("00:00:00"));
MediaPlayer_CurrentStateChanged(sender, new RoutedEventArgs());
MainUI.PlayControl.StopState();
}
var markerEvent = new Event
{
Name = "TimelineMarkerEvent",
EventArgs = new List<EventArg>
{
{new EventArg() { Name="Text", Value=e.Marker.Text}},
{new EventArg() { Name="Time", Value=e.Marker.Time.TotalSeconds.ToString(CultureInfo.InvariantCulture)}},
{new EventArg() { Name="Type", Value=e.Marker.Type}}
}
};
MainUI.Controller.SendEvent(markerEvent);
//CurrentNode.PlayingTime = new TimeSpan();
}
private void MediaPlayer_CurrentStateChanged(object sender, RoutedEventArgs e)
{
if (CurrentNode != null && CurrentNode.CurrentState != null && CurrentNode.CurrentState.GetState() != MediaPlayer.CurrentState)
{
var stateChangeEvent = new Event
{
Name = "CurrentStateChanged",
EventArgs = new List<EventArg>()
};
if (CurrentNode != null)
{
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "NodeId", Value = CurrentNode.NodeId.ToString() });
}
if (CurrentNode != null && CurrentNode.CurrentState != null)
{
CurrentNode.CurrentState.SetState(MediaPlayer.CurrentState);
}
switch (MediaPlayer.CurrentState)
{
case MediaElementState.Playing:
if (MediaPlayer.Markers.Count == 0 && CurrentNode.EndTimeCodeProvided)
{
MediaPlayer.Markers.Add(new TimelineMarker
{
Time = CurrentNode.EndTime,
Text = "EndTimeCode",
Type = "EndTimeCode"
});
}
MainUI.LoadingPanel.Close();
MainUI.SliderControl.StartTimer();
MainUI.PlayControl.PlayState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value = "Playing" });
break;
case MediaElementState.Buffering:
MainUI.LoadingPanel.Show();
MainUI.PlayControl.PlayState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value ="Buffering"});
break;
case MediaElementState.Opening:
MainUI.LoadingPanel.Show();
MainUI.PlayControl.PlayState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value ="Playing"});
break;
case MediaElementState.Closed:
MainUI.LoadingPanel.Close();
MainUI.PlayControl.StopState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value ="Idle"});
break;
case MediaElementState.Stopped:
MainUI.LoadingPanel.Close();
MainUI.PlayControl.StopState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value ="Idle"});
break;
case MediaElementState.Paused:
MainUI.LoadingPanel.Close();
MainUI.PlayControl.StopState();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value = "Idle"});
break;
default:
MainUI.LoadingPanel.Close();
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value = "Idle" });
MainUI.SliderControl.StopTimer();
MainUI.PlayControl.StopState();
break;
}
MainUI.Controller.SendEvent(stateChangeEvent);
}
}
private void MediaPlayer_MediaEnded(object sender, RoutedEventArgs e)
{
var mediaEndedEvent = new Event { Name = "CurrentStateChanged", EventArgs = new List<EventArg>() };
mediaEndedEvent.EventArgs.Add(new EventArg() { Name = "State", Value = "Idle" });
if (CurrentNode != null)
{
mediaEndedEvent.EventArgs.Add(new EventArg() { Name = "NodeId", Value = CurrentNode.NodeId.ToString() });
}
MainUI.Controller.SendEvent(mediaEndedEvent);
MainUI.PlayControl.StopState();
SetMediaPlayToStart();
}
private void MediaPlayer_MediaFailed(object sender, ExceptionRoutedEventArgs e)
{
MainUI.LoadingPanel.Close();
MainUI.ErrorPanel.Visibility = Visibility.Visible;
MediaPlayer.Visibility = Visibility.Collapsed;
MediaPlayer.Source = null;
var mediaFailedEvent = new Event
{
Name = "MediaFailedEvent",
EventArgs = new List<EventArg> { {new EventArg() { Name = "ErrorExplanation", Value = e.ErrorException.Message} } }
};
MainUI.Controller.SendEvent(mediaFailedEvent);
}
private void MediaPlayer_MediaOpened(object sender, RoutedEventArgs e)
{
MediaPlayer.Markers.Clear();
MainUI.SliderControl.Maximum = MediaPlayer.NaturalDuration.TimeSpan.TotalMilliseconds;
var mediaOpenedEvent = new Event
{
Name = "MediaOpened",
EventArgs = new List<EventArg> { { new EventArg() { Name = "Source", Value = MediaPlayer.Source.ToString()} } }
};
MainUI.Controller.SendEvent(mediaOpenedEvent);
if (CurrentNode != null && CurrentNode.StartTimeCodeProvided)
{
SeekToMediaPosition(CurrentNode.StartTime);
if (MediaPlayer.Markers.Count == 0 && CurrentNode.EndTimeCodeProvided)
{
MediaPlayer.Markers.Add(new TimelineMarker
{
Time = CurrentNode.EndTime,
Text = "EndTimeCode",
Type = "EndTimeCode"
});
}
}
if(MediaPlayer.CurrentState == MediaElementState.Playing || MediaPlayer.CurrentState == MediaElementState.Paused)
MainUI.LoadingPanel.Close();
}
private void VideoNodesControllerOnNodeChanged(object sender, NodeChangedEventArgs e)
{
var stateChangeEvent = new Event
{
Name = "CurrentStateChanged",
EventArgs = new List<EventArg>()
};
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "NodeId", Value = string.Format("{0}", e.Old) });
stateChangeEvent.EventArgs.Add(new EventArg() { Name = "State", Value = "Idle" });
MainUI.Controller.SendEvent(stateChangeEvent);
}
public void SeekToMediaPosition(TimeSpan position)
{
MediaPlayer.Position = position;
//if (CurrentNode != null)
//{
// CurrentNode.PlayingTime = position;
//}
if (MediaPlayer.Markers.Count > 0)
{
var currentEndTimeMarker = MediaPlayer.Markers[0].Time; //get the end time marker
if (position > currentEndTimeMarker) //have seeked beyond the marker
{
MediaPlayer.Markers.Clear();
MainUI.SliderControl.HasSeekedBeyondEnd = true;
}
}
else
{
MainUI.SliderControl.HasSeekedBeyondEnd = false;
}
var seekEvent = new Event
{
Name = "Seek",
EventArgs = new List<EventArg>() { { new EventArg() { Name = "NewPosition", Value = position.ToString()} } }
};
MainUI.Controller.SendEvent(seekEvent);
}
private void HandleGetPlayingStateCallback(Event e)
{
if (e.EventArgs != null && e.ContainsEventArg("State") && e.ContainsEventArg("NodeId"))
{
if (NodeProxy.Id.ToString() == e.GetEventArgValue("NodeId"))
{
switch (e.GetEventArgValue("State"))
{
case "Playing":
pauseVideoMenuItem.IsEnabled = true;
break;
case "Paused":
pauseVideoMenuItem.IsEnabled = false;
break;
default:
pauseVideoMenuItem.IsEnabled = false;
break;
}
}
}
}
private void HandleGetSourceAndPositionCallback(Event callback)
{
if (callback.EventArgs != null && callback.ContainsEventArg("CallbackId")
&& callback.ContainsEventArg("Position") && callback.ContainsEventArg("Source")
&& callback.ContainsEventArg("NodeId"))
{
string callbackId = callback.GetEventArgValue("CallbackId");
string source = callback.GetEventArgValue("Source");
source = HttpUtility.UrlDecode(source);
string viewModelIdAsString = callback.GetEventArgValue("NodeId");
if (!string.IsNullOrEmpty(viewModelIdAsString) && !string.IsNullOrEmpty(source))
{
var chain = new TransactionChain();
var viewModelId = new Guid(viewModelIdAsString);
var viewModelVideoInfo = ViewModels[viewModelId];
switch (callbackId)
{
case "StartPosition":
{
TimeSpan startPosition = TimeSpan.Parse(callback.GetEventArgValue("Position"));
// Just add a temporary end position so that the entry doesn't end up in a bad state.
ViewModel.IMetadata startPositionMetadata = viewModelVideoInfo.Context.Metadata["Video.StartPosition"];
if (startPositionMetadata != null)
{
startPositionMetadata.SetValue(startPosition.ToString(), ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata["Video.StartPosition"] = startPosition.ToString();
}
else
{
viewModelVideoInfo.Context.Metadata.Add("Video.StartPosition", startPosition.ToString(), ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata.Add("Video.StartPosition", startPosition.ToString());
}
ViewModel.IMetadata endPositionMetadata = viewModelVideoInfo.Context.Metadata["Video.EndPosition"];
if (endPositionMetadata != null)
{
endPositionMetadata.SetValue("", ref chain);
}
else
{
viewModelVideoInfo.Context.Metadata.Add("Video.EndPosition", "", ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata.Add("Video.EndPosition", "");
}
viewModelVideoInfo.HasVideo = true;
viewModelVideoInfo.StartPosition = startPosition;
viewModelVideoInfo.StopPosition = null;
break;
}
case "EndPosition":
{
TimeSpan endPosition = TimeSpan.Parse(callback.GetEventArgValue("Position"));
ViewModel.IMetadata endPositionMetadata = viewModelVideoInfo.Context.Metadata["Video.EndPosition"];
if (endPositionMetadata != null)
{
endPositionMetadata.SetValue("", ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata["Video.EndPosition"] = endPosition.ToString();
}
else
{
viewModelVideoInfo.Context.Metadata.Add("Video.EndPosition", "", ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata.Add("Video.EndPosition", endPosition.ToString());
}
viewModelVideoInfo.Context.Metadata.Add(null, null, "Video.EndPosition", endPosition.ToString(), ref chain);
viewModelVideoInfo.StopPosition = endPosition;
viewModelVideoInfo.HasVideo = true;
break;
}
}
ViewModel.IMetadata videoSourceMetadata = viewModelVideoInfo.Context.Metadata["Video.Source"];
if (videoSourceMetadata != null)
{
videoSourceMetadata.SetValue(source, ref chain);
((SuperGraph.ViewModel.Node) viewModelVideoInfo.Context).NodeProperties.UIMetadata[
"Video.Source"] = source;
}
else
{
viewModelVideoInfo.Context.Metadata.Add(null, null, "Video.Source", source, ref chain);
((SuperGraph.ViewModel.Node)viewModelVideoInfo.Context).NodeProperties.UIMetadata.Add("Video.Source", source);
}
viewModelVideoInfo.VideoSource = source;
viewModelVideoInfo.Context.Proxy.MapManager.ExecuteTransaction(chain);
}
}
}
private void HandledCurrentStateChanged(Event receivedEvent)
{
if (receivedEvent.EventArgs != null && receivedEvent.ContainsEventArg("State"))
{
string state = receivedEvent.GetEventArgValue("State");
Guid nodeId = Guid.Empty;
if (receivedEvent.ContainsEventArg("NodeId"))
{
Guid.TryParse(receivedEvent.GetEventArgValue("NodeId"), out nodeId);
}
if (!string.IsNullOrEmpty(state) && state.ToLower() == "idle")
{
ResetNodeRendererMediaIcon(nodeId, false);
}
else if (!string.IsNullOrEmpty(state) && state.ToLower() == "playing")
{
ResetNodeRendererMediaIcon(nodeId, true);
}
else if (!string.IsNullOrEmpty(state) && state.ToLower() == "buffering")
{
ResetNodeRendererMediaIcon(nodeId, true);
}
}
}
private void HandlePlayerDisposedEvent(Event disposedEvent)
{
_cachedCommand = null;
_playerInitialised = false;
if (disposedEvent.EventArgs != null && disposedEvent.ContainsEventArg("NodeId"))
{
string viewModelIdAsString = disposedEvent.GetEventArgValue("NodeId");
var viewModelId = new Guid(viewModelIdAsString);
if (ViewModels.ContainsKey(viewModelId))
{
VideoInfo viewModelVideoInfo = ViewModels[viewModelId];
_isChangedByController = true;
viewModelVideoInfo.Status = VideoState.Pause;
}
}
}
private void HandleReplayingLastNodeEvent(Event receivedEvent)
{
if (ViewManager != null && ViewManager.CurrentView != null && ViewManager.CurrentView.NodeRenderers != null
&& receivedEvent.EventArgs != null && receivedEvent.ContainsEventArg("NodeId"))
{
Guid nodeId = Guid.Empty;
if (Guid.TryParse(receivedEvent.GetEventArgValue("NodeId"), out nodeId))
{
NodeRenderer playingNode = ViewManager.CurrentView.NodeRenderers[nodeId];
{
playingNode.SetIsPlaying(true);
playingNode.ResetMediaIcon(true);
}
}
}
}
public void Send(Event e)
{
Utilities.SendMessage(_sender, e);
}
