// Also handles (un)subscription to make switching between this and WS easier.
public void callHandler(string data, object callback)
{
Task.Run(() => {
try
{
// Tell the overlay that the page is using the modern API.
receiver.InitModernAPI();
var message = JObject.Parse(data);
if (!message.ContainsKey("call"))
{
PluginMain.Logger.Log(LogLevel.Error, Resources.OverlayApiInvalidHandlerCall, data);
return;
}
var handler = message["call"].ToString();
if (handler == "subscribe")
{
if (!message.ContainsKey("events"))
{
PluginMain.Logger.Log(LogLevel.Error, Resources.OverlayApiMissingEventsField, data);
return;
}
foreach (var name in message["events"].ToList())
{
EventDispatcher.Subscribe(name.ToString(), (IEventReceiver)receiver);
PluginMain.Logger.Log(LogLevel.Debug, Resources.OverlayApiSubscribed, receiver.Name, name.ToString());
}
return;
}
else if (handler == "unsubscribe")
{
if (!message.ContainsKey("events"))
{
PluginMain.Logger.Log(LogLevel.Error, Resources.OverlayApiMissingEventsFieldUnsub, data);
return;
}
foreach (var name in message["events"].ToList())
{
EventDispatcher.Unsubscribe(name.ToString(), (IEventReceiver)receiver);
}
return;
}
var result = EventDispatcher.CallHandler(message);
if (result != null && result.Type != JTokenType.Object)
{
throw new Exception("Handler response must be an object or null");
}
Renderer.ExecuteCallback(callback, result == null ? null : result.ToString(Newtonsoft.Json.Formatting.None));
}
catch (Exception e)
{
PluginMain.Logger.Log(LogLevel.Error, Resources.JsHandlerCallException, e);
}
});
}
// Also handles (un)subscription to make switching between this and WS easier.
public void callHandler(string data, object callback)
{
Task.Run(() => {
try
{
// Tell the overlay that the page is using the modern API.
receiver.InitModernAPI();
var message = JObject.Parse(data);
if (!message.ContainsKey("call"))
{
PluginMain.Logger.Log(LogLevel.Error, $"Received invalid handler call: {data}");
return;
}
var handler = message["call"].ToString();
if (handler == "subscribe")
{
if (!message.ContainsKey("events"))
{
PluginMain.Logger.Log(LogLevel.Error, $"Missing events field in subscribe call: {data}!");
return;
}
foreach (var name in message["events"].ToList())
{
EventDispatcher.Subscribe(name.ToString(), (IEventReceiver)receiver);
PluginMain.Logger.Log(LogLevel.Debug, "{0}: Subscribed to {1}", receiver.Name, name.ToString());
}
return;
}
else if (handler == "unsubscribe")
{
if (!message.ContainsKey("events"))
{
PluginMain.Logger.Log(LogLevel.Error, $"Missing events field in unsubscribe call: {data}!");
return;
}
foreach (var name in message["events"].ToList())
{
EventDispatcher.Unsubscribe(name.ToString(), (IEventReceiver)receiver);
}
return;
}
var result = EventDispatcher.CallHandler(message);
Renderer.ExecuteCallback(callback, result == null ? null : result.ToString(Newtonsoft.Json.Formatting.None));
}
catch (Exception e)
{
PluginMain.Logger.Log(LogLevel.Error, $"JS Handler call failed: {e}");
}
});
}
protected override void OnMessage(MessageEventArgs e)
{
JObject data = null;
try
{
data = JObject.Parse(e.Data);
}
catch (JsonException ex)
{
Log(LogLevel.Error, Resources.WSInvalidDataRecv, ex, e.Data);
return;
}
if (!data.ContainsKey("call"))
{
return;
}
var msgType = data["call"].ToString();
if (msgType == "subscribe")
{
try
{
foreach (var item in data["events"].ToList())
{
EventDispatcher.Subscribe(item.ToString(), this);
}
} catch (Exception ex)
{
Log(LogLevel.Error, Resources.WSNewSubFail, ex);
}
return;
}
else if (msgType == "unsubscribe")
{
try
{
foreach (var item in data["events"].ToList())
{
EventDispatcher.Unsubscribe(item.ToString(), this);
}
} catch (Exception ex)
{
Log(LogLevel.Error, Resources.WSUnsubFail, ex);
}
return;
}
Task.Run(() => {
try
{
var response = EventDispatcher.CallHandler(data);
if (response != null && response.Type != JTokenType.Object)
{
throw new Exception("Handler response must be an object or null");
}
if (response == null)
{
response = new JObject();
response["$isNull"] = true;
}
if (data.ContainsKey("rseq"))
{
response["rseq"] = data["rseq"];
}
Send(response.ToString(Formatting.None));
} catch (Exception ex)
{
Log(LogLevel.Error, Resources.WSHandlerException, ex);
}
});
}
protected override void OnMessage(MessageEventArgs e)
{
JObject data = null;
try
{
data = JObject.Parse(e.Data);
}
catch (JsonException ex)
{
Log(LogLevel.Error, "Invalid data received: {0}; {1}", ex, e.Data);
return;
}
if (!data.ContainsKey("call"))
{
return;
}
var msgType = data["call"].ToString();
if (msgType == "subscribe")
{
try
{
foreach (var item in data["events"].ToList())
{
EventDispatcher.Subscribe(item.ToString(), this);
}
} catch (Exception ex)
{
Log(LogLevel.Error, "Failed to process new subscription: {0}", ex);
}
return;
}
else if (msgType == "unsubscribe")
{
try
{
foreach (var item in data["events"].ToList())
{
EventDispatcher.Unsubscribe(item.ToString(), this);
}
} catch (Exception ex)
{
Log(LogLevel.Error, "Failed to process unsubscription: {0}", ex);
}
return;
}
Task.Run(() => {
try
{
var response = EventDispatcher.CallHandler(data);
if (response == null)
{
response = new JObject();
response["$isNull"] = true;
}
if (data.ContainsKey("rseq"))
{
response["rseq"] = data["rseq"];
}
Send(response.ToString(Formatting.None));
} catch (Exception ex)
{
Log(LogLevel.Error, "WS: Handler call failed: {0}", ex);
}
});
}
