public ScriptEventResult Execute()
{
if (_returnType == ReturnType.Unsupported)
{
//Can't use anything that's not void: SciterValue, Task<void> or Task<SciterValue>
return(ScriptEventResult.Failed());
}
if (_methodInfo != null)
{
var parameters = BuildParameters();
{
try
{
if (_isWrappedCallback && _isAwaitable)
{
((Task)_methodInfo.Invoke(_owner, parameters))?.ContinueWith(
task =>
{
if (task.IsFaulted)
{
return;
}
if (!task.GetType().IsGenericType)
{
return;
}
_callbackValue?.Invoke((task as Task <SciterValue>)?.Result ?? SciterValue.Null, SciterValue.Null);
});
return(ScriptEventResult.Successful());
}
var ret = _methodInfo.Invoke(_owner, parameters);
// Awaitable Tasks should return Successful immediately, don't block the main Thread waiting for completion!
if (_isAwaitable)
{
return(ScriptEventResult.Successful());
}
var value = (ret as SciterValue) ?? SciterValue.Null;
return(ScriptEventResult.Successful(value));
}
catch (TargetInvocationException e)
{
return(ExceptionCallbackResult(e.InnerException ?? e));
}
catch (Exception e)
{
return(ExceptionCallbackResult(e));
}
}
}
// not handled
return(ScriptEventResult.Failed());
}
public async Task CallMeBack(SciterElement element, SciterValue value, SciterValue onProgress, SciterValue onCompleted)
{
_callMeBackResetEvent = new ManualResetEventSlim(false);
for (var i = 0; i < 201; i++)
{
if (_callMeBackResetEvent.IsSet)
{
break;
}
//Simulates a delay
await Task.Delay(10);
onProgress.Invoke(SciterValue.Create(i), SciterValue.Create(i / 200d * 100));
}
onCompleted.Invoke(SciterValue.Create($"You have {(!_callMeBackResetEvent.IsSet ? "successfully completed" : "cancelled")} your task!"), SciterValue.Create(!_callMeBackResetEvent.IsSet));
}
public Task StackTrace(SciterElement element, SciterValue onCompleted)
{
var stackTrace = new StackTrace(true);
var stackFrame = stackTrace.GetFrame(0);
var value = SciterValue.Create(
new
{
MethodName = stackFrame?.GetMethod()?.Name,
Parameters = stackFrame?.GetMethod()?.GetParameters().Select(s => new { s.Name, s.Position, Type = s.ParameterType.Name }),
FileUri = new Uri(stackFrame?.GetFileName() ?? string.Empty).AbsoluteUri,
FileName = Path.GetFileName(stackFrame?.GetFileName()),
LineNumber = stackFrame?.GetFileLineNumber(),
ColumnNumber = stackFrame?.GetFileColumnNumber()
});
onCompleted.Invoke(value);
return(Task.CompletedTask);
}
public Task GetRuntimeInfo(SciterElement element, SciterValue onCompleted, SciterValue onError)
{
try
{
var value = SciterValue.Create(
new {
FrameworkDescription = System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription,
ProcessArchitecture = System.Runtime.InteropServices.RuntimeInformation.ProcessArchitecture.ToString(),
OSArchitecture = System.Runtime.InteropServices.RuntimeInformation.OSArchitecture.ToString(),
OSDescription = System.Runtime.InteropServices.RuntimeInformation.OSDescription,
SystemVersion = System.Runtime.InteropServices.RuntimeEnvironment.GetSystemVersion()
});
onCompleted.Invoke(value);
}
catch (Exception e)
{
onError.Invoke(SciterValue.MakeError(e.Message));
}
return(Task.CompletedTask);
}
/// A dynamic script call handler. Any call in TIScript to function 'view.Host_HelloSciter()' with invoke this method
/// Notice that signature of these handlers is always the same
/// (Hint: install OmniCode snippets which adds the 'ssh' snippet to C# editor so you can easily declare 'Siter Handler' methods)
/// (see: https://github.com/MISoftware/OmniCode-Snippets)
public Task HelloSciterCore(SciterElement element, SciterValue onCompleted)
{
var stackTrace = new StackTrace(true);
var stackFrame = stackTrace.GetFrame(0);
var value = SciterValue.Create(System.Text.Json.JsonSerializer.Serialize(new
{
MethodName = stackFrame?.GetMethod()?.Name,
FileUri = new Uri(stackFrame?.GetFileName() ?? "file://<unknown>")?.AbsoluteUri,
FileName = Path.GetFileName(stackFrame?.GetFileName()),
LineNumber = stackFrame?.GetFileLineNumber(),
ColumnNumber = stackFrame?.GetFileColumnNumber()
}, options: new JsonSerializerOptions()
{
WriteIndented = true
}));
//value = SciterValue.Create($"<h2>Hello Sciter from C# in .Net Core!</h2><code>Method: {stackFrame?.GetMethod()?.Name}<br/>File: <a href=\"{new Uri(stackFrame?.GetFileName())?.AbsoluteUri}\">{Path.GetFileName(stackFrame?.GetFileName())}</a><br/>Line: {stackFrame?.GetFileLineNumber()}<br/>Column: {stackFrame?.GetFileColumnNumber()}</code>");
onCompleted.Invoke(value);
return(Task.CompletedTask);
}
public void GetDotNetVersion(SciterElement element, SciterValue onCompleted)
{
var value = SciterValue.Create(RuntimeInformation.FrameworkDescription);
onCompleted.Invoke(value);
}
