public static Task <int> RunAsync(
string[] args,
Func <string[], QCoreApplication, QQmlApplicationEngine, NetRunCallbackDelegate, Task <int> > action)
{
return(Task.FromResult(Run(args, (argsInner, application, engine, callback) =>
{
var result = action(argsInner, application, engine, callback);
bool completed = false;
var task = Task.Run(() =>
{
var exitCode = -1;
try
{
exitCode = result.GetAwaiter().GetResult();
}
finally
{
completed = true;
}
return exitCode;
});
while (!completed)
{
QCoreApplication.ProcessEvents(QEventLoop.ProcessEventsFlag.EventLoopExec |
QEventLoop.ProcessEventsFlag.WaitForMoreEvents);
}
return task.GetAwaiter().GetResult();
})));
}
public static int Run(string[] args, Func <string[], QCoreApplication, QQmlApplicationEngine, NetRunCallbackDelegate, int> action)
{
if (args.Length < 4)
{
throw new Exception("Args is invalid, must contain three entries which are pointers to native types.");
}
var appPtr = new IntPtr((long)ulong.Parse(args[0]));
var enginePtr = new IntPtr((long)ulong.Parse(args[1]));
var callbackPtr = new IntPtr((long)ulong.Parse(args[2]));
var exportedSymbolPtr = new IntPtr((long)ulong.Parse(args[3]));
GetExportedSymbol = Marshal.GetDelegateForFunctionPointer <GetExportedSymbolDelegate>(exportedSymbolPtr);
QCoreApplication app = null;
switch (Interop.QCoreApplication.GetAppType(IntPtr.Zero, appPtr))
{
case 0:
app = new QCoreApplication(appPtr);
break;
case 1:
app = new QGuiApplication(appPtr);
break;
case 2:
app = new QApplication(appPtr);
break;
default:
throw new Exception("Invalid app type");
}
using (app)
{
using (var engine = new QQmlApplicationEngine(enginePtr))
{
var runCallback = new NetRunCallbackDelegate(() =>
{
var callback = Marshal.GetDelegateForFunctionPointer <NativeRunCallbackDelegate>(callbackPtr);
// ReSharper disable AccessToDisposedClosure
return(callback.Invoke(app.InternalPointer, engine.InternalPointer));
// ReSharper restore AccessToDisposedClosure
});
return(action(args.Skip(2).ToArray(), app, engine, runCallback));
}
}
}