public JavaScriptFunction CreateFunction(JavaScriptCallableFunction hostFunction, string name)
{
if (hostFunction == null)
{
throw new ArgumentNullException(nameof(hostFunction));
}
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
ClaimContext();
var nameVal = Converter.FromString(name);
NativeFunctionThunkData td = new NativeFunctionThunkData()
{
callback = hostFunction, engine = new WeakReference <JavaScriptEngine>(this)
};
GCHandle handle = GCHandle.Alloc(td, GCHandleType.Weak);
nativeFunctionThunks_.Add(td);
JavaScriptValueSafeHandle resultHandle;
Errors.ThrowIfIs(api_.JsCreateNamedFunction(nameVal.handle_, NativeCallbackPtr, GCHandle.ToIntPtr(handle), out resultHandle));
return(CreateObjectFromHandle(resultHandle) as JavaScriptFunction);
}
public void SetGlobalFunction(string functionName, JavaScriptCallableFunction hostFunction)
{
if (hostFunction == null)
{
throw new ArgumentNullException(nameof(hostFunction));
}
GlobalObject.SetPropertyByName(functionName, CreateFunction(hostFunction, functionName));
}
public JavaScriptFunction CreateFunction(JavaScriptCallableFunction hostFunction)
{
if (hostFunction == null)
{
throw new ArgumentNullException(nameof(hostFunction));
}
NativeFunctionThunkData td = new NativeFunctionThunkData()
{
callback = hostFunction, engine = new WeakReference <JavaScriptEngine>(this)
};
GCHandle handle = GCHandle.Alloc(td, GCHandleType.Weak);
nativeFunctionThunks_.Add(td);
JavaScriptValueSafeHandle resultHandle;
Errors.ThrowIfIs(api_.JsCreateFunction(NativeCallbackPtr, GCHandle.ToIntPtr(handle), out resultHandle));
return(CreateObjectFromHandle(resultHandle) as JavaScriptFunction);
}
public void TestMethod1()
{
bool ok = false;
JavaScriptCallableFunction callback = (eng, construct, thisObj, args) =>
{
ok = true;
return(eng.UndefinedValue);
};
using (var rt = new JavaScriptRuntime())
{
rt.MemoryChanging += Rt_MemoryChanging;
using (var eng = rt.CreateEngine())
{
eng.SetGlobalFunction("hitIt", callback);
eng.Execute(new ScriptSource("[eval code]", "hitIt();"));
}
}
Assert.IsTrue(ok);
}
public JavaScriptFunction CreateFunction(JavaScriptCallableFunction hostFunction, string name)
{
if (hostFunction == null)
throw new ArgumentNullException(nameof(hostFunction));
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException(nameof(name));
ClaimContext();
var nameVal = Converter.FromString(name);
NativeFunctionThunkData td = new NativeFunctionThunkData() { callback = hostFunction, engine = new WeakReference<JavaScriptEngine>(this) };
GCHandle handle = GCHandle.Alloc(td, GCHandleType.Weak);
nativeFunctionThunks_.Add(td);
JavaScriptValueSafeHandle resultHandle;
Errors.ThrowIfIs(api_.JsCreateNamedFunction(nameVal.handle_, NativeCallbackPtr, GCHandle.ToIntPtr(handle), out resultHandle));
return CreateObjectFromHandle(resultHandle) as JavaScriptFunction;
}
public void SetGlobalFunction(string functionName, JavaScriptCallableFunction hostFunction)
{
if (hostFunction == null)
throw new ArgumentNullException(nameof(hostFunction));
GlobalObject.SetPropertyByName(functionName, CreateFunction(hostFunction, functionName));
}
