/// <summary>
/// This method binds a getter and setter function to a specific field on a JavaScript object.
/// </summary>
/// <param name="name">The name of the field.</param>
/// <param name="getter">The function to invoke when the field is read.</param>
/// <param name="setter">The function to invoke when the field is written to.</param>
public void AddProperty(string name, JavaScriptNativeFunction getter, JavaScriptNativeFunction setter)
{
_scope.Run(() =>
{
var get = _binder.BindFunction(getter);
var set = _binder.BindFunction(setter);
var descriptor = JavaScriptValue.CreateObject();
descriptor.SetProperty(JavaScriptPropertyId.FromString("get"), get, true);
descriptor.SetProperty(JavaScriptPropertyId.FromString("set"), set, true);
_value.DefineProperty(JavaScriptPropertyId.FromString(name), descriptor);
});
}
private static void WireUp(JavaScriptValue constructor, System.Type type, JavaScriptValue prototype)
{
string name = type.ToString();
typeNameToType[name] = type;
// So that we can look up c# types by JS constructors, define a name property containing
// the full name from type.ToString() that we can take off and put back into stringToType.
JavaScriptValue propertyDescriptor = JavaScriptValue.CreateObject();
propertyDescriptor.SetProperty("value", JavaScriptValue.FromString(name));
constructor.DefineProperty("name", propertyDescriptor);
typeNameToPrototype[name] = prototype;
}
public static void DefineGetter(
JavaScriptValue obj,
string keyName,
Func <JavaScriptValue[], JavaScriptValue> callback
)
{
JavaScriptValue descriptor = JavaScriptValue.CreateObject();
descriptor.SetProperty(
"get",
FunctionAllocation.CreateFunction(callback)
);
obj.DefineProperty(
keyName,
descriptor
);
}
void AssignPropertyProc(JavaScriptValue setTo, PropertyInfo[] props)
{
var getpropid = JavaScriptPropertyId.FromString("get");
var setpropid = JavaScriptPropertyId.FromString("set");
foreach (var info in props)
{
if (info.IsSpecialName)
{
continue;
}
var desc = JavaScriptValue.CreateObject();
var id = JavaScriptPropertyId.FromString(info.Name);
var proxy = new PropertyProxy(info);
desc.SetProperty(getpropid, JavaScriptValue.CreateFunction(PropertyProxy.PropertyGetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
desc.SetProperty(setpropid, JavaScriptValue.CreateFunction(PropertyProxy.PropertySetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
setTo.DefineProperty(id, desc);
propertyWrappers.Add(proxy);
}
}
void AssignFieldProc(JavaScriptValue setTo, FieldInfo[] fields)
{
var getpropid = JavaScriptPropertyId.FromString("get");
var setpropid = JavaScriptPropertyId.FromString("set");
foreach (var f in fields)
{
if (f.IsSpecialName)
{
continue;
}
var desc = JavaScriptValue.CreateObject();
var id = JavaScriptPropertyId.FromString(f.Name);
var proxy = new FieldProxy(f);
desc.SetProperty(getpropid, JavaScriptValue.CreateFunction(FieldProxy.FieldGetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
desc.SetProperty(setpropid, JavaScriptValue.CreateFunction(FieldProxy.FieldSetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
setTo.DefineProperty(id, desc);
fieldWrappers.Add(proxy);
}
}
void AssignToObject(JavaScriptValue obj)
{
if (children == null)
{
return;
}
var getpropid = JavaScriptPropertyId.FromString("get");
var setpropid = JavaScriptPropertyId.FromString("set");
foreach (var kv in children)
{
var n = kv.Value;
var t = n.type;
var prop = JavaScriptPropertyId.FromString(n.name);
var desc = JavaScriptValue.CreateObject();
var proxy = new PropertyProxy(n);
propertyProxies.Add(proxy);
desc.SetProperty(getpropid, JavaScriptValue.CreateFunction(PropertyProxy.PropertyGetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
desc.SetProperty(setpropid, JavaScriptValue.CreateFunction(PropertyProxy.PropertySetterDg, GCHandle.ToIntPtr(proxy.thisPtr)), true);
obj.DefineProperty(prop, desc);
}
}
