private Dictionary<string, JSValue> GetBag(JSObject obj)
{
Dictionary<string, JSValue> bag;
if (!properties.TryGetValue (obj.Raw, out bag)) {
properties.Add (obj.Raw, bag = new Dictionary<string, JSValue> ());
}
return bag;
}
public JSValue EvaluateScript(JSString script, JSObject thisObject,
JSString sourceUrl, int startingLineNumber)
{
var exception = IntPtr.Zero;
var result = JSEvaluateScript (Raw, script,
thisObject == null ? IntPtr.Zero : thisObject.Raw,
sourceUrl, startingLineNumber, ref exception);
JSException.Proxy (this, exception);
return new JSValue (this, result);
}
public JSValue EvaluateScript (string script, JSObject thisObject, string sourceUrl, int startingLineNumber)
{
var js_script = JSString.New (script);
var js_source_url = JSString.New (sourceUrl);
try {
return EvaluateScript (js_script, thisObject, js_source_url, startingLineNumber);
} finally {
js_script.Release ();
js_source_url.Release ();
}
}
protected virtual void OnJSInitialize (JSObject obj)
{
}
protected override bool OnJSSetProperty(JSObject obj, string propertyName, JSValue value)
{
GetBag (obj)[propertyName] = value;
return true;
}
protected override bool OnJSHasProperty(JSObject obj, string propertyName)
{
return GetBag (obj).ContainsKey (propertyName);
}
protected override void OnJSGetPropertyNames(JSObject obj, JSPropertyNameAccumulator propertyNames)
{
foreach (var name in GetBag (obj).Keys) {
propertyNames.AddName (name);
}
}
protected override JSValue OnJSGetProperty(JSObject obj, string propertyName)
{
return GetBag (obj)[propertyName];
}
protected override void OnJSFinalize(JSObject obj)
{
properties.Remove (obj.Raw);
}
protected override bool OnJSDeleteProperty(JSObject obj, string propertyName)
{
return GetBag (obj).Remove (propertyName);
}
protected virtual JSObject OnJSCallAsConstructor (JSObject constructor, JSValue [] args)
{
return null;
}
public JSValue EvaluateScript(string script, JSObject thisObject)
{
return EvaluateScript (script, thisObject, null, 0);
}
protected virtual void OnJSGetPropertyNames (JSObject obj, JSPropertyNameAccumulator propertyNames)
{
}
protected virtual bool OnJSDeleteProperty (JSObject obj, string propertyName)
{
return false;
}
protected virtual bool OnJSSetProperty (JSObject obj, string propertyName, JSValue value)
{
return false;
}
protected virtual JSValue OnJSGetProperty (JSObject obj, string propertyName)
{
return JSValue.NewUndefined (obj.Context);
}
protected virtual void OnJSFinalize (JSObject obj)
{
}
public JSValue CallAsFunction (JSObject thisObject, JSValue [] args)
{
var exception = IntPtr.Zero;
var args_native = new IntPtr[args.Length];
for (int i = 0; i < args.Length; i++) {
args_native[i] = args[i].Raw;
}
var result = new JSValue (Context.Raw, JSObjectCallAsFunction (Context.Raw, Raw,
thisObject == null ? IntPtr.Zero : thisObject.Raw, new IntPtr (args.Length),
args_native, ref exception));
JSException.Proxy (Context, exception);
return result;
}
public bool IsInstanceOfConstructor (JSObject constructor)
{
var exception = IntPtr.Zero;
var result = JSValueIsInstanceOfConstructor (Context.Raw, Raw, constructor.Raw, ref exception);
JSException.Proxy (Context, exception);
return result;
}
private IntPtr OnStaticFunctionCallback (IntPtr ctx, IntPtr function, IntPtr thisObject,
IntPtr argumentCount, IntPtr arguments, ref IntPtr exception)
{
var context = new JSContext (ctx);
var fn = new JSObject (ctx, function);
string fn_name = null;
if (fn.HasProperty ("name")) {
var prop = fn.GetProperty ("name");
if (prop != null && prop.IsString) {
fn_name = prop.StringValue;
}
}
MethodInfo method = null;
if (fn_name == null || !static_methods.TryGetValue (fn_name, out method)) {
return JSValue.NewUndefined (context).Raw;
}
var result = method.Invoke (null, new object [] {
fn,
new JSObject (context, thisObject),
JSValue.MarshalArray (ctx, arguments, argumentCount)
});
return result == null
? JSValue.NewUndefined (context).Raw
: ((JSValue)result).Raw;
}
