public void NotifyElementRemoved(ITrackableJSObject jsObj, string collectionPropName, int position)
{
jsObj.IsTracked.MustBeTrue();
this.ExecuteScriptFunction("CommonAPI.NotifyElementRemoved", new object[]
{
this.EscapeString(jsObj.TrackingCode),
this.EscapeString(collectionPropName),
this.EscapeJSObjectValue(position)
});
}
private string CallJSConstructor(ITrackableJSObject trackable)
{
return(string.Concat(new string[]
{
"(CommonAPI.CreateViewObject(require('",
trackable.ModulePath,
"').",
trackable.ConstructorFunction,
", ",
this.EscapeJSObject(trackable.ToJavascriptObject()),
"))"
}));
}
public void NotifyPropertyChanged(ITrackableJSObject jsObj, string propName, object propValue)
{
if (!jsObj.IsTracked)
{
this.TrackObject(jsObj);
}
this.ExecuteScriptFunction("CommonAPI.NotifyPropertyChanged", new object[]
{
this.EscapeString(jsObj.TrackingCode),
this.EscapeString(propName),
this.EscapeJSObjectValue(propValue)
});
}
public string EscapeJSObject(IJSObject o)
{
ITrackableJSObject trackableJSObject = o as ITrackableJSObject;
if (trackableJSObject != null)
{
if (trackableJSObject.IsTracked)
{
return("CommonAPI.GetTrackedObject(" + JavascriptSerializer.Serialize(trackableJSObject.TrackingCode) + ")");
}
if (trackableJSObject.ConstructorFunction != null)
{
return(this.CallJSConstructor(trackableJSObject));
}
}
return(JavascriptSerializer.Serialize(o.ToJavascriptObject()));
}
public void TrackObject(ITrackableJSObject obj)
{
this.ExecuteScriptFunction("CommonAPI.TrackObject", new object[]
{
this.EscapeJSObject(obj)
});
this.trackedObjects[obj.TrackingCode] = new WeakReference(obj);
obj.IsTracked = true;
int num2;
lock (this)
{
int num = this.trackCounts;
this.trackCounts = num + 1;
num2 = num;
}
if (num2 > TRACKS_BEFORE_GC)
{
this.GC_TrackedObjects();
}
}
public static NotifyCollectionChangedEventHandler CreateOnCollectionChangedHandler(IBindableJSContextProvider jsCtx, ITrackableJSObject jsObj, string collectionPropName)
{
return(delegate(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
jsCtx.NotifyElementAdded(jsObj, collectionPropName, e.NewStartingIndex, e.NewItems[0]);
return;
case NotifyCollectionChangedAction.Remove:
jsCtx.NotifyElementRemoved(jsObj, collectionPropName, e.OldStartingIndex);
return;
case NotifyCollectionChangedAction.Replace:
jsCtx.NotifyElementReplaced(jsObj, collectionPropName, e.OldStartingIndex, e.NewItems[0]);
return;
case NotifyCollectionChangedAction.Move:
jsCtx.NotifyElementMoved(jsObj, collectionPropName, e.OldStartingIndex, e.NewStartingIndex);
return;
case NotifyCollectionChangedAction.Reset:
jsCtx.NotifyPropertyChanged(jsObj, collectionPropName, new IJSObject[0]);
return;
default:
throw new InvalidOperationException("Unexpected type of collection update");
}
});
}
