private TiResponse removeEventListener(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"addEventListener\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"addEventListener\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("name"))
{
throw new ReflectionException("\"addEventListener\" request missing \"name\" param");
}
string eventName = (string)data["name"];
var eventInfo = instance.GetType().GetEvent(eventName);
Delegate handler = InstanceRegistry.getDelegate(handle + "." + eventName);
if (handler != null)
{
eventInfo.RemoveEventHandler(instance, handler);
InstanceRegistry.removeDelegate(handle + "." + eventName);
}
return(null);
}
private TiResponse addEventListener(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"addEventListener\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"addEventListener\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("name"))
{
throw new ReflectionException("\"addEventListener\" request missing \"name\" param");
}
string eventName = (string)data["name"];
var eventInfo = instance.GetType().GetEvent(eventName);
// create an array of parameters based on the event info
var parameters = eventInfo.EventHandlerType.GetMethod("Invoke").GetParameters().
Select((p, i) => Expression.Parameter(p.ParameterType, "p" + i)).ToArray();
// construct a new array of parameters to the method we are actually going to call
// need to pass in extra information so the Proxy knows which callback to fire
Expression[] pass = new Expression[5];
parameters.CopyTo(pass, 0);
pass[2] = Expression.Constant(eventInfo.Name);
pass[3] = Expression.Constant(handle);
pass[4] = Expression.Constant(InstanceRegistry.getInstance("browser"));
// Get method info of the handler we want to call
MethodInfo methodInfo = this.GetType().GetMethod("eventHandler", BindingFlags.NonPublic | BindingFlags.Instance);
MethodCallExpression methodCall = Expression.Call(Expression.Constant(this), methodInfo, pass);
// Construct a delegate using a lambda expression
// (Object, EventArgs) => dummyHandler(Object, EventArgs, String, String, WebBrowser)
var lambda = Expression.Lambda(
eventInfo.EventHandlerType,
methodCall,
parameters
).Compile();
// Hook the event to the delegate
eventInfo.AddEventHandler(instance, lambda);
// Store the delegate to remove it later
InstanceRegistry.addDelegate(handle + "." + eventName, lambda);
return(null);
}
private TiResponse destroy(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"invokeMethod\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"invokeMethod\" request invalid handle \"" + handle + "\"");
}
// remove from parent view
var propertyInfo = instance.GetType().GetProperty("Parent");
if (propertyInfo != null)
{
var parent = propertyInfo.GetValue(instance);
if (parent != null)
{
propertyInfo = parent.GetType().GetProperty("Children");
if (propertyInfo != null)
{
var children = propertyInfo.GetValue(parent);
var remove = children.GetType().GetMethod("Remove");
remove.Invoke(children, new object[] { instance });
}
}
}
// call Dispose method
var dispose = instance.GetType().GetMethod("Dispose");
if (dispose != null)
{
dispose.Invoke(instance, null);
}
// call Finalize method
var finalize = instance.GetType().GetMethod("Finalize");
if (finalize != null)
{
finalize.Invoke(instance, null);
}
// remove global reference
InstanceRegistry.removeInstance(handle);
return(null);
}
private TiResponse property(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"property\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"property\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("name"))
{
throw new ReflectionException("\"property\" request missing \"name\" param");
}
var obj = data["name"];
if (obj == null)
{
throw new ReflectionException("\"property\" request \"name\" is null");
}
Type instanceType = instance.GetType();
Type propType = instanceType.GetType();
TiResponse response = new TiResponse();
response["value"] = null;
switch (obj.GetType().ToString())
{
case "Newtonsoft.Json.Linq.JArray":
{
// get multiple props
JArray arr = (JArray)obj;
Dictionary <string, TiResponse> value = new Dictionary <string, TiResponse>();
for (var i = 0; i < arr.Count; i++)
{
string propName = arr[i].ToString();
var propertyInfo = instanceType.GetProperty(propName);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + propName + "\"");
}
object val = propertyInfo.GetValue(instance);
value[propName] = InstanceRegistry.createReturnType(val);
}
response["value"] = value;
return(response);
}
case "Newtonsoft.Json.Linq.JObject":
{
// set multiple props
JObject props = (JObject)obj;
foreach (JProperty prop in props.Properties())
{
var propertyInfo = instanceType.GetProperty(prop.Name);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + prop.Name + "\"");
}
JObject value = (JObject)prop.Value;
if (value["valueHnd"] != null)
{
propertyInfo.SetValue(instance, InstanceRegistry.getInstance((string)value["valueHnd"]));
}
else if (value["valuePrimitive"] != null)
{
var valuePrimitive = value["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri))
{
propertyInfo.SetValue(instance, Convert.ChangeType(new Uri(valuePrimitive.ToObject <string>(), UriKind.RelativeOrAbsolute), propertyInfo.PropertyType));
}
else
{
propertyInfo.SetValue(instance, valuePrimitive.ToObject(propertyInfo.PropertyType));
}
}
}
return(null);
}
case "System.String":
{
string name = (string)obj;
var propertyInfo = instanceType.GetProperty(name);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + name + "\"");
}
// setting a single prop
if (data.ContainsKey("valueHnd") && data["valueHnd"] != null)
{
propertyInfo.SetValue(instance, InstanceRegistry.getInstance((string)data["valueHnd"]));
return(null);
}
else if (data.ContainsKey("valuePrimitive"))
{
var valuePrimitive = data["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri))
{
valuePrimitive = new Uri((string)valuePrimitive, UriKind.RelativeOrAbsolute);
}
propertyInfo.SetValue(instance, Convert.ChangeType(valuePrimitive, propertyInfo.PropertyType));
return(null);
}
// getting a single prop
object val = propertyInfo.GetValue(instance);
return(InstanceRegistry.createReturnType(val));
}
}
return(null);
}
private TiResponse invokeStaticAsync(TiRequestParams data)
{
if (!data.ContainsKey("className"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"className\" param");
}
string className = (string)data["className"];
var classType = InstanceRegistry.lookupType(className);
if (classType == null)
{
throw new ReflectionException("\"invokeStatic\" request invalid classname \"" + className + "\"");
}
if (!data.ContainsKey("method"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"method\" param");
}
if (!data.ContainsKey("args"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0)
{
throw new ReflectionException("\"invokeStatic\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] fnArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++)
{
fnArgumentTypes[j] = InstanceRegistry.lookupType((string)args[i]);
}
// get the method info
MethodInfo methodInfo = classType.GetMethod((string)data["method"], fnArgumentTypes);
// create the argument values array
object[] fnArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++)
{
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null)
{
fnArguments[j] = InstanceRegistry.getInstance((string)arg["valueHnd"]);
}
else if (fnArgumentTypes[j] == typeof(Uri))
{
fnArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
}
else
{
fnArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (fnArguments[j] != null)
{
IConvertible convertible = fnArguments[j] as IConvertible;
if (convertible != null)
{
fnArguments[j] = Convert.ChangeType(fnArguments[j], fnArgumentTypes[j]);
}
}
}
TiResponse response = new TiResponse();
InvokeAsync ia = new InvokeAsync();
response["handle"] = InstanceRegistry.createHandle(ia);
ia.run(null, methodInfo, fnArguments);
return(response);
}
private TiResponse invokeMethod(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"invokeMethod\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"invokeMethod\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("method"))
{
throw new ReflectionException("\"invokeMethod\" request missing \"method\" param");
}
if (!data.ContainsKey("args"))
{
throw new ReflectionException("\"invokeMethod\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0)
{
throw new ReflectionException("\"invokeMethod\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] fnArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++)
{
fnArgumentTypes[j] = InstanceRegistry.lookupType((string)args[i]);
}
// get the method info
MethodInfo methodInfo = instance.GetType().GetMethod((string)data["method"], fnArgumentTypes);
if (methodInfo.ReturnType.GetInterfaces().Contains(typeof(IAsyncInfo)))
{
throw new Exception("Use invokeMethodAsync() to call this method");
}
// create the argument values array
object[] fnArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++)
{
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null)
{
fnArguments[j] = InstanceRegistry.getInstance((string)arg["valueHnd"]);
}
else if (fnArgumentTypes[j] == typeof(Uri))
{
fnArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
}
else
{
fnArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (fnArguments[j] != null)
{
IConvertible convertible = fnArguments[j] as IConvertible;
if (convertible != null)
{
fnArguments[j] = Convert.ChangeType(fnArguments[j], fnArgumentTypes[j]);
}
}
}
// invoke the method
var result = methodInfo.Invoke(instance, fnArguments);
if (methodInfo.ReturnType == typeof(void))
{
result = null;
}
return(InstanceRegistry.createReturnType(result));
}
private TiResponse createInstance(TiRequestParams data)
{
if (!data.ContainsKey("className"))
{
throw new ReflectionException("\"createInstance\" request missing \"className\" param");
}
string className = (string)data["className"];
var classType = InstanceRegistry.lookupType(className);
if (classType == null)
{
throw new ReflectionException("\"createInstance\" request invalid classname \"" + classType + "\"");
}
if (!data.ContainsKey("args"))
{
throw new ReflectionException("\"createInstance\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0)
{
throw new ReflectionException("\"createInstance\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] ctorArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++)
{
ctorArgumentTypes[j] = InstanceRegistry.lookupType((string)args[i]);
}
// create the argument values array
object[] ctorArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++)
{
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null)
{
ctorArguments[j] = InstanceRegistry.getInstance((string)arg["valueHnd"]);
}
else if (ctorArgumentTypes[j] == typeof(Uri))
{
ctorArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
}
else
{
ctorArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (ctorArguments[j] != null)
{
ctorArguments[j] = Convert.ChangeType(ctorArguments[j], ctorArgumentTypes[j]);
}
}
// Invoke the constructor and return the result
var instance = classType.GetConstructor(ctorArgumentTypes).Invoke(ctorArguments);
TiResponse response = new TiResponse();
response["handle"] = InstanceRegistry.createHandle(instance);
return(response);
}
