/// <summary>
/// Handle execution of the function identified by |name|. |object| is the
/// receiver ('this' object) of the function. |arguments| is the list of
/// arguments passed to the function. If execution succeeds set |retval| to the
/// function return value. If execution fails set |exception| to the exception
/// that will be thrown. Return true if execution was handled.
/// </summary>
/// <param name="name">The name of the function to execute.</param>
/// <param name="obj">The receiver ('this' object) of the function.</param>
/// <param name="arguments">The list of arguments passed to the function</param>
/// <param name="returnValue">If execution succeeds set |retval| to the function return value.</param>
/// <param name="exception">If execution fails set |exception| to the exception that will be thrown.</param>
/// <returns>Return true if execution was handled.</returns>
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
exception = null;
returnValue = null;
try
{
if (!string.IsNullOrEmpty(name))
{
var methodDescriptor = _plugin.Descriptor.Methods.Find(descriptor => descriptor.MethodName == name);
if (methodDescriptor == null)
{
Logger.Error("Plugin method {0} {1} not found", _plugin.Descriptor.PluginId, name);
return(false);
}
var context = CefV8Context.GetCurrentContext();
var v8Callback = arguments != null && arguments.Length != 0 && arguments[arguments.Length - 1].IsFunction
? arguments[arguments.Length - 1]
: null;
var parameters = v8Callback != null?arguments.Take(arguments.Length - 1).ToArray() : arguments;
_plugin.ExecuteFunction(context, name, parameters, v8Callback, out returnValue, out exception);
return(true);
}
}
catch (Exception ex)
{
Logger.Error("Execution of plugin method {0} {1} failed: {2}", _plugin.Descriptor.PluginId, name, ex);
exception = ex.Message;
}
returnValue = CefV8Value.CreateUndefined();
return(false);
}
