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#include "method_dispatcher.h"

MethodDispatcher::MethodDispatcher(Application* app) : app_(app) {
}

void MethodDispatcher::Bind(JSObject& object,
  const WebString& name,
  ObjectMethodDelegate callback) {
  // We can't bind methods to local JSObjects
  if (object.type() == kJSObjectType_Local)
    return;

  object.SetCustomMethod(name, false);

  ObjectMethodKey key(object.remote_id(), name);
  bound_methods_[key] = callback;
}

void MethodDispatcher::BindWithRetval(JSObject& object,
  const WebString& name,
  ObjectMethodWithRetvalDelegate callback) {
  // We can't bind methods to local JSObjects
  if (object.type() == kJSObjectType_Local)
    return;

  object.SetCustomMethod(name, true);

  ObjectMethodKey key(object.remote_id(), name);
  bound_methods_with_retval_[key] = callback;
}

void MethodDispatcher::OnMethodCall(Awesomium::WebView* caller,
                  unsigned int remote_object_id,
                  const Awesomium::WebString& method_name,
                  const Awesomium::JSArray& args) {
  // Find the method that matches the object id + method name
  auto i = bound_methods_.find(ObjectMethodKey(remote_object_id, method_name));

  // Call the method
  if (i != bound_methods_.end())
    i->second(app_, caller, args);
}

JSValue MethodDispatcher::OnMethodCallWithReturnValue(Awesomium::WebView* caller,
                                    unsigned int remote_object_id,
                                    const Awesomium::WebString& method_name,
                                    const Awesomium::JSArray& args) {
  // Find the method that matches the object id + method name
  auto i = bound_methods_with_retval_.find(
    ObjectMethodKey(remote_object_id, method_name));

  // Call the method
  if (i != bound_methods_with_retval_.end())
    return i->second(app_, caller, args);

  return JSValue::Undefined();
}