text: /*
   * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <LibJS/Interpreter.h>
  #include <LibJS/Runtime/Function.h>
  #include <LibWeb/Bindings/EventWrapper.h>
  #include <LibWeb/Bindings/XMLHttpRequestWrapper.h>
  #include <LibWeb/DOM/Document.h>
  #include <LibWeb/DOM/Event.h>
  #include <LibWeb/DOM/EventListener.h>
  #include <LibWeb/DOM/Window.h>
  #include <LibWeb/DOM/XMLHttpRequest.h>
  #include <LibWeb/ResourceLoader.h>
  
  namespace Web {
  
  XMLHttpRequest::XMLHttpRequest(Window& window)
      : m_window(window)
  {
  }
  
  XMLHttpRequest::~XMLHttpRequest()
  {
  }
  
  String XMLHttpRequest::response_text() const
  {
      if (m_response.is_null())
          return {};
      return String::copy(m_response);
  }
  
  void XMLHttpRequest::open(const String& method, const String& url)
  {
      m_method = method;
      m_url = url;
  }
  
  void XMLHttpRequest::send()
  {
      ResourceLoader::the().load(
          m_window->document().complete_url(m_url),
          [weak_this = make_weak_ptr()](auto& data) {
              if (!weak_this)
                  return;
              const_cast<XMLHttpRequest&>(*weak_this).m_response = data;
              const_cast<XMLHttpRequest&>(*weak_this).dispatch_event(Event::create("load"));
          },
          [weak_this = make_weak_ptr()](auto& error) {
              if (!weak_this)
                  return;
              dbg() << "XHR failed to load: " << error;
              const_cast<XMLHttpRequest&>(*weak_this).dispatch_event(Event::create("error"));
          });
  }
  
  void XMLHttpRequest::dispatch_event(NonnullRefPtr<Event> event)
  {
      for (auto& listener : listeners()) {
          if (listener.event_name == event->name()) {
              auto* function = const_cast<EventListener&>(*listener.listener).function();
              auto* this_value = wrap(function->heap(), *this);
              auto* event_wrapper = wrap(function->heap(), *event);
              function->interpreter().call(function, this_value, { event_wrapper });
          }
      }
  }
  
  }
  