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 <LibWeb/Bindings/WindowObject.h>
  #include <LibWeb/DOM/Document.h>
  #include <LibWeb/DOM/Event.h>
  #include <LibWeb/DOM/Window.h>
  #include <LibWeb/Dump.h>
  #include <LibWeb/HTML/EventNames.h>
  #include <LibWeb/HTML/HTMLFormElement.h>
  #include <LibWeb/HTML/HTMLIFrameElement.h>
  #include <LibWeb/HTML/Parser/HTMLDocumentParser.h>
  #include <LibWeb/InProcessWebView.h>
  #include <LibWeb/Layout/FrameBox.h>
  #include <LibWeb/Loader/ResourceLoader.h>
  #include <LibWeb/Origin.h>
  #include <LibWeb/Page/Frame.h>
  
  namespace Web::HTML {
  
  HTMLIFrameElement::HTMLIFrameElement(DOM::Document& document, QualifiedName qualified_name)
      : HTMLElement(document, move(qualified_name))
  {
      ASSERT(document.frame());
      m_content_frame = Frame::create_subframe(*this, document.frame()->main_frame());
  }
  
  HTMLIFrameElement::~HTMLIFrameElement()
  {
  }
  
  RefPtr<Layout::Node> HTMLIFrameElement::create_layout_node()
  {
      auto style = document().style_resolver().resolve_style(*this);
      return adopt(*new Layout::FrameBox(document(), *this, move(style)));
  }
  
  void HTMLIFrameElement::parse_attribute(const FlyString& name, const String& value)
  {
      HTMLElement::parse_attribute(name, value);
      if (name == HTML::AttributeNames::src)
          load_src(value);
  }
  
  void HTMLIFrameElement::load_src(const String& value)
  {
      auto url = document().complete_url(value);
      if (!url.is_valid()) {
          dbgln("iframe failed to load URL: Invalid URL: {}", value);
          return;
      }
      if (url.protocol() == "file" && document().origin().protocol() != "file") {
          dbgln("iframe failed to load URL: Security violation: {} may not load {}", document().url(), url);
          return;
      }
  
      dbgln("Loading iframe document from {}", value);
      m_content_frame->loader().load(url, FrameLoader::Type::IFrame);
  }
  
  Origin HTMLIFrameElement::content_origin() const
  {
      if (!m_content_frame || !m_content_frame->document())
          return {};
      return m_content_frame->document()->origin();
  }
  
  bool HTMLIFrameElement::may_access_from_origin(const Origin& origin) const
  {
      return origin.is_same(content_origin());
  }
  
  const DOM::Document* HTMLIFrameElement::content_document() const
  {
      return m_content_frame ? m_content_frame->document() : nullptr;
  }
  
  void HTMLIFrameElement::content_frame_did_load(Badge<FrameLoader>)
  {
      dispatch_event(DOM::Event::create(EventNames::load));
  }
  
  }
  