text: /*
   * Copyright (c) 2018-2020, 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 <LibCore/ElapsedTimer.h>
  #include <LibGUI/Button.h>
  #include <LibGUI/TextBox.h>
  #include <LibWeb/DOM/Document.h>
  #include <LibWeb/DOM/Event.h>
  #include <LibWeb/HTML/HTMLFormElement.h>
  #include <LibWeb/HTML/HTMLInputElement.h>
  #include <LibWeb/Layout/LayoutWidget.h>
  #include <LibWeb/Page/Frame.h>
  #include <LibWeb/InProcessWebView.h>
  
  namespace Web::HTML {
  
  HTMLInputElement::HTMLInputElement(DOM::Document& document, const FlyString& tag_name)
      : HTMLElement(document, tag_name)
  {
  }
  
  HTMLInputElement::~HTMLInputElement()
  {
  }
  
  RefPtr<LayoutNode> HTMLInputElement::create_layout_node(const CSS::StyleProperties* parent_style)
  {
      ASSERT(document().frame());
      auto& frame = *document().frame();
      auto& page_view = const_cast<InProcessWebView&>(static_cast<const InProcessWebView&>(frame.page().client()));
  
      if (type() == "hidden")
          return nullptr;
  
      auto style = document().style_resolver().resolve_style(*this, parent_style);
      if (style->display() == CSS::Display::None)
          return nullptr;
  
      RefPtr<GUI::Widget> widget;
      if (type() == "submit") {
          auto& button = page_view.add<GUI::Button>(value());
          int text_width = Gfx::Font::default_font().width(value());
          button.set_relative_rect(0, 0, text_width + 20, 20);
          button.on_click = [this](auto) {
              if (auto* form = first_ancestor_of_type<HTMLFormElement>()) {
                  // FIXME: Remove this const_cast once we have a non-const first_ancestor_of_type.
                  const_cast<HTMLFormElement*>(form)->submit(this);
              }
          };
          widget = button;
      } else if (type() == "button") {
          auto& button = page_view.add<GUI::Button>(value());
          int text_width = Gfx::Font::default_font().width(value());
          button.set_relative_rect(0, 0, text_width + 20, 20);
          button.on_click = [this](auto) {
              const_cast<HTMLInputElement*>(this)->dispatch_event(DOM::Event::create("click"));
          };
          widget = button;
      } else {
          auto& text_box = page_view.add<GUI::TextBox>();
          text_box.set_text(value());
          text_box.on_change = [this] {
              auto& widget = downcast<LayoutWidget>(layout_node())->widget();
              const_cast<HTMLInputElement*>(this)->set_attribute(HTML::AttributeNames::value, static_cast<const GUI::TextBox&>(widget).text());
          };
          int text_width = Gfx::Font::default_font().width(value());
          auto size_value = attribute(HTML::AttributeNames::size);
          if (!size_value.is_null()) {
              auto size = size_value.to_uint();
              if (size.has_value())
                  text_width = Gfx::Font::default_font().glyph_width('x') * size.value();
          }
          text_box.set_relative_rect(0, 0, text_width + 20, 20);
          widget = text_box;
      }
  
      return adopt(*new LayoutWidget(document(), *this, *widget));
  }
  
  }
  