text: /*
   * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
   *
   * SPDX-License-Identifier: BSD-2-Clause
   */
  
  #pragma once
  
  #include <AK/URL.h>
  #include <LibGUI/AbstractScrollableWidget.h>
  #include <LibGUI/Widget.h>
  #include <LibWeb/CSS/Selector.h>
  #include <LibWeb/Page/Page.h>
  #include <LibWeb/WebViewHooks.h>
  
  namespace Web {
  
  class WebContentClient;
  
  class OutOfProcessWebView final
      : public GUI::AbstractScrollableWidget
      , public Web::WebViewHooks {
      C_OBJECT(OutOfProcessWebView);
  
  public:
      virtual ~OutOfProcessWebView() override;
  
      AK::URL url() const { return m_url; }
      void load(const AK::URL&);
  
      void load_html(StringView, const AK::URL&);
      void load_empty_document();
  
      void debug_request(const String& request, const String& argument = {});
      void get_source();
  
      void inspect_dom_tree();
      struct DOMNodeProperties {
          String specified_values_json;
          String computed_values_json;
          String custom_properties_json;
          String node_box_sizing_json;
      };
      Optional<DOMNodeProperties> inspect_dom_node(i32 node_id, Optional<CSS::Selector::PseudoElement>);
      void clear_inspected_dom_node();
      i32 get_hovered_node_id();
  
      void js_console_input(const String& js_source);
      void js_console_request_messages(i32 start_index);
  
      void run_javascript(StringView);
  
      String selected_text();
      void select_all();
  
      String dump_layout_tree();
  
      void set_content_filters(Vector<String>);
      void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
  
      void notify_server_did_layout(Badge<WebContentClient>, const Gfx::IntSize& content_size);
      void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id);
      void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, const Gfx::IntRect&);
      void notify_server_did_change_selection(Badge<WebContentClient>);
      void notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor);
      void notify_server_did_change_title(Badge<WebContentClient>, const String&);
      void notify_server_did_request_scroll(Badge<WebContentClient>, i32, i32);
      void notify_server_did_request_scroll_to(Badge<WebContentClient>, Gfx::IntPoint const&);
      void notify_server_did_request_scroll_into_view(Badge<WebContentClient>, const Gfx::IntRect&);
      void notify_server_did_enter_tooltip_area(Badge<WebContentClient>, const Gfx::IntPoint&, const String&);
      void notify_server_did_leave_tooltip_area(Badge<WebContentClient>);
      void notify_server_did_hover_link(Badge<WebContentClient>, const AK::URL&);
      void notify_server_did_unhover_link(Badge<WebContentClient>);
      void notify_server_did_click_link(Badge<WebContentClient>, const AK::URL&, const String& target, unsigned modifiers);
      void notify_server_did_middle_click_link(Badge<WebContentClient>, const AK::URL&, const String& target, unsigned modifiers);
      void notify_server_did_start_loading(Badge<WebContentClient>, const AK::URL&);
      void notify_server_did_finish_loading(Badge<WebContentClient>, const AK::URL&);
      void notify_server_did_request_context_menu(Badge<WebContentClient>, const Gfx::IntPoint&);
      void notify_server_did_request_link_context_menu(Badge<WebContentClient>, const Gfx::IntPoint&, const AK::URL&, const String& target, unsigned modifiers);
      void notify_server_did_request_image_context_menu(Badge<WebContentClient>, const Gfx::IntPoint&, const AK::URL&, const String& target, unsigned modifiers, const Gfx::ShareableBitmap&);
      void notify_server_did_request_alert(Badge<WebContentClient>, const String& message);
      bool notify_server_did_request_confirm(Badge<WebContentClient>, const String& message);
      String notify_server_did_request_prompt(Badge<WebContentClient>, const String& message, const String& default_);
      void notify_server_did_get_source(const AK::URL& url, const String& source);
      void notify_server_did_get_dom_tree(const String& dom_tree);
      void notify_server_did_get_dom_node_properties(i32 node_id, String const& specified_style, String const& computed_style, String const& custom_properties, String const& node_box_sizing);
      void notify_server_did_output_js_console_message(i32 message_index);
      void notify_server_did_get_js_console_messages(i32 start_index, Vector<String> const& message_types, Vector<String> const& messages);
      void notify_server_did_change_favicon(const Gfx::Bitmap& favicon);
      String notify_server_did_request_cookie(Badge<WebContentClient>, const AK::URL& url, Cookie::Source source);
      void notify_server_did_set_cookie(Badge<WebContentClient>, const AK::URL& url, const Cookie::ParsedCookie& cookie, Cookie::Source source);
      void notify_server_did_update_resource_count(i32 count_waiting);
  
  private:
      OutOfProcessWebView();
  
      // ^Widget
      virtual void paint_event(GUI::PaintEvent&) override;
      virtual void resize_event(GUI::ResizeEvent&) override;
      virtual void mousedown_event(GUI::MouseEvent&) override;
      virtual void mouseup_event(GUI::MouseEvent&) override;
      virtual void mousemove_event(GUI::MouseEvent&) override;
      virtual void mousewheel_event(GUI::MouseEvent&) override;
      virtual void keydown_event(GUI::KeyEvent&) override;
      virtual void keyup_event(GUI::KeyEvent&) override;
      virtual void theme_change_event(GUI::ThemeChangeEvent&) override;
      virtual void screen_rects_change_event(GUI::ScreenRectsChangeEvent&) override;
      virtual void focusin_event(GUI::FocusEvent&) override;
      virtual void focusout_event(GUI::FocusEvent&) override;
  
      // ^AbstractScrollableWidget
      virtual void did_scroll() override;
  
      void request_repaint();
      void handle_resize();
  
      void create_client();
      WebContentClient& client();
  
      void handle_web_content_process_crash();
  
      AK::URL m_url;
  
      struct SharedBitmap {
          i32 id { -1 };
          i32 pending_paints { 0 };
          RefPtr<Gfx::Bitmap> bitmap;
      };
  
      struct ClientState {
          RefPtr<WebContentClient> client;
          SharedBitmap front_bitmap;
          SharedBitmap back_bitmap;
          i32 next_bitmap_id { 0 };
          bool has_usable_bitmap { false };
          bool got_repaint_requests_while_painting { false };
      } m_client_state;
  
      RefPtr<Gfx::Bitmap> m_backup_bitmap;
  };
  
  }
  