text: /*
   * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
   * Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
   * Copyright (c) 2022, the SerenityOS developers.
   *
   * SPDX-License-Identifier: BSD-2-Clause
   */
  
  #pragma once
  
  #include "ElementSizePreviewWidget.h"
  #include <LibGUI/Widget.h>
  #include <LibWeb/CSS/Selector.h>
  #include <LibWeb/Forward.h>
  #include <LibWeb/Layout/BoxModelMetrics.h>
  
  namespace Browser {
  
  class InspectorWidget final : public GUI::Widget {
      C_OBJECT(InspectorWidget)
  public:
      struct Selection {
          i32 dom_node_id { 0 };
          Optional<Web::CSS::Selector::PseudoElement> pseudo_element {};
  
          bool operator==(Selection const& other) const
          {
              return dom_node_id == other.dom_node_id && pseudo_element == other.pseudo_element;
          }
  
          String to_string() const
          {
              if (pseudo_element.has_value())
                  return String::formatted("id: {}, pseudo: {}", dom_node_id, Web::CSS::pseudo_element_name(pseudo_element.value()));
              return String::formatted("id: {}", dom_node_id);
          }
      };
  
      virtual ~InspectorWidget() = default;
  
      void set_web_view(NonnullRefPtr<Web::OutOfProcessWebView> web_view) { m_web_view = web_view; }
      void set_dom_json(String);
      void clear_dom_json();
      void set_dom_node_properties_json(Selection, String specified_values_json, String computed_values_json, String custom_properties_json, String node_box_sizing_json);
  
      void set_selection(Selection);
      void select_default_node();
  
  private:
      InspectorWidget();
  
      void set_selection(GUI::ModelIndex);
      void load_style_json(String specified_values_json, String computed_values_json, String custom_properties_json);
      void update_node_box_model(Optional<String> node_box_sizing_json);
      void clear_style_json();
  
      RefPtr<Web::OutOfProcessWebView> m_web_view;
  
      RefPtr<GUI::TreeView> m_dom_tree_view;
      RefPtr<GUI::TableView> m_style_table_view;
      RefPtr<GUI::TableView> m_computed_style_table_view;
      RefPtr<GUI::TableView> m_custom_properties_table_view;
      RefPtr<ElementSizePreviewWidget> m_element_size_view;
  
      Web::Layout::BoxModelMetrics m_node_box_sizing;
  
      Optional<String> m_dom_json;
      Optional<Selection> m_pending_selection;
      Selection m_selection;
      Optional<String> m_selection_specified_values_json;
      Optional<String> m_selection_computed_values_json;
      Optional<String> m_selection_custom_properties_json;
  };
  
  }
  