text: // Copyright 2016 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "content/shell/browser/shell_web_contents_view_delegate.h"
  
  #include "base/strings/utf_string_conversions.h"
  #include "content/public/browser/web_contents.h"
  #include "content/shell/browser/shell_devtools_frontend.h"
  #include "content/shell/common/shell_switches.h"
  #include "ui/aura/client/screen_position_client.h"
  #include "ui/aura/window.h"
  #include "ui/base/models/simple_menu_model.h"
  #include "ui/views/controls/menu/menu_runner.h"
  #include "ui/views/widget/widget.h"
  
  namespace content {
  namespace {
  
  // Model for the "Debug" menu
  class ContextMenuModel : public ui::SimpleMenuModel,
                           public ui::SimpleMenuModel::Delegate {
   public:
    ContextMenuModel(WebContents* web_contents, const ContextMenuParams& params)
        : ui::SimpleMenuModel(this),
          web_contents_(web_contents),
          params_(params) {
      AddItem(COMMAND_OPEN_DEVTOOLS, base::ASCIIToUTF16("Inspect Element"));
    }
    ~ContextMenuModel() override {}
  
    // ui::SimpleMenuModel::Delegate:
    bool IsCommandIdChecked(int command_id) const override { return false; }
    bool IsCommandIdEnabled(int command_id) const override { return true; }
    void ExecuteCommand(int command_id, int event_flags) override {
      switch (command_id) {
        case COMMAND_OPEN_DEVTOOLS:
          ShellDevToolsFrontend* devtools_frontend =
              ShellDevToolsFrontend::Show(web_contents_);
          devtools_frontend->Activate();
          devtools_frontend->Focus();
          devtools_frontend->InspectElementAt(params_.x, params_.y);
          break;
      };
    }
  
   private:
    enum CommandID { COMMAND_OPEN_DEVTOOLS };
  
    WebContents* web_contents_;
    ContextMenuParams params_;
  
    DISALLOW_COPY_AND_ASSIGN(ContextMenuModel);
  };
  
  }  // namespace
  
  WebContentsViewDelegate* CreateShellWebContentsViewDelegate(
      WebContents* web_contents) {
    return new ShellWebContentsViewDelegate(web_contents);
  }
  
  ShellWebContentsViewDelegate::ShellWebContentsViewDelegate(
      WebContents* web_contents)
      : web_contents_(web_contents) {}
  
  ShellWebContentsViewDelegate::~ShellWebContentsViewDelegate() {}
  
  void ShellWebContentsViewDelegate::ShowContextMenu(
      RenderFrameHost* render_frame_host,
      const ContextMenuParams& params) {
    if (switches::IsRunWebTestsSwitchPresent())
      return;
  
    gfx::Point screen_point(params.x, params.y);
  
    // Convert from content coordinates to window coordinates.
    // This code copied from chrome_web_contents_view_delegate_views.cc
    aura::Window* web_contents_window = web_contents_->GetNativeView();
    aura::Window* root_window = web_contents_window->GetRootWindow();
    aura::client::ScreenPositionClient* screen_position_client =
        aura::client::GetScreenPositionClient(root_window);
    if (screen_position_client) {
      screen_position_client->ConvertPointToScreen(web_contents_window,
                                                   &screen_point);
    }
  
    context_menu_model_.reset(new ContextMenuModel(web_contents_, params));
    context_menu_runner_.reset(new views::MenuRunner(
        context_menu_model_.get(), views::MenuRunner::CONTEXT_MENU));
  
    views::Widget* widget = views::Widget::GetWidgetForNativeView(
        web_contents_->GetTopLevelNativeWindow());
    context_menu_runner_->RunMenuAt(
        widget, nullptr, gfx::Rect(screen_point, gfx::Size()),
        views::MENU_ANCHOR_TOPRIGHT, ui::MENU_SOURCE_NONE);
  }
  
  }  // namespace content
  