text: // Copyright (c) 2012 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 "chrome/test/base/ui_test_utils.h"
  
  #include <gtk/gtk.h>
  
  #include "base/bind.h"
  #include "base/logging.h"
  #include "base/message_loop.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/browser/ui/browser_window.h"
  #include "chrome/browser/ui/gtk/view_id_util.h"
  #include "ui/base/gtk/gtk_screen_util.h"
  #include "ui/ui_controls/ui_controls.h"
  
  namespace ui_test_utils {
  
  namespace {
  // Check if the focused widget for |root| is |target| or a child of |target|.
  static bool IsWidgetInFocusChain(GtkWidget* root, GtkWidget* target) {
    GtkWidget* iter = root;
  
    while (iter) {
      if (iter == target)
        return true;
  
      if (!GTK_IS_CONTAINER(iter))
        return false;
  
      iter = GTK_CONTAINER(iter)->focus_child;
    }
  
    return false;
  }
  }  // namespace
  
  bool IsViewFocused(const Browser* browser, ViewID vid) {
    BrowserWindow* browser_window = browser->window();
    DCHECK(browser_window);
    gfx::NativeWindow window = browser_window->GetNativeWindow();
    DCHECK(window);
    GtkWidget* widget = ViewIDUtil::GetWidget(GTK_WIDGET(window), vid);
    DCHECK(widget);
    return IsWidgetInFocusChain(GTK_WIDGET(window), widget);
  }
  
  void ClickOnView(const Browser* browser, ViewID vid) {
    BrowserWindow* browser_window = browser->window();
    DCHECK(browser_window);
    gfx::NativeWindow window = browser_window->GetNativeWindow();
    DCHECK(window);
    GtkWidget* view = ViewIDUtil::GetWidget(GTK_WIDGET(window), vid);
    DCHECK(view);
    MoveMouseToCenterAndPress(
        view,
        ui_controls::LEFT,
        ui_controls::DOWN | ui_controls::UP,
        MessageLoop::QuitClosure());
    content::RunMessageLoop();
  }
  
  void HideNativeWindow(gfx::NativeWindow window) {
    gtk_widget_hide(GTK_WIDGET(window));
  }
  
  bool ShowAndFocusNativeWindow(gfx::NativeWindow window) {
    if (!gtk_window_has_toplevel_focus(GTK_WINDOW(window)))
      gtk_window_present(GTK_WINDOW(window));
    return true;
  }
  
  void MoveMouseToCenterAndPress(GtkWidget* widget,
                                 ui_controls::MouseButton button,
                                 int state,
                                 const base::Closure& task) {
    gfx::Rect bounds = ui::GetWidgetScreenBounds(widget);
    ui_controls::SendMouseMoveNotifyWhenDone(
        bounds.x() + bounds.width() / 2,
        bounds.y() + bounds.height() / 2,
        base::Bind(&internal::ClickTask, button, state, task));
  }
  
  }  // namespace ui_test_utils
  