A11y: Add a browser test of TrayAccessibility.

ash/system/tray_accessibility.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_ACCESSIBILITY_H_
 #define ASH_SYSTEM_TRAY_ACCESSIBILITY_H_
 
 #include "ash/shell_delegate.h"
 #include "ash/shell_observer.h"
+#include "ash/system/tray/tray_details_view.h"
 #include "ash/system/tray/tray_image_item.h"
+#include "ash/system/tray/tray_views.h"
+#include "base/gtest_prod_util.h"
+
+namespace chromeos {
+class TrayAccessibilityTest;
+}
 
 namespace views {
+class Button;
 class ImageView;
 class View;
 }
 
 namespace ash {
 
+class SystemTrayItem;
+
 class ASH_EXPORT AccessibilityObserver {
  public:
   virtual ~AccessibilityObserver() {}
 
   // Notifies when accessibilty mode changes.
   virtual void OnAccessibilityModeChanged(
       AccessibilityNotificationVisibility notify) = 0;
 };
 
 namespace internal {
+namespace tray {
+
+class AccessibilityPopupView;
+
+class AccessibilityDetailedView : public TrayDetailsView,
+                                  public ViewClickListener,
+                                  public views::ButtonListener,
+                                  public ShellObserver {
+ public:
+  explicit AccessibilityDetailedView(SystemTrayItem* owner,
+                                     user::LoginStatus login);
+  virtual ~AccessibilityDetailedView() {}
+
+ private:
+  // Add the accessibility feature list.
+  void AppendAccessibilityList();
+
+  // Add help entries.
+  void AppendHelpEntries();
+
+  HoverHighlightView* AddScrollListItem(const string16& text,
+                                        gfx::Font::FontStyle style,
+                                        bool checked);
+  // Overridden from ViewClickListener.
+  virtual void ClickedOn(views::View* sender) OVERRIDE;
+  // Overridden from ButtonListener.
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE;
+
+  views::View* spoken_feedback_view_;
+  views::View* high_contrast_view_;
+  views::View* screen_magnifier_view_;;
+  views::View* help_view_;
+
+  bool spoken_feedback_enabled_;
+  bool high_contrast_enabled_;
+  bool screen_magnifier_enabled_;
+  user::LoginStatus login_;
+
+  friend class chromeos::TrayAccessibilityTest;
+  DISALLOW_COPY_AND_ASSIGN(AccessibilityDetailedView);
+};
+
+}  // namespace tray
 
 class TrayAccessibility : public TrayImageItem,
                           public AccessibilityObserver {
  public:
   explicit TrayAccessibility(SystemTray* system_tray);
   virtual ~TrayAccessibility();
 
  private:
+  void SetTrayIconVisible(bool visible);
+  tray::AccessibilityDetailedView* CreateDetailedMenu();
+
   // Overridden from TrayImageItem.
   virtual bool GetInitialVisibility() OVERRIDE;
   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
   virtual void DestroyDefaultView() OVERRIDE;
   virtual void DestroyDetailedView() OVERRIDE;
   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE;
 
   // Overridden from AccessibilityObserver.
   virtual void OnAccessibilityModeChanged(
       AccessibilityNotificationVisibility notify) OVERRIDE;
 
   views::View* default_;
-  views::View* detailed_;
+  tray::AccessibilityPopupView* detailed_popup_;
+  tray::AccessibilityDetailedView* detailed_menu_;
 
   bool request_popup_view_;
+  bool tray_icon_visible_;
   user::LoginStatus login_;
 
   // Bitmap of values from AccessibilityState enum.
   uint32 previous_accessibility_state_;
 
+  friend class chromeos::TrayAccessibilityTest;
   DISALLOW_COPY_AND_ASSIGN(TrayAccessibility);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_ACCESSIBILITY_H_