1 files changed, 135 insertions, 0 deletions
diff --git a/chromium/ash/system/tray_accessibility.h b/chromium/ash/system/tray_accessibility.h
new file mode 100644
index 00000000000..01713783c56
--- /dev/null
+++ b/chromium/ash/system/tray_accessibility.h
@@ -0,0 +1,135 @@
+// 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/view_click_listener.h"
+#include "base/gtest_prod_util.h"
+#include "ui/gfx/font.h"
+#include "ui/views/controls/button/button.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 {
+
+class HoverHighlightView;
+
+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 base::string16& text,
+                                        gfx::Font::FontStyle style,
+                                        bool checked);
+  // Overridden from ViewClickListener.
+  virtual void OnViewClicked(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* large_cursor_view_;;
+  views::View* help_view_;
+  views::View* settings_view_;
+
+  bool spoken_feedback_enabled_;
+  bool high_contrast_enabled_;
+  bool screen_magnifier_enabled_;
+  bool large_cursor_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_;
+  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_;
+
+  // A11y feature status on just entering the lock screen.
+  bool show_a11y_menu_on_lock_screen_;
+
+  friend class chromeos::TrayAccessibilityTest;
+  DISALLOW_COPY_AND_ASSIGN(TrayAccessibility);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_TRAY_ACCESSIBILITY_H_