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+// Copyright (c) 2014 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_TRAY_POPUP_ITEM_CONTAINER_H_
+#define ASH_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
+
+#include "ui/views/view.h"
+
+namespace ash {
+
+// A view which can optionally change the background color when a mouse is
+// hovering or a user is interacting via touch.
+class TrayPopupItemContainer : public views::View {
+ public:
+ TrayPopupItemContainer(views::View* view,
+ bool change_background,
+ bool draw_border);
+
+ virtual ~TrayPopupItemContainer();
+
+ bool active() {
+ return active_;
+ }
+
+ private:
+ // Sets whether the active background is to be used, and triggers a paint.
+ void SetActive(bool active);
+
+ // views::View:
+ virtual void ChildVisibilityChanged(views::View* child) override;
+ virtual void ChildPreferredSizeChanged(views::View* child) override;
+ virtual void OnMouseEntered(const ui::MouseEvent& event) override;
+ virtual void OnMouseExited(const ui::MouseEvent& event) override;
+ virtual void OnGestureEvent(ui::GestureEvent* event) override;
+ virtual void OnPaintBackground(gfx::Canvas* canvas) override;
+
+ // True if either a mouse is hovering over this view, or if a user has touched
+ // down.
+ bool active_;
+
+ // True if mouse hover and touch feedback can alter the background color of
+ // the container.
+ bool change_background_;
+
+ DISALLOW_COPY_AND_ASSIGN(TrayPopupItemContainer);
+};
+
+} // namespace ash
+
+#endif // ASH_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_