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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
6 #define UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
7 
8 #import <Cocoa/Cocoa.h>
9 
10 #import "ui/base/cocoa/tracking_area.h"
11 #include "ui/base/ui_base_export.h"
12 
13 @class HoverImageMenuButtonCell;
14 
15 // An NSPopUpButton that additionally tracks mouseover state and calls
16 // [[self cell] setHovered:flag] when the hover state changes. Uses
17 // HoverImageMenuButtonCell as the default cellClass. Note that the menu item at
18 // index 0 is ignored and client code should populate it with a dummy item.
19 UI_BASE_EXPORT
20 @interface HoverImageMenuButton : NSPopUpButton {
21  @private
22   ui::ScopedCrTrackingArea trackingArea_;
23 }
24 
25 - (HoverImageMenuButtonCell*)hoverImageMenuButtonCell;
26 
27 @end
28 
29 #endif  // UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
30