ui/base/cocoa/controls/hover_image_menu_button.h

   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_