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      1 // Copyright (c) 2011 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 #import <Cocoa/Cocoa.h>
      6 
      7 #include "base/memory/scoped_nsobject.h"
      8 #include "chrome/browser/ui/cocoa/hover_button.h"
      9 
     10 // A button that changes images when you hover over it and click it.
     11 @interface HoverImageButton : HoverButton {
     12  @private
     13   float defaultOpacity_;
     14   float hoverOpacity_;
     15   float pressedOpacity_;
     16 
     17   scoped_nsobject<NSImage> defaultImage_;
     18   scoped_nsobject<NSImage> hoverImage_;
     19   scoped_nsobject<NSImage> pressedImage_;
     20 }
     21 
     22 // Sets the default image.
     23 - (void)setDefaultImage:(NSImage*)image;
     24 
     25 // Sets the hover image.
     26 - (void)setHoverImage:(NSImage*)image;
     27 
     28 // Sets the pressed image.
     29 - (void)setPressedImage:(NSImage*)image;
     30 
     31 // Sets the default opacity.
     32 - (void)setDefaultOpacity:(float)opacity;
     33 
     34 // Sets the opacity on hover.
     35 - (void)setHoverOpacity:(float)opacity;
     36 
     37 // Sets the opacity when pressed.
     38 - (void)setPressedOpacity:(float)opacity;
     39 
     40 @end
     41