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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 #ifndef CHROME_BROWSER_UI_COCOA_DRAGGABLE_BUTTON_H_
      6 #define CHROME_BROWSER_UI_COCOA_DRAGGABLE_BUTTON_H_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 
     10 #import "base/mac/scoped_nsobject.h"
     11 #import "chrome/browser/ui/cocoa/draggable_button_mixin.h"
     12 
     13 // Class for buttons that can be drag sources. If the mouse is clicked and moved
     14 // more than a given distance, this class will call |-beginDrag:| instead of
     15 // |-performClick:|. Subclasses should override these two methods.
     16 @interface DraggableButton : NSButton<DraggableButtonMixin> {
     17  @private
     18   base::scoped_nsobject<DraggableButtonImpl> draggableButtonImpl_;
     19 }
     20 
     21 @property(readonly, nonatomic) DraggableButtonImpl* draggableButton;
     22 
     23 @end
     24 
     25 #endif  // CHROME_BROWSER_UI_COCOA_DRAGGABLE_BUTTON_H_
     26