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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_CLICKHOLD_BUTTON_CELL_H_
      6 #define CHROME_BROWSER_UI_COCOA_CLICKHOLD_BUTTON_CELL_H_
      7 #pragma once
      8 
      9 #import <Cocoa/Cocoa.h>
     10 
     11 #include "base/memory/scoped_nsobject.h"
     12 #import "chrome/browser/ui/cocoa/gradient_button_cell.h"
     13 
     14 // A button cell that implements "click hold" behavior after a specified delay
     15 // or after dragging. If click-hold is never enabled (e.g., if
     16 // |-setEnableClickHold:| is never called), this behaves like a normal button.
     17 @interface ClickHoldButtonCell : GradientButtonCell {
     18  @private
     19   BOOL enableClickHold_;
     20   NSTimeInterval clickHoldTimeout_;
     21   id clickHoldTarget_;                  // Weak.
     22   SEL clickHoldAction_;
     23   BOOL trackOnlyInRect_;
     24   BOOL activateOnDrag_;
     25 }
     26 
     27 // Enable click-hold? Default: NO.
     28 @property(assign, nonatomic) BOOL enableClickHold;
     29 
     30 // Timeout is in seconds (at least 0.0, at most 5; 0.0 means that the button
     31 // will always have its click-hold action activated immediately on press).
     32 // Default: 0.25 (a guess at a Cocoa-ish value).
     33 @property(assign, nonatomic) NSTimeInterval clickHoldTimeout;
     34 
     35 // Track only in the frame rectangle? Default: NO.
     36 @property(assign, nonatomic) BOOL trackOnlyInRect;
     37 
     38 // Activate (click-hold) immediately on a sufficiently-large drag (if not,
     39 // always wait for timeout)? Default: YES.
     40 @property(assign, nonatomic) BOOL activateOnDrag;
     41 
     42 // Defines what to do when click-held (as per usual action/target).
     43 @property(assign, nonatomic) id clickHoldTarget;
     44 @property(assign, nonatomic) SEL clickHoldAction;
     45 
     46 @end  // @interface ClickHoldButtonCell
     47 
     48 #endif  // CHROME_BROWSER_UI_COCOA_CLICKHOLD_BUTTON_CELL_H_
     49