chrome/browser/ui/cocoa/constrained_window/constrained_window_button.h

   1 // Copyright (c) 2012 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_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_BUTTON_
   6 #define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_BUTTON_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #import "ui/base/cocoa/tracking_area.h"
  11
  12 namespace constrained_window_button {
  13 const CGFloat kButtonMinWidth = 72;
  14 }
  15
  16 @protocol ConstrainedWindowButtonDrawableCell
  17 @property (nonatomic, assign) BOOL isMouseInside;
  18 - (BOOL)isEnabled;
  19 - (BOOL)isHighlighted;
  20 @end
  21
  22 // A push button for use in a constrained window. Specialized constrained
  23 // windows that need a push button should use this class instead of NSButton.
  24 @interface ConstrainedWindowButton : NSButton {
  25  @private
  26   ui::ScopedCrTrackingArea trackingArea_;
  27 }
  28
  29 extern const CGFloat buttonMinWidth_;
  30
  31 // Draws the background and shadow inside |path| with the appropriate
  32 // colors for |buttonState|, onto |view|.
  33 + (void)DrawBackgroundAndShadowForPath:(NSBezierPath*)path
  34                           withCell:(id<ConstrainedWindowButtonDrawableCell>)cell
  35                             inView:(NSView*)view;
  36
  37 // Draws the highlight inside |path|, with the color for |buttonState|,
  38 // onto |view|.
  39 + (void)DrawInnerHighlightForPath:(NSBezierPath*)path
  40                          withCell:(id<ConstrainedWindowButtonDrawableCell>)cell
  41                            inView:(NSView*)view;
  42
  43 // Draws the border along |path|, with a color according to |buttonState|,
  44 // onto |view|.
  45 + (void)DrawBorderForPath:(NSBezierPath*)path
  46                  withCell:(id<ConstrainedWindowButtonDrawableCell>)cell
  47                    inView:(NSView*)view;
  48 @end
  49
  50 // A button cell used by ConstrainedWindowButton.
  51 @interface ConstrainedWindowButtonCell :
  52     NSButtonCell<ConstrainedWindowButtonDrawableCell> {
  53  @private
  54   BOOL isMouseInside_;
  55 }
  56
  57 @end
  58
  59 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_BUTTON_