1// Copyright (c) 2010 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 "chrome/browser/ui/cocoa/new_tab_button.h"
6
7@implementation NewTabButton
8
9// Approximate the shape. It doesn't need to be perfect. This will need to be
10// updated if the size or shape of the icon ever changes.
11// TODO(pinkerton): use a click mask image instead of hard-coding points.
12- (NSBezierPath*)pathForButton {
13  if (imagePath_.get())
14    return imagePath_.get();
15
16  // Cache the path as it doesn't change (the coordinates are local to this
17  // view). There's not much point making constants for these, as they are
18  // custom.
19  imagePath_.reset([[NSBezierPath bezierPath] retain]);
20  [imagePath_ moveToPoint:NSMakePoint(9, 7)];
21  [imagePath_ lineToPoint:NSMakePoint(26, 7)];
22  [imagePath_ lineToPoint:NSMakePoint(33, 23)];
23  [imagePath_ lineToPoint:NSMakePoint(14, 23)];
24  [imagePath_ lineToPoint:NSMakePoint(9, 7)];
25  return imagePath_;
26}
27
28- (BOOL)pointIsOverButton:(NSPoint)point {
29  NSPoint localPoint = [self convertPoint:point fromView:[self superview]];
30  NSBezierPath* buttonPath = [self pathForButton];
31  return [buttonPath containsPoint:localPoint];
32}
33
34// Override to only accept clicks within the bounds of the defined path, not
35// the entire bounding box. |aPoint| is in the superview's coordinate system.
36- (NSView*)hitTest:(NSPoint)aPoint {
37  if ([self pointIsOverButton:aPoint])
38    return [super hitTest:aPoint];
39  return nil;
40}
41
42@end
43