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_INFO_BUBBLE_VIEW_H_
6#define CHROME_BROWSER_UI_COCOA_INFO_BUBBLE_VIEW_H_
7
8#import <Cocoa/Cocoa.h>
9
10#include "base/mac/scoped_nsobject.h"
11
12namespace info_bubble {
13
14// These values are in view coordinates.
15const CGFloat kBubbleArrowHeight = 8.0;
16const CGFloat kBubbleArrowWidth = 15.0;
17const CGFloat kBubbleCornerRadius = 2.0;
18const CGFloat kBubbleArrowXOffset = kBubbleArrowWidth + kBubbleCornerRadius;
19
20// Constants that define where the bubble will have rounded corners.
21enum CornerFlags {
22  kRoundedTopCorners = 1,
23  kRoundedBottomCorners = 1 << 1,
24  kRoundedAllCorners = kRoundedTopCorners | kRoundedBottomCorners,
25};
26
27enum BubbleArrowLocation {
28  kTopLeft,
29  kTopCenter,
30  kTopRight,
31  kNoArrow,
32};
33
34enum BubbleAlignment {
35  // The tip of the arrow points to the anchor point.
36  kAlignArrowToAnchor,
37  // The edge nearest to the arrow is lined up with the anchor point.
38  kAlignEdgeToAnchorEdge,
39  // Align the right edge to the anchor point.
40  kAlignRightEdgeToAnchorEdge,
41  // Align the left edge to the anchor point.
42  kAlignLeftEdgeToAnchorEdge,
43};
44
45}  // namespace info_bubble
46
47// Content view for a bubble with an arrow showing arbitrary content.
48// This is where nonrectangular drawing happens.
49@interface InfoBubbleView : NSView {
50 @private
51  info_bubble::BubbleArrowLocation arrowLocation_;
52  info_bubble::BubbleAlignment alignment_;
53  info_bubble::CornerFlags cornerFlags_;
54  base::scoped_nsobject<NSColor> backgroundColor_;
55}
56
57@property(assign, nonatomic) info_bubble::BubbleArrowLocation arrowLocation;
58@property(assign, nonatomic) info_bubble::BubbleAlignment alignment;
59@property(assign, nonatomic) info_bubble::CornerFlags cornerFlags;
60
61// Returns the point location in view coordinates of the tip of the arrow.
62- (NSPoint)arrowTip;
63
64// Gets and sets the bubble's background color.
65- (NSColor*)backgroundColor;
66- (void)setBackgroundColor:(NSColor*)backgroundColor;
67
68@end
69
70#endif  // CHROME_BROWSER_UI_COCOA_INFO_BUBBLE_VIEW_H_
71