chrome/browser/ui/cocoa/info_bubble_view.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_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
  12 namespace info_bubble {
  13
  14 // These values are in view coordinates.
  15 const CGFloat kBubbleArrowHeight = 8.0;
  16 const CGFloat kBubbleArrowWidth = 15.0;
  17 const CGFloat kBubbleCornerRadius = 2.0;
  18 const CGFloat kBubbleArrowXOffset = kBubbleArrowWidth + kBubbleCornerRadius;
  19
  20 // Constants that define where the bubble will have rounded corners.
  21 enum CornerFlags {
  22   kRoundedTopCorners = 1,
  23   kRoundedBottomCorners = 1 << 1,
  24   kRoundedAllCorners = kRoundedTopCorners | kRoundedBottomCorners,
  25 };
  26
  27 enum BubbleArrowLocation {
  28   kTopLeft,
  29   kTopCenter,
  30   kTopRight,
  31   kNoArrow,
  32 };
  33
  34 enum 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_