icon_label_bubble_view.h revision 868fa2fe829687343ffae624259930155e16dbd8 
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_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
6#define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
7
8#include <string>
9
10#include "base/strings/string16.h"
11#include "ui/gfx/size.h"
12#include "ui/views/view.h"
13
14namespace gfx {
15class Canvas;
16class Font;
17class ImageSkia;
18}
19
20namespace views {
21class ImageView;
22class Label;
23class Painter;
24}
25
26// View used to draw a bubble to the left of the address, containing an icon and
27// a label.  We use this as a base for the classes that handle the EV bubble and
28// tab-to-search UI.
29class IconLabelBubbleView : public views::View {
30 public:
31  // The label will be positioned |font_y_offset| px. from the top of the view.
32  IconLabelBubbleView(const int background_images[],
33                      int contained_image,
34                      const gfx::Font& font,
35                      int font_y_offset,
36                      SkColor text_color,
37                      SkColor parent_background_color,
38                      bool elide_in_middle);
39  virtual ~IconLabelBubbleView();
40
41  void SetLabel(const string16& label);
42  void SetImage(const gfx::ImageSkia& image);
43  void set_is_extension_icon(bool is_extension_icon) {
44    is_extension_icon_ = is_extension_icon;
45  }
46
47 protected:
48  // views::View:
49  virtual gfx::Size GetPreferredSize() OVERRIDE;
50  virtual void Layout() OVERRIDE;
51
52  gfx::Size GetSizeForLabelWidth(int width) const;
53
54 private:
55  // Amount of padding at the edges of the bubble.  If |by_icon| is true, this
56  // is the padding next to the icon; otherwise it's the padding next to the
57  // label.  (We increase padding next to the label by the amount of padding
58  // "built in" to the icon in order to make the bubble appear to have
59  // symmetrical padding.)
60  static int GetBubbleOuterPadding(bool by_icon);
61
62  // views::View:
63  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
64
65  int GetPreLabelWidth() const;
66
67  // For painting the background.
68  scoped_ptr<views::Painter> background_painter_;
69
70  // The contents of the bubble.
71  views::ImageView* image_;
72  views::Label* label_;
73
74  bool is_extension_icon_;
75
76  DISALLOW_COPY_AND_ASSIGN(IconLabelBubbleView);
77};
78
79#endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
80