icon_label_bubble_view.h revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
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/controls/label.h"
13#include "ui/views/view.h"
14
15namespace gfx {
16class Canvas;
17class FontList;
18class ImageSkia;
19}
20
21namespace views {
22class ImageView;
23class Label;
24class Painter;
25}
26
27// View used to draw a bubble to the left of the address, containing an icon and
28// a label.  We use this as a base for the classes that handle the EV bubble and
29// tab-to-search UI.
30class IconLabelBubbleView : public views::View {
31 public:
32  // |hover_background_images| is an optional set of images to be used in place
33  // of |background_images| during mouse hover.
34  IconLabelBubbleView(const int background_images[],
35                      const int hover_background_images[],
36                      int contained_image,
37                      const gfx::FontList& font_list,
38                      SkColor text_color,
39                      SkColor parent_background_color,
40                      bool elide_in_middle);
41  virtual ~IconLabelBubbleView();
42
43  void SetLabel(const base::string16& label);
44  void SetImage(const gfx::ImageSkia& image);
45  void set_is_extension_icon(bool is_extension_icon) {
46    is_extension_icon_ = is_extension_icon;
47  }
48
49 protected:
50  // views::View:
51  virtual gfx::Size GetPreferredSize() const OVERRIDE;
52  virtual void Layout() OVERRIDE;
53  virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
54  virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
55
56  const gfx::FontList& font_list() const { return label_->font_list(); }
57
58  gfx::Size GetSizeForLabelWidth(int width) const;
59
60 private:
61  // Amount of padding at the edges of the bubble.  If |by_icon| is true, this
62  // is the padding next to the icon; otherwise it's the padding next to the
63  // label.  (We increase padding next to the label by the amount of padding
64  // "built in" to the icon in order to make the bubble appear to have
65  // symmetrical padding.)
66  static int GetBubbleOuterPadding(bool by_icon);
67
68  // views::View:
69  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
70
71  int GetPreLabelWidth() const;
72
73  // For painting the background.
74  scoped_ptr<views::Painter> background_painter_;
75  scoped_ptr<views::Painter> hover_background_painter_;
76
77  // The contents of the bubble.
78  views::ImageView* image_;
79  views::Label* label_;
80
81  bool is_extension_icon_;
82  bool in_hover_;
83
84  DISALLOW_COPY_AND_ASSIGN(IconLabelBubbleView);
85};
86
87#endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
88