keyword_hint_view.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c 
1// Copyright (c) 2011 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_KEYWORD_HINT_VIEW_H_
6#define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_KEYWORD_HINT_VIEW_H_
7
8#include <string>
9
10#include "base/compiler_specific.h"
11#include "ui/gfx/size.h"
12#include "ui/views/view.h"
13
14class LocationBarView;
15class Profile;
16
17namespace gfx {
18class Font;
19}
20
21namespace views {
22class ImageView;
23class Label;
24}
25
26// KeywordHintView is used by the location bar view to display a hint to the
27// user when the selected url has a corresponding keyword.
28//
29// Internally KeywordHintView uses two labels to render the text, and draws
30// the tab image itself.
31//
32// NOTE: This should really be called LocationBarKeywordHintView, but I
33// couldn't bring myself to use such a long name.
34class KeywordHintView : public views::View {
35 public:
36  KeywordHintView(Profile* profile,
37                  const gfx::Font& font,
38                  int font_y_offset,
39                  const LocationBarView* location_bar_view);
40  virtual ~KeywordHintView();
41
42  void SetKeyword(const string16& keyword);
43  string16 keyword() const { return keyword_; }
44
45  virtual gfx::Size GetPreferredSize() OVERRIDE;
46  // The minimum size is just big enough to show the tab.
47  virtual gfx::Size GetMinimumSize() OVERRIDE;
48  virtual void Layout() OVERRIDE;
49
50 private:
51  views::Label* CreateLabel(const gfx::Font& font,
52                            int font_y_offset,
53                            const LocationBarView* location_bar_view);
54
55  Profile* profile_;
56  views::Label* leading_label_;
57  views::ImageView* tab_image_;
58  views::Label* trailing_label_;
59  string16 keyword_;
60
61  DISALLOW_COPY_AND_ASSIGN(KeywordHintView);
62};
63
64#endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_KEYWORD_HINT_VIEW_H_
65