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#include "chrome/browser/ui/views/location_bar/keyword_hint_view.h"
6
7#include <vector>
8
9#include "base/logging.h"
10#include "base/strings/utf_string_conversions.h"
11#include "chrome/app/chrome_command_ids.h"
12#include "chrome/browser/profiles/profile.h"
13#include "chrome/browser/search_engines/template_url_service_factory.h"
14#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
15#include "chrome/grit/generated_resources.h"
16#include "components/search_engines/template_url_service.h"
17#include "grit/theme_resources.h"
18#include "ui/base/l10n/l10n_util.h"
19#include "ui/base/resource/resource_bundle.h"
20#include "ui/gfx/canvas.h"
21#include "ui/views/controls/image_view.h"
22#include "ui/views/controls/label.h"
23
24
25KeywordHintView::KeywordHintView(Profile* profile,
26                                 const gfx::FontList& font_list,
27                                 SkColor text_color,
28                                 SkColor background_color)
29    : profile_(profile),
30      tab_image_(new views::ImageView()) {
31  leading_label_ =
32      CreateLabel(font_list, text_color, background_color);
33  tab_image_->SetImage(
34      ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
35          IDR_OMNIBOX_KEYWORD_HINT_TAB));
36  AddChildView(tab_image_);
37  trailing_label_ =
38      CreateLabel(font_list, text_color, background_color);
39}
40
41KeywordHintView::~KeywordHintView() {
42}
43
44void KeywordHintView::SetKeyword(const base::string16& keyword) {
45  keyword_ = keyword;
46  if (keyword_.empty())
47    return;
48  DCHECK(profile_);
49  TemplateURLService* url_service =
50      TemplateURLServiceFactory::GetForProfile(profile_);
51  if (!url_service)
52    return;
53
54  std::vector<size_t> content_param_offsets;
55  bool is_extension_keyword;
56  base::string16 short_name(
57      url_service->GetKeywordShortName(keyword, &is_extension_keyword));
58  int message_id = is_extension_keyword ?
59      IDS_OMNIBOX_EXTENSION_KEYWORD_HINT : IDS_OMNIBOX_KEYWORD_HINT;
60  const base::string16 keyword_hint = l10n_util::GetStringFUTF16(
61      message_id, base::string16(), short_name, &content_param_offsets);
62  DCHECK_EQ(2U, content_param_offsets.size());
63  leading_label_->SetText(
64      keyword_hint.substr(0, content_param_offsets.front()));
65  trailing_label_->SetText(keyword_hint.substr(content_param_offsets.front()));
66}
67
68gfx::Size KeywordHintView::GetPreferredSize() const {
69  // Height will be ignored by the LocationBarView.
70  return gfx::Size(leading_label_->GetPreferredSize().width() +
71                       tab_image_->GetPreferredSize().width() +
72                       trailing_label_->GetPreferredSize().width(),
73                   0);
74}
75
76gfx::Size KeywordHintView::GetMinimumSize() const {
77  // Height will be ignored by the LocationBarView.
78  return tab_image_->GetPreferredSize();
79}
80
81void KeywordHintView::Layout() {
82  int tab_width = tab_image_->GetPreferredSize().width();
83  bool show_labels = (width() != tab_width);
84  gfx::Size leading_size(leading_label_->GetPreferredSize());
85  leading_label_->SetBounds(0, 0, show_labels ? leading_size.width() : 0,
86                            height());
87  tab_image_->SetBounds(leading_label_->bounds().right(), 0, tab_width,
88                        height());
89  gfx::Size trailing_size(trailing_label_->GetPreferredSize());
90  trailing_label_->SetBounds(tab_image_->bounds().right(), 0,
91                             show_labels ? trailing_size.width() : 0,
92                             height());
93}
94
95views::Label* KeywordHintView::CreateLabel(const gfx::FontList& font_list,
96                                           SkColor text_color,
97                                           SkColor background_color) {
98  views::Label* label = new views::Label(base::string16(), font_list);
99  label->SetEnabledColor(text_color);
100  label->SetBackgroundColor(background_color);
101  AddChildView(label);
102  return label;
103}
104