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/webui/conflicts_ui.h"
6
7 #if defined(OS_WIN)
8
9 #include <string>
10
11 #include "base/bind.h"
12 #include "base/bind_helpers.h"
13 #include "base/memory/ref_counted_memory.h"
14 #include "base/strings/string_number_conversions.h"
15 #include "base/strings/utf_string_conversions.h"
16 #include "base/values.h"
17 #include "chrome/browser/chrome_notification_types.h"
18 #include "chrome/browser/enumerate_modules_model_win.h"
19 #include "chrome/browser/profiles/profile.h"
20 #include "chrome/common/url_constants.h"
21 #include "chrome/grit/chromium_strings.h"
22 #include "chrome/grit/generated_resources.h"
23 #include "content/public/browser/notification_observer.h"
24 #include "content/public/browser/notification_registrar.h"
25 #include "content/public/browser/notification_service.h"
26 #include "content/public/browser/user_metrics.h"
27 #include "content/public/browser/web_contents.h"
28 #include "content/public/browser/web_ui.h"
29 #include "content/public/browser/web_ui_data_source.h"
30 #include "content/public/browser/web_ui_message_handler.h"
31 #include "grit/browser_resources.h"
32 #include "grit/components_strings.h"
33 #include "grit/theme_resources.h"
34 #include "ui/base/l10n/l10n_util.h"
35 #include "ui/base/layout.h"
36 #include "ui/base/resource/resource_bundle.h"
37
38 using base::UserMetricsAction;
39 using content::WebContents;
40 using content::WebUIMessageHandler;
41
42 namespace {
43
CreateConflictsUIHTMLSource()44 content::WebUIDataSource* CreateConflictsUIHTMLSource() {
45 content::WebUIDataSource* source =
46 content::WebUIDataSource::Create(chrome::kChromeUIConflictsHost);
47
48 source->SetUseJsonJSFormatV2();
49 source->AddLocalizedString("loadingMessage", IDS_CONFLICTS_LOADING_MESSAGE);
50 source->AddLocalizedString("modulesLongTitle",
51 IDS_CONFLICTS_CHECK_PAGE_TITLE_LONG);
52 source->AddLocalizedString("modulesBlurb", IDS_CONFLICTS_EXPLANATION_TEXT);
53 source->AddLocalizedString("moduleSuspectedBad",
54 IDS_CONFLICTS_CHECK_WARNING_SUSPECTED);
55 source->AddLocalizedString("moduleConfirmedBad",
56 IDS_CONFLICTS_CHECK_WARNING_CONFIRMED);
57 source->AddLocalizedString("helpCenterLink", IDS_LEARN_MORE);
58 source->AddLocalizedString("investigatingText",
59 IDS_CONFLICTS_CHECK_INVESTIGATING);
60 source->AddLocalizedString("modulesNoneLoaded",
61 IDS_CONFLICTS_NO_MODULES_LOADED);
62 source->AddLocalizedString("headerSoftware", IDS_CONFLICTS_HEADER_SOFTWARE);
63 source->AddLocalizedString("headerSignedBy", IDS_CONFLICTS_HEADER_SIGNED_BY);
64 source->AddLocalizedString("headerLocation", IDS_CONFLICTS_HEADER_LOCATION);
65 source->AddLocalizedString("headerVersion", IDS_CONFLICTS_HEADER_VERSION);
66 source->AddLocalizedString("headerHelpTip", IDS_CONFLICTS_HEADER_HELP_TIP);
67 source->SetJsonPath("strings.js");
68 source->AddResourcePath("conflicts.js", IDR_ABOUT_CONFLICTS_JS);
69 source->SetDefaultResource(IDR_ABOUT_CONFLICTS_HTML);
70 return source;
71 }
72
73 ////////////////////////////////////////////////////////////////////////////////
74 //
75 // ConflictsDOMHandler
76 //
77 ////////////////////////////////////////////////////////////////////////////////
78
79 // The handler for JavaScript messages for the about:flags page.
80 class ConflictsDOMHandler : public WebUIMessageHandler,
81 public content::NotificationObserver {
82 public:
ConflictsDOMHandler()83 ConflictsDOMHandler() {}
~ConflictsDOMHandler()84 virtual ~ConflictsDOMHandler() {}
85
86 // WebUIMessageHandler implementation.
87 virtual void RegisterMessages();
88
89 // Callback for the "requestModuleList" message.
90 void HandleRequestModuleList(const base::ListValue* args);
91
92 private:
93 void SendModuleList();
94
95 void Observe(int type,
96 const content::NotificationSource& source,
97 const content::NotificationDetails& details);
98
99 content::NotificationRegistrar registrar_;
100
101 DISALLOW_COPY_AND_ASSIGN(ConflictsDOMHandler);
102 };
103
RegisterMessages()104 void ConflictsDOMHandler::RegisterMessages() {
105 web_ui()->RegisterMessageCallback("requestModuleList",
106 base::Bind(&ConflictsDOMHandler::HandleRequestModuleList,
107 base::Unretained(this)));
108 }
109
HandleRequestModuleList(const base::ListValue * args)110 void ConflictsDOMHandler::HandleRequestModuleList(const base::ListValue* args) {
111 // This request is handled asynchronously. See Observe for when we reply back.
112 registrar_.Add(this, chrome::NOTIFICATION_MODULE_LIST_ENUMERATED,
113 content::NotificationService::AllSources());
114 EnumerateModulesModel::GetInstance()->ScanNow();
115 }
116
SendModuleList()117 void ConflictsDOMHandler::SendModuleList() {
118 EnumerateModulesModel* loaded_modules = EnumerateModulesModel::GetInstance();
119 base::ListValue* list = loaded_modules->GetModuleList();
120 base::DictionaryValue results;
121 results.Set("moduleList", list);
122
123 // Add the section title and the total count for bad modules found.
124 int confirmed_bad = loaded_modules->confirmed_bad_modules_detected();
125 int suspected_bad = loaded_modules->suspected_bad_modules_detected();
126 base::string16 table_title;
127 if (!confirmed_bad && !suspected_bad) {
128 table_title += l10n_util::GetStringFUTF16(
129 IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_ONE,
130 base::IntToString16(list->GetSize()));
131 } else {
132 table_title += l10n_util::GetStringFUTF16(
133 IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_TWO,
134 base::IntToString16(list->GetSize()),
135 base::IntToString16(confirmed_bad),
136 base::IntToString16(suspected_bad));
137 }
138 results.SetString("modulesTableTitle", table_title);
139
140 web_ui()->CallJavascriptFunction("returnModuleList", results);
141 }
142
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)143 void ConflictsDOMHandler::Observe(int type,
144 const content::NotificationSource& source,
145 const content::NotificationDetails& details) {
146 switch (type) {
147 case chrome::NOTIFICATION_MODULE_LIST_ENUMERATED:
148 SendModuleList();
149 registrar_.RemoveAll();
150 break;
151 default:
152 NOTREACHED();
153 break;
154 }
155 }
156
157 } // namespace
158
159 ///////////////////////////////////////////////////////////////////////////////
160 //
161 // ConflictsUI
162 //
163 ///////////////////////////////////////////////////////////////////////////////
164
ConflictsUI(content::WebUI * web_ui)165 ConflictsUI::ConflictsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
166 content::RecordAction(UserMetricsAction("ViewAboutConflicts"));
167 web_ui->AddMessageHandler(new ConflictsDOMHandler());
168
169 // Set up the about:conflicts source.
170 Profile* profile = Profile::FromWebUI(web_ui);
171 content::WebUIDataSource::Add(profile, CreateConflictsUIHTMLSource());
172 }
173
174 // static
GetFaviconResourceBytes(ui::ScaleFactor scale_factor)175 base::RefCountedMemory* ConflictsUI::GetFaviconResourceBytes(
176 ui::ScaleFactor scale_factor) {
177 return static_cast<base::RefCountedMemory*>(
178 ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
179 IDR_CONFLICT_FAVICON, scale_factor));
180 }
181
182 #endif
183