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/crashes_ui.h"
6
7 #include <vector>
8
9 #include "base/bind.h"
10 #include "base/bind_helpers.h"
11 #include "base/i18n/time_formatting.h"
12 #include "base/memory/ref_counted_memory.h"
13 #include "base/strings/utf_string_conversions.h"
14 #include "base/values.h"
15 #include "chrome/browser/crash_upload_list.h"
16 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
17 #include "chrome/browser/profiles/profile.h"
18 #include "chrome/common/chrome_version_info.h"
19 #include "chrome/common/url_constants.h"
20 #include "chrome/grit/chromium_strings.h"
21 #include "chrome/grit/generated_resources.h"
22 #include "content/public/browser/web_contents.h"
23 #include "content/public/browser/web_ui.h"
24 #include "content/public/browser/web_ui_data_source.h"
25 #include "content/public/browser/web_ui_message_handler.h"
26 #include "grit/browser_resources.h"
27 #include "grit/theme_resources.h"
28 #include "ui/base/resource/resource_bundle.h"
29
30 #if defined(OS_CHROMEOS)
31 #include "chromeos/dbus/dbus_thread_manager.h"
32 #include "chromeos/dbus/debug_daemon_client.h"
33 #endif
34
35 using content::WebContents;
36 using content::WebUIMessageHandler;
37
38 namespace {
39
CreateCrashesUIHTMLSource()40 content::WebUIDataSource* CreateCrashesUIHTMLSource() {
41 content::WebUIDataSource* source =
42 content::WebUIDataSource::Create(chrome::kChromeUICrashesHost);
43 source->SetUseJsonJSFormatV2();
44
45 source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME);
46 source->AddLocalizedString("crashesTitle", IDS_CRASHES_TITLE);
47 source->AddLocalizedString("crashCountFormat",
48 IDS_CRASHES_CRASH_COUNT_BANNER_FORMAT);
49 source->AddLocalizedString("crashHeaderFormat",
50 IDS_CRASHES_CRASH_HEADER_FORMAT);
51 source->AddLocalizedString("crashTimeFormat", IDS_CRASHES_CRASH_TIME_FORMAT);
52 source->AddLocalizedString("bugLinkText", IDS_CRASHES_BUG_LINK_LABEL);
53 source->AddLocalizedString("noCrashesMessage",
54 IDS_CRASHES_NO_CRASHES_MESSAGE);
55 source->AddLocalizedString("disabledHeader", IDS_CRASHES_DISABLED_HEADER);
56 source->AddLocalizedString("disabledMessage", IDS_CRASHES_DISABLED_MESSAGE);
57 source->AddLocalizedString("uploadCrashesLinkText",
58 IDS_CRASHES_UPLOAD_MESSAGE);
59 source->SetJsonPath("strings.js");
60 source->AddResourcePath("crashes.js", IDR_CRASHES_JS);
61 source->SetDefaultResource(IDR_CRASHES_HTML);
62 return source;
63 }
64
65 ////////////////////////////////////////////////////////////////////////////////
66 //
67 // CrashesDOMHandler
68 //
69 ////////////////////////////////////////////////////////////////////////////////
70
71 // The handler for Javascript messages for the chrome://crashes/ page.
72 class CrashesDOMHandler : public WebUIMessageHandler,
73 public CrashUploadList::Delegate {
74 public:
75 CrashesDOMHandler();
76 virtual ~CrashesDOMHandler();
77
78 // WebUIMessageHandler implementation.
79 virtual void RegisterMessages() OVERRIDE;
80
81 // CrashUploadList::Delegate implemenation.
82 virtual void OnUploadListAvailable() OVERRIDE;
83
84 private:
85 // Asynchronously fetches the list of crashes. Called from JS.
86 void HandleRequestCrashes(const base::ListValue* args);
87
88 #if defined(OS_CHROMEOS)
89 // Asynchronously triggers crash uploading. Called from JS.
90 void HandleRequestUploads(const base::ListValue* args);
91 #endif
92
93 // Sends the recent crashes list JS.
94 void UpdateUI();
95
96 scoped_refptr<CrashUploadList> upload_list_;
97 bool list_available_;
98 bool first_load_;
99
100 DISALLOW_COPY_AND_ASSIGN(CrashesDOMHandler);
101 };
102
CrashesDOMHandler()103 CrashesDOMHandler::CrashesDOMHandler()
104 : list_available_(false), first_load_(true) {
105 upload_list_ = CrashUploadList::Create(this);
106 }
107
~CrashesDOMHandler()108 CrashesDOMHandler::~CrashesDOMHandler() {
109 upload_list_->ClearDelegate();
110 }
111
RegisterMessages()112 void CrashesDOMHandler::RegisterMessages() {
113 upload_list_->LoadUploadListAsynchronously();
114 web_ui()->RegisterMessageCallback("requestCrashList",
115 base::Bind(&CrashesDOMHandler::HandleRequestCrashes,
116 base::Unretained(this)));
117
118 #if defined(OS_CHROMEOS)
119 web_ui()->RegisterMessageCallback("requestCrashUpload",
120 base::Bind(&CrashesDOMHandler::HandleRequestUploads,
121 base::Unretained(this)));
122 #endif
123 }
124
HandleRequestCrashes(const base::ListValue * args)125 void CrashesDOMHandler::HandleRequestCrashes(const base::ListValue* args) {
126 if (first_load_) {
127 first_load_ = false;
128 if (list_available_)
129 UpdateUI();
130 } else {
131 list_available_ = false;
132 upload_list_->LoadUploadListAsynchronously();
133 }
134 }
135
136 #if defined(OS_CHROMEOS)
HandleRequestUploads(const base::ListValue * args)137 void CrashesDOMHandler::HandleRequestUploads(const base::ListValue* args) {
138 chromeos::DebugDaemonClient* debugd_client =
139 chromeos::DBusThreadManager::Get()->GetDebugDaemonClient();
140 DCHECK(debugd_client);
141
142 debugd_client->UploadCrashes();
143 }
144 #endif
145
OnUploadListAvailable()146 void CrashesDOMHandler::OnUploadListAvailable() {
147 list_available_ = true;
148 if (!first_load_)
149 UpdateUI();
150 }
151
UpdateUI()152 void CrashesDOMHandler::UpdateUI() {
153 bool crash_reporting_enabled =
154 ChromeMetricsServiceAccessor::IsCrashReportingEnabled();
155 base::ListValue crash_list;
156 bool system_crash_reporter = false;
157
158 #if defined(OS_CHROMEOS)
159 // Chrome OS has a system crash reporter.
160 system_crash_reporter = true;
161 #endif
162
163 if (crash_reporting_enabled) {
164 std::vector<CrashUploadList::UploadInfo> crashes;
165 upload_list_->GetUploads(50, &crashes);
166
167 for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
168 i != crashes.end(); ++i) {
169 base::DictionaryValue* crash = new base::DictionaryValue();
170 crash->SetString("id", i->id);
171 crash->SetString("time", base::TimeFormatFriendlyDateAndTime(i->time));
172 crash->SetString("local_id", i->local_id);
173 crash_list.Append(crash);
174 }
175 }
176
177 base::FundamentalValue enabled(crash_reporting_enabled);
178 base::FundamentalValue dynamic_backend(system_crash_reporter);
179
180 const chrome::VersionInfo version_info;
181 base::StringValue version(version_info.Version());
182
183 web_ui()->CallJavascriptFunction("updateCrashList", enabled, dynamic_backend,
184 crash_list, version);
185 }
186
187 } // namespace
188
189 ///////////////////////////////////////////////////////////////////////////////
190 //
191 // CrashesUI
192 //
193 ///////////////////////////////////////////////////////////////////////////////
194
CrashesUI(content::WebUI * web_ui)195 CrashesUI::CrashesUI(content::WebUI* web_ui) : WebUIController(web_ui) {
196 web_ui->AddMessageHandler(new CrashesDOMHandler());
197
198 // Set up the chrome://crashes/ source.
199 Profile* profile = Profile::FromWebUI(web_ui);
200 content::WebUIDataSource::Add(profile, CreateCrashesUIHTMLSource());
201 }
202
203 // static
GetFaviconResourceBytes(ui::ScaleFactor scale_factor)204 base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
205 ui::ScaleFactor scale_factor) {
206 return ResourceBundle::GetSharedInstance().
207 LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor);
208 }
209