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 "content/public/browser/web_contents.h"
21 #include "content/public/browser/web_ui.h"
22 #include "content/public/browser/web_ui_data_source.h"
23 #include "content/public/browser/web_ui_message_handler.h"
24 #include "grit/browser_resources.h"
25 #include "grit/chromium_strings.h"
26 #include "grit/generated_resources.h"
27 #include "grit/theme_resources.h"
28 #include "ui/base/l10n/l10n_util.h"
29 #include "ui/base/resource/resource_bundle.h"
30
31 #if defined(OS_CHROMEOS)
32 #include "chromeos/dbus/dbus_thread_manager.h"
33 #include "chromeos/dbus/debug_daemon_client.h"
34 #endif
35
36 using content::WebContents;
37 using content::WebUIMessageHandler;
38
39 namespace {
40
CreateCrashesUIHTMLSource()41 content::WebUIDataSource* CreateCrashesUIHTMLSource() {
42 content::WebUIDataSource* source =
43 content::WebUIDataSource::Create(chrome::kChromeUICrashesHost);
44 source->SetUseJsonJSFormatV2();
45
46 source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME);
47 source->AddLocalizedString("crashesTitle", IDS_CRASHES_TITLE);
48 source->AddLocalizedString("crashCountFormat",
49 IDS_CRASHES_CRASH_COUNT_BANNER_FORMAT);
50 source->AddLocalizedString("crashHeaderFormat",
51 IDS_CRASHES_CRASH_HEADER_FORMAT);
52 source->AddLocalizedString("crashTimeFormat", IDS_CRASHES_CRASH_TIME_FORMAT);
53 source->AddLocalizedString("bugLinkText", IDS_CRASHES_BUG_LINK_LABEL);
54 source->AddLocalizedString("noCrashesMessage",
55 IDS_CRASHES_NO_CRASHES_MESSAGE);
56 source->AddLocalizedString("disabledHeader", IDS_CRASHES_DISABLED_HEADER);
57 source->AddLocalizedString("disabledMessage", IDS_CRASHES_DISABLED_MESSAGE);
58 source->AddLocalizedString("uploadCrashesLinkText",
59 IDS_CRASHES_UPLOAD_MESSAGE);
60 source->SetJsonPath("strings.js");
61 source->AddResourcePath("crashes.js", IDR_CRASHES_JS);
62 source->SetDefaultResource(IDR_CRASHES_HTML);
63 return source;
64 }
65
66 ////////////////////////////////////////////////////////////////////////////////
67 //
68 // CrashesDOMHandler
69 //
70 ////////////////////////////////////////////////////////////////////////////////
71
72 // The handler for Javascript messages for the chrome://crashes/ page.
73 class CrashesDOMHandler : public WebUIMessageHandler,
74 public CrashUploadList::Delegate {
75 public:
76 explicit CrashesDOMHandler();
77 virtual ~CrashesDOMHandler();
78
79 // WebUIMessageHandler implementation.
80 virtual void RegisterMessages() OVERRIDE;
81
82 // CrashUploadList::Delegate implemenation.
83 virtual void OnUploadListAvailable() OVERRIDE;
84
85 private:
86 // Asynchronously fetches the list of crashes. Called from JS.
87 void HandleRequestCrashes(const base::ListValue* args);
88
89 #if defined(OS_CHROMEOS)
90 // Asynchronously triggers crash uploading. Called from JS.
91 void HandleRequestUploads(const base::ListValue* args);
92 #endif
93
94 // Sends the recent crashes list JS.
95 void UpdateUI();
96
97 scoped_refptr<CrashUploadList> upload_list_;
98 bool list_available_;
99 bool first_load_;
100
101 DISALLOW_COPY_AND_ASSIGN(CrashesDOMHandler);
102 };
103
CrashesDOMHandler()104 CrashesDOMHandler::CrashesDOMHandler()
105 : list_available_(false), first_load_(true) {
106 upload_list_ = CrashUploadList::Create(this);
107 }
108
~CrashesDOMHandler()109 CrashesDOMHandler::~CrashesDOMHandler() {
110 upload_list_->ClearDelegate();
111 }
112
RegisterMessages()113 void CrashesDOMHandler::RegisterMessages() {
114 upload_list_->LoadUploadListAsynchronously();
115 web_ui()->RegisterMessageCallback("requestCrashList",
116 base::Bind(&CrashesDOMHandler::HandleRequestCrashes,
117 base::Unretained(this)));
118
119 #if defined(OS_CHROMEOS)
120 web_ui()->RegisterMessageCallback("requestCrashUpload",
121 base::Bind(&CrashesDOMHandler::HandleRequestUploads,
122 base::Unretained(this)));
123 #endif
124 }
125
HandleRequestCrashes(const base::ListValue * args)126 void CrashesDOMHandler::HandleRequestCrashes(const base::ListValue* args) {
127 if (first_load_) {
128 first_load_ = false;
129 if (list_available_)
130 UpdateUI();
131 } else {
132 list_available_ = false;
133 upload_list_->LoadUploadListAsynchronously();
134 }
135 }
136
137 #if defined(OS_CHROMEOS)
HandleRequestUploads(const base::ListValue * args)138 void CrashesDOMHandler::HandleRequestUploads(const base::ListValue* args) {
139 chromeos::DebugDaemonClient* debugd_client =
140 chromeos::DBusThreadManager::Get()->GetDebugDaemonClient();
141 DCHECK(debugd_client);
142
143 debugd_client->UploadCrashes();
144 }
145 #endif
146
OnUploadListAvailable()147 void CrashesDOMHandler::OnUploadListAvailable() {
148 list_available_ = true;
149 if (!first_load_)
150 UpdateUI();
151 }
152
UpdateUI()153 void CrashesDOMHandler::UpdateUI() {
154 bool crash_reporting_enabled =
155 ChromeMetricsServiceAccessor::IsCrashReportingEnabled();
156 base::ListValue crash_list;
157 bool system_crash_reporter = false;
158
159 #if defined(OS_CHROMEOS)
160 // Chrome OS has a system crash reporter.
161 system_crash_reporter = true;
162 #endif
163
164 if (crash_reporting_enabled) {
165 std::vector<CrashUploadList::UploadInfo> crashes;
166 upload_list_->GetUploads(50, &crashes);
167
168 for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
169 i != crashes.end(); ++i) {
170 base::DictionaryValue* crash = new base::DictionaryValue();
171 crash->SetString("id", i->id);
172 crash->SetString("time", base::TimeFormatFriendlyDateAndTime(i->time));
173 crash->SetString("local_id", i->local_id);
174 crash_list.Append(crash);
175 }
176 }
177
178 base::FundamentalValue enabled(crash_reporting_enabled);
179 base::FundamentalValue dynamic_backend(system_crash_reporter);
180
181 const chrome::VersionInfo version_info;
182 base::StringValue version(version_info.Version());
183
184 web_ui()->CallJavascriptFunction("updateCrashList", enabled, dynamic_backend,
185 crash_list, version);
186 }
187
188 } // namespace
189
190 ///////////////////////////////////////////////////////////////////////////////
191 //
192 // CrashesUI
193 //
194 ///////////////////////////////////////////////////////////////////////////////
195
CrashesUI(content::WebUI * web_ui)196 CrashesUI::CrashesUI(content::WebUI* web_ui) : WebUIController(web_ui) {
197 web_ui->AddMessageHandler(new CrashesDOMHandler());
198
199 // Set up the chrome://crashes/ source.
200 Profile* profile = Profile::FromWebUI(web_ui);
201 content::WebUIDataSource::Add(profile, CreateCrashesUIHTMLSource());
202 }
203
204 // static
GetFaviconResourceBytes(ui::ScaleFactor scale_factor)205 base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
206 ui::ScaleFactor scale_factor) {
207 return ResourceBundle::GetSharedInstance().
208 LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor);
209 }
210