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
36using content::WebContents;
37using content::WebUIMessageHandler;
38
39namespace {
40
41content::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.
73class 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
104CrashesDOMHandler::CrashesDOMHandler()
105    : list_available_(false), first_load_(true) {
106  upload_list_ = CrashUploadList::Create(this);
107}
108
109CrashesDOMHandler::~CrashesDOMHandler() {
110  upload_list_->ClearDelegate();
111}
112
113void 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
126void 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)
138void 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
147void CrashesDOMHandler::OnUploadListAvailable() {
148  list_available_ = true;
149  if (!first_load_)
150    UpdateUI();
151}
152
153void 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
196CrashesUI::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
205base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
206      ui::ScaleFactor scale_factor) {
207  return ResourceBundle::GetSharedInstance().
208      LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor);
209}
210