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
35using content::WebContents;
36using content::WebUIMessageHandler;
37
38namespace {
39
40content::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.
72class 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
103CrashesDOMHandler::CrashesDOMHandler()
104    : list_available_(false), first_load_(true) {
105  upload_list_ = CrashUploadList::Create(this);
106}
107
108CrashesDOMHandler::~CrashesDOMHandler() {
109  upload_list_->ClearDelegate();
110}
111
112void 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
125void 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)
137void 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
146void CrashesDOMHandler::OnUploadListAvailable() {
147  list_available_ = true;
148  if (!first_load_)
149    UpdateUI();
150}
151
152void 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
195CrashesUI::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
204base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
205      ui::ScaleFactor scale_factor) {
206  return ResourceBundle::GetSharedInstance().
207      LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor);
208}
209