1 // Copyright 2013 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/system_info_ui.h" 6 7 #include "base/bind.h" 8 #include "base/bind_helpers.h" 9 #include "base/memory/ref_counted_memory.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/weak_ptr.h" 12 #include "base/message_loop/message_loop.h" 13 #include "base/path_service.h" 14 #include "base/strings/string_piece.h" 15 #include "base/strings/string_util.h" 16 #include "base/strings/utf_string_conversions.h" 17 #include "base/synchronization/waitable_event.h" 18 #include "base/threading/thread.h" 19 #include "base/time/time.h" 20 #include "base/values.h" 21 #include "chrome/browser/feedback/system_logs/about_system_logs_fetcher.h" 22 #include "chrome/browser/profiles/profile.h" 23 #include "chrome/common/chrome_paths.h" 24 #include "chrome/common/url_constants.h" 25 #include "chrome/grit/chromium_strings.h" 26 #include "chrome/grit/generated_resources.h" 27 #include "chrome/grit/locale_settings.h" 28 #include "content/public/browser/url_data_source.h" 29 #include "content/public/browser/web_contents.h" 30 #include "content/public/browser/web_ui.h" 31 #include "content/public/browser/web_ui_message_handler.h" 32 #include "grit/browser_resources.h" 33 #include "net/base/directory_lister.h" 34 #include "net/base/escape.h" 35 #include "ui/base/l10n/l10n_util.h" 36 #include "ui/base/resource/resource_bundle.h" 37 #include "ui/base/webui/jstemplate_builder.h" 38 #include "ui/base/webui/web_ui_util.h" 39 40 using content::WebContents; 41 using content::WebUIMessageHandler; 42 using system_logs::SystemLogsResponse; 43 using system_logs::AboutSystemLogsFetcher; 44 45 class SystemInfoUIHTMLSource : public content::URLDataSource{ 46 public: 47 SystemInfoUIHTMLSource(); 48 49 // content::URLDataSource implementation. 50 virtual std::string GetSource() const OVERRIDE; 51 virtual void StartDataRequest( 52 const std::string& path, 53 int render_process_id, 54 int render_frame_id, 55 const content::URLDataSource::GotDataCallback& callback) OVERRIDE; 56 virtual std::string GetMimeType(const std::string&) const OVERRIDE { 57 return "text/html"; 58 } 59 virtual bool ShouldAddContentSecurityPolicy() const OVERRIDE { 60 return false; 61 } 62 63 private: 64 virtual ~SystemInfoUIHTMLSource() {} 65 66 void SysInfoComplete(scoped_ptr<SystemLogsResponse> response); 67 void RequestComplete(); 68 void WaitForData(); 69 70 // Stored data from StartDataRequest() 71 std::string path_; 72 content::URLDataSource::GotDataCallback callback_; 73 74 scoped_ptr<SystemLogsResponse> response_; 75 base::WeakPtrFactory<SystemInfoUIHTMLSource> weak_ptr_factory_; 76 DISALLOW_COPY_AND_ASSIGN(SystemInfoUIHTMLSource); 77 }; 78 79 // The handler for Javascript messages related to the "system" view. 80 class SystemInfoHandler : public WebUIMessageHandler, 81 public base::SupportsWeakPtr<SystemInfoHandler> { 82 public: 83 SystemInfoHandler(); 84 virtual ~SystemInfoHandler(); 85 86 // WebUIMessageHandler implementation. 87 virtual void RegisterMessages() OVERRIDE; 88 89 private: 90 DISALLOW_COPY_AND_ASSIGN(SystemInfoHandler); 91 }; 92 93 //////////////////////////////////////////////////////////////////////////////// 94 // 95 // SystemInfoUIHTMLSource 96 // 97 //////////////////////////////////////////////////////////////////////////////// 98 99 SystemInfoUIHTMLSource::SystemInfoUIHTMLSource() : weak_ptr_factory_(this) {} 100 101 std::string SystemInfoUIHTMLSource::GetSource() const { 102 return chrome::kChromeUISystemInfoHost; 103 } 104 105 void SystemInfoUIHTMLSource::StartDataRequest( 106 const std::string& path, 107 int render_process_id, 108 int render_frame_id, 109 const content::URLDataSource::GotDataCallback& callback) { 110 path_ = path; 111 callback_ = callback; 112 113 AboutSystemLogsFetcher* fetcher = new AboutSystemLogsFetcher(); 114 fetcher->Fetch(base::Bind(&SystemInfoUIHTMLSource::SysInfoComplete, 115 weak_ptr_factory_.GetWeakPtr())); 116 } 117 118 119 void SystemInfoUIHTMLSource::SysInfoComplete( 120 scoped_ptr<SystemLogsResponse> sys_info) { 121 response_ = sys_info.Pass(); 122 RequestComplete(); 123 } 124 125 void SystemInfoUIHTMLSource::RequestComplete() { 126 base::DictionaryValue strings; 127 strings.SetString("title", l10n_util::GetStringUTF16(IDS_ABOUT_SYS_TITLE)); 128 strings.SetString("description", 129 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_DESC)); 130 strings.SetString("tableTitle", 131 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_TABLE_TITLE)); 132 strings.SetString( 133 "logFileTableTitle", 134 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_LOG_FILE_TABLE_TITLE)); 135 strings.SetString("expandAllBtn", 136 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_EXPAND_ALL)); 137 strings.SetString("collapseAllBtn", 138 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_COLLAPSE_ALL)); 139 strings.SetString("expandBtn", 140 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_EXPAND)); 141 strings.SetString("collapseBtn", 142 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_COLLAPSE)); 143 strings.SetString("parseError", 144 l10n_util::GetStringUTF16(IDS_ABOUT_SYS_PARSE_ERROR)); 145 webui::SetFontAndTextDirection(&strings); 146 if (response_.get()) { 147 base::ListValue* details = new base::ListValue(); 148 strings.Set("details", details); 149 for (SystemLogsResponse::const_iterator it = response_->begin(); 150 it != response_->end(); 151 ++it) { 152 base::DictionaryValue* val = new base::DictionaryValue; 153 val->SetString("statName", it->first); 154 val->SetString("statValue", it->second); 155 details->Append(val); 156 } 157 } 158 static const base::StringPiece systeminfo_html( 159 ResourceBundle::GetSharedInstance().GetRawDataResource( 160 IDR_ABOUT_SYS_HTML)); 161 webui::UseVersion2 version2; 162 std::string full_html = webui::GetI18nTemplateHtml(systeminfo_html, &strings); 163 callback_.Run(base::RefCountedString::TakeString(&full_html)); 164 } 165 166 //////////////////////////////////////////////////////////////////////////////// 167 // 168 // SystemInfoHandler 169 // 170 //////////////////////////////////////////////////////////////////////////////// 171 SystemInfoHandler::SystemInfoHandler() { 172 } 173 174 SystemInfoHandler::~SystemInfoHandler() { 175 } 176 177 void SystemInfoHandler::RegisterMessages() { 178 // TODO(stevenjb): add message registration, callbacks... 179 } 180 181 //////////////////////////////////////////////////////////////////////////////// 182 // 183 // SystemInfoUI 184 // 185 //////////////////////////////////////////////////////////////////////////////// 186 187 SystemInfoUI::SystemInfoUI(content::WebUI* web_ui) : WebUIController(web_ui) { 188 SystemInfoHandler* handler = new SystemInfoHandler(); 189 web_ui->AddMessageHandler(handler); 190 SystemInfoUIHTMLSource* html_source = new SystemInfoUIHTMLSource(); 191 192 // Set up the chrome://system/ source. 193 Profile* profile = Profile::FromWebUI(web_ui); 194 content::URLDataSource::Add(profile, html_source); 195 } 196
