chrome/browser/ui/webui/system_info_ui.cc

   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/strings/string_piece.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "base/synchronization/waitable_event.h"
  17 #include "base/threading/thread.h"
  18 #include "base/time/time.h"
  19 #include "base/values.h"
  20 #include "chrome/browser/browser_process.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   std::string GetSource() const override;
  51   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   std::string GetMimeType(const std::string&) const override {
  57     return "text/html";
  58   }
  59   bool ShouldAddContentSecurityPolicy() const override { return false; }
  60
  61  private:
  62   ~SystemInfoUIHTMLSource() override {}
  63
  64   void SysInfoComplete(scoped_ptr<SystemLogsResponse> response);
  65   void RequestComplete();
  66   void WaitForData();
  67
  68   // Stored data from StartDataRequest()
  69   std::string path_;
  70   content::URLDataSource::GotDataCallback callback_;
  71
  72   scoped_ptr<SystemLogsResponse> response_;
  73   base::WeakPtrFactory<SystemInfoUIHTMLSource> weak_ptr_factory_;
  74   DISALLOW_COPY_AND_ASSIGN(SystemInfoUIHTMLSource);
  75 };
  76
  77 // The handler for Javascript messages related to the "system" view.
  78 class SystemInfoHandler : public WebUIMessageHandler,
  79                           public base::SupportsWeakPtr<SystemInfoHandler> {
  80  public:
  81   SystemInfoHandler();
  82   ~SystemInfoHandler() override;
  83
  84   // WebUIMessageHandler implementation.
  85   void RegisterMessages() override;
  86
  87  private:
  88   DISALLOW_COPY_AND_ASSIGN(SystemInfoHandler);
  89 };
  90
  91 ////////////////////////////////////////////////////////////////////////////////
  92 //
  93 // SystemInfoUIHTMLSource
  94 //
  95 ////////////////////////////////////////////////////////////////////////////////
  96
  97 SystemInfoUIHTMLSource::SystemInfoUIHTMLSource() : weak_ptr_factory_(this) {}
  98
  99 std::string SystemInfoUIHTMLSource::GetSource() const {
 100   return chrome::kChromeUISystemInfoHost;
 101 }
 102
 103 void SystemInfoUIHTMLSource::StartDataRequest(
 104     const std::string& path,
 105     int render_process_id,
 106     int render_frame_id,
 107     const content::URLDataSource::GotDataCallback& callback) {
 108   path_ = path;
 109   callback_ = callback;
 110
 111   AboutSystemLogsFetcher* fetcher = new AboutSystemLogsFetcher();
 112   fetcher->Fetch(base::Bind(&SystemInfoUIHTMLSource::SysInfoComplete,
 113                             weak_ptr_factory_.GetWeakPtr()));
 114 }
 115
 116
 117 void SystemInfoUIHTMLSource::SysInfoComplete(
 118     scoped_ptr<SystemLogsResponse> sys_info) {
 119   response_ = sys_info.Pass();
 120   RequestComplete();
 121 }
 122
 123 void SystemInfoUIHTMLSource::RequestComplete() {
 124   base::DictionaryValue strings;
 125   strings.SetString("title", l10n_util::GetStringUTF16(IDS_ABOUT_SYS_TITLE));
 126   strings.SetString("description",
 127                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_DESC));
 128   strings.SetString("tableTitle",
 129                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_TABLE_TITLE));
 130   strings.SetString(
 131       "logFileTableTitle",
 132       l10n_util::GetStringUTF16(IDS_ABOUT_SYS_LOG_FILE_TABLE_TITLE));
 133   strings.SetString("expandAllBtn",
 134                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_EXPAND_ALL));
 135   strings.SetString("collapseAllBtn",
 136                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_COLLAPSE_ALL));
 137   strings.SetString("expandBtn",
 138                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_EXPAND));
 139   strings.SetString("collapseBtn",
 140                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_COLLAPSE));
 141   strings.SetString("parseError",
 142                     l10n_util::GetStringUTF16(IDS_ABOUT_SYS_PARSE_ERROR));
 143
 144   const std::string& app_locale = g_browser_process->GetApplicationLocale();
 145   webui::SetLoadTimeDataDefaults(app_locale, &strings);
 146
 147   if (response_.get()) {
 148     base::ListValue* details = new base::ListValue();
 149     strings.Set("details", details);
 150     for (SystemLogsResponse::const_iterator it = response_->begin();
 151          it != response_->end();
 152          ++it) {
 153       base::DictionaryValue* val = new base::DictionaryValue;
 154       val->SetString("statName", it->first);
 155       val->SetString("statValue", it->second);
 156       details->Append(val);
 157     }
 158   }
 159   static const base::StringPiece systeminfo_html(
 160       ResourceBundle::GetSharedInstance().GetRawDataResource(
 161           IDR_ABOUT_SYS_HTML));
 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 }