chrome/browser/ui/webui/media/webrtc_logs_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/media/webrtc_logs_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/prefs/pref_service.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "base/values.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/media/webrtc_log_upload_list.h"
  18 #include "chrome/browser/profiles/profile.h"
  19 #include "chrome/common/chrome_version_info.h"
  20 #include "chrome/common/pref_names.h"
  21 #include "chrome/common/url_constants.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/chromium_strings.h"
  28 #include "grit/generated_resources.h"
  29 #include "grit/theme_resources.h"
  30 #include "ui/base/l10n/l10n_util.h"
  31 #include "ui/base/resource/resource_bundle.h"
  32
  33 #if defined(OS_CHROMEOS)
  34 #include "chrome/browser/chromeos/settings/cros_settings.h"
  35 #endif
  36
  37 using content::WebContents;
  38 using content::WebUIMessageHandler;
  39
  40 namespace {
  41
  42 content::WebUIDataSource* CreateWebRtcLogsUIHTMLSource() {
  43   content::WebUIDataSource* source =
  44       content::WebUIDataSource::Create(chrome::kChromeUIWebRtcLogsHost);
  45   source->SetUseJsonJSFormatV2();
  46
  47   source->AddLocalizedString("webrtcLogsTitle", IDS_WEBRTC_LOGS_TITLE);
  48   source->AddLocalizedString("webrtcLogCountFormat",
  49                              IDS_WEBRTC_LOGS_LOG_COUNT_BANNER_FORMAT);
  50   source->AddLocalizedString("webrtcLogHeaderFormat",
  51                              IDS_WEBRTC_LOGS_LOG_HEADER_FORMAT);
  52   source->AddLocalizedString("webrtcLogTimeFormat",
  53                              IDS_WEBRTC_LOGS_LOG_TIME_FORMAT);
  54   source->AddLocalizedString("bugLinkText", IDS_WEBRTC_LOGS_BUG_LINK_LABEL);
  55   source->AddLocalizedString("noLogsMessage",
  56                              IDS_WEBRTC_LOGS_NO_LOGS_MESSAGE);
  57   source->SetJsonPath("strings.js");
  58   source->AddResourcePath("webrtc_logs.js", IDR_WEBRTC_LOGS_JS);
  59   source->SetDefaultResource(IDR_WEBRTC_LOGS_HTML);
  60   return source;
  61 }
  62
  63 ////////////////////////////////////////////////////////////////////////////////
  64 //
  65 // WebRtcLogsDOMHandler
  66 //
  67 ////////////////////////////////////////////////////////////////////////////////
  68
  69 // The handler for Javascript messages for the chrome://webrtc-logs/ page.
  70 class WebRtcLogsDOMHandler : public WebUIMessageHandler,
  71                              public WebRtcLogUploadList::Delegate {
  72  public:
  73   explicit WebRtcLogsDOMHandler(Profile* profile);
  74   virtual ~WebRtcLogsDOMHandler();
  75
  76   // WebUIMessageHandler implementation.
  77   virtual void RegisterMessages() OVERRIDE;
  78
  79   // WebRtcLogUploadList::Delegate implemenation.
  80   virtual void OnUploadListAvailable() OVERRIDE;
  81
  82  private:
  83   // Asynchronously fetches the list of upload WebRTC logs. Called from JS.
  84   void HandleRequestWebRtcLogs(const base::ListValue* args);
  85
  86   // Sends the recently uploaded logs list JS.
  87   void UpdateUI();
  88
  89   // Loads, parses and stores the list of uploaded WebRTC logs.
  90   scoped_refptr<WebRtcLogUploadList> upload_list_;
  91
  92   // Set when |upload_list_| has finished populating the list of logs.
  93   bool list_available_;
  94
  95   // Set when the webpage wants to update the list (on the webpage) but
  96   // |upload_list_| hasn't finished populating the list of logs yet.
  97   bool js_request_pending_;
  98
  99   DISALLOW_COPY_AND_ASSIGN(WebRtcLogsDOMHandler);
 100 };
 101
 102 WebRtcLogsDOMHandler::WebRtcLogsDOMHandler(Profile* profile)
 103     : list_available_(false), js_request_pending_(false) {
 104   upload_list_ = WebRtcLogUploadList::Create(this, profile);
 105 }
 106
 107 WebRtcLogsDOMHandler::~WebRtcLogsDOMHandler() {
 108   upload_list_->ClearDelegate();
 109 }
 110
 111 void WebRtcLogsDOMHandler::RegisterMessages() {
 112   upload_list_->LoadUploadListAsynchronously();
 113
 114   web_ui()->RegisterMessageCallback("requestWebRtcLogsList",
 115       base::Bind(&WebRtcLogsDOMHandler::HandleRequestWebRtcLogs,
 116                  base::Unretained(this)));
 117 }
 118
 119 void WebRtcLogsDOMHandler::HandleRequestWebRtcLogs(
 120     const base::ListValue* args) {
 121   if (list_available_)
 122     UpdateUI();
 123   else
 124     js_request_pending_ = true;
 125 }
 126
 127 void WebRtcLogsDOMHandler::OnUploadListAvailable() {
 128   list_available_ = true;
 129   if (js_request_pending_)
 130     UpdateUI();
 131 }
 132
 133 void WebRtcLogsDOMHandler::UpdateUI() {
 134   std::vector<WebRtcLogUploadList::UploadInfo> uploads;
 135   upload_list_->GetUploads(50, &uploads);
 136
 137   base::ListValue upload_list;
 138   for (std::vector<WebRtcLogUploadList::UploadInfo>::iterator i =
 139        uploads.begin(); i != uploads.end(); ++i) {
 140     base::DictionaryValue* upload = new base::DictionaryValue();
 141     upload->SetString("id", i->id);
 142     upload->SetString("time", base::TimeFormatFriendlyDateAndTime(i->time));
 143     upload_list.Append(upload);
 144   }
 145
 146   const chrome::VersionInfo version_info;
 147   base::StringValue version(version_info.Version());
 148
 149   web_ui()->CallJavascriptFunction("updateWebRtcLogsList", upload_list,
 150                                    version);
 151 }
 152
 153 }  // namespace
 154
 155 ///////////////////////////////////////////////////////////////////////////////
 156 //
 157 // WebRtcLogsUI
 158 //
 159 ///////////////////////////////////////////////////////////////////////////////
 160
 161 WebRtcLogsUI::WebRtcLogsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 162   Profile* profile = Profile::FromWebUI(web_ui);
 163   web_ui->AddMessageHandler(new WebRtcLogsDOMHandler(profile));
 164
 165   // Set up the chrome://webrtc-logs/ source.
 166   content::WebUIDataSource::Add(profile, CreateWebRtcLogsUIHTMLSource());
 167 }