chrome/browser/ui/webui/flash_ui.cc

   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/flash_ui.h"
   6
   7 #include <map>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/i18n/time_formatting.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/strings/string16.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "base/strings/stringprintf.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/thread_restrictions.h"
  20 #include "base/timer/timer.h"
  21 #include "base/values.h"
  22 #include "chrome/browser/crash_upload_list.h"
  23 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
  24 #include "chrome/browser/plugins/plugin_prefs.h"
  25 #include "chrome/browser/profiles/profile.h"
  26 #include "chrome/common/channel_info.h"
  27 #include "chrome/common/url_constants.h"
  28 #include "chrome/grit/chromium_strings.h"
  29 #include "chrome/grit/generated_resources.h"
  30 #include "components/version_info/version_info.h"
  31 #include "content/public/browser/gpu_data_manager.h"
  32 #include "content/public/browser/gpu_data_manager_observer.h"
  33 #include "content/public/browser/plugin_service.h"
  34 #include "content/public/browser/user_metrics.h"
  35 #include "content/public/browser/web_contents.h"
  36 #include "content/public/browser/web_ui.h"
  37 #include "content/public/browser/web_ui_data_source.h"
  38 #include "content/public/browser/web_ui_message_handler.h"
  39 #include "content/public/common/content_constants.h"
  40 #include "content/public/common/webplugininfo.h"
  41 #include "gpu/config/gpu_info.h"
  42 #include "grit/browser_resources.h"
  43 #include "ui/base/l10n/l10n_util.h"
  44
  45 #if defined(OS_WIN)
  46 #include "base/win/windows_version.h"
  47 #endif
  48
  49 using base::ASCIIToUTF16;
  50 using base::UserMetricsAction;
  51 using content::GpuDataManager;
  52 using content::PluginService;
  53 using content::WebContents;
  54 using content::WebUIMessageHandler;
  55
  56 namespace {
  57
  58 const char kFlashPlugin[] = "Flash plugin";
  59
  60 content::WebUIDataSource* CreateFlashUIHTMLSource() {
  61   content::WebUIDataSource* source =
  62       content::WebUIDataSource::Create(chrome::kChromeUIFlashHost);
  63
  64   source->AddLocalizedString("loadingMessage", IDS_FLASH_LOADING_MESSAGE);
  65   source->AddLocalizedString("flashLongTitle", IDS_FLASH_TITLE_MESSAGE);
  66   source->SetJsonPath("strings.js");
  67   source->AddResourcePath("about_flash.js", IDR_ABOUT_FLASH_JS);
  68   source->SetDefaultResource(IDR_ABOUT_FLASH_HTML);
  69   return source;
  70 }
  71
  72 const int kTimeout = 8 * 1000;  // 8 seconds.
  73
  74 ////////////////////////////////////////////////////////////////////////////////
  75 //
  76 // FlashDOMHandler
  77 //
  78 ////////////////////////////////////////////////////////////////////////////////
  79
  80 // The handler for JavaScript messages for the about:flags page.
  81 class FlashDOMHandler : public WebUIMessageHandler,
  82                         public CrashUploadList::Delegate,
  83                         public content::GpuDataManagerObserver {
  84  public:
  85   FlashDOMHandler();
  86   ~FlashDOMHandler() override;
  87
  88   // WebUIMessageHandler implementation.
  89   void RegisterMessages() override;
  90
  91   // CrashUploadList::Delegate implementation.
  92   void OnUploadListAvailable() override;
  93
  94   // GpuDataManager::Observer implementation.
  95   void OnGpuInfoUpdate() override;
  96
  97   // Callback for the "requestFlashInfo" message.
  98   void HandleRequestFlashInfo(const base::ListValue* args);
  99
 100   // Callback for the Flash plugin information.
 101   void OnGotPlugins(const std::vector<content::WebPluginInfo>& plugins);
 102
 103  private:
 104   // Called when we think we might have enough information to return data back
 105   // to the page.
 106   void MaybeRespondToPage();
 107
 108   // In certain cases we might not get called back from the GPU process so we
 109   // set an upper limit on the time we wait. This function gets called when the
 110   // time has passed. This actually doesn't prevent the rest of the information
 111   // to appear later, the page will just reflow when more information becomes
 112   // available.
 113   void OnTimeout();
 114
 115   // A timer to keep track of when the data fetching times out.
 116   base::OneShotTimer<FlashDOMHandler> timeout_;
 117
 118   // Crash list.
 119   scoped_refptr<CrashUploadList> upload_list_;
 120
 121   // Whether the list of all crashes is available.
 122   bool crash_list_available_;
 123   // Whether the page has requested data.
 124   bool page_has_requested_data_;
 125   // Whether the GPU data has been collected.
 126   bool has_gpu_info_;
 127   // Whether the plugin information is ready.
 128   bool has_plugin_info_;
 129
 130   base::WeakPtrFactory<FlashDOMHandler> weak_ptr_factory_;
 131
 132   DISALLOW_COPY_AND_ASSIGN(FlashDOMHandler);
 133 };
 134
 135 FlashDOMHandler::FlashDOMHandler()
 136     : crash_list_available_(false),
 137       page_has_requested_data_(false),
 138       has_gpu_info_(false),
 139       has_plugin_info_(false),
 140       weak_ptr_factory_(this) {
 141         // Request Crash data asynchronously.
 142   upload_list_ = CreateCrashUploadList(this);
 143   upload_list_->LoadUploadListAsynchronously();
 144
 145   // Watch for changes in GPUInfo.
 146   GpuDataManager::GetInstance()->AddObserver(this);
 147
 148   // Tell GpuDataManager it should have full GpuInfo. If the
 149   // GPU process has not run yet, this will trigger its launch.
 150   GpuDataManager::GetInstance()->RequestCompleteGpuInfoIfNeeded();
 151
 152   // GPU access might not be allowed at all, which will cause us not to get a
 153   // call back.
 154   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(NULL))
 155     OnGpuInfoUpdate();
 156
 157   PluginService::GetInstance()->GetPlugins(base::Bind(
 158       &FlashDOMHandler::OnGotPlugins, weak_ptr_factory_.GetWeakPtr()));
 159
 160   // And lastly, we fire off a timer to make sure we never get stuck at the
 161   // "Loading..." message.
 162   timeout_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeout),
 163                  this, &FlashDOMHandler::OnTimeout);
 164 }
 165
 166 FlashDOMHandler::~FlashDOMHandler() {
 167   GpuDataManager::GetInstance()->RemoveObserver(this);
 168   upload_list_->ClearDelegate();
 169 }
 170
 171 void FlashDOMHandler::RegisterMessages() {
 172   web_ui()->RegisterMessageCallback("requestFlashInfo",
 173       base::Bind(&FlashDOMHandler::HandleRequestFlashInfo,
 174                  base::Unretained(this)));
 175 }
 176
 177 void FlashDOMHandler::OnUploadListAvailable() {
 178   crash_list_available_ = true;
 179   MaybeRespondToPage();
 180 }
 181
 182 void AddPair(base::ListValue* list,
 183              const base::string16& key,
 184              const base::string16& value) {
 185   base::DictionaryValue* results = new base::DictionaryValue();
 186   results->SetString("key", key);
 187   results->SetString("value", value);
 188   list->Append(results);
 189 }
 190
 191 void AddPair(base::ListValue* list,
 192              const base::string16& key,
 193              const std::string& value) {
 194   AddPair(list, key, ASCIIToUTF16(value));
 195 }
 196
 197 void FlashDOMHandler::HandleRequestFlashInfo(const base::ListValue* args) {
 198   page_has_requested_data_ = true;
 199   MaybeRespondToPage();
 200 }
 201
 202 void FlashDOMHandler::OnGpuInfoUpdate() {
 203   has_gpu_info_ = true;
 204   MaybeRespondToPage();
 205 }
 206
 207 void FlashDOMHandler::OnGotPlugins(
 208     const std::vector<content::WebPluginInfo>& plugins) {
 209   has_plugin_info_ = true;
 210   MaybeRespondToPage();
 211 }
 212
 213 void FlashDOMHandler::OnTimeout() {
 214   // We don't set page_has_requested_data_ because that is guaranteed to appear
 215   // and we shouldn't be responding to the page before then.
 216   has_gpu_info_ = true;
 217   crash_list_available_ = true;
 218   has_plugin_info_ = true;
 219   MaybeRespondToPage();
 220 }
 221
 222 void FlashDOMHandler::MaybeRespondToPage() {
 223   // We don't reply until everything is ready. The page is showing a 'loading'
 224   // message until then. If you add criteria to this list, please update the
 225   // function OnTimeout() as well.
 226   if (!page_has_requested_data_ || !crash_list_available_ || !has_gpu_info_ ||
 227       !has_plugin_info_) {
 228     return;
 229   }
 230
 231   timeout_.Stop();
 232
 233   // This is code that runs only when the user types in about:flash. We don't
 234   // need to jump through hoops to offload this to the IO thread.
 235   base::ThreadRestrictions::ScopedAllowIO allow_io;
 236
 237   base::ListValue* list = new base::ListValue();
 238
 239   // Chrome version information.
 240   AddPair(list,
 241           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
 242           version_info::GetVersionNumber() + " (" +
 243           chrome::GetChannelString() + ")");
 244
 245   // OS version information.
 246   std::string os_label = version_info::GetOSType();
 247 #if defined(OS_WIN)
 248   base::win::OSInfo* os = base::win::OSInfo::GetInstance();
 249   switch (os->version()) {
 250     case base::win::VERSION_XP: os_label += " XP"; break;
 251     case base::win::VERSION_SERVER_2003:
 252       os_label += " Server 2003 or XP Pro 64 bit";
 253       break;
 254     case base::win::VERSION_VISTA: os_label += " Vista or Server 2008"; break;
 255     case base::win::VERSION_WIN7: os_label += " 7 or Server 2008 R2"; break;
 256     case base::win::VERSION_WIN8: os_label += " 8 or Server 2012"; break;
 257     default:  os_label += " UNKNOWN"; break;
 258   }
 259   os_label += " SP" + base::IntToString(os->service_pack().major);
 260   if (os->service_pack().minor > 0)
 261     os_label += "." + base::IntToString(os->service_pack().minor);
 262   if (os->architecture() == base::win::OSInfo::X64_ARCHITECTURE)
 263     os_label += " 64 bit";
 264 #endif
 265   AddPair(list, l10n_util::GetStringUTF16(IDS_ABOUT_VERSION_OS), os_label);
 266
 267   // Obtain the version of the Flash plugins.
 268   std::vector<content::WebPluginInfo> info_array;
 269   PluginService::GetInstance()->GetPluginInfoArray(
 270       GURL(), content::kFlashPluginSwfMimeType, false, &info_array, NULL);
 271   if (info_array.empty()) {
 272     AddPair(list, ASCIIToUTF16(kFlashPlugin), "Not installed");
 273   } else {
 274     PluginPrefs* plugin_prefs =
 275         PluginPrefs::GetForProfile(Profile::FromWebUI(web_ui())).get();
 276     bool found_enabled = false;
 277     for (size_t i = 0; i < info_array.size(); ++i) {
 278       base::string16 flash_version = info_array[i].version + ASCIIToUTF16(" ") +
 279                                info_array[i].path.LossyDisplayName();
 280       if (plugin_prefs->IsPluginEnabled(info_array[i])) {
 281         // If we have already found an enabled Flash version, this one
 282         // is not used.
 283         if (found_enabled)
 284           flash_version += ASCIIToUTF16(" (not used)");
 285
 286         found_enabled = true;
 287       } else {
 288         flash_version += ASCIIToUTF16(" (disabled)");
 289       }
 290       AddPair(list, ASCIIToUTF16(kFlashPlugin), flash_version);
 291     }
 292   }
 293
 294   // Crash information.
 295   AddPair(list, base::string16(), "--- Crash data ---");
 296   bool crash_reporting_enabled =
 297       ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled();
 298   if (crash_reporting_enabled) {
 299     std::vector<CrashUploadList::UploadInfo> crashes;
 300     upload_list_->GetUploads(10, &crashes);
 301
 302     for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
 303          i != crashes.end(); ++i) {
 304       base::string16 crash_string(ASCIIToUTF16(i->id));
 305       crash_string += ASCIIToUTF16(" ");
 306       crash_string += base::TimeFormatFriendlyDateAndTime(i->time);
 307       AddPair(list, ASCIIToUTF16("crash id"), crash_string);
 308     }
 309   } else {
 310     AddPair(list, ASCIIToUTF16("Crash Reporting"),
 311                   "Enable crash reporting to see crash IDs");
 312     AddPair(list, ASCIIToUTF16("For more details"),
 313                   chrome::kLearnMoreReportingURL);
 314   }
 315
 316   // GPU information.
 317   AddPair(list, base::string16(), "--- GPU information ---");
 318   gpu::GPUInfo gpu_info = GpuDataManager::GetInstance()->GetGPUInfo();
 319
 320   std::string reason;
 321   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(&reason)) {
 322     AddPair(list, ASCIIToUTF16("WARNING:"),
 323             "GPU access is not allowed: " + reason);
 324   }
 325 #if defined(OS_WIN)
 326   const gpu::DxDiagNode& node = gpu_info.dx_diagnostics;
 327   for (std::map<std::string, gpu::DxDiagNode>::const_iterator it =
 328            node.children.begin();
 329        it != node.children.end();
 330        ++it) {
 331     for (std::map<std::string, std::string>::const_iterator it2 =
 332              it->second.values.begin();
 333          it2 != it->second.values.end();
 334          ++it2) {
 335       if (!it2->second.empty()) {
 336         if (it2->first == "szDescription") {
 337           AddPair(list, ASCIIToUTF16("Graphics card"), it2->second);
 338         } else if (it2->first == "szDriverNodeStrongName") {
 339           AddPair(list, ASCIIToUTF16("Driver name (strong)"), it2->second);
 340         } else if (it2->first == "szDriverName") {
 341           AddPair(list, ASCIIToUTF16("Driver display name"), it2->second);
 342         }
 343       }
 344     }
 345   }
 346 #endif
 347
 348   AddPair(list, base::string16(), "--- GPU driver, more information ---");
 349   AddPair(list,
 350           ASCIIToUTF16("Vendor Id"),
 351           base::StringPrintf("0x%04x", gpu_info.gpu.vendor_id));
 352   AddPair(list,
 353           ASCIIToUTF16("Device Id"),
 354           base::StringPrintf("0x%04x", gpu_info.gpu.device_id));
 355   AddPair(list, ASCIIToUTF16("Driver vendor"), gpu_info.driver_vendor);
 356   AddPair(list, ASCIIToUTF16("Driver version"), gpu_info.driver_version);
 357   AddPair(list, ASCIIToUTF16("Driver date"), gpu_info.driver_date);
 358   AddPair(list,
 359           ASCIIToUTF16("Pixel shader version"),
 360           gpu_info.pixel_shader_version);
 361   AddPair(list,
 362           ASCIIToUTF16("Vertex shader version"),
 363           gpu_info.vertex_shader_version);
 364   AddPair(list, ASCIIToUTF16("GL_VENDOR"), gpu_info.gl_vendor);
 365   AddPair(list, ASCIIToUTF16("GL_RENDERER"), gpu_info.gl_renderer);
 366   AddPair(list, ASCIIToUTF16("GL_VERSION"), gpu_info.gl_version);
 367   AddPair(list, ASCIIToUTF16("GL_EXTENSIONS"), gpu_info.gl_extensions);
 368
 369   base::DictionaryValue flashInfo;
 370   flashInfo.Set("flashInfo", list);
 371   web_ui()->CallJavascriptFunction("returnFlashInfo", flashInfo);
 372 }
 373
 374 }  // namespace
 375
 376 ///////////////////////////////////////////////////////////////////////////////
 377 //
 378 // FlashUI
 379 //
 380 ///////////////////////////////////////////////////////////////////////////////
 381
 382 FlashUI::FlashUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 383   content::RecordAction(
 384       UserMetricsAction("ViewAboutFlash"));
 385
 386   web_ui->AddMessageHandler(new FlashDOMHandler());
 387
 388   // Set up the about:flash source.
 389   Profile* profile = Profile::FromWebUI(web_ui);
 390   content::WebUIDataSource::Add(profile, CreateFlashUIHTMLSource());
 391 }
 392
 393 // static
 394 base::RefCountedMemory* FlashUI::GetFaviconResourceBytes(
 395       ui::ScaleFactor scale_factor) {
 396   // Use the default icon for now.
 397   return NULL;
 398 }