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/chrome_version_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 "content/public/browser/gpu_data_manager.h"
  31 #include "content/public/browser/gpu_data_manager_observer.h"
  32 #include "content/public/browser/plugin_service.h"
  33 #include "content/public/browser/user_metrics.h"
  34 #include "content/public/browser/web_contents.h"
  35 #include "content/public/browser/web_ui.h"
  36 #include "content/public/browser/web_ui_data_source.h"
  37 #include "content/public/browser/web_ui_message_handler.h"
  38 #include "content/public/common/content_constants.h"
  39 #include "content/public/common/webplugininfo.h"
  40 #include "gpu/config/gpu_info.h"
  41 #include "grit/browser_resources.h"
  42 #include "ui/base/l10n/l10n_util.h"
  43
  44 #if defined(OS_WIN)
  45 #include "base/win/windows_version.h"
  46 #endif
  47
  48 using base::ASCIIToUTF16;
  49 using base::UserMetricsAction;
  50 using content::GpuDataManager;
  51 using content::PluginService;
  52 using content::WebContents;
  53 using content::WebUIMessageHandler;
  54
  55 namespace {
  56
  57 const char kFlashPlugin[] = "Flash plugin";
  58
  59 content::WebUIDataSource* CreateFlashUIHTMLSource() {
  60   content::WebUIDataSource* source =
  61       content::WebUIDataSource::Create(chrome::kChromeUIFlashHost);
  62
  63   source->AddLocalizedString("loadingMessage", IDS_FLASH_LOADING_MESSAGE);
  64   source->AddLocalizedString("flashLongTitle", IDS_FLASH_TITLE_MESSAGE);
  65   source->SetJsonPath("strings.js");
  66   source->AddResourcePath("about_flash.js", IDR_ABOUT_FLASH_JS);
  67   source->SetDefaultResource(IDR_ABOUT_FLASH_HTML);
  68   return source;
  69 }
  70
  71 const int kTimeout = 8 * 1000;  // 8 seconds.
  72
  73 ////////////////////////////////////////////////////////////////////////////////
  74 //
  75 // FlashDOMHandler
  76 //
  77 ////////////////////////////////////////////////////////////////////////////////
  78
  79 // The handler for JavaScript messages for the about:flags page.
  80 class FlashDOMHandler : public WebUIMessageHandler,
  81                         public CrashUploadList::Delegate,
  82                         public content::GpuDataManagerObserver {
  83  public:
  84   FlashDOMHandler();
  85   ~FlashDOMHandler() override;
  86
  87   // WebUIMessageHandler implementation.
  88   void RegisterMessages() override;
  89
  90   // CrashUploadList::Delegate implementation.
  91   void OnUploadListAvailable() override;
  92
  93   // GpuDataManager::Observer implementation.
  94   void OnGpuInfoUpdate() override;
  95
  96   // Callback for the "requestFlashInfo" message.
  97   void HandleRequestFlashInfo(const base::ListValue* args);
  98
  99   // Callback for the Flash plugin information.
 100   void OnGotPlugins(const std::vector<content::WebPluginInfo>& plugins);
 101
 102  private:
 103   // Called when we think we might have enough information to return data back
 104   // to the page.
 105   void MaybeRespondToPage();
 106
 107   // In certain cases we might not get called back from the GPU process so we
 108   // set an upper limit on the time we wait. This function gets called when the
 109   // time has passed. This actually doesn't prevent the rest of the information
 110   // to appear later, the page will just reflow when more information becomes
 111   // available.
 112   void OnTimeout();
 113
 114   // A timer to keep track of when the data fetching times out.
 115   base::OneShotTimer<FlashDOMHandler> timeout_;
 116
 117   // Crash list.
 118   scoped_refptr<CrashUploadList> upload_list_;
 119
 120   // Whether the list of all crashes is available.
 121   bool crash_list_available_;
 122   // Whether the page has requested data.
 123   bool page_has_requested_data_;
 124   // Whether the GPU data has been collected.
 125   bool has_gpu_info_;
 126   // Whether the plugin information is ready.
 127   bool has_plugin_info_;
 128
 129   base::WeakPtrFactory<FlashDOMHandler> weak_ptr_factory_;
 130
 131   DISALLOW_COPY_AND_ASSIGN(FlashDOMHandler);
 132 };
 133
 134 FlashDOMHandler::FlashDOMHandler()
 135     : crash_list_available_(false),
 136       page_has_requested_data_(false),
 137       has_gpu_info_(false),
 138       has_plugin_info_(false),
 139       weak_ptr_factory_(this) {
 140         // Request Crash data asynchronously.
 141   upload_list_ = CrashUploadList::Create(this);
 142   upload_list_->LoadUploadListAsynchronously();
 143
 144   // Watch for changes in GPUInfo.
 145   GpuDataManager::GetInstance()->AddObserver(this);
 146
 147   // Tell GpuDataManager it should have full GpuInfo. If the
 148   // GPU process has not run yet, this will trigger its launch.
 149   GpuDataManager::GetInstance()->RequestCompleteGpuInfoIfNeeded();
 150
 151   // GPU access might not be allowed at all, which will cause us not to get a
 152   // call back.
 153   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(NULL))
 154     OnGpuInfoUpdate();
 155
 156   PluginService::GetInstance()->GetPlugins(base::Bind(
 157       &FlashDOMHandler::OnGotPlugins, weak_ptr_factory_.GetWeakPtr()));
 158
 159   // And lastly, we fire off a timer to make sure we never get stuck at the
 160   // "Loading..." message.
 161   timeout_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeout),
 162                  this, &FlashDOMHandler::OnTimeout);
 163 }
 164
 165 FlashDOMHandler::~FlashDOMHandler() {
 166   GpuDataManager::GetInstance()->RemoveObserver(this);
 167   upload_list_->ClearDelegate();
 168 }
 169
 170 void FlashDOMHandler::RegisterMessages() {
 171   web_ui()->RegisterMessageCallback("requestFlashInfo",
 172       base::Bind(&FlashDOMHandler::HandleRequestFlashInfo,
 173                  base::Unretained(this)));
 174 }
 175
 176 void FlashDOMHandler::OnUploadListAvailable() {
 177   crash_list_available_ = true;
 178   MaybeRespondToPage();
 179 }
 180
 181 void AddPair(base::ListValue* list,
 182              const base::string16& key,
 183              const base::string16& value) {
 184   base::DictionaryValue* results = new base::DictionaryValue();
 185   results->SetString("key", key);
 186   results->SetString("value", value);
 187   list->Append(results);
 188 }
 189
 190 void AddPair(base::ListValue* list,
 191              const base::string16& key,
 192              const std::string& value) {
 193   AddPair(list, key, ASCIIToUTF16(value));
 194 }
 195
 196 void FlashDOMHandler::HandleRequestFlashInfo(const base::ListValue* args) {
 197   page_has_requested_data_ = true;
 198   MaybeRespondToPage();
 199 }
 200
 201 void FlashDOMHandler::OnGpuInfoUpdate() {
 202   has_gpu_info_ = true;
 203   MaybeRespondToPage();
 204 }
 205
 206 void FlashDOMHandler::OnGotPlugins(
 207     const std::vector<content::WebPluginInfo>& plugins) {
 208   has_plugin_info_ = true;
 209   MaybeRespondToPage();
 210 }
 211
 212 void FlashDOMHandler::OnTimeout() {
 213   // We don't set page_has_requested_data_ because that is guaranteed to appear
 214   // and we shouldn't be responding to the page before then.
 215   has_gpu_info_ = true;
 216   crash_list_available_ = true;
 217   has_plugin_info_ = true;
 218   MaybeRespondToPage();
 219 }
 220
 221 void FlashDOMHandler::MaybeRespondToPage() {
 222   // We don't reply until everything is ready. The page is showing a 'loading'
 223   // message until then. If you add criteria to this list, please update the
 224   // function OnTimeout() as well.
 225   if (!page_has_requested_data_ || !crash_list_available_ || !has_gpu_info_ ||
 226       !has_plugin_info_) {
 227     return;
 228   }
 229
 230   timeout_.Stop();
 231
 232   // This is code that runs only when the user types in about:flash. We don't
 233   // need to jump through hoops to offload this to the IO thread.
 234   base::ThreadRestrictions::ScopedAllowIO allow_io;
 235
 236   // Obtain the Chrome version info.
 237   chrome::VersionInfo version_info;
 238
 239   base::ListValue* list = new base::ListValue();
 240
 241   // Chrome version information.
 242   AddPair(list,
 243           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
 244           version_info.Version() + " (" +
 245           chrome::VersionInfo::GetVersionStringModifier() + ")");
 246
 247   // OS version information.
 248   std::string os_label = version_info.OSType();
 249 #if defined(OS_WIN)
 250   base::win::OSInfo* os = base::win::OSInfo::GetInstance();
 251   switch (os->version()) {
 252     case base::win::VERSION_XP: os_label += " XP"; break;
 253     case base::win::VERSION_SERVER_2003:
 254       os_label += " Server 2003 or XP Pro 64 bit";
 255       break;
 256     case base::win::VERSION_VISTA: os_label += " Vista or Server 2008"; break;
 257     case base::win::VERSION_WIN7: os_label += " 7 or Server 2008 R2"; break;
 258     case base::win::VERSION_WIN8: os_label += " 8 or Server 2012"; break;
 259     default:  os_label += " UNKNOWN"; break;
 260   }
 261   os_label += " SP" + base::IntToString(os->service_pack().major);
 262   if (os->service_pack().minor > 0)
 263     os_label += "." + base::IntToString(os->service_pack().minor);
 264   if (os->architecture() == base::win::OSInfo::X64_ARCHITECTURE)
 265     os_label += " 64 bit";
 266 #endif
 267   AddPair(list, l10n_util::GetStringUTF16(IDS_ABOUT_VERSION_OS), os_label);
 268
 269   // Obtain the version of the Flash plugins.
 270   std::vector<content::WebPluginInfo> info_array;
 271   PluginService::GetInstance()->GetPluginInfoArray(
 272       GURL(), content::kFlashPluginSwfMimeType, false, &info_array, NULL);
 273   if (info_array.empty()) {
 274     AddPair(list, ASCIIToUTF16(kFlashPlugin), "Not installed");
 275   } else {
 276     PluginPrefs* plugin_prefs =
 277         PluginPrefs::GetForProfile(Profile::FromWebUI(web_ui())).get();
 278     bool found_enabled = false;
 279     for (size_t i = 0; i < info_array.size(); ++i) {
 280       base::string16 flash_version = info_array[i].version + ASCIIToUTF16(" ") +
 281                                info_array[i].path.LossyDisplayName();
 282       if (plugin_prefs->IsPluginEnabled(info_array[i])) {
 283         // If we have already found an enabled Flash version, this one
 284         // is not used.
 285         if (found_enabled)
 286           flash_version += ASCIIToUTF16(" (not used)");
 287
 288         found_enabled = true;
 289       } else {
 290         flash_version += ASCIIToUTF16(" (disabled)");
 291       }
 292       AddPair(list, ASCIIToUTF16(kFlashPlugin), flash_version);
 293     }
 294   }
 295
 296   // Crash information.
 297   AddPair(list, base::string16(), "--- Crash data ---");
 298   bool crash_reporting_enabled =
 299       ChromeMetricsServiceAccessor::IsCrashReportingEnabled();
 300   if (crash_reporting_enabled) {
 301     std::vector<CrashUploadList::UploadInfo> crashes;
 302     upload_list_->GetUploads(10, &crashes);
 303
 304     for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
 305          i != crashes.end(); ++i) {
 306       base::string16 crash_string(ASCIIToUTF16(i->id));
 307       crash_string += ASCIIToUTF16(" ");
 308       crash_string += base::TimeFormatFriendlyDateAndTime(i->time);
 309       AddPair(list, ASCIIToUTF16("crash id"), crash_string);
 310     }
 311   } else {
 312     AddPair(list, ASCIIToUTF16("Crash Reporting"),
 313                   "Enable crash reporting to see crash IDs");
 314     AddPair(list, ASCIIToUTF16("For more details"),
 315                   chrome::kLearnMoreReportingURL);
 316   }
 317
 318   // GPU information.
 319   AddPair(list, base::string16(), "--- GPU information ---");
 320   gpu::GPUInfo gpu_info = GpuDataManager::GetInstance()->GetGPUInfo();
 321
 322   std::string reason;
 323   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(&reason)) {
 324     AddPair(list, ASCIIToUTF16("WARNING:"),
 325             "GPU access is not allowed: " + reason);
 326   }
 327 #if defined(OS_WIN)
 328   const gpu::DxDiagNode& node = gpu_info.dx_diagnostics;
 329   for (std::map<std::string, gpu::DxDiagNode>::const_iterator it =
 330            node.children.begin();
 331        it != node.children.end();
 332        ++it) {
 333     for (std::map<std::string, std::string>::const_iterator it2 =
 334              it->second.values.begin();
 335          it2 != it->second.values.end();
 336          ++it2) {
 337       if (!it2->second.empty()) {
 338         if (it2->first == "szDescription") {
 339           AddPair(list, ASCIIToUTF16("Graphics card"), it2->second);
 340         } else if (it2->first == "szDriverNodeStrongName") {
 341           AddPair(list, ASCIIToUTF16("Driver name (strong)"), it2->second);
 342         } else if (it2->first == "szDriverName") {
 343           AddPair(list, ASCIIToUTF16("Driver display name"), it2->second);
 344         }
 345       }
 346     }
 347   }
 348 #endif
 349
 350   AddPair(list, base::string16(), "--- GPU driver, more information ---");
 351   AddPair(list,
 352           ASCIIToUTF16("Vendor Id"),
 353           base::StringPrintf("0x%04x", gpu_info.gpu.vendor_id));
 354   AddPair(list,
 355           ASCIIToUTF16("Device Id"),
 356           base::StringPrintf("0x%04x", gpu_info.gpu.device_id));
 357   AddPair(list, ASCIIToUTF16("Driver vendor"), gpu_info.driver_vendor);
 358   AddPair(list, ASCIIToUTF16("Driver version"), gpu_info.driver_version);
 359   AddPair(list, ASCIIToUTF16("Driver date"), gpu_info.driver_date);
 360   AddPair(list,
 361           ASCIIToUTF16("Pixel shader version"),
 362           gpu_info.pixel_shader_version);
 363   AddPair(list,
 364           ASCIIToUTF16("Vertex shader version"),
 365           gpu_info.vertex_shader_version);
 366   AddPair(list, ASCIIToUTF16("GL_VENDOR"), gpu_info.gl_vendor);
 367   AddPair(list, ASCIIToUTF16("GL_RENDERER"), gpu_info.gl_renderer);
 368   AddPair(list, ASCIIToUTF16("GL_VERSION"), gpu_info.gl_version);
 369   AddPair(list, ASCIIToUTF16("GL_EXTENSIONS"), gpu_info.gl_extensions);
 370
 371   base::DictionaryValue flashInfo;
 372   flashInfo.Set("flashInfo", list);
 373   web_ui()->CallJavascriptFunction("returnFlashInfo", flashInfo);
 374 }
 375
 376 }  // namespace
 377
 378 ///////////////////////////////////////////////////////////////////////////////
 379 //
 380 // FlashUI
 381 //
 382 ///////////////////////////////////////////////////////////////////////////////
 383
 384 FlashUI::FlashUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 385   content::RecordAction(
 386       UserMetricsAction("ViewAboutFlash"));
 387
 388   web_ui->AddMessageHandler(new FlashDOMHandler());
 389
 390   // Set up the about:flash source.
 391   Profile* profile = Profile::FromWebUI(web_ui);
 392   content::WebUIDataSource::Add(profile, CreateFlashUIHTMLSource());
 393 }
 394
 395 // static
 396 base::RefCountedMemory* FlashUI::GetFaviconResourceBytes(
 397       ui::ScaleFactor scale_factor) {
 398   // Use the default icon for now.
 399   return NULL;
 400 }