src/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/metrics_service.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 "content/public/browser/gpu_data_manager.h"
  29 #include "content/public/browser/gpu_data_manager_observer.h"
  30 #include "content/public/browser/plugin_service.h"
  31 #include "content/public/browser/user_metrics.h"
  32 #include "content/public/browser/web_contents.h"
  33 #include "content/public/browser/web_ui.h"
  34 #include "content/public/browser/web_ui_data_source.h"
  35 #include "content/public/browser/web_ui_message_handler.h"
  36 #include "content/public/common/content_constants.h"
  37 #include "content/public/common/webplugininfo.h"
  38 #include "gpu/config/gpu_info.h"
  39 #include "grit/browser_resources.h"
  40 #include "grit/chromium_strings.h"
  41 #include "grit/generated_resources.h"
  42 #include "grit/theme_resources.h"
  43 #include "ui/base/l10n/l10n_util.h"
  44 #include "ui/base/resource/resource_bundle.h"
  45
  46 #if defined(OS_WIN)
  47 #include "base/win/windows_version.h"
  48 #endif
  49
  50 using base::ASCIIToUTF16;
  51 using base::UserMetricsAction;
  52 using content::GpuDataManager;
  53 using content::PluginService;
  54 using content::WebContents;
  55 using content::WebUIMessageHandler;
  56
  57 namespace {
  58
  59 const char kFlashPlugin[] = "Flash plugin";
  60
  61 content::WebUIDataSource* CreateFlashUIHTMLSource() {
  62   content::WebUIDataSource* source =
  63       content::WebUIDataSource::Create(chrome::kChromeUIFlashHost);
  64
  65   source->SetUseJsonJSFormatV2();
  66   source->AddLocalizedString("loadingMessage", IDS_FLASH_LOADING_MESSAGE);
  67   source->AddLocalizedString("flashLongTitle", IDS_FLASH_TITLE_MESSAGE);
  68   source->SetJsonPath("strings.js");
  69   source->AddResourcePath("about_flash.js", IDR_ABOUT_FLASH_JS);
  70   source->SetDefaultResource(IDR_ABOUT_FLASH_HTML);
  71   return source;
  72 }
  73
  74 const int kTimeout = 8 * 1000;  // 8 seconds.
  75
  76 ////////////////////////////////////////////////////////////////////////////////
  77 //
  78 // FlashDOMHandler
  79 //
  80 ////////////////////////////////////////////////////////////////////////////////
  81
  82 // The handler for JavaScript messages for the about:flags page.
  83 class FlashDOMHandler : public WebUIMessageHandler,
  84                         public CrashUploadList::Delegate,
  85                         public content::GpuDataManagerObserver {
  86  public:
  87   FlashDOMHandler();
  88   virtual ~FlashDOMHandler();
  89
  90   // WebUIMessageHandler implementation.
  91   virtual void RegisterMessages() OVERRIDE;
  92
  93   // CrashUploadList::Delegate implementation.
  94   virtual void OnUploadListAvailable() OVERRIDE;
  95
  96   // GpuDataManager::Observer implementation.
  97   virtual void OnGpuInfoUpdate() OVERRIDE;
  98
  99   // Callback for the "requestFlashInfo" message.
 100   void HandleRequestFlashInfo(const base::ListValue* args);
 101
 102   // Callback for the Flash plugin information.
 103   void OnGotPlugins(const std::vector<content::WebPluginInfo>& plugins);
 104
 105  private:
 106   // Called when we think we might have enough information to return data back
 107   // to the page.
 108   void MaybeRespondToPage();
 109
 110   // In certain cases we might not get called back from the GPU process so we
 111   // set an upper limit on the time we wait. This function gets called when the
 112   // time has passed. This actually doesn't prevent the rest of the information
 113   // to appear later, the page will just reflow when more information becomes
 114   // available.
 115   void OnTimeout();
 116
 117   // A timer to keep track of when the data fetching times out.
 118   base::OneShotTimer<FlashDOMHandler> timeout_;
 119
 120   // Crash list.
 121   scoped_refptr<CrashUploadList> upload_list_;
 122
 123   // Whether the list of all crashes is available.
 124   bool crash_list_available_;
 125   // Whether the page has requested data.
 126   bool page_has_requested_data_;
 127   // Whether the GPU data has been collected.
 128   bool has_gpu_info_;
 129   // Whether the plugin information is ready.
 130   bool has_plugin_info_;
 131
 132   base::WeakPtrFactory<FlashDOMHandler> weak_ptr_factory_;
 133
 134   DISALLOW_COPY_AND_ASSIGN(FlashDOMHandler);
 135 };
 136
 137 FlashDOMHandler::FlashDOMHandler()
 138     : crash_list_available_(false),
 139       page_has_requested_data_(false),
 140       has_gpu_info_(false),
 141       has_plugin_info_(false),
 142       weak_ptr_factory_(this) {
 143         // Request Crash data asynchronously.
 144   upload_list_ = CrashUploadList::Create(this);
 145   upload_list_->LoadUploadListAsynchronously();
 146
 147   // Watch for changes in GPUInfo.
 148   GpuDataManager::GetInstance()->AddObserver(this);
 149
 150   // Tell GpuDataManager it should have full GpuInfo. If the
 151   // GPU process has not run yet, this will trigger its launch.
 152   GpuDataManager::GetInstance()->RequestCompleteGpuInfoIfNeeded();
 153
 154   // GPU access might not be allowed at all, which will cause us not to get a
 155   // call back.
 156   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(NULL))
 157     OnGpuInfoUpdate();
 158
 159   PluginService::GetInstance()->GetPlugins(base::Bind(
 160       &FlashDOMHandler::OnGotPlugins, weak_ptr_factory_.GetWeakPtr()));
 161
 162   // And lastly, we fire off a timer to make sure we never get stuck at the
 163   // "Loading..." message.
 164   timeout_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeout),
 165                  this, &FlashDOMHandler::OnTimeout);
 166 }
 167
 168 FlashDOMHandler::~FlashDOMHandler() {
 169   GpuDataManager::GetInstance()->RemoveObserver(this);
 170   upload_list_->ClearDelegate();
 171 }
 172
 173 void FlashDOMHandler::RegisterMessages() {
 174   web_ui()->RegisterMessageCallback("requestFlashInfo",
 175       base::Bind(&FlashDOMHandler::HandleRequestFlashInfo,
 176                  base::Unretained(this)));
 177 }
 178
 179 void FlashDOMHandler::OnUploadListAvailable() {
 180   crash_list_available_ = true;
 181   MaybeRespondToPage();
 182 }
 183
 184 void AddPair(base::ListValue* list,
 185              const base::string16& key,
 186              const base::string16& value) {
 187   base::DictionaryValue* results = new base::DictionaryValue();
 188   results->SetString("key", key);
 189   results->SetString("value", value);
 190   list->Append(results);
 191 }
 192
 193 void AddPair(base::ListValue* list,
 194              const base::string16& key,
 195              const std::string& value) {
 196   AddPair(list, key, ASCIIToUTF16(value));
 197 }
 198
 199 void FlashDOMHandler::HandleRequestFlashInfo(const base::ListValue* args) {
 200   page_has_requested_data_ = true;
 201   MaybeRespondToPage();
 202 }
 203
 204 void FlashDOMHandler::OnGpuInfoUpdate() {
 205   has_gpu_info_ = true;
 206   MaybeRespondToPage();
 207 }
 208
 209 void FlashDOMHandler::OnGotPlugins(
 210     const std::vector<content::WebPluginInfo>& plugins) {
 211   has_plugin_info_ = true;
 212   MaybeRespondToPage();
 213 }
 214
 215 void FlashDOMHandler::OnTimeout() {
 216   // We don't set page_has_requested_data_ because that is guaranteed to appear
 217   // and we shouldn't be responding to the page before then.
 218   has_gpu_info_ = true;
 219   crash_list_available_ = true;
 220   has_plugin_info_ = true;
 221   MaybeRespondToPage();
 222 }
 223
 224 void FlashDOMHandler::MaybeRespondToPage() {
 225   // We don't reply until everything is ready. The page is showing a 'loading'
 226   // message until then. If you add criteria to this list, please update the
 227   // function OnTimeout() as well.
 228   if (!page_has_requested_data_ || !crash_list_available_ || !has_gpu_info_ ||
 229       !has_plugin_info_) {
 230     return;
 231   }
 232
 233   timeout_.Stop();
 234
 235   // This is code that runs only when the user types in about:flash. We don't
 236   // need to jump through hoops to offload this to the IO thread.
 237   base::ThreadRestrictions::ScopedAllowIO allow_io;
 238
 239   // Obtain the Chrome version info.
 240   chrome::VersionInfo version_info;
 241
 242   base::ListValue* list = new base::ListValue();
 243
 244   // Chrome version information.
 245   AddPair(list,
 246           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
 247           version_info.Version() + " (" +
 248           chrome::VersionInfo::GetVersionStringModifier() + ")");
 249
 250   // OS version information.
 251   std::string os_label = version_info.OSType();
 252 #if defined(OS_WIN)
 253   base::win::OSInfo* os = base::win::OSInfo::GetInstance();
 254   switch (os->version()) {
 255     case base::win::VERSION_XP: os_label += " XP"; break;
 256     case base::win::VERSION_SERVER_2003:
 257       os_label += " Server 2003 or XP Pro 64 bit";
 258       break;
 259     case base::win::VERSION_VISTA: os_label += " Vista or Server 2008"; break;
 260     case base::win::VERSION_WIN7: os_label += " 7 or Server 2008 R2"; break;
 261     case base::win::VERSION_WIN8: os_label += " 8 or Server 2012"; break;
 262     default:  os_label += " UNKNOWN"; break;
 263   }
 264   os_label += " SP" + base::IntToString(os->service_pack().major);
 265   if (os->service_pack().minor > 0)
 266     os_label += "." + base::IntToString(os->service_pack().minor);
 267   if (os->architecture() == base::win::OSInfo::X64_ARCHITECTURE)
 268     os_label += " 64 bit";
 269 #endif
 270   AddPair(list, l10n_util::GetStringUTF16(IDS_ABOUT_VERSION_OS), os_label);
 271
 272   // Obtain the version of the Flash plugins.
 273   std::vector<content::WebPluginInfo> info_array;
 274   PluginService::GetInstance()->GetPluginInfoArray(
 275       GURL(), content::kFlashPluginSwfMimeType, false, &info_array, NULL);
 276   if (info_array.empty()) {
 277     AddPair(list, ASCIIToUTF16(kFlashPlugin), "Not installed");
 278   } else {
 279     PluginPrefs* plugin_prefs =
 280         PluginPrefs::GetForProfile(Profile::FromWebUI(web_ui())).get();
 281     bool found_enabled = false;
 282     for (size_t i = 0; i < info_array.size(); ++i) {
 283       base::string16 flash_version = info_array[i].version + ASCIIToUTF16(" ") +
 284                                info_array[i].path.LossyDisplayName();
 285       if (plugin_prefs->IsPluginEnabled(info_array[i])) {
 286         // If we have already found an enabled Flash version, this one
 287         // is not used.
 288         if (found_enabled)
 289           flash_version += ASCIIToUTF16(" (not used)");
 290
 291         found_enabled = true;
 292       } else {
 293         flash_version += ASCIIToUTF16(" (disabled)");
 294       }
 295       AddPair(list, ASCIIToUTF16(kFlashPlugin), flash_version);
 296     }
 297   }
 298
 299   // Crash information.
 300   AddPair(list, base::string16(), "--- Crash data ---");
 301   bool crash_reporting_enabled =
 302       MetricsServiceHelper::IsCrashReportingEnabled();
 303   if (crash_reporting_enabled) {
 304     std::vector<CrashUploadList::UploadInfo> crashes;
 305     upload_list_->GetUploads(10, &crashes);
 306
 307     for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
 308          i != crashes.end(); ++i) {
 309       base::string16 crash_string(ASCIIToUTF16(i->id));
 310       crash_string += ASCIIToUTF16(" ");
 311       crash_string += base::TimeFormatFriendlyDateAndTime(i->time);
 312       AddPair(list, ASCIIToUTF16("crash id"), crash_string);
 313     }
 314   } else {
 315     AddPair(list, ASCIIToUTF16("Crash Reporting"),
 316                   "Enable crash reporting to see crash IDs");
 317     AddPair(list, ASCIIToUTF16("For more details"),
 318                   chrome::kLearnMoreReportingURL);
 319   }
 320
 321   // GPU information.
 322   AddPair(list, base::string16(), "--- GPU information ---");
 323   gpu::GPUInfo gpu_info = GpuDataManager::GetInstance()->GetGPUInfo();
 324
 325   std::string reason;
 326   if (!GpuDataManager::GetInstance()->GpuAccessAllowed(&reason)) {
 327     AddPair(list, ASCIIToUTF16("WARNING:"),
 328             "GPU access is not allowed: " + reason);
 329   }
 330 #if defined(OS_WIN)
 331   const gpu::DxDiagNode& node = gpu_info.dx_diagnostics;
 332   for (std::map<std::string, gpu::DxDiagNode>::const_iterator it =
 333            node.children.begin();
 334        it != node.children.end();
 335        ++it) {
 336     for (std::map<std::string, std::string>::const_iterator it2 =
 337              it->second.values.begin();
 338          it2 != it->second.values.end();
 339          ++it2) {
 340       if (!it2->second.empty()) {
 341         if (it2->first == "szDescription") {
 342           AddPair(list, ASCIIToUTF16("Graphics card"), it2->second);
 343         } else if (it2->first == "szDriverNodeStrongName") {
 344           AddPair(list, ASCIIToUTF16("Driver name (strong)"), it2->second);
 345         } else if (it2->first == "szDriverName") {
 346           AddPair(list, ASCIIToUTF16("Driver display name"), it2->second);
 347         }
 348       }
 349     }
 350   }
 351 #endif
 352
 353   AddPair(list, base::string16(), "--- GPU driver, more information ---");
 354   AddPair(list,
 355           ASCIIToUTF16("Vendor Id"),
 356           base::StringPrintf("0x%04x", gpu_info.gpu.vendor_id));
 357   AddPair(list,
 358           ASCIIToUTF16("Device Id"),
 359           base::StringPrintf("0x%04x", gpu_info.gpu.device_id));
 360   AddPair(list, ASCIIToUTF16("Driver vendor"), gpu_info.driver_vendor);
 361   AddPair(list, ASCIIToUTF16("Driver version"), gpu_info.driver_version);
 362   AddPair(list, ASCIIToUTF16("Driver date"), gpu_info.driver_date);
 363   AddPair(list,
 364           ASCIIToUTF16("Pixel shader version"),
 365           gpu_info.pixel_shader_version);
 366   AddPair(list,
 367           ASCIIToUTF16("Vertex shader version"),
 368           gpu_info.vertex_shader_version);
 369   AddPair(list, ASCIIToUTF16("GL version"), gpu_info.gl_version);
 370   AddPair(list, ASCIIToUTF16("GL_VENDOR"), gpu_info.gl_vendor);
 371   AddPair(list, ASCIIToUTF16("GL_RENDERER"), gpu_info.gl_renderer);
 372   AddPair(list, ASCIIToUTF16("GL_VERSION"), gpu_info.gl_version_string);
 373   AddPair(list, ASCIIToUTF16("GL_EXTENSIONS"), gpu_info.gl_extensions);
 374
 375   base::DictionaryValue flashInfo;
 376   flashInfo.Set("flashInfo", list);
 377   web_ui()->CallJavascriptFunction("returnFlashInfo", flashInfo);
 378 }
 379
 380 }  // namespace
 381
 382 ///////////////////////////////////////////////////////////////////////////////
 383 //
 384 // FlashUI
 385 //
 386 ///////////////////////////////////////////////////////////////////////////////
 387
 388 FlashUI::FlashUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 389   content::RecordAction(
 390       UserMetricsAction("ViewAboutFlash"));
 391
 392   web_ui->AddMessageHandler(new FlashDOMHandler());
 393
 394   // Set up the about:flash source.
 395   Profile* profile = Profile::FromWebUI(web_ui);
 396   content::WebUIDataSource::Add(profile, CreateFlashUIHTMLSource());
 397 }
 398
 399 // static
 400 base::RefCountedMemory* FlashUI::GetFaviconResourceBytes(
 401       ui::ScaleFactor scale_factor) {
 402   // Use the default icon for now.
 403   return NULL;
 404 }