chrome/browser/ui/webui/chrome_web_ui_controller_factory.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/chrome_web_ui_controller_factory.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/location.h"
  10 #include "base/message_loop/message_loop_proxy.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "chrome/browser/about_flags.h"
  13 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
  14 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
  15 #include "chrome/browser/extensions/extension_web_ui.h"
  16 #include "chrome/browser/history/history_types.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/profiles/profile_manager.h"
  19 #include "chrome/browser/ui/webui/about_ui.h"
  20 #include "chrome/browser/ui/webui/app_launcher_page_ui.h"
  21 #include "chrome/browser/ui/webui/bookmarks_ui.h"
  22 #include "chrome/browser/ui/webui/components_ui.h"
  23 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
  24 #include "chrome/browser/ui/webui/crashes_ui.h"
  25 #include "chrome/browser/ui/webui/devtools_ui.h"
  26 #include "chrome/browser/ui/webui/downloads_ui.h"
  27 #include "chrome/browser/ui/webui/extensions/extension_info_ui.h"
  28 #include "chrome/browser/ui/webui/extensions/extensions_ui.h"
  29 #include "chrome/browser/ui/webui/flags_ui.h"
  30 #include "chrome/browser/ui/webui/flash_ui.h"
  31 #include "chrome/browser/ui/webui/gcm_internals_ui.h"
  32 #include "chrome/browser/ui/webui/help/help_ui.h"
  33 #include "chrome/browser/ui/webui/history_ui.h"
  34 #include "chrome/browser/ui/webui/identity_internals_ui.h"
  35 #include "chrome/browser/ui/webui/inspect_ui.h"
  36 #include "chrome/browser/ui/webui/instant_ui.h"
  37 #include "chrome/browser/ui/webui/invalidations_ui.h"
  38 #include "chrome/browser/ui/webui/memory_internals/memory_internals_ui.h"
  39 #include "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
  40 #include "chrome/browser/ui/webui/omnibox/omnibox_ui.h"
  41 #include "chrome/browser/ui/webui/options/options_ui.h"
  42 #include "chrome/browser/ui/webui/password_manager_internals/password_manager_internals_ui.h"
  43 #include "chrome/browser/ui/webui/performance_monitor/performance_monitor_ui.h"
  44 #include "chrome/browser/ui/webui/plugins_ui.h"
  45 #include "chrome/browser/ui/webui/predictors/predictors_ui.h"
  46 #include "chrome/browser/ui/webui/profiler_ui.h"
  47 #include "chrome/browser/ui/webui/quota_internals/quota_internals_ui.h"
  48 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
  49 #include "chrome/browser/ui/webui/signin/profile_signin_confirmation_ui.h"
  50 #include "chrome/browser/ui/webui/signin/user_manager_ui.h"
  51 #include "chrome/browser/ui/webui/signin_internals_ui.h"
  52 #include "chrome/browser/ui/webui/sync_internals_ui.h"
  53 #include "chrome/browser/ui/webui/translate_internals/translate_internals_ui.h"
  54 #include "chrome/browser/ui/webui/user_actions/user_actions_ui.h"
  55 #include "chrome/browser/ui/webui/version_ui.h"
  56 #include "chrome/common/chrome_switches.h"
  57 #include "chrome/common/extensions/extension_constants.h"
  58 #include "chrome/common/pref_names.h"
  59 #include "chrome/common/url_constants.h"
  60 #include "components/dom_distiller/core/dom_distiller_constants.h"
  61 #include "components/dom_distiller/core/dom_distiller_service.h"
  62 #include "components/dom_distiller/webui/dom_distiller_ui.h"
  63 #include "components/password_manager/core/common/password_manager_switches.h"
  64 #include "components/signin/core/common/profile_management_switches.h"
  65 #include "content/public/browser/web_contents.h"
  66 #include "content/public/browser/web_ui.h"
  67 #include "content/public/common/content_client.h"
  68 #include "content/public/common/url_utils.h"
  69 #include "extensions/browser/extension_registry.h"
  70 #include "extensions/browser/extension_system.h"
  71 #include "extensions/common/constants.h"
  72 #include "extensions/common/extension.h"
  73 #include "extensions/common/feature_switch.h"
  74 #include "extensions/common/manifest.h"
  75 #include "ui/gfx/favicon_size.h"
  76 #include "ui/web_dialogs/web_dialog_ui.h"
  77 #include "url/gurl.h"
  78
  79 #if !defined(DISABLE_NACL)
  80 #include "chrome/browser/ui/webui/nacl_ui.h"
  81 #endif
  82
  83 #if defined(ENABLE_CONFIGURATION_POLICY)
  84 #include "chrome/browser/ui/webui/policy_ui.h"
  85 #endif
  86
  87 #if defined(ENABLE_WEBRTC)
  88 #include "chrome/browser/ui/webui/media/webrtc_logs_ui.h"
  89 #endif
  90
  91 #if defined(ENABLE_FULL_PRINTING)
  92 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
  93 #endif
  94
  95 #if defined(OS_ANDROID)
  96 #include "chrome/browser/ui/webui/welcome_ui_android.h"
  97 #else
  98 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
  99 #include "chrome/browser/ui/webui/suggestions_internals/suggestions_internals_ui.h"
 100 #include "chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_ui.h"
 101 #include "chrome/browser/ui/webui/system_info_ui.h"
 102 #include "chrome/browser/ui/webui/uber/uber_ui.h"
 103 #endif
 104
 105 #if defined(OS_ANDROID) || defined(OS_IOS)
 106 #include "chrome/browser/ui/webui/net_export_ui.h"
 107 #endif
 108
 109 #if defined(OS_CHROMEOS)
 110 #include "chrome/browser/ui/webui/chromeos/bluetooth_pairing_ui.h"
 111 #include "chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.h"
 112 #include "chrome/browser/ui/webui/chromeos/charger_replacement_ui.h"
 113 #include "chrome/browser/ui/webui/chromeos/choose_mobile_network_ui.h"
 114 #include "chrome/browser/ui/webui/chromeos/cryptohome_ui.h"
 115 #include "chrome/browser/ui/webui/chromeos/drive_internals_ui.h"
 116 #include "chrome/browser/ui/webui/chromeos/first_run/first_run_ui.h"
 117 #include "chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.h"
 118 #include "chrome/browser/ui/webui/chromeos/keyboard_overlay_ui.h"
 119 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 120 #include "chrome/browser/ui/webui/chromeos/mobile_setup_ui.h"
 121 #include "chrome/browser/ui/webui/chromeos/network_ui.h"
 122 #include "chrome/browser/ui/webui/chromeos/nfc_debug_ui.h"
 123 #include "chrome/browser/ui/webui/chromeos/power_ui.h"
 124 #include "chrome/browser/ui/webui/chromeos/proxy_settings_ui.h"
 125 #include "chrome/browser/ui/webui/chromeos/salsa_ui.h"
 126 #include "chrome/browser/ui/webui/chromeos/set_time_ui.h"
 127 #include "chrome/browser/ui/webui/chromeos/sim_unlock_ui.h"
 128 #include "chrome/browser/ui/webui/chromeos/slow_trace_ui.h"
 129 #include "chrome/browser/ui/webui/chromeos/slow_ui.h"
 130 #endif
 131
 132 #if defined(USE_AURA)
 133 #include "chrome/browser/ui/webui/gesture_config_ui.h"
 134 #endif
 135
 136 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
 137 #include "chrome/browser/ui/sync/sync_promo_ui.h"
 138 #endif
 139
 140 #if defined(OS_WIN)
 141 #include "chrome/browser/ui/webui/conflicts_ui.h"
 142 #include "chrome/browser/ui/webui/set_as_default_browser_ui.h"
 143 #endif
 144
 145 #if (defined(USE_NSS) || defined(USE_OPENSSL)) && defined(USE_AURA)
 146 #include "chrome/browser/ui/webui/certificate_viewer_ui.h"
 147 #endif
 148
 149 #if defined(ENABLE_SERVICE_DISCOVERY)
 150 #include "chrome/browser/ui/webui/local_discovery/local_discovery_ui.h"
 151 #endif
 152
 153 #if defined(ENABLE_APP_LIST)
 154 #include "chrome/browser/ui/webui/app_list/start_page_ui.h"
 155 #endif
 156
 157 using content::WebUI;
 158 using content::WebUIController;
 159 using ui::ExternalWebDialogUI;
 160 using ui::WebDialogUI;
 161
 162 namespace {
 163
 164 // A function for creating a new WebUI. The caller owns the return value, which
 165 // may be NULL (for example, if the URL refers to an non-existent extension).
 166 typedef WebUIController* (*WebUIFactoryFunction)(WebUI* web_ui,
 167                                                  const GURL& url);
 168
 169 // Template for defining WebUIFactoryFunction.
 170 template<class T>
 171 WebUIController* NewWebUI(WebUI* web_ui, const GURL& url) {
 172   return new T(web_ui);
 173 }
 174
 175 #if defined(ENABLE_EXTENSIONS)
 176 // Special cases for extensions.
 177 template<>
 178 WebUIController* NewWebUI<ExtensionWebUI>(WebUI* web_ui,
 179                                           const GURL& url) {
 180   return new ExtensionWebUI(web_ui, url);
 181 }
 182 #endif  // defined(ENABLE_EXTENSIONS)
 183
 184 // Special case for older about: handlers.
 185 template<>
 186 WebUIController* NewWebUI<AboutUI>(WebUI* web_ui, const GURL& url) {
 187   return new AboutUI(web_ui, url.host());
 188 }
 189
 190 #if defined(OS_CHROMEOS)
 191 template<>
 192 WebUIController* NewWebUI<chromeos::OobeUI>(WebUI* web_ui, const GURL& url) {
 193   return new chromeos::OobeUI(web_ui, url);
 194 }
 195 #endif
 196
 197 // Special cases for DOM distiller.
 198 template<>
 199 WebUIController* NewWebUI<dom_distiller::DomDistillerUi>(WebUI* web_ui,
 200                                                          const GURL& url) {
 201   // The DomDistillerUi can not depend on components/dom_distiller/content,
 202   // so inject the correct DomDistillerService from chrome/.
 203   content::BrowserContext* browser_context =
 204       web_ui->GetWebContents()->GetBrowserContext();
 205   dom_distiller::DomDistillerService* service =
 206       dom_distiller::DomDistillerServiceFactory::GetForBrowserContext(
 207           browser_context);
 208   return new dom_distiller::DomDistillerUi(web_ui,
 209                                            service,
 210                                            chrome::kDomDistillerScheme);
 211 }
 212
 213 // Only create ExtensionWebUI for URLs that are allowed extension bindings,
 214 // hosted by actual tabs.
 215 bool NeedsExtensionWebUI(Profile* profile, const GURL& url) {
 216   if (!profile)
 217     return false;
 218
 219   const extensions::Extension* extension =
 220       extensions::ExtensionRegistry::Get(profile)->enabled_extensions().
 221           GetExtensionOrAppByURL(url);
 222   // Allow bindings for all packaged extensions and component hosted apps.
 223   return extension &&
 224       (!extension->is_hosted_app() ||
 225        extension->location() == extensions::Manifest::COMPONENT);
 226 }
 227
 228 // Returns a function that can be used to create the right type of WebUI for a
 229 // tab, based on its URL. Returns NULL if the URL doesn't have WebUI associated
 230 // with it.
 231 WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
 232                                              Profile* profile,
 233                                              const GURL& url) {
 234 #if defined(ENABLE_EXTENSIONS)
 235   if (NeedsExtensionWebUI(profile, url))
 236     return &NewWebUI<ExtensionWebUI>;
 237 #endif
 238
 239   // This will get called a lot to check all URLs, so do a quick check of other
 240   // schemes to filter out most URLs.
 241   if (!url.SchemeIs(content::kChromeDevToolsScheme) &&
 242       !url.SchemeIs(content::kChromeUIScheme)) {
 243     return NULL;
 244   }
 245
 246   /****************************************************************************
 247    * Please keep this in alphabetical order. If #ifs or special logics are
 248    * required, add it below in the appropriate section.
 249    ***************************************************************************/
 250   // We must compare hosts only since some of the Web UIs append extra stuff
 251   // after the host name.
 252   // All platform builds of Chrome will need to have a cloud printing
 253   // dialog as backup.  It's just that on Chrome OS, it's the only
 254   // print dialog.
 255   if (url.host() == chrome::kChromeUICloudPrintResourcesHost)
 256     return &NewWebUI<ExternalWebDialogUI>;
 257   if (url.host() == chrome::kChromeUICloudPrintSetupHost)
 258     return &NewWebUI<WebDialogUI>;
 259   if (url.host() == chrome::kChromeUIComponentsHost)
 260     return &NewWebUI<ComponentsUI>;
 261   if (url.spec() == chrome::kChromeUIConstrainedHTMLTestURL)
 262     return &NewWebUI<ConstrainedWebDialogUI>;
 263   if (url.host() == chrome::kChromeUICrashesHost)
 264     return &NewWebUI<CrashesUI>;
 265 #if defined(ENABLE_SERVICE_DISCOVERY)
 266   if (url.host() == chrome::kChromeUIDevicesHost &&
 267       !CommandLine::ForCurrentProcess()->HasSwitch(
 268            switches::kDisableDeviceDiscovery)) {
 269     return &NewWebUI<LocalDiscoveryUI>;
 270   }
 271 #endif
 272   if (url.host() == chrome::kChromeUIFlagsHost)
 273     return &NewWebUI<FlagsUI>;
 274   if (url.host() == chrome::kChromeUIHistoryFrameHost)
 275     return &NewWebUI<HistoryUI>;
 276   if (url.host() == chrome::kChromeUIInstantHost)
 277     return &NewWebUI<InstantUI>;
 278   if (url.host() == chrome::kChromeUIInvalidationsHost)
 279     return &NewWebUI<InvalidationsUI>;
 280   if (url.host() == chrome::kChromeUIManagedUserPassphrasePageHost)
 281     return &NewWebUI<ConstrainedWebDialogUI>;
 282   if (url.host() == chrome::kChromeUIMemoryInternalsHost)
 283     return &NewWebUI<MemoryInternalsUI>;
 284 #if !defined(DISABLE_NACL)
 285   if (url.host() == chrome::kChromeUINaClHost)
 286     return &NewWebUI<NaClUI>;
 287 #endif
 288 #if defined(OS_ANDROID) || defined(OS_IOS)
 289   if (url.host() == chrome::kChromeUINetExportHost)
 290     return &NewWebUI<NetExportUI>;
 291 #endif
 292   if (url.host() == chrome::kChromeUINetInternalsHost)
 293     return &NewWebUI<NetInternalsUI>;
 294 #if !defined(OS_ANDROID)
 295   if (url.host() == chrome::kChromeUINewTabHost)
 296     return &NewWebUI<NewTabUI>;
 297 #endif
 298   if (url.host() == chrome::kChromeUIOmniboxHost)
 299     return &NewWebUI<OmniboxUI>;
 300   if (url.host() == chrome::kChromeUIPasswordManagerInternalsHost &&
 301       CommandLine::ForCurrentProcess()->HasSwitch(
 302           password_manager::switches::kEnablePasswordManagerInternalsUI)) {
 303     return &NewWebUI<PasswordManagerInternalsUI>;
 304   }
 305   if (url.host() == chrome::kChromeUIPredictorsHost)
 306     return &NewWebUI<PredictorsUI>;
 307   if (url.host() == chrome::kChromeUIProfilerHost)
 308     return &NewWebUI<ProfilerUI>;
 309   if (url.host() == chrome::kChromeUIQuotaInternalsHost)
 310     return &NewWebUI<QuotaInternalsUI>;
 311   if (url.host() == chrome::kChromeUISignInInternalsHost)
 312     return &NewWebUI<SignInInternalsUI>;
 313   if (url.host() == chrome::kChromeUISyncInternalsHost)
 314     return &NewWebUI<SyncInternalsUI>;
 315   if (url.host() == chrome::kChromeUISyncResourcesHost)
 316     return &NewWebUI<WebDialogUI>;
 317   if (url.host() == chrome::kChromeUITranslateInternalsHost)
 318     return &NewWebUI<TranslateInternalsUI>;
 319   if (url.host() == chrome::kChromeUIUserActionsHost)
 320     return &NewWebUI<UserActionsUI>;
 321   if (url.host() == chrome::kChromeUIVersionHost)
 322     return &NewWebUI<VersionUI>;
 323 #if defined(ENABLE_WEBRTC)
 324   if (url.host() == chrome::kChromeUIWebRtcLogsHost)
 325     return &NewWebUI<WebRtcLogsUI>;
 326 #endif
 327 #if defined(ENABLE_APP_LIST)
 328   if (url.host() == chrome::kChromeUIAppListStartPageHost)
 329     return &NewWebUI<app_list::StartPageUI>;
 330 #endif
 331
 332   /****************************************************************************
 333    * OS Specific #defines
 334    ***************************************************************************/
 335 #if defined(OS_ANDROID)
 336   if (url.host() == chrome::kChromeUIWelcomeHost)
 337     return &NewWebUI<WelcomeUI>;
 338 #else
 339   // AppLauncherPage is not needed on Android.
 340   if (url.host() == chrome::kChromeUIAppLauncherPageHost &&
 341       profile && extensions::ExtensionSystem::Get(profile)->
 342           extension_service()) {
 343     return &NewWebUI<AppLauncherPageUI>;
 344   }
 345   // Bookmarks are part of NTP on Android.
 346   if (url.host() == chrome::kChromeUIBookmarksHost)
 347     return &NewWebUI<BookmarksUI>;
 348   if (url.SchemeIs(content::kChromeDevToolsScheme))
 349     return &NewWebUI<DevToolsUI>;
 350   // Downloads list on Android uses the built-in download manager.
 351   if (url.host() == chrome::kChromeUIDownloadsHost)
 352     return &NewWebUI<DownloadsUI>;
 353   // Flash is not available on android.
 354   if (url.host() == chrome::kChromeUIFlashHost)
 355     return &NewWebUI<FlashUI>;
 356   if (url.host() == chrome::kChromeUIGCMInternalsHost)
 357     return &NewWebUI<GCMInternalsUI>;
 358   // Help is implemented with native UI elements on Android.
 359   if (url.host() == chrome::kChromeUIHelpFrameHost)
 360     return &NewWebUI<HelpUI>;
 361   // Identity API is not available on Android.
 362   if (url.host() == chrome::kChromeUIIdentityInternalsHost)
 363     return &NewWebUI<IdentityInternalsUI>;
 364   // chrome://inspect isn't supported on Android. Page debugging is handled by a
 365   // remote devtools on the host machine, and other elements (Shared Workers,
 366   // extensions, etc) aren't supported.
 367   if (url.host() == chrome::kChromeUIInspectHost)
 368     return &NewWebUI<InspectUI>;
 369   // Performance monitoring page is not on Android for now.
 370   if (url.host() == chrome::kChromeUIPerformanceMonitorHost)
 371     return &NewWebUI<performance_monitor::PerformanceMonitorUI>;
 372   // Android does not support plugins for now.
 373   if (url.host() == chrome::kChromeUIPluginsHost)
 374     return &NewWebUI<PluginsUI>;
 375   // Settings are implemented with native UI elements on Android.
 376   if (url.host() == chrome::kChromeUISettingsFrameHost)
 377     return &NewWebUI<options::OptionsUI>;
 378   if (url.host() == chrome::kChromeUISuggestionsInternalsHost)
 379     return &NewWebUI<SuggestionsInternalsUI>;
 380   if (url.host() == chrome::kChromeUISyncFileSystemInternalsHost)
 381     return &NewWebUI<SyncFileSystemInternalsUI>;
 382   if (url.host() == chrome::kChromeUISystemInfoHost)
 383     return &NewWebUI<SystemInfoUI>;
 384   // Uber frame is not used on Android.
 385   if (url.host() == chrome::kChromeUIUberFrameHost)
 386     return &NewWebUI<UberFrameUI>;
 387   // Uber page is not used on Android.
 388   if (url.host() == chrome::kChromeUIUberHost)
 389     return &NewWebUI<UberUI>;
 390 #endif
 391 #if defined(OS_WIN)
 392   if (url.host() == chrome::kChromeUIConflictsHost)
 393     return &NewWebUI<ConflictsUI>;
 394   if (url.host() == chrome::kChromeUIMetroFlowHost)
 395     return &NewWebUI<SetAsDefaultBrowserUI>;
 396 #endif
 397 #if (defined(USE_NSS) || defined(USE_OPENSSL)) && defined(USE_AURA)
 398   if (url.host() == chrome::kChromeUICertificateViewerHost)
 399     return &NewWebUI<CertificateViewerUI>;
 400 #if defined(OS_CHROMEOS)
 401   if (url.host() == chrome::kChromeUICertificateViewerDialogHost)
 402     return &NewWebUI<CertificateViewerModalDialogUI>;
 403 #endif
 404 #endif
 405 #if defined(OS_CHROMEOS)
 406   if (url.host() == chrome::kChromeUIBluetoothPairingHost)
 407     return &NewWebUI<chromeos::BluetoothPairingUI>;
 408   if (url.host() == chrome::kChromeUICertificateManagerHost)
 409     return &NewWebUI<chromeos::CertificateManagerDialogUI>;
 410   if (url.host() == chrome::kChromeUIChargerReplacementHost)
 411     return &NewWebUI<chromeos::ChargerReplacementUI>;
 412   if (url.host() == chrome::kChromeUIChooseMobileNetworkHost)
 413     return &NewWebUI<chromeos::ChooseMobileNetworkUI>;
 414   if (url.host() == chrome::kChromeUICryptohomeHost)
 415     return &NewWebUI<chromeos::CryptohomeUI>;
 416   if (url.host() == chrome::kChromeUIDriveInternalsHost)
 417     return &NewWebUI<chromeos::DriveInternalsUI>;
 418   if (url.host() == chrome::kChromeUIFirstRunHost)
 419     return &NewWebUI<chromeos::FirstRunUI>;
 420   if (url.host() == chrome::kChromeUIImageBurnerHost)
 421     return &NewWebUI<ImageBurnUI>;
 422   if (url.host() == chrome::kChromeUIKeyboardOverlayHost)
 423     return &NewWebUI<KeyboardOverlayUI>;
 424   if (url.host() == chrome::kChromeUIMobileSetupHost)
 425     return &NewWebUI<MobileSetupUI>;
 426   if (url.host() == chrome::kChromeUINfcDebugHost)
 427     return &NewWebUI<chromeos::NfcDebugUI>;
 428   if (url.host() == chrome::kChromeUIOobeHost)
 429     return &NewWebUI<chromeos::OobeUI>;
 430   if (url.host() == chrome::kChromeUIProxySettingsHost)
 431     return &NewWebUI<chromeos::ProxySettingsUI>;
 432   if (url.host() == chrome::kChromeUISalsaHost)
 433     return &NewWebUI<SalsaUI>;
 434   if (url.host() == chrome::kChromeUISetTimeHost)
 435     return &NewWebUI<chromeos::SetTimeUI>;
 436   if (url.host() == chrome::kChromeUISimUnlockHost)
 437     return &NewWebUI<chromeos::SimUnlockUI>;
 438   if (url.host() == chrome::kChromeUISlowHost)
 439     return &NewWebUI<chromeos::SlowUI>;
 440   if (url.host() == chrome::kChromeUISlowTraceHost)
 441     return &NewWebUI<chromeos::SlowTraceController>;
 442   if (url.host() == chrome::kChromeUINetworkHost)
 443     return &NewWebUI<chromeos::NetworkUI>;
 444   if (url.host() == chrome::kChromeUIPowerHost)
 445     return &NewWebUI<chromeos::PowerUI>;
 446 #endif  // defined(OS_CHROMEOS)
 447 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 448   if (url.host() == chrome::kChromeUIChromeSigninHost)
 449     return &NewWebUI<InlineLoginUI>;
 450 #endif
 451
 452   /****************************************************************************
 453    * Other #defines and special logics.
 454    ***************************************************************************/
 455 #if defined(ENABLE_CONFIGURATION_POLICY)
 456   if (url.host() == chrome::kChromeUIPolicyHost)
 457     return &NewWebUI<PolicyUI>;
 458
 459 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
 460   if (url.host() == chrome::kChromeUIProfileSigninConfirmationHost)
 461     return &NewWebUI<ProfileSigninConfirmationUI>;
 462 #endif
 463
 464 #endif  // defined(ENABLE_CONFIGURATION_POLICY)
 465
 466 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 467   if (url.host() == chrome::kChromeUITabModalConfirmDialogHost) {
 468     return &NewWebUI<ConstrainedWebDialogUI>;
 469   }
 470 #endif
 471
 472 #if defined(USE_AURA)
 473   if (url.host() == chrome::kChromeUIGestureConfigHost)
 474     return &NewWebUI<GestureConfigUI>;
 475 #endif
 476
 477 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) && !defined(OS_IOS)
 478   if (url.host() == chrome::kChromeUIUserManagerHost &&
 479       switches::IsNewProfileManagement()) {
 480     return &NewWebUI<UserManagerUI>;
 481   }
 482 #endif
 483
 484   if (url.host() == chrome::kChromeUIChromeURLsHost ||
 485       url.host() == chrome::kChromeUICreditsHost ||
 486       url.host() == chrome::kChromeUIDNSHost ||
 487       url.host() == chrome::kChromeUIMemoryHost ||
 488       url.host() == chrome::kChromeUIMemoryRedirectHost ||
 489       url.host() == chrome::kChromeUIStatsHost ||
 490       url.host() == chrome::kChromeUITermsHost
 491 #if defined(OS_LINUX) || defined(OS_OPENBSD)
 492       || url.host() == chrome::kChromeUILinuxProxyConfigHost
 493       || url.host() == chrome::kChromeUISandboxHost
 494 #endif
 495 #if defined(OS_CHROMEOS)
 496       || url.host() == chrome::kChromeUIDiscardsHost
 497       || url.host() == chrome::kChromeUIOSCreditsHost
 498 #endif
 499 #if defined(WEBUI_TASK_MANAGER)
 500       || url.host() == chrome::kChromeUITaskManagerHost
 501 #endif
 502       ) {
 503     return &NewWebUI<AboutUI>;
 504   }
 505
 506 #if defined(ENABLE_EXTENSIONS)
 507   if (url.host() == chrome::kChromeUIExtensionsFrameHost)
 508     return &NewWebUI<extensions::ExtensionsUI>;
 509 #endif
 510 #if defined(ENABLE_FULL_PRINTING)
 511   if (url.host() == chrome::kChromeUIPrintHost &&
 512       !profile->GetPrefs()->GetBoolean(prefs::kPrintPreviewDisabled))
 513     return &NewWebUI<PrintPreviewUI>;
 514 #endif
 515
 516   if (IsEnableDomDistillerSet() &&
 517       url.host() == dom_distiller::kChromeUIDomDistillerHost) {
 518     return &NewWebUI<dom_distiller::DomDistillerUi>;
 519   }
 520
 521   return NULL;
 522 }
 523
 524 void RunFaviconCallbackAsync(
 525     const FaviconService::FaviconResultsCallback& callback,
 526     const std::vector<favicon_base::FaviconBitmapResult>* results) {
 527   base::MessageLoopProxy::current()->PostTask(
 528       FROM_HERE,
 529       base::Bind(&FaviconService::FaviconResultsCallbackRunner,
 530                  callback, base::Owned(results)));
 531 }
 532
 533 }  // namespace
 534
 535 WebUI::TypeID ChromeWebUIControllerFactory::GetWebUIType(
 536       content::BrowserContext* browser_context, const GURL& url) const {
 537   Profile* profile = Profile::FromBrowserContext(browser_context);
 538   WebUIFactoryFunction function = GetWebUIFactoryFunction(NULL, profile, url);
 539   return function ? reinterpret_cast<WebUI::TypeID>(function) : WebUI::kNoWebUI;
 540 }
 541
 542 bool ChromeWebUIControllerFactory::UseWebUIForURL(
 543     content::BrowserContext* browser_context, const GURL& url) const {
 544   return GetWebUIType(browser_context, url) != WebUI::kNoWebUI;
 545 }
 546
 547 bool ChromeWebUIControllerFactory::UseWebUIBindingsForURL(
 548     content::BrowserContext* browser_context, const GURL& url) const {
 549   // Extensions are rendered via WebUI in tabs, but don't actually need WebUI
 550   // bindings (see the ExtensionWebUI constructor).
 551   return
 552       !NeedsExtensionWebUI(Profile::FromBrowserContext(browser_context), url) &&
 553       UseWebUIForURL(browser_context, url);
 554 }
 555
 556 WebUIController* ChromeWebUIControllerFactory::CreateWebUIControllerForURL(
 557     WebUI* web_ui,
 558     const GURL& url) const {
 559   Profile* profile = Profile::FromWebUI(web_ui);
 560   WebUIFactoryFunction function = GetWebUIFactoryFunction(web_ui, profile, url);
 561   if (!function)
 562     return NULL;
 563
 564   return (*function)(web_ui, url);
 565 }
 566
 567 void ChromeWebUIControllerFactory::GetFaviconForURL(
 568     Profile* profile,
 569     const GURL& page_url,
 570     const std::vector<ui::ScaleFactor>& scale_factors,
 571     const FaviconService::FaviconResultsCallback& callback) const {
 572   // Before determining whether page_url is an extension url, we must handle
 573   // overrides. This changes urls in |kChromeUIScheme| to extension urls, and
 574   // allows to use ExtensionWebUI::GetFaviconForURL.
 575   GURL url(page_url);
 576   ExtensionWebUI::HandleChromeURLOverride(&url, profile);
 577
 578   // All extensions but the bookmark manager get their favicon from the icons
 579   // part of the manifest.
 580   if (url.SchemeIs(extensions::kExtensionScheme) &&
 581       url.host() != extension_misc::kBookmarkManagerId) {
 582 #if defined(ENABLE_EXTENSIONS)
 583     ExtensionWebUI::GetFaviconForURL(profile, url, callback);
 584 #else
 585     RunFaviconCallbackAsync(
 586         callback, new std::vector<favicon_base::FaviconBitmapResult>());
 587 #endif
 588     return;
 589   }
 590
 591   std::vector<favicon_base::FaviconBitmapResult>* favicon_bitmap_results =
 592       new std::vector<favicon_base::FaviconBitmapResult>();
 593
 594   for (size_t i = 0; i < scale_factors.size(); ++i) {
 595     scoped_refptr<base::RefCountedMemory> bitmap(GetFaviconResourceBytes(
 596           url, scale_factors[i]));
 597     if (bitmap.get() && bitmap->size()) {
 598       favicon_base::FaviconBitmapResult bitmap_result;
 599       bitmap_result.bitmap_data = bitmap;
 600       // Leave |bitmap_result|'s icon URL as the default of GURL().
 601       bitmap_result.icon_type = favicon_base::FAVICON;
 602       favicon_bitmap_results->push_back(bitmap_result);
 603
 604       // Assume that |bitmap| is |gfx::kFaviconSize| x |gfx::kFaviconSize|
 605       // DIP.
 606       float scale = ui::GetImageScale(scale_factors[i]);
 607       int edge_pixel_size =
 608           static_cast<int>(gfx::kFaviconSize * scale + 0.5f);
 609       bitmap_result.pixel_size = gfx::Size(edge_pixel_size, edge_pixel_size);
 610     }
 611   }
 612
 613   RunFaviconCallbackAsync(callback, favicon_bitmap_results);
 614 }
 615
 616 // static
 617 ChromeWebUIControllerFactory* ChromeWebUIControllerFactory::GetInstance() {
 618   return Singleton<ChromeWebUIControllerFactory>::get();
 619 }
 620
 621 ChromeWebUIControllerFactory::ChromeWebUIControllerFactory() {
 622 }
 623
 624 ChromeWebUIControllerFactory::~ChromeWebUIControllerFactory() {
 625 }
 626
 627 base::RefCountedMemory* ChromeWebUIControllerFactory::GetFaviconResourceBytes(
 628     const GURL& page_url, ui::ScaleFactor scale_factor) const {
 629 #if !defined(OS_ANDROID)  // Bookmarks are part of NTP on Android.
 630   // The bookmark manager is a chrome extension, so we have to check for it
 631   // before we check for extension scheme.
 632   if (page_url.host() == extension_misc::kBookmarkManagerId)
 633     return BookmarksUI::GetFaviconResourceBytes(scale_factor);
 634
 635   // The extension scheme is handled in GetFaviconForURL.
 636   if (page_url.SchemeIs(extensions::kExtensionScheme)) {
 637     NOTREACHED();
 638     return NULL;
 639   }
 640 #endif
 641
 642   if (!content::HasWebUIScheme(page_url))
 643     return NULL;
 644
 645   if (page_url.host() == chrome::kChromeUIComponentsHost)
 646     return ComponentsUI::GetFaviconResourceBytes(scale_factor);
 647
 648 #if defined(OS_WIN)
 649   if (page_url.host() == chrome::kChromeUIConflictsHost)
 650     return ConflictsUI::GetFaviconResourceBytes(scale_factor);
 651 #endif
 652
 653   if (page_url.host() == chrome::kChromeUICrashesHost)
 654     return CrashesUI::GetFaviconResourceBytes(scale_factor);
 655
 656   if (page_url.host() == chrome::kChromeUIFlagsHost)
 657     return FlagsUI::GetFaviconResourceBytes(scale_factor);
 658
 659   if (page_url.host() == chrome::kChromeUIHistoryHost)
 660     return HistoryUI::GetFaviconResourceBytes(scale_factor);
 661
 662 #if !defined(OS_ANDROID)
 663   // The Apps launcher page is not available on android.
 664   if (page_url.host() == chrome::kChromeUIAppLauncherPageHost)
 665     return AppLauncherPageUI::GetFaviconResourceBytes(scale_factor);
 666
 667   // Flash is not available on android.
 668   if (page_url.host() == chrome::kChromeUIFlashHost)
 669     return FlashUI::GetFaviconResourceBytes(scale_factor);
 670
 671   // Android uses the native download manager.
 672   if (page_url.host() == chrome::kChromeUIDownloadsHost)
 673     return DownloadsUI::GetFaviconResourceBytes(scale_factor);
 674
 675   // Android doesn't use the Options pages.
 676   if (page_url.host() == chrome::kChromeUISettingsHost ||
 677       page_url.host() == chrome::kChromeUISettingsFrameHost)
 678     return options::OptionsUI::GetFaviconResourceBytes(scale_factor);
 679
 680 #if defined(ENABLE_EXTENSIONS)
 681   if (page_url.host() == chrome::kChromeUIExtensionsHost ||
 682       page_url.host() == chrome::kChromeUIExtensionsFrameHost)
 683     return extensions::ExtensionsUI::GetFaviconResourceBytes(scale_factor);
 684 #endif
 685
 686   // Android doesn't use the plugins pages.
 687   if (page_url.host() == chrome::kChromeUIPluginsHost)
 688     return PluginsUI::GetFaviconResourceBytes(scale_factor);
 689
 690 #endif
 691
 692   return NULL;
 693 }