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| 1 // Copyright (c) 2011 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 "content/browser/plugin_service.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/command_line.h" | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/file_path.h" | |
| 11 #include "base/message_loop.h" | |
| 12 #include "base/message_loop_proxy.h" | |
| 13 #include "base/path_service.h" | |
| 14 #include "base/string_util.h" | |
| 15 #include "base/synchronization/waitable_event.h" | |
| 16 #include "base/threading/thread.h" | |
| 17 #include "base/utf_string_conversions.h" | |
| 18 #include "base/values.h" | |
| 19 #include "content/browser/plugin_loader_posix.h" | |
| 20 #include "content/browser/plugin_service_filter.h" | |
| 21 #include "content/browser/ppapi_plugin_process_host.h" | |
| 22 #include "content/browser/renderer_host/render_process_host_impl.h" | |
| 23 #include "content/browser/renderer_host/render_view_host.h" | |
| 24 #include "content/browser/resource_context.h" | |
| 25 #include "content/browser/utility_process_host.h" | |
| 26 #include "content/common/pepper_plugin_registry.h" | |
| 27 #include "content/common/plugin_messages.h" | |
| 28 #include "content/common/utility_messages.h" | |
| 29 #include "content/common/view_messages.h" | |
| 30 #include "content/public/browser/browser_thread.h" | |
| 31 #include "content/public/browser/content_browser_client.h" | |
| 32 #include "content/public/browser/notification_service.h" | |
| 33 #include "content/public/browser/notification_types.h" | |
| 34 #include "content/public/common/content_switches.h" | |
| 35 #include "content/public/common/process_type.h" | |
| 36 #include "webkit/plugins/npapi/plugin_constants_win.h" | |
| 37 #include "webkit/plugins/npapi/plugin_group.h" | |
| 38 #include "webkit/plugins/npapi/plugin_list.h" | |
| 39 #include "webkit/plugins/webplugininfo.h" | |
| 40 | |
| 41 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) | |
| 42 using ::base::files::FilePathWatcher; | |
| 43 #endif | |
| 44 | |
| 45 using content::BrowserThread; | |
| 46 using content::PluginServiceFilter; | |
| 47 | |
| 48 namespace { | |
| 49 | |
| 50 // Helper function that merely runs the callback with the result. Called on the | |
| 51 // thread on which the original GetPlugins() call was made. | |
| 52 static void RunGetPluginsCallback( | |
| 53 const PluginService::GetPluginsCallback& callback, | |
| 54 const std::vector<webkit::WebPluginInfo>& result) { | |
| 55 callback.Run(result); | |
| 56 } | |
| 57 | |
| 58 // A callback for GetPlugins() that then gets the freshly loaded plugin groups | |
| 59 // and runs the callback for GetPluginGroups(). | |
| 60 static void GetPluginsForGroupsCallback( | |
| 61 const PluginService::GetPluginGroupsCallback& callback, | |
| 62 const std::vector<webkit::WebPluginInfo>& plugins) { | |
| 63 std::vector<webkit::npapi::PluginGroup> groups; | |
| 64 webkit::npapi::PluginList::Singleton()->GetPluginGroups(false, &groups); | |
| 65 callback.Run(groups); | |
| 66 } | |
| 67 | |
| 68 // Callback set on the PluginList to assert that plugin loading happens on the | |
| 69 // correct thread. | |
| 70 void WillLoadPluginsCallback() { | |
| 71 #if defined(OS_WIN) | |
| 72 CHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | |
| 73 #else | |
| 74 CHECK(false) << "Plugin loading should happen out-of-process."; | |
| 75 #endif | |
| 76 } | |
| 77 | |
| 78 } // namespace | |
| 79 | |
| 80 #if defined(OS_MACOSX) | |
| 81 static void NotifyPluginsOfActivation() { | |
| 82 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 83 | |
| 84 for (BrowserChildProcessHost::Iterator iter( | |
| 85 content::PROCESS_TYPE_PLUGIN); | |
| 86 !iter.Done(); ++iter) { | |
| 87 PluginProcessHost* plugin = static_cast<PluginProcessHost*>(*iter); | |
| 88 plugin->OnAppActivation(); | |
| 89 } | |
| 90 } | |
| 91 #elif defined(OS_POSIX) && !defined(OS_OPENBSD) | |
| 92 // Delegate class for monitoring directories. | |
| 93 class PluginDirWatcherDelegate : public FilePathWatcher::Delegate { | |
| 94 virtual void OnFilePathChanged(const FilePath& path) OVERRIDE { | |
| 95 VLOG(1) << "Watched path changed: " << path.value(); | |
| 96 // Make the plugin list update itself | |
| 97 webkit::npapi::PluginList::Singleton()->RefreshPlugins(); | |
| 98 BrowserThread::PostTask( | |
| 99 BrowserThread::UI, FROM_HERE, | |
| 100 base::Bind(&content::PluginService::PurgePluginListCache, | |
| 101 static_cast<content::BrowserContext*>(NULL), false)); | |
| 102 } | |
| 103 | |
| 104 virtual void OnFilePathError(const FilePath& path) OVERRIDE { | |
| 105 // TODO(pastarmovj): Add some sensible error handling. Maybe silently | |
| 106 // stopping the watcher would be enough. Or possibly restart it. | |
| 107 NOTREACHED(); | |
| 108 } | |
| 109 }; | |
| 110 #endif | |
| 111 | |
| 112 namespace content { | |
| 113 // static | |
| 114 PluginService* PluginService::GetInstance() { | |
| 115 return ::PluginService::GetInstance(); | |
| 116 } | |
| 117 | |
| 118 void PluginService::PurgePluginListCache(BrowserContext* browser_context, | |
| 119 bool reload_pages) { | |
| 120 for (RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator(); | |
| 121 !it.IsAtEnd(); it.Advance()) { | |
| 122 RenderProcessHost* host = it.GetCurrentValue(); | |
| 123 if (!browser_context || host->GetBrowserContext() == browser_context) | |
| 124 host->Send(new ViewMsg_PurgePluginListCache(reload_pages)); | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 } // namespace content | |
| 129 | |
| 130 // static | |
| 131 PluginService* PluginService::GetInstance() { | |
| 132 return Singleton<PluginService>::get(); | |
| 133 } | |
| 134 | |
| 135 PluginService::PluginService() | |
| 136 : plugin_list_(NULL), | |
| 137 ui_locale_( | |
| 138 content::GetContentClient()->browser()->GetApplicationLocale()), | |
| 139 filter_(NULL) { | |
| 140 } | |
| 141 | |
| 142 PluginService::~PluginService() { | |
| 143 #if defined(OS_WIN) | |
| 144 // Release the events since they're owned by RegKey, not WaitableEvent. | |
| 145 hkcu_watcher_.StopWatching(); | |
| 146 hklm_watcher_.StopWatching(); | |
| 147 if (hkcu_event_.get()) | |
| 148 hkcu_event_->Release(); | |
| 149 if (hklm_event_.get()) | |
| 150 hklm_event_->Release(); | |
| 151 #endif | |
| 152 // Make sure no plugin channel requests have been leaked. | |
| 153 DCHECK(pending_plugin_clients_.empty()); | |
| 154 } | |
| 155 | |
| 156 void PluginService::Init() { | |
| 157 if (!plugin_list_) | |
| 158 plugin_list_ = webkit::npapi::PluginList::Singleton(); | |
| 159 | |
| 160 plugin_list_->set_will_load_plugins_callback( | |
| 161 base::Bind(&WillLoadPluginsCallback)); | |
| 162 | |
| 163 RegisterPepperPlugins(); | |
| 164 | |
| 165 content::GetContentClient()->AddNPAPIPlugins(plugin_list_); | |
| 166 | |
| 167 // Load any specified on the command line as well. | |
| 168 const CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
| 169 FilePath path = command_line->GetSwitchValuePath(switches::kLoadPlugin); | |
| 170 if (!path.empty()) | |
| 171 AddExtraPluginPath(path); | |
| 172 path = command_line->GetSwitchValuePath(switches::kExtraPluginDir); | |
| 173 if (!path.empty()) | |
| 174 plugin_list_->AddExtraPluginDir(path); | |
| 175 | |
| 176 #if defined(OS_MACOSX) | |
| 177 // We need to know when the browser comes forward so we can bring modal plugin | |
| 178 // windows forward too. | |
| 179 registrar_.Add(this, content::NOTIFICATION_APP_ACTIVATED, | |
| 180 content::NotificationService::AllSources()); | |
| 181 #endif | |
| 182 } | |
| 183 | |
| 184 void PluginService::StartWatchingPlugins() { | |
| 185 // Start watching for changes in the plugin list. This means watching | |
| 186 // for changes in the Windows registry keys and on both Windows and POSIX | |
| 187 // watch for changes in the paths that are expected to contain plugins. | |
| 188 #if defined(OS_WIN) | |
| 189 if (hkcu_key_.Create(HKEY_CURRENT_USER, | |
| 190 webkit::npapi::kRegistryMozillaPlugins, | |
| 191 KEY_NOTIFY) == ERROR_SUCCESS) { | |
| 192 if (hkcu_key_.StartWatching() == ERROR_SUCCESS) { | |
| 193 hkcu_event_.reset(new base::WaitableEvent(hkcu_key_.watch_event())); | |
| 194 hkcu_watcher_.StartWatching(hkcu_event_.get(), this); | |
| 195 } | |
| 196 } | |
| 197 if (hklm_key_.Create(HKEY_LOCAL_MACHINE, | |
| 198 webkit::npapi::kRegistryMozillaPlugins, | |
| 199 KEY_NOTIFY) == ERROR_SUCCESS) { | |
| 200 if (hklm_key_.StartWatching() == ERROR_SUCCESS) { | |
| 201 hklm_event_.reset(new base::WaitableEvent(hklm_key_.watch_event())); | |
| 202 hklm_watcher_.StartWatching(hklm_event_.get(), this); | |
| 203 } | |
| 204 } | |
| 205 #elif defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) | |
| 206 // The FilePathWatcher produces too many false positives on MacOS (access time | |
| 207 // updates?) which will lead to enforcing updates of the plugins way too often. | |
| 208 // On ChromeOS the user can't install plugins anyway and on Windows all | |
| 209 // important plugins register themselves in the registry so no need to do that. | |
| 210 file_watcher_delegate_ = new PluginDirWatcherDelegate(); | |
| 211 // Get the list of all paths for registering the FilePathWatchers | |
| 212 // that will track and if needed reload the list of plugins on runtime. | |
| 213 std::vector<FilePath> plugin_dirs; | |
| 214 plugin_list_->GetPluginDirectories(&plugin_dirs); | |
| 215 | |
| 216 for (size_t i = 0; i < plugin_dirs.size(); ++i) { | |
| 217 // FilePathWatcher can not handle non-absolute paths under windows. | |
| 218 // We don't watch for file changes in windows now but if this should ever | |
| 219 // be extended to Windows these lines might save some time of debugging. | |
| 220 #if defined(OS_WIN) | |
| 221 if (!plugin_dirs[i].IsAbsolute()) | |
| 222 continue; | |
| 223 #endif | |
| 224 FilePathWatcher* watcher = new FilePathWatcher(); | |
| 225 VLOG(1) << "Watching for changes in: " << plugin_dirs[i].value(); | |
| 226 BrowserThread::PostTask( | |
| 227 BrowserThread::FILE, FROM_HERE, | |
| 228 base::Bind(&PluginService::RegisterFilePathWatcher, watcher, | |
| 229 plugin_dirs[i], file_watcher_delegate_)); | |
| 230 file_watchers_.push_back(watcher); | |
| 231 } | |
| 232 #endif | |
| 233 } | |
| 234 | |
| 235 const std::string& PluginService::GetUILocale() { | |
| 236 return ui_locale_; | |
| 237 } | |
| 238 | |
| 239 PluginProcessHost* PluginService::FindNpapiPluginProcess( | |
| 240 const FilePath& plugin_path) { | |
| 241 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 242 | |
| 243 for (BrowserChildProcessHost::Iterator iter(content::PROCESS_TYPE_PLUGIN); | |
| 244 !iter.Done(); ++iter) { | |
| 245 PluginProcessHost* plugin = static_cast<PluginProcessHost*>(*iter); | |
| 246 if (plugin->info().path == plugin_path) | |
| 247 return plugin; | |
| 248 } | |
| 249 | |
| 250 return NULL; | |
| 251 } | |
| 252 | |
| 253 PpapiPluginProcessHost* PluginService::FindPpapiPluginProcess( | |
| 254 const FilePath& plugin_path) { | |
| 255 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 256 | |
| 257 for (BrowserChildProcessHost::Iterator iter( | |
| 258 content::PROCESS_TYPE_PPAPI_PLUGIN); | |
| 259 !iter.Done(); ++iter) { | |
| 260 PpapiPluginProcessHost* plugin = | |
| 261 static_cast<PpapiPluginProcessHost*>(*iter); | |
| 262 if (plugin->plugin_path() == plugin_path) | |
| 263 return plugin; | |
| 264 } | |
| 265 | |
| 266 return NULL; | |
| 267 } | |
| 268 | |
| 269 PpapiPluginProcessHost* PluginService::FindPpapiBrokerProcess( | |
| 270 const FilePath& broker_path) { | |
| 271 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 272 | |
| 273 for (BrowserChildProcessHost::Iterator iter( | |
| 274 content::PROCESS_TYPE_PPAPI_BROKER); | |
| 275 !iter.Done(); ++iter) { | |
| 276 PpapiPluginProcessHost* broker = | |
| 277 static_cast<PpapiPluginProcessHost*>(*iter); | |
| 278 if (broker->plugin_path() == broker_path) | |
| 279 return broker; | |
| 280 } | |
| 281 | |
| 282 return NULL; | |
| 283 } | |
| 284 | |
| 285 PluginProcessHost* PluginService::FindOrStartNpapiPluginProcess( | |
| 286 const FilePath& plugin_path) { | |
| 287 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 288 | |
| 289 PluginProcessHost* plugin_host = FindNpapiPluginProcess(plugin_path); | |
| 290 if (plugin_host) | |
| 291 return plugin_host; | |
| 292 | |
| 293 webkit::WebPluginInfo info; | |
| 294 if (!GetPluginInfoByPath(plugin_path, &info)) { | |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 298 // This plugin isn't loaded by any plugin process, so create a new process. | |
| 299 scoped_ptr<PluginProcessHost> new_host(new PluginProcessHost()); | |
| 300 if (!new_host->Init(info, ui_locale_)) { | |
| 301 NOTREACHED(); // Init is not expected to fail. | |
| 302 return NULL; | |
| 303 } | |
| 304 return new_host.release(); | |
| 305 } | |
| 306 | |
| 307 PpapiPluginProcessHost* PluginService::FindOrStartPpapiPluginProcess( | |
| 308 const FilePath& plugin_path, | |
| 309 PpapiPluginProcessHost::PluginClient* client) { | |
| 310 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 311 | |
| 312 PpapiPluginProcessHost* plugin_host = FindPpapiPluginProcess(plugin_path); | |
| 313 if (plugin_host) | |
| 314 return plugin_host; | |
| 315 | |
| 316 // Validate that the plugin is actually registered. | |
| 317 content::PepperPluginInfo* info = GetRegisteredPpapiPluginInfo(plugin_path); | |
| 318 if (!info) | |
| 319 return NULL; | |
| 320 | |
| 321 // This plugin isn't loaded by any plugin process, so create a new process. | |
| 322 return PpapiPluginProcessHost::CreatePluginHost( | |
| 323 *info, | |
| 324 client->GetResourceContext()->host_resolver()); | |
| 325 } | |
| 326 | |
| 327 PpapiPluginProcessHost* PluginService::FindOrStartPpapiBrokerProcess( | |
| 328 const FilePath& plugin_path) { | |
| 329 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 330 | |
| 331 PpapiPluginProcessHost* plugin_host = FindPpapiBrokerProcess(plugin_path); | |
| 332 if (plugin_host) | |
| 333 return plugin_host; | |
| 334 | |
| 335 // Validate that the plugin is actually registered. | |
| 336 content::PepperPluginInfo* info = GetRegisteredPpapiPluginInfo(plugin_path); | |
| 337 if (!info) | |
| 338 return NULL; | |
| 339 | |
| 340 // TODO(ddorwin): Uncomment once out of process is supported. | |
| 341 // DCHECK(info->is_out_of_process); | |
| 342 | |
| 343 // This broker isn't loaded by any broker process, so create a new process. | |
| 344 return PpapiPluginProcessHost::CreateBrokerHost(*info); | |
| 345 } | |
| 346 | |
| 347 void PluginService::OpenChannelToNpapiPlugin( | |
| 348 int render_process_id, | |
| 349 int render_view_id, | |
| 350 const GURL& url, | |
| 351 const GURL& page_url, | |
| 352 const std::string& mime_type, | |
| 353 PluginProcessHost::Client* client) { | |
| 354 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 355 DCHECK(!ContainsKey(pending_plugin_clients_, client)); | |
| 356 pending_plugin_clients_.insert(client); | |
| 357 | |
| 358 // Make sure plugins are loaded if necessary. | |
| 359 content::PluginServiceFilterParams params = { | |
| 360 render_process_id, | |
| 361 render_view_id, | |
| 362 page_url, | |
| 363 &client->GetResourceContext() | |
| 364 }; | |
| 365 GetPlugins( | |
| 366 base::Bind(&PluginService::ForwardGetAllowedPluginForOpenChannelToPlugin, | |
| 367 base::Unretained(this), params, url, mime_type, client)); | |
| 368 } | |
| 369 | |
| 370 void PluginService::OpenChannelToPpapiPlugin( | |
| 371 const FilePath& path, | |
| 372 PpapiPluginProcessHost::PluginClient* client) { | |
| 373 PpapiPluginProcessHost* plugin_host = FindOrStartPpapiPluginProcess( | |
| 374 path, client); | |
| 375 if (plugin_host) | |
| 376 plugin_host->OpenChannelToPlugin(client); | |
| 377 else // Send error. | |
| 378 client->OnChannelOpened(base::kNullProcessHandle, IPC::ChannelHandle()); | |
| 379 } | |
| 380 | |
| 381 void PluginService::OpenChannelToPpapiBroker( | |
| 382 const FilePath& path, | |
| 383 PpapiPluginProcessHost::BrokerClient* client) { | |
| 384 PpapiPluginProcessHost* plugin_host = FindOrStartPpapiBrokerProcess(path); | |
| 385 if (plugin_host) | |
| 386 plugin_host->OpenChannelToPlugin(client); | |
| 387 else // Send error. | |
| 388 client->OnChannelOpened(base::kNullProcessHandle, IPC::ChannelHandle()); | |
| 389 } | |
| 390 | |
| 391 void PluginService::CancelOpenChannelToNpapiPlugin( | |
| 392 PluginProcessHost::Client* client) { | |
| 393 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 394 DCHECK(ContainsKey(pending_plugin_clients_, client)); | |
| 395 pending_plugin_clients_.erase(client); | |
| 396 } | |
| 397 | |
| 398 void PluginService::ForwardGetAllowedPluginForOpenChannelToPlugin( | |
| 399 const content::PluginServiceFilterParams& params, | |
| 400 const GURL& url, | |
| 401 const std::string& mime_type, | |
| 402 PluginProcessHost::Client* client, | |
| 403 const std::vector<webkit::WebPluginInfo>&) { | |
| 404 GetAllowedPluginForOpenChannelToPlugin(params.render_process_id, | |
| 405 params.render_view_id, url, params.page_url, mime_type, client, | |
| 406 params.resource_context); | |
| 407 } | |
| 408 | |
| 409 void PluginService::GetAllowedPluginForOpenChannelToPlugin( | |
| 410 int render_process_id, | |
| 411 int render_view_id, | |
| 412 const GURL& url, | |
| 413 const GURL& page_url, | |
| 414 const std::string& mime_type, | |
| 415 PluginProcessHost::Client* client, | |
| 416 const content::ResourceContext* resource_context) { | |
| 417 webkit::WebPluginInfo info; | |
| 418 bool allow_wildcard = true; | |
| 419 bool found = GetPluginInfo( | |
| 420 render_process_id, render_view_id, *resource_context, | |
| 421 url, page_url, mime_type, allow_wildcard, | |
| 422 NULL, &info, NULL); | |
| 423 FilePath plugin_path; | |
| 424 if (found) | |
| 425 plugin_path = info.path; | |
| 426 | |
| 427 // Now we jump back to the IO thread to finish opening the channel. | |
| 428 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 429 base::Bind(&PluginService::FinishOpenChannelToPlugin, | |
| 430 base::Unretained(this), plugin_path, client)); | |
| 431 } | |
| 432 | |
| 433 void PluginService::FinishOpenChannelToPlugin( | |
| 434 const FilePath& plugin_path, | |
| 435 PluginProcessHost::Client* client) { | |
| 436 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 437 | |
| 438 // Make sure it hasn't been canceled yet. | |
| 439 if (!ContainsKey(pending_plugin_clients_, client)) | |
| 440 return; | |
| 441 pending_plugin_clients_.erase(client); | |
| 442 | |
| 443 PluginProcessHost* plugin_host = FindOrStartNpapiPluginProcess(plugin_path); | |
| 444 if (plugin_host) { | |
| 445 client->OnFoundPluginProcessHost(plugin_host); | |
| 446 plugin_host->OpenChannelToPlugin(client); | |
| 447 } else { | |
| 448 client->OnError(); | |
| 449 } | |
| 450 } | |
| 451 | |
| 452 bool PluginService::GetPluginInfoArray( | |
| 453 const GURL& url, | |
| 454 const std::string& mime_type, | |
| 455 bool allow_wildcard, | |
| 456 std::vector<webkit::WebPluginInfo>* plugins, | |
| 457 std::vector<std::string>* actual_mime_types) { | |
| 458 bool use_stale = false; | |
| 459 plugin_list_->GetPluginInfoArray(url, mime_type, allow_wildcard, | |
| 460 &use_stale, plugins, actual_mime_types); | |
| 461 return use_stale; | |
| 462 } | |
| 463 | |
| 464 bool PluginService::GetPluginInfo(int render_process_id, | |
| 465 int render_view_id, | |
| 466 const content::ResourceContext& context, | |
| 467 const GURL& url, | |
| 468 const GURL& page_url, | |
| 469 const std::string& mime_type, | |
| 470 bool allow_wildcard, | |
| 471 bool* is_stale, | |
| 472 webkit::WebPluginInfo* info, | |
| 473 std::string* actual_mime_type) { | |
| 474 std::vector<webkit::WebPluginInfo> plugins; | |
| 475 std::vector<std::string> mime_types; | |
| 476 bool stale = GetPluginInfoArray( | |
| 477 url, mime_type, allow_wildcard, &plugins, &mime_types); | |
| 478 if (is_stale) | |
| 479 *is_stale = stale; | |
| 480 if (plugins.size() > 1 && | |
| 481 plugins.back().path == | |
| 482 FilePath(webkit::npapi::kDefaultPluginLibraryName)) { | |
| 483 // If there is at least one plug-in handling the required MIME type (apart | |
| 484 // from the default plug-in), we don't need the default plug-in. | |
| 485 plugins.pop_back(); | |
| 486 } | |
| 487 | |
| 488 for (size_t i = 0; i < plugins.size(); ++i) { | |
| 489 if (!filter_ || filter_->ShouldUsePlugin(render_process_id, | |
| 490 render_view_id, | |
| 491 &context, | |
| 492 url, | |
| 493 page_url, | |
| 494 &plugins[i])) { | |
| 495 *info = plugins[i]; | |
| 496 if (actual_mime_type) | |
| 497 *actual_mime_type = mime_types[i]; | |
| 498 return true; | |
| 499 } | |
| 500 } | |
| 501 return false; | |
| 502 } | |
| 503 | |
| 504 bool PluginService::GetPluginInfoByPath(const FilePath& plugin_path, | |
| 505 webkit::WebPluginInfo* info) { | |
| 506 std::vector<webkit::WebPluginInfo> plugins; | |
| 507 plugin_list_->GetPluginsIfNoRefreshNeeded(&plugins); | |
| 508 | |
| 509 for (std::vector<webkit::WebPluginInfo>::iterator it = plugins.begin(); | |
| 510 it != plugins.end(); | |
| 511 ++it) { | |
| 512 if (it->path == plugin_path) { | |
| 513 *info = *it; | |
| 514 return true; | |
| 515 } | |
| 516 } | |
| 517 | |
| 518 return false; | |
| 519 } | |
| 520 | |
| 521 void PluginService::GetPlugins(const GetPluginsCallback& callback) { | |
| 522 scoped_refptr<base::MessageLoopProxy> target_loop( | |
| 523 MessageLoop::current()->message_loop_proxy()); | |
| 524 | |
| 525 #if defined(OS_WIN) | |
| 526 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, | |
| 527 base::Bind(&PluginService::GetPluginsInternal, base::Unretained(this), | |
| 528 target_loop, callback)); | |
| 529 #else | |
| 530 std::vector<webkit::WebPluginInfo> cached_plugins; | |
| 531 if (plugin_list_->GetPluginsIfNoRefreshNeeded(&cached_plugins)) { | |
| 532 // Can't assume the caller is reentrant. | |
| 533 target_loop->PostTask(FROM_HERE, | |
| 534 base::Bind(&RunGetPluginsCallback, callback, cached_plugins)); | |
| 535 } else { | |
| 536 // If we switch back to loading plugins in process, then we need to make | |
| 537 // sure g_thread_init() gets called since plugins may call glib at load. | |
| 538 if (!plugin_loader_.get()) | |
| 539 plugin_loader_ = new PluginLoaderPosix; | |
| 540 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 541 base::Bind(&PluginLoaderPosix::LoadPlugins, plugin_loader_, | |
| 542 target_loop, callback)); | |
| 543 } | |
| 544 #endif | |
| 545 } | |
| 546 | |
| 547 void PluginService::GetPluginGroups(const GetPluginGroupsCallback& callback) { | |
| 548 GetPlugins(base::Bind(&GetPluginsForGroupsCallback, callback)); | |
| 549 } | |
| 550 | |
| 551 void PluginService::GetPluginsInternal( | |
| 552 base::MessageLoopProxy* target_loop, | |
| 553 const PluginService::GetPluginsCallback& callback) { | |
| 554 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | |
| 555 | |
| 556 std::vector<webkit::WebPluginInfo> plugins; | |
| 557 plugin_list_->GetPlugins(&plugins); | |
| 558 | |
| 559 target_loop->PostTask(FROM_HERE, | |
| 560 base::Bind(&RunGetPluginsCallback, callback, plugins)); | |
| 561 } | |
| 562 | |
| 563 void PluginService::OnWaitableEventSignaled( | |
| 564 base::WaitableEvent* waitable_event) { | |
| 565 #if defined(OS_WIN) | |
| 566 if (waitable_event == hkcu_event_.get()) { | |
| 567 hkcu_key_.StartWatching(); | |
| 568 } else { | |
| 569 hklm_key_.StartWatching(); | |
| 570 } | |
| 571 | |
| 572 plugin_list_->RefreshPlugins(); | |
| 573 PurgePluginListCache(NULL, false); | |
| 574 #else | |
| 575 // This event should only get signaled on a Windows machine. | |
| 576 NOTREACHED(); | |
| 577 #endif // defined(OS_WIN) | |
| 578 } | |
| 579 | |
| 580 void PluginService::Observe(int type, | |
| 581 const content::NotificationSource& source, | |
| 582 const content::NotificationDetails& details) { | |
| 583 #if defined(OS_MACOSX) | |
| 584 if (type == content::NOTIFICATION_APP_ACTIVATED) { | |
| 585 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 586 base::Bind(&NotifyPluginsOfActivation)); | |
| 587 return; | |
| 588 } | |
| 589 #endif | |
| 590 NOTREACHED(); | |
| 591 } | |
| 592 | |
| 593 void PluginService::RegisterPepperPlugins() { | |
| 594 // TODO(abarth): It seems like the PepperPluginRegistry should do this work. | |
| 595 PepperPluginRegistry::ComputeList(&ppapi_plugins_); | |
| 596 for (size_t i = 0; i < ppapi_plugins_.size(); ++i) { | |
| 597 RegisterInternalPlugin(ppapi_plugins_[i].ToWebPluginInfo()); | |
| 598 } | |
| 599 } | |
| 600 | |
| 601 // There should generally be very few plugins so a brute-force search is fine. | |
| 602 content::PepperPluginInfo* PluginService::GetRegisteredPpapiPluginInfo( | |
| 603 const FilePath& plugin_path) { | |
| 604 content::PepperPluginInfo* info = NULL; | |
| 605 for (size_t i = 0; i < ppapi_plugins_.size(); i++) { | |
| 606 if (ppapi_plugins_[i].path == plugin_path) { | |
| 607 info = &ppapi_plugins_[i]; | |
| 608 break; | |
| 609 } | |
| 610 } | |
| 611 if (info) | |
| 612 return info; | |
| 613 // We did not find the plugin in our list. But wait! the plugin can also | |
| 614 // be a latecomer, as it happens with pepper flash. This information | |
| 615 // can be obtained from the PluginList singleton and we can use it to | |
| 616 // construct it and add it to the list. This same deal needs to be done | |
| 617 // in the renderer side in PepperPluginRegistry. | |
| 618 webkit::WebPluginInfo webplugin_info; | |
| 619 if (!GetPluginInfoByPath(plugin_path, &webplugin_info)) | |
| 620 return NULL; | |
| 621 content::PepperPluginInfo new_pepper_info; | |
| 622 if (!MakePepperPluginInfo(webplugin_info, &new_pepper_info)) | |
| 623 return NULL; | |
| 624 ppapi_plugins_.push_back(new_pepper_info); | |
| 625 return &ppapi_plugins_[ppapi_plugins_.size() - 1]; | |
| 626 } | |
| 627 | |
| 628 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) | |
| 629 // static | |
| 630 void PluginService::RegisterFilePathWatcher( | |
| 631 FilePathWatcher *watcher, | |
| 632 const FilePath& path, | |
| 633 FilePathWatcher::Delegate* delegate) { | |
| 634 bool result = watcher->Watch(path, delegate); | |
| 635 DCHECK(result); | |
| 636 } | |
| 637 #endif | |
| 638 | |
| 639 void PluginService::SetFilter(content::PluginServiceFilter* filter) { | |
| 640 filter_ = filter; | |
| 641 } | |
| 642 | |
| 643 content::PluginServiceFilter* PluginService::GetFilter() { | |
| 644 return filter_; | |
| 645 } | |
| 646 | |
| 647 void PluginService::RefreshPlugins() { | |
| 648 plugin_list_->RefreshPlugins(); | |
| 649 } | |
| 650 | |
| 651 void PluginService::AddExtraPluginPath(const FilePath& path) { | |
| 652 plugin_list_->AddExtraPluginPath(path); | |
| 653 } | |
| 654 | |
| 655 void PluginService::RemoveExtraPluginPath(const FilePath& path) { | |
| 656 plugin_list_->RemoveExtraPluginPath(path); | |
| 657 } | |
| 658 | |
| 659 void PluginService::UnregisterInternalPlugin(const FilePath& path) { | |
| 660 plugin_list_->UnregisterInternalPlugin(path); | |
| 661 } | |
| 662 | |
| 663 void PluginService::SetPluginListForTesting( | |
| 664 webkit::npapi::PluginList* plugin_list) { | |
| 665 plugin_list_ = plugin_list; | |
| 666 } | |
| 667 | |
| 668 void PluginService::RegisterInternalPlugin(const webkit::WebPluginInfo& info) { | |
| 669 plugin_list_->RegisterInternalPlugin(info); | |
| 670 } | |
| 671 | |
| 672 string16 PluginService::GetPluginGroupName(const std::string& plugin_name) { | |
| 673 return plugin_list_->GetPluginGroupName(plugin_name); | |
| 674 } | |
| 675 | |
| 676 webkit::npapi::PluginList* PluginService::GetPluginList() { | |
| 677 return plugin_list_; | |
| 678 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 9019004:
Rename PluginService to PluginServiceImpl. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/