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| 1 // Copyright 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/task_manager/task_manager_tab_contents_resource_provide
r.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/i18n/rtl.h" | |
| 10 #include "base/utf_string_conversions.h" | |
| 11 #include "chrome/browser/browser_process.h" | |
| 12 #include "chrome/browser/extensions/extension_service.h" | |
| 13 #include "chrome/browser/favicon/favicon_tab_helper.h" | |
| 14 #include "chrome/browser/prerender/prerender_manager.h" | |
| 15 #include "chrome/browser/prerender/prerender_manager_factory.h" | |
| 16 #include "chrome/browser/printing/background_printing_manager.h" | |
| 17 #include "chrome/browser/profiles/profile.h" | |
| 18 #include "chrome/browser/profiles/profile_info_cache.h" | |
| 19 #include "chrome/browser/profiles/profile_manager.h" | |
| 20 #include "chrome/browser/tab_contents/tab_util.h" | |
| 21 #include "chrome/browser/ui/browser.h" | |
| 22 #include "chrome/browser/ui/browser_finder.h" | |
| 23 #include "chrome/browser/ui/browser_instant_controller.h" | |
| 24 #include "chrome/browser/ui/browser_iterator.h" | |
| 25 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h" | |
| 26 #include "chrome/common/chrome_notification_types.h" | |
| 27 #include "chrome/common/extensions/extension.h" | |
| 28 #include "content/public/browser/notification_service.h" | |
| 29 #include "content/public/browser/render_process_host.h" | |
| 30 #include "content/public/browser/web_contents.h" | |
| 31 #include "extensions/common/constants.h" | |
| 32 #include "grit/generated_resources.h" | |
| 33 #include "grit/theme_resources.h" | |
| 34 #include "ui/base/l10n/l10n_util.h" | |
| 35 #include "ui/base/resource/resource_bundle.h" | |
| 36 #include "ui/gfx/image/image_skia.h" | |
| 37 | |
| 38 using content::WebContents; | |
| 39 using extensions::Extension; | |
| 40 | |
| 41 namespace { | |
| 42 | |
| 43 // Returns the appropriate message prefix ID for tabs and extensions, | |
| 44 // reflecting whether they are apps or in incognito mode. | |
| 45 int GetMessagePrefixID(bool is_app, | |
| 46 bool is_extension, | |
| 47 bool is_incognito, | |
| 48 bool is_prerender, | |
| 49 bool is_instant_overlay, | |
| 50 bool is_background) { | |
| 51 if (is_app) { | |
| 52 if (is_background) { | |
| 53 return IDS_TASK_MANAGER_BACKGROUND_PREFIX; | |
| 54 } else if (is_incognito) { | |
| 55 return IDS_TASK_MANAGER_APP_INCOGNITO_PREFIX; | |
| 56 } else { | |
| 57 return IDS_TASK_MANAGER_APP_PREFIX; | |
| 58 } | |
| 59 } else if (is_extension) { | |
| 60 if (is_incognito) | |
| 61 return IDS_TASK_MANAGER_EXTENSION_INCOGNITO_PREFIX; | |
| 62 else | |
| 63 return IDS_TASK_MANAGER_EXTENSION_PREFIX; | |
| 64 } else if (is_prerender) { | |
| 65 return IDS_TASK_MANAGER_PRERENDER_PREFIX; | |
| 66 } else if (is_instant_overlay) { | |
| 67 return IDS_TASK_MANAGER_INSTANT_OVERLAY_PREFIX; | |
| 68 } else { | |
| 69 return IDS_TASK_MANAGER_TAB_PREFIX; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 string16 GetProfileNameFromInfoCache(Profile* profile) { | |
| 74 ProfileInfoCache& cache = | |
| 75 g_browser_process->profile_manager()->GetProfileInfoCache(); | |
| 76 size_t index = cache.GetIndexOfProfileWithPath( | |
| 77 profile->GetOriginalProfile()->GetPath()); | |
| 78 if (index == std::string::npos) | |
| 79 return string16(); | |
| 80 else | |
| 81 return cache.GetNameOfProfileAtIndex(index); | |
| 82 } | |
| 83 | |
| 84 string16 GetTitleFromWebContents(WebContents* web_contents) { | |
| 85 string16 title = web_contents->GetTitle(); | |
| 86 if (title.empty()) { | |
| 87 GURL url = web_contents->GetURL(); | |
| 88 title = UTF8ToUTF16(url.spec()); | |
| 89 // Force URL to be LTR. | |
| 90 title = base::i18n::GetDisplayStringInLTRDirectionality(title); | |
| 91 } else { | |
| 92 // Since the tab_title will be concatenated with | |
| 93 // IDS_TASK_MANAGER_TAB_PREFIX, we need to explicitly set the tab_title to | |
| 94 // be LTR format if there is no strong RTL charater in it. Otherwise, if | |
| 95 // IDS_TASK_MANAGER_TAB_PREFIX is an RTL word, the concatenated result | |
| 96 // might be wrong. For example, http://mail.yahoo.com, whose title is | |
| 97 // "Yahoo! Mail: The best web-based Email!", without setting it explicitly | |
| 98 // as LTR format, the concatenated result will be "!Yahoo! Mail: The best | |
| 99 // web-based Email :BAT", in which the capital letters "BAT" stands for | |
| 100 // the Hebrew word for "tab". | |
| 101 base::i18n::AdjustStringForLocaleDirection(&title); | |
| 102 } | |
| 103 return title; | |
| 104 } | |
| 105 | |
| 106 bool IsContentsPrerendering(WebContents* web_contents) { | |
| 107 Profile* profile = | |
| 108 Profile::FromBrowserContext(web_contents->GetBrowserContext()); | |
| 109 prerender::PrerenderManager* prerender_manager = | |
| 110 prerender::PrerenderManagerFactory::GetForProfile(profile); | |
| 111 return prerender_manager && | |
| 112 prerender_manager->IsWebContentsPrerendering(web_contents, NULL); | |
| 113 } | |
| 114 | |
| 115 bool IsContentsInstant(WebContents* web_contents) { | |
| 116 for (chrome::BrowserIterator it; !it.done(); it.Next()) { | |
| 117 if (it->instant_controller() && | |
| 118 it->instant_controller()->instant()-> | |
| 119 GetOverlayContents() == web_contents) { | |
| 120 return true; | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 return false; | |
| 125 } | |
| 126 | |
| 127 bool IsContentsBackgroundPrinted(WebContents* web_contents) { | |
| 128 printing::BackgroundPrintingManager* printing_manager = | |
| 129 g_browser_process->background_printing_manager(); | |
| 130 return printing_manager->HasPrintPreviewDialog(web_contents); | |
| 131 } | |
| 132 | |
| 133 } // namespace | |
| 134 | |
| 135 //////////////////////////////////////////////////////////////////////////////// | |
| 136 // TaskManagerTabContentsResource class | |
| 137 //////////////////////////////////////////////////////////////////////////////// | |
| 138 | |
| 139 // static | |
| 140 gfx::ImageSkia* TaskManagerTabContentsResource::prerender_icon_ = NULL; | |
| 141 | |
| 142 TaskManagerTabContentsResource::TaskManagerTabContentsResource( | |
| 143 WebContents* web_contents) | |
| 144 : TaskManagerRendererResource( | |
| 145 web_contents->GetRenderProcessHost()->GetHandle(), | |
| 146 web_contents->GetRenderViewHost()), | |
| 147 web_contents_(web_contents), | |
| 148 profile_(Profile::FromBrowserContext(web_contents->GetBrowserContext())), | |
| 149 is_instant_overlay_(IsContentsInstant(web_contents)) { | |
| 150 if (!prerender_icon_) { | |
| 151 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 152 prerender_icon_ = rb.GetImageSkiaNamed(IDR_PRERENDER); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 TaskManagerTabContentsResource::~TaskManagerTabContentsResource() { | |
| 157 } | |
| 158 | |
| 159 void TaskManagerTabContentsResource::InstantCommitted() { | |
| 160 DCHECK(is_instant_overlay_); | |
| 161 is_instant_overlay_ = false; | |
| 162 } | |
| 163 | |
| 164 bool TaskManagerTabContentsResource::HostsExtension() const { | |
| 165 return web_contents_->GetURL().SchemeIs(extensions::kExtensionScheme); | |
| 166 } | |
| 167 | |
| 168 TaskManager::Resource::Type TaskManagerTabContentsResource::GetType() const { | |
| 169 return HostsExtension() ? EXTENSION : RENDERER; | |
| 170 } | |
| 171 | |
| 172 string16 TaskManagerTabContentsResource::GetTitle() const { | |
| 173 // Fall back on the URL if there's no title. | |
| 174 GURL url = web_contents_->GetURL(); | |
| 175 string16 tab_title = GetTitleFromWebContents(web_contents_); | |
| 176 | |
| 177 // Only classify as an app if the URL is an app and the tab is hosting an | |
| 178 // extension process. (It's possible to be showing the URL from before it | |
| 179 // was installed as an app.) | |
| 180 ExtensionService* extension_service = profile_->GetExtensionService(); | |
| 181 extensions::ProcessMap* process_map = extension_service->process_map(); | |
| 182 bool is_app = extension_service->IsInstalledApp(url) && | |
| 183 process_map->Contains(web_contents_->GetRenderProcessHost()->GetID()); | |
| 184 | |
| 185 int message_id = GetMessagePrefixID( | |
| 186 is_app, | |
| 187 HostsExtension(), | |
| 188 profile_->IsOffTheRecord(), | |
| 189 IsContentsPrerendering(web_contents_), | |
| 190 is_instant_overlay_, | |
| 191 false); | |
| 192 return l10n_util::GetStringFUTF16(message_id, tab_title); | |
| 193 } | |
| 194 | |
| 195 string16 TaskManagerTabContentsResource::GetProfileName() const { | |
| 196 return GetProfileNameFromInfoCache(profile_); | |
| 197 } | |
| 198 | |
| 199 gfx::ImageSkia TaskManagerTabContentsResource::GetIcon() const { | |
| 200 if (IsContentsPrerendering(web_contents_)) | |
| 201 return *prerender_icon_; | |
| 202 return FaviconTabHelper::FromWebContents(web_contents_)-> | |
| 203 GetFavicon().AsImageSkia(); | |
| 204 } | |
| 205 | |
| 206 WebContents* TaskManagerTabContentsResource::GetWebContents() const { | |
| 207 return web_contents_; | |
| 208 } | |
| 209 | |
| 210 const Extension* TaskManagerTabContentsResource::GetExtension() const { | |
| 211 if (HostsExtension()) { | |
| 212 ExtensionService* extension_service = profile_->GetExtensionService(); | |
| 213 return extension_service->extensions()->GetByID( | |
| 214 web_contents_->GetURL().host()); | |
| 215 } | |
| 216 | |
| 217 return NULL; | |
| 218 } | |
| 219 | |
| 220 //////////////////////////////////////////////////////////////////////////////// | |
| 221 // TaskManagerTabContentsResourceProvider class | |
| 222 //////////////////////////////////////////////////////////////////////////////// | |
| 223 | |
| 224 TaskManagerTabContentsResourceProvider:: | |
| 225 TaskManagerTabContentsResourceProvider(TaskManager* task_manager) | |
| 226 : updating_(false), | |
| 227 task_manager_(task_manager) { | |
| 228 } | |
| 229 | |
| 230 TaskManagerTabContentsResourceProvider:: | |
| 231 ~TaskManagerTabContentsResourceProvider() { | |
| 232 } | |
| 233 | |
| 234 TaskManager::Resource* TaskManagerTabContentsResourceProvider::GetResource( | |
| 235 int origin_pid, | |
| 236 int render_process_host_id, | |
| 237 int routing_id) { | |
| 238 WebContents* web_contents = | |
| 239 tab_util::GetWebContentsByID(render_process_host_id, routing_id); | |
| 240 if (!web_contents) // Not one of our resource. | |
| 241 return NULL; | |
| 242 | |
| 243 // If an origin PID was specified then the request originated in a plugin | |
| 244 // working on the WebContents's behalf, so ignore it. | |
| 245 if (origin_pid) | |
| 246 return NULL; | |
| 247 | |
| 248 std::map<WebContents*, TaskManagerTabContentsResource*>::iterator | |
| 249 res_iter = resources_.find(web_contents); | |
| 250 if (res_iter == resources_.end()) { | |
| 251 // Can happen if the tab was closed while a network request was being | |
| 252 // performed. | |
| 253 return NULL; | |
| 254 } | |
| 255 return res_iter->second; | |
| 256 } | |
| 257 | |
| 258 void TaskManagerTabContentsResourceProvider::StartUpdating() { | |
| 259 DCHECK(!updating_); | |
| 260 updating_ = true; | |
| 261 | |
| 262 // The contents that are tracked by this resource provider are those that | |
| 263 // are tab contents (WebContents serving as a tab in a Browser), Instant | |
| 264 // pages, prerender pages, and background printed pages. | |
| 265 | |
| 266 // Add all the existing WebContentses. | |
| 267 for (TabContentsIterator iterator; !iterator.done(); iterator.Next()) | |
| 268 Add(*iterator); | |
| 269 | |
| 270 // Add all the Instant pages. | |
| 271 for (chrome::BrowserIterator it; !it.done(); it.Next()) { | |
| 272 if (it->instant_controller() && | |
| 273 it->instant_controller()->instant()->GetOverlayContents()) { | |
| 274 Add(it->instant_controller()->instant()->GetOverlayContents()); | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 // Add all the prerender pages. | |
| 279 std::vector<Profile*> profiles( | |
| 280 g_browser_process->profile_manager()->GetLoadedProfiles()); | |
| 281 for (size_t i = 0; i < profiles.size(); ++i) { | |
| 282 prerender::PrerenderManager* prerender_manager = | |
| 283 prerender::PrerenderManagerFactory::GetForProfile(profiles[i]); | |
| 284 if (prerender_manager) { | |
| 285 const std::vector<content::WebContents*> contentses = | |
| 286 prerender_manager->GetAllPrerenderingContents(); | |
| 287 for (size_t j = 0; j < contentses.size(); ++j) | |
| 288 Add(contentses[j]); | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 // Add all the pages being background printed. | |
| 293 printing::BackgroundPrintingManager* printing_manager = | |
| 294 g_browser_process->background_printing_manager(); | |
| 295 for (printing::BackgroundPrintingManager::WebContentsSet::iterator i = | |
| 296 printing_manager->begin(); | |
| 297 i != printing_manager->end(); ++i) { | |
| 298 Add(*i); | |
| 299 } | |
| 300 | |
| 301 // Then we register for notifications to get new web contents. | |
| 302 registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED, | |
| 303 content::NotificationService::AllBrowserContextsAndSources()); | |
| 304 registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_SWAPPED, | |
| 305 content::NotificationService::AllBrowserContextsAndSources()); | |
| 306 registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED, | |
| 307 content::NotificationService::AllBrowserContextsAndSources()); | |
| 308 registrar_.Add(this, chrome::NOTIFICATION_INSTANT_COMMITTED, | |
| 309 content::NotificationService::AllBrowserContextsAndSources()); | |
| 310 } | |
| 311 | |
| 312 void TaskManagerTabContentsResourceProvider::StopUpdating() { | |
| 313 DCHECK(updating_); | |
| 314 updating_ = false; | |
| 315 | |
| 316 // Then we unregister for notifications to get new web contents. | |
| 317 registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED, | |
| 318 content::NotificationService::AllBrowserContextsAndSources()); | |
| 319 registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_SWAPPED, | |
| 320 content::NotificationService::AllBrowserContextsAndSources()); | |
| 321 registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED, | |
| 322 content::NotificationService::AllBrowserContextsAndSources()); | |
| 323 registrar_.Remove(this, chrome::NOTIFICATION_INSTANT_COMMITTED, | |
| 324 content::NotificationService::AllBrowserContextsAndSources()); | |
| 325 | |
| 326 // Delete all the resources. | |
| 327 STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end()); | |
| 328 | |
| 329 resources_.clear(); | |
| 330 } | |
| 331 | |
| 332 void TaskManagerTabContentsResourceProvider::AddToTaskManager( | |
| 333 WebContents* web_contents) { | |
| 334 TaskManagerTabContentsResource* resource = | |
| 335 new TaskManagerTabContentsResource(web_contents); | |
| 336 resources_[web_contents] = resource; | |
| 337 task_manager_->AddResource(resource); | |
| 338 } | |
| 339 | |
| 340 void TaskManagerTabContentsResourceProvider::Add(WebContents* web_contents) { | |
| 341 if (!updating_) | |
| 342 return; | |
| 343 | |
| 344 // The contents that are tracked by this resource provider are those that | |
| 345 // are tab contents (WebContents serving as a tab in a Browser), Instant | |
| 346 // pages, prerender pages, and background printed pages. | |
| 347 if (!chrome::FindBrowserWithWebContents(web_contents) && | |
| 348 !IsContentsPrerendering(web_contents) && | |
| 349 !IsContentsInstant(web_contents) && | |
| 350 !IsContentsBackgroundPrinted(web_contents)) { | |
| 351 return; | |
| 352 } | |
| 353 | |
| 354 // Don't add dead tabs or tabs that haven't yet connected. | |
| 355 if (!web_contents->GetRenderProcessHost()->GetHandle() || | |
| 356 !web_contents->WillNotifyDisconnection()) { | |
| 357 return; | |
| 358 } | |
| 359 | |
| 360 if (resources_.count(web_contents)) { | |
| 361 // The case may happen that we have added a WebContents as part of the | |
| 362 // iteration performed during StartUpdating() call but the notification that | |
| 363 // it has connected was not fired yet. So when the notification happens, we | |
| 364 // already know about this tab and just ignore it. | |
| 365 return; | |
| 366 } | |
| 367 AddToTaskManager(web_contents); | |
| 368 } | |
| 369 | |
| 370 void TaskManagerTabContentsResourceProvider::Remove(WebContents* web_contents) { | |
| 371 if (!updating_) | |
| 372 return; | |
| 373 std::map<WebContents*, TaskManagerTabContentsResource*>::iterator | |
| 374 iter = resources_.find(web_contents); | |
| 375 if (iter == resources_.end()) { | |
| 376 // Since WebContents are destroyed asynchronously (see TabContentsCollector | |
| 377 // in navigation_controller.cc), we can be notified of a tab being removed | |
| 378 // that we don't know. This can happen if the user closes a tab and quickly | |
| 379 // opens the task manager, before the tab is actually destroyed. | |
| 380 return; | |
| 381 } | |
| 382 | |
| 383 // Remove the resource from the Task Manager. | |
| 384 TaskManagerTabContentsResource* resource = iter->second; | |
| 385 task_manager_->RemoveResource(resource); | |
| 386 // And from the provider. | |
| 387 resources_.erase(iter); | |
| 388 // Finally, delete the resource. | |
| 389 delete resource; | |
| 390 } | |
| 391 | |
| 392 void TaskManagerTabContentsResourceProvider::InstantCommitted( | |
| 393 WebContents* web_contents) { | |
| 394 if (!updating_) | |
| 395 return; | |
| 396 std::map<WebContents*, TaskManagerTabContentsResource*>::iterator | |
| 397 iter = resources_.find(web_contents); | |
| 398 DCHECK(iter != resources_.end()); | |
| 399 if (iter != resources_.end()) | |
| 400 iter->second->InstantCommitted(); | |
| 401 } | |
| 402 | |
| 403 void TaskManagerTabContentsResourceProvider::Observe( | |
| 404 int type, | |
| 405 const content::NotificationSource& source, | |
| 406 const content::NotificationDetails& details) { | |
| 407 WebContents* web_contents = content::Source<WebContents>(source).ptr(); | |
| 408 | |
| 409 switch (type) { | |
| 410 case content::NOTIFICATION_WEB_CONTENTS_CONNECTED: | |
| 411 Add(web_contents); | |
| 412 break; | |
| 413 case content::NOTIFICATION_WEB_CONTENTS_SWAPPED: | |
| 414 Remove(web_contents); | |
| 415 Add(web_contents); | |
| 416 break; | |
| 417 case content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED: | |
| 418 Remove(web_contents); | |
| 419 break; | |
| 420 case chrome::NOTIFICATION_INSTANT_COMMITTED: | |
| 421 InstantCommitted(web_contents); | |
| 422 break; | |
| 423 default: | |
| 424 NOTREACHED() << "Unexpected notification."; | |
| 425 return; | |
| 426 } | |
| 427 } | |
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Chromium Code Reviews
Issue 15196003:
Create task_manager namespace and wrap classes related to TaskManager with it. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src