15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/lifetime/application_lifetime.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ash/shell.h" 83551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "base/bind.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 1058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/debug/trace_event.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/memory/scoped_ptr.h" 13ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch#include "base/message_loop/message_loop.h" 14116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "base/metrics/field_trial.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 16116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "base/process/kill.h" 17116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "base/process/process.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/browser_process.h" 2090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "chrome/browser/browser_process_platform_part.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/browser_shutdown.h" 227dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "chrome/browser/chrome_notification_types.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/download/download_service.h" 243551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "chrome/browser/lifetime/browser_close_manager.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/metrics/thread_watcher.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile_manager.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/browser.h" 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/ui/browser_finder.h" 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/ui/browser_iterator.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/browser_tabstrip.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/browser_window.h" 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/ui/tabs/tab_strip_model.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_switches.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/pref_names.h" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_shutdown.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_details.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 424e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)#include "base/sys_info.h" 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/chromeos/boot_times_loader.h" 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chromeos/dbus/dbus_thread_manager.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chromeos/dbus/session_manager_client.h" 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chromeos/dbus/update_engine_client.h" 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#if defined(OS_WIN) 503551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "base/win/win_util.h" 513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#endif 523551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace chrome { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 56f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#if !defined(OS_ANDROID) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns true if all browsers can be closed without user interaction. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This currently checks if there is pending download, or if it needs to 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// handle unload handler. 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool AreAllBrowsersCloseable() { 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome::BrowserIterator browser_it; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (browser_it.done()) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there are any downloads active, all browsers are not closeable. 668bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // However, this does not block for malicious downloads. 678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (DownloadService::NonMaliciousDownloadCountAllProfiles() > 0) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check TabsNeedBeforeUnloadFired(). 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (; !browser_it.done(); browser_it.Next()) { 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (browser_it->TabsNeedBeforeUnloadFired()) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 77f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#endif // !defined(OS_ANDROID) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int g_keep_alive_count = 0; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Whether chrome should send stop request to a session manager. 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool g_send_stop_request_to_session_manager = false; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MarkAsCleanShutdown() { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): Can this use ProfileManager::GetLoadedProfiles() instead? 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (chrome::BrowserIterator it; !it.done(); it.Next()) 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->profile()->SetExitType(Profile::EXIT_NORMAL); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 941e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)void AttemptExitInternal(bool try_to_quit_application) { 951e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // On Mac, the platform-specific part handles setting this. 961e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#if !defined(OS_MACOSX) 971e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (try_to_quit_application) 981e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) browser_shutdown::SetTryingToQuit(true); 991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#endif 1001e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::current()->Notify( 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST, 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::AllSources(), 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::NoDetails()); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) g_browser_process->platform_part()->AttemptExit(); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1091e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)void CloseAllBrowsersAndQuit() { 1101e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) browser_shutdown::SetTryingToQuit(true); 1111e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) CloseAllBrowsers(); 1121e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)} 1131e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CloseAllBrowsers() { 1151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // If there are no browsers and closing the last browser would quit the 1161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // application, send the APP_TERMINATING action here. Otherwise, it will be 1171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // sent by RemoveBrowser() when the last browser has closed. 118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (chrome::GetTotalBrowserCount() == 0 && 119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive())) { 1203551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Tell everyone that we are shutting down. 1213551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) browser_shutdown::SetTryingToQuit(true); 1223551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 1233551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#if defined(ENABLE_SESSION_SERVICE) 1243551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // If ShuttingDownWithoutClosingBrowsers() returns true, the session 1253551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // services may not get a chance to shut down normally, so explicitly shut 1263551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // them down here to ensure they have a chance to persist their data. 1273551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) ProfileManager::ShutdownSessionServices(); 1283551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#endif 1293551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome::NotifyAndTerminate(true); 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome::OnAppExiting(); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker( 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "StartedClosingWindows", false); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1393551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) scoped_refptr<BrowserCloseManager> browser_close_manager = 1403551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) new BrowserCloseManager; 1413551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) browser_close_manager->StartClosingBrowsers(); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AttemptUserExit() { 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 14658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) StartShutdownTracing(); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutStarted", false); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefService* state = g_browser_process->local_state(); 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state) { 15146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) chromeos::BootTimesLoader::Get()->OnLogoutStarted(state); 15246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 15346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // Login screen should show up in owner's locale. 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string owner_locale = state->GetString(prefs::kOwnerLocale); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!owner_locale.empty() && 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state->GetString(prefs::kApplicationLocale) != owner_locale && 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !state->IsManagedPreference(prefs::kApplicationLocale)) { 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state->SetString(prefs::kApplicationLocale, owner_locale); 15958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) TRACE_EVENT0("shutdown", "CommitPendingWrite"); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state->CommitPendingWrite(); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) g_send_stop_request_to_session_manager = true; 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On ChromeOS, always terminate the browser, regardless of the result of 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // AreAllBrowsersCloseable(). See crbug.com/123107. 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome::NotifyAndTerminate(true); 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reset the restart bit that might have been set in cancelled restart 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // request. 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefService* pref_service = g_browser_process->local_state(); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_service->SetBoolean(prefs::kRestartLastSessionOnShutdown, false); 1721e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) AttemptExitInternal(false); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void StartShutdownTracing() { 17758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 17858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (command_line.HasSwitch(switches::kTraceShutdown)) { 17958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::debug::CategoryFilter category_filter( 18058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) command_line.GetSwitchValueASCII(switches::kTraceShutdown)); 18158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::debug::TraceLog::GetInstance()->SetEnabled( 18258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) category_filter, 1835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::debug::TraceLog::RECORDING_MODE, 1845f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::debug::TraceOptions()); 18558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 18658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) TRACE_EVENT0("shutdown", "StartShutdownTracing"); 18758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 18858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The Android implementation is in application_lifetime_android.cc 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if !defined(OS_ANDROID) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AttemptRestart() { 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): Can this use ProfileManager::GetLoadedProfiles instead? 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (chrome::BrowserIterator it; !it.done(); it.Next()) 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::BrowserContext::SaveSessionState(it->profile()); 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefService* pref_service = g_browser_process->local_state(); 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_service->SetBoolean(prefs::kWasRestarted, true); 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 200cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) chromeos::BootTimesLoader::Get()->set_restart_requested(); 201cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 2025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(!g_send_stop_request_to_session_manager); 2035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Make sure we don't send stop request to the session manager. 2045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) g_send_stop_request_to_session_manager = false; 2055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Run exit process in clean stack. 2065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE, 2075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&ExitCleanly)); 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set the flag to restore state after the restart. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_service->SetBoolean(prefs::kRestartLastSessionOnShutdown, true); 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AttemptExit(); 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AttemptExit() { 2175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_CHROMEOS) 2185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // On ChromeOS, user exit and system exits are the same. 2195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) AttemptUserExit(); 2205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#else 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we know that all browsers can be closed without blocking, 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't notify users of crashes beyond this point. 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that MarkAsCleanShutdown() does not set UMA's exit cleanly bit 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so crashes during shutdown are still reported in UMA. 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if !defined(OS_ANDROID) 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Android doesn't use Browser. 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (AreAllBrowsersCloseable()) 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MarkAsCleanShutdown(); 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 2301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) AttemptExitInternal(true); 2315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A function called when SIGTERM is received. 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ExitCleanly() { 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We always mark exit cleanly because SessionManager may kill 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // chrome in 3 seconds after SIGTERM. 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_browser_process->EndSession(); 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't block when SIGTERM is received. AreaAllBrowsersCloseable() 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can be false in following cases. a) power-off b) signout from 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // screen locker. 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!AreAllBrowsersCloseable()) 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_shutdown::OnShutdownStarting(browser_shutdown::END_SESSION); 2465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) else 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) browser_shutdown::OnShutdownStarting(browser_shutdown::BROWSER_EXIT); 2481e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) AttemptExitInternal(true); 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 252116680a4aac90f2aa7413d9095a592090648e557Ben Murdochnamespace { 253116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 254116680a4aac90f2aa7413d9095a592090648e557Ben Murdochbool ExperimentUseBrokenSynchronization() { 255116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const std::string group_name = 256116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch base::FieldTrialList::FindFullName("WindowsLogoffRace"); 257116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return group_name == "BrokenSynchronization"; 258116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 259116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 260116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} // namespace 261116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SessionEnding() { 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a time-limited shutdown where we need to write as much to 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // disk as we can as soon as we can, and where we must kill the 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process within a hang timeout to avoid user prompts. 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start watching for hang during shutdown, and crash it if takes too long. 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We disarm when |shutdown_watcher| object is destroyed, which is when we 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // exit this function. 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ShutdownWatcherHelper shutdown_watcher; 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) shutdown_watcher.Arm(base::TimeDelta::FromSeconds(90)); 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // EndSession is invoked once per frame. Only do something the first time. 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static bool already_ended = false; 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We may get called in the middle of shutdown, e.g. http://crbug.com/70852 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In this case, do nothing. 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (already_ended || !content::NotificationService::current()) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) already_ended = true; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_shutdown::OnShutdownStarting(browser_shutdown::END_SESSION); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::current()->Notify( 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST, 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::AllSources(), 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::NoDetails()); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Write important data first. 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_browser_process->EndSession(); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2913551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#if defined(OS_WIN) 2923551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::win::SetShouldCrashOnProcessDetach(false); 2933551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#endif 294116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 295116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (ExperimentUseBrokenSynchronization()) { 296116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch CloseAllBrowsers(); 297116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 298116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Send out notification. This is used during testing so that the test 299116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // harness can properly shutdown before we exit. 300116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch content::NotificationService::current()->Notify( 301116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch chrome::NOTIFICATION_SESSION_END, 302116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch content::NotificationService::AllSources(), 303116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch content::NotificationService::NoDetails()); 304116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 305116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // This will end by terminating the process. 306116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch content::ImmediateShutdownAndExitProcess(); 307116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } else { 308116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // On Windows 7 and later, the system will consider the process ripe for 309116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // termination as soon as it hides or destroys its windows. Since any 310116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // execution past that point will be non-deterministically cut short, we 311116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // might as well put ourselves out of that misery deterministically. 312116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch base::KillProcess(base::Process::Current().handle(), 0, false); 313116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 316a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void IncrementKeepAliveCount() { 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Increment the browser process refcount as long as we're keeping the 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // application alive. 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!WillKeepAlive()) 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_browser_process->AddRefModule(); 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++g_keep_alive_count; 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 324a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void DecrementKeepAliveCount() { 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_GT(g_keep_alive_count, 0); 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) --g_keep_alive_count; 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(g_browser_process); 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Although we should have a browser process, if there is none, 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there is nothing to do. 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_browser_process) return; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Allow the app to shutdown again. 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!WillKeepAlive()) { 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_browser_process->ReleaseModule(); 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there are no browsers open and we aren't already shutting down, 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // initiate a shutdown. Also skips shutdown if this is a unit test 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (MessageLoop::current() == null). 3392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (chrome::GetTotalBrowserCount() == 0 && 3402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !browser_shutdown::IsTryingToQuit() && 34190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::MessageLoop::current()) { 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseAllBrowsers(); 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool WillKeepAlive() { 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_keep_alive_count > 0; 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NotifyAppTerminating() { 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static bool notified = false; 3532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (notified) 3542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 3552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) notified = true; 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::NotificationService::current()->Notify( 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome::NOTIFICATION_APP_TERMINATING, 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::NotificationService::AllSources(), 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::NotificationService::NoDetails()); 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NotifyAndTerminate(bool fast_path) { 3632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(OS_CHROMEOS) 3642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static bool notified = false; 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Return if a shutdown request has already been sent. 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (notified) 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) notified = true; 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (fast_path) 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NotifyAppTerminating(); 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(OS_CHROMEOS) 3754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (base::SysInfo::IsRunningOnChromeOS()) { 3762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If we're on a ChromeOS device, reboot if an update has been applied, 3772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // or else signal the session manager to log out. 3782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chromeos::UpdateEngineClient* update_engine_client 3792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) = chromeos::DBusThreadManager::Get()->GetUpdateEngineClient(); 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (update_engine_client->GetLastStatus().status == 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT) { 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) update_engine_client->RebootAfterUpdate(); 3835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (g_send_stop_request_to_session_manager) { 3842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Don't ask SessionManager to stop session if the shutdown request comes 3852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // from session manager. 3862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chromeos::DBusThreadManager::Get()->GetSessionManagerClient() 3872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ->StopSession(); 3882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 3905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (g_send_stop_request_to_session_manager) { 3915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If running the Chrome OS build, but we're not on the device, act 3925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // as if we received signal from SessionManager. 3935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE, 3945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&ExitCleanly)); 3955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 3982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void OnAppExiting() { 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static bool notified = false; 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (notified) 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) notified = true; 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HandleAppExitingForPlatform(); 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 408c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)bool ShouldStartShutdown(Browser* browser) { 409c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (BrowserList::GetInstance(browser->host_desktop_type())->size() > 1) 410c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 4115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_WIN) 412c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // On Windows 8 the desktop and ASH environments could be active 413c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // at the same time. 414c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // We should not start the shutdown process in the following cases:- 415c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // 1. If the desktop type of the browser going away is ASH and there 416c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // are browser windows open in the desktop. 417c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // 2. If the desktop type of the browser going away is desktop and the ASH 418c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // environment is still active. 419c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_NATIVE) 420c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return !ash::Shell::HasInstance(); 421c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) else if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) 422c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE)->empty(); 423c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#endif 424c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return true; 425c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 426c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 4272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace chrome 428