| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "apps/app_restore_service.h" |
| |
| #include "apps/app_lifetime_monitor_factory.h" |
| #include "apps/app_restore_service_factory.h" |
| #include "apps/launcher.h" |
| #include "apps/saved_files_service.h" |
| #include "content/public/browser/browser_context.h" |
| #include "extensions/browser/app_window/app_window.h" |
| #include "extensions/browser/extension_host.h" |
| #include "extensions/browser/extension_prefs.h" |
| #include "extensions/browser/extension_registry.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/extension_set.h" |
| |
| using extensions::Extension; |
| using extensions::ExtensionHost; |
| using extensions::ExtensionPrefs; |
| using extensions::ExtensionRegistry; |
| |
| namespace apps { |
| |
| // static |
| bool AppRestoreService::ShouldRestoreApps(bool is_browser_restart) { |
| bool should_restore_apps = is_browser_restart; |
| #if defined(OS_CHROMEOS) |
| // Chromeos always restarts apps, even if it was a regular shutdown. |
| should_restore_apps = true; |
| #endif |
| return should_restore_apps; |
| } |
| |
| AppRestoreService::AppRestoreService(content::BrowserContext* context) |
| : context_(context) { |
| StartObservingAppLifetime(); |
| } |
| |
| void AppRestoreService::HandleStartup(bool should_restore_apps) { |
| const extensions::ExtensionSet& extensions = |
| ExtensionRegistry::Get(context_)->enabled_extensions(); |
| ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(context_); |
| |
| for (extensions::ExtensionSet::const_iterator it = extensions.begin(); |
| it != extensions.end(); ++it) { |
| const Extension* extension = it->get(); |
| if (extension_prefs->IsExtensionRunning(extension->id())) { |
| RecordAppStop(extension->id()); |
| // If we are not restoring apps (e.g., because it is a clean restart), and |
| // the app does not have retain permission, explicitly clear the retained |
| // entries queue. |
| if (should_restore_apps) { |
| RestoreApp(it->get()); |
| } else { |
| SavedFilesService::Get(context_)->ClearQueueIfNoRetainPermission( |
| extension); |
| } |
| } |
| } |
| } |
| |
| bool AppRestoreService::IsAppRestorable(const std::string& extension_id) { |
| return ExtensionPrefs::Get(context_)->IsExtensionRunning(extension_id); |
| } |
| |
| void AppRestoreService::OnApplicationTerminating() { |
| // We want to preserve the state when the app begins terminating, so stop |
| // listening to app lifetime events. |
| StopObservingAppLifetime(); |
| } |
| |
| // static |
| AppRestoreService* AppRestoreService::Get(content::BrowserContext* context) { |
| return apps::AppRestoreServiceFactory::GetForBrowserContext(context); |
| } |
| |
| void AppRestoreService::OnAppStart(content::BrowserContext* context, |
| const std::string& app_id) { |
| RecordAppStart(app_id); |
| } |
| |
| void AppRestoreService::OnAppActivated(content::BrowserContext* context, |
| const std::string& app_id) { |
| RecordAppActiveState(app_id, true); |
| } |
| |
| void AppRestoreService::OnAppDeactivated(content::BrowserContext* context, |
| const std::string& app_id) { |
| RecordAppActiveState(app_id, false); |
| } |
| |
| void AppRestoreService::OnAppStop(content::BrowserContext* context, |
| const std::string& app_id) { |
| RecordAppStop(app_id); |
| } |
| |
| void AppRestoreService::Shutdown() { |
| StopObservingAppLifetime(); |
| } |
| |
| void AppRestoreService::RecordAppStart(const std::string& extension_id) { |
| ExtensionPrefs::Get(context_)->SetExtensionRunning(extension_id, true); |
| } |
| |
| void AppRestoreService::RecordAppStop(const std::string& extension_id) { |
| ExtensionPrefs::Get(context_)->SetExtensionRunning(extension_id, false); |
| } |
| |
| void AppRestoreService::RecordAppActiveState(const std::string& id, |
| bool is_active) { |
| ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(context_); |
| |
| // If the extension isn't running then we will already have recorded whether |
| // it is active or not. |
| if (!extension_prefs->IsExtensionRunning(id)) |
| return; |
| |
| extension_prefs->SetIsActive(id, is_active); |
| } |
| |
| void AppRestoreService::RestoreApp(const Extension* extension) { |
| RestartPlatformApp(context_, extension); |
| } |
| |
| void AppRestoreService::StartObservingAppLifetime() { |
| AppLifetimeMonitor* app_lifetime_monitor = |
| AppLifetimeMonitorFactory::GetForBrowserContext(context_); |
| DCHECK(app_lifetime_monitor); |
| app_lifetime_monitor->AddObserver(this); |
| } |
| |
| void AppRestoreService::StopObservingAppLifetime() { |
| AppLifetimeMonitor* app_lifetime_monitor = |
| AppLifetimeMonitorFactory::GetForBrowserContext(context_); |
| // This might be NULL in tests. |
| if (app_lifetime_monitor) |
| app_lifetime_monitor->RemoveObserver(this); |
| } |
| |
| } // namespace apps |