chrome/browser/sessions/session_service_factory.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/sessions/session_service_factory.h"
   6
   7 #include "chrome/browser/profiles/profile.h"
   8 #include "chrome/browser/sessions/session_data_deleter.h"
   9 #include "chrome/browser/sessions/session_service.h"
  10 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  11
  12 // static
  13 SessionService* SessionServiceFactory::GetForProfile(Profile* profile) {
  14 #if defined(OS_ANDROID)
  15   // For Android we do not store sessions in the SessionService.
  16   return NULL;
  17 #else
  18   return static_cast<SessionService*>(
  19       GetInstance()->GetServiceForBrowserContext(profile, true));
  20 #endif
  21 }
  22
  23 // static
  24 SessionService* SessionServiceFactory::GetForProfileIfExisting(
  25     Profile* profile) {
  26 #if defined(OS_ANDROID)
  27   // For Android we do not store sessions in the SessionService.
  28   return NULL;
  29 #else
  30   return static_cast<SessionService*>(
  31       GetInstance()->GetServiceForBrowserContext(profile, false));
  32 #endif
  33 }
  34
  35 // static
  36 SessionService* SessionServiceFactory::GetForProfileForSessionRestore(
  37     Profile* profile) {
  38   SessionService* service = GetForProfile(profile);
  39   if (!service) {
  40     // If the service has been shutdown, remove the reference to NULL for
  41     // |profile| so GetForProfile will recreate it.
  42     GetInstance()->Disassociate(profile);
  43     service = GetForProfile(profile);
  44   }
  45   return service;
  46 }
  47
  48 // static
  49 void SessionServiceFactory::ShutdownForProfile(Profile* profile) {
  50   DeleteSessionOnlyData(profile);
  51
  52   // We're about to exit, force creation of the session service if it hasn't
  53   // been created yet. We do this to ensure session state matches the point in
  54   // time the user exited.
  55   SessionServiceFactory* factory = GetInstance();
  56   factory->GetServiceForBrowserContext(profile, true);
  57
  58   // Shut down and remove the reference to the session service, and replace it
  59   // with an explicit NULL to prevent it being recreated on the next access.
  60   factory->BrowserContextShutdown(profile);
  61   factory->BrowserContextDestroyed(profile);
  62   factory->Associate(profile, NULL);
  63 }
  64
  65 SessionServiceFactory* SessionServiceFactory::GetInstance() {
  66   return base::Singleton<SessionServiceFactory>::get();
  67 }
  68
  69 SessionServiceFactory::SessionServiceFactory()
  70     : BrowserContextKeyedServiceFactory(
  71         "SessionService",
  72         BrowserContextDependencyManager::GetInstance()) {
  73 }
  74
  75 SessionServiceFactory::~SessionServiceFactory() {
  76 }
  77
  78 KeyedService* SessionServiceFactory::BuildServiceInstanceFor(
  79     content::BrowserContext* profile) const {
  80   SessionService* service = NULL;
  81   service = new SessionService(static_cast<Profile*>(profile));
  82   service->ResetFromCurrentBrowsers();
  83   return service;
  84 }
  85
  86 bool SessionServiceFactory::ServiceIsCreatedWithBrowserContext() const {
  87   return true;
  88 }
  89
  90 bool SessionServiceFactory::ServiceIsNULLWhileTesting() const {
  91   return true;
  92 }