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      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_service.h"
      9 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
     10 
     11 // static
     12 SessionService* SessionServiceFactory::GetForProfile(Profile* profile) {
     13 #if defined(OS_ANDROID)
     14   // For Android we do not store sessions in the SessionService.
     15   return NULL;
     16 #else
     17   return static_cast<SessionService*>(
     18       GetInstance()->GetServiceForBrowserContext(profile, true));
     19 #endif
     20 }
     21 
     22 // static
     23 SessionService* SessionServiceFactory::GetForProfileIfExisting(
     24     Profile* profile) {
     25 #if defined(OS_ANDROID)
     26   // For Android we do not store sessions in the SessionService.
     27   return NULL;
     28 #else
     29   return static_cast<SessionService*>(
     30       GetInstance()->GetServiceForBrowserContext(profile, false));
     31 #endif
     32 }
     33 
     34 // static
     35 void SessionServiceFactory::ShutdownForProfile(Profile* profile) {
     36   // We're about to exit, force creation of the session service if it hasn't
     37   // been created yet. We do this to ensure session state matches the point in
     38   // time the user exited.
     39   SessionServiceFactory* factory = GetInstance();
     40   factory->GetServiceForBrowserContext(profile, true);
     41 
     42   // Shut down and remove the reference to the session service, and replace it
     43   // with an explicit NULL to prevent it being recreated on the next access.
     44   factory->BrowserContextShutdown(profile);
     45   factory->BrowserContextDestroyed(profile);
     46   factory->Associate(profile, NULL);
     47 }
     48 
     49 SessionServiceFactory* SessionServiceFactory::GetInstance() {
     50   return Singleton<SessionServiceFactory>::get();
     51 }
     52 
     53 SessionServiceFactory::SessionServiceFactory()
     54     : BrowserContextKeyedServiceFactory(
     55         "SessionService",
     56         BrowserContextDependencyManager::GetInstance()) {
     57 }
     58 
     59 SessionServiceFactory::~SessionServiceFactory() {
     60 }
     61 
     62 BrowserContextKeyedService* SessionServiceFactory::BuildServiceInstanceFor(
     63     content::BrowserContext* profile) const {
     64   SessionService* service = NULL;
     65   service = new SessionService(static_cast<Profile*>(profile));
     66   service->ResetFromCurrentBrowsers();
     67   return service;
     68 }
     69 
     70 bool SessionServiceFactory::ServiceIsCreatedWithBrowserContext() const {
     71   return true;
     72 }
     73 
     74 bool SessionServiceFactory::ServiceIsNULLWhileTesting() const {
     75   return true;
     76 }
     77