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// 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.
#ifndef CHROME_BROWSER_SESSIONS_SESSION_SERVICE_FACTORY_H_
#define CHROME_BROWSER_SESSIONS_SESSION_SERVICE_FACTORY_H_
#include <utility>
#include "base/gtest_prod_util.h"
#include "base/memory/singleton.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sessions/session_service.h"
#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
// Singleton that owns all SessionServices and associates them with
// Profiles. Listens for the Profile's destruction notification and cleans up
// the associated SessionService.
class SessionServiceFactory : public BrowserContextKeyedServiceFactory {
public:
// Returns the session service for |profile|. This may return NULL. If this
// profile supports a session service (it isn't incognito), and the session
// service hasn't yet been created, this forces creation of the session
// service. This returns NULL if ShutdownForProfile has been called for
// |profile|.
//
// This returns NULL if the profile is incognito. Callers should always check
// the return value for NULL.
static SessionService* GetForProfile(Profile* profile);
// Returns the session service for |profile|, but do not create it if it
// doesn't exist. This returns NULL if the profile is incognito or if session
// service has been explicitly shutdown (browser is exiting). Callers should
// always check the return value for NULL.
static SessionService* GetForProfileIfExisting(Profile* profile);
// Returns the session service for |profile|. This is the same as
// GetForProfile, but will force creation of the session service even if
// ShutdownForProfile has been called for |profile|.
static SessionService* GetForProfileForSessionRestore(Profile* profile);
// If |profile| has a session service, it is shut down. To properly record the
// current state this forces creation of the session service, then shuts it
// down.
static void ShutdownForProfile(Profile* profile);
#if defined(UNIT_TEST)
// For test use: force setting of the session service for a given profile.
// This will delete a previous session service for this profile if it exists.
static void SetForTestProfile(Profile* profile,
scoped_ptr<SessionService> service) {
GetInstance()->BrowserContextShutdown(profile);
GetInstance()->BrowserContextDestroyed(profile);
GetInstance()->Associate(profile, std::move(service));
}
#endif
static SessionServiceFactory* GetInstance();
private:
friend struct base::DefaultSingletonTraits<SessionServiceFactory>;
FRIEND_TEST_ALL_PREFIXES(SessionCrashedInfoBarDelegateUnitTest,
DetachingTabWithCrashedInfoBar);
SessionServiceFactory();
~SessionServiceFactory() override;
// BrowserContextKeyedServiceFactory:
KeyedService* BuildServiceInstanceFor(
content::BrowserContext* profile) const override;
bool ServiceIsCreatedWithBrowserContext() const override;
bool ServiceIsNULLWhileTesting() const override;
};
#endif // CHROME_BROWSER_SESSIONS_SESSION_SERVICE_FACTORY_H_
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