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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_FILEAPI_FILE_CHANGE_SERVICE_FACTORY_H_
#define CHROME_BROWSER_ASH_FILEAPI_FILE_CHANGE_SERVICE_FACTORY_H_
#include "base/no_destructor.h"
#include "chrome/browser/profiles/profile_keyed_service_factory.h"
namespace content {
class BrowserContext;
} // namespace content
namespace ash {
class FileChangeService;
// A factory which creates the service which notifies observers of file change
// events from external file systems. There will exist at most one service
// instance per browser context.
class FileChangeServiceFactory : public ProfileKeyedServiceFactory {
public:
// Returns the singleton factory instance.
static FileChangeServiceFactory* GetInstance();
// Returns the service instance for the specified browser `context`. Note that
// this will create the service if an instance does not already exist.
FileChangeService* GetService(content::BrowserContext* context);
private:
friend class base::NoDestructor<FileChangeServiceFactory>;
FileChangeServiceFactory();
FileChangeServiceFactory(const FileChangeServiceFactory&) = delete;
FileChangeServiceFactory& operator=(const FileChangeServiceFactory&) = delete;
~FileChangeServiceFactory() override;
// BrowserContextKeyedServiceFactory:
std::unique_ptr<KeyedService> BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const override;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_FILEAPI_FILE_CHANGE_SERVICE_FACTORY_H_
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