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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_CUSTOM_HANDLERS_SIMPLE_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
#define COMPONENTS_CUSTOM_HANDLERS_SIMPLE_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
#include "base/no_destructor.h"
#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
namespace custom_handlers {
class ProtocolHandlerRegistry;
// Simgleton that owns all the ProtocolHandlerRegistrys and associates them with
// BrowserContext instances.
//
// It creates the Registry instances without access to the PrefService storage.
// This is useful for testing purposes, since we can't be sure the UserPref
// storage has been set (eg, Web Platform Tests).
//
// It uses the TestProtocolHandlerRegistryDelegate, hence it doesn't provide any
// OS integration during the registration process.
//
// It does not override the GetBrowserContextToUse method from
// BrowserContextKeyedServiceFactory, which means that no service is returned in
// Incognito.
class SimpleProtocolHandlerRegistryFactory
: public BrowserContextKeyedServiceFactory {
public:
// Returns the singleton instance of the ProtocolHandlerRegistryFactory.
static SimpleProtocolHandlerRegistryFactory* GetInstance();
// Returns the ProtocolHandlerRegistry that provides intent registration for
// |context|. Ownership stays with this factory object.
// Allows the caller to indicate that the KeyedService should not be created
// if it's not registered. This is particularly useful for testings purposes,
// since the TestBrowserContext doesn't implement the TwoPhaseShutdown of
// KeyedService instances.
static ProtocolHandlerRegistry* GetForBrowserContext(
content::BrowserContext* context,
bool create = false);
SimpleProtocolHandlerRegistryFactory(
const SimpleProtocolHandlerRegistryFactory&) = delete;
SimpleProtocolHandlerRegistryFactory& operator=(
const SimpleProtocolHandlerRegistryFactory&) = delete;
protected:
// BrowserContextKeyedServiceFactory implementation.
bool ServiceIsCreatedWithBrowserContext() const override;
bool ServiceIsNULLWhileTesting() const override;
private:
friend class base::NoDestructor<SimpleProtocolHandlerRegistryFactory>;
SimpleProtocolHandlerRegistryFactory();
~SimpleProtocolHandlerRegistryFactory() override = default;
// BrowserContextKeyedServiceFactory implementation.
std::unique_ptr<KeyedService> BuildServiceInstanceForBrowserContext(
content::BrowserContext* profile) const override;
};
} // namespace custom_handlers
#endif // COMPONENTS_CUSTOM_HANDLERS_SIMPLE_PROTOCOL_HANDLER_REGISTRY_FACTORY_H
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