// 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 CHROMEOS_ASH_COMPONENTS_DBUS_CDM_FACTORY_DAEMON_CDM_FACTORY_DAEMON_CLIENT_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_CDM_FACTORY_DAEMON_CDM_FACTORY_DAEMON_CLIENT_H_
#include "base/component_export.h"
#include "base/files/scoped_file.h"
#include "base/functional/callback.h"
#include "chromeos/dbus/common/dbus_callback.h"
namespace dbus {
class Bus;
}
namespace ash {
// CdmFactoryDaemonClient is used to communicate with the CdmFactoryDaemon
// service which provides a Content Decryption Module implementation for Chrome.
// The only purpose of the D-Bus service is to bootstrap a Mojo IPC connection.
class COMPONENT_EXPORT(CDM_FACTORY_DAEMON) CdmFactoryDaemonClient {
public:
// Creates and initializes the global instance. |bus| must not be null.
static void Initialize(dbus::Bus* bus);
// Creates and initializes a fake global instance if not already created.
static void InitializeFake();
// Destroys the global instance.
static void Shutdown();
// Returns the global instance which may be null if not initialized.
static CdmFactoryDaemonClient* Get();
CdmFactoryDaemonClient(const CdmFactoryDaemonClient&) = delete;
CdmFactoryDaemonClient& operator=(const CdmFactoryDaemonClient&) = delete;
// CdmFactoryDaemon D-Bus method calls. See org.chromium.CdmFactoryDaemon.xml
// in Chromium OS code for the documentation of the methods and
// request/response messages.
virtual void BootstrapMojoConnection(
base::ScopedFD fd,
base::OnceCallback<void(bool success)> callback) = 0;
// Registers |callback| to run when the CdmFactoryDaemon service becomes
// available.
virtual void WaitForServiceToBeAvailable(
chromeos::WaitForServiceToBeAvailableCallback callback) = 0;
protected:
// Initialize/Shutdown should be used instead.
CdmFactoryDaemonClient();
virtual ~CdmFactoryDaemonClient();
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_CDM_FACTORY_DAEMON_CDM_FACTORY_DAEMON_CLIENT_H_