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// Copyright 2018 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_ARC_ARC_APPFUSE_PROVIDER_CLIENT_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_ARC_ARC_APPFUSE_PROVIDER_CLIENT_H_
#include <stdint.h>
#include "base/component_export.h"
#include "base/files/scoped_file.h"
#include "chromeos/dbus/common/dbus_callback.h"
#include "chromeos/dbus/common/dbus_client.h"
namespace ash {
// ArcAppfuseProviderClient is used to communicate with the ArcAppfuseProvider
// service which provides ProxyFileDescriptor (aka appfuse) feature for ARC. All
// methods should be called from the origin thread (UI thread) which initializes
// the DBusThreadManager instance.
class COMPONENT_EXPORT(ASH_DBUS_ARC) ArcAppfuseProviderClient
: public chromeos::DBusClient {
public:
// Returns the global instance if initialized. May return null.
static ArcAppfuseProviderClient* Get();
// Creates and initializes the global instance. |bus| must not be null.
static void Initialize(dbus::Bus* bus);
// Creates and initializes a fake global instance.
static void InitializeFake();
// Destroys the global instance if it has been initialized.
static void Shutdown();
// Mounts a new appfuse file system and returns a filtered /dev/fuse FD
// associated with the mounted file system.
virtual void Mount(uint32_t uid,
int32_t mount_id,
chromeos::DBusMethodCallback<base::ScopedFD> callback) = 0;
// Unmounts the specified appfuse file system.
virtual void Unmount(uint32_t uid,
int32_t mount_id,
chromeos::VoidDBusMethodCallback callback) = 0;
// Opens a file under the specified appfuse file system.
virtual void OpenFile(
uint32_t uid,
int32_t mount_id,
int32_t file_id,
int32_t flags,
chromeos::DBusMethodCallback<base::ScopedFD> callback) = 0;
protected:
ArcAppfuseProviderClient();
~ArcAppfuseProviderClient() override;
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_ARC_ARC_APPFUSE_PROVIDER_CLIENT_H_
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