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// Copyright 2018 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 CHROMEOS_DBUS_SERVICES_DRIVE_FILE_STREAM_SERVICE_PROVIDER_H_
#define CHROMEOS_DBUS_SERVICES_DRIVE_FILE_STREAM_SERVICE_PROVIDER_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "base/compiler_specific.h"
#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/services/cros_dbus_service.h"
#include "dbus/exported_object.h"
namespace dbus {
class MethodCall;
}
namespace chromeos {
// DriveFileStreamServiceProvider exposes D-Bus methods which will be
// called by the DriveFileStream service - new implementation of Drive
// cloud storage support for ChromeOS. It allows establishing IPC between
// system service and the browser delegating auth and UI interactions
// to the browser.
class CHROMEOS_EXPORT DriveFileStreamServiceProvider
: public CrosDBusService::ServiceProviderInterface {
public:
class Delegate {
public:
virtual ~Delegate() {}
// Establishes direct IPC link between the instance of
// DriveFileStreamService and Chrome.
virtual bool OpenIpcChannel(const std::string& identity,
base::ScopedFD ipc_channel) = 0;
};
explicit DriveFileStreamServiceProvider(std::unique_ptr<Delegate> delegate);
~DriveFileStreamServiceProvider() override;
// CrosDBusService::ServiceProviderInterface overrides:
void Start(scoped_refptr<dbus::ExportedObject> exported_object) override;
private:
// Called on UI thread to handle incoming D-Bus method calls.
void HandleOpenIpcChannel(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
const std::unique_ptr<Delegate> delegate_;
// Keep this last so that all weak pointers will be invalidated at the
// beginning of destruction.
base::WeakPtrFactory<DriveFileStreamServiceProvider> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(DriveFileStreamServiceProvider);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_SERVICES_DRIVE_FILE_STREAM_SERVICE_PROVIDER_H_