blob: 04512d8758aa4040f6418b5b5a6839128ac20434 [file] [log] [blame]
// Copyright 2014 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.
#include <memory>
#include "ui/events/ozone/events_ozone_export.h"
namespace ui {
class DeviceEventObserver;
class EVENTS_OZONE_EXPORT DeviceManager {
virtual ~DeviceManager() {}
// Scans the currently available devices and notifies |observer| for each
// device found. If also registering for notifications through AddObserver(),
// the scan should happen after the registration otherwise the observer may
// miss events.
virtual void ScanDevices(DeviceEventObserver* observer) = 0;
// Registers |observer| for device event notifications.
virtual void AddObserver(DeviceEventObserver* observer) = 0;
// Removes |observer| from the list of observers notified.
virtual void RemoveObserver(DeviceEventObserver* observer) = 0;
EVENTS_OZONE_EXPORT std::unique_ptr<DeviceManager> CreateDeviceManager();
} // namespace ui