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// Copyright 2013 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 UI_EVENTS_OZONE_EVENT_FACTORY_DELEGATE_EVDEV_H_
#define UI_EVENTS_OZONE_EVENT_FACTORY_DELEGATE_EVDEV_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "ui/events/events_export.h"
#include "ui/events/ozone/evdev/event_converter.h"
#include "ui/events/ozone/evdev/event_modifiers.h"
#include "ui/events/ozone/event_factory_ozone.h"
namespace ui {
typedef base::Callback<void(const base::FilePath& file_path)>
EvdevDeviceCallback;
// Interface for scanning & monitoring input devices.
class DeviceManagerEvdev {
public:
virtual ~DeviceManagerEvdev();
// Enumerate devices & start watching for changes.
virtual void ScanAndStartMonitoring(
const EvdevDeviceCallback& device_added,
const EvdevDeviceCallback& device_removed) = 0;
};
// Ozone events implementation for the Linux input subsystem ("evdev").
class EVENTS_EXPORT EventFactoryEvdev : public EventFactoryOzone {
public:
EventFactoryEvdev();
virtual ~EventFactoryEvdev();
virtual void StartProcessingEvents() OVERRIDE;
private:
// Open device at path & starting processing events.
void AttachInputDevice(const base::FilePath& file_path);
// Close device at path.
void DetachInputDevice(const base::FilePath& file_path);
// Owned per-device event converters (by path).
std::map<base::FilePath, EventConverterEvdev*> converters_;
// Interface for scanning & monitoring input devices.
scoped_ptr<DeviceManagerEvdev> device_manager_;
EventModifiersEvdev modifiers_;
DISALLOW_COPY_AND_ASSIGN(EventFactoryEvdev);
};
} // namespace ui
#endif // UI_EVENTS_OZONE_EVENT_FACTORY_DELEGATE_EVDEV_H_
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