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/*
* Copyright 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android-base/result.h>
#include <input/Input.h>
#include <input/InputDevice.h>
#include "rust/cxx.h"
namespace android {
namespace input {
namespace keyboardClassifier {
struct KeyboardClassifier;
}
} // namespace input
/*
* Keyboard classifier to classify keyboard into alphabetic and non-alphabetic keyboards
*/
class KeyboardClassifier {
public:
KeyboardClassifier();
/**
* Get the type of keyboard that the classifier currently believes the device to be.
*/
KeyboardType getKeyboardType(DeviceId deviceId);
void notifyKeyboardChanged(DeviceId deviceId, const InputDeviceIdentifier& identifier,
uint32_t deviceClasses);
void processKey(DeviceId deviceId, int32_t evdevCode, uint32_t metaState);
private:
std::optional<rust::Box<android::input::keyboardClassifier::KeyboardClassifier>>
mRustClassifier;
std::unordered_map<DeviceId, KeyboardType> mKeyboardTypeMap;
};
} // namespace android
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