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/*
* Copyright (C) 2008 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.
*/
#ifndef _UI_KEY_LAYOUT_MAP_H
#define _UI_KEY_LAYOUT_MAP_H
#include <stdint.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/Tokenizer.h>
namespace android {
/**
* Describes a mapping from keyboard scan codes to Android key codes.
*/
class KeyLayoutMap {
public:
~KeyLayoutMap();
static status_t load(const String8& filename, KeyLayoutMap** outMap);
status_t map(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const;
status_t findScanCodes(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
private:
struct Key {
int32_t keyCode;
uint32_t flags;
};
KeyedVector<int32_t,Key> mKeys;
KeyLayoutMap();
class Parser {
KeyLayoutMap* mMap;
Tokenizer* mTokenizer;
public:
Parser(KeyLayoutMap* map, Tokenizer* tokenizer);
~Parser();
status_t parse();
private:
status_t parseKey();
};
};
} // namespace android
#endif // _UI_KEY_LAYOUT_MAP_H