/* * Copyright (C) 2010 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_VIRTUAL_KEY_MAP_H #define _UI_VIRTUAL_KEY_MAP_H #include <stdint.h> #include <ui/Input.h> #include <utils/Errors.h> #include <utils/KeyedVector.h> #include <utils/Tokenizer.h> #include <utils/String8.h> #include <utils/Unicode.h> namespace android { /* Describes a virtual key. */ struct VirtualKeyDefinition { int32_t scanCode; // configured position data, specified in display coords int32_t centerX; int32_t centerY; int32_t width; int32_t height; }; /** * Describes a collection of virtual keys on a touch screen in terms of * virtual scan codes and hit rectangles. */ class VirtualKeyMap { public: ~VirtualKeyMap(); static status_t load(const String8& filename, VirtualKeyMap** outMap); inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const { return mVirtualKeys; } private: class Parser { VirtualKeyMap* mMap; Tokenizer* mTokenizer; public: Parser(VirtualKeyMap* map, Tokenizer* tokenizer); ~Parser(); status_t parse(); private: bool consumeFieldDelimiterAndSkipWhitespace(); bool parseNextIntField(int32_t* outValue); }; Vector<VirtualKeyDefinition> mVirtualKeys; VirtualKeyMap(); }; } // namespace android #endif // _UI_KEY_CHARACTER_MAP_H