1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/libui/VirtualKeyMap.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,81 @@
1.4 +/*
1.5 + * Copyright (C) 2010 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef _ANDROIDFW_VIRTUAL_KEY_MAP_H
1.21 +#define _ANDROIDFW_VIRTUAL_KEY_MAP_H
1.22 +
1.23 +#include <stdint.h>
1.24 +
1.25 +#include "Input.h"
1.26 +#include <utils/Errors.h>
1.27 +#include <utils/KeyedVector.h>
1.28 +#include "Tokenizer.h"
1.29 +#include <utils/String8.h>
1.30 +#include <utils/Unicode.h>
1.31 +
1.32 +namespace android {
1.33 +
1.34 +/* Describes a virtual key. */
1.35 +struct VirtualKeyDefinition {
1.36 + int32_t scanCode;
1.37 +
1.38 + // configured position data, specified in display coords
1.39 + int32_t centerX;
1.40 + int32_t centerY;
1.41 + int32_t width;
1.42 + int32_t height;
1.43 +};
1.44 +
1.45 +
1.46 +/**
1.47 + * Describes a collection of virtual keys on a touch screen in terms of
1.48 + * virtual scan codes and hit rectangles.
1.49 + *
1.50 + * This object is immutable after it has been loaded.
1.51 + */
1.52 +class VirtualKeyMap {
1.53 +public:
1.54 + ~VirtualKeyMap();
1.55 +
1.56 + static status_t load(const String8& filename, VirtualKeyMap** outMap);
1.57 +
1.58 + inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const {
1.59 + return mVirtualKeys;
1.60 + }
1.61 +
1.62 +private:
1.63 + class Parser {
1.64 + VirtualKeyMap* mMap;
1.65 + Tokenizer* mTokenizer;
1.66 +
1.67 + public:
1.68 + Parser(VirtualKeyMap* map, Tokenizer* tokenizer);
1.69 + ~Parser();
1.70 + status_t parse();
1.71 +
1.72 + private:
1.73 + bool consumeFieldDelimiterAndSkipWhitespace();
1.74 + bool parseNextIntField(int32_t* outValue);
1.75 + };
1.76 +
1.77 + Vector<VirtualKeyDefinition> mVirtualKeys;
1.78 +
1.79 + VirtualKeyMap();
1.80 +};
1.81 +
1.82 +} // namespace android
1.83 +
1.84 +#endif // _ANDROIDFW_KEY_CHARACTER_MAP_H
