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comparison: widget/gonk/libui/VirtualKeyMap.h
widget/gonk/libui/VirtualKeyMap.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:5d06685c20ff |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2010 The Android Open Source Project | |
| 3 * | |
| 4 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 * you may not use this file except in compliance with the License. | |
| 6 * You may obtain a copy of the License at | |
| 7 * | |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 * | |
| 10 * Unless required by applicable law or agreed to in writing, software | |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 * See the License for the specific language governing permissions and | |
| 14 * limitations under the License. | |
| 15 */ | |
| 16 | |
| 17 #ifndef _ANDROIDFW_VIRTUAL_KEY_MAP_H | |
| 18 #define _ANDROIDFW_VIRTUAL_KEY_MAP_H | |
| 19 | |
| 20 #include <stdint.h> | |
| 21 | |
| 22 #include "Input.h" | |
| 23 #include <utils/Errors.h> | |
| 24 #include <utils/KeyedVector.h> | |
| 25 #include "Tokenizer.h" | |
| 26 #include <utils/String8.h> | |
| 27 #include <utils/Unicode.h> | |
| 28 | |
| 29 namespace android { | |
| 30 | |
| 31 /* Describes a virtual key. */ | |
| 32 struct VirtualKeyDefinition { | |
| 33 int32_t scanCode; | |
| 34 | |
| 35 // configured position data, specified in display coords | |
| 36 int32_t centerX; | |
| 37 int32_t centerY; | |
| 38 int32_t width; | |
| 39 int32_t height; | |
| 40 }; | |
| 41 | |
| 42 | |
| 43 /** | |
| 44 * Describes a collection of virtual keys on a touch screen in terms of | |
| 45 * virtual scan codes and hit rectangles. | |
| 46 * | |
| 47 * This object is immutable after it has been loaded. | |
| 48 */ | |
| 49 class VirtualKeyMap { | |
| 50 public: | |
| 51 ~VirtualKeyMap(); | |
| 52 | |
| 53 static status_t load(const String8& filename, VirtualKeyMap** outMap); | |
| 54 | |
| 55 inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const { | |
| 56 return mVirtualKeys; | |
| 57 } | |
| 58 | |
| 59 private: | |
| 60 class Parser { | |
| 61 VirtualKeyMap* mMap; | |
| 62 Tokenizer* mTokenizer; | |
| 63 | |
| 64 public: | |
| 65 Parser(VirtualKeyMap* map, Tokenizer* tokenizer); | |
| 66 ~Parser(); | |
| 67 status_t parse(); | |
| 68 | |
| 69 private: | |
| 70 bool consumeFieldDelimiterAndSkipWhitespace(); | |
| 71 bool parseNextIntField(int32_t* outValue); | |
| 72 }; | |
| 73 | |
| 74 Vector<VirtualKeyDefinition> mVirtualKeys; | |
| 75 | |
| 76 VirtualKeyMap(); | |
| 77 }; | |
| 78 | |
| 79 } // namespace android | |
| 80 | |
| 81 #endif // _ANDROIDFW_KEY_CHARACTER_MAP_H |
