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comparison: widget/gonk/libui/InputDevice.h
widget/gonk/libui/InputDevice.h
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- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:3a943c4a36ed |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2012 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_INPUT_DEVICE_H | |
| 18 #define _ANDROIDFW_INPUT_DEVICE_H | |
| 19 | |
| 20 #include "Input.h" | |
| 21 #include "KeyCharacterMap.h" | |
| 22 | |
| 23 namespace android { | |
| 24 | |
| 25 /* | |
| 26 * Identifies a device. | |
| 27 */ | |
| 28 struct InputDeviceIdentifier { | |
| 29 inline InputDeviceIdentifier() : | |
| 30 bus(0), vendor(0), product(0), version(0) { | |
| 31 } | |
| 32 | |
| 33 // Information provided by the kernel. | |
| 34 String8 name; | |
| 35 String8 location; | |
| 36 String8 uniqueId; | |
| 37 uint16_t bus; | |
| 38 uint16_t vendor; | |
| 39 uint16_t product; | |
| 40 uint16_t version; | |
| 41 | |
| 42 // A composite input device descriptor string that uniquely identifies the device | |
| 43 // even across reboots or reconnections. The value of this field is used by | |
| 44 // upper layers of the input system to associate settings with individual devices. | |
| 45 // It is hashed from whatever kernel provided information is available. | |
| 46 // Ideally, the way this value is computed should not change between Android releases | |
| 47 // because that would invalidate persistent settings that rely on it. | |
| 48 String8 descriptor; | |
| 49 }; | |
| 50 | |
| 51 /* | |
| 52 * Describes the characteristics and capabilities of an input device. | |
| 53 */ | |
| 54 class InputDeviceInfo { | |
| 55 public: | |
| 56 InputDeviceInfo(); | |
| 57 InputDeviceInfo(const InputDeviceInfo& other); | |
| 58 ~InputDeviceInfo(); | |
| 59 | |
| 60 struct MotionRange { | |
| 61 int32_t axis; | |
| 62 uint32_t source; | |
| 63 float min; | |
| 64 float max; | |
| 65 float flat; | |
| 66 float fuzz; | |
| 67 float resolution; | |
| 68 }; | |
| 69 | |
| 70 void initialize(int32_t id, int32_t generation, const InputDeviceIdentifier& identifier, | |
| 71 const String8& alias, bool isExternal); | |
| 72 | |
| 73 inline int32_t getId() const { return mId; } | |
| 74 inline int32_t getGeneration() const { return mGeneration; } | |
| 75 inline const InputDeviceIdentifier& getIdentifier() const { return mIdentifier; } | |
| 76 inline const String8& getAlias() const { return mAlias; } | |
| 77 inline const String8& getDisplayName() const { | |
| 78 return mAlias.isEmpty() ? mIdentifier.name : mAlias; | |
| 79 } | |
| 80 inline bool isExternal() const { return mIsExternal; } | |
| 81 inline uint32_t getSources() const { return mSources; } | |
| 82 | |
| 83 const MotionRange* getMotionRange(int32_t axis, uint32_t source) const; | |
| 84 | |
| 85 void addSource(uint32_t source); | |
| 86 void addMotionRange(int32_t axis, uint32_t source, | |
| 87 float min, float max, float flat, float fuzz, float resolution); | |
| 88 void addMotionRange(const MotionRange& range); | |
| 89 | |
| 90 inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; } | |
| 91 inline int32_t getKeyboardType() const { return mKeyboardType; } | |
| 92 | |
| 93 inline void setKeyCharacterMap(const sp<KeyCharacterMap>& value) { | |
| 94 mKeyCharacterMap = value; | |
| 95 } | |
| 96 | |
| 97 inline sp<KeyCharacterMap> getKeyCharacterMap() const { | |
| 98 return mKeyCharacterMap; | |
| 99 } | |
| 100 | |
| 101 inline void setVibrator(bool hasVibrator) { mHasVibrator = hasVibrator; } | |
| 102 inline bool hasVibrator() const { return mHasVibrator; } | |
| 103 | |
| 104 inline const Vector<MotionRange>& getMotionRanges() const { | |
| 105 return mMotionRanges; | |
| 106 } | |
| 107 | |
| 108 private: | |
| 109 int32_t mId; | |
| 110 int32_t mGeneration; | |
| 111 InputDeviceIdentifier mIdentifier; | |
| 112 String8 mAlias; | |
| 113 bool mIsExternal; | |
| 114 uint32_t mSources; | |
| 115 int32_t mKeyboardType; | |
| 116 sp<KeyCharacterMap> mKeyCharacterMap; | |
| 117 bool mHasVibrator; | |
| 118 | |
| 119 Vector<MotionRange> mMotionRanges; | |
| 120 }; | |
| 121 | |
| 122 /* Types of input device configuration files. */ | |
| 123 enum InputDeviceConfigurationFileType { | |
| 124 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION = 0, /* .idc file */ | |
| 125 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT = 1, /* .kl file */ | |
| 126 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP = 2, /* .kcm file */ | |
| 127 }; | |
| 128 | |
| 129 /* | |
| 130 * Gets the path of an input device configuration file, if one is available. | |
| 131 * Considers both system provided and user installed configuration files. | |
| 132 * | |
| 133 * The device identifier is used to construct several default configuration file | |
| 134 * names to try based on the device name, vendor, product, and version. | |
| 135 * | |
| 136 * Returns an empty string if not found. | |
| 137 */ | |
| 138 extern String8 getInputDeviceConfigurationFilePathByDeviceIdentifier( | |
| 139 const InputDeviceIdentifier& deviceIdentifier, | |
| 140 InputDeviceConfigurationFileType type); | |
| 141 | |
| 142 /* | |
| 143 * Gets the path of an input device configuration file, if one is available. | |
| 144 * Considers both system provided and user installed configuration files. | |
| 145 * | |
| 146 * The name is case-sensitive and is used to construct the filename to resolve. | |
| 147 * All characters except 'a'-'z', 'A'-'Z', '0'-'9', '-', and '_' are replaced by underscores. | |
| 148 * | |
| 149 * Returns an empty string if not found. | |
| 150 */ | |
| 151 extern String8 getInputDeviceConfigurationFilePathByName( | |
| 152 const String8& name, InputDeviceConfigurationFileType type); | |
| 153 | |
| 154 } // namespace android | |
| 155 | |
| 156 #endif // _ANDROIDFW_INPUT_DEVICE_H |
