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Harry Cuttsa5b71292022-11-28 12:56:17 +00001/*
2 * Copyright 2022 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#pragma once
18
19#include <condition_variable>
20#include <mutex>
21#include <optional>
22#include <unordered_map>
23#include <vector>
24
25#include <EventHub.h>
26#include <InputDevice.h>
27#include <ftl/flags.h>
28#include <input/PropertyMap.h>
29#include <input/VirtualKeyMap.h>
30#include <utils/Errors.h>
31#include <utils/KeyedVector.h>
32
Harry Cuttsa5b71292022-11-28 12:56:17 +000033namespace android {
34
35class FakeEventHub : public EventHubInterface {
36 struct KeyInfo {
37 int32_t keyCode;
38 uint32_t flags;
39 };
40
41 struct SensorInfo {
42 InputDeviceSensorType sensorType;
43 int32_t sensorDataIndex;
44 };
45
46 struct Device {
47 InputDeviceIdentifier identifier;
48 ftl::Flags<InputDeviceClass> classes;
49 PropertyMap configuration;
50 KeyedVector<int, RawAbsoluteAxisInfo> absoluteAxes;
51 KeyedVector<int, bool> relativeAxes;
52 KeyedVector<int32_t, int32_t> keyCodeStates;
53 KeyedVector<int32_t, int32_t> scanCodeStates;
54 KeyedVector<int32_t, int32_t> switchStates;
55 KeyedVector<int32_t, int32_t> absoluteAxisValue;
56 KeyedVector<int32_t, KeyInfo> keysByScanCode;
57 KeyedVector<int32_t, KeyInfo> keysByUsageCode;
Linnan Lie5657f22024-09-13 21:54:37 +080058 std::map<int32_t, int32_t> keyRemapping;
Harry Cuttsa5b71292022-11-28 12:56:17 +000059 KeyedVector<int32_t, bool> leds;
60 // fake mapping which would normally come from keyCharacterMap
61 std::unordered_map<int32_t, int32_t> keyCodeMapping;
62 std::unordered_map<int32_t, SensorInfo> sensorsByAbsCode;
63 BitArray<MSC_MAX> mscBitmask;
64 std::vector<VirtualKeyDefinition> virtualKeys;
65 bool enabled;
Vaibhav Devmurari7fb41132023-01-02 13:30:26 +000066 std::optional<RawLayoutInfo> layoutInfo;
Vaibhav Devmurari5fc7d852023-03-17 18:43:33 +000067 std::string sysfsRootPath;
Arpit Singh4b4a4572023-11-24 18:19:56 +000068 std::unordered_map<int32_t, std::vector<int32_t>> mtSlotValues;
Harry Cuttsa5b71292022-11-28 12:56:17 +000069
70 status_t enable() {
71 enabled = true;
72 return OK;
73 }
74
75 status_t disable() {
76 enabled = false;
77 return OK;
78 }
79
80 explicit Device(ftl::Flags<InputDeviceClass> classes) : classes(classes), enabled(true) {}
81 };
82
83 std::mutex mLock;
84 std::condition_variable mEventsCondition;
85
86 KeyedVector<int32_t, Device*> mDevices;
87 std::vector<std::string> mExcludedDevices;
88 std::vector<RawEvent> mEvents GUARDED_BY(mLock);
89 std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> mVideoFrames;
90 std::vector<int32_t> mVibrators = {0, 1};
91 std::unordered_map<int32_t, RawLightInfo> mRawLightInfos;
92 // Simulates a device light brightness, from light id to light brightness.
93 std::unordered_map<int32_t /* lightId */, int32_t /* brightness*/> mLightBrightness;
94 // Simulates a device light intensities, from light id to light intensities map.
95 std::unordered_map<int32_t /* lightId */, std::unordered_map<LightColor, int32_t>>
96 mLightIntensities;
97
98public:
99 static constexpr int32_t DEFAULT_BATTERY = 1;
100 static constexpr int32_t BATTERY_STATUS = 4;
101 static constexpr int32_t BATTERY_CAPACITY = 66;
102 static const std::string BATTERY_DEVPATH;
103
104 virtual ~FakeEventHub();
105 FakeEventHub() {}
106
107 void addDevice(int32_t deviceId, const std::string& name, ftl::Flags<InputDeviceClass> classes,
108 int bus = 0);
109 void removeDevice(int32_t deviceId);
110
111 bool isDeviceEnabled(int32_t deviceId) const override;
112 status_t enableDevice(int32_t deviceId) override;
113 status_t disableDevice(int32_t deviceId) override;
114
Harry Cuttsa5b71292022-11-28 12:56:17 +0000115 void addConfigurationProperty(int32_t deviceId, const char* key, const char* value);
116 void addConfigurationMap(int32_t deviceId, const PropertyMap* configuration);
117
118 void addAbsoluteAxis(int32_t deviceId, int axis, int32_t minValue, int32_t maxValue, int flat,
119 int fuzz, int resolution = 0);
120 void addRelativeAxis(int32_t deviceId, int32_t axis);
121 void setAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t value);
122
Vaibhav Devmurari7fb41132023-01-02 13:30:26 +0000123 void setRawLayoutInfo(int32_t deviceId, RawLayoutInfo info);
Harry Cuttsa5b71292022-11-28 12:56:17 +0000124
125 void setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state);
126 void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state);
127 void setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state);
128
129 void addKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t keyCode,
130 uint32_t flags);
131 void addKeyCodeMapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode);
Linnan Lie5657f22024-09-13 21:54:37 +0800132 void setKeyRemapping(int32_t deviceId, const std::map<int32_t, int32_t>& keyRemapping) const;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000133 void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition);
134
135 void addSensorAxis(int32_t deviceId, int32_t absCode, InputDeviceSensorType sensorType,
136 int32_t sensorDataIndex);
137
138 void setMscEvent(int32_t deviceId, int32_t mscEvent);
139
140 void addLed(int32_t deviceId, int32_t led, bool initialState);
141 void addRawLightInfo(int32_t rawId, RawLightInfo&& info);
142 void fakeLightBrightness(int32_t rawId, int32_t brightness);
143 void fakeLightIntensities(int32_t rawId,
144 const std::unordered_map<LightColor, int32_t> intensities);
145 bool getLedState(int32_t deviceId, int32_t led);
146
147 std::vector<std::string>& getExcludedDevices();
148
149 void setVideoFrames(
150 std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> videoFrames);
151
152 void enqueueEvent(nsecs_t when, nsecs_t readTime, int32_t deviceId, int32_t type, int32_t code,
153 int32_t value);
154 void assertQueueIsEmpty();
Vaibhav Devmurari5fc7d852023-03-17 18:43:33 +0000155 void setSysfsRootPath(int32_t deviceId, std::string sysfsRootPath) const;
Arpit Singh4b4a4572023-11-24 18:19:56 +0000156 // Populate fake slot values to be returned by the getter, size of the values should be equal to
157 // the slot count
158 void setMtSlotValues(int32_t deviceId, int32_t axis, const std::vector<int32_t>& values);
159 base::Result<std::vector<int32_t>> getMtSlotValues(int32_t deviceId, int32_t axis,
160 size_t slotCount) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000161
162private:
163 Device* getDevice(int32_t deviceId) const;
164
165 ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override;
166 InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override;
167 int32_t getDeviceControllerNumber(int32_t) const override;
Harry Cuttsc34f7582023-03-07 16:23:30 +0000168 std::optional<PropertyMap> getConfiguration(int32_t deviceId) const override;
Harry Cutts207674d2024-06-06 18:53:41 +0000169 std::optional<RawAbsoluteAxisInfo> getAbsoluteAxisInfo(int32_t deviceId,
170 int axis) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000171 bool hasRelativeAxis(int32_t deviceId, int axis) const override;
172 bool hasInputProperty(int32_t, int) const override;
173 bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
174 status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
175 int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override;
176 const KeyInfo* getKey(Device* device, int32_t scanCode, int32_t usageCode) const;
177
178 status_t mapAxis(int32_t, int32_t, AxisInfo*) const override;
179 base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
180 int32_t deviceId, int32_t absCode) const override;
181 void setExcludedDevices(const std::vector<std::string>& devices) override;
182 std::vector<RawEvent> getEvents(int) override;
183 std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override;
184 int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override;
Vaibhav Devmurari7fb41132023-01-02 13:30:26 +0000185 std::optional<RawLayoutInfo> getRawLayoutInfo(int32_t deviceId) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000186 int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override;
187 int32_t getSwitchState(int32_t deviceId, int32_t sw) const override;
Harry Cuttse2c5e202024-06-21 17:08:48 +0000188 std::optional<int32_t> getAbsoluteAxisValue(int32_t deviceId, int32_t axis) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000189 int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override;
190
191 // Return true if the device has non-empty key layout.
192 bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
193 uint8_t* outFlags) const override;
194 bool hasScanCode(int32_t deviceId, int32_t scanCode) const override;
195 bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override;
196 bool hasLed(int32_t deviceId, int32_t led) const override;
197 void setLedState(int32_t deviceId, int32_t led, bool on) override;
198 void getVirtualKeyDefinitions(int32_t deviceId,
199 std::vector<VirtualKeyDefinition>& outVirtualKeys) const override;
200 const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t) const override;
201 bool setKeyboardLayoutOverlay(int32_t, std::shared_ptr<KeyCharacterMap>) override;
202
203 void vibrate(int32_t, const VibrationElement&) override {}
204 void cancelVibrate(int32_t) override {}
205 std::vector<int32_t> getVibratorIds(int32_t deviceId) const override;
206
207 std::optional<int32_t> getBatteryCapacity(int32_t, int32_t) const override;
208 std::optional<int32_t> getBatteryStatus(int32_t, int32_t) const override;
209 std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override;
210 std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
211 int32_t batteryId) const override;
212
213 std::vector<int32_t> getRawLightIds(int32_t deviceId) const override;
214 std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override;
215 void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override;
216 void setLightIntensities(int32_t deviceId, int32_t lightId,
217 std::unordered_map<LightColor, int32_t> intensities) override;
218 std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override;
219 std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
220 int32_t deviceId, int32_t lightId) const override;
Vaibhav Devmurari5fc7d852023-03-17 18:43:33 +0000221 void sysfsNodeChanged(const std::string& sysfsNodePath) override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000222 void dump(std::string&) const override {}
223 void monitor() const override {}
224 void requestReopenDevices() override {}
225 void wake() override {}
226};
227
228} // namespace android