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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;
Vaibhav Devmuraricbba14c2022-10-10 16:54:49 +000058 std::unordered_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;
Harry Cuttsa5b71292022-11-28 12:56:17 +000067
68 status_t enable() {
69 enabled = true;
70 return OK;
71 }
72
73 status_t disable() {
74 enabled = false;
75 return OK;
76 }
77
78 explicit Device(ftl::Flags<InputDeviceClass> classes) : classes(classes), enabled(true) {}
79 };
80
81 std::mutex mLock;
82 std::condition_variable mEventsCondition;
83
84 KeyedVector<int32_t, Device*> mDevices;
85 std::vector<std::string> mExcludedDevices;
86 std::vector<RawEvent> mEvents GUARDED_BY(mLock);
87 std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> mVideoFrames;
88 std::vector<int32_t> mVibrators = {0, 1};
89 std::unordered_map<int32_t, RawLightInfo> mRawLightInfos;
90 // Simulates a device light brightness, from light id to light brightness.
91 std::unordered_map<int32_t /* lightId */, int32_t /* brightness*/> mLightBrightness;
92 // Simulates a device light intensities, from light id to light intensities map.
93 std::unordered_map<int32_t /* lightId */, std::unordered_map<LightColor, int32_t>>
94 mLightIntensities;
95
96public:
97 static constexpr int32_t DEFAULT_BATTERY = 1;
98 static constexpr int32_t BATTERY_STATUS = 4;
99 static constexpr int32_t BATTERY_CAPACITY = 66;
100 static const std::string BATTERY_DEVPATH;
101
102 virtual ~FakeEventHub();
103 FakeEventHub() {}
104
105 void addDevice(int32_t deviceId, const std::string& name, ftl::Flags<InputDeviceClass> classes,
106 int bus = 0);
107 void removeDevice(int32_t deviceId);
108
109 bool isDeviceEnabled(int32_t deviceId) const override;
110 status_t enableDevice(int32_t deviceId) override;
111 status_t disableDevice(int32_t deviceId) override;
112
113 void finishDeviceScan();
114
115 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);
Vaibhav Devmuraricbba14c2022-10-10 16:54:49 +0000132 void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) 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();
155
156private:
157 Device* getDevice(int32_t deviceId) const;
158
159 ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override;
160 InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override;
161 int32_t getDeviceControllerNumber(int32_t) const override;
Harry Cuttsc34f7582023-03-07 16:23:30 +0000162 std::optional<PropertyMap> getConfiguration(int32_t deviceId) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000163 status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
164 RawAbsoluteAxisInfo* outAxisInfo) const override;
165 bool hasRelativeAxis(int32_t deviceId, int axis) const override;
166 bool hasInputProperty(int32_t, int) const override;
167 bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
168 status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
169 int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override;
170 const KeyInfo* getKey(Device* device, int32_t scanCode, int32_t usageCode) const;
171
172 status_t mapAxis(int32_t, int32_t, AxisInfo*) const override;
173 base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
174 int32_t deviceId, int32_t absCode) const override;
175 void setExcludedDevices(const std::vector<std::string>& devices) override;
176 std::vector<RawEvent> getEvents(int) override;
177 std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override;
178 int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override;
Vaibhav Devmurari7fb41132023-01-02 13:30:26 +0000179 std::optional<RawLayoutInfo> getRawLayoutInfo(int32_t deviceId) const override;
Harry Cuttsa5b71292022-11-28 12:56:17 +0000180 int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override;
181 int32_t getSwitchState(int32_t deviceId, int32_t sw) const override;
182 status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const override;
183 int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override;
184
185 // Return true if the device has non-empty key layout.
186 bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
187 uint8_t* outFlags) const override;
188 bool hasScanCode(int32_t deviceId, int32_t scanCode) const override;
189 bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override;
190 bool hasLed(int32_t deviceId, int32_t led) const override;
191 void setLedState(int32_t deviceId, int32_t led, bool on) override;
192 void getVirtualKeyDefinitions(int32_t deviceId,
193 std::vector<VirtualKeyDefinition>& outVirtualKeys) const override;
194 const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t) const override;
195 bool setKeyboardLayoutOverlay(int32_t, std::shared_ptr<KeyCharacterMap>) override;
196
197 void vibrate(int32_t, const VibrationElement&) override {}
198 void cancelVibrate(int32_t) override {}
199 std::vector<int32_t> getVibratorIds(int32_t deviceId) const override;
200
201 std::optional<int32_t> getBatteryCapacity(int32_t, int32_t) const override;
202 std::optional<int32_t> getBatteryStatus(int32_t, int32_t) const override;
203 std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override;
204 std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
205 int32_t batteryId) const override;
206
207 std::vector<int32_t> getRawLightIds(int32_t deviceId) const override;
208 std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override;
209 void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override;
210 void setLightIntensities(int32_t deviceId, int32_t lightId,
211 std::unordered_map<LightColor, int32_t> intensities) override;
212 std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override;
213 std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
214 int32_t deviceId, int32_t lightId) const override;
215
216 void dump(std::string&) const override {}
217 void monitor() const override {}
218 void requestReopenDevices() override {}
219 void wake() override {}
220};
221
222} // namespace android