1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "TouchpadInputMapper.h"
#include <android-base/logging.h>
#include <gtest/gtest.h>
#include <input/AccelerationCurve.h>
#include <log/log.h>
#include <thread>
#include "InputMapperTest.h"
#include "InterfaceMocks.h"
#include "TestConstants.h"
#include "TestEventMatchers.h"
#define TAG "TouchpadInputMapper_test"
namespace android {
using testing::Return;
using testing::VariantWith;
constexpr auto ACTION_DOWN = AMOTION_EVENT_ACTION_DOWN;
constexpr auto ACTION_UP = AMOTION_EVENT_ACTION_UP;
constexpr auto BUTTON_PRESS = AMOTION_EVENT_ACTION_BUTTON_PRESS;
constexpr auto BUTTON_RELEASE = AMOTION_EVENT_ACTION_BUTTON_RELEASE;
constexpr auto HOVER_MOVE = AMOTION_EVENT_ACTION_HOVER_MOVE;
constexpr auto HOVER_ENTER = AMOTION_EVENT_ACTION_HOVER_ENTER;
constexpr auto HOVER_EXIT = AMOTION_EVENT_ACTION_HOVER_EXIT;
constexpr ui::LogicalDisplayId DISPLAY_ID = ui::LogicalDisplayId::DEFAULT;
constexpr int32_t DISPLAY_WIDTH = 480;
constexpr int32_t DISPLAY_HEIGHT = 800;
constexpr std::optional<uint8_t> NO_PORT = std::nullopt; // no physical port is specified
/**
* Unit tests for TouchpadInputMapper.
*/
class TouchpadInputMapperTest : public InputMapperUnitTest {
protected:
void SetUp() override {
InputMapperUnitTest::SetUp();
// Present scan codes: BTN_TOUCH and BTN_TOOL_FINGER
expectScanCodes(/*present=*/true,
{BTN_LEFT, BTN_RIGHT, BTN_TOOL_FINGER, BTN_TOOL_QUINTTAP, BTN_TOUCH,
BTN_TOOL_DOUBLETAP, BTN_TOOL_TRIPLETAP, BTN_TOOL_QUADTAP});
// Missing scan codes that the mapper checks for.
expectScanCodes(/*present=*/false,
{BTN_TOOL_PEN, BTN_TOOL_RUBBER, BTN_TOOL_BRUSH, BTN_TOOL_PENCIL,
BTN_TOOL_AIRBRUSH});
// Current scan code state - all keys are UP by default
setScanCodeState(KeyState::UP, {BTN_TOUCH, BTN_STYLUS,
BTN_STYLUS2, BTN_0,
BTN_TOOL_FINGER, BTN_TOOL_PEN,
BTN_TOOL_RUBBER, BTN_TOOL_BRUSH,
BTN_TOOL_PENCIL, BTN_TOOL_AIRBRUSH,
BTN_TOOL_MOUSE, BTN_TOOL_LENS,
BTN_TOOL_DOUBLETAP, BTN_TOOL_TRIPLETAP,
BTN_TOOL_QUADTAP, BTN_TOOL_QUINTTAP,
BTN_LEFT, BTN_RIGHT,
BTN_MIDDLE, BTN_BACK,
BTN_SIDE, BTN_FORWARD,
BTN_EXTRA, BTN_TASK});
setKeyCodeState(KeyState::UP,
{AKEYCODE_STYLUS_BUTTON_PRIMARY, AKEYCODE_STYLUS_BUTTON_SECONDARY});
// Key mappings
EXPECT_CALL(mMockEventHub,
mapKey(EVENTHUB_ID, BTN_LEFT, /*usageCode=*/0, /*metaState=*/0, testing::_,
testing::_, testing::_))
.WillRepeatedly(Return(NAME_NOT_FOUND));
// Input properties - only INPUT_PROP_BUTTONPAD
EXPECT_CALL(mMockEventHub, hasInputProperty(EVENTHUB_ID, INPUT_PROP_BUTTONPAD))
.WillRepeatedly(Return(true));
EXPECT_CALL(mMockEventHub, hasInputProperty(EVENTHUB_ID, INPUT_PROP_SEMI_MT))
.WillRepeatedly(Return(false));
// Axes that the device has
setupAxis(ABS_MT_SLOT, /*valid=*/true, /*min=*/0, /*max=*/4, /*resolution=*/0);
setupAxis(ABS_MT_POSITION_X, /*valid=*/true, /*min=*/0, /*max=*/2000, /*resolution=*/24);
setupAxis(ABS_MT_POSITION_Y, /*valid=*/true, /*min=*/0, /*max=*/1000, /*resolution=*/24);
setupAxis(ABS_MT_PRESSURE, /*valid=*/true, /*min*/ 0, /*max=*/255, /*resolution=*/0);
// Axes that the device does not have
setupAxis(ABS_MT_ORIENTATION, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_TOUCH_MAJOR, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_TOUCH_MINOR, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_WIDTH_MAJOR, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_WIDTH_MINOR, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_TRACKING_ID, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_DISTANCE, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
setupAxis(ABS_MT_TOOL_TYPE, /*valid=*/false, /*min=*/0, /*max=*/0, /*resolution=*/0);
EXPECT_CALL(mMockEventHub, getAbsoluteAxisValue(EVENTHUB_ID, ABS_MT_SLOT))
.WillRepeatedly(Return(0));
EXPECT_CALL(mMockEventHub, getMtSlotValues(EVENTHUB_ID, testing::_, testing::_))
.WillRepeatedly([]() -> base::Result<std::vector<int32_t>> {
return base::ResultError("Axis not supported", NAME_NOT_FOUND);
});
mMapper = createInputMapper<TouchpadInputMapper>(*mDeviceContext, mReaderConfiguration);
}
};
/**
* Start moving the finger and then click the left touchpad button. Check whether HOVER_EXIT is
* generated when hovering stops. Currently, it is not.
* In the current implementation, HOVER_MOVE and ACTION_DOWN events are not sent out right away,
* but only after the button is released.
*/
TEST_F(TouchpadInputMapperTest, HoverAndLeftButtonPress) {
mFakePolicy->setDefaultPointerDisplayId(DISPLAY_ID);
DisplayViewport viewport =
createViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
/*isActive=*/true, "local:0", NO_PORT, ViewportType::INTERNAL);
mFakePolicy->addDisplayViewport(viewport);
std::list<NotifyArgs> args;
args += mMapper->reconfigure(systemTime(SYSTEM_TIME_MONOTONIC), mReaderConfiguration,
InputReaderConfiguration::Change::DISPLAY_INFO);
ASSERT_THAT(args, testing::IsEmpty());
args += process(EV_ABS, ABS_MT_TRACKING_ID, 1);
args += process(EV_KEY, BTN_TOUCH, 1);
setScanCodeState(KeyState::DOWN, {BTN_TOOL_FINGER});
args += process(EV_KEY, BTN_TOOL_FINGER, 1);
args += process(EV_ABS, ABS_MT_POSITION_X, 50);
args += process(EV_ABS, ABS_MT_POSITION_Y, 50);
args += process(EV_ABS, ABS_MT_PRESSURE, 1);
args += process(EV_SYN, SYN_REPORT, 0);
ASSERT_THAT(args, testing::IsEmpty());
// Without this sleep, the test fails.
// TODO(b/284133337): Figure out whether this can be removed
std::this_thread::sleep_for(std::chrono::milliseconds(20));
args += process(EV_KEY, BTN_LEFT, 1);
setScanCodeState(KeyState::DOWN, {BTN_LEFT});
args += process(EV_SYN, SYN_REPORT, 0);
args += process(EV_KEY, BTN_LEFT, 0);
setScanCodeState(KeyState::UP, {BTN_LEFT});
args += process(EV_SYN, SYN_REPORT, 0);
ASSERT_THAT(args,
ElementsAre(VariantWith<NotifyMotionArgs>(WithMotionAction(HOVER_ENTER)),
VariantWith<NotifyMotionArgs>(WithMotionAction(HOVER_MOVE)),
VariantWith<NotifyMotionArgs>(WithMotionAction(HOVER_EXIT)),
VariantWith<NotifyMotionArgs>(WithMotionAction(ACTION_DOWN)),
VariantWith<NotifyMotionArgs>(WithMotionAction(BUTTON_PRESS)),
VariantWith<NotifyMotionArgs>(WithMotionAction(BUTTON_RELEASE)),
VariantWith<NotifyMotionArgs>(WithMotionAction(ACTION_UP)),
VariantWith<NotifyMotionArgs>(WithMotionAction(HOVER_ENTER))));
// Liftoff
args.clear();
args += process(EV_ABS, ABS_MT_PRESSURE, 0);
args += process(EV_ABS, ABS_MT_TRACKING_ID, -1);
args += process(EV_KEY, BTN_TOUCH, 0);
setScanCodeState(KeyState::UP, {BTN_TOOL_FINGER});
args += process(EV_KEY, BTN_TOOL_FINGER, 0);
args += process(EV_SYN, SYN_REPORT, 0);
ASSERT_THAT(args, testing::IsEmpty());
}
TEST_F(TouchpadInputMapperTest, TouchpadHardwareState) {
mReaderConfiguration.shouldNotifyTouchpadHardwareState = true;
std::list<NotifyArgs> args =
mMapper->reconfigure(ARBITRARY_TIME, mReaderConfiguration,
InputReaderConfiguration::Change::TOUCHPAD_SETTINGS);
args += process(EV_ABS, ABS_MT_TRACKING_ID, 1);
args += process(EV_KEY, BTN_TOUCH, 1);
setScanCodeState(KeyState::DOWN, {BTN_TOOL_FINGER});
args += process(EV_KEY, BTN_TOOL_FINGER, 1);
args += process(EV_ABS, ABS_MT_POSITION_X, 50);
args += process(EV_ABS, ABS_MT_POSITION_Y, 50);
args += process(EV_ABS, ABS_MT_PRESSURE, 1);
args += process(EV_SYN, SYN_REPORT, 0);
mFakePolicy->assertTouchpadHardwareStateNotified();
}
TEST_F(TouchpadInputMapperTest, TouchpadAccelerationDisabled) {
mReaderConfiguration.touchpadAccelerationEnabled = false;
mReaderConfiguration.touchpadPointerSpeed = 3;
std::list<NotifyArgs> args =
mMapper->reconfigure(ARBITRARY_TIME, mReaderConfiguration,
InputReaderConfiguration::Change::TOUCHPAD_SETTINGS);
auto* touchpadMapper = static_cast<TouchpadInputMapper*>(mMapper.get());
const auto accelCurvePropsDisabled =
touchpadMapper->getGesturePropertyForTesting("Pointer Accel Curve");
ASSERT_TRUE(accelCurvePropsDisabled.has_value());
std::vector<double> curveValuesDisabled = accelCurvePropsDisabled.value().getRealValues();
std::vector<AccelerationCurveSegment> curve =
createFlatAccelerationCurve(mReaderConfiguration.touchpadPointerSpeed);
double expectedBaseGain = curve[0].baseGain;
ASSERT_EQ(curveValuesDisabled[0], std::numeric_limits<double>::infinity());
ASSERT_EQ(curveValuesDisabled[1], 0);
ASSERT_NEAR(curveValuesDisabled[2], expectedBaseGain, EPSILON);
ASSERT_EQ(curveValuesDisabled[3], 0);
}
TEST_F(TouchpadInputMapperTest, TouchpadAccelerationEnabled) {
// Enable touchpad acceleration.
mReaderConfiguration.touchpadAccelerationEnabled = true;
mReaderConfiguration.touchpadPointerSpeed = 3;
std::list<NotifyArgs> args =
mMapper->reconfigure(ARBITRARY_TIME, mReaderConfiguration,
InputReaderConfiguration::Change::TOUCHPAD_SETTINGS);
ASSERT_THAT(args, testing::IsEmpty());
auto* touchpadMapper = static_cast<TouchpadInputMapper*>(mMapper.get());
// Get the acceleration curve properties when acceleration is enabled.
const auto accelCurvePropsEnabled =
touchpadMapper->getGesturePropertyForTesting("Pointer Accel Curve");
ASSERT_TRUE(accelCurvePropsEnabled.has_value());
// Get the curve values.
std::vector<double> curveValuesEnabled = accelCurvePropsEnabled.value().getRealValues();
// Use createAccelerationCurveForPointerSensitivity to get expected curve segments.
std::vector<AccelerationCurveSegment> expectedCurveSegments =
createAccelerationCurveForPointerSensitivity(mReaderConfiguration.touchpadPointerSpeed);
// Iterate through the segments and compare the values.
for (size_t i = 0; i < expectedCurveSegments.size(); ++i) {
// Check max speed.
if (std::isinf(expectedCurveSegments[i].maxPointerSpeedMmPerS)) {
ASSERT_TRUE(std::isinf(curveValuesEnabled[i * 4 + 0]));
} else {
ASSERT_NEAR(curveValuesEnabled[i * 4 + 0],
expectedCurveSegments[i].maxPointerSpeedMmPerS, EPSILON);
}
// Check that the x^2 term is zero.
ASSERT_NEAR(curveValuesEnabled[i * 4 + 1], 0, EPSILON);
ASSERT_NEAR(curveValuesEnabled[i * 4 + 2], expectedCurveSegments[i].baseGain, EPSILON);
ASSERT_NEAR(curveValuesEnabled[i * 4 + 3], expectedCurveSegments[i].reciprocal, EPSILON);
}
}
} // namespace android
|