| /* |
| * Copyright (C) 2011 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 <array> |
| #include <math.h> |
| |
| #include <android-base/properties.h> |
| #include <attestation/HmacKeyManager.h> |
| #include <binder/Parcel.h> |
| #include <gtest/gtest.h> |
| #include <gui/constants.h> |
| #include <input/Input.h> |
| |
| namespace android { |
| |
| // Default display id. |
| static constexpr int32_t DISPLAY_ID = ADISPLAY_ID_DEFAULT; |
| |
| static constexpr float EPSILON = MotionEvent::ROUNDING_PRECISION; |
| |
| class BaseTest : public testing::Test { |
| protected: |
| static constexpr std::array<uint8_t, 32> HMAC = {0, 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}; |
| }; |
| |
| // --- PointerCoordsTest --- |
| |
| class PointerCoordsTest : public BaseTest { |
| }; |
| |
| TEST_F(PointerCoordsTest, ClearSetsBitsToZero) { |
| PointerCoords coords; |
| coords.clear(); |
| |
| ASSERT_EQ(0ULL, coords.bits); |
| ASSERT_FALSE(coords.isResampled); |
| } |
| |
| TEST_F(PointerCoordsTest, AxisValues) { |
| PointerCoords coords; |
| coords.clear(); |
| |
| // Check invariants when no axes are present. |
| ASSERT_EQ(0, coords.getAxisValue(0)) |
| << "getAxisValue should return zero because axis is not present"; |
| ASSERT_EQ(0, coords.getAxisValue(1)) |
| << "getAxisValue should return zero because axis is not present"; |
| |
| // Set first axis. |
| ASSERT_EQ(OK, coords.setAxisValue(1, 5)); |
| ASSERT_EQ(5, coords.values[0]); |
| ASSERT_EQ(0x4000000000000000ULL, coords.bits); |
| |
| ASSERT_EQ(0, coords.getAxisValue(0)) |
| << "getAxisValue should return zero because axis is not present"; |
| ASSERT_EQ(5, coords.getAxisValue(1)) |
| << "getAxisValue should return value of axis"; |
| |
| // Set an axis with a higher id than all others. (appending value at the end) |
| ASSERT_EQ(OK, coords.setAxisValue(3, 2)); |
| ASSERT_EQ(0x5000000000000000ULL, coords.bits); |
| ASSERT_EQ(5, coords.values[0]); |
| ASSERT_EQ(2, coords.values[1]); |
| |
| ASSERT_EQ(0, coords.getAxisValue(0)) |
| << "getAxisValue should return zero because axis is not present"; |
| ASSERT_EQ(5, coords.getAxisValue(1)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(0, coords.getAxisValue(2)) |
| << "getAxisValue should return zero because axis is not present"; |
| ASSERT_EQ(2, coords.getAxisValue(3)) |
| << "getAxisValue should return value of axis"; |
| |
| // Set an axis with an id lower than all others. (prepending value at beginning) |
| ASSERT_EQ(OK, coords.setAxisValue(0, 4)); |
| ASSERT_EQ(0xd000000000000000ULL, coords.bits); |
| ASSERT_EQ(4, coords.values[0]); |
| ASSERT_EQ(5, coords.values[1]); |
| ASSERT_EQ(2, coords.values[2]); |
| |
| ASSERT_EQ(4, coords.getAxisValue(0)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(5, coords.getAxisValue(1)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(0, coords.getAxisValue(2)) |
| << "getAxisValue should return zero because axis is not present"; |
| ASSERT_EQ(2, coords.getAxisValue(3)) |
| << "getAxisValue should return value of axis"; |
| |
| // Set an axis with an id between the others. (inserting value in the middle) |
| ASSERT_EQ(OK, coords.setAxisValue(2, 1)); |
| ASSERT_EQ(0xf000000000000000ULL, coords.bits); |
| ASSERT_EQ(4, coords.values[0]); |
| ASSERT_EQ(5, coords.values[1]); |
| ASSERT_EQ(1, coords.values[2]); |
| ASSERT_EQ(2, coords.values[3]); |
| |
| ASSERT_EQ(4, coords.getAxisValue(0)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(5, coords.getAxisValue(1)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(1, coords.getAxisValue(2)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(2, coords.getAxisValue(3)) |
| << "getAxisValue should return value of axis"; |
| |
| // Set an existing axis value in place. |
| ASSERT_EQ(OK, coords.setAxisValue(1, 6)); |
| ASSERT_EQ(0xf000000000000000ULL, coords.bits); |
| ASSERT_EQ(4, coords.values[0]); |
| ASSERT_EQ(6, coords.values[1]); |
| ASSERT_EQ(1, coords.values[2]); |
| ASSERT_EQ(2, coords.values[3]); |
| |
| ASSERT_EQ(4, coords.getAxisValue(0)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(6, coords.getAxisValue(1)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(1, coords.getAxisValue(2)) |
| << "getAxisValue should return value of axis"; |
| ASSERT_EQ(2, coords.getAxisValue(3)) |
| << "getAxisValue should return value of axis"; |
| |
| // Set maximum number of axes. |
| for (size_t axis = 4; axis < PointerCoords::MAX_AXES; axis++) { |
| ASSERT_EQ(OK, coords.setAxisValue(axis, axis)); |
| } |
| ASSERT_EQ(PointerCoords::MAX_AXES, __builtin_popcountll(coords.bits)); |
| |
| // Try to set one more axis beyond maximum number. |
| // Ensure bits are unchanged. |
| ASSERT_EQ(NO_MEMORY, coords.setAxisValue(PointerCoords::MAX_AXES, 100)); |
| ASSERT_EQ(PointerCoords::MAX_AXES, __builtin_popcountll(coords.bits)); |
| } |
| |
| TEST_F(PointerCoordsTest, Parcel) { |
| Parcel parcel; |
| |
| PointerCoords inCoords; |
| inCoords.clear(); |
| PointerCoords outCoords; |
| |
| // Round trip with empty coords. |
| inCoords.writeToParcel(&parcel); |
| parcel.setDataPosition(0); |
| outCoords.readFromParcel(&parcel); |
| |
| ASSERT_EQ(0ULL, outCoords.bits); |
| ASSERT_FALSE(outCoords.isResampled); |
| |
| // Round trip with some values. |
| parcel.freeData(); |
| inCoords.setAxisValue(2, 5); |
| inCoords.setAxisValue(5, 8); |
| inCoords.isResampled = true; |
| |
| inCoords.writeToParcel(&parcel); |
| parcel.setDataPosition(0); |
| outCoords.readFromParcel(&parcel); |
| |
| ASSERT_EQ(outCoords.bits, inCoords.bits); |
| ASSERT_EQ(outCoords.values[0], inCoords.values[0]); |
| ASSERT_EQ(outCoords.values[1], inCoords.values[1]); |
| ASSERT_TRUE(outCoords.isResampled); |
| } |
| |
| |
| // --- KeyEventTest --- |
| |
| class KeyEventTest : public BaseTest { |
| }; |
| |
| TEST_F(KeyEventTest, Properties) { |
| KeyEvent event; |
| |
| // Initialize and get properties. |
| constexpr nsecs_t ARBITRARY_DOWN_TIME = 1; |
| constexpr nsecs_t ARBITRARY_EVENT_TIME = 2; |
| const int32_t id = InputEvent::nextId(); |
| event.initialize(id, 2, AINPUT_SOURCE_GAMEPAD, DISPLAY_ID, HMAC, AKEY_EVENT_ACTION_DOWN, |
| AKEY_EVENT_FLAG_FROM_SYSTEM, AKEYCODE_BUTTON_X, 121, AMETA_ALT_ON, 1, |
| ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME); |
| |
| ASSERT_EQ(id, event.getId()); |
| ASSERT_EQ(InputEventType::KEY, event.getType()); |
| ASSERT_EQ(2, event.getDeviceId()); |
| ASSERT_EQ(AINPUT_SOURCE_GAMEPAD, event.getSource()); |
| ASSERT_EQ(DISPLAY_ID, event.getDisplayId()); |
| EXPECT_EQ(HMAC, event.getHmac()); |
| ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, event.getAction()); |
| ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, event.getFlags()); |
| ASSERT_EQ(AKEYCODE_BUTTON_X, event.getKeyCode()); |
| ASSERT_EQ(121, event.getScanCode()); |
| ASSERT_EQ(AMETA_ALT_ON, event.getMetaState()); |
| ASSERT_EQ(1, event.getRepeatCount()); |
| ASSERT_EQ(ARBITRARY_DOWN_TIME, event.getDownTime()); |
| ASSERT_EQ(ARBITRARY_EVENT_TIME, event.getEventTime()); |
| |
| // Set source. |
| event.setSource(AINPUT_SOURCE_JOYSTICK); |
| ASSERT_EQ(AINPUT_SOURCE_JOYSTICK, event.getSource()); |
| |
| // Set display id. |
| constexpr int32_t newDisplayId = 2; |
| event.setDisplayId(newDisplayId); |
| ASSERT_EQ(newDisplayId, event.getDisplayId()); |
| } |
| |
| |
| // --- MotionEventTest --- |
| |
| class MotionEventTest : public BaseTest { |
| protected: |
| static constexpr nsecs_t ARBITRARY_DOWN_TIME = 1; |
| static constexpr nsecs_t ARBITRARY_EVENT_TIME = 2; |
| static constexpr float X_SCALE = 2.0; |
| static constexpr float Y_SCALE = 3.0; |
| static constexpr float X_OFFSET = 1; |
| static constexpr float Y_OFFSET = 1.1; |
| static constexpr float RAW_X_SCALE = 4.0; |
| static constexpr float RAW_Y_SCALE = -5.0; |
| static constexpr float RAW_X_OFFSET = 12; |
| static constexpr float RAW_Y_OFFSET = -41.1; |
| |
| void SetUp() override; |
| |
| int32_t mId; |
| ui::Transform mTransform; |
| ui::Transform mRawTransform; |
| PointerProperties mPointerProperties[2]; |
| struct Sample { |
| PointerCoords pointerCoords[2]; |
| }; |
| std::array<Sample, 3> mSamples{}; |
| |
| void initializeEventWithHistory(MotionEvent* event); |
| void assertEqualsEventWithHistory(const MotionEvent* event); |
| }; |
| |
| void MotionEventTest::SetUp() { |
| mId = InputEvent::nextId(); |
| mTransform.set({X_SCALE, 0, X_OFFSET, 0, Y_SCALE, Y_OFFSET, 0, 0, 1}); |
| mRawTransform.set({RAW_X_SCALE, 0, RAW_X_OFFSET, 0, RAW_Y_SCALE, RAW_Y_OFFSET, 0, 0, 1}); |
| |
| mPointerProperties[0].clear(); |
| mPointerProperties[0].id = 1; |
| mPointerProperties[0].toolType = ToolType::FINGER; |
| mPointerProperties[1].clear(); |
| mPointerProperties[1].id = 2; |
| mPointerProperties[1].toolType = ToolType::STYLUS; |
| |
| mSamples[0].pointerCoords[0].clear(); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 10); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 11); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 12); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 13); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 14); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 15); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17); |
| mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18); |
| mSamples[0].pointerCoords[0].isResampled = true; |
| mSamples[0].pointerCoords[1].clear(); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 22); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 23); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 24); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 25); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 26); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 27); |
| mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 28); |
| |
| mSamples[1].pointerCoords[0].clear(); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 113); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 114); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 115); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117); |
| mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118); |
| mSamples[1].pointerCoords[0].isResampled = true; |
| mSamples[1].pointerCoords[1].clear(); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 123); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 124); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 125); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127); |
| mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128); |
| mSamples[1].pointerCoords[1].isResampled = true; |
| |
| mSamples[2].pointerCoords[0].clear(); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 213); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 214); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 215); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217); |
| mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218); |
| mSamples[2].pointerCoords[1].clear(); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 223); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 224); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 225); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 226); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 227); |
| mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 228); |
| } |
| |
| void MotionEventTest::initializeEventWithHistory(MotionEvent* event) { |
| event->initialize(mId, 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC, |
| AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED, |
| AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY, |
| MotionClassification::NONE, mTransform, 2.0f, 2.1f, |
| AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION, |
| mRawTransform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2, |
| mPointerProperties, mSamples[0].pointerCoords); |
| event->addSample(ARBITRARY_EVENT_TIME + 1, mSamples[1].pointerCoords); |
| event->addSample(ARBITRARY_EVENT_TIME + 2, mSamples[2].pointerCoords); |
| } |
| |
| void MotionEventTest::assertEqualsEventWithHistory(const MotionEvent* event) { |
| // Check properties. |
| ASSERT_EQ(mId, event->getId()); |
| ASSERT_EQ(InputEventType::MOTION, event->getType()); |
| ASSERT_EQ(2, event->getDeviceId()); |
| ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, event->getSource()); |
| ASSERT_EQ(DISPLAY_ID, event->getDisplayId()); |
| EXPECT_EQ(HMAC, event->getHmac()); |
| ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, event->getAction()); |
| ASSERT_EQ(AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED, event->getFlags()); |
| ASSERT_EQ(AMOTION_EVENT_EDGE_FLAG_TOP, event->getEdgeFlags()); |
| ASSERT_EQ(AMETA_ALT_ON, event->getMetaState()); |
| ASSERT_EQ(AMOTION_EVENT_BUTTON_PRIMARY, event->getButtonState()); |
| ASSERT_EQ(MotionClassification::NONE, event->getClassification()); |
| EXPECT_EQ(mTransform, event->getTransform()); |
| ASSERT_EQ(X_OFFSET, event->getXOffset()); |
| ASSERT_EQ(Y_OFFSET, event->getYOffset()); |
| ASSERT_EQ(2.0f, event->getXPrecision()); |
| ASSERT_EQ(2.1f, event->getYPrecision()); |
| ASSERT_EQ(ARBITRARY_DOWN_TIME, event->getDownTime()); |
| |
| ASSERT_EQ(2U, event->getPointerCount()); |
| ASSERT_EQ(1, event->getPointerId(0)); |
| ASSERT_EQ(ToolType::FINGER, event->getToolType(0)); |
| ASSERT_EQ(2, event->getPointerId(1)); |
| ASSERT_EQ(ToolType::STYLUS, event->getToolType(1)); |
| |
| ASSERT_EQ(2U, event->getHistorySize()); |
| |
| // Check data. |
| ASSERT_EQ(ARBITRARY_EVENT_TIME, event->getHistoricalEventTime(0)); |
| ASSERT_EQ(ARBITRARY_EVENT_TIME + 1, event->getHistoricalEventTime(1)); |
| ASSERT_EQ(ARBITRARY_EVENT_TIME + 2, event->getEventTime()); |
| |
| // Ensure the underlying PointerCoords are identical. |
| for (int sampleIdx = 0; sampleIdx < 3; sampleIdx++) { |
| for (int pointerIdx = 0; pointerIdx < 2; pointerIdx++) { |
| ASSERT_EQ(mSamples[sampleIdx].pointerCoords[pointerIdx], |
| event->getSamplePointerCoords()[sampleIdx * 2 + pointerIdx]); |
| } |
| } |
| |
| ASSERT_NEAR(11, event->getHistoricalRawPointerCoords(0, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y), |
| EPSILON); |
| ASSERT_NEAR(21, event->getHistoricalRawPointerCoords(1, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y), |
| EPSILON); |
| ASSERT_NEAR(111, event->getHistoricalRawPointerCoords(0, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y), |
| EPSILON); |
| ASSERT_NEAR(121, event->getHistoricalRawPointerCoords(1, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y), |
| EPSILON); |
| ASSERT_NEAR(211, event->getRawPointerCoords(0)->getAxisValue(AMOTION_EVENT_AXIS_Y), EPSILON); |
| ASSERT_NEAR(221, event->getRawPointerCoords(1)->getAxisValue(AMOTION_EVENT_AXIS_Y), EPSILON); |
| |
| ASSERT_NEAR(RAW_Y_OFFSET + 11 * RAW_Y_SCALE, |
| event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 0), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 21 * RAW_Y_SCALE, |
| event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 0), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 111 * RAW_Y_SCALE, |
| event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 1), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 121 * RAW_Y_SCALE, |
| event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 1), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 0), |
| EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 1), |
| EPSILON); |
| |
| ASSERT_NEAR(RAW_X_OFFSET + 10 * RAW_X_SCALE, event->getHistoricalRawX(0, 0), EPSILON); |
| ASSERT_NEAR(RAW_X_OFFSET + 20 * RAW_X_SCALE, event->getHistoricalRawX(1, 0), EPSILON); |
| ASSERT_NEAR(RAW_X_OFFSET + 110 * RAW_X_SCALE, event->getHistoricalRawX(0, 1), EPSILON); |
| ASSERT_NEAR(RAW_X_OFFSET + 120 * RAW_X_SCALE, event->getHistoricalRawX(1, 1), EPSILON); |
| ASSERT_NEAR(RAW_X_OFFSET + 210 * RAW_X_SCALE, event->getRawX(0), EPSILON); |
| ASSERT_NEAR(RAW_X_OFFSET + 220 * RAW_X_SCALE, event->getRawX(1), EPSILON); |
| |
| ASSERT_NEAR(RAW_Y_OFFSET + 11 * RAW_Y_SCALE, event->getHistoricalRawY(0, 0), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 21 * RAW_Y_SCALE, event->getHistoricalRawY(1, 0), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 111 * RAW_Y_SCALE, event->getHistoricalRawY(0, 1), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 121 * RAW_Y_SCALE, event->getHistoricalRawY(1, 1), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawY(0), EPSILON); |
| ASSERT_NEAR(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawY(1), EPSILON); |
| |
| ASSERT_NEAR(X_OFFSET + 10 * X_SCALE, event->getHistoricalX(0, 0), EPSILON); |
| ASSERT_NEAR(X_OFFSET + 20 * X_SCALE, event->getHistoricalX(1, 0), EPSILON); |
| ASSERT_NEAR(X_OFFSET + 110 * X_SCALE, event->getHistoricalX(0, 1), EPSILON); |
| ASSERT_NEAR(X_OFFSET + 120 * X_SCALE, event->getHistoricalX(1, 1), EPSILON); |
| ASSERT_NEAR(X_OFFSET + 210 * X_SCALE, event->getX(0), EPSILON); |
| ASSERT_NEAR(X_OFFSET + 220 * X_SCALE, event->getX(1), EPSILON); |
| |
| ASSERT_NEAR(Y_OFFSET + 11 * Y_SCALE, event->getHistoricalY(0, 0), EPSILON); |
| ASSERT_NEAR(Y_OFFSET + 21 * Y_SCALE, event->getHistoricalY(1, 0), EPSILON); |
| ASSERT_NEAR(Y_OFFSET + 111 * Y_SCALE, event->getHistoricalY(0, 1), EPSILON); |
| ASSERT_NEAR(Y_OFFSET + 121 * Y_SCALE, event->getHistoricalY(1, 1), EPSILON); |
| ASSERT_NEAR(Y_OFFSET + 211 * Y_SCALE, event->getY(0), EPSILON); |
| ASSERT_NEAR(Y_OFFSET + 221 * Y_SCALE, event->getY(1), EPSILON); |
| |
| ASSERT_EQ(12, event->getHistoricalPressure(0, 0)); |
| ASSERT_EQ(22, event->getHistoricalPressure(1, 0)); |
| ASSERT_EQ(112, event->getHistoricalPressure(0, 1)); |
| ASSERT_EQ(122, event->getHistoricalPressure(1, 1)); |
| ASSERT_EQ(212, event->getPressure(0)); |
| ASSERT_EQ(222, event->getPressure(1)); |
| |
| ASSERT_EQ(13, event->getHistoricalSize(0, 0)); |
| ASSERT_EQ(23, event->getHistoricalSize(1, 0)); |
| ASSERT_EQ(113, event->getHistoricalSize(0, 1)); |
| ASSERT_EQ(123, event->getHistoricalSize(1, 1)); |
| ASSERT_EQ(213, event->getSize(0)); |
| ASSERT_EQ(223, event->getSize(1)); |
| |
| ASSERT_EQ(14, event->getHistoricalTouchMajor(0, 0)); |
| ASSERT_EQ(24, event->getHistoricalTouchMajor(1, 0)); |
| ASSERT_EQ(114, event->getHistoricalTouchMajor(0, 1)); |
| ASSERT_EQ(124, event->getHistoricalTouchMajor(1, 1)); |
| ASSERT_EQ(214, event->getTouchMajor(0)); |
| ASSERT_EQ(224, event->getTouchMajor(1)); |
| |
| ASSERT_EQ(15, event->getHistoricalTouchMinor(0, 0)); |
| ASSERT_EQ(25, event->getHistoricalTouchMinor(1, 0)); |
| ASSERT_EQ(115, event->getHistoricalTouchMinor(0, 1)); |
| ASSERT_EQ(125, event->getHistoricalTouchMinor(1, 1)); |
| ASSERT_EQ(215, event->getTouchMinor(0)); |
| ASSERT_EQ(225, event->getTouchMinor(1)); |
| |
| ASSERT_EQ(16, event->getHistoricalToolMajor(0, 0)); |
| ASSERT_EQ(26, event->getHistoricalToolMajor(1, 0)); |
| ASSERT_EQ(116, event->getHistoricalToolMajor(0, 1)); |
| ASSERT_EQ(126, event->getHistoricalToolMajor(1, 1)); |
| ASSERT_EQ(216, event->getToolMajor(0)); |
| ASSERT_EQ(226, event->getToolMajor(1)); |
| |
| ASSERT_EQ(17, event->getHistoricalToolMinor(0, 0)); |
| ASSERT_EQ(27, event->getHistoricalToolMinor(1, 0)); |
| ASSERT_EQ(117, event->getHistoricalToolMinor(0, 1)); |
| ASSERT_EQ(127, event->getHistoricalToolMinor(1, 1)); |
| ASSERT_EQ(217, event->getToolMinor(0)); |
| ASSERT_EQ(227, event->getToolMinor(1)); |
| |
| // Calculate the orientation after scaling, keeping in mind that an orientation of 0 is "up", |
| // and the positive y direction is "down". |
| auto toScaledOrientation = [](float angle) { |
| const float x = sinf(angle) * X_SCALE; |
| const float y = -cosf(angle) * Y_SCALE; |
| return atan2f(x, -y); |
| }; |
| ASSERT_EQ(toScaledOrientation(18), event->getHistoricalOrientation(0, 0)); |
| ASSERT_EQ(toScaledOrientation(28), event->getHistoricalOrientation(1, 0)); |
| ASSERT_EQ(toScaledOrientation(118), event->getHistoricalOrientation(0, 1)); |
| ASSERT_EQ(toScaledOrientation(128), event->getHistoricalOrientation(1, 1)); |
| ASSERT_EQ(toScaledOrientation(218), event->getOrientation(0)); |
| ASSERT_EQ(toScaledOrientation(228), event->getOrientation(1)); |
| |
| ASSERT_TRUE(event->isResampled(0, 0)); |
| ASSERT_FALSE(event->isResampled(1, 0)); |
| ASSERT_TRUE(event->isResampled(0, 1)); |
| ASSERT_TRUE(event->isResampled(1, 1)); |
| ASSERT_FALSE(event->isResampled(0, 2)); |
| ASSERT_FALSE(event->isResampled(1, 2)); |
| } |
| |
| TEST_F(MotionEventTest, Properties) { |
| MotionEvent event; |
| |
| // Initialize, add samples and check properties. |
| initializeEventWithHistory(&event); |
| ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&event)); |
| |
| // Set source. |
| event.setSource(AINPUT_SOURCE_JOYSTICK); |
| ASSERT_EQ(AINPUT_SOURCE_JOYSTICK, event.getSource()); |
| |
| // Set displayId. |
| constexpr int32_t newDisplayId = 2; |
| event.setDisplayId(newDisplayId); |
| ASSERT_EQ(newDisplayId, event.getDisplayId()); |
| |
| // Set action. |
| event.setAction(AMOTION_EVENT_ACTION_CANCEL); |
| ASSERT_EQ(AMOTION_EVENT_ACTION_CANCEL, event.getAction()); |
| |
| // Set meta state. |
| event.setMetaState(AMETA_CTRL_ON); |
| ASSERT_EQ(AMETA_CTRL_ON, event.getMetaState()); |
| } |
| |
| TEST_F(MotionEventTest, CopyFrom_KeepHistory) { |
| MotionEvent event; |
| initializeEventWithHistory(&event); |
| |
| MotionEvent copy; |
| copy.copyFrom(&event, /*keepHistory=*/true); |
| |
| ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&event)); |
| } |
| |
| TEST_F(MotionEventTest, CopyFrom_DoNotKeepHistory) { |
| MotionEvent event; |
| initializeEventWithHistory(&event); |
| |
| MotionEvent copy; |
| copy.copyFrom(&event, /*keepHistory=*/false); |
| |
| ASSERT_EQ(event.getPointerCount(), copy.getPointerCount()); |
| ASSERT_EQ(0U, copy.getHistorySize()); |
| |
| ASSERT_EQ(event.getPointerId(0), copy.getPointerId(0)); |
| ASSERT_EQ(event.getPointerId(1), copy.getPointerId(1)); |
| |
| ASSERT_EQ(event.getEventTime(), copy.getEventTime()); |
| |
| ASSERT_EQ(event.getX(0), copy.getX(0)); |
| } |
| |
| TEST_F(MotionEventTest, OffsetLocation) { |
| MotionEvent event; |
| initializeEventWithHistory(&event); |
| |
| event.offsetLocation(5.0f, -2.0f); |
| |
| ASSERT_EQ(X_OFFSET + 5.0f, event.getXOffset()); |
| ASSERT_EQ(Y_OFFSET - 2.0f, event.getYOffset()); |
| } |
| |
| TEST_F(MotionEventTest, Scale) { |
| MotionEvent event; |
| initializeEventWithHistory(&event); |
| const float unscaledOrientation = event.getOrientation(0); |
| |
| event.scale(2.0f); |
| |
| ASSERT_EQ(X_OFFSET * 2, event.getXOffset()); |
| ASSERT_EQ(Y_OFFSET * 2, event.getYOffset()); |
| |
| ASSERT_NEAR((RAW_X_OFFSET + 210 * RAW_X_SCALE) * 2, event.getRawX(0), EPSILON); |
| ASSERT_NEAR((RAW_Y_OFFSET + 211 * RAW_Y_SCALE) * 2, event.getRawY(0), EPSILON); |
| ASSERT_NEAR((X_OFFSET + 210 * X_SCALE) * 2, event.getX(0), EPSILON); |
| ASSERT_NEAR((Y_OFFSET + 211 * Y_SCALE) * 2, event.getY(0), EPSILON); |
| ASSERT_EQ(212, event.getPressure(0)); |
| ASSERT_EQ(213, event.getSize(0)); |
| ASSERT_EQ(214 * 2, event.getTouchMajor(0)); |
| ASSERT_EQ(215 * 2, event.getTouchMinor(0)); |
| ASSERT_EQ(216 * 2, event.getToolMajor(0)); |
| ASSERT_EQ(217 * 2, event.getToolMinor(0)); |
| ASSERT_EQ(unscaledOrientation, event.getOrientation(0)); |
| } |
| |
| TEST_F(MotionEventTest, Parcel) { |
| Parcel parcel; |
| |
| MotionEvent inEvent; |
| initializeEventWithHistory(&inEvent); |
| MotionEvent outEvent; |
| |
| // Round trip. |
| inEvent.writeToParcel(&parcel); |
| parcel.setDataPosition(0); |
| outEvent.readFromParcel(&parcel); |
| |
| ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&outEvent)); |
| } |
| |
| static void setRotationMatrix(std::array<float, 9>& matrix, float angle) { |
| float sin = sinf(angle); |
| float cos = cosf(angle); |
| matrix[0] = cos; |
| matrix[1] = -sin; |
| matrix[2] = 0; |
| matrix[3] = sin; |
| matrix[4] = cos; |
| matrix[5] = 0; |
| matrix[6] = 0; |
| matrix[7] = 0; |
| matrix[8] = 1.0f; |
| } |
| |
| TEST_F(MotionEventTest, Transform) { |
| // Generate some points on a circle. |
| // Each point 'i' is a point on a circle of radius ROTATION centered at (3,2) at an angle |
| // of ARC * i degrees clockwise relative to the Y axis. |
| // The geometrical representation is irrelevant to the test, it's just easy to generate |
| // and check rotation. We set the orientation to the same angle. |
| // Coordinate system: down is increasing Y, right is increasing X. |
| static constexpr float PI_180 = float(M_PI / 180); |
| static constexpr float RADIUS = 10; |
| static constexpr float ARC = 36; |
| static constexpr float ROTATION = ARC * 2; |
| |
| const size_t pointerCount = 11; |
| PointerProperties pointerProperties[pointerCount]; |
| PointerCoords pointerCoords[pointerCount]; |
| for (size_t i = 0; i < pointerCount; i++) { |
| float angle = float(i * ARC * PI_180); |
| pointerProperties[i].clear(); |
| pointerProperties[i].id = i; |
| pointerCoords[i].clear(); |
| pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, sinf(angle) * RADIUS + 3); |
| pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, -cosf(angle) * RADIUS + 2); |
| pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, angle); |
| } |
| MotionEvent event; |
| ui::Transform identityTransform; |
| event.initialize(InputEvent::nextId(), /*deviceId=*/0, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, |
| INVALID_HMAC, AMOTION_EVENT_ACTION_MOVE, /*actionButton=*/0, /*flags=*/0, |
| AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, /*buttonState=*/0, |
| MotionClassification::NONE, identityTransform, /*xPrecision=*/0, |
| /*yPrecision=*/0, /*xCursorPosition=*/3 + RADIUS, /*yCursorPosition=*/2, |
| identityTransform, /*downTime=*/0, /*eventTime=*/0, pointerCount, |
| pointerProperties, pointerCoords); |
| float originalRawX = 0 + 3; |
| float originalRawY = -RADIUS + 2; |
| |
| // Check original raw X and Y assumption. |
| ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001); |
| ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001); |
| |
| // Now translate the motion event so the circle's origin is at (0,0). |
| event.offsetLocation(-3, -2); |
| |
| // Offsetting the location should preserve the raw X and Y of the first point. |
| ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001); |
| ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001); |
| |
| // Apply a rotation about the origin by ROTATION degrees clockwise. |
| std::array<float, 9> matrix; |
| setRotationMatrix(matrix, ROTATION * PI_180); |
| event.transform(matrix); |
| |
| // Check the points. |
| for (size_t i = 0; i < pointerCount; i++) { |
| float angle = float((i * ARC + ROTATION) * PI_180); |
| ASSERT_NEAR(sinf(angle) * RADIUS, event.getX(i), 0.001); |
| ASSERT_NEAR(-cosf(angle) * RADIUS, event.getY(i), 0.001); |
| ASSERT_NEAR(tanf(angle), tanf(event.getOrientation(i)), 0.1); |
| } |
| |
| // Check cursor positions. The original cursor position is at (3 + RADIUS, 2), where the center |
| // of the circle is (3, 2), so the cursor position is to the right of the center of the circle. |
| // The choice of triangular functions in this test defines the angle of rotation clockwise |
| // relative to the y-axis. Therefore the cursor position's angle is 90 degrees. Here we swap the |
| // triangular function so that we don't have to add the 90 degrees. |
| ASSERT_NEAR(cosf(PI_180 * ROTATION) * RADIUS, event.getXCursorPosition(), 0.001); |
| ASSERT_NEAR(sinf(PI_180 * ROTATION) * RADIUS, event.getYCursorPosition(), 0.001); |
| |
| // Applying the transformation should preserve the raw X and Y of the first point. |
| ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001); |
| ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001); |
| } |
| |
| MotionEvent createMotionEvent(int32_t source, uint32_t action, float x, float y, float dx, float dy, |
| const ui::Transform& transform, const ui::Transform& rawTransform) { |
| std::vector<PointerProperties> pointerProperties; |
| pointerProperties.push_back(PointerProperties{/*id=*/0, ToolType::FINGER}); |
| std::vector<PointerCoords> pointerCoords; |
| pointerCoords.emplace_back().clear(); |
| pointerCoords.back().setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| pointerCoords.back().setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| pointerCoords.back().setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, dx); |
| pointerCoords.back().setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, dy); |
| nsecs_t eventTime = systemTime(SYSTEM_TIME_MONOTONIC); |
| MotionEvent event; |
| event.initialize(InputEvent::nextId(), /* deviceId */ 1, source, |
| /* displayId */ 0, INVALID_HMAC, action, |
| /* actionButton */ 0, /* flags */ 0, /* edgeFlags */ 0, AMETA_NONE, |
| /* buttonState */ 0, MotionClassification::NONE, transform, |
| /* xPrecision */ 0, /* yPrecision */ 0, AMOTION_EVENT_INVALID_CURSOR_POSITION, |
| AMOTION_EVENT_INVALID_CURSOR_POSITION, rawTransform, eventTime, eventTime, |
| pointerCoords.size(), pointerProperties.data(), pointerCoords.data()); |
| return event; |
| } |
| |
| MotionEvent createTouchDownEvent(float x, float y, float dx, float dy, |
| const ui::Transform& transform, |
| const ui::Transform& rawTransform) { |
| return createMotionEvent(AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, x, y, dx, dy, |
| transform, rawTransform); |
| } |
| |
| TEST_F(MotionEventTest, ApplyTransform) { |
| // Create a rotate-90 transform with an offset (like a window which isn't fullscreen). |
| ui::Transform identity; |
| ui::Transform transform(ui::Transform::ROT_90, 800, 400); |
| transform.set(transform.tx() + 20, transform.ty() + 40); |
| ui::Transform rawTransform(ui::Transform::ROT_90, 800, 400); |
| MotionEvent event = createTouchDownEvent(60, 100, 42, 96, transform, rawTransform); |
| ASSERT_EQ(700, event.getRawX(0)); |
| ASSERT_EQ(60, event.getRawY(0)); |
| ASSERT_NE(event.getRawX(0), event.getX(0)); |
| ASSERT_NE(event.getRawY(0), event.getY(0)); |
| // Relative values should be rotated but not translated. |
| ASSERT_EQ(-96, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0)); |
| ASSERT_EQ(42, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0)); |
| |
| MotionEvent changedEvent = createTouchDownEvent(60, 100, 42, 96, identity, identity); |
| const std::array<float, 9> rowMajor{transform[0][0], transform[1][0], transform[2][0], |
| transform[0][1], transform[1][1], transform[2][1], |
| transform[0][2], transform[1][2], transform[2][2]}; |
| changedEvent.applyTransform(rowMajor); |
| |
| // transformContent effectively rotates the raw coordinates, so those should now include |
| // both rotation AND offset. |
| ASSERT_EQ(720, changedEvent.getRawX(0)); |
| ASSERT_EQ(100, changedEvent.getRawY(0)); |
| // Relative values should be rotated but not translated. |
| ASSERT_EQ(-96, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0)); |
| ASSERT_EQ(42, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0)); |
| |
| // The transformed output should be the same then. |
| ASSERT_NEAR(event.getX(0), changedEvent.getX(0), 0.001); |
| ASSERT_NEAR(event.getY(0), changedEvent.getY(0), 0.001); |
| ASSERT_NEAR(event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0), |
| changedEvent.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0), 0.001); |
| ASSERT_NEAR(event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0), |
| changedEvent.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0), 0.001); |
| } |
| |
| TEST_F(MotionEventTest, JoystickAndTouchpadAreNotTransformed) { |
| constexpr static std::array kNonTransformedSources = |
| {std::pair(AINPUT_SOURCE_TOUCHPAD, AMOTION_EVENT_ACTION_DOWN), |
| std::pair(AINPUT_SOURCE_JOYSTICK, AMOTION_EVENT_ACTION_MOVE), |
| std::pair(AINPUT_SOURCE_MOUSE_RELATIVE, AMOTION_EVENT_ACTION_MOVE)}; |
| // Create a rotate-90 transform with an offset (like a window which isn't fullscreen). |
| ui::Transform transform(ui::Transform::ROT_90, 800, 400); |
| transform.set(transform.tx() + 20, transform.ty() + 40); |
| |
| for (const auto& [source, action] : kNonTransformedSources) { |
| const MotionEvent event = |
| createMotionEvent(source, action, 60, 100, 0, 0, transform, transform); |
| |
| // These events should not be transformed in any way. |
| ASSERT_EQ(60, event.getX(0)); |
| ASSERT_EQ(100, event.getY(0)); |
| ASSERT_EQ(event.getRawX(0), event.getX(0)); |
| ASSERT_EQ(event.getRawY(0), event.getY(0)); |
| } |
| } |
| |
| TEST_F(MotionEventTest, NonPointerSourcesAreNotTranslated) { |
| constexpr static std::array kNonPointerSources = {std::pair(AINPUT_SOURCE_TRACKBALL, |
| AMOTION_EVENT_ACTION_DOWN), |
| std::pair(AINPUT_SOURCE_TOUCH_NAVIGATION, |
| AMOTION_EVENT_ACTION_MOVE)}; |
| // Create a rotate-90 transform with an offset (like a window which isn't fullscreen). |
| ui::Transform transform(ui::Transform::ROT_90, 800, 400); |
| transform.set(transform.tx() + 20, transform.ty() + 40); |
| |
| for (const auto& [source, action] : kNonPointerSources) { |
| const MotionEvent event = |
| createMotionEvent(source, action, 60, 100, 42, 96, transform, transform); |
| |
| // Since this event comes from a non-pointer source, it should include rotation but not |
| // translation/offset. |
| ASSERT_EQ(-100, event.getX(0)); |
| ASSERT_EQ(60, event.getY(0)); |
| ASSERT_EQ(event.getRawX(0), event.getX(0)); |
| ASSERT_EQ(event.getRawY(0), event.getY(0)); |
| } |
| } |
| |
| TEST_F(MotionEventTest, AxesAreCorrectlyTransformed) { |
| const ui::Transform identity; |
| ui::Transform transform; |
| transform.set({1.1, -2.2, 3.3, -4.4, 5.5, -6.6, 0, 0, 1}); |
| ui::Transform rawTransform; |
| rawTransform.set({-6.6, 5.5, -4.4, 3.3, -2.2, 1.1, 0, 0, 1}); |
| auto transformWithoutTranslation = [](const ui::Transform& t, float x, float y) { |
| auto newPoint = t.transform(x, y); |
| auto newOrigin = t.transform(0, 0); |
| return newPoint - newOrigin; |
| }; |
| |
| const MotionEvent event = createTouchDownEvent(60, 100, 42, 96, transform, rawTransform); |
| |
| // The x and y axes should have the window transform applied. |
| const auto newPoint = transform.transform(60, 100); |
| ASSERT_NEAR(newPoint.x, event.getX(0), EPSILON); |
| ASSERT_NEAR(newPoint.y, event.getY(0), EPSILON); |
| |
| // The raw values should have the display transform applied. |
| const auto raw = rawTransform.transform(60, 100); |
| ASSERT_NEAR(raw.x, event.getRawX(0), EPSILON); |
| ASSERT_NEAR(raw.y, event.getRawY(0), EPSILON); |
| |
| // Relative values should have the window transform applied without any translation. |
| const auto rel = transformWithoutTranslation(transform, 42, 96); |
| ASSERT_NEAR(rel.x, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0), EPSILON); |
| ASSERT_NEAR(rel.y, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0), EPSILON); |
| } |
| |
| TEST_F(MotionEventTest, Initialize_SetsClassification) { |
| std::array<MotionClassification, 3> classifications = { |
| MotionClassification::NONE, |
| MotionClassification::AMBIGUOUS_GESTURE, |
| MotionClassification::DEEP_PRESS, |
| }; |
| |
| MotionEvent event; |
| constexpr size_t pointerCount = 1; |
| PointerProperties pointerProperties[pointerCount]; |
| PointerCoords pointerCoords[pointerCount]; |
| for (size_t i = 0; i < pointerCount; i++) { |
| pointerProperties[i].clear(); |
| pointerProperties[i].id = i; |
| pointerCoords[i].clear(); |
| } |
| |
| ui::Transform identityTransform; |
| for (MotionClassification classification : classifications) { |
| event.initialize(InputEvent::nextId(), /*deviceId=*/0, AINPUT_SOURCE_TOUCHSCREEN, |
| DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0, |
| AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, classification, |
| identityTransform, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION, |
| AMOTION_EVENT_INVALID_CURSOR_POSITION, identityTransform, /*downTime=*/0, |
| /*eventTime=*/0, pointerCount, pointerProperties, pointerCoords); |
| ASSERT_EQ(classification, event.getClassification()); |
| } |
| } |
| |
| TEST_F(MotionEventTest, Initialize_SetsCursorPosition) { |
| MotionEvent event; |
| constexpr size_t pointerCount = 1; |
| PointerProperties pointerProperties[pointerCount]; |
| PointerCoords pointerCoords[pointerCount]; |
| for (size_t i = 0; i < pointerCount; i++) { |
| pointerProperties[i].clear(); |
| pointerProperties[i].id = i; |
| pointerCoords[i].clear(); |
| } |
| |
| ui::Transform identityTransform; |
| event.initialize(InputEvent::nextId(), /*deviceId=*/0, AINPUT_SOURCE_MOUSE, DISPLAY_ID, |
| INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMOTION_EVENT_EDGE_FLAG_NONE, |
| AMETA_NONE, 0, MotionClassification::NONE, identityTransform, 0, 0, |
| /*xCursorPosition=*/280, /*yCursorPosition=*/540, identityTransform, |
| /*downTime=*/0, /*eventTime=*/0, pointerCount, pointerProperties, |
| pointerCoords); |
| event.offsetLocation(20, 60); |
| ASSERT_EQ(280, event.getRawXCursorPosition()); |
| ASSERT_EQ(540, event.getRawYCursorPosition()); |
| ASSERT_EQ(300, event.getXCursorPosition()); |
| ASSERT_EQ(600, event.getYCursorPosition()); |
| } |
| |
| TEST_F(MotionEventTest, SetCursorPosition) { |
| MotionEvent event; |
| initializeEventWithHistory(&event); |
| event.setSource(AINPUT_SOURCE_MOUSE); |
| |
| event.setCursorPosition(3, 4); |
| ASSERT_EQ(3, event.getXCursorPosition()); |
| ASSERT_EQ(4, event.getYCursorPosition()); |
| } |
| |
| TEST_F(MotionEventTest, CoordinatesAreRoundedAppropriately) { |
| // These are specifically integral values, since we are testing for rounding. |
| const vec2 EXPECTED{400.f, 700.f}; |
| |
| // Pick a transform such that transforming the point with its inverse and bringing that |
| // back to the original coordinate space results in a non-zero error amount due to the |
| // nature of floating point arithmetics. This can happen when the display is scaled. |
| // For example, the 'adb shell wm size' command can be used to set an override for the |
| // logical display size, which could result in the display being scaled. |
| constexpr float scale = 720.f / 1080.f; |
| ui::Transform transform; |
| transform.set(scale, 0, 0, scale); |
| ASSERT_NE(EXPECTED, transform.transform(transform.inverse().transform(EXPECTED))); |
| |
| // Store the inverse-transformed values in the motion event. |
| const vec2 rawCoords = transform.inverse().transform(EXPECTED); |
| PointerCoords pc{}; |
| pc.setAxisValue(AMOTION_EVENT_AXIS_X, rawCoords.x); |
| pc.setAxisValue(AMOTION_EVENT_AXIS_Y, rawCoords.y); |
| PointerProperties pp{}; |
| MotionEvent event; |
| event.initialize(InputEvent::nextId(), 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC, |
| AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED, |
| AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY, |
| MotionClassification::NONE, transform, 2.0f, 2.1f, rawCoords.x, rawCoords.y, |
| transform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 1, &pp, &pc); |
| |
| // When using the getters from the MotionEvent to obtain the coordinates, the transformed |
| // values should be rounded by an appropriate amount so that they now precisely equal the |
| // original coordinates. |
| ASSERT_EQ(EXPECTED.x, event.getX(0)); |
| ASSERT_EQ(EXPECTED.y, event.getY(0)); |
| ASSERT_EQ(EXPECTED.x, event.getRawX(0)); |
| ASSERT_EQ(EXPECTED.y, event.getRawY(0)); |
| ASSERT_EQ(EXPECTED.x, event.getXCursorPosition()); |
| ASSERT_EQ(EXPECTED.y, event.getYCursorPosition()); |
| } |
| |
| } // namespace android |