| /* |
| * Copyright 2019 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. |
| */ |
| package androidx.ui.core.gesture |
| |
| import android.view.MotionEvent |
| import android.view.View |
| import android.view.ViewGroup |
| import androidx.test.filters.LargeTest |
| import androidx.test.rule.ActivityTestRule |
| import androidx.ui.core.DensityAmbient |
| import androidx.ui.core.Layout |
| import androidx.ui.core.setContent |
| import androidx.ui.framework.test.TestActivity |
| import androidx.ui.unit.IntPx |
| import com.nhaarman.mockitokotlin2.inOrder |
| import com.nhaarman.mockitokotlin2.spy |
| import com.nhaarman.mockitokotlin2.verifyNoMoreInteractions |
| import org.junit.Assert.assertTrue |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| |
| // TODO(shepshapard): Test that all events related to scaling are consumed. |
| |
| @LargeTest |
| @RunWith(JUnit4::class) |
| class ScaleGestureDetectorTest { |
| @get:Rule |
| val activityTestRule = ActivityTestRule<TestActivity>(TestActivity::class.java) |
| private lateinit var scaleObserver: ScaleObserver |
| private lateinit var touchSlop: IntPx |
| private lateinit var view: View |
| |
| @Before |
| fun setup() { |
| scaleObserver = spy(MyScaleObserver()) |
| |
| val activity = activityTestRule.activity |
| assertTrue(activity.hasFocusLatch.await(5, TimeUnit.SECONDS)) |
| |
| val setupLatch = CountDownLatch(2) |
| activityTestRule.runOnUiThreadIR { |
| activity.setContent { |
| touchSlop = with(DensityAmbient.current) { TouchSlop.toIntPx() } |
| ScaleGestureDetector(scaleObserver) { |
| Layout( |
| measureBlock = { _, _ -> |
| layout(touchSlop * 4, touchSlop * 4) { |
| setupLatch.countDown() |
| } |
| }, children = {} |
| ) |
| } |
| } |
| |
| view = activity.findViewById<ViewGroup>(android.R.id.content) |
| setupLatch.countDown() |
| } |
| assertTrue(setupLatch.await(1000, TimeUnit.SECONDS)) |
| } |
| |
| @Test |
| fun ui_pointerMovementWithinTouchSlop_noCallbacksCalled() { |
| |
| val touchSlopFloat = touchSlop.value.toFloat() |
| |
| val down1 = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(touchSlopFloat, 50f)) |
| ) |
| val down2 = MotionEvent( |
| 10, |
| MotionEvent.ACTION_POINTER_DOWN, |
| 2, |
| 1, |
| arrayOf(PointerProperties(0), PointerProperties(1)), |
| arrayOf( |
| PointerCoords(touchSlopFloat, 50f), |
| PointerCoords(touchSlopFloat * 3, 50f) |
| ) |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(touchSlopFloat * 0, 50f), |
| PointerCoords(touchSlopFloat * 4, 50f) |
| ) |
| ) |
| val up = MotionEvent( |
| 30, |
| MotionEvent.ACTION_POINTER_UP, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(touchSlopFloat * 0, 50f), |
| PointerCoords(touchSlopFloat * 4, 50f) |
| ) |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down1) |
| view.dispatchTouchEvent(down2) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(up) |
| } |
| |
| verifyNoMoreInteractions(scaleObserver) |
| } |
| |
| @Test |
| fun ui_pointerMovementBeyondTouchSlop_correctCallbacksInOrder() { |
| |
| val touchSlopFloat = touchSlop.value.toFloat() |
| |
| val down1 = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(touchSlopFloat, 50f)) |
| ) |
| val down2 = MotionEvent( |
| 10, |
| MotionEvent.ACTION_POINTER_DOWN, |
| 2, |
| 1, |
| arrayOf(PointerProperties(0), PointerProperties(1)), |
| arrayOf( |
| PointerCoords(touchSlopFloat, 50f), |
| PointerCoords(touchSlopFloat * 3, 50f) |
| ) |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(-touchSlopFloat * 2, 50f), |
| PointerCoords(touchSlopFloat * 6, 50f) |
| ) |
| ) |
| val up = MotionEvent( |
| 30, |
| MotionEvent.ACTION_POINTER_UP, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(-touchSlopFloat * 2, 50f), |
| PointerCoords(touchSlopFloat * 6, 50f) |
| ) |
| ) |
| val up2 = MotionEvent( |
| 30, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf( |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(touchSlopFloat * 6, 50f) |
| ) |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down1) |
| view.dispatchTouchEvent(down2) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(up) |
| view.dispatchTouchEvent(up2) |
| } |
| |
| scaleObserver.inOrder { |
| verify().onStart() |
| verify().onScale(4f) |
| verify().onStop() |
| } |
| } |
| |
| // Verify when onCancel should be called. |
| |
| @Test |
| fun ui_downMoveBeyondSlopCancel_correctCallbacksInOrder() { |
| |
| val touchSlopFloat = touchSlop.value.toFloat() |
| |
| val down1 = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(touchSlopFloat, 50f)) |
| ) |
| val down2 = MotionEvent( |
| 10, |
| MotionEvent.ACTION_POINTER_DOWN, |
| 2, |
| 1, |
| arrayOf(PointerProperties(0), PointerProperties(1)), |
| arrayOf( |
| PointerCoords(touchSlopFloat, 50f), |
| PointerCoords(touchSlopFloat * 3, 50f) |
| ) |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(-touchSlopFloat * 2, 50f), |
| PointerCoords(touchSlopFloat * 6, 50f) |
| ) |
| ) |
| val cancel = MotionEvent( |
| 30, |
| MotionEvent.ACTION_CANCEL, |
| 2, |
| 0, |
| arrayOf( |
| PointerProperties(0), |
| PointerProperties(1) |
| ), |
| arrayOf( |
| PointerCoords(-touchSlopFloat * 2, 50f), |
| PointerCoords(touchSlopFloat * 6, 50f) |
| ) |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down1) |
| view.dispatchTouchEvent(down2) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(cancel) |
| } |
| |
| scaleObserver.inOrder { |
| verify().onStart() |
| verify().onScale(4f) |
| verify().onCancel() |
| } |
| } |
| } |
| |
| @Suppress("RedundantOverride") |
| open class MyScaleObserver : ScaleObserver { |
| override fun onStart() { |
| super.onStart() |
| } |
| |
| override fun onScale(scaleFactor: Float) {} |
| |
| override fun onStop() { |
| super.onStop() |
| } |
| } |