| /* |
| * 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.ui.core.DensityAmbient |
| import androidx.ui.core.Layout |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.setContent |
| import androidx.ui.geometry.Offset |
| import androidx.ui.framework.test.TestActivity |
| import androidx.ui.layout.Stack |
| import com.nhaarman.mockitokotlin2.any |
| import com.nhaarman.mockitokotlin2.inOrder |
| import com.nhaarman.mockitokotlin2.spy |
| import com.nhaarman.mockitokotlin2.times |
| import com.nhaarman.mockitokotlin2.verify |
| import com.nhaarman.mockitokotlin2.verifyNoMoreInteractions |
| import org.junit.Assert.assertTrue |
| 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 |
| |
| @LargeTest |
| @RunWith(JUnit4::class) |
| class TouchSlopDragGestureFilterTest { |
| @Suppress("DEPRECATION") |
| @get:Rule |
| val activityTestRule = androidx.test.rule.ActivityTestRule<TestActivity>( |
| TestActivity::class.java |
| ) |
| private lateinit var dragObserver: DragObserver |
| private lateinit var view: View |
| private var touchSlop: Float = Float.NEGATIVE_INFINITY |
| |
| private val TinyNum = .01f |
| |
| @Test |
| fun ui_pointerMovementWithinTouchSlop_noCallbacksCalled() { |
| setup(false) |
| |
| val touchSlop = touchSlop |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)), |
| view |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop - TinyNum, 50f)), |
| view |
| ) |
| val up = MotionEvent( |
| 30, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop - TinyNum, 50f)), |
| view |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(up) |
| } |
| verifyNoMoreInteractions(dragObserver) |
| } |
| |
| @Test |
| fun ui_pointerDownMovementBeyondTouchSlopUp_correctCallbacksInOrder() { |
| setup(false) |
| |
| val touchSlop = touchSlop |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)), |
| view |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop + TinyNum, 50f)), |
| view |
| ) |
| val up = MotionEvent( |
| 30, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop + TinyNum, 50f)), |
| view |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(up) |
| } |
| |
| dragObserver.inOrder { |
| verify().onStart(Offset(50f, 50f)) |
| // Twice because RawDragGestureDetector calls the callback on both postUp and postDown |
| // and nothing consumes the drag distance. |
| verify(dragObserver, times(2)).onDrag(any()) |
| verify().onStop(any()) |
| } |
| verifyNoMoreInteractions(dragObserver) |
| } |
| |
| @Test |
| fun ui_pointerDownMovementBeyondTouchSlopCancel_correctCallbacksInOrder() { |
| setup(false) |
| |
| val touchSlop = touchSlop |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)), |
| view |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop + TinyNum, 50f)), |
| view |
| ) |
| val cancel = MotionEvent( |
| 30, |
| MotionEvent.ACTION_CANCEL, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + touchSlop, 50f)), |
| view |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(cancel) |
| } |
| |
| dragObserver.inOrder { |
| verify().onStart(Offset(50f, 50f)) |
| // Twice because RawDragGestureDetector calls the callback on both postUp and postDown |
| // and nothing consumes the drag distance. |
| verify(dragObserver, times(2)).onDrag(any()) |
| verify().onCancel() |
| } |
| verifyNoMoreInteractions(dragObserver) |
| } |
| |
| @Test |
| fun ui_startDragImmediatelyTrueDown_onStartOnlyCalled() { |
| setup(true) |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)), |
| view |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| } |
| |
| dragObserver.inOrder { |
| verify().onStart(Offset(50f, 50f)) |
| } |
| verifyNoMoreInteractions(dragObserver) |
| } |
| |
| @Test |
| fun ui_movement_onDragCalledWithCorrectValue() { |
| setup(false) |
| |
| // Guaranteed to be over slop |
| val movement = (touchSlop + 1 * 2).toInt() |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)), |
| view |
| ) |
| val move = MotionEvent( |
| 20, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f + movement, 50f)), |
| view |
| ) |
| |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| view.dispatchTouchEvent(move) |
| } |
| |
| verify(dragObserver, times(2)).onDrag(Offset(movement.toFloat(), 0.0f)) |
| } |
| |
| private fun setup(startDragImmediately: Boolean) { |
| dragObserver = spy(MyDragObserver()) |
| |
| val activity = activityTestRule.activity |
| assertTrue(activity.hasFocusLatch.await(5, TimeUnit.SECONDS)) |
| |
| val setupLatch = CountDownLatch(2) |
| activityTestRule.runOnUiThreadIR { |
| activity.setContent { |
| Stack { |
| touchSlop = with(DensityAmbient.current) { TouchSlop.toPx() } |
| Layout( |
| modifier = Modifier.dragGestureFilter( |
| dragObserver, |
| startDragImmediately = startDragImmediately |
| ), |
| measureBlock = { _, _ -> |
| layout(100, 100) { |
| setupLatch.countDown() |
| } |
| }, children = {} |
| ) |
| } |
| } |
| |
| view = activity.findViewById<ViewGroup>(android.R.id.content) |
| setupLatch.countDown() |
| } |
| assertTrue(setupLatch.await(1000, TimeUnit.SECONDS)) |
| } |
| } |
| |
| @Suppress("RedundantOverride") |
| open class MyDragObserver : DragObserver { |
| override fun onStart(downPosition: Offset) { |
| super.onStart(downPosition) |
| } |
| |
| override fun onDrag(dragDistance: Offset): Offset { |
| return super.onDrag(dragDistance) |
| } |
| |
| override fun onStop(velocity: Offset) { |
| super.onStop(velocity) |
| } |
| } |