| /* |
| * 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.test |
| |
| import android.view.MotionEvent |
| import android.view.View |
| import android.view.ViewGroup |
| import androidx.compose.Composable |
| import androidx.compose.emptyContent |
| import androidx.test.filters.SmallTest |
| import androidx.ui.core.DensityAmbient |
| import androidx.ui.core.Layout |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.PointerEventPass |
| import androidx.ui.core.PointerInputChange |
| import androidx.ui.core.clipToBounds |
| import androidx.ui.core.gesture.MotionEvent |
| import androidx.ui.core.gesture.PointerCoords |
| import androidx.ui.core.gesture.PointerProperties |
| import androidx.ui.core.pointerinput.PointerInputFilter |
| import androidx.ui.core.pointerinput.PointerInputModifier |
| import androidx.ui.core.setContent |
| import androidx.ui.framework.test.TestActivity |
| import androidx.ui.geometry.Offset |
| import androidx.ui.layout.offset |
| import androidx.ui.unit.IntSize |
| import com.google.common.truth.Truth.assertThat |
| 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 |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class ClipPointerInputTest { |
| |
| @Suppress("DEPRECATION") |
| @get:Rule |
| val rule = androidx.test.rule.ActivityTestRule<TestActivity>(TestActivity::class.java) |
| private lateinit var activity: TestActivity |
| private lateinit var view: View |
| |
| @Before |
| fun setup() { |
| activity = rule.activity |
| activity.hasFocusLatch.await(5, TimeUnit.SECONDS) |
| } |
| |
| /** |
| * This test creates a layout of this shape. |
| * |
| * 0 1 2 3 4 |
| * ......... ......... |
| * 0 . t . . t . |
| * . |---|---|---| . |
| * 1 . t | t | | t | t . |
| * ....|---| |---|.... |
| * 2 | | |
| * ....|---| |---|.... |
| * 3 . t | t | | t | t . |
| * . |---|---|---| . |
| * 4 . t . . t . |
| * ......... ......... |
| * |
| * 4 LayoutNodes with PointerInputModifiers that are positioned by offset modifiers and where |
| * pointer input is clipped by a modifier on the parent. 4 touches touch just inside the |
| * parent LayoutNode and inside the child LayoutNodes. 8 touches touch just outside the |
| * parent LayoutNode but inside the child LayoutNodes. |
| * |
| * Because clipToBounds is being used on the parent LayoutNode, only the 4 touches inside the |
| * parent LayoutNode should hit. |
| */ |
| @Test |
| fun clipToBounds_childrenOffsetViaLayout_onlyCorrectPointersHit() { |
| |
| val setupLatch = CountDownLatch(2) |
| |
| val loggingPim1 = LoggingPim() |
| val loggingPim2 = LoggingPim() |
| val loggingPim3 = LoggingPim() |
| val loggingPim4 = LoggingPim() |
| |
| rule.runOnUiThreadIR { |
| activity.setContent { |
| |
| val children = @Composable { |
| child(loggingPim1) |
| child(loggingPim2) |
| child(loggingPim3) |
| child(loggingPim4) |
| } |
| |
| val middle = @Composable { |
| Layout( |
| children = children, |
| modifier = Modifier.clipToBounds() |
| ) { measurables, constraints -> |
| val placeables = measurables.map { m -> |
| m.measure(constraints) |
| } |
| layout(3, 3) { |
| placeables[0].place((-1), (-1)) |
| placeables[1].place(2, (-1)) |
| placeables[2].place((-1), 2) |
| placeables[3].place(2, 2) |
| } |
| } |
| } |
| |
| Layout(children = middle) { measurables, constraints -> |
| val placeables = measurables.map { m -> |
| m.measure(constraints) |
| } |
| layout(constraints.maxWidth, constraints.maxHeight) { |
| placeables[0].place(1, 1) |
| setupLatch.countDown() |
| } |
| } |
| } |
| |
| view = activity.findViewById<ViewGroup>(android.R.id.content) |
| setupLatch.countDown() |
| } |
| |
| assertThat(setupLatch.await(2, TimeUnit.SECONDS)).isTrue() |
| |
| val offsetsThatHit = |
| listOf( |
| Offset(1f, 1f), |
| Offset(3f, 1f), |
| Offset(1f, 3f), |
| Offset(3f, 3f) |
| ) |
| val offsetsThatMiss = |
| listOf( |
| Offset(1f, 0f), |
| Offset(3f, 0f), |
| Offset(0f, 1f), |
| Offset(4f, 1f), |
| Offset(0f, 3f), |
| Offset(4f, 3f), |
| Offset(1f, 4f), |
| Offset(3f, 4f) |
| ) |
| |
| val downEvents = mutableListOf<MotionEvent>() |
| (offsetsThatHit + offsetsThatMiss).forEachIndexed { index, value -> |
| downEvents.add( |
| MotionEvent( |
| index, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(value.x, value.y)), |
| view |
| ) |
| ) |
| } |
| |
| // Act |
| rule.runOnUiThreadIR { |
| downEvents.forEach { |
| view.dispatchTouchEvent(it) |
| } |
| } |
| |
| // Assert |
| |
| assertThat(loggingPim1.log).isEqualTo(listOf(Offset(1f, 1f))) |
| assertThat(loggingPim2.log).isEqualTo(listOf(Offset(0f, 1f))) |
| assertThat(loggingPim3.log).isEqualTo(listOf(Offset(1f, 0f))) |
| assertThat(loggingPim4.log).isEqualTo(listOf(Offset(0f, 0f))) |
| } |
| |
| /** |
| * This test creates a layout of this shape. |
| * |
| * 0 1 2 3 4 |
| * ......... ......... |
| * 0 . t . . t . |
| * . |---|---|---| . |
| * 1 . t | t | | t | t . |
| * ....|---| |---|.... |
| * 2 | | |
| * ....|---| |---|.... |
| * 3 . t | t | | t | t . |
| * . |---|---|---| . |
| * 4 . t . . t . |
| * ......... ......... |
| * |
| * 4 LayoutNodes with PointerInputModifiers that are positioned by offset modifiers and where |
| * pointer input is clipped by a modifier on the parent. 4 touches touch just inside the |
| * parent LayoutNode and inside the child LayoutNodes. 8 touches touch just outside the |
| * parent LayoutNode but inside the child LayoutNodes. |
| * |
| * Because clipToBounds is being used on the parent LayoutNode, only the 4 touches inside the |
| * parent LayoutNode should hit. |
| */ |
| @Test |
| fun clipToBounds_childrenOffsetViaModifier_onlyCorrectPointersHit() { |
| |
| val setupLatch = CountDownLatch(2) |
| |
| val loggingPim1 = LoggingPim() |
| val loggingPim2 = LoggingPim() |
| val loggingPim3 = LoggingPim() |
| val loggingPim4 = LoggingPim() |
| |
| rule.runOnUiThreadIR { |
| activity.setContent { |
| |
| with(DensityAmbient.current) { |
| |
| val children = @Composable { |
| child(Modifier.offset((-1f).toDp(), (-1f).toDp()).plus(loggingPim1)) |
| child(Modifier.offset(2f.toDp(), (-1f).toDp()).plus(loggingPim2)) |
| child(Modifier.offset((-1f).toDp(), 2f.toDp()).plus(loggingPim3)) |
| child(Modifier.offset(2f.toDp(), 2f.toDp()).plus(loggingPim4)) |
| } |
| |
| val middle = @Composable { |
| Layout( |
| children = children, |
| modifier = Modifier.clipToBounds() |
| ) { measurables, constraints -> |
| val placeables = measurables.map { m -> |
| m.measure(constraints) |
| } |
| layout(3, 3) { |
| placeables.forEach { it.place(0, 0) } |
| } |
| } |
| } |
| |
| Layout(children = middle) { measurables, constraints -> |
| val placeables = measurables.map { m -> |
| m.measure(constraints) |
| } |
| layout(constraints.maxWidth, constraints.maxHeight) { |
| placeables[0].place(1, 1) |
| setupLatch.countDown() |
| } |
| } |
| } |
| } |
| |
| view = activity.findViewById<ViewGroup>(android.R.id.content) |
| setupLatch.countDown() |
| } |
| |
| assertThat(setupLatch.await(2, TimeUnit.SECONDS)).isTrue() |
| |
| val offsetsThatHit = |
| listOf( |
| Offset(1f, 1f), |
| Offset(3f, 1f), |
| Offset(1f, 3f), |
| Offset(3f, 3f) |
| ) |
| val offsetsThatMiss = |
| listOf( |
| Offset(1f, 0f), |
| Offset(3f, 0f), |
| Offset(0f, 1f), |
| Offset(4f, 1f), |
| Offset(0f, 3f), |
| Offset(4f, 3f), |
| Offset(1f, 4f), |
| Offset(3f, 4f) |
| ) |
| |
| val downEvents = mutableListOf<MotionEvent>() |
| (offsetsThatHit + offsetsThatMiss).forEachIndexed { index, value -> |
| downEvents.add( |
| MotionEvent( |
| index, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(value.x, value.y)), |
| view |
| ) |
| ) |
| } |
| |
| // Act |
| rule.runOnUiThreadIR { |
| downEvents.forEach { |
| view.dispatchTouchEvent(it) |
| } |
| } |
| |
| // Assert |
| |
| assertThat(loggingPim1.log).isEqualTo(listOf(Offset(1f, 1f))) |
| assertThat(loggingPim2.log).isEqualTo(listOf(Offset(0f, 1f))) |
| assertThat(loggingPim3.log).isEqualTo(listOf(Offset(1f, 0f))) |
| assertThat(loggingPim4.log).isEqualTo(listOf(Offset(0f, 0f))) |
| } |
| |
| @Composable |
| fun child(modifier: Modifier) { |
| Layout(children = emptyContent(), modifier = modifier) { _, _ -> |
| layout(2, 2) {} |
| } |
| } |
| |
| class LoggingPim : PointerInputModifier { |
| val log = mutableListOf<Offset>() |
| |
| override val pointerInputFilter = object : PointerInputFilter() { |
| override fun onPointerInput( |
| changes: List<PointerInputChange>, |
| pass: PointerEventPass, |
| bounds: IntSize |
| ): List<PointerInputChange> { |
| if (pass == PointerEventPass.InitialDown) { |
| changes.forEach { |
| println("testtest, bounds: $bounds") |
| log.add(it.current.position!!) |
| } |
| } |
| return changes |
| } |
| |
| override fun onCancel() { |
| // Nothing |
| } |
| } |
| } |
| } |