| /* |
| * 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.rule.ActivityTestRule |
| import androidx.ui.core.ipx |
| import androidx.ui.core.setContent |
| import androidx.ui.framework.test.TestActivity |
| import com.nhaarman.mockitokotlin2.any |
| import com.nhaarman.mockitokotlin2.verify |
| 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 |
| import androidx.ui.core.PxPosition |
| import com.nhaarman.mockitokotlin2.reset |
| import com.nhaarman.mockitokotlin2.spy |
| import com.nhaarman.mockitokotlin2.times |
| import androidx.test.filters.LargeTest |
| import androidx.ui.core.Layout |
| |
| @LargeTest |
| @RunWith(JUnit4::class) |
| class LongPressDragGestureDetectorTest { |
| @get:Rule |
| val activityTestRule = ActivityTestRule<TestActivity>(TestActivity::class.java) |
| private lateinit var longPressDragObserver: LongPressDragObserver |
| private lateinit var longPressCountDownLatch: CountDownLatch |
| private lateinit var view: View |
| |
| @Before |
| fun setup() { |
| longPressDragObserver = spy(MyLongPressDragObserver { |
| longPressCountDownLatch.countDown() |
| }) |
| |
| val activity = activityTestRule.activity |
| assertTrue(activity.hasFocusLatch.await(5, TimeUnit.SECONDS)) |
| |
| val setupLatch = CountDownLatch(2) |
| activityTestRule.runOnUiThreadIR { |
| activity.setContent { |
| LongPressDragGestureDetector(longPressDragObserver) { |
| Layout( |
| measureBlock = { _, _ -> |
| layout(100.ipx, 100.ipx) { |
| setupLatch.countDown() |
| } |
| }, children = {} |
| ) |
| } |
| } |
| |
| view = activity.findViewById<ViewGroup>(android.R.id.content) |
| setupLatch.countDown() |
| } |
| assertTrue(setupLatch.await(1000, TimeUnit.SECONDS)) |
| } |
| |
| // Tests that verify conditions under which nothing will be called. |
| |
| @Test |
| fun ui_downMoveUpBeforeLongPressTimeout_noCallbacksCalled() { |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)) |
| ) |
| val move = MotionEvent( |
| 0, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| val up = MotionEvent( |
| 0, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| activityTestRule.runOnUiThreadIR { |
| view.dispatchTouchEvent(down) |
| view.dispatchTouchEvent(move) |
| view.dispatchTouchEvent(up) |
| } |
| |
| verifyNoMoreInteractions(longPressDragObserver) |
| } |
| |
| // Tests that verify conditions under which onLongPress will only be called. |
| |
| @Test |
| fun ui_downWaitForLongPress_onLongPressCalled() { |
| |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)) |
| ) |
| waitForLongPress { |
| view.dispatchTouchEvent(down) |
| } |
| |
| verify(longPressDragObserver).onLongPress(any()) |
| verifyNoMoreInteractions(longPressDragObserver) |
| } |
| |
| // Tests that verify conditions under which onDragStart and onDrag will be called. |
| |
| @Test |
| fun ui_downWaitForLongPressMove_onDragStartAndOnDragCalled() { |
| |
| // Arrange. |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)) |
| ) |
| waitForLongPress { |
| view.dispatchTouchEvent(down) |
| } |
| reset(longPressDragObserver) |
| |
| // Act. |
| val move = MotionEvent( |
| 0, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| view.dispatchTouchEvent(move) |
| |
| // Assert. |
| verify(longPressDragObserver).onDragStart() |
| // Twice because DragGestureDetector dispatches onDrag during 2 passes. |
| verify(longPressDragObserver, times(2)).onDrag(any()) |
| verifyNoMoreInteractions(longPressDragObserver) |
| } |
| |
| // Tests that verify conditions under which onStop will be called. |
| |
| @Test |
| fun ui_downWaitForLongPressMoveUp_onDragStopCalled() { |
| |
| // Arrange. |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)) |
| ) |
| waitForLongPress { |
| view.dispatchTouchEvent(down) |
| } |
| val move = MotionEvent( |
| 0, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| view.dispatchTouchEvent(move) |
| reset(longPressDragObserver) |
| |
| // Act. |
| val up = MotionEvent( |
| 0, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| view.dispatchTouchEvent(up) |
| |
| // Assert. |
| verify(longPressDragObserver).onStop(any()) |
| verifyNoMoreInteractions(longPressDragObserver) |
| } |
| |
| @Test |
| fun ui_downWaitForLongPressUp_onDragStopCalled() { |
| |
| // Arrange. |
| val down = MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(50f, 50f)) |
| ) |
| waitForLongPress { |
| view.dispatchTouchEvent(down) |
| } |
| reset(longPressDragObserver) |
| |
| // Act. |
| val up = MotionEvent( |
| 0, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(51f, 50f)) |
| ) |
| view.dispatchTouchEvent(up) |
| |
| // Assert. |
| verify(longPressDragObserver).onStop(any()) |
| verifyNoMoreInteractions(longPressDragObserver) |
| } |
| |
| private fun waitForLongPress(block: () -> Unit) { |
| longPressCountDownLatch = CountDownLatch(1) |
| activityTestRule.runOnUiThreadIR(block) |
| assertTrue(longPressCountDownLatch.await(750, TimeUnit.MILLISECONDS)) |
| } |
| } |
| |
| @Suppress("RedundantOverride") |
| open class MyLongPressDragObserver(val onLongPress: () -> Unit) : LongPressDragObserver { |
| override fun onLongPress(pxPosition: PxPosition) { |
| onLongPress() |
| } |
| |
| override fun onDragStart() { } |
| |
| override fun onDrag(dragDistance: PxPosition): PxPosition { |
| return super.onDrag(dragDistance) |
| } |
| |
| override fun onStop(velocity: PxPosition) { } |
| } |
| |
| // We only need this because IR compiler doesn't like converting lambdas to Runnables |
| fun ActivityTestRule<*>.runOnUiThreadIR(block: () -> Unit) { |
| val runnable: Runnable = object : Runnable { |
| override fun run() { |
| block() |
| } |
| } |
| runOnUiThread(runnable) |
| } |
| |
| private fun MotionEvent( |
| eventTime: Int, |
| action: Int, |
| numPointers: Int, |
| actionIndex: Int, |
| pointerProperties: Array<MotionEvent.PointerProperties>, |
| pointerCoords: Array<MotionEvent.PointerCoords> |
| ) = MotionEvent.obtain( |
| 0, |
| eventTime.toLong(), |
| action + (actionIndex shl MotionEvent.ACTION_POINTER_INDEX_SHIFT), |
| numPointers, |
| pointerProperties, |
| pointerCoords, |
| 0, |
| 0, |
| 0f, |
| 0f, |
| 0, |
| 0, |
| 0, |
| 0 |
| ) |
| |
| @Suppress("RemoveRedundantQualifierName") |
| private fun PointerProperties(id: Int) = |
| MotionEvent.PointerProperties().apply { this.id = id } |
| |
| @Suppress("RemoveRedundantQualifierName") |
| private fun PointerCoords(x: Float, y: Float) = |
| MotionEvent.PointerCoords().apply { |
| this.x = x |
| this.y = y |
| } |