| /* |
| * Copyright 2020 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.compose.foundation.text.selection |
| |
| import android.view.MotionEvent |
| import android.view.View |
| import android.view.ViewGroup |
| import androidx.activity.ComponentActivity |
| import androidx.compose.Providers |
| import androidx.compose.mutableStateOf |
| import androidx.test.filters.SdkSuppress |
| import androidx.test.filters.SmallTest |
| import androidx.ui.core.HapticFeedBackAmbient |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.hapticfeedback.HapticFeedback |
| import androidx.ui.core.hapticfeedback.HapticFeedbackType |
| import androidx.ui.core.selection.Selection |
| import androidx.ui.core.selection.SelectionContainer |
| import androidx.compose.foundation.layout.fillMaxSize |
| import androidx.ui.test.android.createAndroidComposeRule |
| import androidx.ui.test.runOnIdle |
| import androidx.compose.ui.text.AnnotatedString |
| import androidx.compose.foundation.text.CoreText |
| import androidx.compose.ui.text.TextStyle |
| import androidx.compose.ui.text.font.FontStyle |
| import androidx.compose.ui.text.font.FontWeight |
| import androidx.compose.ui.text.font.ResourceFont |
| import androidx.compose.ui.text.font.asFontFamily |
| import androidx.compose.ui.text.font.test.R |
| import androidx.compose.ui.text.style.TextOverflow |
| import androidx.ui.unit.sp |
| import com.google.common.truth.Truth.assertThat |
| import com.nhaarman.mockitokotlin2.mock |
| import com.nhaarman.mockitokotlin2.times |
| import com.nhaarman.mockitokotlin2.verify |
| 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 SelectionContainerTest { |
| @get:Rule |
| val composeTestRule = createAndroidComposeRule<ComponentActivity>() |
| |
| private lateinit var view: View |
| |
| private val textContent = "Text Demo Text Demo" |
| private val fontFamily = ResourceFont( |
| resId = R.font.sample_font, |
| weight = FontWeight.Normal, |
| style = FontStyle.Normal |
| ).asFontFamily() |
| |
| private lateinit var gestureCountDownLatch: CountDownLatch |
| |
| private val selection = mutableStateOf<Selection?>(null) |
| private val fontSize = 10.sp |
| |
| private val hapticFeedback = mock<HapticFeedback>() |
| |
| @Before |
| fun setup() { |
| composeTestRule.setContent { |
| Providers( |
| HapticFeedBackAmbient provides hapticFeedback |
| ) { |
| SelectionContainer( |
| selection = selection.value, |
| onSelectionChange = { |
| selection.value = it |
| gestureCountDownLatch.countDown() |
| } |
| ) { |
| CoreText( |
| AnnotatedString(textContent), |
| Modifier.fillMaxSize(), |
| style = TextStyle(fontFamily = fontFamily, fontSize = fontSize), |
| softWrap = true, |
| overflow = TextOverflow.Clip, |
| maxLines = Int.MAX_VALUE, |
| inlineContent = mapOf(), |
| onTextLayout = {} |
| ) |
| } |
| } |
| } |
| composeTestRule.activityRule.scenario.onActivity { |
| view = it.findViewById<ViewGroup>(android.R.id.content) |
| } |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 27) |
| fun press_to_cancel() { |
| // Setup. Long press to create a selection. |
| // A reasonable number. |
| val position = 50f |
| longPress(x = position, y = position) |
| runOnIdle { |
| assertThat(selection.value).isNotNull() |
| } |
| |
| // Act. |
| press(x = position, y = position) |
| |
| // Assert. |
| runOnIdle { |
| assertThat(selection.value).isNull() |
| verify( |
| hapticFeedback, |
| times(2) |
| ).performHapticFeedback(HapticFeedbackType.TextHandleMove) |
| } |
| } |
| |
| @Test |
| fun long_press_select_a_word() { |
| // Setup. |
| val characterSize = with(composeTestRule.density) { fontSize.toPx() } |
| |
| // Act. |
| longPress( |
| x = textContent.indexOf('m') * characterSize, |
| y = 0.5f * characterSize |
| ) |
| |
| // Assert. Should select "Demo". |
| runOnIdle { |
| assertThat(selection.value!!.start.offset).isEqualTo(textContent.indexOf('D')) |
| assertThat(selection.value!!.end.offset).isEqualTo(textContent.indexOf('o') + 1) |
| verify( |
| hapticFeedback, |
| times(1) |
| ).performHapticFeedback(HapticFeedbackType.TextHandleMove) |
| } |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 27) |
| fun long_press_and_drag_select_text_range() { |
| // Setup. Want to selection "Dem". |
| val startOffset = textContent.indexOf('D') |
| val endOffset = textContent.indexOf('m') + 1 |
| val characterSize = with(composeTestRule.density) { fontSize.toPx() } |
| |
| // Act. |
| longPressAndDrag( |
| startX = startOffset * characterSize, |
| startY = 0.5f * characterSize, |
| endX = endOffset * characterSize, |
| endY = 0.5f * characterSize |
| ) |
| |
| // Assert. |
| runOnIdle { |
| assertThat(selection.value!!.start.offset).isEqualTo(startOffset) |
| assertThat(selection.value!!.end.offset).isEqualTo("Text Demo".length) |
| verify( |
| hapticFeedback, |
| times(1) |
| ).performHapticFeedback(HapticFeedbackType.TextHandleMove) |
| } |
| } |
| |
| private fun longPress(x: Float, y: Float) { |
| waitForLongPress { |
| view.dispatchTouchEvent(getDownEvent(x, y)) |
| } |
| waitForOtherGesture { |
| view.dispatchTouchEvent(getUpEvent(x, y)) |
| } |
| } |
| |
| private fun longPressAndDrag(startX: Float, startY: Float, endX: Float, endY: Float) { |
| waitForLongPress { |
| view.dispatchTouchEvent(getDownEvent(startX, startY)) |
| } |
| waitForOtherGesture { |
| view.dispatchTouchEvent(getMoveEvent(endX, endY)) |
| } |
| } |
| |
| private fun press(x: Float, y: Float) { |
| waitForOtherGesture { |
| view.dispatchTouchEvent(getDownEvent(x, y)) |
| } |
| waitForOtherGesture { |
| view.dispatchTouchEvent(getUpEvent(x, y)) |
| } |
| } |
| |
| private fun getDownEvent(x: Float, y: Float): MotionEvent { |
| return MotionEvent( |
| 0, |
| MotionEvent.ACTION_DOWN, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(x, y)) |
| ) |
| } |
| |
| private fun getUpEvent(x: Float, y: Float): MotionEvent { |
| return MotionEvent( |
| 0, |
| MotionEvent.ACTION_UP, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(x, y)) |
| ) |
| } |
| |
| private fun getMoveEvent(x: Float, y: Float): MotionEvent { |
| return MotionEvent( |
| 0, |
| MotionEvent.ACTION_MOVE, |
| 1, |
| 0, |
| arrayOf(PointerProperties(0)), |
| arrayOf(PointerCoords(x, y)) |
| ) |
| } |
| |
| private fun waitForLongPress(block: () -> Unit) { |
| gestureCountDownLatch = CountDownLatch(1) |
| runOnIdle(block) |
| gestureCountDownLatch.await(750, TimeUnit.MILLISECONDS) |
| } |
| |
| private fun waitForOtherGesture(block: () -> Unit) { |
| runOnIdle(block) |
| } |
| } |