| /* |
| * 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 |
| |
| // We only need this because IR compiler doesn't like converting lambdas to Runnables |
| @Suppress("DEPRECATION") |
| internal fun androidx.test.rule.ActivityTestRule<*>.runOnUiThreadIR(block: () -> Unit) { |
| val runnable: Runnable = object : Runnable { |
| override fun run() { |
| block() |
| } |
| } |
| runOnUiThread(runnable) |
| } |
| |
| /** |
| * Creates a simple [MotionEvent]. |
| * |
| * @param dispatchTarget The [View] that the [MotionEvent] is going to be dispatched to. This |
| * guarantees that the MotionEvent is created correctly for both Compose (which relies on raw |
| * coordinates being correct) and Android (which requires that local coordinates are correct). |
| */ |
| internal fun MotionEvent( |
| eventTime: Int, |
| action: Int, |
| numPointers: Int, |
| actionIndex: Int, |
| pointerProperties: Array<MotionEvent.PointerProperties>, |
| pointerCoords: Array<MotionEvent.PointerCoords>, |
| dispatchTarget: View |
| ): MotionEvent { |
| |
| val locationOnScreen = IntArray(2) { 0 } |
| dispatchTarget.getLocationOnScreen(locationOnScreen) |
| |
| pointerCoords.forEach { |
| it.x += locationOnScreen[0] |
| it.y += locationOnScreen[1] |
| } |
| |
| val motionEvent = MotionEvent.obtain( |
| 0, |
| eventTime.toLong(), |
| action + (actionIndex shl MotionEvent.ACTION_POINTER_INDEX_SHIFT), |
| numPointers, |
| pointerProperties, |
| pointerCoords, |
| 0, |
| 0, |
| 0f, |
| 0f, |
| 0, |
| 0, |
| 0, |
| 0 |
| ).apply { |
| offsetLocation(-locationOnScreen[0].toFloat(), -locationOnScreen[1].toFloat()) |
| } |
| |
| pointerCoords.forEach { |
| it.x -= locationOnScreen[0] |
| it.y -= locationOnScreen[1] |
| } |
| |
| return motionEvent |
| } |
| |
| @Suppress("RemoveRedundantQualifierName") |
| internal fun PointerProperties(id: Int) = |
| MotionEvent.PointerProperties().apply { this.id = id } |
| |
| @Suppress("RemoveRedundantQualifierName") |
| internal fun PointerCoords(x: Float, y: Float) = |
| MotionEvent.PointerCoords().apply { |
| this.x = x |
| this.y = y |
| } |