BringIntoViewResponder.android.kt
/*
* Copyright 2022 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.relocation
import android.graphics.Rect as AndroidRect
import androidx.compose.ui.geometry.Rect
import androidx.compose.ui.layout.positionInRoot
import androidx.compose.ui.node.CompositionLocalConsumerModifierNode
import androidx.compose.ui.node.currentValueOf
import androidx.compose.ui.platform.LocalView
internal actual fun CompositionLocalConsumerModifierNode.defaultBringIntoViewParent():
BringIntoViewParent =
BringIntoViewParent { childCoordinates, boundsProvider ->
val view = currentValueOf(LocalView)
val childOffset = childCoordinates.positionInRoot()
val rootRect = boundsProvider()?.translate(childOffset)
if (rootRect != null) {
view.requestRectangleOnScreen(rootRect.toRect(), false)
}
}
private fun Rect.toRect() = AndroidRect(left.toInt(), top.toInt(), right.toInt(), bottom.toInt())