| /* |
| * 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.ui.core.semantics |
| |
| import androidx.ui.core.DelegatingLayoutNodeWrapper |
| import androidx.ui.core.ExperimentalLayoutNodeApi |
| import androidx.ui.core.LayoutNodeWrapper |
| |
| @OptIn(ExperimentalLayoutNodeApi::class) |
| internal class SemanticsWrapper( |
| wrapped: LayoutNodeWrapper, |
| val semanticsModifier: SemanticsModifier |
| ) : DelegatingLayoutNodeWrapper<SemanticsModifier>(wrapped, semanticsModifier) { |
| fun collapsedSemanticsConfiguration(): SemanticsConfiguration { |
| var config = SemanticsConfiguration() |
| config.absorb(modifier.semanticsConfiguration) |
| |
| val innerConfig = wrapped.nearestSemantics?.collapsedSemanticsConfiguration() |
| if (innerConfig != null) { |
| config.absorb(innerConfig) |
| } |
| return config |
| } |
| |
| override fun detach() { |
| super.detach() |
| layoutNode.owner?.onSemanticsChange() |
| } |
| |
| override fun onModifierChanged() { |
| layoutNode.owner?.onSemanticsChange() |
| } |
| |
| override fun toString(): String { |
| return "${super.toString()} id: ${modifier.id} config: ${modifier.semanticsConfiguration}" |
| } |
| } |