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Move getAllUncoveredSemanticsNodesToIntObjectMap to common
Move the semantic tree traversal function, including helper utils, to common code. Introduce SemanticRegion as a wrapper around the platform's Region class. Test: AndroidComposeViewAccessibilityDelegateCompatTest, ScrollCaptureTest Change-Id: Ibb25e7eac48ed0b61a9318b004669f0d7d0c8b97
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47 changes: 47 additions & 0 deletions
47
...ose/ui/ui/src/androidMain/kotlin/androidx/compose/ui/semantics/SemanticsRegion.android.kt
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| /* | ||
| * Copyright 2024 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. | ||
| */ | ||
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| package androidx.compose.ui.semantics | ||
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| import android.graphics.Region | ||
| import androidx.compose.ui.graphics.toComposeIntRect | ||
| import androidx.compose.ui.unit.IntRect | ||
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| /** Wrapper around platform-specific [android.graphics.Region] class */ | ||
| private class SemanticRegionImpl : SemanticsRegion { | ||
| val region = Region() | ||
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| override fun set(rect: IntRect) { | ||
| region.set(rect.left, rect.top, rect.right, rect.bottom) | ||
| } | ||
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| override val bounds: IntRect | ||
| get() = region.bounds.toComposeIntRect() | ||
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| override val isEmpty: Boolean | ||
| get() = region.isEmpty | ||
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| override fun intersect(region: SemanticsRegion): Boolean { | ||
| return this.region.op((region as SemanticRegionImpl).region, Region.Op.INTERSECT) | ||
| } | ||
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| override fun difference(rect: IntRect): Boolean { | ||
| return region.op(rect.left, rect.top, rect.right, rect.bottom, Region.Op.DIFFERENCE) | ||
| } | ||
| } | ||
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| /** Builder that creates wrapper around platform-specific Region class */ | ||
| internal actual fun SemanticsRegion(): SemanticsRegion = SemanticRegionImpl() |
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