1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.compose.animation.scene 18 19 import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi 20 import androidx.compose.material3.MotionScheme 21 import androidx.compose.ui.geometry.Offset 22 import androidx.compose.ui.unit.IntSize 23 import androidx.compose.ui.unit.LayoutDirection 24 import com.android.compose.animation.scene.transformation.PropertyTransformationScope 25 26 internal class ElementStateScopeImpl(private val layoutImpl: SceneTransitionLayoutImpl) : 27 ElementStateScope { targetSizenull28 override fun ElementKey.targetSize(content: ContentKey): IntSize? { 29 return layoutImpl.elements[this]?.stateByContent?.get(content)?.targetSize.takeIf { 30 it != Element.SizeUnspecified 31 } 32 } 33 approachSizenull34 override fun ElementKey.approachSize(content: ContentKey): IntSize? { 35 return layoutImpl.elements[this]?.stateByContent?.get(content)?.approachSize.takeIf { 36 it != Element.SizeUnspecified 37 } 38 } 39 targetOffsetnull40 override fun ElementKey.targetOffset(content: ContentKey): Offset? { 41 return layoutImpl.elements[this]?.stateByContent?.get(content)?.targetOffset.takeIf { 42 it != Offset.Unspecified 43 } 44 } 45 targetSizenull46 override fun ContentKey.targetSize(): IntSize? { 47 return layoutImpl.content(this).targetSize.takeIf { it != Element.SizeUnspecified } 48 } 49 } 50 51 internal class UserActionDistanceScopeImpl(private val layoutImpl: SceneTransitionLayoutImpl) : <lambda>null52 UserActionDistanceScope, ElementStateScope by layoutImpl.elementStateScope { 53 override val density: Float 54 get() = layoutImpl.density.density 55 56 override val fontScale: Float 57 get() = layoutImpl.density.fontScale 58 } 59 60 internal class PropertyTransformationScopeImpl(private val layoutImpl: SceneTransitionLayoutImpl) : <lambda>null61 PropertyTransformationScope, ElementStateScope by layoutImpl.elementStateScope { 62 override val density: Float 63 get() = layoutImpl.density.density 64 65 override val fontScale: Float 66 get() = layoutImpl.density.fontScale 67 68 override val layoutDirection: LayoutDirection 69 get() = layoutImpl.layoutDirection 70 71 @ExperimentalMaterial3ExpressiveApi 72 override val motionScheme: MotionScheme 73 get() = layoutImpl.state.motionScheme 74 } 75