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.ui.geometry.Offset
20 import androidx.compose.ui.unit.IntSize
21 
22 internal class ElementStateScopeImpl(
23     private val layoutImpl: SceneTransitionLayoutImpl,
24 ) : ElementStateScope {
targetSizenull25     override fun ElementKey.targetSize(scene: SceneKey): IntSize? {
26         return layoutImpl.elements[this]?.sceneStates?.get(scene)?.targetSize.takeIf {
27             it != Element.SizeUnspecified
28         }
29     }
30 
targetOffsetnull31     override fun ElementKey.targetOffset(scene: SceneKey): Offset? {
32         return layoutImpl.elements[this]?.sceneStates?.get(scene)?.targetOffset.takeIf {
33             it != Offset.Unspecified
34         }
35     }
36 
targetSizenull37     override fun SceneKey.targetSize(): IntSize? {
38         return layoutImpl.scenes[this]?.targetSize.takeIf { it != IntSize.Zero }
39     }
40 }
41 
42 internal class UserActionDistanceScopeImpl(
43     private val layoutImpl: SceneTransitionLayoutImpl,
<lambda>null44 ) : UserActionDistanceScope, ElementStateScope by layoutImpl.elementStateScope {
45     override val density: Float
46         get() = layoutImpl.density.density
47 
48     override val fontScale: Float
49         get() = layoutImpl.density.fontScale
50 }
51