1 /*
2  * Copyright 2020 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 package androidx.compose.ui.platform
17 
18 import androidx.compose.runtime.AbstractApplier
19 import androidx.compose.runtime.CompositionContext
20 import androidx.compose.runtime.PausableComposition
21 import androidx.compose.runtime.ReusableComposition
22 import androidx.compose.ui.node.LayoutNode
23 
createAppliernull24 internal expect fun createApplier(container: LayoutNode): AbstractApplier<LayoutNode>
25 
26 /*@MainThread*/
27 internal fun createSubcomposition(
28     container: LayoutNode,
29     parent: CompositionContext
30 ): ReusableComposition = ReusableComposition(createApplier(container), parent)
31 
32 internal fun createPausableSubcomposition(
33     container: LayoutNode,
34     parent: CompositionContext
35 ): PausableComposition = PausableComposition(createApplier(container), parent)
36