1 /* 2 * Copyright (C) 2025 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.systemui.scene.ui.composable 18 19 import com.android.compose.animation.scene.SceneTransitions 20 import com.android.compose.animation.scene.reveal.ContainerRevealHaptics 21 import com.android.compose.animation.scene.transitions 22 import com.android.mechanics.behavior.VerticalExpandContainerSpec 23 24 /** 25 * Builder of the comprehensive definition of all transitions between scenes and overlays in the 26 * scene container. 27 */ 28 interface SceneContainerTransitionsBuilder { 29 30 /** Build the [SceneContainer] transitions spec. */ buildnull31 fun build( 32 shadeExpansionMotion: VerticalExpandContainerSpec, 33 revealHaptics: ContainerRevealHaptics, 34 ): SceneTransitions 35 } 36 37 /** 38 * Implementation of [SceneContainerTransitionsBuilder] that returns a constant [SceneTransitions] 39 * instance, ignoring any parameters passed to [build]. 40 */ 41 class ConstantSceneContainerTransitionsBuilder( 42 private val transitions: SceneTransitions = transitions { /* No transitions */ } 43 ) : SceneContainerTransitionsBuilder { buildnull44 override fun build( 45 shadeExpansionMotion: VerticalExpandContainerSpec, 46 revealHaptics: ContainerRevealHaptics, 47 ): SceneTransitions = transitions 48 } 49