1 /* 2 * Copyright (C) 2021 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.unfold 18 19 import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener 20 import com.android.systemui.util.WallpaperController 21 import javax.inject.Inject 22 23 @SysUIUnfoldScope 24 class UnfoldTransitionWallpaperController 25 @Inject 26 constructor( 27 private val unfoldTransitionProgressProvider: UnfoldTransitionProgressProvider, 28 private val wallpaperController: WallpaperController 29 ) { 30 initnull31 fun init() { 32 unfoldTransitionProgressProvider.addCallback(TransitionListener()) 33 } 34 35 private inner class TransitionListener : TransitionProgressListener { onTransitionProgressnull36 override fun onTransitionProgress(progress: Float) { 37 // Fully zoomed in when fully unfolded 38 wallpaperController.setUnfoldTransitionZoom(1 - progress) 39 } 40 onTransitionFinishednull41 override fun onTransitionFinished() { 42 // Resets wallpaper zoom-out to 0f when fully folded 43 // When fully unfolded it is set to 0f by onTransitionProgress 44 wallpaperController.setUnfoldTransitionZoom(0f) 45 } 46 } 47 } 48