1 /* <lambda>null2 * 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.util 18 19 import android.app.WallpaperManager 20 import android.util.Log 21 import android.view.View 22 import com.android.systemui.dagger.SysUISingleton 23 import com.android.systemui.wallpapers.data.repository.WallpaperRepository 24 import javax.inject.Inject 25 import kotlin.math.max 26 27 private const val TAG = "WallpaperController" 28 29 /** 30 * Controller for wallpaper-related logic. 31 * 32 * Note: New logic should be added to [WallpaperRepository], not this class. 33 */ 34 @SysUISingleton 35 class WallpaperController @Inject constructor( 36 private val wallpaperManager: WallpaperManager, 37 private val wallpaperRepository: WallpaperRepository, 38 ) { 39 40 var rootView: View? = null 41 42 private var notificationShadeZoomOut: Float = 0f 43 private var unfoldTransitionZoomOut: Float = 0f 44 45 private val shouldUseDefaultUnfoldTransition: Boolean 46 get() = wallpaperRepository.wallpaperInfo.value?.shouldUseDefaultUnfoldTransition() 47 ?: true 48 49 fun setNotificationShadeZoom(zoomOut: Float) { 50 notificationShadeZoomOut = zoomOut 51 updateZoom() 52 } 53 54 fun setUnfoldTransitionZoom(zoomOut: Float) { 55 if (shouldUseDefaultUnfoldTransition) { 56 unfoldTransitionZoomOut = zoomOut 57 updateZoom() 58 } 59 } 60 61 private fun updateZoom() { 62 setWallpaperZoom(max(notificationShadeZoomOut, unfoldTransitionZoomOut)) 63 } 64 65 private fun setWallpaperZoom(zoomOut: Float) { 66 try { 67 rootView?.let { root -> 68 if (root.isAttachedToWindow && root.windowToken != null) { 69 wallpaperManager.setWallpaperZoomOut(root.windowToken, zoomOut) 70 } else { 71 Log.i(TAG, "Won't set zoom. Window not attached $root") 72 } 73 } 74 } catch (e: IllegalArgumentException) { 75 Log.w(TAG, "Can't set zoom. Window is gone: ${rootView?.windowToken}", e) 76 } 77 } 78 } 79