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.statusbar.layout.ui.viewmodel 18 19 import android.graphics.Rect 20 import com.android.systemui.statusbar.layout.StatusBarContentInsetsChangedListener 21 import com.android.systemui.statusbar.layout.StatusBarContentInsetsProvider 22 import com.android.systemui.utils.coroutines.flow.conflatedCallbackFlow 23 import kotlinx.coroutines.channels.awaitClose 24 import kotlinx.coroutines.flow.Flow 25 import kotlinx.coroutines.flow.distinctUntilChanged 26 import kotlinx.coroutines.flow.onStart 27 28 /** A recommended architecture version of [StatusBarContentInsetsProvider]. */ 29 class StatusBarContentInsetsViewModel( 30 private val statusBarContentInsetsProvider: StatusBarContentInsetsProvider 31 ) { 32 /** Emits the status bar content area for the given rotation in absolute bounds. */ 33 val contentArea: Flow<Rect> = <lambda>null34 conflatedCallbackFlow { 35 val listener = 36 object : StatusBarContentInsetsChangedListener { 37 override fun onStatusBarContentInsetsChanged() { 38 trySend( 39 statusBarContentInsetsProvider 40 .getStatusBarContentAreaForCurrentRotation() 41 ) 42 } 43 } 44 statusBarContentInsetsProvider.addCallback(listener) 45 awaitClose { statusBarContentInsetsProvider.removeCallback(listener) } 46 } <lambda>null47 .onStart { 48 emit(statusBarContentInsetsProvider.getStatusBarContentAreaForCurrentRotation()) 49 } 50 .distinctUntilChanged() 51 } 52