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 package com.android.launcher3.util; 17 18 import static com.android.launcher3.ResourceUtils.INVALID_RESOURCE_HANDLE; 19 import static com.android.launcher3.Utilities.dpiFromPx; 20 21 import android.annotation.TargetApi; 22 import android.content.Context; 23 import android.content.res.Configuration; 24 import android.graphics.Insets; 25 import android.graphics.Rect; 26 import android.os.Build; 27 import android.view.WindowInsets; 28 import android.view.WindowInsets.Type; 29 import android.view.WindowManager; 30 import android.view.WindowMetrics; 31 32 import com.android.launcher3.R; 33 import com.android.launcher3.ResourceUtils; 34 import com.android.launcher3.util.DisplayController.PortraitSize; 35 36 import java.util.Collection; 37 import java.util.HashSet; 38 import java.util.Set; 39 40 /** 41 * Utility class to simulate window manager APIs until proper APIs are available 42 */ 43 @TargetApi(Build.VERSION_CODES.S) 44 public class WindowManagerCompat { 45 46 public static final int MIN_TABLET_WIDTH = 600; 47 48 /** 49 * Returns a set of supported render sizes for a set of internal displays. 50 * This is a temporary workaround which assumes only nav-bar insets change across displays 51 * @param consumeTaskBar if true, it assumes that task bar is part of the app window 52 * and ignores any insets because of task bar. 53 */ getDisplayProfiles( Context windowContext, Collection<PortraitSize> allDisplaySizes, int densityDpi, boolean consumeTaskBar)54 public static Set<WindowMetrics> getDisplayProfiles( 55 Context windowContext, Collection<PortraitSize> allDisplaySizes, 56 int densityDpi, boolean consumeTaskBar) { 57 WindowInsets metrics = windowContext.getSystemService(WindowManager.class) 58 .getMaximumWindowMetrics().getWindowInsets(); 59 boolean hasNavbar = ResourceUtils.getIntegerByName( 60 "config_navBarInteractionMode", 61 windowContext.getResources(), 62 INVALID_RESOURCE_HANDLE) != 0; 63 64 WindowInsets.Builder insetsBuilder = new WindowInsets.Builder(metrics); 65 66 Set<WindowMetrics> result = new HashSet<>(); 67 for (PortraitSize size : allDisplaySizes) { 68 int swDP = (int) dpiFromPx(size.width, densityDpi); 69 boolean isTablet = swDP >= MIN_TABLET_WIDTH; 70 71 final Insets portraitNav, landscapeNav; 72 if (isTablet && !consumeTaskBar) { 73 portraitNav = landscapeNav = Insets.of(0, 0, 0, windowContext.getResources() 74 .getDimensionPixelSize(R.dimen.taskbar_size)); 75 } else if (hasNavbar) { 76 portraitNav = Insets.of(0, 0, 0, 77 getSystemResource(windowContext, "navigation_bar_height", swDP)); 78 landscapeNav = isTablet 79 ? Insets.of(0, 0, 0, getSystemResource(windowContext, 80 "navigation_bar_height_landscape", swDP)) 81 : Insets.of(0, 0, getSystemResource(windowContext, 82 "navigation_bar_width", swDP), 0); 83 } else { 84 portraitNav = landscapeNav = Insets.of(0, 0, 0, 0); 85 } 86 87 result.add(new WindowMetrics( 88 new Rect(0, 0, size.width, size.height), 89 insetsBuilder.setInsets(Type.navigationBars(), portraitNav).build())); 90 result.add(new WindowMetrics( 91 new Rect(0, 0, size.height, size.width), 92 insetsBuilder.setInsets(Type.navigationBars(), landscapeNav).build())); 93 } 94 return result; 95 } 96 getSystemResource(Context context, String key, int swDp)97 private static int getSystemResource(Context context, String key, int swDp) { 98 int resourceId = context.getResources().getIdentifier(key, "dimen", "android"); 99 if (resourceId > 0) { 100 Configuration conf = new Configuration(); 101 conf.smallestScreenWidthDp = swDp; 102 return context.createConfigurationContext(conf) 103 .getResources().getDimensionPixelSize(resourceId); 104 } 105 return 0; 106 } 107 } 108