| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.shared.system; |
| |
| import android.util.ArrayMap; |
| import android.view.RemoteAnimationTarget; |
| import android.view.SurfaceControl; |
| import android.window.TransitionInfo; |
| import android.window.TransitionInfo.Change; |
| |
| import com.android.wm.shell.util.TransitionUtil; |
| |
| import java.util.ArrayList; |
| import java.util.function.Predicate; |
| |
| /** |
| * Some utility methods for creating {@link RemoteAnimationTarget} instances. |
| */ |
| public class RemoteAnimationTargetCompat { |
| |
| /** |
| * Represents a TransitionInfo object as an array of old-style app targets |
| * |
| * @param leashMap Temporary map of change leash -> launcher leash. Is an output, so should be |
| * populated by this function. If null, it is ignored. |
| */ |
| public static RemoteAnimationTarget[] wrapApps(TransitionInfo info, |
| SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap) { |
| return wrap(info, t, leashMap, new TransitionUtil.LeafTaskFilter()); |
| } |
| |
| /** |
| * Represents a TransitionInfo object as an array of old-style non-app targets |
| * |
| * @param wallpapers If true, this will return wallpaper targets; otherwise it returns |
| * non-wallpaper targets. |
| * @param leashMap Temporary map of change leash -> launcher leash. Is an output, so should be |
| * populated by this function. If null, it is ignored. |
| */ |
| public static RemoteAnimationTarget[] wrapNonApps(TransitionInfo info, boolean wallpapers, |
| SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap) { |
| return wrap(info, t, leashMap, (change) -> (wallpapers |
| ? TransitionUtil.isWallpaper(change) : TransitionUtil.isNonApp(change))); |
| } |
| |
| private static RemoteAnimationTarget[] wrap(TransitionInfo info, |
| SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap, |
| Predicate<Change> filter) { |
| final ArrayList<RemoteAnimationTarget> out = new ArrayList<>(); |
| for (int i = 0; i < info.getChanges().size(); i++) { |
| TransitionInfo.Change change = info.getChanges().get(i); |
| if (TransitionUtil.isOrderOnly(change)) continue; |
| if (filter.test(change)) { |
| out.add(TransitionUtil.newTarget( |
| change, info.getChanges().size() - i, info, t, leashMap)); |
| } |
| } |
| return out.toArray(new RemoteAnimationTarget[out.size()]); |
| } |
| } |