| /* |
| * Copyright (C) 2021 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.wm.shell.freeform; |
| |
| import static android.content.pm.PackageManager.FEATURE_FREEFORM_WINDOW_MANAGEMENT; |
| import static android.provider.Settings.Global.DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT; |
| |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.content.Context; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.provider.Settings; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.view.SurfaceControl; |
| |
| import com.android.internal.protolog.common.ProtoLog; |
| import com.android.wm.shell.ShellTaskOrganizer; |
| import com.android.wm.shell.common.SyncTransactionQueue; |
| import com.android.wm.shell.protolog.ShellProtoLogGroup; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * {@link ShellTaskOrganizer.TaskListener} for {@link |
| * ShellTaskOrganizer#TASK_LISTENER_TYPE_FREEFORM}. |
| */ |
| public class FreeformTaskListener implements ShellTaskOrganizer.TaskListener { |
| private static final String TAG = "FreeformTaskListener"; |
| |
| private final SyncTransactionQueue mSyncQueue; |
| |
| private final SparseArray<State> mTasks = new SparseArray<>(); |
| |
| private static class State { |
| RunningTaskInfo mTaskInfo; |
| SurfaceControl mLeash; |
| } |
| |
| public FreeformTaskListener(SyncTransactionQueue syncQueue) { |
| mSyncQueue = syncQueue; |
| } |
| |
| @Override |
| public void onTaskAppeared(RunningTaskInfo taskInfo, SurfaceControl leash) { |
| if (mTasks.get(taskInfo.taskId) != null) { |
| throw new RuntimeException("Task appeared more than once: #" + taskInfo.taskId); |
| } |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Freeform Task Appeared: #%d", |
| taskInfo.taskId); |
| final State state = new State(); |
| state.mTaskInfo = taskInfo; |
| state.mLeash = leash; |
| mTasks.put(taskInfo.taskId, state); |
| |
| final Rect taskBounds = taskInfo.configuration.windowConfiguration.getBounds(); |
| mSyncQueue.runInSync(t -> { |
| Point taskPosition = taskInfo.positionInParent; |
| t.setPosition(leash, taskPosition.x, taskPosition.y) |
| .setWindowCrop(leash, taskBounds.width(), taskBounds.height()) |
| .show(leash); |
| }); |
| } |
| |
| @Override |
| public void onTaskVanished(RunningTaskInfo taskInfo) { |
| State state = mTasks.get(taskInfo.taskId); |
| if (state == null) { |
| Slog.e(TAG, "Task already vanished: #" + taskInfo.taskId); |
| return; |
| } |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Freeform Task Vanished: #%d", |
| taskInfo.taskId); |
| mTasks.remove(taskInfo.taskId); |
| } |
| |
| @Override |
| public void onTaskInfoChanged(RunningTaskInfo taskInfo) { |
| State state = mTasks.get(taskInfo.taskId); |
| if (state == null) { |
| throw new RuntimeException( |
| "Task info changed before appearing: #" + taskInfo.taskId); |
| } |
| ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TASK_ORG, "Freeform Task Info Changed: #%d", |
| taskInfo.taskId); |
| state.mTaskInfo = taskInfo; |
| |
| final Rect taskBounds = taskInfo.configuration.windowConfiguration.getBounds(); |
| final SurfaceControl leash = state.mLeash; |
| mSyncQueue.runInSync(t -> { |
| Point taskPosition = taskInfo.positionInParent; |
| t.setPosition(leash, taskPosition.x, taskPosition.y) |
| .setWindowCrop(leash, taskBounds.width(), taskBounds.height()) |
| .show(leash); |
| }); |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| pw.println(prefix + this); |
| pw.println(innerPrefix + mTasks.size() + " tasks"); |
| } |
| |
| @Override |
| public String toString() { |
| return TAG; |
| } |
| |
| /** |
| * Checks if freeform support is enabled in system. |
| * |
| * @param context context used to check settings and package manager. |
| * @return {@code true} if freeform is enabled, {@code false} if not. |
| */ |
| public static boolean isFreeformEnabled(Context context) { |
| return context.getPackageManager().hasSystemFeature(FEATURE_FREEFORM_WINDOW_MANAGEMENT) |
| || Settings.Global.getInt(context.getContentResolver(), |
| DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT, 0) != 0; |
| } |
| } |