| /* |
| * Copyright (C) 2016 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.stackdivider; |
| |
| import static com.android.systemui.stackdivider.ForcedResizableInfoActivity |
| .EXTRA_FORCED_RESIZEABLE_REASON; |
| |
| import android.app.ActivityOptions; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| import android.util.ArraySet; |
| import android.widget.Toast; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.recents.events.EventBus; |
| import com.android.systemui.recents.events.activity.AppTransitionFinishedEvent; |
| import com.android.systemui.recents.events.component.ShowUserToastEvent; |
| import com.android.systemui.recents.misc.SysUiTaskStackChangeListener; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.stackdivider.events.StartedDragingEvent; |
| import com.android.systemui.stackdivider.events.StoppedDragingEvent; |
| |
| /** |
| * Controller that decides when to show the {@link ForcedResizableInfoActivity}. |
| */ |
| public class ForcedResizableInfoActivityController { |
| |
| private static final String SELF_PACKAGE_NAME = "com.android.systemui"; |
| |
| private static final int TIMEOUT = 1000; |
| private final Context mContext; |
| private final Handler mHandler = new Handler(); |
| private final ArraySet<PendingTaskRecord> mPendingTasks = new ArraySet<>(); |
| private final ArraySet<String> mPackagesShownInSession = new ArraySet<>(); |
| private boolean mDividerDraging; |
| |
| private final Runnable mTimeoutRunnable = new Runnable() { |
| @Override |
| public void run() { |
| showPending(); |
| } |
| }; |
| |
| /** Record of force resized task that's pending to be handled. */ |
| private class PendingTaskRecord { |
| int taskId; |
| /** |
| * {@link android.app.ITaskStackListener#FORCED_RESIZEABLE_REASON_SPLIT_SCREEN} or |
| * {@link android.app.ITaskStackListener#FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY} |
| */ |
| int reason; |
| |
| PendingTaskRecord(int taskId, int reason) { |
| this.taskId = taskId; |
| this.reason = reason; |
| } |
| } |
| |
| public ForcedResizableInfoActivityController(Context context) { |
| mContext = context; |
| EventBus.getDefault().register(this); |
| SystemServicesProxy.getInstance(context).registerTaskStackListener( |
| new SysUiTaskStackChangeListener() { |
| @Override |
| public void onActivityForcedResizable(String packageName, int taskId, |
| int reason) { |
| activityForcedResizable(packageName, taskId, reason); |
| } |
| |
| @Override |
| public void onActivityDismissingDockedStack() { |
| activityDismissingDockedStack(); |
| } |
| |
| @Override |
| public void onActivityLaunchOnSecondaryDisplayFailed() { |
| activityLaunchOnSecondaryDisplayFailed(); |
| } |
| }); |
| } |
| |
| public void notifyDockedStackExistsChanged(boolean exists) { |
| if (!exists) { |
| mPackagesShownInSession.clear(); |
| } |
| } |
| |
| public final void onBusEvent(AppTransitionFinishedEvent event) { |
| if (!mDividerDraging) { |
| showPending(); |
| } |
| } |
| |
| public final void onBusEvent(StartedDragingEvent event) { |
| mDividerDraging = true; |
| mHandler.removeCallbacks(mTimeoutRunnable); |
| } |
| |
| public final void onBusEvent(StoppedDragingEvent event) { |
| mDividerDraging = false; |
| showPending(); |
| } |
| |
| private void activityForcedResizable(String packageName, int taskId, int reason) { |
| if (debounce(packageName)) { |
| return; |
| } |
| mPendingTasks.add(new PendingTaskRecord(taskId, reason)); |
| postTimeout(); |
| } |
| |
| private void activityDismissingDockedStack() { |
| EventBus.getDefault().send(new ShowUserToastEvent( |
| R.string.dock_non_resizeble_failed_to_dock_text, Toast.LENGTH_SHORT)); |
| } |
| |
| private void activityLaunchOnSecondaryDisplayFailed() { |
| EventBus.getDefault().send(new ShowUserToastEvent( |
| R.string.activity_launch_on_secondary_display_failed_text, Toast.LENGTH_SHORT)); |
| } |
| |
| private void showPending() { |
| mHandler.removeCallbacks(mTimeoutRunnable); |
| for (int i = mPendingTasks.size() - 1; i >= 0; i--) { |
| PendingTaskRecord pendingRecord = mPendingTasks.valueAt(i); |
| Intent intent = new Intent(mContext, ForcedResizableInfoActivity.class); |
| ActivityOptions options = ActivityOptions.makeBasic(); |
| options.setLaunchTaskId(pendingRecord.taskId); |
| // Set as task overlay and allow to resume, so that when an app enters split-screen and |
| // becomes paused, the overlay will still be shown. |
| options.setTaskOverlay(true, true /* canResume */); |
| intent.putExtra(EXTRA_FORCED_RESIZEABLE_REASON, pendingRecord.reason); |
| mContext.startActivityAsUser(intent, options.toBundle(), UserHandle.CURRENT); |
| } |
| mPendingTasks.clear(); |
| } |
| |
| private void postTimeout() { |
| mHandler.removeCallbacks(mTimeoutRunnable); |
| mHandler.postDelayed(mTimeoutRunnable, TIMEOUT); |
| } |
| |
| private boolean debounce(String packageName) { |
| if (packageName == null) { |
| return false; |
| } |
| |
| // We launch ForcedResizableInfoActivity into a task that was forced resizable, so that |
| // triggers another notification. So ignore our own activity. |
| if (SELF_PACKAGE_NAME.equals(packageName)) { |
| return true; |
| } |
| boolean debounce = mPackagesShownInSession.contains(packageName); |
| mPackagesShownInSession.add(packageName); |
| return debounce; |
| } |
| } |