/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.keyguard;
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import android.app.ActivityManager;
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import android.app.ActivityOptions;
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import android.app.ActivityTaskManager;
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import android.app.IActivityTaskManager;
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import android.app.KeyguardManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.os.UserHandle;
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import android.util.Log;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.systemui.shared.system.ActivityManagerWrapper;
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import com.android.systemui.shared.system.TaskStackChangeListener;
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public class WorkLockActivityController {
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private static final String TAG = WorkLockActivityController.class.getSimpleName();
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private final Context mContext;
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private final IActivityTaskManager mIatm;
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public WorkLockActivityController(Context context) {
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this(context, ActivityManagerWrapper.getInstance(), ActivityTaskManager.getService());
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}
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@VisibleForTesting
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WorkLockActivityController(
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Context context, ActivityManagerWrapper am, IActivityTaskManager iAtm) {
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mContext = context;
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mIatm = iAtm;
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am.registerTaskStackListener(mLockListener);
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}
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private void startWorkChallengeInTask(int taskId, int userId) {
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ActivityManager.TaskDescription taskDescription = null;
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try {
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taskDescription = mIatm.getTaskDescription(taskId);
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} catch (RemoteException e) {
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Log.w(TAG, "Failed to get description for task=" + taskId);
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}
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Intent intent = new Intent(KeyguardManager.ACTION_CONFIRM_DEVICE_CREDENTIAL_WITH_USER)
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.setComponent(new ComponentName(mContext, WorkLockActivity.class))
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.putExtra(Intent.EXTRA_USER_ID, userId)
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.putExtra(WorkLockActivity.EXTRA_TASK_DESCRIPTION, taskDescription)
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.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT
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| Intent.FLAG_ACTIVITY_CLEAR_TOP);
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final ActivityOptions options = ActivityOptions.makeBasic();
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options.setLaunchTaskId(taskId);
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options.setTaskOverlay(true, false /* canResume */);
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final int result = startActivityAsUser(intent, options.toBundle(), UserHandle.USER_CURRENT);
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if (ActivityManager.isStartResultSuccessful(result)) {
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// OK
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} else {
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// Starting the activity inside the task failed. We can't be sure why, so to be
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// safe just remove the whole task if it still exists.
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try {
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mIatm.removeTask(taskId);
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} catch (RemoteException e) {
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Log.w(TAG, "Failed to get description for task=" + taskId);
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}
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}
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}
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/**
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* Version of {@link Context#startActivityAsUser} which keeps the success code from
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* IActivityManager, so we can read back whether ActivityManager thinks it started properly.
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*/
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private int startActivityAsUser(Intent intent, Bundle options, int userId) {
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try {
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return mIatm.startActivityAsUser(
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mContext.getIApplicationThread() /*caller*/,
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mContext.getBasePackageName() /*callingPackage*/,
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intent /*intent*/,
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intent.resolveTypeIfNeeded(mContext.getContentResolver()) /*resolvedType*/,
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null /*resultTo*/,
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null /*resultWho*/,
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0 /*requestCode*/,
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Intent.FLAG_ACTIVITY_NEW_TASK /*flags*/,
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null /*profilerInfo*/,
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options /*options*/,
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userId /*user*/);
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} catch (RemoteException e) {
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return ActivityManager.START_CANCELED;
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} catch (Exception e) {
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return ActivityManager.START_CANCELED;
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}
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}
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private final TaskStackChangeListener mLockListener = new TaskStackChangeListener() {
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@Override
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public void onTaskProfileLocked(int taskId, int userId) {
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startWorkChallengeInTask(taskId, userId);
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}
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};
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}
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