1 /* 2 * Copyright (C) 2017 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 17 package com.android.systemui.keyguard; 18 19 import android.app.Activity; 20 import android.app.ActivityManager; 21 import android.app.ActivityOptions; 22 import android.app.IActivityManager; 23 import android.app.KeyguardManager; 24 import android.content.ComponentName; 25 import android.content.Context; 26 import android.content.Intent; 27 import android.os.Bundle; 28 import android.os.RemoteException; 29 import android.os.UserHandle; 30 31 import com.android.internal.annotations.VisibleForTesting; 32 import com.android.systemui.recents.events.EventBus; 33 import com.android.systemui.recents.misc.SystemServicesProxy; 34 import com.android.systemui.recents.misc.SystemServicesProxy.TaskStackListener; 35 36 public class WorkLockActivityController { 37 private final Context mContext; 38 private final SystemServicesProxy mSsp; 39 private final IActivityManager mIam; 40 41 public WorkLockActivityController(Context context) { 42 this(context, SystemServicesProxy.getInstance(context), ActivityManager.getService()); 43 } 44 45 @VisibleForTesting 46 WorkLockActivityController(Context context, SystemServicesProxy ssp, IActivityManager am) { 47 mContext = context; 48 mSsp = ssp; 49 mIam = am; 50 51 mSsp.registerTaskStackListener(mLockListener); 52 } 53 54 private void startWorkChallengeInTask(int taskId, int userId) { 55 Intent intent = new Intent(KeyguardManager.ACTION_CONFIRM_DEVICE_CREDENTIAL_WITH_USER) 56 .setComponent(new ComponentName(mContext, WorkLockActivity.class)) 57 .putExtra(Intent.EXTRA_USER_ID, userId) 58 .putExtra(WorkLockActivity.EXTRA_TASK_DESCRIPTION, mSsp.getTaskDescription(taskId)) 59 .addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT 60 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 61 62 final ActivityOptions options = ActivityOptions.makeBasic(); 63 options.setLaunchTaskId(taskId); 64 options.setTaskOverlay(true, false /* canResume */); 65 66 final int result = startActivityAsUser(intent, options.toBundle(), UserHandle.USER_CURRENT); 67 if (ActivityManager.isStartResultSuccessful(result)) { 68 // OK 69 } else { 70 // Starting the activity inside the task failed. We can't be sure why, so to be 71 // safe just remove the whole task if it still exists. 72 mSsp.removeTask(taskId); 73 } 74 } 75 76 /** 77 * Version of {@link Context#startActivityAsUser} which keeps the success code from 78 * IActivityManager, so we can read back whether ActivityManager thinks it started properly. 79 */ 80 private int startActivityAsUser(Intent intent, Bundle options, int userId) { 81 try { 82 return mIam.startActivityAsUser( 83 mContext.getIApplicationThread() /*caller*/, 84 mContext.getBasePackageName() /*callingPackage*/, 85 intent /*intent*/, 86 intent.resolveTypeIfNeeded(mContext.getContentResolver()) /*resolvedType*/, 87 null /*resultTo*/, 88 null /*resultWho*/, 89 0 /*requestCode*/, 90 Intent.FLAG_ACTIVITY_NEW_TASK /*flags*/, 91 null /*profilerInfo*/, 92 options /*options*/, 93 userId /*user*/); 94 } catch (RemoteException e) { 95 return ActivityManager.START_CANCELED; 96 } catch (Exception e) { 97 return ActivityManager.START_CANCELED; 98 } 99 } 100 101 private final TaskStackListener mLockListener = new TaskStackListener() { 102 @Override 103 public void onTaskProfileLocked(int taskId, int userId) { 104 startWorkChallengeInTask(taskId, userId); 105 } 106 }; 107 } 108