1 /*
2  * Copyright (C) 2016 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.internal.app;
18 
19 import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_TITLE;
20 import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
21 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
22 
23 import android.app.Activity;
24 import android.app.AlertDialog;
25 import android.app.admin.DevicePolicyManager;
26 import android.content.ComponentName;
27 import android.content.DialogInterface;
28 import android.content.Intent;
29 import android.content.IntentSender;
30 import android.content.pm.ResolveInfo;
31 import android.os.Bundle;
32 import android.os.Handler;
33 import android.os.Looper;
34 import android.os.UserHandle;
35 import android.os.UserManager;
36 import android.telecom.TelecomManager;
37 import android.util.Log;
38 import android.view.Window;
39 
40 import com.android.internal.R;
41 
42 /**
43  * A dialog shown to the user when they try to launch an app from a quiet profile
44  * ({@link UserManager#isQuietModeEnabled(UserHandle)}.
45  */
46 public class UnlaunchableAppActivity extends Activity
47         implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener {
48     private static final String TAG = "UnlaunchableAppActivity";
49 
50     private static final int UNLAUNCHABLE_REASON_QUIET_MODE = 1;
51     private static final String EXTRA_UNLAUNCHABLE_REASON = "unlaunchable_reason";
52 
53     private int mUserId;
54     private int mReason;
55     private IntentSender mTarget;
56     private TelecomManager mTelecomManager;
57 
58     @Override
onCreate(Bundle savedInstanceState)59     protected void onCreate(Bundle savedInstanceState) {
60         super.onCreate(savedInstanceState);
61         // As this activity has nothing to show, we should hide the title bar also
62         // TODO: Use AlertActivity so we don't need to hide title bar and create a dialog
63         requestWindowFeature(Window.FEATURE_NO_TITLE);
64         Intent intent = getIntent();
65         mTelecomManager = getSystemService(TelecomManager.class);
66         mReason = intent.getIntExtra(EXTRA_UNLAUNCHABLE_REASON, -1);
67         mUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
68         mTarget = intent.getParcelableExtra(Intent.EXTRA_INTENT,
69                 android.content.IntentSender.class);
70         String targetPackageName = intent.getStringExtra(Intent.EXTRA_PACKAGE_NAME);
71         Log.i(TAG, "Unlaunchable activity for target package: " + targetPackageName);
72         final UserManager userManager = UserManager.get(this);
73 
74         if (mUserId == UserHandle.USER_NULL) {
75             Log.wtf(TAG, "Invalid user id: " + mUserId + ". Stopping.");
76             finish();
77             return;
78         }
79 
80         if (android.os.Flags.allowPrivateProfile()
81                 && android.multiuser.Flags.enablePrivateSpaceFeatures()
82                 && !userManager.isManagedProfile(mUserId)) {
83             Log.e(TAG, "Unlaunchable activity for target package " + targetPackageName
84                     + " called for a non-managed-profile " + mUserId);
85             finish();
86             return;
87         }
88 
89         if (mReason != UNLAUNCHABLE_REASON_QUIET_MODE) {
90             Log.wtf(TAG, "Invalid unlaunchable type: " + mReason);
91             finish();
92             return;
93         }
94 
95         boolean showEmergencyCallButton =
96                 (targetPackageName != null && targetPackageName.equals(
97                         mTelecomManager.getDefaultDialerPackage(UserHandle.of(mUserId))));
98 
99         final AlertDialog.Builder builder;
100         if (showEmergencyCallButton) {
101             builder = new AlertDialog.Builder(this, R.style.AlertDialogWithEmergencyButton);
102             builder.setNeutralButton(R.string.work_mode_emergency_call_button, this);
103         } else {
104             builder = new AlertDialog.Builder(this);
105         }
106         builder.setTitle(getDialogTitle())
107                 .setOnDismissListener(this)
108                 .setPositiveButton(R.string.work_mode_turn_on, this)
109                 .setNegativeButton(R.string.cancel, null);
110 
111         final AlertDialog dialog = builder.create();
112         dialog.create();
113         if (showEmergencyCallButton) {
114             dialog.getWindow().findViewById(R.id.parentPanel).setPadding(0, 0, 0, 30);
115             dialog.getWindow().findViewById(R.id.button3).setOutlineProvider(null);
116         }
117 
118         // Prevents screen overlay attack.
119         getWindow().setHideOverlayWindows(true);
120         dialog.getButton(DialogInterface.BUTTON_POSITIVE).setFilterTouchesWhenObscured(true);
121         dialog.show();
122     }
123 
getDialogTitle()124     private String getDialogTitle() {
125         return getSystemService(DevicePolicyManager.class).getResources().getString(
126                 UNLAUNCHABLE_APP_WORK_PAUSED_TITLE, () -> getString(R.string.work_mode_off_title));
127     }
128 
129     @Override
onDismiss(DialogInterface dialog)130     public void onDismiss(DialogInterface dialog) {
131         finish();
132     }
133 
134     @Override
onClick(DialogInterface dialog, int which)135     public void onClick(DialogInterface dialog, int which) {
136         if (mReason != UNLAUNCHABLE_REASON_QUIET_MODE) {
137             return;
138         }
139         if (which == DialogInterface.BUTTON_POSITIVE) {
140             UserManager userManager = UserManager.get(this);
141             new Handler(Looper.getMainLooper()).post(
142                     () -> userManager.requestQuietModeEnabled(
143                             /* enableQuietMode= */ false, UserHandle.of(mUserId), mTarget));
144         } else if (which == DialogInterface.BUTTON_NEUTRAL) {
145             launchEmergencyDialer();
146         }
147     }
148 
launchEmergencyDialer()149     private void launchEmergencyDialer() {
150         startActivity(mTelecomManager.createLaunchEmergencyDialerIntent(
151                         null /* number*/)
152                 .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
153                         | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
154                         | Intent.FLAG_ACTIVITY_CLEAR_TOP));
155     }
156 
createBaseIntent()157     private static final Intent createBaseIntent() {
158         Intent intent = new Intent();
159         intent.setComponent(new ComponentName("android", UnlaunchableAppActivity.class.getName()));
160         intent.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
161         return intent;
162     }
163 
createInQuietModeDialogIntent(int userId)164     public static Intent createInQuietModeDialogIntent(int userId) {
165         Intent intent = createBaseIntent();
166         intent.putExtra(EXTRA_UNLAUNCHABLE_REASON, UNLAUNCHABLE_REASON_QUIET_MODE);
167         intent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
168         return intent;
169     }
170 
createInQuietModeDialogIntent(int userId, IntentSender target, ResolveInfo resolveInfo)171     public static Intent createInQuietModeDialogIntent(int userId, IntentSender target,
172             ResolveInfo resolveInfo) {
173         Intent intent = createInQuietModeDialogIntent(userId);
174         intent.putExtra(Intent.EXTRA_INTENT, target);
175         if (resolveInfo != null) {
176             intent.putExtra(Intent.EXTRA_PACKAGE_NAME, resolveInfo.getComponentInfo().packageName);
177         }
178         return intent;
179     }
180 }
181