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.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
20 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
21 
22 import android.app.Activity;
23 import android.app.AlertDialog;
24 import android.app.admin.DevicePolicyManager;
25 import android.content.ComponentName;
26 import android.content.Context;
27 import android.content.DialogInterface;
28 import android.content.Intent;
29 import android.content.IntentSender;
30 import android.content.pm.ApplicationInfo;
31 import android.content.pm.PackageManager;
32 import android.content.pm.PackageManager.NameNotFoundException;
33 import android.os.Bundle;
34 import android.os.UserHandle;
35 import android.os.UserManager;
36 import android.text.TextUtils;
37 import android.util.Log;
38 import android.view.LayoutInflater;
39 import android.view.View;
40 import android.widget.TextView;
41 
42 import com.android.internal.R;
43 
44 /**
45  * A dialog shown to the user when they try to launch an app from a quiet profile
46  * ({@link UserManager#isQuietModeEnabled(UserHandle)}.
47  */
48 public class UnlaunchableAppActivity extends Activity
49         implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener {
50     private static final String TAG = "UnlaunchableAppActivity";
51 
52     private static final int UNLAUNCHABLE_REASON_QUIET_MODE = 1;
53     private static final String EXTRA_UNLAUNCHABLE_REASON = "unlaunchable_reason";
54 
55     private int mUserId;
56     private int mReason;
57     private IntentSender mTarget;
58 
59     @Override
onCreate(Bundle savedInstanceState)60     protected void onCreate(Bundle savedInstanceState) {
61         super.onCreate(savedInstanceState);
62         Intent intent = getIntent();
63         mReason = intent.getIntExtra(EXTRA_UNLAUNCHABLE_REASON, -1);
64         mUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
65         mTarget = intent.getParcelableExtra(Intent.EXTRA_INTENT);
66 
67         if (mUserId == UserHandle.USER_NULL) {
68             Log.wtf(TAG, "Invalid user id: " + mUserId + ". Stopping.");
69             finish();
70             return;
71         }
72 
73         String dialogTitle;
74         String dialogMessage = null;
75         if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE) {
76             dialogTitle = getResources().getString(R.string.work_mode_off_title);
77             dialogMessage = getResources().getString(R.string.work_mode_off_message);
78         } else {
79             Log.wtf(TAG, "Invalid unlaunchable type: " + mReason);
80             finish();
81             return;
82         }
83 
84         View rootView = LayoutInflater.from(this).inflate(R.layout.unlaunchable_app_activity, null);
85         TextView titleView = (TextView)rootView.findViewById(R.id.unlaunchable_app_title);
86         TextView messageView = (TextView)rootView.findViewById(R.id.unlaunchable_app_message);
87         titleView.setText(dialogTitle);
88         messageView.setText(dialogMessage);
89 
90         AlertDialog.Builder builder = new AlertDialog.Builder(this)
91                 .setView(rootView)
92                 .setOnDismissListener(this);
93         if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE) {
94             builder.setPositiveButton(R.string.work_mode_turn_on, this)
95                     .setNegativeButton(R.string.cancel, null);
96         } else {
97             builder.setPositiveButton(R.string.ok, null);
98         }
99         builder.show();
100     }
101 
102     @Override
onDismiss(DialogInterface dialog)103     public void onDismiss(DialogInterface dialog) {
104         finish();
105     }
106 
107     @Override
onClick(DialogInterface dialog, int which)108     public void onClick(DialogInterface dialog, int which) {
109         if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE && which == DialogInterface.BUTTON_POSITIVE) {
110             if (UserManager.get(this).trySetQuietModeDisabled(mUserId, mTarget)
111                     && mTarget != null) {
112                 try {
113                     startIntentSenderForResult(mTarget, -1, null, 0, 0, 0);
114                 } catch (IntentSender.SendIntentException e) {
115                     /* ignore */
116                 }
117             }
118         }
119     }
120 
createBaseIntent()121     private static final Intent createBaseIntent() {
122         Intent intent = new Intent();
123         intent.setComponent(new ComponentName("android", UnlaunchableAppActivity.class.getName()));
124         intent.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
125         return intent;
126     }
127 
createInQuietModeDialogIntent(int userId)128     public static Intent createInQuietModeDialogIntent(int userId) {
129         Intent intent = createBaseIntent();
130         intent.putExtra(EXTRA_UNLAUNCHABLE_REASON, UNLAUNCHABLE_REASON_QUIET_MODE);
131         intent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
132         return intent;
133     }
134 
createInQuietModeDialogIntent(int userId, IntentSender target)135     public static Intent createInQuietModeDialogIntent(int userId, IntentSender target) {
136         Intent intent = createInQuietModeDialogIntent(userId);
137         intent.putExtra(Intent.EXTRA_INTENT, target);
138         return intent;
139     }
140 }
141