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.voicemail.impl;
18 
19 import android.annotation.TargetApi;
20 import android.content.Context;
21 import android.os.Build.VERSION_CODES;
22 import android.telecom.PhoneAccountHandle;
23 import android.telecom.TelecomManager;
24 import com.android.voicemail.impl.settings.VisualVoicemailSettingsUtil;
25 
26 /**
27  * When a new package is installed, check if it matches any of the vvm carrier apps of the currently
28  * enabled dialer VVM sources. The dialer VVM client will be disabled upon carrier VVM app
29  * installation, unless it was explicitly enabled by the user.
30  *
31  * <p>The ACTION_PACKAGE_ADDED broadcast can no longer be received. (see
32  * https://developer.android.com/preview/features/background.html#broadcasts) New apps are scanned
33  * when a VVM SMS is received instead, as it can be a result of the carrier VVM app trying to run
34  * activation.
35  */
36 @TargetApi(VERSION_CODES.O)
37 public final class VvmPackageInstallHandler {
38 
39   /**
40    * Iterates through all phone account and disable VVM on a account if {@code packageName} is
41    * listed as a carrier VVM package.
42    */
handlePackageInstalled(Context context)43   public static void handlePackageInstalled(Context context) {
44     // This get called every time an app is installed and will be noisy. Don't log until the app
45     // is identified as a carrier VVM app.
46     for (PhoneAccountHandle phoneAccount :
47         context.getSystemService(TelecomManager.class).getCallCapablePhoneAccounts()) {
48       OmtpVvmCarrierConfigHelper carrierConfigHelper =
49           new OmtpVvmCarrierConfigHelper(context, phoneAccount);
50       if (!carrierConfigHelper.isValid()) {
51         continue;
52       }
53       if (!carrierConfigHelper.isCarrierAppInstalled()) {
54         continue;
55       }
56 
57       // Force deactivate the client.
58       VvmLog.i(
59           "VvmPackageInstallHandler.handlePackageInstalled",
60           "Carrier VVM package installed, disabling system VVM client");
61       VisualVoicemailSettingsUtil.setEnabled(context, phoneAccount, false);
62     }
63   }
64 }
65