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      1 /*
      2  * Copyright (C) 2014 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.server.telecom;
     18 
     19 import android.content.BroadcastReceiver;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 
     24 import java.lang.String;
     25 
     26 /**
     27  * Captures {@code android.intent.action.ACTION_PACKAGE_FULLY_REMOVED} intents and triggers the
     28  * removal of associated {@link android.telecom.PhoneAccount}s via the
     29  * {@link com.android.telecom.PhoneAccountRegistrar}.
     30  * Note: This class listens for the {@code PACKAGE_FULLY_REMOVED} intent rather than
     31  * {@code PACKAGE_REMOVED} as {@code PACKAGE_REMOVED} is triggered on re-installation of the same
     32  * package, where {@code PACKAGE_FULLY_REMOVED} is triggered only when an application is completely
     33  * uninstalled.  This is desirable as we do not wish to un-register all
     34  * {@link android.telecom.PhoneAccount}s associated with a package being re-installed to ensure
     35  * the enabled state of the accounts is retained.
     36  */
     37 public class PhoneAccountBroadcastReceiver extends BroadcastReceiver {
     38     /**
     39      * Receives the intents the class is configured to received.
     40      *
     41      * @param context The Context in which the receiver is running.
     42      * @param intent The Intent being received.
     43      */
     44     @Override
     45     public void onReceive(Context context, Intent intent) {
     46         if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(intent.getAction())) {
     47             Uri uri = intent.getData();
     48             if (uri == null) {
     49                 return;
     50             }
     51 
     52             String packageName = uri.getSchemeSpecificPart();
     53             handlePackageRemoved(context, packageName);
     54         }
     55     }
     56 
     57     /**
     58      * Handles the removal of a package by calling upon the {@link PhoneAccountRegistrar} to
     59      * un-register any {@link android.telecom.PhoneAccount}s associated with the package.
     60      *
     61      * @param packageName The name of the removed package.
     62      */
     63     private void handlePackageRemoved(Context context, String packageName) {
     64         final CallsManager callsManager = CallsManager.getInstance();
     65         if (callsManager != null) {
     66             callsManager.getPhoneAccountRegistrar().clearAccounts(packageName);
     67         }
     68     }
     69 }
     70