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      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 package com.android.cts.delegate;
     17 
     18 import static android.app.admin.DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED;
     19 import static android.app.admin.DevicePolicyManager.EXTRA_DELEGATION_SCOPES;
     20 
     21 import android.app.Activity;
     22 
     23 import android.content.BroadcastReceiver;
     24 import android.content.Context;
     25 import android.content.Intent;
     26 import android.content.IntentFilter;
     27 
     28 import android.os.Bundle;
     29 
     30 import java.util.List;
     31 
     32 /**
     33  * Simple activity that registers a {@code BroadcastReceiver} for intercepting
     34  * {@link DevicePolicyManager#ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED} intents sent when the
     35  * a DO/PO calls grants this app new delegation scopes via
     36  * {@link DevicePolicyManager#setDelegatedScopes}.
     37  */
     38 public class DelegatedScopesReceiverActivity extends Activity {
     39 
     40     /**
     41      * Broadcast action sent reporting the scopes delegated to this app.
     42      */
     43     private static final String ACTION_REPORT_SCOPES = "com.android.cts.delegate.report_scopes";
     44 
     45     /**
     46      * Broadcast action sent reporting that this app is running.
     47      */
     48     private static final String ACTION_RUNNING = "com.android.cts.delegate.running";
     49 
     50     private final BroadcastReceiver mScopesChangedReceiver = new BroadcastReceiver() {
     51         @Override
     52         public void onReceive(Context context, Intent intent) {
     53             if (ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED.equals(intent.getAction())) {
     54                 handleIntent(intent);
     55             }
     56         }
     57     };
     58 
     59     @Override
     60     protected void onCreate(Bundle savedInstanceState) {
     61         super.onCreate(savedInstanceState);
     62         handleIntent(getIntent());
     63     }
     64 
     65     @Override
     66     protected void onNewIntent(Intent intent) {
     67         super.onNewIntent(intent);
     68         handleIntent(intent);
     69     }
     70 
     71     @Override
     72     protected void onStart() {
     73         super.onStart();
     74         IntentFilter filter = new IntentFilter();
     75         filter.addAction(ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED);
     76         registerReceiver(mScopesChangedReceiver, filter);
     77         sendRunningBroadcast();
     78     }
     79 
     80     @Override
     81     protected void onStop() {
     82         super.onStop();
     83         unregisterReceiver(mScopesChangedReceiver);
     84     }
     85 
     86     private void handleIntent(Intent intent) {
     87         if (intent == null) {
     88             return;
     89         }
     90 
     91         if (ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED.equals(intent.getAction())) {
     92             final List<String> scopes = intent.getStringArrayListExtra(EXTRA_DELEGATION_SCOPES);
     93             sendScopeReportBroadcast(scopes);
     94             finish();
     95         }
     96     }
     97 
     98     private void sendScopeReportBroadcast(List<String> scopes) {
     99         Intent intent = new Intent();
    100         intent.setAction(ACTION_REPORT_SCOPES);
    101         intent.putExtra(EXTRA_DELEGATION_SCOPES, scopes.toArray(new String[scopes.size()]));
    102         sendBroadcast(intent);
    103     }
    104 
    105     private void sendRunningBroadcast() {
    106         Intent intent = new Intent();
    107         intent.setAction(ACTION_RUNNING);
    108         sendBroadcast(intent);
    109     }
    110 }
    111