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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 package com.android.settings.applications;
     15 
     16 import android.content.Context;
     17 import android.os.RemoteException;
     18 import android.os.ServiceManager;
     19 import com.android.internal.telephony.ISms;
     20 import com.android.internal.telephony.SmsUsageMonitor;
     21 import com.android.settingslib.applications.ApplicationsState;
     22 import com.android.settingslib.applications.ApplicationsState.AppEntry;
     23 import com.android.settingslib.applications.ApplicationsState.AppFilter;
     24 
     25 import java.util.ArrayList;
     26 
     27 /**
     28  * Connects the info provided by ApplicationsState and premium sms permission state.
     29  */
     30 public class AppStateSmsPremBridge extends AppStateBaseBridge {
     31 
     32     private final Context mContext;
     33     private final ISms mSmsManager;
     34 
     35     public AppStateSmsPremBridge(Context context, ApplicationsState appState, Callback callback) {
     36         super(appState, callback);
     37         mContext = context;
     38         mSmsManager = ISms.Stub.asInterface(ServiceManager.getService("isms"));
     39     }
     40 
     41     @Override
     42     protected void loadAllExtraInfo() {
     43         ArrayList<AppEntry> apps = mAppSession.getAllApps();
     44         final int N = apps.size();
     45         for (int i = 0; i < N; i++) {
     46             AppEntry app = apps.get(i);
     47             updateExtraInfo(app, app.info.packageName, app.info.uid);
     48         }
     49     }
     50 
     51     @Override
     52     protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
     53         app.extraInfo = getState(pkg);
     54     }
     55 
     56     public SmsState getState(String pkg) {
     57         final SmsState state = new SmsState();
     58         state.smsState = getSmsState(pkg);
     59         return state;
     60     }
     61 
     62     private int getSmsState(String pkg) {
     63         try {
     64             return mSmsManager.getPremiumSmsPermission(pkg);
     65         } catch (RemoteException e) {
     66             return SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
     67         }
     68     }
     69 
     70     public void setSmsState(String pkg, int state) {
     71         try {
     72             mSmsManager.setPremiumSmsPermission(pkg, state);
     73         } catch (RemoteException e) {
     74         }
     75     }
     76 
     77     public static class SmsState {
     78         public int smsState;
     79 
     80         public boolean isGranted() {
     81             return smsState == SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW;
     82         }
     83     }
     84 
     85     public static final AppFilter FILTER_APP_PREMIUM_SMS = new AppFilter() {
     86         @Override
     87         public void init() {
     88         }
     89 
     90         @Override
     91         public boolean filterApp(AppEntry info) {
     92             return info.extraInfo instanceof SmsState && ((SmsState) info.extraInfo).smsState
     93                     != SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
     94         }
     95     };
     96 }
     97