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      1 /*
      2  * Copyright (C) 2008 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.providers.downloads;
     18 
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.content.pm.PackageManager.NameNotFoundException;
     22 import android.net.Network;
     23 import android.net.NetworkInfo;
     24 
     25 import java.security.GeneralSecurityException;
     26 import javax.net.ssl.SSLContext;
     27 
     28 interface SystemFacade {
     29     /**
     30      * @see System#currentTimeMillis()
     31      */
     32     public long currentTimeMillis();
     33 
     34     public Network getActiveNetwork(int uid, boolean ignoreBlocked);
     35 
     36     public NetworkInfo getNetworkInfo(Network network, int uid, boolean ignoreBlocked);
     37 
     38     /**
     39      * @return maximum size, in bytes, of downloads that may go over a mobile connection; or null if
     40      * there's no limit
     41      */
     42     public long getMaxBytesOverMobile();
     43 
     44     /**
     45      * @return recommended maximum size, in bytes, of downloads that may go over a mobile
     46      * connection; or null if there's no recommended limit.  The user will have the option to bypass
     47      * this limit.
     48      */
     49     public long getRecommendedMaxBytesOverMobile();
     50 
     51     /**
     52      * Send a broadcast intent.
     53      */
     54     public void sendBroadcast(Intent intent);
     55 
     56     /**
     57      * Returns true if the specified UID owns the specified package name.
     58      */
     59     public boolean userOwnsPackage(int uid, String pckg) throws NameNotFoundException;
     60 
     61     /**
     62      * Returns true if cleartext network traffic is permitted for the specified UID.
     63      */
     64     public boolean isCleartextTrafficPermitted(int uid);
     65 
     66     /**
     67      * Return a {@link SSLContext} configured using the specified package's configuration.
     68      */
     69     public SSLContext getSSLContextForPackage(Context context, String pckg)
     70             throws GeneralSecurityException;
     71 }
     72