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      1 /*
      2  * Copyright (C) 2015 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.Context;
     20 import android.content.pm.PackageManager;
     21 import android.content.pm.UserInfo;
     22 import android.media.AudioManager;
     23 import android.media.RingtoneManager;
     24 import android.media.Ringtone;
     25 import android.net.Uri;
     26 import android.os.UserHandle;
     27 import android.os.UserManager;
     28 import android.provider.Settings;
     29 import android.telecom.PhoneAccount;
     30 import android.text.TextUtils;
     31 
     32 import com.android.internal.annotations.VisibleForTesting;
     33 import com.android.internal.telephony.CallerInfo;
     34 
     35 import java.util.List;
     36 
     37 /**
     38  * Uses the incoming {@link Call}'s ringtone URI (obtained by the Contact Lookup) to obtain a
     39  * {@link Ringtone} from the {@link RingtoneManager} that can be played by the system during an
     40  * incoming call. If the ringtone URI is null, use the default Ringtone for the active user.
     41  */
     42 @VisibleForTesting
     43 public class RingtoneFactory {
     44 
     45     private final Context mContext;
     46     private final CallsManager mCallsManager;
     47 
     48     public RingtoneFactory(CallsManager callsManager, Context context) {
     49         mContext = context;
     50         mCallsManager = callsManager;
     51     }
     52 
     53     public Ringtone getRingtone(Call incomingCall) {
     54         // Use the default ringtone of the work profile if the contact is a work profile contact.
     55         Context userContext = isWorkContact(incomingCall) ?
     56                 getWorkProfileContextForUser(mCallsManager.getCurrentUserHandle()) :
     57                 getContextForUserHandle(mCallsManager.getCurrentUserHandle());
     58         Uri ringtoneUri = incomingCall.getRingtone();
     59         Ringtone ringtone = null;
     60 
     61         if(ringtoneUri != null && userContext != null) {
     62             // Ringtone URI is explicitly specified. First, try to create a Ringtone with that.
     63             ringtone = RingtoneManager.getRingtone(userContext, ringtoneUri);
     64         }
     65         if(ringtone == null) {
     66             // Contact didn't specify ringtone or custom Ringtone creation failed. Get default
     67             // ringtone for user or profile.
     68             ringtone = RingtoneManager.getRingtone(
     69                     hasDefaultRingtoneForUser(userContext) ? userContext : mContext,
     70                     Settings.System.DEFAULT_RINGTONE_URI);
     71         }
     72         if (ringtone != null) {
     73             ringtone.setStreamType(AudioManager.STREAM_RING);
     74         }
     75         return ringtone;
     76     }
     77 
     78     private Context getWorkProfileContextForUser(UserHandle userHandle) {
     79         // UserManager.getEnabledProfiles returns the enabled profiles along with the user's handle
     80         // itself (so we must filter out the user).
     81         List<UserInfo> profiles = UserManager.get(mContext).getEnabledProfiles(
     82                 userHandle.getIdentifier());
     83         UserInfo workprofile = null;
     84         int managedProfileCount = 0;
     85         for (UserInfo profile : profiles) {
     86             UserHandle profileUserHandle = profile.getUserHandle();
     87             if (profileUserHandle != userHandle && profile.isManagedProfile()) {
     88                 managedProfileCount++;
     89                 workprofile = profile;
     90             }
     91         }
     92         // There may be many different types of profiles, so only count Managed (Work) Profiles.
     93         if(managedProfileCount == 1) {
     94             return getContextForUserHandle(workprofile.getUserHandle());
     95         }
     96         // There are multiple managed profiles for the associated user and we do not have enough
     97         // info to determine which profile is the work profile. Just use the default.
     98         return null;
     99     }
    100 
    101     private Context getContextForUserHandle(UserHandle userHandle) {
    102         if(userHandle == null) {
    103             return null;
    104         }
    105         try {
    106             return mContext.createPackageContextAsUser(mContext.getPackageName(), 0, userHandle);
    107         } catch (PackageManager.NameNotFoundException e) {
    108             Log.w("RingtoneFactory", "Package name not found: " + e.getMessage());
    109         }
    110         return null;
    111     }
    112 
    113     private boolean hasDefaultRingtoneForUser(Context userContext) {
    114         if(userContext == null) {
    115             return false;
    116         }
    117         return !TextUtils.isEmpty(Settings.System.getString(userContext.getContentResolver(),
    118                 Settings.System.RINGTONE));
    119     }
    120 
    121     private boolean isWorkContact(Call incomingCall) {
    122         CallerInfo contactCallerInfo = incomingCall.getCallerInfo();
    123         return (contactCallerInfo != null) &&
    124                 (contactCallerInfo.userType == CallerInfo.USER_TYPE_WORK);
    125     }
    126 }
    127