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      1 /*
      2  * Copyright (c) 2013 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.ims.internal;
     18 
     19 /**
     20  * A listener type for receiving notifications about the changes to
     21  * the IMS connection(registration).
     22  *
     23  * {@hide}
     24  */
     25 interface IImsRegistrationListener {
     26     /**
     27      * Notifies the application when the device is connected to the IMS network.
     28      */
     29     void registrationConnected();
     30 
     31     /**
     32      * Notifies the application when the device is disconnected from the IMS network.
     33      */
     34     void registrationDisconnected();
     35 
     36     /**
     37      * Notifies the application when its suspended IMS connection is resumed,
     38      * meaning the connection now allows throughput.
     39      */
     40     void registrationResumed();
     41 
     42     /**
     43      * Notifies the application when its current IMS connection is suspended,
     44      * meaning there is no data throughput.
     45      */
     46     void registrationSuspended();
     47 
     48     /**
     49      * Notifies the application when its current IMS connection is updated
     50      * since the service setting is changed or the service is added/removed.
     51      *
     52      * @param serviceClass a service class specified in {@link ImsServiceClass}
     53      * @param event an event type when this callback is called
     54      *    If {@code event} is 0, meaning the specified service is removed from the IMS connection.
     55      *    Else ({@code event} is 1), meaning the specified service is added to the IMS connection.
     56      */
     57     void registrationServiceCapabilityChanged(int serviceClass, int event);
     58 
     59     /**
     60      * Notifies the application when features on a particular service enabled or
     61      * disabled successfully based on user preferences.
     62      *
     63      * @param serviceClass a service class specified in {@link ImsServiceClass}
     64      * @param enabledFeatures features enabled as defined in com.android.ims.ImsConfig#FeatureConstants.
     65      * @param disabledFeatures features disabled as defined in com.android.ims.ImsConfig#FeatureConstants.
     66      */
     67     void registrationFeatureCapabilityChanged(int serviceClass,
     68             out int[] enabledFeatures, out int[] disabledFeatures);
     69 }
     70