1 /*
2  * Copyright (C) 2020 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.rcs.uce.options;
18 
19 import android.annotation.NonNull;
20 import android.content.Context;
21 import android.net.Uri;
22 import android.os.RemoteException;
23 import android.telephony.ims.aidl.IOptionsResponseCallback;
24 import android.telephony.ims.stub.RcsCapabilityExchangeImplBase;
25 import android.util.Log;
26 
27 import com.android.ims.RcsFeatureManager;
28 import com.android.ims.rcs.uce.util.UceUtils;
29 
30 import java.util.ArrayList;
31 import java.util.Set;
32 
33 /**
34  * The implementation of OptionsController.
35  */
36 public class OptionsControllerImpl implements OptionsController {
37 
38     private static final String LOG_TAG = UceUtils.getLogPrefix() + "OptionsController";
39 
40     private final int mSubId;
41     private final Context mContext;
42     private volatile boolean mIsDestroyedFlag;
43     private volatile RcsFeatureManager mRcsFeatureManager;
44 
OptionsControllerImpl(Context context, int subId)45     public OptionsControllerImpl(Context context, int subId) {
46         mSubId = subId;
47         mContext = context;
48     }
49 
50     @Override
onRcsConnected(RcsFeatureManager manager)51     public void onRcsConnected(RcsFeatureManager manager) {
52         mRcsFeatureManager = manager;
53     }
54 
55     @Override
onRcsDisconnected()56     public void onRcsDisconnected() {
57         mRcsFeatureManager = null;
58     }
59 
60     @Override
onDestroy()61     public void onDestroy() {
62         mIsDestroyedFlag = true;
63         mRcsFeatureManager = null;
64     }
65 
66     @Override
onCarrierConfigChanged()67     public void onCarrierConfigChanged() {
68         // Nothing required here.
69     }
70 
sendCapabilitiesRequest(Uri contactUri, @NonNull Set<String> deviceFeatureTags, IOptionsResponseCallback c)71     public void sendCapabilitiesRequest(Uri contactUri, @NonNull Set<String> deviceFeatureTags,
72             IOptionsResponseCallback c) throws RemoteException {
73 
74         if (mIsDestroyedFlag) {
75             throw new RemoteException("OPTIONS controller is destroyed");
76         }
77 
78         RcsFeatureManager featureManager = mRcsFeatureManager;
79         if (featureManager == null) {
80             Log.w(LOG_TAG, "sendCapabilitiesRequest: Service is unavailable");
81             c.onCommandError(RcsCapabilityExchangeImplBase.COMMAND_CODE_SERVICE_UNAVAILABLE);
82             return;
83         }
84 
85         featureManager.sendOptionsCapabilityRequest(contactUri, new ArrayList<>(deviceFeatureTags),
86             c);
87     }
88 }
89