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      1 /*
      2  * Copyright (C) 2014 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  R* limitations under the License.
     15  */
     16 
     17 package android.telecom;
     18 
     19 import android.net.Uri;
     20 import android.os.Handler;
     21 import android.os.Message;
     22 import android.os.RemoteException;
     23 
     24 import com.android.internal.os.SomeArgs;
     25 import com.android.internal.telecom.IConnectionServiceAdapter;
     26 import com.android.internal.telecom.IVideoProvider;
     27 import com.android.internal.telecom.RemoteServiceCallback;
     28 
     29 import java.util.List;
     30 
     31 /**
     32  * A component that provides an RPC servant implementation of {@link IConnectionServiceAdapter},
     33  * posting incoming messages on the main thread on a client-supplied delegate object.
     34  *
     35  * TODO: Generate this and similar classes using a compiler starting from AIDL interfaces.
     36  *
     37  * @hide
     38  */
     39 final class ConnectionServiceAdapterServant {
     40     private static final int MSG_HANDLE_CREATE_CONNECTION_COMPLETE = 1;
     41     private static final int MSG_SET_ACTIVE = 2;
     42     private static final int MSG_SET_RINGING = 3;
     43     private static final int MSG_SET_DIALING = 4;
     44     private static final int MSG_SET_DISCONNECTED = 5;
     45     private static final int MSG_SET_ON_HOLD = 6;
     46     private static final int MSG_SET_RINGBACK_REQUESTED = 7;
     47     private static final int MSG_SET_CALL_CAPABILITIES = 8;
     48     private static final int MSG_SET_IS_CONFERENCED = 9;
     49     private static final int MSG_ADD_CONFERENCE_CALL = 10;
     50     private static final int MSG_REMOVE_CALL = 11;
     51     private static final int MSG_ON_POST_DIAL_WAIT = 12;
     52     private static final int MSG_QUERY_REMOTE_CALL_SERVICES = 13;
     53     private static final int MSG_SET_VIDEO_STATE = 14;
     54     private static final int MSG_SET_VIDEO_CALL_PROVIDER = 15;
     55     private static final int MSG_SET_IS_VOIP_AUDIO_MODE = 16;
     56     private static final int MSG_SET_STATUS_HINTS = 17;
     57     private static final int MSG_SET_ADDRESS = 18;
     58     private static final int MSG_SET_CALLER_DISPLAY_NAME = 19;
     59     private static final int MSG_SET_CONFERENCEABLE_CONNECTIONS = 20;
     60 
     61     private final IConnectionServiceAdapter mDelegate;
     62 
     63     private final Handler mHandler = new Handler() {
     64         @Override
     65         public void handleMessage(Message msg) {
     66             try {
     67                 internalHandleMessage(msg);
     68             } catch (RemoteException e) {
     69             }
     70         }
     71 
     72         // Internal method defined to centralize handling of RemoteException
     73         private void internalHandleMessage(Message msg) throws RemoteException {
     74             switch (msg.what) {
     75                 case MSG_HANDLE_CREATE_CONNECTION_COMPLETE: {
     76                     SomeArgs args = (SomeArgs) msg.obj;
     77                     try {
     78                         mDelegate.handleCreateConnectionComplete(
     79                                 (String) args.arg1,
     80                                 (ConnectionRequest) args.arg2,
     81                                 (ParcelableConnection) args.arg3);
     82                     } finally {
     83                         args.recycle();
     84                     }
     85                     break;
     86                 }
     87                 case MSG_SET_ACTIVE:
     88                     mDelegate.setActive((String) msg.obj);
     89                     break;
     90                 case MSG_SET_RINGING:
     91                     mDelegate.setRinging((String) msg.obj);
     92                     break;
     93                 case MSG_SET_DIALING:
     94                     mDelegate.setDialing((String) msg.obj);
     95                     break;
     96                 case MSG_SET_DISCONNECTED: {
     97                     SomeArgs args = (SomeArgs) msg.obj;
     98                     try {
     99                         mDelegate.setDisconnected((String) args.arg1, (DisconnectCause) args.arg2);
    100                     } finally {
    101                         args.recycle();
    102                     }
    103                     break;
    104                 }
    105                 case MSG_SET_ON_HOLD:
    106                     mDelegate.setOnHold((String) msg.obj);
    107                     break;
    108                 case MSG_SET_RINGBACK_REQUESTED:
    109                     mDelegate.setRingbackRequested((String) msg.obj, msg.arg1 == 1);
    110                     break;
    111                 case MSG_SET_CALL_CAPABILITIES:
    112                     mDelegate.setCallCapabilities((String) msg.obj, msg.arg1);
    113                     break;
    114                 case MSG_SET_IS_CONFERENCED: {
    115                     SomeArgs args = (SomeArgs) msg.obj;
    116                     try {
    117                         mDelegate.setIsConferenced((String) args.arg1, (String) args.arg2);
    118                     } finally {
    119                         args.recycle();
    120                     }
    121                     break;
    122                 }
    123                 case MSG_ADD_CONFERENCE_CALL: {
    124                     SomeArgs args = (SomeArgs) msg.obj;
    125                     try {
    126                         mDelegate.addConferenceCall(
    127                                 (String) args.arg1, (ParcelableConference) args.arg2);
    128                     } finally {
    129                         args.recycle();
    130                     }
    131                     break;
    132                 }
    133                 case MSG_REMOVE_CALL:
    134                     mDelegate.removeCall((String) msg.obj);
    135                     break;
    136                 case MSG_ON_POST_DIAL_WAIT: {
    137                     SomeArgs args = (SomeArgs) msg.obj;
    138                     try {
    139                         mDelegate.onPostDialWait((String) args.arg1, (String) args.arg2);
    140                     } finally {
    141                         args.recycle();
    142                     }
    143                     break;
    144                 }
    145                 case MSG_QUERY_REMOTE_CALL_SERVICES:
    146                     mDelegate.queryRemoteConnectionServices((RemoteServiceCallback) msg.obj);
    147                     break;
    148                 case MSG_SET_VIDEO_STATE:
    149                     mDelegate.setVideoState((String) msg.obj, msg.arg1);
    150                     break;
    151                 case MSG_SET_VIDEO_CALL_PROVIDER: {
    152                     SomeArgs args = (SomeArgs) msg.obj;
    153                     try {
    154                         mDelegate.setVideoProvider((String) args.arg1,
    155                                 (IVideoProvider) args.arg2);
    156                     } finally {
    157                         args.recycle();
    158                     }
    159                     break;
    160                 }
    161                 case MSG_SET_IS_VOIP_AUDIO_MODE:
    162                     mDelegate.setIsVoipAudioMode((String) msg.obj, msg.arg1 == 1);
    163                     break;
    164                 case MSG_SET_STATUS_HINTS: {
    165                     SomeArgs args = (SomeArgs) msg.obj;
    166                     try {
    167                         mDelegate.setStatusHints((String) args.arg1, (StatusHints) args.arg2);
    168                     } finally {
    169                         args.recycle();
    170                     }
    171                     break;
    172                 }
    173                 case MSG_SET_ADDRESS: {
    174                     SomeArgs args = (SomeArgs) msg.obj;
    175                     try {
    176                         mDelegate.setAddress((String) args.arg1, (Uri) args.arg2, args.argi1);
    177                     } finally {
    178                         args.recycle();
    179                     }
    180                     break;
    181                 }
    182                 case MSG_SET_CALLER_DISPLAY_NAME: {
    183                     SomeArgs args = (SomeArgs) msg.obj;
    184                     try {
    185                         mDelegate.setCallerDisplayName(
    186                                 (String) args.arg1, (String) args.arg2, args.argi1);
    187                     } finally {
    188                         args.recycle();
    189                     }
    190                     break;
    191                 }
    192                 case MSG_SET_CONFERENCEABLE_CONNECTIONS: {
    193                     SomeArgs args = (SomeArgs) msg.obj;
    194                     try {
    195                         mDelegate.setConferenceableConnections(
    196                                 (String) args.arg1, (List<String>) args.arg2);
    197                     } finally {
    198                         args.recycle();
    199                     }
    200                     break;
    201                 }
    202             }
    203         }
    204     };
    205 
    206     private final IConnectionServiceAdapter mStub = new IConnectionServiceAdapter.Stub() {
    207         @Override
    208         public void handleCreateConnectionComplete(
    209                 String id,
    210                 ConnectionRequest request,
    211                 ParcelableConnection connection) {
    212             SomeArgs args = SomeArgs.obtain();
    213             args.arg1 = id;
    214             args.arg2 = request;
    215             args.arg3 = connection;
    216             mHandler.obtainMessage(MSG_HANDLE_CREATE_CONNECTION_COMPLETE, args).sendToTarget();
    217         }
    218 
    219         @Override
    220         public void setActive(String connectionId) {
    221             mHandler.obtainMessage(MSG_SET_ACTIVE, connectionId).sendToTarget();
    222         }
    223 
    224         @Override
    225         public void setRinging(String connectionId) {
    226             mHandler.obtainMessage(MSG_SET_RINGING, connectionId).sendToTarget();
    227         }
    228 
    229         @Override
    230         public void setDialing(String connectionId) {
    231             mHandler.obtainMessage(MSG_SET_DIALING, connectionId).sendToTarget();
    232         }
    233 
    234         @Override
    235         public void setDisconnected(
    236                 String connectionId, DisconnectCause disconnectCause) {
    237             SomeArgs args = SomeArgs.obtain();
    238             args.arg1 = connectionId;
    239             args.arg2 = disconnectCause;
    240             mHandler.obtainMessage(MSG_SET_DISCONNECTED, args).sendToTarget();
    241         }
    242 
    243         @Override
    244         public void setOnHold(String connectionId) {
    245             mHandler.obtainMessage(MSG_SET_ON_HOLD, connectionId).sendToTarget();
    246         }
    247 
    248         @Override
    249         public void setRingbackRequested(String connectionId, boolean ringback) {
    250             mHandler.obtainMessage(MSG_SET_RINGBACK_REQUESTED, ringback ? 1 : 0, 0, connectionId)
    251                     .sendToTarget();
    252         }
    253 
    254         @Override
    255         public void setCallCapabilities(String connectionId, int callCapabilities) {
    256             mHandler.obtainMessage(MSG_SET_CALL_CAPABILITIES, callCapabilities, 0, connectionId)
    257                     .sendToTarget();
    258         }
    259 
    260         @Override
    261         public void setIsConferenced(String callId, String conferenceCallId) {
    262             SomeArgs args = SomeArgs.obtain();
    263             args.arg1 = callId;
    264             args.arg2 = conferenceCallId;
    265             mHandler.obtainMessage(MSG_SET_IS_CONFERENCED, args).sendToTarget();
    266         }
    267 
    268         @Override
    269         public void addConferenceCall(String callId, ParcelableConference parcelableConference) {
    270             SomeArgs args = SomeArgs.obtain();
    271             args.arg1 = callId;
    272             args.arg2 = parcelableConference;
    273             mHandler.obtainMessage(MSG_ADD_CONFERENCE_CALL, args).sendToTarget();
    274         }
    275 
    276         @Override
    277         public void removeCall(String connectionId) {
    278             mHandler.obtainMessage(MSG_REMOVE_CALL, connectionId).sendToTarget();
    279         }
    280 
    281         @Override
    282         public void onPostDialWait(String connectionId, String remainingDigits) {
    283             SomeArgs args = SomeArgs.obtain();
    284             args.arg1 = connectionId;
    285             args.arg2 = remainingDigits;
    286             mHandler.obtainMessage(MSG_ON_POST_DIAL_WAIT, args).sendToTarget();
    287         }
    288 
    289         @Override
    290         public void queryRemoteConnectionServices(RemoteServiceCallback callback) {
    291             mHandler.obtainMessage(MSG_QUERY_REMOTE_CALL_SERVICES, callback).sendToTarget();
    292         }
    293 
    294         @Override
    295         public void setVideoState(String connectionId, int videoState) {
    296             mHandler.obtainMessage(MSG_SET_VIDEO_STATE, videoState, 0, connectionId).sendToTarget();
    297         }
    298 
    299         @Override
    300         public void setVideoProvider(String connectionId, IVideoProvider videoProvider) {
    301             SomeArgs args = SomeArgs.obtain();
    302             args.arg1 = connectionId;
    303             args.arg2 = videoProvider;
    304             mHandler.obtainMessage(MSG_SET_VIDEO_CALL_PROVIDER, args).sendToTarget();
    305         }
    306 
    307         @Override
    308         public final void setIsVoipAudioMode(String connectionId, boolean isVoip) {
    309             mHandler.obtainMessage(MSG_SET_IS_VOIP_AUDIO_MODE, isVoip ? 1 : 0, 0,
    310                     connectionId).sendToTarget();
    311         }
    312 
    313         @Override
    314         public final void setStatusHints(String connectionId, StatusHints statusHints) {
    315             SomeArgs args = SomeArgs.obtain();
    316             args.arg1 = connectionId;
    317             args.arg2 = statusHints;
    318             mHandler.obtainMessage(MSG_SET_STATUS_HINTS, args).sendToTarget();
    319         }
    320 
    321         @Override
    322         public final void setAddress(String connectionId, Uri address, int presentation) {
    323             SomeArgs args = SomeArgs.obtain();
    324             args.arg1 = connectionId;
    325             args.arg2 = address;
    326             args.argi1 = presentation;
    327             mHandler.obtainMessage(MSG_SET_ADDRESS, args).sendToTarget();
    328         }
    329 
    330         @Override
    331         public final void setCallerDisplayName(
    332                 String connectionId, String callerDisplayName, int presentation) {
    333             SomeArgs args = SomeArgs.obtain();
    334             args.arg1 = connectionId;
    335             args.arg2 = callerDisplayName;
    336             args.argi1 = presentation;
    337             mHandler.obtainMessage(MSG_SET_CALLER_DISPLAY_NAME, args).sendToTarget();
    338         }
    339 
    340         @Override
    341         public final void setConferenceableConnections(
    342                 String connectionId, List<String> conferenceableConnectionIds) {
    343             SomeArgs args = SomeArgs.obtain();
    344             args.arg1 = connectionId;
    345             args.arg2 = conferenceableConnectionIds;
    346             mHandler.obtainMessage(MSG_SET_CONFERENCEABLE_CONNECTIONS, args).sendToTarget();
    347         }
    348     };
    349 
    350     public ConnectionServiceAdapterServant(IConnectionServiceAdapter delegate) {
    351         mDelegate = delegate;
    352     }
    353 
    354     public IConnectionServiceAdapter getStub() {
    355         return mStub;
    356     }
    357 }
    358