1 /* 2 * Copyright (C) 2017 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 android.telephony.ims; 18 19 import android.app.PendingIntent; 20 import android.os.IBinder; 21 import android.os.Message; 22 import android.os.RemoteException; 23 import android.telephony.ims.feature.IMMTelFeature; 24 import android.telephony.ims.feature.ImsFeature; 25 26 import com.android.ims.ImsCallProfile; 27 import com.android.ims.internal.IImsCallSession; 28 import com.android.ims.internal.IImsCallSessionListener; 29 import com.android.ims.internal.IImsConfig; 30 import com.android.ims.internal.IImsEcbm; 31 import com.android.ims.internal.IImsMultiEndpoint; 32 import com.android.ims.internal.IImsRegistrationListener; 33 import com.android.ims.internal.IImsService; 34 import com.android.ims.internal.IImsUt; 35 36 /** 37 * Compatibility class that implements the new ImsService IMMTelFeature interface, but 38 * uses the old IImsService interface to support older devices that implement the deprecated 39 * opt/net/ims interface. 40 * @hide 41 */ 42 43 public class ImsServiceProxyCompat implements IMMTelFeature { 44 45 private static final int SERVICE_ID = ImsFeature.MMTEL; 46 47 protected final int mSlotId; 48 protected IBinder mBinder; 49 ImsServiceProxyCompat(int slotId, IBinder binder)50 public ImsServiceProxyCompat(int slotId, IBinder binder) { 51 mSlotId = slotId; 52 mBinder = binder; 53 } 54 55 @Override startSession(PendingIntent incomingCallIntent, IImsRegistrationListener listener)56 public int startSession(PendingIntent incomingCallIntent, IImsRegistrationListener listener) 57 throws RemoteException { 58 checkBinderConnection(); 59 return getServiceInterface(mBinder).open(mSlotId, ImsFeature.MMTEL, incomingCallIntent, 60 listener); 61 } 62 63 @Override endSession(int sessionId)64 public void endSession(int sessionId) throws RemoteException { 65 checkBinderConnection(); 66 getServiceInterface(mBinder).close(sessionId); 67 } 68 69 @Override isConnected(int callServiceType, int callType)70 public boolean isConnected(int callServiceType, int callType) 71 throws RemoteException { 72 checkBinderConnection(); 73 return getServiceInterface(mBinder).isConnected(SERVICE_ID, callServiceType, callType); 74 } 75 76 @Override isOpened()77 public boolean isOpened() throws RemoteException { 78 checkBinderConnection(); 79 return getServiceInterface(mBinder).isOpened(SERVICE_ID); 80 } 81 82 @Override addRegistrationListener(IImsRegistrationListener listener)83 public void addRegistrationListener(IImsRegistrationListener listener) 84 throws RemoteException { 85 checkBinderConnection(); 86 getServiceInterface(mBinder).addRegistrationListener(mSlotId, ImsFeature.MMTEL, listener); 87 } 88 89 @Override removeRegistrationListener(IImsRegistrationListener listener)90 public void removeRegistrationListener(IImsRegistrationListener listener) 91 throws RemoteException { 92 // Not Implemented in old ImsService. If the registration listener becomes invalid, the 93 // ImsService will remove. 94 } 95 96 @Override createCallProfile(int sessionId, int callServiceType, int callType)97 public ImsCallProfile createCallProfile(int sessionId, int callServiceType, int callType) 98 throws RemoteException { 99 checkBinderConnection(); 100 return getServiceInterface(mBinder).createCallProfile(sessionId, callServiceType, callType); 101 } 102 103 @Override createCallSession(int sessionId, ImsCallProfile profile, IImsCallSessionListener listener)104 public IImsCallSession createCallSession(int sessionId, ImsCallProfile profile, 105 IImsCallSessionListener listener) throws RemoteException { 106 checkBinderConnection(); 107 return getServiceInterface(mBinder).createCallSession(sessionId, profile, listener); 108 } 109 110 @Override getPendingCallSession(int sessionId, String callId)111 public IImsCallSession getPendingCallSession(int sessionId, String callId) 112 throws RemoteException { 113 checkBinderConnection(); 114 return getServiceInterface(mBinder).getPendingCallSession(sessionId, callId); 115 } 116 117 @Override getUtInterface()118 public IImsUt getUtInterface() throws RemoteException { 119 checkBinderConnection(); 120 return getServiceInterface(mBinder).getUtInterface(SERVICE_ID); 121 } 122 123 @Override getConfigInterface()124 public IImsConfig getConfigInterface() throws RemoteException { 125 checkBinderConnection(); 126 return getServiceInterface(mBinder).getConfigInterface(mSlotId); 127 } 128 129 @Override turnOnIms()130 public void turnOnIms() throws RemoteException { 131 checkBinderConnection(); 132 getServiceInterface(mBinder).turnOnIms(mSlotId); 133 } 134 135 @Override turnOffIms()136 public void turnOffIms() throws RemoteException { 137 checkBinderConnection(); 138 getServiceInterface(mBinder).turnOffIms(mSlotId); 139 } 140 141 @Override getEcbmInterface()142 public IImsEcbm getEcbmInterface() throws RemoteException { 143 checkBinderConnection(); 144 return getServiceInterface(mBinder).getEcbmInterface(SERVICE_ID); 145 } 146 147 @Override setUiTTYMode(int uiTtyMode, Message onComplete)148 public void setUiTTYMode(int uiTtyMode, Message onComplete) 149 throws RemoteException { 150 checkBinderConnection(); 151 getServiceInterface(mBinder).setUiTTYMode(SERVICE_ID, uiTtyMode, onComplete); 152 } 153 154 @Override getMultiEndpointInterface()155 public IImsMultiEndpoint getMultiEndpointInterface() throws RemoteException { 156 checkBinderConnection(); 157 return getServiceInterface(mBinder).getMultiEndpointInterface(SERVICE_ID); 158 } 159 160 /** 161 * Base implementation, always returns READY for compatibility with old ImsService. 162 */ getFeatureStatus()163 public int getFeatureStatus() { 164 return ImsFeature.STATE_READY; 165 } 166 167 /** 168 * @return false if the binder connection is no longer alive. 169 */ isBinderAlive()170 public boolean isBinderAlive() { 171 return mBinder != null && mBinder.isBinderAlive(); 172 } 173 getServiceInterface(IBinder b)174 private IImsService getServiceInterface(IBinder b) { 175 return IImsService.Stub.asInterface(b); 176 } 177 checkBinderConnection()178 protected void checkBinderConnection() throws RemoteException { 179 if (!isBinderAlive()) { 180 throw new RemoteException("ImsServiceProxy is not available for that feature."); 181 } 182 } 183 } 184