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 com.android.internal.os.SomeArgs; 20 import com.android.internal.telecom.IVideoCallback; 21 22 import android.os.Handler; 23 import android.os.Message; 24 import android.os.RemoteException; 25 26 /** 27 * A component that provides an RPC servant implementation of {@link IVideoCallback}, 28 * posting incoming messages on the main thread on a client-supplied delegate object. 29 * 30 * TODO: Generate this and similar classes using a compiler starting from AIDL interfaces. 31 * 32 * @hide 33 */ 34 final class VideoCallbackServant { 35 private static final int MSG_RECEIVE_SESSION_MODIFY_REQUEST = 0; 36 private static final int MSG_RECEIVE_SESSION_MODIFY_RESPONSE = 1; 37 private static final int MSG_HANDLE_CALL_SESSION_EVENT = 2; 38 private static final int MSG_CHANGE_PEER_DIMENSIONS = 3; 39 private static final int MSG_CHANGE_CALL_DATA_USAGE = 4; 40 private static final int MSG_CHANGE_CAMERA_CAPABILITIES = 5; 41 private static final int MSG_CHANGE_VIDEO_QUALITY = 6; 42 43 private final IVideoCallback mDelegate; 44 45 private final Handler mHandler = new Handler() { 46 @Override 47 public void handleMessage(Message msg) { 48 try { 49 internalHandleMessage(msg); 50 } catch (RemoteException e) { 51 } 52 } 53 54 // Internal method defined to centralize handling of RemoteException 55 private void internalHandleMessage(Message msg) throws RemoteException { 56 switch (msg.what) { 57 case MSG_RECEIVE_SESSION_MODIFY_REQUEST: { 58 mDelegate.receiveSessionModifyRequest((VideoProfile) msg.obj); 59 break; 60 } 61 case MSG_RECEIVE_SESSION_MODIFY_RESPONSE: { 62 SomeArgs args = (SomeArgs) msg.obj; 63 try { 64 mDelegate.receiveSessionModifyResponse( 65 args.argi1, 66 (VideoProfile) args.arg1, 67 (VideoProfile) args.arg2); 68 } finally { 69 args.recycle(); 70 } 71 break; 72 } 73 case MSG_HANDLE_CALL_SESSION_EVENT: { 74 SomeArgs args = (SomeArgs) msg.obj; 75 try { 76 mDelegate.handleCallSessionEvent(args.argi1); 77 } finally { 78 args.recycle(); 79 } 80 break; 81 } 82 case MSG_CHANGE_PEER_DIMENSIONS: { 83 SomeArgs args = (SomeArgs) msg.obj; 84 try { 85 mDelegate.changePeerDimensions(args.argi1, args.argi2); 86 } finally { 87 args.recycle(); 88 } 89 break; 90 } 91 case MSG_CHANGE_CALL_DATA_USAGE: { 92 SomeArgs args = (SomeArgs) msg.obj; 93 try { 94 mDelegate.changeCallDataUsage((long) args.arg1); 95 } finally { 96 args.recycle(); 97 } 98 break; 99 } 100 case MSG_CHANGE_CAMERA_CAPABILITIES: { 101 mDelegate.changeCameraCapabilities((VideoProfile.CameraCapabilities) msg.obj); 102 break; 103 } 104 case MSG_CHANGE_VIDEO_QUALITY: { 105 mDelegate.changeVideoQuality(msg.arg1); 106 break; 107 } 108 } 109 } 110 }; 111 112 private final IVideoCallback mStub = new IVideoCallback.Stub() { 113 @Override 114 public void receiveSessionModifyRequest(VideoProfile videoProfile) throws RemoteException { 115 mHandler.obtainMessage(MSG_RECEIVE_SESSION_MODIFY_REQUEST, videoProfile).sendToTarget(); 116 } 117 118 @Override 119 public void receiveSessionModifyResponse(int status, VideoProfile requestedProfile, 120 VideoProfile responseProfile) throws RemoteException { 121 SomeArgs args = SomeArgs.obtain(); 122 args.argi1 = status; 123 args.arg1 = requestedProfile; 124 args.arg2 = responseProfile; 125 mHandler.obtainMessage(MSG_RECEIVE_SESSION_MODIFY_RESPONSE, args).sendToTarget(); 126 } 127 128 @Override 129 public void handleCallSessionEvent(int event) throws RemoteException { 130 SomeArgs args = SomeArgs.obtain(); 131 args.argi1 = event; 132 mHandler.obtainMessage(MSG_HANDLE_CALL_SESSION_EVENT, args).sendToTarget(); 133 } 134 135 @Override 136 public void changePeerDimensions(int width, int height) throws RemoteException { 137 SomeArgs args = SomeArgs.obtain(); 138 args.argi1 = width; 139 args.argi2 = height; 140 mHandler.obtainMessage(MSG_CHANGE_PEER_DIMENSIONS, args).sendToTarget(); 141 } 142 143 @Override 144 public void changeCallDataUsage(long dataUsage) throws RemoteException { 145 SomeArgs args = SomeArgs.obtain(); 146 args.arg1 = dataUsage; 147 mHandler.obtainMessage(MSG_CHANGE_CALL_DATA_USAGE, args).sendToTarget(); 148 } 149 150 @Override 151 public void changeCameraCapabilities( 152 VideoProfile.CameraCapabilities cameraCapabilities) 153 throws RemoteException { 154 mHandler.obtainMessage(MSG_CHANGE_CAMERA_CAPABILITIES, cameraCapabilities) 155 .sendToTarget(); 156 } 157 158 @Override 159 public void changeVideoQuality(int videoQuality) throws RemoteException { 160 mHandler.obtainMessage(MSG_CHANGE_VIDEO_QUALITY, videoQuality, 0).sendToTarget(); 161 } 162 }; 163 164 public VideoCallbackServant(IVideoCallback delegate) { 165 mDelegate = delegate; 166 } 167 168 public IVideoCallback getStub() { 169 return mStub; 170 } 171 } 172
