19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.os; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** @hide */ 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Registrant 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Registrant(Handler h, int what, Object obj) 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refH = new WeakReference(h); 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.what = what; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userObj = obj; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clear() 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refH = null; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userObj = null; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyRegistrant() 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrant (null, null); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyResult(Object result) 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrant (result, null); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyException(Throwable exception) 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrant (null, exception); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This makes a copy of @param ar 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyRegistrant(AsyncResult ar) 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrant (ar.result, ar.exception); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /*package*/ void 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrant (Object result, Throwable exception) 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Handler h = getHandler(); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h == null) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clear(); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message msg = Message.obtain(); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg.what = what; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg.obj = new AsyncResult(userObj, result, exception); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h.sendMessage(msg); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: May return null if weak reference has been collected 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Message 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project messageForRegistrant() 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Handler h = getHandler(); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h == null) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clear(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message msg = h.obtainMessage(); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg.what = what; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg.obj = userObj; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return msg; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Handler 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getHandler() 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (refH == null) 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (Handler) refH.get(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project WeakReference refH; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object userObj; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 124