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.util.ArrayList; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** @hide */ 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RegistrantList 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList registrants = new ArrayList(); // of Registrant 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized void 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add(Handler h, int what, Object obj) 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add(new Registrant(h, what, obj)); 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized void 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addUnique(Handler h, int what, Object obj) 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if the handler is already in the registrant list, remove it 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project remove(h); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add(new Registrant(h, what, obj)); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized void 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add(Registrant r) 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCleared(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registrants.add(r); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized void 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCleared() 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = registrants.size() - 1; i >= 0 ; i--) { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Registrant r = (Registrant) registrants.get(i); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (r.refH == null) { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registrants.remove(i); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized int 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size() 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return registrants.size(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized Object 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project get(int index) 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return registrants.get(index); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private synchronized void 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrants (Object result, Throwable exception) 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0, s = registrants.size(); i < s ; i++) { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Registrant r = (Registrant) registrants.get(i); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.internalNotifyRegistrant(result, exception); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public /*synchronized*/ void 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyRegistrants() 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrants(null, null); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public /*synchronized*/ void 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyException(Throwable exception) 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrants (null, exception); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public /*synchronized*/ void 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyResult(Object result) 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrants (result, null); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public /*synchronized*/ void 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyRegistrants(AsyncResult ar) 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalNotifyRegistrants(ar.result, ar.exception); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized void 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project remove(Handler h) 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0, s = registrants.size() ; i < s ; i++) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Registrant r = (Registrant) registrants.get(i); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Handler rh; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rh = r.getHandler(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Clean up both the requested registrant and 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * any now-collected registrants 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rh == null || rh == h) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.clear(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCleared(); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 129