1282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski/* 2282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Copyright (C) 2010 The Android Open Source Project 3282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 4282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 5282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * you may not use this file except in compliance with the License. 6282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * You may obtain a copy of the License at 7282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 8282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 9282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 10282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Unless required by applicable law or agreed to in writing, software 11282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 12282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * See the License for the specific language governing permissions and 14282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * limitations under the License. 15282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 16282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 17282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipackage android.os; 18282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 19282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport com.android.tools.layoutlib.annotations.LayoutlibDelegate; 20282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 21282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 22282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski/** 23282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Delegate overriding selected methods of android.os.Handler 24282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 25282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Through the layoutlib_create tool, selected methods of Handler have been replaced 26282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * by calls to methods of the same name in this delegate class. 27282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 28282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 29282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 30282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipublic class Handler_Delegate { 31282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 32282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // -------- Delegate methods 33282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 34282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski @LayoutlibDelegate 35282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski /*package*/ static boolean sendMessageAtTime(Handler handler, Message msg, long uptimeMillis) { 36282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // get the callback 37282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski IHandlerCallback callback = sCallbacks.get(); 38282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski if (callback != null) { 39282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski callback.sendMessageAtTime(handler, msg, uptimeMillis); 40282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 41282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski return true; 42282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 43282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 44282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // -------- Delegate implementation 45282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 46282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public interface IHandlerCallback { 47282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski void sendMessageAtTime(Handler handler, Message msg, long uptimeMillis); 48282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 49282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 50282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski private final static ThreadLocal<IHandlerCallback> sCallbacks = 51282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski new ThreadLocal<IHandlerCallback>(); 52282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 53282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public static void setCallback(IHandlerCallback callback) { 54282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski sCallbacks.set(callback); 55282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 56282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 57282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski} 58