1/*
2 * Copyright (C) 2010 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
17package android.os;
18
19import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
20
21
22/**
23 * Delegate overriding selected methods of android.os.Handler
24 *
25 * Through the layoutlib_create tool, selected methods of Handler have been replaced
26 * by calls to methods of the same name in this delegate class.
27 *
28 *
29 */
30public class Handler_Delegate {
31
32    // -------- Delegate methods
33
34    @LayoutlibDelegate
35    /*package*/ static boolean sendMessageAtTime(Handler handler, Message msg, long uptimeMillis) {
36        // get the callback
37        IHandlerCallback callback = sCallbacks.get();
38        if (callback != null) {
39            callback.sendMessageAtTime(handler, msg, uptimeMillis);
40        }
41        return true;
42    }
43
44    // -------- Delegate implementation
45
46    public interface IHandlerCallback {
47        void sendMessageAtTime(Handler handler, Message msg, long uptimeMillis);
48    }
49
50    private final static ThreadLocal<IHandlerCallback> sCallbacks =
51        new ThreadLocal<IHandlerCallback>();
52
53    public static void setCallback(IHandlerCallback callback) {
54        sCallbacks.set(callback);
55    }
56
57}
58