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 17 package com.android.gallery3d.ui; 18 19 import com.android.gallery3d.common.Utils; 20 21 import android.os.Handler; 22 import android.os.Message; 23 24 public class SynchronizedHandler extends Handler { 25 26 private final GLRoot mRoot; 27 28 public SynchronizedHandler(GLRoot root) { 29 mRoot = Utils.checkNotNull(root); 30 } 31 32 @Override 33 public void dispatchMessage(Message message) { 34 mRoot.lockRenderThread(); 35 try { 36 super.dispatchMessage(message); 37 } finally { 38 mRoot.unlockRenderThread(); 39 } 40 } 41 } 42
