1 /* 2 * Copyright (C) 2017 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 android.os; 18 19 import com.android.layoutlib.bridge.impl.DelegateManager; 20 import com.android.tools.layoutlib.annotations.LayoutlibDelegate; 21 22 import libcore.util.NativeAllocationRegistry_Delegate; 23 24 /** 25 * Delegate overriding selected methods of android.os.Binder 26 * 27 * Through the layoutlib_create tool, selected methods of Binder have been replaced 28 * by calls to methods of the same name in this delegate class. 29 * 30 * 31 */ 32 public class Binder_Delegate { 33 34 // ---- delegate manager ---- 35 private static final DelegateManager<Binder_Delegate> sManager = 36 new DelegateManager<>(Binder_Delegate.class); 37 private static long sFinalizer = -1; 38 39 @LayoutlibDelegate getNativeBBinderHolder()40 /*package*/ static long getNativeBBinderHolder() { 41 return sManager.addNewDelegate(new Binder_Delegate()); 42 } 43 44 @LayoutlibDelegate getNativeFinalizer()45 /*package*/ static long getNativeFinalizer() { 46 synchronized (Binder_Delegate.class) { 47 if (sFinalizer == -1) { 48 sFinalizer = NativeAllocationRegistry_Delegate.createFinalizer( 49 sManager::removeJavaReferenceFor); 50 } 51 } 52 return sFinalizer; 53 } 54 } 55