1/* 2 * Copyright (C) 2016 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 java.util.ArrayList; 20import java.util.NoSuchElementException; 21import libcore.util.NativeAllocationRegistry; 22 23/** @hide */ 24public abstract class HwBinder implements IHwBinder { 25 private static final String TAG = "HwBinder"; 26 27 private static final NativeAllocationRegistry sNativeRegistry; 28 29 public HwBinder() { 30 native_setup(); 31 32 sNativeRegistry.registerNativeAllocation( 33 this, 34 mNativeContext); 35 } 36 37 @Override 38 public final native void transact( 39 int code, HwParcel request, HwParcel reply, int flags) 40 throws RemoteException; 41 42 public abstract void onTransact( 43 int code, HwParcel request, HwParcel reply, int flags) 44 throws RemoteException; 45 46 public native final void registerService(String serviceName) 47 throws RemoteException; 48 49 public static native final IHwBinder getService( 50 String iface, 51 String serviceName) 52 throws RemoteException, NoSuchElementException; 53 54 // Returns address of the "freeFunction". 55 private static native final long native_init(); 56 57 private native final void native_setup(); 58 59 static { 60 long freeFunction = native_init(); 61 62 sNativeRegistry = new NativeAllocationRegistry( 63 HwBinder.class.getClassLoader(), 64 freeFunction, 65 128 /* size */); 66 } 67 68 private long mNativeContext; 69} 70