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      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 
     17 package android.os;
     18 
     19 import android.annotation.UnsupportedAppUsage;
     20 import libcore.util.NativeAllocationRegistry;
     21 
     22 /** @hide */
     23 public class HwRemoteBinder implements IHwBinder {
     24     private static final String TAG = "HwRemoteBinder";
     25 
     26     private static final NativeAllocationRegistry sNativeRegistry;
     27 
     28     @UnsupportedAppUsage
     29     public HwRemoteBinder() {
     30         native_setup_empty();
     31 
     32         sNativeRegistry.registerNativeAllocation(
     33                 this,
     34                 mNativeContext);
     35     }
     36 
     37     @Override
     38     public IHwInterface queryLocalInterface(String descriptor) {
     39         return null;
     40     }
     41 
     42     @Override
     43     public native final void transact(
     44             int code, HwParcel request, HwParcel reply, int flags)
     45         throws RemoteException;
     46 
     47     public native boolean linkToDeath(DeathRecipient recipient, long cookie);
     48     public native boolean unlinkToDeath(DeathRecipient recipient);
     49 
     50     private static native final long native_init();
     51 
     52     private native final void native_setup_empty();
     53 
     54     static {
     55         long freeFunction = native_init();
     56 
     57         sNativeRegistry = new NativeAllocationRegistry(
     58                 HwRemoteBinder.class.getClassLoader(),
     59                 freeFunction,
     60                 128 /* size */);
     61     }
     62 
     63     private static final void sendDeathNotice(DeathRecipient recipient, long cookie) {
     64         recipient.serviceDied(cookie);
     65     }
     66 
     67     private long mNativeContext;
     68 
     69     @Override
     70     public final native boolean equals(Object other);
     71     @Override
     72     public final native int hashCode();
     73 }
     74