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.compat.annotation.UnsupportedAppUsage;
20 
21 import libcore.util.NativeAllocationRegistry;
22 
23 /** @hide */
24 public class HwRemoteBinder implements IHwBinder {
25     private static final String TAG = "HwRemoteBinder";
26 
27     private static final NativeAllocationRegistry sNativeRegistry;
28 
29     @UnsupportedAppUsage
HwRemoteBinder()30     public HwRemoteBinder() {
31         native_setup_empty();
32 
33         sNativeRegistry.registerNativeAllocation(
34                 this,
35                 mNativeContext);
36     }
37 
38     @Override
queryLocalInterface(String descriptor)39     public IHwInterface queryLocalInterface(String descriptor) {
40         return null;
41     }
42 
43     @Override
transact( int code, HwParcel request, HwParcel reply, int flags)44     public native final void transact(
45             int code, HwParcel request, HwParcel reply, int flags)
46         throws RemoteException;
47 
linkToDeath(DeathRecipient recipient, long cookie)48     public native boolean linkToDeath(DeathRecipient recipient, long cookie);
unlinkToDeath(DeathRecipient recipient)49     public native boolean unlinkToDeath(DeathRecipient recipient);
50 
native_init()51     private static native final long native_init();
52 
native_setup_empty()53     private native final void native_setup_empty();
54 
55     static {
56         long freeFunction = native_init();
57 
58         sNativeRegistry = new NativeAllocationRegistry(
59                 HwRemoteBinder.class.getClassLoader(),
60                 freeFunction,
61                 128 /* size */);
62     }
63 
sendDeathNotice(DeathRecipient recipient, long cookie)64     private static final void sendDeathNotice(DeathRecipient recipient, long cookie) {
65         recipient.serviceDied(cookie);
66     }
67 
68     private long mNativeContext;
69 
70     @Override
equals(Object other)71     public final native boolean equals(Object other);
72     @Override
hashCode()73     public final native int hashCode();
74 }
75