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/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.os;
import android.compat.annotation.UnsupportedAppUsage;
/**
* Native implementation of the service manager. Most clients will only
* care about asInterface().
*
* @hide
*/
public final class ServiceManagerNative {
private ServiceManagerNative() {}
/**
* Cast a Binder object into a service manager interface, generating
* a proxy if needed.
*
* TODO: delete this method and have clients use
* IServiceManager.Stub.asInterface instead
*/
@UnsupportedAppUsage
public static IServiceManager asInterface(IBinder obj) {
if (obj == null) {
return null;
}
// ServiceManager is never local
return new ServiceManagerProxy(obj);
}
}
// This class should be deleted and replaced with IServiceManager.Stub whenever
// mRemote is no longer used
class ServiceManagerProxy implements IServiceManager {
public ServiceManagerProxy(IBinder remote) {
mRemote = remote;
mServiceManager = IServiceManager.Stub.asInterface(remote);
}
public IBinder asBinder() {
return mRemote;
}
@UnsupportedAppUsage
public IBinder getService(String name) throws RemoteException {
// Same as checkService (old versions of servicemanager had both methods).
return mServiceManager.checkService(name);
}
public IBinder checkService(String name) throws RemoteException {
return mServiceManager.checkService(name);
}
public void addService(String name, IBinder service, boolean allowIsolated, int dumpPriority)
throws RemoteException {
mServiceManager.addService(name, service, allowIsolated, dumpPriority);
}
public String[] listServices(int dumpPriority) throws RemoteException {
return mServiceManager.listServices(dumpPriority);
}
public void registerForNotifications(String name, IServiceCallback cb)
throws RemoteException {
throw new RemoteException();
}
public void unregisterForNotifications(String name, IServiceCallback cb)
throws RemoteException {
throw new RemoteException();
}
public boolean isDeclared(String name) throws RemoteException {
return mServiceManager.isDeclared(name);
}
public String[] getDeclaredInstances(String iface) throws RemoteException {
return mServiceManager.getDeclaredInstances(iface);
}
public String updatableViaApex(String name) throws RemoteException {
return mServiceManager.updatableViaApex(name);
}
public void registerClientCallback(String name, IBinder service, IClientCallback cb)
throws RemoteException {
throw new RemoteException();
}
public void tryUnregisterService(String name, IBinder service) throws RemoteException {
throw new RemoteException();
}
public ServiceDebugInfo[] getServiceDebugInfo() throws RemoteException {
return mServiceManager.getServiceDebugInfo();
}
/**
* Same as mServiceManager but used by apps.
*
* Once this can be removed, ServiceManagerProxy should be removed entirely.
*/
@UnsupportedAppUsage
private IBinder mRemote;
private IServiceManager mServiceManager;
}
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