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      1 /*
      2  * Copyright (C) 2010 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.accounts;
     18 
     19 import android.content.pm.RegisteredServicesCache;
     20 import android.content.pm.RegisteredServicesCacheListener;
     21 import android.os.Handler;
     22 
     23 import java.io.FileDescriptor;
     24 import java.io.PrintWriter;
     25 import java.util.Collection;
     26 
     27 /**
     28  * An interface to the Authenticator specialization of RegisteredServicesCache. The use of
     29  * this interface by the AccountManagerService makes it easier to unit test it.
     30  * @hide
     31  */
     32 public interface IAccountAuthenticatorCache {
     33     /**
     34      * Accessor for the {@link android.content.pm.RegisteredServicesCache.ServiceInfo} that
     35      * matched the specified {@link android.accounts.AuthenticatorDescription} or null
     36      * if none match.
     37      * @param type the authenticator type to return
     38      * @return the {@link android.content.pm.RegisteredServicesCache.ServiceInfo} that
     39      * matches the account type or null if none is present
     40      */
     41     RegisteredServicesCache.ServiceInfo<AuthenticatorDescription> getServiceInfo(
     42             AuthenticatorDescription type);
     43 
     44     /**
     45      * @return A copy of a Collection of all the current Authenticators.
     46      */
     47     Collection<RegisteredServicesCache.ServiceInfo<AuthenticatorDescription>> getAllServices();
     48 
     49     /**
     50      * Dumps the state of the cache. See
     51      * {@link android.os.Binder#dump(java.io.FileDescriptor, java.io.PrintWriter, String[])}
     52      */
     53     void dump(FileDescriptor fd, PrintWriter fout, String[] args);
     54 
     55     /**
     56      * Sets a listener that will be notified whenever the authenticator set changes
     57      * @param listener the listener to notify, or null
     58      * @param handler the {@link Handler} on which the notification will be posted. If null
     59      * the notification will be posted on the main thread.
     60      */
     61     void setListener(RegisteredServicesCacheListener<AuthenticatorDescription> listener,
     62             Handler handler);
     63 }