Home | History | Annotate | Download | only in mtp
      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.mtp;
     18 
     19 /**
     20  * Java wrapper for MTP/PTP support as USB responder.
     21  * {@hide}
     22  */
     23 public class MtpServer implements Runnable {
     24 
     25     private int mNativeContext; // accessed by native methods
     26 
     27     static {
     28         System.loadLibrary("media_jni");
     29     }
     30 
     31     public MtpServer(MtpDatabase database, boolean usePtp) {
     32         native_setup(database, usePtp);
     33     }
     34 
     35     public void start() {
     36         Thread thread = new Thread(this, "MtpServer");
     37         thread.start();
     38     }
     39 
     40     @Override
     41     public void run() {
     42         native_run();
     43         native_cleanup();
     44     }
     45 
     46     public void sendObjectAdded(int handle) {
     47         native_send_object_added(handle);
     48     }
     49 
     50     public void sendObjectRemoved(int handle) {
     51         native_send_object_removed(handle);
     52     }
     53 
     54     public void addStorage(MtpStorage storage) {
     55         native_add_storage(storage);
     56     }
     57 
     58     public void removeStorage(MtpStorage storage) {
     59         native_remove_storage(storage.getStorageId());
     60     }
     61 
     62     private native final void native_setup(MtpDatabase database, boolean usePtp);
     63     private native final void native_run();
     64     private native final void native_cleanup();
     65     private native final void native_send_object_added(int handle);
     66     private native final void native_send_object_removed(int handle);
     67     private native final void native_add_storage(MtpStorage storage);
     68     private native final void native_remove_storage(int storageId);
     69 }
     70