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 long mNativeContext; // accessed by native methods
26 
27     static {
28         System.loadLibrary("media_jni");
29     }
30 
MtpServer(MtpDatabase database, boolean usePtp)31     public MtpServer(MtpDatabase database, boolean usePtp) {
32         native_setup(database, usePtp);
33         database.setServer(this);
34     }
35 
start()36     public void start() {
37         Thread thread = new Thread(this, "MtpServer");
38         thread.start();
39     }
40 
41     @Override
run()42     public void run() {
43         native_run();
44         native_cleanup();
45     }
46 
sendObjectAdded(int handle)47     public void sendObjectAdded(int handle) {
48         native_send_object_added(handle);
49     }
50 
sendObjectRemoved(int handle)51     public void sendObjectRemoved(int handle) {
52         native_send_object_removed(handle);
53     }
54 
sendDevicePropertyChanged(int property)55     public void sendDevicePropertyChanged(int property) {
56         native_send_device_property_changed(property);
57     }
58 
addStorage(MtpStorage storage)59     public void addStorage(MtpStorage storage) {
60         native_add_storage(storage);
61     }
62 
removeStorage(MtpStorage storage)63     public void removeStorage(MtpStorage storage) {
64         native_remove_storage(storage.getStorageId());
65     }
66 
native_setup(MtpDatabase database, boolean usePtp)67     private native final void native_setup(MtpDatabase database, boolean usePtp);
native_run()68     private native final void native_run();
native_cleanup()69     private native final void native_cleanup();
native_send_object_added(int handle)70     private native final void native_send_object_added(int handle);
native_send_object_removed(int handle)71     private native final void native_send_object_removed(int handle);
native_send_device_property_changed(int property)72     private native final void native_send_device_property_changed(int property);
native_add_storage(MtpStorage storage)73     private native final void native_add_storage(MtpStorage storage);
native_remove_storage(int storageId)74     private native final void native_remove_storage(int storageId);
75 }
76