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
17package android.mtp;
18
19/**
20 * Java wrapper for MTP/PTP support as USB responder.
21 * {@hide}
22 */
23public class MtpServer implements Runnable {
24
25    private long mNativeContext; // accessed by native methods
26    private final MtpDatabase mDatabase;
27
28    static {
29        System.loadLibrary("media_jni");
30    }
31
32    public MtpServer(MtpDatabase database, boolean usePtp) {
33        mDatabase = database;
34        native_setup(database, usePtp);
35        database.setServer(this);
36    }
37
38    public void start() {
39        Thread thread = new Thread(this, "MtpServer");
40        thread.start();
41    }
42
43    @Override
44    public void run() {
45        native_run();
46        native_cleanup();
47        mDatabase.close();
48    }
49
50    public void sendObjectAdded(int handle) {
51        native_send_object_added(handle);
52    }
53
54    public void sendObjectRemoved(int handle) {
55        native_send_object_removed(handle);
56    }
57
58    public void sendDevicePropertyChanged(int property) {
59        native_send_device_property_changed(property);
60    }
61
62    public void addStorage(MtpStorage storage) {
63        native_add_storage(storage);
64    }
65
66    public void removeStorage(MtpStorage storage) {
67        native_remove_storage(storage.getStorageId());
68    }
69
70    private native final void native_setup(MtpDatabase database, boolean usePtp);
71    private native final void native_run();
72    private native final void native_cleanup();
73    private native final void native_send_object_added(int handle);
74    private native final void native_send_object_removed(int handle);
75    private native final void native_send_device_property_changed(int property);
76    private native final void native_add_storage(MtpStorage storage);
77    private native final void native_remove_storage(int storageId);
78}
79