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 19import com.android.internal.util.Preconditions; 20 21/** 22 * Java wrapper for MTP/PTP support as USB responder. 23 * {@hide} 24 */ 25public class MtpServer implements Runnable { 26 27 private long mNativeContext; // accessed by native methods 28 private final MtpDatabase mDatabase; 29 private final Runnable mOnTerminate; 30 31 static { 32 System.loadLibrary("media_jni"); 33 } 34 35 public MtpServer( 36 MtpDatabase database, 37 boolean usePtp, 38 Runnable onTerminate, 39 String deviceInfoManufacturer, 40 String deviceInfoModel, 41 String deviceInfoDeviceVersion, 42 String deviceInfoSerialNumber) { 43 mDatabase = Preconditions.checkNotNull(database); 44 mOnTerminate = Preconditions.checkNotNull(onTerminate); 45 native_setup( 46 database, 47 usePtp, 48 deviceInfoManufacturer, 49 deviceInfoModel, 50 deviceInfoDeviceVersion, 51 deviceInfoSerialNumber); 52 database.setServer(this); 53 } 54 55 public void start() { 56 Thread thread = new Thread(this, "MtpServer"); 57 thread.start(); 58 } 59 60 @Override 61 public void run() { 62 native_run(); 63 native_cleanup(); 64 mDatabase.close(); 65 mOnTerminate.run(); 66 } 67 68 public void sendObjectAdded(int handle) { 69 native_send_object_added(handle); 70 } 71 72 public void sendObjectRemoved(int handle) { 73 native_send_object_removed(handle); 74 } 75 76 public void sendDevicePropertyChanged(int property) { 77 native_send_device_property_changed(property); 78 } 79 80 public void addStorage(MtpStorage storage) { 81 native_add_storage(storage); 82 } 83 84 public void removeStorage(MtpStorage storage) { 85 native_remove_storage(storage.getStorageId()); 86 } 87 88 public static void configure(boolean usePtp) { 89 native_configure(usePtp); 90 } 91 92 public static native final void native_configure(boolean usePtp); 93 private native final void native_setup( 94 MtpDatabase database, 95 boolean usePtp, 96 String deviceInfoManufacturer, 97 String deviceInfoModel, 98 String deviceInfoDeviceVersion, 99 String deviceInfoSerialNumber); 100 private native final void native_run(); 101 private native final void native_cleanup(); 102 private native final void native_send_object_added(int handle); 103 private native final void native_send_object_removed(int handle); 104 private native final void native_send_device_property_changed(int property); 105 private native final void native_add_storage(MtpStorage storage); 106 private native final void native_remove_storage(int storageId); 107} 108