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 import com.android.internal.util.Preconditions; 20 21 /** 22 * Java wrapper for MTP/PTP support as USB responder. 23 * {@hide} 24 */ 25 public 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 MtpServer( MtpDatabase database, boolean usePtp, Runnable onTerminate, String deviceInfoManufacturer, String deviceInfoModel, String deviceInfoDeviceVersion, String deviceInfoSerialNumber)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 start()55 public void start() { 56 Thread thread = new Thread(this, "MtpServer"); 57 thread.start(); 58 } 59 60 @Override run()61 public void run() { 62 native_run(); 63 native_cleanup(); 64 mDatabase.close(); 65 mOnTerminate.run(); 66 } 67 sendObjectAdded(int handle)68 public void sendObjectAdded(int handle) { 69 native_send_object_added(handle); 70 } 71 sendObjectRemoved(int handle)72 public void sendObjectRemoved(int handle) { 73 native_send_object_removed(handle); 74 } 75 sendDevicePropertyChanged(int property)76 public void sendDevicePropertyChanged(int property) { 77 native_send_device_property_changed(property); 78 } 79 addStorage(MtpStorage storage)80 public void addStorage(MtpStorage storage) { 81 native_add_storage(storage); 82 } 83 removeStorage(MtpStorage storage)84 public void removeStorage(MtpStorage storage) { 85 native_remove_storage(storage.getStorageId()); 86 } 87 configure(boolean usePtp)88 public static void configure(boolean usePtp) { 89 native_configure(usePtp); 90 } 91 native_configure(boolean usePtp)92 public static native final void native_configure(boolean usePtp); native_setup( MtpDatabase database, boolean usePtp, String deviceInfoManufacturer, String deviceInfoModel, String deviceInfoDeviceVersion, String deviceInfoSerialNumber)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); native_run()100 private native final void native_run(); native_cleanup()101 private native final void native_cleanup(); native_send_object_added(int handle)102 private native final void native_send_object_added(int handle); native_send_object_removed(int handle)103 private native final void native_send_object_removed(int handle); native_send_device_property_changed(int property)104 private native final void native_send_device_property_changed(int property); native_add_storage(MtpStorage storage)105 private native final void native_add_storage(MtpStorage storage); native_remove_storage(int storageId)106 private native final void native_remove_storage(int storageId); 107 } 108