| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.mtp; |
| |
| import android.util.Log; |
| |
| /** |
| * {@hide} |
| */ |
| public class PtpClient { |
| |
| private static final String TAG = "PtpClient"; |
| |
| private final Listener mListener; |
| |
| static { |
| System.loadLibrary("media_jni"); |
| } |
| |
| public PtpClient(Listener listener) { |
| native_setup(); |
| if (listener == null) { |
| throw new NullPointerException("PtpClient: listener is null"); |
| } |
| mListener = listener; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| native_finalize(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| public boolean start() { |
| return native_start(); |
| } |
| |
| public void stop() { |
| native_stop(); |
| } |
| |
| public boolean deleteObject(int deviceID, long objectID) { |
| return native_delete_object(deviceID, objectID); |
| } |
| |
| public long getParent(int deviceID, long objectID) { |
| return native_get_parent(deviceID, objectID); |
| } |
| |
| public long getStorageID(int deviceID, long objectID) { |
| return native_get_storage_id(deviceID, objectID); |
| } |
| |
| // Reads a file from device to host to the specified destination. |
| // Returns true if the transfer succeeds. |
| public boolean importFile(int deviceID, long objectID, String destPath) { |
| return native_import_file(deviceID, objectID, destPath); |
| } |
| |
| public interface Listener { |
| // called when a new PTP device has been discovered |
| void deviceAdded(int id); |
| |
| // called when an PTP device has been removed |
| void deviceRemoved(int id); |
| } |
| |
| // called from native code |
| private void deviceAdded(int id) { |
| Log.d(TAG, "deviceAdded " + id); |
| mListener.deviceAdded(id); |
| } |
| |
| // called from native code |
| private void deviceRemoved(int id) { |
| Log.d(TAG, "deviceRemoved " + id); |
| mListener.deviceRemoved(id); |
| } |
| |
| // used by the JNI code |
| private int mNativeContext; |
| |
| private native final void native_setup(); |
| private native final void native_finalize(); |
| private native boolean native_start(); |
| private native void native_stop(); |
| private native boolean native_delete_object(int deviceID, long objectID); |
| private native long native_get_parent(int deviceID, long objectID); |
| private native long native_get_storage_id(int deviceID, long objectID); |
| private native boolean native_import_file(int deviceID, long objectID, String destPath); |
| } |