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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* 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 com.android.internal.util.Preconditions;
import java.io.FileDescriptor;
/**
* Java wrapper for MTP/PTP support as USB responder.
* {@hide}
*/
public class MtpServer implements Runnable {
private long mNativeContext; // accessed by native methods
private final MtpDatabase mDatabase;
private final Runnable mOnTerminate;
static {
System.loadLibrary("media_jni");
}
public MtpServer(
MtpDatabase database,
FileDescriptor controlFd,
boolean usePtp,
Runnable onTerminate,
String deviceInfoManufacturer,
String deviceInfoModel,
String deviceInfoDeviceVersion,
String deviceInfoSerialNumber) {
mDatabase = Preconditions.checkNotNull(database);
mOnTerminate = Preconditions.checkNotNull(onTerminate);
native_setup(
database,
controlFd,
usePtp,
deviceInfoManufacturer,
deviceInfoModel,
deviceInfoDeviceVersion,
deviceInfoSerialNumber);
database.setServer(this);
}
public void start() {
Thread thread = new Thread(this, "MtpServer");
thread.start();
}
@Override
public void run() {
native_run();
native_cleanup();
mDatabase.close();
mOnTerminate.run();
}
public void sendObjectAdded(int handle) {
native_send_object_added(handle);
}
public void sendObjectRemoved(int handle) {
native_send_object_removed(handle);
}
public void sendDevicePropertyChanged(int property) {
native_send_device_property_changed(property);
}
public void addStorage(MtpStorage storage) {
native_add_storage(storage);
}
public void removeStorage(MtpStorage storage) {
native_remove_storage(storage.getStorageId());
}
public static void configure(boolean usePtp) {
native_configure(usePtp);
}
public static native final void native_configure(boolean usePtp);
private native final void native_setup(
MtpDatabase database,
FileDescriptor controlFd,
boolean usePtp,
String deviceInfoManufacturer,
String deviceInfoModel,
String deviceInfoDeviceVersion,
String deviceInfoSerialNumber);
private native final void native_run();
private native final void native_cleanup();
private native final void native_send_object_added(int handle);
private native final void native_send_object_removed(int handle);
private native final void native_send_device_property_changed(int property);
private native final void native_add_storage(MtpStorage storage);
private native final void native_remove_storage(int storageId);
}