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/*
* 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 com.android.providers.media;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.hardware.usb.UsbManager;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
public class MtpReceiver extends BroadcastReceiver {
private static final String TAG = MtpReceiver.class.getSimpleName();
private static final boolean DEBUG = false;
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
final Intent usbState = context.registerReceiver(
null, new IntentFilter(UsbManager.ACTION_USB_STATE));
if (usbState != null) {
handleUsbState(context, usbState);
}
} else if (UsbManager.ACTION_USB_STATE.equals(action)) {
handleUsbState(context, intent);
}
}
private void handleUsbState(Context context, Intent intent) {
Bundle extras = intent.getExtras();
boolean connected = extras.getBoolean(UsbManager.USB_CONFIGURED);
boolean mtpEnabled = extras.getBoolean(UsbManager.USB_FUNCTION_MTP);
boolean ptpEnabled = extras.getBoolean(UsbManager.USB_FUNCTION_PTP);
boolean unlocked = extras.getBoolean(UsbManager.USB_DATA_UNLOCKED);
// Start MTP service if USB is connected and either the MTP or PTP function is enabled
if (connected && (mtpEnabled || ptpEnabled)) {
intent = new Intent(context, MtpService.class);
intent.putExtra(UsbManager.USB_DATA_UNLOCKED, unlocked);
if (ptpEnabled) {
intent.putExtra(UsbManager.USB_FUNCTION_PTP, true);
}
if (DEBUG) { Log.d(TAG, "handleUsbState startService"); }
context.startService(intent);
// tell MediaProvider MTP is connected so it can bind to the service
context.getContentResolver().insert(Uri.parse(
"content://media/none/mtp_connected"), null);
} else {
boolean status = context.stopService(new Intent(context, MtpService.class));
if (DEBUG) { Log.d(TAG, "handleUsbState stopService status=" + status); }
// tell MediaProvider MTP is disconnected so it can unbind from the service
context.getContentResolver().delete(Uri.parse(
"content://media/none/mtp_connected"), null, null);
}
}
}
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