AlarmPreference.java

/*
 * Copyright (C) 2008 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.androsz.electricsleepbeta.alarmclock;

import android.content.Context;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.preference.RingtonePreference;
import android.util.AttributeSet;

import com.androsz.electricsleepbeta.R;

/**
 * The RingtonePreference does not have a way to get/set the current ringtone so
 * we override onSaveRingtone and onRestoreRingtone to get the same behavior.
 */
public class AlarmPreference extends RingtonePreference {
	private Uri mAlert;

	public AlarmPreference(final Context context, final AttributeSet attrs) {
		super(context, attrs);
	}

	public Uri getAlert() {
		return mAlert;
	}

	@Override
	protected Uri onRestoreRingtone() {
		if (RingtoneManager.isDefault(mAlert)) {
			return RingtoneManager.getActualDefaultRingtoneUri(getContext(),
					RingtoneManager.TYPE_ALARM);
		}
		return mAlert;
	}

	@Override
	protected void onSaveRingtone(final Uri ringtoneUri) {
		setAlert(ringtoneUri);
	}

	public void setAlert(final Uri alert) {
		mAlert = alert;
		new AsyncTask<Void, Void, String>() {

			@Override
			protected String doInBackground(Void... params) {
				if (alert != null) {
					final Ringtone r = RingtoneManager.getRingtone(getContext(), alert);
					if (r != null) {
						return r.getTitle(getContext());
					}
				}
				return null;
			}

			@Override
			protected void onPostExecute(String result) {
				if (result != null) {
					setSummary(result);
				} else {
					setSummary(R.string.silent_alarm_summary);
				}
				super.onPostExecute(result);
			}
		}.execute();
	}
}