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/*
* Copyright (C) 2013 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.mail.utils;
import android.database.DataSetObservable;
import android.database.DataSetObserver;
/**
* A Utility class to register observers and return logging and counts for the number of registered
* observers.
*/
public class MailObservable extends DataSetObservable {
protected static final String LOG_TAG = LogTag.getLogTag();
private final String mName;
public MailObservable(String name) {
mName = name;
}
@Override
public void registerObserver(DataSetObserver observer) {
final int count = mObservers.size();
super.registerObserver(observer);
LogUtils.d(LOG_TAG, "IN register(%s)Observer: %s before=%d after=%d",
mName, observer, count, mObservers.size());
}
@Override
public void unregisterObserver(DataSetObserver observer) {
final int count = mObservers.size();
super.unregisterObserver(observer);
LogUtils.d(LOG_TAG, "IN unregister(%s)Observer: %s before=%d after=%d",
mName, observer, count, mObservers.size());
}
}
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