/*
* Copyright (C) 2013 Maciej Górski
*
* 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 pl.mg6.android.maps.extensions.impl;
import java.util.HashSet;
import java.util.Set;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.Message;
class ClusterRefresher {
private Set<ClusterMarker> refreshQueue = new HashSet<ClusterMarker>();
private boolean refreshPending;
private Handler refresher = new Handler(new Callback() {
public boolean handleMessage(Message msg) {
refreshAll();
return true;
}
});
void refresh(ClusterMarker cluster) {
refreshQueue.add(cluster);
if (!refreshPending) {
refresher.sendEmptyMessage(0);
refreshPending = true;
}
}
void cleanup() {
refreshQueue.clear();
refreshPending = false;
refresher.removeMessages(0);
}
void refreshAll() {
for (ClusterMarker cluster : refreshQueue) {
cluster.refresh();
}
cleanup();
}
}