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/*
* Copyright (C) 2016 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.tv.analytics;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.support.annotation.MainThread;
import com.android.tv.data.Channel;
import com.android.tv.data.ChannelDataManager;
import com.android.tv.util.RecurringRunner;
import java.util.List;
import java.util.concurrent.TimeUnit;
/**
* Periodically sends analytics data with the channel count.
*
* <p>
* <p>This should only be started from a user activity
* like {@link com.android.tv.MainActivity}.
*/
@MainThread
public class SendChannelStatusRunnable implements Runnable {
private static final long SEND_CHANNEL_STATUS_INTERVAL_MS = TimeUnit.DAYS.toMillis(1);
public static RecurringRunner startChannelStatusRecurringRunner(Context context,
Tracker tracker, ChannelDataManager channelDataManager) {
final SendChannelStatusRunnable sendChannelStatusRunnable = new SendChannelStatusRunnable(
channelDataManager, tracker);
Runnable onStopRunnable = new Runnable() {
@Override
public void run() {
sendChannelStatusRunnable.setDbLoadListener(null);
}
};
final RecurringRunner recurringRunner = new RecurringRunner(context,
SEND_CHANNEL_STATUS_INTERVAL_MS, sendChannelStatusRunnable, onStopRunnable);
if (channelDataManager.isDbLoadFinished()) {
sendChannelStatusRunnable.setDbLoadListener(null);
recurringRunner.start();
} else {
//Start the recurring runnable after the channel DB is finished loading.
sendChannelStatusRunnable.setDbLoadListener(new ChannelDataManager.Listener() {
@Override
public void onLoadFinished() {
// This is called inside an iterator of Listeners so the remove step is done
// via a post on the main thread
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
sendChannelStatusRunnable.setDbLoadListener(null);
}
});
recurringRunner.start();
}
@Override
public void onChannelListUpdated() { }
@Override
public void onChannelBrowsableChanged() { }
});
}
return recurringRunner;
}
private final ChannelDataManager mChannelDataManager;
private final Tracker mTracker;
private ChannelDataManager.Listener mListener;
private SendChannelStatusRunnable(ChannelDataManager channelDataManager, Tracker tracker) {
mChannelDataManager = channelDataManager;
mTracker = tracker;
}
@Override
public void run() {
int browsableChannelCount = 0;
List<Channel> channelList = mChannelDataManager.getChannelList();
for (Channel channel : channelList) {
if (channel.isBrowsable()) {
++browsableChannelCount;
}
}
mTracker.sendChannelCount(browsableChannelCount, channelList.size());
}
private void setDbLoadListener(ChannelDataManager.Listener listener) {
if (mListener != null) {
mChannelDataManager.removeListener(mListener);
}
mListener = listener;
if (listener != null) {
mChannelDataManager.addListener(listener);
}
}
}
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