| /* |
| * 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.ChannelDataManager; |
| import com.android.tv.data.api.Channel; |
| 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 = () -> 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(() -> 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); |
| } |
| } |
| } |