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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.feeds;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.annotation.Nullable;
import android.support.v4.net.ConnectivityManagerCompat;
import android.util.Log;
import com.keepsafe.switchboard.SwitchBoard;
import org.mozilla.gecko.AppConstants;
import org.mozilla.gecko.GeckoProfile;
import org.mozilla.gecko.GeckoSharedPrefs;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.feeds.action.FeedAction;
import org.mozilla.gecko.feeds.action.CheckForUpdatesAction;
import org.mozilla.gecko.feeds.action.EnrollSubscriptionsAction;
import org.mozilla.gecko.feeds.action.SetupAlarmsAction;
import org.mozilla.gecko.feeds.action.SubscribeToFeedAction;
import org.mozilla.gecko.feeds.action.WithdrawSubscriptionsAction;
import org.mozilla.gecko.preferences.GeckoPreferences;
import org.mozilla.gecko.Experiments;
/**
* Background service for subscribing to and checking website feeds to notify the user about updates.
*/
public class FeedService extends IntentService {
private static final String LOGTAG = "GeckoFeedService";
public static final String ACTION_SETUP = AppConstants.ANDROID_PACKAGE_NAME + ".FEEDS.SETUP";
public static final String ACTION_SUBSCRIBE = AppConstants.ANDROID_PACKAGE_NAME + ".FEEDS.SUBSCRIBE";
public static final String ACTION_CHECK = AppConstants.ANDROID_PACKAGE_NAME + ".FEEDS.CHECK";
public static final String ACTION_ENROLL = AppConstants.ANDROID_PACKAGE_NAME + ".FEEDS.ENROLL";
public static final String ACTION_WITHDRAW = AppConstants.ANDROID_PACKAGE_NAME + ".FEEDS.WITHDRAW";
public static void setup(Context context) {
Intent intent = new Intent(context, FeedService.class);
intent.setAction(ACTION_SETUP);
context.startService(intent);
}
public static void subscribe(Context context, String feedUrl) {
Intent intent = new Intent(context, FeedService.class);
intent.setAction(ACTION_SUBSCRIBE);
intent.putExtra(SubscribeToFeedAction.EXTRA_FEED_URL, feedUrl);
context.startService(intent);
}
public FeedService() {
super(LOGTAG);
}
private BrowserDB browserDB;
@Override
public void onCreate() {
super.onCreate();
browserDB = BrowserDB.from(this);
}
@Override
protected void onHandleIntent(Intent intent) {
try {
if (intent == null) {
return;
}
Log.d(LOGTAG, "Service started with action: " + intent.getAction());
if (!isInExperiment(this)) {
Log.d(LOGTAG, "Not in content notifications experiment. Skipping.");
return;
}
FeedAction action = createActionForIntent(intent);
if (action == null) {
Log.d(LOGTAG, "No action to process");
return;
}
if (action.requiresPreferenceEnabled() && !isPreferenceEnabled()) {
Log.d(LOGTAG, "Preference is disabled. Skipping.");
return;
}
if (action.requiresNetwork() && !isConnectedToUnmeteredNetwork()) {
// For now just skip if we are not connected or the network is metered. We do not want
// to use precious mobile traffic.
Log.d(LOGTAG, "Not connected to a network or network is metered. Skipping.");
return;
}
action.perform(browserDB, intent);
} finally {
FeedAlarmReceiver.completeWakefulIntent(intent);
}
Log.d(LOGTAG, "Done.");
}
@Nullable
private FeedAction createActionForIntent(Intent intent) {
final Context context = getApplicationContext();
switch (intent.getAction()) {
case ACTION_SETUP:
return new SetupAlarmsAction(context);
case ACTION_SUBSCRIBE:
return new SubscribeToFeedAction(context);
case ACTION_CHECK:
return new CheckForUpdatesAction(context);
case ACTION_ENROLL:
return new EnrollSubscriptionsAction(context);
case ACTION_WITHDRAW:
return new WithdrawSubscriptionsAction(context);
default:
throw new AssertionError("Unknown action: " + intent.getAction());
}
}
private boolean isConnectedToUnmeteredNetwork() {
ConnectivityManager manager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
if (networkInfo == null || !networkInfo.isConnected()) {
return false;
}
return !ConnectivityManagerCompat.isActiveNetworkMetered(manager);
}
public static boolean isInExperiment(Context context) {
return SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_12HRS) ||
SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_5PM) ||
SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_8AM);
}
public static String getEnabledExperiment(Context context) {
String experiment = null;
if (SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_12HRS)) {
experiment = Experiments.CONTENT_NOTIFICATIONS_12HRS;
} else if (SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_8AM)) {
experiment = Experiments.CONTENT_NOTIFICATIONS_8AM;
} else if (SwitchBoard.isInExperiment(context, Experiments.CONTENT_NOTIFICATIONS_5PM)) {
experiment = Experiments.CONTENT_NOTIFICATIONS_5PM;
}
return experiment;
}
private boolean isPreferenceEnabled() {
return GeckoSharedPrefs.forApp(this).getBoolean(GeckoPreferences.PREFS_NOTIFICATIONS_CONTENT, true);
}
}
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