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324 lines
11 KiB
Java
324 lines
11 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mounir Lamouri <mounir.lamouri@mozilla.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko;
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import java.lang.Math;
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import android.util.Log;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.telephony.TelephonyManager;
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/*
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* A part of the work of GeckoNetworkManager is to give an estimation of the
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* download speed of the current connection. For known to be fast connection, we
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* simply use a predefined value (we don't care about being precise). For mobile
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* connections, we sort them in groups (generations) and estimate the average
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* real life download speed of that specific generation. This value comes from
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* researches (eg. Wikipedia articles) or is simply an arbitrary estimation.
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* Precision isn't important, we mostly need an order of magnitude.
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*
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* Each group is composed with networks represented by the constant from
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* Android's ConnectivityManager and the description comming from the same
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* class.
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*
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* 2G (15 bk/s):
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* int NETWORK_TYPE_IDEN Current network is iDen
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* int NETWORK_TYPE_CDMA Current network is CDMA: Either IS95A or IS95B
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*
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* 2.5G (60 kb/s)
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* int NETWORK_TYPE_GPRS Current network is GPRS
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* int NETWORK_TYPE_1xRTT Current network is 1xRTT
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*
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* 2.75G (200 kb/s)
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* int NETWORK_TYPE_EDGE Current network is EDGE
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*
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* 3G (300 kb/s)
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* int NETWORK_TYPE_UMTS Current network is UMTS
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* int NETWORK_TYPE_EVDO_0 Current network is EVDO revision 0
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*
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* 3.5G (7 Mb/s)
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* int NETWORK_TYPE_HSPA Current network is HSPA
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* int NETWORK_TYPE_HSDPA Current network is HSDPA
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* int NETWORK_TYPE_HSUPA Current network is HSUPA
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* int NETWORK_TYPE_EVDO_A Current network is EVDO revision A
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* int NETWORK_TYPE_EVDO_B Current network is EVDO revision B
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* int NETWORK_TYPE_EHRPD Current network is eHRPD
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*
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* 3.75G (20 Mb/s)
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* int NETWORK_TYPE_HSPAP Current network is HSPA+
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*
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* 3.9G (50 Mb/s)
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* int NETWORK_TYPE_LTE Current network is LTE
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*/
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public class GeckoNetworkManager
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extends BroadcastReceiver
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{
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static private final GeckoNetworkManager sInstance = new GeckoNetworkManager();
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static private final double kDefaultBandwidth = -1.0;
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static private final boolean kDefaultCanBeMetered = false;
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static private final double kMaxBandwidth = 20.0;
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static private final double kNetworkSpeedEthernet = 20.0; // 20 Mb/s
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static private final double kNetworkSpeedWifi = 20.0; // 20 Mb/s
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static private final double kNetworkSpeedWiMax = 40.0; // 40 Mb/s
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static private final double kNetworkSpeed_2_G = 15.0 / 1024.0; // 15 kb/s
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static private final double kNetworkSpeed_2_5_G = 60.0 / 1024.0; // 60 kb/s
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static private final double kNetworkSpeed_2_75_G = 200.0 / 1024.0; // 200 kb/s
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static private final double kNetworkSpeed_3_G = 300.0 / 1024.0; // 300 kb/s
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static private final double kNetworkSpeed_3_5_G = 7.0; // 7 Mb/s
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static private final double kNetworkSpeed_3_75_G = 20.0; // 20 Mb/s
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static private final double kNetworkSpeed_3_9_G = 50.0; // 50 Mb/s
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private enum NetworkType {
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NETWORK_NONE,
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NETWORK_ETHERNET,
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NETWORK_WIFI,
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NETWORK_WIMAX,
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NETWORK_2_G, // 2G
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NETWORK_2_5_G, // 2.5G
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NETWORK_2_75_G, // 2.75G
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NETWORK_3_G, // 3G
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NETWORK_3_5_G, // 3.5G
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NETWORK_3_75_G, // 3.75G
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NETWORK_3_9_G, // 3.9G
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NETWORK_UNKNOWN
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}
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private NetworkType mNetworkType = NetworkType.NETWORK_NONE;
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private IntentFilter mNetworkFilter = new IntentFilter();
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// Whether the manager should be listening to Network Information changes.
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private boolean mShouldBeListening = false;
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// Whether the manager should notify Gecko that a change in Network
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// Information happened.
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private boolean mShouldNotify = false;
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public static GeckoNetworkManager getInstance() {
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return sInstance;
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}
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@Override
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public void onReceive(Context aContext, Intent aIntent) {
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updateNetworkType();
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}
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public void init() {
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mNetworkFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
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mNetworkType = getNetworkType();
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}
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public void start() {
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mShouldBeListening = true;
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updateNetworkType();
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if (mShouldNotify) {
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startListening();
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}
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}
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private void startListening() {
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GeckoApp.mAppContext.registerReceiver(sInstance, mNetworkFilter);
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}
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public void stop() {
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mShouldBeListening = false;
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if (mShouldNotify) {
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stopListening();
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}
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}
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private void stopListening() {
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GeckoApp.mAppContext.unregisterReceiver(sInstance);
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}
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private void updateNetworkType() {
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NetworkType previousNetworkType = mNetworkType;
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mNetworkType = getNetworkType();
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if (mNetworkType == previousNetworkType || !mShouldNotify) {
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return;
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}
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GeckoAppShell.sendEventToGecko(new GeckoEvent(getNetworkSpeed(mNetworkType),
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isNetworkUsuallyMetered(mNetworkType)));
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}
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public double[] getCurrentInformation() {
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return new double[] { getNetworkSpeed(mNetworkType),
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isNetworkUsuallyMetered(mNetworkType) ? 1.0 : 0.0 };
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}
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public void enableNotifications() {
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// We set mShouldNotify *after* calling updateNetworkType() to make sure we
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// don't notify an eventual change in mNetworkType.
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updateNetworkType();
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mShouldNotify = true;
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if (mShouldBeListening) {
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startListening();
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}
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}
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public void disableNotifications() {
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mShouldNotify = false;
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if (mShouldBeListening) {
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stopListening();
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}
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}
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private static NetworkType getNetworkType() {
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ConnectivityManager cm =
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(ConnectivityManager)GeckoApp.mAppContext.getSystemService(Context.CONNECTIVITY_SERVICE);
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if (cm.getActiveNetworkInfo() == null) {
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return NetworkType.NETWORK_NONE;
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}
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switch (cm.getActiveNetworkInfo().getType()) {
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case ConnectivityManager.TYPE_ETHERNET:
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return NetworkType.NETWORK_ETHERNET;
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case ConnectivityManager.TYPE_WIFI:
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return NetworkType.NETWORK_WIFI;
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case ConnectivityManager.TYPE_WIMAX:
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return NetworkType.NETWORK_WIMAX;
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case ConnectivityManager.TYPE_MOBILE:
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break; // We will handle sub-types after the switch.
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default:
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Log.w("GeckoNetworkManager", "Ignoring the current network type.");
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return NetworkType.NETWORK_UNKNOWN;
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}
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TelephonyManager tm =
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(TelephonyManager)GeckoApp.mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
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switch (tm.getNetworkType()) {
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case TelephonyManager.NETWORK_TYPE_IDEN:
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case TelephonyManager.NETWORK_TYPE_CDMA:
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return NetworkType.NETWORK_2_G;
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case TelephonyManager.NETWORK_TYPE_GPRS:
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case TelephonyManager.NETWORK_TYPE_1xRTT:
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return NetworkType.NETWORK_2_5_G;
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case TelephonyManager.NETWORK_TYPE_EDGE:
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return NetworkType.NETWORK_2_75_G;
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case TelephonyManager.NETWORK_TYPE_UMTS:
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case TelephonyManager.NETWORK_TYPE_EVDO_0:
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return NetworkType.NETWORK_3_G;
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case TelephonyManager.NETWORK_TYPE_HSPA:
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case TelephonyManager.NETWORK_TYPE_HSDPA:
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case TelephonyManager.NETWORK_TYPE_HSUPA:
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case TelephonyManager.NETWORK_TYPE_EVDO_A:
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case TelephonyManager.NETWORK_TYPE_EVDO_B:
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case TelephonyManager.NETWORK_TYPE_EHRPD:
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return NetworkType.NETWORK_3_5_G;
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case TelephonyManager.NETWORK_TYPE_HSPAP:
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return NetworkType.NETWORK_3_75_G;
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case TelephonyManager.NETWORK_TYPE_LTE:
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return NetworkType.NETWORK_3_9_G;
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case TelephonyManager.NETWORK_TYPE_UNKNOWN:
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default:
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Log.w("GeckoNetworkManager", "Connected to an unknown mobile network!");
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return NetworkType.NETWORK_UNKNOWN;
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}
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}
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private static double getNetworkSpeed(NetworkType aType) {
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switch (aType) {
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case NETWORK_NONE:
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return 0.0;
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case NETWORK_ETHERNET:
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return kNetworkSpeedEthernet;
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case NETWORK_WIFI:
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return kNetworkSpeedWifi;
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case NETWORK_WIMAX:
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return kNetworkSpeedWiMax;
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case NETWORK_2_G:
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return kNetworkSpeed_2_G;
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case NETWORK_2_5_G:
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return kNetworkSpeed_2_5_G;
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case NETWORK_2_75_G:
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return kNetworkSpeed_2_75_G;
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case NETWORK_3_G:
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return kNetworkSpeed_3_G;
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case NETWORK_3_5_G:
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return kNetworkSpeed_3_5_G;
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case NETWORK_3_75_G:
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return kNetworkSpeed_3_75_G;
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case NETWORK_3_9_G:
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return kNetworkSpeed_3_9_G;
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case NETWORK_UNKNOWN:
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default:
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return kDefaultBandwidth;
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}
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}
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private static boolean isNetworkUsuallyMetered(NetworkType aType) {
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switch (aType) {
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case NETWORK_NONE:
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case NETWORK_UNKNOWN:
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case NETWORK_ETHERNET:
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case NETWORK_WIFI:
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case NETWORK_WIMAX:
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return false;
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case NETWORK_2_G:
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case NETWORK_2_5_G:
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case NETWORK_2_75_G:
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case NETWORK_3_G:
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case NETWORK_3_5_G:
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case NETWORK_3_75_G:
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case NETWORK_3_9_G:
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return true;
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default:
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Log.e("GeckoNetworkManager", "Got an unexpected network type!");
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return false;
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}
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}
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}
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