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/* This file was modified from or inspired by Apache Cordova. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.polyvi.xface.extension; import org.json.JSONArray; import org.json.JSONException; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.ConnectivityManager; import android.net.NetworkInfo; import com.polyvi.xface.plugin.api.XIWebContext; import com.polyvi.xface.util.XLog; public class XNetworkConnectionExt extends XExtension { private final String CLASS_NAME = XNetworkConnectionExt.class.getSimpleName(); /** NetworkConnection ??js???*/ private static final String COMMAND_GET_CONNECTIONINFO = "getConnectionInfo"; public static int NOT_REACHABLE = 0; public static int REACHABLE_VIA_CARRIER_DATA_NETWORK = 1; public static int REACHABLE_VIA_WIFI_NETWORK = 2; public static final String WIFI = "wifi"; public static final String WIMAX = "wimax"; // mobile public static final String MOBILE = "mobile"; // 2G network types public static final String GSM = "gsm"; public static final String GPRS = "gprs"; public static final String EDGE = "edge"; // 3G network types public static final String CDMA = "cdma"; public static final String UMTS = "umts"; public static final String HSPA = "hspa"; public static final String HSUPA = "hsupa"; public static final String HSDPA = "hsdpa"; public static final String ONEXRTT = "1xrtt"; public static final String EHRPD = "ehrpd"; // 4G network types public static final String LTE = "lte"; public static final String UMB = "umb"; public static final String HSPA_PLUS = "hspa+"; // return types public static final String TYPE_UNKNOWN = "unknown"; public static final String TYPE_ETHERNET = "ethernet"; public static final String TYPE_WIFI = "wifi"; public static final String TYPE_2G = "2g"; public static final String TYPE_3G = "3g"; public static final String TYPE_4G = "4g"; public static final String TYPE_NONE = "none"; private ConnectivityManager mSockMan; private BroadcastReceiver mReceiver; private XCallbackContext mCallbackCtx; public XNetworkConnectionExt() { this.mReceiver = null; } @Override public void init(XExtensionContext extensionContext, XIWebContext webContext) { super.init(extensionContext, webContext); initConnectionContext(); } @Override public void sendAsyncResult(String result) { } @Override public boolean isAsync(String action) { return true; } @Override public XExtensionResult exec(String action, JSONArray args, XCallbackContext callbackCtx) throws JSONException { XExtensionResult.Status status = XExtensionResult.Status.INVALID_ACTION; String result = "Unsupported Operation: " + action; mCallbackCtx = callbackCtx; if (action.equals(COMMAND_GET_CONNECTIONINFO)) { NetworkInfo info = mSockMan.getActiveNetworkInfo(); XExtensionResult pluginResult = new XExtensionResult(XExtensionResult.Status.OK, this.getConnectionInfo(info)); pluginResult.setKeepCallback(true); return pluginResult; } return new XExtensionResult(status, result); } /** * ? plugin NetworkConnection . * Android ??BroadcastReceiver Android broadcast * */ public void initConnectionContext() { Context context = getContext(); this.mSockMan = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); // ????connection IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); if (this.mReceiver == null) { this.mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateConnectionInfo( (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO)); } }; context.registerReceiver(this.mReceiver, intentFilter); } } //-------------------------------------------------------------------------- // LOCAL METHODS //-------------------------------------------------------------------------- /** * connection?JS?. * * @param info ?? * @return */ private void updateConnectionInfo(NetworkInfo info) { // ???JS"xFace.network.connection" sendUpdate(this.getConnectionInfo(info)); } /** * ?. * * @param info ?? * @return ? JSONObject */ private String getConnectionInfo(NetworkInfo info) { String type = TYPE_NONE; if (null != info) { // typenone if (!info.isConnected()) { type = TYPE_NONE; } else { type = getType(info); } } return type; } /** * ? plugin resultJS. * * @param type xFace.network.connection.type */ private void sendUpdate(String type) { if (null != mCallbackCtx) { XExtensionResult result = new XExtensionResult(XExtensionResult.Status.OK, type); result.setKeepCallback(true); mCallbackCtx.sendExtensionResult(result); } // TODO: ???plugin // XExtensionManager.postMessage("networkconnection", type); // ? plugin onMessage() ???. } /** * . * * @param info ?? * @return ? */ private String getType(NetworkInfo info) { if (null != info) { String type = info.getTypeName(); if (type.toLowerCase().equals(WIFI)) { return TYPE_WIFI; } else if (type.toLowerCase().equals(MOBILE)) { type = info.getSubtypeName(); if (type.toLowerCase().equals(GSM) || type.toLowerCase().equals(GPRS) || type.toLowerCase().equals(EDGE)) { return TYPE_2G; } else if (type.toLowerCase().startsWith(CDMA) || type.toLowerCase().equals(UMTS) || type.toLowerCase().equals(ONEXRTT) || type.toLowerCase().equals(EHRPD) || type.toLowerCase().equals(HSUPA) || type.toLowerCase().equals(HSDPA) || type.toLowerCase().equals(HSPA)) { return TYPE_3G; } else if (type.toLowerCase().equals(LTE) || type.toLowerCase().equals(UMB) || type.toLowerCase().equals(HSPA_PLUS)) { return TYPE_4G; } } } else { return TYPE_NONE; } return TYPE_UNKNOWN; } @Override public void destroy() { if (null != mReceiver) { try { getContext().unregisterReceiver(mReceiver); mReceiver = null; } catch (Exception e) { XLog.e(CLASS_NAME, "Error unregistering networkconnection receiver: " + e.getMessage(), e); } } } }