added intial classes & files for network information plugin

2026-04-22 00:00:02 +08:00 · 2013-05-15 15:14:00 -07:00
commit 012af5b8c5
6 changed files with 533 additions and 0 deletions
@@ -0,0 +1,87 @@
+/*
+ *
+ * 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.
+ *
+*/
+
+var exec = require('cordova/exec'),
+    cordova = require('cordova'),
+    channel = require('cordova/channel'),
+    utils = require('cordova/utils');
+
+// Link the onLine property with the Cordova-supplied network info.
+// This works because we clobber the naviagtor object with our own
+// object in bootstrap.js.
+if (typeof navigator != 'undefined') {
+    utils.defineGetter(navigator, 'onLine', function() {
+        return this.connection.type != 'none';
+    });
+}
+
+function NetworkConnection() {
+    this.type = 'unknown';
+}
+
+/**
+ * Get connection info
+ *
+ * @param {Function} successCallback The function to call when the Connection data is available
+ * @param {Function} errorCallback The function to call when there is an error getting the Connection data. (OPTIONAL)
+ */
+NetworkConnection.prototype.getInfo = function(successCallback, errorCallback) {
+    exec(successCallback, errorCallback, "NetworkStatus", "getConnectionInfo", []);
+};
+
+var me = new NetworkConnection();
+var timerId = null;
+var timeout = 500;
+
+channel.onCordovaReady.subscribe(function() {
+    me.getInfo(function(info) {
+        me.type = info;
+        if (info === "none") {
+            // set a timer if still offline at the end of timer send the offline event
+            timerId = setTimeout(function(){
+                cordova.fireDocumentEvent("offline");
+                timerId = null;
+            }, timeout);
+        } else {
+            // If there is a current offline event pending clear it
+            if (timerId !== null) {
+                clearTimeout(timerId);
+                timerId = null;
+            }
+            cordova.fireDocumentEvent("online");
+        }
+
+        // should only fire this once
+        if (channel.onCordovaConnectionReady.state !== 2) {
+            channel.onCordovaConnectionReady.fire();
+        }
+    },
+    function (e) {
+        // If we can't get the network info we should still tell Cordova
+        // to fire the deviceready event.
+        if (channel.onCordovaConnectionReady.state !== 2) {
+            channel.onCordovaConnectionReady.fire();
+        }
+        console.log("Error initializing Network Connection: " + e);
+    });
+});
+
+module.exports = me;