added intial classes & files for network information plugin

src/ios/CDVConnection.h

@@ -0,0 +1,34 @@
+/*
+ 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.
+ */
+
+#import <Foundation/Foundation.h>
+#import "CDVPlugin.h"
+#import "CDVReachability.h"
+
+@interface CDVConnection : CDVPlugin {
+    NSString* type;
+    NSString* _callbackId;
+
+    CDVReachability* internetReach;
+}
+
+@property (copy) NSString* connectionType;
+@property (strong) CDVReachability* internetReach;
+
+@end

src/ios/CDVConnection.m

@@ -0,0 +1,132 @@
+/*
+ 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.
+ */
+
+#import "CDVConnection.h"
+#import "CDVReachability.h"
+
+@interface CDVConnection (PrivateMethods)
+- (void)updateOnlineStatus;
+- (void)sendPluginResult;
+@end
+
+@implementation CDVConnection
+
+@synthesize connectionType, internetReach;
+
+- (void)getConnectionInfo:(CDVInvokedUrlCommand*)command
+{
+    _callbackId = command.callbackId;
+    [self sendPluginResult];
+}
+
+- (void)sendPluginResult
+{
+    CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:self.connectionType];
+
+    [result setKeepCallbackAsBool:YES];
+    [self.commandDelegate sendPluginResult:result callbackId:_callbackId];
+}
+
+- (NSString*)w3cConnectionTypeFor:(CDVReachability*)reachability
+{
+    NetworkStatus networkStatus = [reachability currentReachabilityStatus];
+
+    switch (networkStatus) {
+        case NotReachable:
+            return @"none";
+
+        case ReachableViaWWAN:
+            // Return value of '2g' is deprecated as of 2.6.0 and will be replaced with 'cellular' in 3.0.0
+            return @"2g";
+
+        case ReachableViaWiFi:
+            return @"wifi";
+
+        default:
+            return @"unknown";
+    }
+}
+
+- (BOOL)isCellularConnection:(NSString*)theConnectionType
+{
+    return [theConnectionType isEqualToString:@"2g"] ||
+           [theConnectionType isEqualToString:@"3g"] ||
+           [theConnectionType isEqualToString:@"4g"] ||
+           [theConnectionType isEqualToString:@"cellular"];
+}
+
+- (void)updateReachability:(CDVReachability*)reachability
+{
+    if (reachability) {
+        // check whether the connection type has changed
+        NSString* newConnectionType = [self w3cConnectionTypeFor:reachability];
+        if ([newConnectionType isEqualToString:self.connectionType]) { // the same as before, remove dupes
+            return;
+        } else {
+            self.connectionType = [self w3cConnectionTypeFor:reachability];
+        }
+    }
+    [self sendPluginResult];
+}
+
+- (void)updateConnectionType:(NSNotification*)note
+{
+    CDVReachability* curReach = [note object];
+
+    if ((curReach != nil) && [curReach isKindOfClass:[CDVReachability class]]) {
+        [self updateReachability:curReach];
+    }
+}
+
+- (void)onPause
+{
+    [self.internetReach stopNotifier];
+}
+
+- (void)onResume
+{
+    [self.internetReach startNotifier];
+    [self updateReachability:self.internetReach];
+}
+
+- (CDVPlugin*)initWithWebView:(UIWebView*)theWebView
+{
+    self = [super initWithWebView:theWebView];
+    if (self) {
+        self.connectionType = @"none";
+        self.internetReach = [CDVReachability reachabilityForInternetConnection];
+        self.connectionType = [self w3cConnectionTypeFor:self.internetReach];
+        [self.internetReach startNotifier];
+        [self printDeprecationNotice];
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateConnectionType:)
+                                                     name:kReachabilityChangedNotification object:nil];
+        if (&UIApplicationDidEnterBackgroundNotification && &UIApplicationWillEnterForegroundNotification) {
+            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onPause) name:UIApplicationDidEnterBackgroundNotification object:nil];
+            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onResume) name:UIApplicationWillEnterForegroundNotification object:nil];
+        }
+    }
+    return self;
+}
+
+- (void)printDeprecationNotice
+{
+    NSLog(@"DEPRECATION NOTICE: The Connection ReachableViaWWAN return value of '2g' is deprecated as of Cordova version 2.6.0 and will be changed to 'cellular' in a future release. ");
+}
+
+@end