Initial iOS support

plugin.xml

@@ -25,6 +25,13 @@
     		</feature>
         </config-file>
 
+        <config-file target="*-Info.plist" parent="CFBundleURLTypes">
+            <key>UIBackgroundModes</key>
+            <array>
+                <string>location</string>
+            </array>
+        </config-file>
+
     	<header-file src="src/ios/APPBackgroundMode.h" />
     	<source-file src="src/ios/APPBackgroundMode.m" />
     </platform>

src/ios/APPBackgroundMode.h

@@ -9,6 +9,7 @@
 
 #import <Foundation/Foundation.h>
 #import <Cordova/CDVPlugin.h>
+#import <CoreLocation/CoreLocation.h>
 
 @interface APPBackgroundMode : CDVPlugin
 
@@ -17,4 +18,6 @@
 // Deaktiviert den Hintergrundmodus
 - (void) deactivateMode;
 
+@property (nonatomic, strong) CLLocationManager* locationManager;
+
 @end

src/ios/APPBackgroundMode.m

@@ -11,16 +11,42 @@
 
 @implementation APPBackgroundMode
 
+@synthesize locationManager;
+
 // Aktiviert den Hintergrundmodus
 - (void) activateMode
 {
+    if (!locationManager) {
+        locationManager = [[CLLocationManager alloc] init];
+    };
 
+#ifdef __IPHONE_6_0
+    locationManager.activityType = CLActivityTypeFitness;
+#endif
+
+    // Empfängt nur Nachrichten, wenn sich die Position um 1km geändert hat
+    locationManager.distanceFilter = 1000;
+    // Startet das Aktualisieren des Standpunktes
+    [locationManager startUpdatingLocation];
 }
 
 // Deaktiviert den Hintergrundmodus
 - (void) deactivateMode
 {
+    if (locationManager) {
+        [locationManager stopUpdatingLocation];
+    };
+}
 
+// Registriert sich für die (sleep/resume) Events und startet bzw. stoppt die Geo-Lokalisierung
+- (void) pluginInitialize
+{
+    if (&UIApplicationDidEnterBackgroundNotification && &UIApplicationWillEnterForegroundNotification) {
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(activateMode) name:UIApplicationDidEnterBackgroundNotification object:nil];
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(deactivateMode) name:UIApplicationWillEnterForegroundNotification object:nil];
+    } else {
+        [self activateMode];
+    }
 }
 
 @end