#2 Add 'isRegistered' function

Author: EddyVerbruggen

src/android/com/plugin/gcm/PushPlugin.java

@@ -24,6 +24,7 @@ public class PushPlugin extends CordovaPlugin {
 
 	public static final String REGISTER = "register";
 	public static final String UNREGISTER = "unregister";
+	public static final String IS_REGISTERED = "isRegistered";
 	public static final String EXIT = "exit";
 
 	private static CordovaWebView gWebView;
@@ -77,7 +78,15 @@ public boolean execute(String action, JSONArray data, CallbackContext callbackCo
 				gCachedExtras = null;
 			}
 
-		} else if (UNREGISTER.equals(action)) {
+		} else if (IS_REGISTERED.equals(action)) {
+
+      Log.v(TAG, "IS_REGISTERED");
+      final boolean registered = GCMRegistrar.isRegistered(getApplicationContext());
+      Log.d(TAG, "isRegistered? " + registered);
+      callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, registered));
+      result = true;
+
+    } else if (UNREGISTER.equals(action)) {
 
 			GCMRegistrar.unregister(getApplicationContext());
 

src/ios/PushPlugin.h

@@ -46,6 +46,8 @@
 
 - (void)register:(CDVInvokedUrlCommand*)command;
 
+- (void)isRegistered:(CDVInvokedUrlCommand*)command;
+
 - (void)didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken;
 - (void)didFailToRegisterForRemoteNotificationsWithError:(NSError *)error;
 

src/ios/PushPlugin.m

@@ -43,6 +43,20 @@ - (void)unregister:(CDVInvokedUrlCommand*)command;
     [self successWithMessage:@"unregistered"];
 }
 
+- (void)isRegistered:(CDVInvokedUrlCommand*)command;
+{
+  self.callbackId = command.callbackId;
+  BOOL registered;
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000
+    registered = [[UIApplication sharedApplication] isRegisteredForRemoteNotifications];
+#else
+    UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
+    registered = types != UIRemoteNotificationTypeNone;
+#endif
+    CDVPluginResult *commandResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:registered];
+    [self.commandDelegate sendPluginResult:commandResult callbackId:self.callbackId];
+}
+
 - (void)register:(CDVInvokedUrlCommand*)command;
 {
 	self.callbackId = command.callbackId;

www/PushNotification.js

@@ -36,17 +36,35 @@ PushNotification.prototype.unregister = function(successCallback, errorCallback,
      cordova.exec(successCallback, errorCallback, "PushPlugin", "unregister", [options]);
 };
 
-    // Call this if you want to show toast notification on WP8
-    PushNotification.prototype.showToastNotification = function (successCallback, errorCallback, options) {
-        if (errorCallback == null) { errorCallback = function () { } }
+// Check to see if we've already registered
+PushNotification.prototype.isRegistered = function(successCallback, errorCallback) {
+    if (errorCallback == null) { errorCallback = function() {}}
+
+    if (typeof errorCallback != "function")  {
+        console.log("PushNotification.isRegistered failure: failure parameter not a function");
+        return
+    }
+
+    if (typeof successCallback != "function") {
+        console.log("PushNotification.isRegistered failure: success callback parameter must be a function");
+        return
+    }
+
+    cordova.exec(successCallback, errorCallback, "PushPlugin", "isRegistered", []);
+};
 
-        if (typeof errorCallback != "function") {
-            console.log("PushNotification.register failure: failure parameter not a function");
-            return
-        }
+// Call this if you want to show toast notification on WP8
+PushNotification.prototype.showToastNotification = function (successCallback, errorCallback, options) {
+    if (errorCallback == null) { errorCallback = function () { } }
 
-        cordova.exec(successCallback, errorCallback, "PushPlugin", "showToastNotification", [options]);
+    if (typeof errorCallback != "function") {
+        console.log("PushNotification.register failure: failure parameter not a function");
+        return
     }
+
+    cordova.exec(successCallback, errorCallback, "PushPlugin", "showToastNotification", [options]);
+};
+
 // Call this to set the application icon badge
 PushNotification.prototype.setApplicationIconBadgeNumber = function(successCallback, errorCallback, badge) {
     if (errorCallback == null) { errorCallback = function() {}}