fix application in activity notification will not alert in ios10

package.json

@@ -1,6 +1,6 @@
 {
     "name": "jpush-phonegap-plugin",
-    "version": "3.3.0",
+    "version": "3.3.2",
     "description": "JPush for cordova plugin",
     "cordova": {
         "id": "jpush-phonegap-plugin",

plugin.xml

@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
   xmlns:android="http://schemas.android.com/apk/res/android"
   id="jpush-phonegap-plugin"
-  version="3.3.0">
+  version="3.3.2">
 
     <name>JPush</name>
     <description>JPush for cordova plugin</description>

src/ios/Plugins/AppDelegate+JPush.m

@@ -156,7 +156,7 @@ NSDictionary *_launchOptions;
 }
 
 -(void)jpushNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(NSInteger))completionHandler{
-  NSMutableDictionary *userInfo = @[].mutableCopy;
+  NSMutableDictionary *userInfo = @{}.mutableCopy;
   
   if ([notification.request.trigger isKindOfClass:[UNPushNotificationTrigger class]]) {
     userInfo = [self jpushFormatAPNSDic:notification.request.content.userInfo];
@@ -169,8 +169,14 @@ NSDictionary *_launchOptions;
     userInfo[@"identifier"] = notification.request.identifier;
   }
   
-  [JPushPlugin fireDocumentEvent:JPushDocumentEvent_ReceiveNotification jsString:[userInfo toJsonString]];
   completionHandler(UNNotificationPresentationOptionBadge|UNNotificationPresentationOptionSound|UNNotificationPresentationOptionAlert);
+  
+  if ([userInfo[@"aps"][@"content-available"] isEqualToNumber:@(1)]) {// content-available 当用户开启后台推送是，防止触发两次事件
+    return;
+  }
+  
+  [JPushPlugin fireDocumentEvent:JPushDocumentEvent_ReceiveNotification jsString:[userInfo toJsonString]];
+  
 }
 
 -(void)jpushNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)())completionHandler{