iOS - update new API

1.添加检测用户通知设置的 API

src/ios/Plugins/JPushPlugin.h

@@ -58,6 +58,9 @@
 //地理位置上报 [latitude,longitude]
 -(void)setLocation:(CDVInvokedUrlCommand*)command;
 
+//检查用户的推送设置情况
+-(void)getUserNotificationSettings:(CDVInvokedUrlCommand*)command;
+
 /*
  *  以下为js中可监听到的事件
  *  jpush.openNotification      点击推送消息启动或唤醒app

src/ios/Plugins/JPushPlugin.m

@@ -259,6 +259,19 @@ static NSDictionary *_launchOptions = nil;
     [JPUSHService setLatitude:[((NSString*)command.arguments[0]) doubleValue] longitude:[((NSString*)command.arguments[1]) doubleValue]];
 }
 
+-(void)getUserNotificationSettings:(CDVInvokedUrlCommand*)command{
+    if ([[UIDevice currentDevice].systemVersion floatValue] >= 8.0) {
+        UIUserNotificationSettings *settings = [[UIApplication sharedApplication] currentUserNotificationSettings];
+        NSString *description = [settings description];
+        [self handleResultWithValue:description command:command];
+    }else{
+        UIRemoteNotificationType type = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
+        NSNumber *number = [NSNumber numberWithInteger:type];
+        [self handleResultWithValue:number command:command];
+    }
+
+}
+
 #pragma mark- 内部方法
 +(void)setLaunchOptions:(NSDictionary *)theLaunchOptions{
     _launchOptions = theLaunchOptions;