implement lime.ui.Haptic.vibrate(...) for iOS

-Basic implementation, but works-

project/Build.xml

@@ -235,6 +235,7 @@
 		<file name="src/system/System.mm" if="ios" />
 		<file name="src/ui/DropEvent.cpp" />
 		<file name="src/ui/GamepadEvent.cpp" />
+		<file name="src/ui/Haptic.mm" if="ios" />
 		<file name="src/ui/JoystickEvent.cpp" />
 		<file name="src/ui/KeyEvent.cpp" />
 		<file name="src/ui/MouseEvent.cpp" />

project/include/ui/Haptic.h

@@ -0,0 +1,21 @@
+#ifndef LIME_UI_HAPTIC_H
+#define LIME_UI_HAPTIC_H
+
+
+namespace lime {
+	
+	
+	class Haptic {
+		
+		public:
+			#ifdef IPHONE
+			static void Vibrate (int period, int duration);
+			#endif
+
+	};
+	
+	
+}
+
+
+#endif

project/src/ExternalInterface.cpp

@@ -33,6 +33,7 @@
 #include <ui/FileDialog.h>
 #include <ui/Gamepad.h>
 #include <ui/GamepadEvent.h>
+#include <ui/Haptic.h>
 #include <ui/Joystick.h>
 #include <ui/JoystickEvent.h>
 #include <ui/KeyEvent.h>
@@ -696,6 +697,13 @@ namespace lime {
 		
 	}
 	
+	void lime_haptic_vibrate (int period, int duration) {
+
+		#ifdef IPHONE
+		Haptic::Vibrate(period, duration);
+		#endif
+
+	}
 	
 	value lime_image_encode (value buffer, int type, int quality, value bytes) {
 		
@@ -1669,6 +1677,7 @@ namespace lime {
 	DEFINE_PRIME1 (lime_gamepad_get_device_name);
 	DEFINE_PRIME2 (lime_gzip_compress);
 	DEFINE_PRIME2 (lime_gzip_decompress);
+	DEFINE_PRIME2 (lime_haptic_vibrate);
 	DEFINE_PRIME3v (lime_image_data_util_color_transform);
 	DEFINE_PRIME6v (lime_image_data_util_copy_channel);
 	DEFINE_PRIME7v (lime_image_data_util_copy_pixels);

project/src/ui/Haptic.mm

@@ -0,0 +1,15 @@
+#include <ui/Haptic.h>
+
+#import <AudioToolbox/AudioServices.h>
+
+namespace lime {
+	
+	
+	void Haptic::Vibrate (int period, int duration) {
+		
+		AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
+		
+	}
+	
+	
+}