fix(ios): handle when new proxies are created with dictionary arguments

iphone/TitaniumKit/TitaniumKit/Sources/API/ObjcProxy.h

@@ -118,6 +118,7 @@ JSExportAs(fireEvent,
   @deprecated Only here for backwards compatibility with SDK < 8.1.0. Use `init` instead.
  */
 - (id)_initWithPageContext:(id<TiEvaluator>)context __attribute__((deprecated));
+- (id)_initWithPageContext:(id<TiEvaluator>)context args:(NSArray *)args __attribute__((deprecated));
 
 // hooks for when an event listener gets added/removed
 - (void)_listenerAdded:(NSString *)type count:(int)count;

iphone/TitaniumKit/TitaniumKit/Sources/API/ObjcProxy.m

@@ -112,6 +112,38 @@ - (id)_initWithPageContext:(id<TiEvaluator>)context
   return [self init];
 }
 
+- (id)_initWithPageContext:(id<TiEvaluator>)context_ args:(NSArray *)args
+{
+  if (self = [self _initWithPageContext:context_]) {
+    NSDictionary *a = nil;
+    NSUInteger count = [args count];
+    if (count > 0 && [[args objectAtIndex:0] isKindOfClass:[NSDictionary class]]) {
+      a = [args objectAtIndex:0];
+    }
+
+    // If we're being created by an old proxy/module but we're a new-style obj-c proxy
+    // we need to handle assigning the properties object passed into the constructor
+    if (a != nil) {
+      // Get the JS object corresponding to "this" proxy
+      // Note that [JSContext currentContext] is nil, so we need to hack and get the global context
+      // TODO: Can we hack in a nice method that gets current context if available, falls back to global context?
+      // Because a lot of the code in the proxy base class assumes current context is not nil
+      KrollContext *krollContext = [context_ krollContext];
+      JSGlobalContextRef ref = krollContext.context;
+      JSValueRef jsValueRef = TiBindingTiValueFromNSObject(ref, self);
+      JSContext *context = [JSContext contextWithJSGlobalContextRef:ref];
+      JSValue *this = [JSValue valueWithJSValueRef:jsValueRef inContext:context];
+
+      // Go through the key/value pairs and set them on "this"
+      for (NSString *key in a) {
+        id value = a[key];
+        this[key] = value;
+      }
+    }
+  }
+  return self;
+}
+
 - (NSURL *)_baseURL
 {
   return baseURL;