WKWebViewJavascriptBridge successfully using Base class with delegate JS execution

Author: lokimeyburg

WebViewJavascriptBridge/WKWebViewJavascriptBridge.h

@@ -32,6 +32,9 @@ typedef void (^WVJBHandler)(id data, WVJBResponseCallback responseCallback);
 - (void)callHandler:(NSString*)handlerName data:(id)data responseCallback:(WVJBResponseCallback)responseCallback;
 - (void)reset;
 
+// delegate method
+- (void) _evaluateJavascript:(NSString*)javascriptCommand;
+
 @end
 
 #endif

WebViewJavascriptBridge/WKWebViewJavascriptBridge.m

@@ -18,6 +18,8 @@ @implementation WKWebViewJavascriptBridge {
     WebViewJavascriptBridgeBase *_base;
 }
 
+//@synthesize delegate;
+
 /* API
  *****/
 
@@ -86,6 +88,7 @@ - (void) _platformSpecificSetup:(WKWebView*)webView webViewDelegate:(id<WKNaviga
     _webViewDelegate = webViewDelegate;
     _webView.navigationDelegate = self;
     _base = [[WebViewJavascriptBridgeBase alloc] initWithWebViewType:@"WKWebView" handler:(WVJBHandler)messageHandler resourceBundle:(NSBundle*)bundle];
+    _base.delegate = self;
 }
 
 
@@ -162,6 +165,11 @@ - (void)webView:(WKWebView *)webView
     }
 }
 
+- (void) _evaluateJavascript:(NSString*)javascriptCommand
+{
+    [_webView evaluateJavaScript:javascriptCommand completionHandler:nil];
+}
+
 
 
 @end

WebViewJavascriptBridge/WebViewJavascriptBridgeBase.h

@@ -14,8 +14,18 @@ typedef void (^WVJBResponseCallback)(id responseData);
 typedef void (^WVJBHandler)(id data, WVJBResponseCallback responseCallback);
 typedef NSDictionary WVJBMessage;
 
+
+// setup delegate
+@protocol WebViewJavascriptBridgeBaseDelegate <NSObject>
+- (void) _evaluateJavascript:(NSString*)javascriptCommand;
+@end
+
+
+
 @interface WebViewJavascriptBridgeBase : NSObject
 
+// Delegate property
+@property (assign) id <WebViewJavascriptBridgeBaseDelegate> delegate;
 @property (strong, nonatomic) NSMutableArray* startupMessageQueue;
 @property (strong, nonatomic) NSMutableDictionary* responseCallbacks;
 @property (strong, nonatomic) NSMutableDictionary* messageHandlers;

WebViewJavascriptBridge/WebViewJavascriptBridgeBase.m

@@ -98,10 +98,6 @@ - (void)_dispatchMessage:(WVJBMessage*)message {
 }
 
 
-- (void) _evaluateJavascript:(NSString *)javascriptCommand {
-    NSLog(@"----> TODO: Do this method! DEBUG: Evaluating javascript!");
-}
-
 - (void)_flushMessageQueue:(NSString *)messageQueueString{
     id messages = [self _deserializeMessageJSON:messageQueueString];
     if (![messages isKindOfClass:[NSArray class]]) {
@@ -223,6 +219,10 @@ -(NSString *) webViewJavascriptFetchQueyCommand {
     return @"WebViewJavascriptBridge._fetchQueue();";
 }
 
+- (void) _evaluateJavascript:(NSString *)javascriptCommand {
+    [self.delegate _evaluateJavascript:javascriptCommand];
+}
+