Add [WebViewJavascriptBridge enableLogging] for easier debugging

marcuswestin · Oct 7, 2012 · 57d6299 · 57d6299
1 parent 01719a5
commit 57d6299
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Showing 3 changed files with 9 additions and 0 deletions.
diff --git a/ExampleApp/ExampleAppDelegate.m b/ExampleApp/ExampleAppDelegate.m
@@ -10,6 +10,8 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     UIWebView* webView = [[UIWebView alloc] initWithFrame:self.window.bounds];
     [self.window addSubview:webView];
 
+    [WebViewJavascriptBridge enableLogging];
+
     _bridge = [WebViewJavascriptBridge bridgeForWebView:webView handler:^(id data, WVJBResponse *response) {
         NSLog(@"ObjC received message from JS: %@", data);
         UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"ObjC got message from Javascript:" message:data delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];

diff --git a/WebViewJavascriptBridge/WebViewJavascriptBridge.h b/WebViewJavascriptBridge/WebViewJavascriptBridge.h
@@ -7,6 +7,7 @@ typedef void (^WVJBHandler)(id data, WVJBResponse* response);
 @interface WebViewJavascriptBridge : NSObject <UIWebViewDelegate>
 + (id)bridgeForWebView:(UIWebView*)webView handler:(WVJBHandler)handler;
 + (id)bridgeForWebView:(UIWebView*)webView webViewDelegate:(id <UIWebViewDelegate>)webViewDelegate handler:(WVJBHandler)handler;
++ (void)enableLogging;
 - (void)send:(id)message;
 - (void)send:(id)message responseCallback:(WVJBResponseCallback)responseCallback;
 - (void)registerHandler:(NSString*)handlerName handler:(WVJBHandler)handler;

diff --git a/WebViewJavascriptBridge/WebViewJavascriptBridge.m b/WebViewJavascriptBridge/WebViewJavascriptBridge.m
@@ -46,6 +46,9 @@ + (id)bridgeForWebView:(UIWebView *)webView webViewDelegate:(id<UIWebViewDelegat
     return bridge;
 }
 
+static bool logging = false;
++ (void)enableLogging { logging = true; }
+
 - (void)send:(NSDictionary *)data {
     [self send:data responseCallback:nil];
 }
@@ -95,6 +98,7 @@ - (void)_queueMessage:(NSDictionary *)message {
 
 - (void)_dispatchMessage:(NSDictionary *)message {
     NSString *messageJSON = [self _serializeMessage:message];
+    if (logging) { NSLog(@"WVJB: send %@", messageJSON); }
     messageJSON = [messageJSON stringByReplacingOccurrencesOfString:@"\\" withString:@"\\\\"];
     messageJSON = [messageJSON stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
     messageJSON = [messageJSON stringByReplacingOccurrencesOfString:@"\'" withString:@"\\\'"];
@@ -112,10 +116,12 @@ - (void)_flushMessageQueue {
 
         NSString* responseId = [message objectForKey:@"responseId"];
         if (responseId) {
+            if (logging) { NSLog(@"WVJB response: %@", messageJSON); }
             WVJBResponseCallback responseCallback = [_responseCallbacks objectForKey:responseId];
             responseCallback([message objectForKey:@"error"], [message objectForKey:@"responseData"]);
             [_responseCallbacks removeObjectForKey:responseId];
         } else {
+            if (logging) { NSLog(@"WVJB message: %@", messageJSON); }
             WVJBResponse* response = nil;
             if ([message objectForKey:@"callbackId"]) {
                 response = [[WVJBResponse alloc] initWithCallbackId:[message objectForKey:@"callbackId"] bridge:self];