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Editorial Team
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Asked: 2026-06-08T07:37:17+00:00

Assume I have a Mac OS X application which links to WebKit and uses

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Assume I have a Mac OS X application which links to WebKit and uses a WebView to display web content.

If the JavaScript in this webview calls the window.history.pushState() method, how do I detect this in Objective-C?

Ideally, I’m looking for something like an ObjC delegate callback which informs my application: “pushState() was called with these parameters: XXX”.

Note: I am really looking for a solution in ObjC. Assume it is not acceptable for me to muck around with the JS on the page and replace/swizzle the pushState() method in JS.

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1 Answer

  1. Editorial Team

    I found these private APIs in the WebKit source tree. This is exactly what I’m looking for, except that they are private, which may present problems for my particular use case.

    @interface NSObject (WebFrameLoadDelegatePrivate)
...
- (void)webView:(WebView *)wv didPushStateWithinPageForFrame:(WebFrame *)frame ;
- (void)webView:(WebView *)wv didReplaceStateWithinPageForFrame:(WebFrame *)frame;
- (void)webView:(WebView *)wv didPopStateWithinPageForFrame:(WebFrame *)frame;
@end
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