Overview

WTNavigation class

A WTNavigation object represents the Architect World URL during it’s loading state. It might be the case that the URL that was passed to the -loadArchitectWorldFromURL:withRequiredFeatures: is causing some redirects during it’s loading. The returned navigation object can now be used to determine which Architect World finished loading when the -architectView:didFinishLoadArchitectWorldNavigation: delegate method is called. A -isEqual: call on the navigation objects will return YES if the original URL is the same but the finally resolved URL differs. A simple scenario would be a short URL. Passing a short URL to the -loadArchitectWorldFromURL:withRequiredFeatures: method will return the finally resolved URL to the previously prefered -architectView:didFinishLoad: delegate method. The problem here is, that the initial load URL is no longer the same URL that finished loading. The new -architectView:didFinishLoadArchitectWorldNavigation: mehthod now provides the navigation object that was returned by the -loadArchitectWorldFromURL:withRequiredFeatures: method. A simple -isEqual: call now provides the information if the original URL is the same as the final URL and if the load request finished successfully.

A WTNavigation object also provides information about the current loading status on an Architect World. It’s isLoading property represents the underlying web view loading status and can be used to determine the loading status. It might be the case that the WTArchitectView is stopped during an active Architect World load request. If that’s the case, the wasInterrupted property is set to YES and can be used to determine if a reload is required at a later point in time.