Merge pull request #223 from hotwired/visit-rendered-callback

Add a visitRendered() callback that web fragments can use

Author: jayohms

turbo/src/main/kotlin/dev/hotwire/turbo/delegates/TurboWebFragmentDelegate.kt

@@ -191,6 +191,7 @@ internal class TurboWebFragmentDelegate(
     }
 
     override fun visitRendered() {
+        callback.onVisitRendered(location)
         navDestination.fragmentViewModel.setTitle(title())
         removeTransitionalViews()
     }

turbo/src/main/kotlin/dev/hotwire/turbo/fragments/TurboWebFragmentCallback.kt

@@ -56,6 +56,13 @@ interface TurboWebFragmentCallback {
      */
     fun onVisitStarted(location: String) {}
 
+    /**
+     * Called when a Turbo visit has rendered (from a cached snapshot or
+     * from a fresh network request). This may be called multiple times
+     * during a normal visit lifecycle.
+     */
+    fun onVisitRendered(location: String) {}
+
     /**
      * Called when a Turbo visit has completed.
      */