/** {@inheritDoc} */ public void dispose() { if (this.disposed) // Do not dispose the WebView multiple times return; try { // Remove the notification adapter if (webViewWindowPtr != 0 && observerPtr != 0) WindowsWebViewJNI.removeWindowUpdateObserver(webViewWindowPtr, observerPtr); // Free the native WebView object associated with this Java WebView object. if (webViewWindowPtr != 0) { WindowsWebViewJNI.releaseWebView(webViewWindowPtr); // Decrement the instance counter. Only do this if the webViewWindow pointer was non-zero, // indicating // that native resources were actually allocated. instances.decrementAndGet(); } if (observerPtr != 0) WindowsWebViewJNI.releaseComObject(observerPtr); this.webViewWindowPtr = 0; this.observerPtr = 0; // Terminate the message loop thread if this is the last active instance. this.stopMessageLoopIfNoInstances(); this.disposed = true; } catch (Exception e) { Logging.logger() .log( Level.SEVERE, Logging.getMessage("generic.ExceptionAttemptingToDisposeRenderable"), e); } }