Show status bubble for links that have keyboard focus....

webkit/glue/chrome_client_impl.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "AccessibilityObject.h"
 #include "AXObjectCache.h"
 #include "CharacterNames.h"
 #include "Console.h"
@@ skipping 165 matching lines @@
 void ChromeClientImpl::takeFocus(WebCore::FocusDirection direction) {
   if (!webview_->client())
     return;
   if (direction == WebCore::FocusDirectionBackward) {
     webview_->client()->focusPrevious();
   } else {
     webview_->client()->focusNext();
   }
 }
 
+void ChromeClientImpl::focusedNodeChanged(WebCore::Node* node) {
+  WebURL focus_url;
+  if (node && node->isLink()) {
+    // This HitTestResult hack is the easiest way to get a link URL out of a
+    // WebCore::Node.
+    WebCore::HitTestResult hit_test(WebCore::IntPoint(0, 0));
+    // This cast must be valid because of the isLink() check.
+    hit_test.setURLElement(reinterpret_cast<WebCore::Element*>(node));
+    if (hit_test.isLiveLink())
+      focus_url = webkit_glue::KURLToWebURL(hit_test.absoluteLinkURL());
+  }
+  webview_->client()->setKeyboardFocusURL(focus_url);
+}
+
 WebCore::Page* ChromeClientImpl::createWindow(
     WebCore::Frame* frame, const WebCore::FrameLoadRequest& r,
     const WebCore::WindowFeatures& features) {
   if (!webview_->client())
     return NULL;
 
   WebViewImpl* new_view = static_cast<WebViewImpl*>(
       webview_->client()->createView(WebFrameImpl::FromFrame(frame)));
   if (!new_view)
     return NULL;
@@ skipping 427 matching lines @@
   info->itemHeight = popup_container->menuItemHeight();
   info->selectedIndex = popup_container->selectedIndex();
   info->items.swap(output_items);
 }
 
 #if ENABLE(NOTIFICATIONS)
 WebCore::NotificationPresenter* ChromeClientImpl::notificationPresenter() const {
   return webview_->GetNotificationPresenter();
 }
 #endif