Fix element visibility check for validation bubbles and SELECT popups.

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 77 matching lines @@
 #include "core/events/EventDispatcher.h"
 #include "core/events/FocusEvent.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/HostsUsingFeatures.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/ScrollToOptions.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
+#include "core/frame/VisualViewport.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/ClassList.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormControlsCollection.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLOptionsCollection.h"
@@ skipping 900 matching lines @@
     if (quads.isEmpty())
         return IntRect();
 
     IntRect result = quads[0].enclosingBoundingBox();
     for (size_t i = 1; i < quads.size(); ++i)
         result.unite(quads[i].enclosingBoundingBox());
 
     return view->contentsToViewport(result);
 }
 
+IntRect Element::visibleBoundsInVisualViewport() const
+{
+    if (!layoutObject() || !document().page())
+        return IntRect();
+    // TODO(tkent): Can we check invisibility by scrollable non-frame elements?
+
+    IntSize viewportSize = document().page()->frameHost().visualViewport().size();
+    IntRect rect(0, 0, viewportSize.width(), viewportSize.height());
+    // We don't use absoluteBoundingBoxRect() because it can return an IntRect
+    // larger the actual size by 1px. crbug.com/470503
+    rect.intersect(document().view()->contentsToViewport(roundedIntRect(layoutObject()->absoluteBoundingBoxFloatRect())));
+    return rect;
+}
+
 ClientRectList* Element::getClientRects()
 {
     document().updateStyleAndLayoutIgnorePendingStylesheetsForNode(this);
 
     LayoutObject* elementLayoutObject = layoutObject();
     if (!elementLayoutObject || (!elementLayoutObject->isBoxModelObject() && !elementLayoutObject->isBR()))
         return ClientRectList::create();
 
     // FIXME: Handle SVG elements.
     // FIXME: Handle table/inline-table with a caption.
@@ skipping 2756 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink