Ensure filter and reflection outsets are applied on paint invalidation rect

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 836 matching lines @@
         o->m_bitfields.setPreferredLogicalWidthsDirty(true);
         if (o->style()->hasOutOfFlowPosition()) {
             // A positioned object has no effect on the min/max width of its containing block ever.
             // We can optimize this case and not go up any further.
             break;
         }
         o = container;
     }
 }
 
-LayoutObject* LayoutObject::containerForAbsolutePosition(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped) const
+bool LayoutObject::hasFilterOrReflection() const
 {
+    return (!RuntimeEnabledFeatures::cssBoxReflectFilterEnabled() && hasReflection())
+        || (hasLayer() && toLayoutBoxModelObject(this)->layer()->hasFilterInducingProperty());
+}
+
+LayoutObject* LayoutObject::containerForAbsolutePosition(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped, bool* filterOrReflectionSkipped) const
+{
+    ASSERT(!ancestorSkipped || !*ancestorSkipped);
+    ASSERT(!filterOrReflectionSkipped || !*filterOrReflectionSkipped);
+
     // We technically just want our containing block, but
     // we may not have one if we're part of an uninstalled
     // subtree. We'll climb as high as we can though.
     for (LayoutObject* object = parent(); object; object = object->parent()) {
         if (object->canContainAbsolutePositionObjects())
             return object;
 
         if (ancestorSkipped && object == ancestor)
             *ancestorSkipped = true;
+
+        if (filterOrReflectionSkipped && object->hasFilterOrReflection())
+            *filterOrReflectionSkipped = true;
     }
     return nullptr;
 }
 
-LayoutBlock* LayoutObject::containerForFixedPosition(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped) const
+LayoutBlock* LayoutObject::containerForFixedPosition(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped, bool* filterOrReflectionSkipped) const
 {
     ASSERT(!ancestorSkipped || !*ancestorSkipped);
+    ASSERT(!filterOrReflectionSkipped || !*filterOrReflectionSkipped);
     ASSERT(!isText());
 
     LayoutObject* object = parent();
     for (; object && !object->canContainFixedPositionObjects(); object = object->parent()) {
         if (ancestorSkipped && object == ancestor)
             *ancestorSkipped = true;
+
+        if (filterOrReflectionSkipped && object->hasFilterOrReflection())
+            *filterOrReflectionSkipped = true;
     }
 
     ASSERT(!object || !object->isAnonymousBlock());
     return toLayoutBlock(object);
 }
 
 LayoutBlock* LayoutObject::containingBlockForAbsolutePosition() const
 {
     LayoutObject* o = containerForAbsolutePosition();
 
@@ skipping 1666 matching lines @@
 
     if (layoutObject->document().settings() && layoutObject->document().settings()->shouldRespectImageOrientation())
         return RespectImageOrientation;
 
     if (layoutObject->style() && layoutObject->style()->respectImageOrientation() == RespectImageOrientation)
         return RespectImageOrientation;
 
     return DoNotRespectImageOrientation;
 }
 
-LayoutObject* LayoutObject::container(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped) const
+LayoutObject* LayoutObject::container(const LayoutBoxModelObject* ancestor, bool* ancestorSkipped, bool* filterOrReflectionSkipped) const
 {
     if (ancestorSkipped)
         *ancestorSkipped = false;
+    if (filterOrReflectionSkipped)
+        *filterOrReflectionSkipped = false;
 
     LayoutObject* o = parent();
 
     if (isTextOrSVGChild())
         return o;
 
     EPosition pos = m_style->position();
     if (pos == FixedPosition)
-        return containerForFixedPosition(ancestor, ancestorSkipped);
+        return containerForFixedPosition(ancestor, ancestorSkipped, filterOrReflectionSkipped);
 
     if (pos == AbsolutePosition)
-        return containerForAbsolutePosition(ancestor, ancestorSkipped);
+        return containerForAbsolutePosition(ancestor, ancestorSkipped, filterOrReflectionSkipped);
 
     if (isColumnSpanAll()) {
         LayoutObject* multicolContainer = spannerPlaceholder()->container();
-        if (ancestorSkipped && ancestor) {
+        if ((ancestorSkipped && ancestor) || filterOrReflectionSkipped) {
             // We jumped directly from the spanner to the multicol container. Need to check if
-            // we skipped |paintInvalidationContainer| on the way.
+            // we skipped |ancestor| or filter/reflection on the way.
             for (LayoutObject* walker = parent(); walker && walker != multicolContainer; walker = walker->parent()) {
-                if (walker == ancestor) {
+                if (ancestorSkipped && walker == ancestor)
                     *ancestorSkipped = true;
-                    break;
-                }
+                if (filterOrReflectionSkipped && walker->hasFilterOrReflection())
+                    *filterOrReflectionSkipped = true;
             }
         }
         return multicolContainer;
     }
 
     return o;
 }
 
 LayoutObject* LayoutObject::parentCrossingFrameBoundaries() const
 {
@@ skipping 1084 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif