From 815f1ed417bd26fbe2abbdf20ac5d3423b30796c Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Mon, 23 Jul 2012 09:28:44 +0200
Subject: Imported WebKit commit e65cbc5b6ac32627c797e7fc7f46eb7794410c92
 (http://svn.webkit.org/repository/webkit/trunk@123308)

New snapshot with better configure tests
---
 Source/WebCore/html/shadow/SliderThumbElement.cpp | 48 ++++++++++++++++-------
 1 file changed, 33 insertions(+), 15 deletions(-)

(limited to 'Source/WebCore/html/shadow/SliderThumbElement.cpp')

diff --git a/Source/WebCore/html/shadow/SliderThumbElement.cpp b/Source/WebCore/html/shadow/SliderThumbElement.cpp
index 0186fa57d..bb5948690 100644
--- a/Source/WebCore/html/shadow/SliderThumbElement.cpp
+++ b/Source/WebCore/html/shadow/SliderThumbElement.cpp
@@ -74,7 +74,7 @@ inline static bool hasVerticalAppearance(HTMLInputElement* input)
 SliderThumbElement* sliderThumbElementOf(Node* node)
 {
     ASSERT(node);
-    ShadowRoot* shadow = node->toInputElement()->shadow()->oldestShadowRoot();
+    ShadowRoot* shadow = node->toInputElement()->userAgentShadowRoot();
     ASSERT(shadow);
     Node* thumb = shadow->firstChild()->firstChild()->firstChild();
     ASSERT(thumb);
@@ -148,19 +148,38 @@ void RenderSliderContainer::layout()
     // Sets the concrete height if the height of the <input> is not fixed or a
     // percentage value because a percentage height value of this box won't be
     // based on the <input> height in such case.
-    Length inputHeight = input->renderer()->style()->height();
-    RenderObject* trackRenderer = node()->firstChild()->renderer();
-    if (!isVertical && input->renderer()->isSlider() && !inputHeight.isFixed() && !inputHeight.isPercent()) {
-        RenderObject* thumbRenderer = input->shadow()->oldestShadowRoot()->firstChild()->firstChild()->firstChild()->renderer();
-        if (thumbRenderer) {
-            style()->setHeight(thumbRenderer->style()->height());
-            if (trackRenderer)
-                trackRenderer->style()->setHeight(thumbRenderer->style()->height());
+    if (input->renderer()->isSlider()) {
+        if (!isVertical) {
+            RenderObject* trackRenderer = node()->firstChild()->renderer();
+            Length inputHeight = input->renderer()->style()->height();
+            if (!inputHeight.isSpecified()) {
+                RenderObject* thumbRenderer = input->sliderThumbElement()->renderer();
+                if (thumbRenderer) {
+                    Length height = thumbRenderer->style()->height();
+#if ENABLE(DATALIST_ELEMENT)
+                    if (input && input->list()) {
+                        int offsetFromCenter = theme()->sliderTickOffsetFromTrackCenter();
+                        int trackHeight = 0;
+                        if (offsetFromCenter < 0)
+                            trackHeight = -2 * offsetFromCenter;
+                        else {
+                            int tickLength = theme()->sliderTickSize().height();
+                            trackHeight = 2 * (offsetFromCenter + tickLength);
+                        }
+                        float zoomFactor = style()->effectiveZoom();
+                        if (zoomFactor != 1.0)
+                            trackHeight *= zoomFactor;
+                        height = Length(trackHeight, Fixed);
+                    }
+#endif
+                    style()->setHeight(height);
+                }
+            } else {
+                style()->setHeight(Length(100, Percent));
+                if (trackRenderer)
+                    trackRenderer->style()->setHeight(Length());
+            }
         }
-    } else {
-        style()->setHeight(Length(100, Percent));
-        if (trackRenderer)
-            trackRenderer->style()->setHeight(Length());
     }
 
     RenderDeprecatedFlexibleBox::layout();
@@ -405,8 +424,7 @@ const AtomicString& TrackLimiterElement::shadowPseudoId() const
 TrackLimiterElement* trackLimiterElementOf(Node* node)
 {
     ASSERT(node);
-    ASSERT(node->toInputElement()->shadow());
-    ShadowRoot* shadow = node->toInputElement()->shadow()->oldestShadowRoot();
+    ShadowRoot* shadow = node->toInputElement()->userAgentShadowRoot();
     ASSERT(shadow);
     Node* limiter = shadow->firstChild()->lastChild();
     ASSERT(limiter);
-- 
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