From b241a84d884293e1ce49a79c75e362c02c0899f9 Mon Sep 17 00:00:00 2001
From: yami <34216515+kn-yami@users.noreply.github.com>
Date: Sun, 16 Dec 2018 16:17:20 +0100
Subject: issue #908 - implement missing parts of CSS mask

---
 layout/style/nsRuleNode.cpp | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

(limited to 'layout/style/nsRuleNode.cpp')

diff --git a/layout/style/nsRuleNode.cpp b/layout/style/nsRuleNode.cpp
index 9b9fc3948..6bcef02a0 100644
--- a/layout/style/nsRuleNode.cpp
+++ b/layout/style/nsRuleNode.cpp
@@ -22,6 +22,7 @@
 #include "mozilla/Unused.h"
 
 #include "mozilla/css/Declaration.h"
+#include "mozilla/TypeTraits.h"
 
 #include "nsAlgorithm.h" // for clamped()
 #include "nsRuleNode.h"
@@ -6800,6 +6801,21 @@ struct BackgroundItemComputer<nsCSSValueList, RefPtr<css::URLValueData>>
   }
 };
 
+template <typename T>
+struct BackgroundItemComputer<nsCSSValueList, T>
+{
+  typedef typename EnableIf<IsEnum<T>::value, T>::Type ComputedType;
+
+  static void ComputeValue(nsStyleContext* aStyleContext,
+                           const nsCSSValueList* aSpecifiedValue,
+                           ComputedType& aComputedValue,
+                           RuleNodeCacheConditions& aConditions)
+  {
+    aComputedValue =
+      static_cast<T>(aSpecifiedValue->mValue.GetIntValue());
+  }
+};
+
 /* Helper function for ComputePositionValue.
  * This function computes a single PositionCoord from two nsCSSValue objects,
  * which represent an edge and an offset from that edge.
@@ -7353,7 +7369,7 @@ nsRuleNode::ComputeBackgroundData(void* aStartStruct,
                     bg->mImage.mLayers,
                     parentBG->mImage.mLayers,
                     &nsStyleImageLayers::Layer::mClip,
-                    uint8_t(NS_STYLE_IMAGELAYER_CLIP_BORDER),
+                    StyleGeometryBox::Border,
                     parentBG->mImage.mClipCount,
                     bg->mImage.mClipCount, maxItemCount, rebuild, conditions);
 
@@ -7372,7 +7388,7 @@ nsRuleNode::ComputeBackgroundData(void* aStartStruct,
                     bg->mImage.mLayers,
                     parentBG->mImage.mLayers,
                     &nsStyleImageLayers::Layer::mOrigin,
-                    uint8_t(NS_STYLE_IMAGELAYER_ORIGIN_PADDING),
+                    StyleGeometryBox::Padding,
                     parentBG->mImage.mOriginCount,
                     bg->mImage.mOriginCount, maxItemCount, rebuild,
                     conditions);
@@ -10005,7 +10021,6 @@ nsRuleNode::ComputeSVGResetData(void* aStartStruct,
            parentSVGReset->mMaskType,
            NS_STYLE_MASK_TYPE_LUMINANCE);
 
-#ifdef MOZ_ENABLE_MASK_AS_SHORTHAND
   uint32_t maxItemCount = 1;
   bool rebuild = false;
 
@@ -10043,7 +10058,7 @@ nsRuleNode::ComputeSVGResetData(void* aStartStruct,
                     svgReset->mMask.mLayers,
                     parentSVGReset->mMask.mLayers,
                     &nsStyleImageLayers::Layer::mClip,
-                    uint8_t(NS_STYLE_IMAGELAYER_CLIP_BORDER),
+                    StyleGeometryBox::Border,
                     parentSVGReset->mMask.mClipCount,
                     svgReset->mMask.mClipCount, maxItemCount, rebuild,
                     conditions);
@@ -10053,7 +10068,7 @@ nsRuleNode::ComputeSVGResetData(void* aStartStruct,
                     svgReset->mMask.mLayers,
                     parentSVGReset->mMask.mLayers,
                     &nsStyleImageLayers::Layer::mOrigin,
-                    uint8_t(NS_STYLE_IMAGELAYER_ORIGIN_BORDER),
+                    StyleGeometryBox::Border,
                     parentSVGReset->mMask.mOriginCount,
                     svgReset->mMask.mOriginCount, maxItemCount, rebuild,
                     conditions);
@@ -10113,21 +10128,6 @@ nsRuleNode::ComputeSVGResetData(void* aStartStruct,
   if (rebuild) {
     FillAllBackgroundLists(svgReset->mMask, maxItemCount);
   }
-#else
-  // mask: none | <url>
-  const nsCSSValue* maskValue = aRuleData->ValueForMask();
-  if (eCSSUnit_URL == maskValue->GetUnit()) {
-    svgReset->mMask.mLayers[0].mSourceURI = maskValue->GetURLStructValue();
-  } else if (eCSSUnit_None == maskValue->GetUnit() ||
-             eCSSUnit_Initial == maskValue->GetUnit() ||
-             eCSSUnit_Unset == maskValue->GetUnit()) {
-    svgReset->mMask.mLayers[0].mSourceURI = nullptr;
-  } else if (eCSSUnit_Inherit == maskValue->GetUnit()) {
-    conditions.SetUncacheable();
-    svgReset->mMask.mLayers[0].mSourceURI =
-      parentSVGReset->mMask.mLayers[0].mSourceURI;
-  }
-#endif
 
   COMPUTE_END_RESET(SVGReset, svgReset)
 }
-- 
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