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/nsCSSParser.cpp | 31 +++++++++++--------------------
 1 file changed, 11 insertions(+), 20 deletions(-)

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

diff --git a/layout/style/nsCSSParser.cpp b/layout/style/nsCSSParser.cpp
index 736c66f87..a8309314f 100644
--- a/layout/style/nsCSSParser.cpp
+++ b/layout/style/nsCSSParser.cpp
@@ -12005,7 +12005,6 @@ CSSParserImpl::ParsePropertyByFunction(nsCSSPropertyID aPropID)
     return ParsePaintOrder();
   case eCSSProperty_scroll_snap_type:
     return ParseScrollSnapType();
-#ifdef MOZ_ENABLE_MASK_AS_SHORTHAND
   case eCSSProperty_mask:
     return ParseImageLayers(nsStyleImageLayers::kMaskLayerTable);
   case eCSSProperty_mask_repeat:
@@ -12018,7 +12017,6 @@ CSSParserImpl::ParsePropertyByFunction(nsCSSPropertyID aPropID)
                aPropID == eCSSProperty_mask_position_x);
   case eCSSProperty_mask_size:
     return ParseImageLayerSize(eCSSProperty_mask_size);
-#endif
   case eCSSProperty__webkit_text_stroke:
     return ParseWebkitTextStroke();
   case eCSSProperty_all:
@@ -12424,7 +12422,7 @@ CSSParserImpl::ParseImageLayersItem(
   aState.mImage->mValue.SetNoneValue();
   aState.mAttachment->mValue.SetIntValue(NS_STYLE_IMAGELAYER_ATTACHMENT_SCROLL,
                                          eCSSUnit_Enumerated);
-  aState.mClip->mValue.SetIntValue(NS_STYLE_IMAGELAYER_CLIP_BORDER,
+  aState.mClip->mValue.SetIntValue(StyleGeometryBox::Border,
                                    eCSSUnit_Enumerated);
 
   aState.mRepeat->mXValue.SetIntValue(NS_STYLE_IMAGELAYER_REPEAT_REPEAT,
@@ -12437,10 +12435,10 @@ CSSParserImpl::ParseImageLayersItem(
   aState.mPositionY->mValue.SetArrayValue(positionYArr, eCSSUnit_Array);
 
   if (eCSSProperty_mask == aTable[nsStyleImageLayers::shorthand]) {
-    aState.mOrigin->mValue.SetIntValue(NS_STYLE_IMAGELAYER_ORIGIN_BORDER,
+    aState.mOrigin->mValue.SetIntValue(StyleGeometryBox::Border,
                                        eCSSUnit_Enumerated);
   } else {
-    aState.mOrigin->mValue.SetIntValue(NS_STYLE_IMAGELAYER_ORIGIN_PADDING,
+    aState.mOrigin->mValue.SetIntValue(StyleGeometryBox::Padding,
                                        eCSSUnit_Enumerated);
   }
   positionXArr->Item(1).SetPercentValue(0.0f);
@@ -12462,6 +12460,8 @@ CSSParserImpl::ParseImageLayersItem(
        haveMode = false,
        haveSomething = false;
 
+  const KTableEntry* originTable =
+    nsCSSProps::kKeywordTableTable[aTable[nsStyleImageLayers::origin]];
   while (GetToken(true)) {
     nsCSSTokenType tt = mToken.mType;
     UngetToken(); // ...but we'll still cheat and use mToken
@@ -12531,8 +12531,7 @@ CSSParserImpl::ParseImageLayersItem(
           aState.mSize->mXValue = scratch.mXValue;
           aState.mSize->mYValue = scratch.mYValue;
         }
-      } else if (nsCSSProps::FindKeyword(keyword,
-                   nsCSSProps::kImageLayerOriginKTable, dummy)) {
+      } else if (nsCSSProps::FindKeyword(keyword, originTable, dummy)) {
         if (haveOrigin)
           return false;
         haveOrigin = true;
@@ -12547,23 +12546,15 @@ CSSParserImpl::ParseImageLayersItem(
         // immediately following the first one (for background-origin).
 
 #ifdef DEBUG
-        for (size_t i = 0; nsCSSProps::kImageLayerOriginKTable[i].mValue != -1; i++) {
+        const KTableEntry* clipTable =
+          nsCSSProps::kKeywordTableTable[aTable[nsStyleImageLayers::clip]];
+        for (size_t i = 0; originTable[i].mValue != -1; i++) {
           // For each keyword & value in kOriginKTable, ensure that
           // kBackgroundKTable has a matching entry at the same position.
-          MOZ_ASSERT(nsCSSProps::kImageLayerOriginKTable[i].mKeyword ==
-                     nsCSSProps::kBackgroundClipKTable[i].mKeyword);
-          MOZ_ASSERT(nsCSSProps::kImageLayerOriginKTable[i].mValue ==
-                     nsCSSProps::kBackgroundClipKTable[i].mValue);
+          MOZ_ASSERT(originTable[i].mKeyword == clipTable[i].mKeyword);
+          MOZ_ASSERT(originTable[i].mValue == clipTable[i].mValue);
         }
 #endif
-        static_assert(NS_STYLE_IMAGELAYER_CLIP_BORDER ==
-                      NS_STYLE_IMAGELAYER_ORIGIN_BORDER &&
-                      NS_STYLE_IMAGELAYER_CLIP_PADDING ==
-                      NS_STYLE_IMAGELAYER_ORIGIN_PADDING &&
-                      NS_STYLE_IMAGELAYER_CLIP_CONTENT ==
-                      NS_STYLE_IMAGELAYER_ORIGIN_CONTENT,
-                      "bg-clip and bg-origin style constants must agree");
-
         CSSParseResult result =
           ParseSingleValueProperty(aState.mClip->mValue,
                                    aTable[nsStyleImageLayers::clip]);
-- 
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