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authorwolfbeast <mcwerewolf@wolfbeast.com>2020-02-11 23:59:53 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-02-11 23:59:53 +0100
commita399acd57cdad2935f3edf43925ecb020b5eff59 (patch)
tree22f1449c40ae66e20b73866e92382b57fda89dbd /layout/style
parent6184ed7555d622afdad9d888627e0084182ccaa8 (diff)
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[CSS] Add stub for font-variation-settings
This stub is added because websites insist on considering this very hardware-dependent and O.S.-variable low-level font-control as a "critical feature" which it isn't as there is 0 guarantee that font variation settings are supported or honored by any operating system used by the client. On top this is a WD status feature that sites shouldn't be using, and the feature itself is strongly discouraged for use in favor of standard CSS font manipulation keywords like `font-weight`.
Diffstat (limited to 'layout/style')
-rw-r--r--layout/style/nsCSSParser.cpp16
-rw-r--r--layout/style/nsCSSPropList.h14
-rw-r--r--layout/style/nsComputedDOMStyle.cpp10
-rw-r--r--layout/style/nsComputedDOMStyle.h1
-rw-r--r--layout/style/nsComputedDOMStylePropertyList.h1
5 files changed, 42 insertions, 0 deletions
diff --git a/layout/style/nsCSSParser.cpp b/layout/style/nsCSSParser.cpp
index a8309314f..556e35406 100644
--- a/layout/style/nsCSSParser.cpp
+++ b/layout/style/nsCSSParser.cpp
@@ -1056,6 +1056,7 @@ protected:
bool ParseOneFamily(nsAString& aFamily, bool& aOneKeyword, bool& aQuoted);
bool ParseFamily(nsCSSValue& aValue);
bool ParseFontFeatureSettings(nsCSSValue& aValue);
+ bool ParseFontVariationSettings(nsCSSValue& aValue);
bool ParseFontSrc(nsCSSValue& aValue);
bool ParseFontSrcFormat(InfallibleTArray<nsCSSValue>& values);
bool ParseFontRanges(nsCSSValue& aValue);
@@ -12092,6 +12093,8 @@ CSSParserImpl::ParseSingleValuePropertyByFunction(nsCSSValue& aValue,
return ParseFontVariantNumeric(aValue);
case eCSSProperty_font_feature_settings:
return ParseFontFeatureSettings(aValue);
+ case eCSSProperty_font_variation_settings:
+ return ParseFontVariationSettings(aValue);
case eCSSProperty_font_weight:
return ParseFontWeight(aValue);
case eCSSProperty_image_orientation:
@@ -15315,6 +15318,19 @@ CSSParserImpl::ParseFontFeatureSettings(nsCSSValue& aValue)
return true;
}
+bool
+CSSParserImpl::ParseFontVariationSettings(nsCSSValue& aValue)
+{
+ // TODO: Actually implement this.
+
+ // This stub is here because websites insist on considering this
+ // very hardware-dependent and O.S.-variable low-level font-control
+ // as a "critical feature" which it isn't as there is 0 guarantee
+ // that font variation settings are supported or honored by any
+ // operating system used by the client.
+ return true;
+}
+
bool
CSSParserImpl::ParseListStyle()
{
diff --git a/layout/style/nsCSSPropList.h b/layout/style/nsCSSPropList.h
index 07db6d3dd..411f982a4 100644
--- a/layout/style/nsCSSPropList.h
+++ b/layout/style/nsCSSPropList.h
@@ -2037,6 +2037,20 @@ CSS_PROP_FONT(
CSS_PROP_NO_OFFSET,
eStyleAnimType_Discrete)
CSS_PROP_FONT(
+ font-variation-settings,
+ font_variation_settings,
+ FontVariationSettings,
+ CSS_PROPERTY_PARSE_VALUE |
+ CSS_PROPERTY_VALUE_PARSER_FUNCTION |
+ CSS_PROPERTY_VALUE_LIST_USES_COMMAS |
+ CSS_PROPERTY_APPLIES_TO_FIRST_LETTER_AND_FIRST_LINE |
+ CSS_PROPERTY_APPLIES_TO_PLACEHOLDER,
+ "layout.css.font-variations.stub",
+ 0,
+ nullptr,
+ CSS_PROP_NO_OFFSET,
+ eStyleAnimType_Discrete)
+CSS_PROP_FONT(
font-weight,
font_weight,
FontWeight,
diff --git a/layout/style/nsComputedDOMStyle.cpp b/layout/style/nsComputedDOMStyle.cpp
index 647f7f6dc..c717d59c8 100644
--- a/layout/style/nsComputedDOMStyle.cpp
+++ b/layout/style/nsComputedDOMStyle.cpp
@@ -1620,6 +1620,16 @@ nsComputedDOMStyle::DoGetFontFeatureSettings()
}
already_AddRefed<CSSValue>
+nsComputedDOMStyle::DoGetFontVariationSettings()
+{
+ // TODO: This is still a stub, always returning "normal"
+ RefPtr<nsROCSSPrimitiveValue> val = new nsROCSSPrimitiveValue;
+
+ val->SetIdent(eCSSKeyword_normal);
+ return val.forget();
+}
+
+already_AddRefed<CSSValue>
nsComputedDOMStyle::DoGetFontKerning()
{
RefPtr<nsROCSSPrimitiveValue> val = new nsROCSSPrimitiveValue;
diff --git a/layout/style/nsComputedDOMStyle.h b/layout/style/nsComputedDOMStyle.h
index 7fbf49afe..e94d8dbf6 100644
--- a/layout/style/nsComputedDOMStyle.h
+++ b/layout/style/nsComputedDOMStyle.h
@@ -251,6 +251,7 @@ private:
already_AddRefed<CSSValue> DoGetColor();
already_AddRefed<CSSValue> DoGetFontFamily();
already_AddRefed<CSSValue> DoGetFontFeatureSettings();
+ already_AddRefed<CSSValue> DoGetFontVariationSettings();
already_AddRefed<CSSValue> DoGetFontKerning();
already_AddRefed<CSSValue> DoGetFontLanguageOverride();
already_AddRefed<CSSValue> DoGetFontSize();
diff --git a/layout/style/nsComputedDOMStylePropertyList.h b/layout/style/nsComputedDOMStylePropertyList.h
index 825976b58..557281810 100644
--- a/layout/style/nsComputedDOMStylePropertyList.h
+++ b/layout/style/nsComputedDOMStylePropertyList.h
@@ -144,6 +144,7 @@ COMPUTED_STYLE_PROP(font_variant_east_asian, FontVariantEastAsian)
COMPUTED_STYLE_PROP(font_variant_ligatures, FontVariantLigatures)
COMPUTED_STYLE_PROP(font_variant_numeric, FontVariantNumeric)
COMPUTED_STYLE_PROP(font_variant_position, FontVariantPosition)
+COMPUTED_STYLE_PROP(font_variation_settings, FontVariationSettings)
COMPUTED_STYLE_PROP(font_weight, FontWeight)
COMPUTED_STYLE_PROP(grid_auto_columns, GridAutoColumns)
COMPUTED_STYLE_PROP(grid_auto_flow, GridAutoFlow)