| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef StyleBuilderConverter_h |
| #define StyleBuilderConverter_h |
| |
| #include "core/css/CSSIdentifierValue.h" |
| #include "core/css/CSSStringValue.h" |
| #include "core/css/CSSValue.h" |
| #include "core/css/CSSValueList.h" |
| #include "core/css/resolver/StyleResolverState.h" |
| #include "core/style/QuotesData.h" |
| #include "core/style/ShadowList.h" |
| #include "core/style/StyleOffsetRotation.h" |
| #include "core/style/StyleReflection.h" |
| #include "core/style/StyleScrollSnapData.h" |
| #include "core/style/TransformOrigin.h" |
| #include "platform/LengthSize.h" |
| #include "platform/fonts/FontDescription.h" |
| #include "platform/text/TabSize.h" |
| #include "platform/transforms/Rotation.h" |
| #include "wtf/Allocator.h" |
| |
| namespace blink { |
| |
| class ClipPathOperation; |
| class RotateTransformOperation; |
| class ScaleTransformOperation; |
| class StylePath; |
| class TextSizeAdjust; |
| class TranslateTransformOperation; |
| |
| // Note that we assume the parser only allows valid CSSValue types. |
| class StyleBuilderConverter { |
| STATIC_ONLY(StyleBuilderConverter); |
| |
| public: |
| static PassRefPtr<StyleReflection> convertBoxReflect(StyleResolverState&, |
| const CSSValue&); |
| static AtomicString convertFragmentIdentifier(StyleResolverState&, |
| const CSSValue&); |
| static Color convertColor(StyleResolverState&, |
| const CSSValue&, |
| bool forVisitedLink = false); |
| template <typename T> |
| static T convertComputedLength(StyleResolverState&, const CSSValue&); |
| static LengthBox convertClip(StyleResolverState&, const CSSValue&); |
| static PassRefPtr<ClipPathOperation> convertClipPath(StyleResolverState&, |
| const CSSValue&); |
| static FilterOperations convertFilterOperations(StyleResolverState&, |
| const CSSValue&); |
| template <typename T> |
| static T convertFlags(StyleResolverState&, const CSSValue&); |
| static FontDescription::FamilyDescription convertFontFamily( |
| StyleResolverState&, |
| const CSSValue&); |
| static PassRefPtr<FontFeatureSettings> convertFontFeatureSettings( |
| StyleResolverState&, |
| const CSSValue&); |
| static FontDescription::Size convertFontSize(StyleResolverState&, |
| const CSSValue&); |
| static float convertFontSizeAdjust(StyleResolverState&, const CSSValue&); |
| static FontWeight convertFontWeight(StyleResolverState&, const CSSValue&); |
| static FontDescription::FontVariantCaps convertFontVariantCaps( |
| StyleResolverState&, |
| const CSSValue&); |
| static FontDescription::VariantLigatures convertFontVariantLigatures( |
| StyleResolverState&, |
| const CSSValue&); |
| static FontVariantNumeric convertFontVariantNumeric(StyleResolverState&, |
| const CSSValue&); |
| static StyleSelfAlignmentData convertSelfOrDefaultAlignmentData( |
| StyleResolverState&, |
| const CSSValue&); |
| static StyleContentAlignmentData convertContentAlignmentData( |
| StyleResolverState&, |
| const CSSValue&); |
| static GridAutoFlow convertGridAutoFlow(StyleResolverState&, const CSSValue&); |
| static GridPosition convertGridPosition(StyleResolverState&, const CSSValue&); |
| static GridTrackSize convertGridTrackSize(StyleResolverState&, |
| const CSSValue&); |
| static Vector<GridTrackSize> convertGridTrackSizeList(StyleResolverState&, |
| const CSSValue&); |
| template <typename T> |
| static T convertLineWidth(StyleResolverState&, const CSSValue&); |
| static Length convertLength(const StyleResolverState&, const CSSValue&); |
| static UnzoomedLength convertUnzoomedLength(const StyleResolverState&, |
| const CSSValue&); |
| static Length convertLengthOrAuto(const StyleResolverState&, const CSSValue&); |
| static Length convertLengthSizing(StyleResolverState&, const CSSValue&); |
| static Length convertLengthMaxSizing(StyleResolverState&, const CSSValue&); |
| static TabSize convertLengthOrTabSpaces(StyleResolverState&, const CSSValue&); |
| static Length convertLineHeight(StyleResolverState&, const CSSValue&); |
| static float convertNumberOrPercentage(StyleResolverState&, const CSSValue&); |
| static StyleOffsetRotation convertOffsetRotation(StyleResolverState&, |
| const CSSValue&); |
| static LengthPoint convertPosition(StyleResolverState&, const CSSValue&); |
| static LengthPoint convertPositionOrAuto(StyleResolverState&, |
| const CSSValue&); |
| static float convertPerspective(StyleResolverState&, const CSSValue&); |
| static Length convertQuirkyLength(StyleResolverState&, const CSSValue&); |
| static PassRefPtr<QuotesData> convertQuotes(StyleResolverState&, |
| const CSSValue&); |
| static LengthSize convertRadius(StyleResolverState&, const CSSValue&); |
| static EPaintOrder convertPaintOrder(StyleResolverState&, const CSSValue&); |
| static PassRefPtr<ShadowList> convertShadow(StyleResolverState&, |
| const CSSValue&); |
| static ShapeValue* convertShapeValue(StyleResolverState&, const CSSValue&); |
| static float convertSpacing(StyleResolverState&, const CSSValue&); |
| template <CSSValueID IdForNone> |
| static AtomicString convertString(StyleResolverState&, const CSSValue&); |
| static PassRefPtr<SVGDashArray> convertStrokeDasharray(StyleResolverState&, |
| const CSSValue&); |
| static StyleColor convertStyleColor(StyleResolverState&, |
| const CSSValue&, |
| bool forVisitedLink = false); |
| static float convertTextStrokeWidth(StyleResolverState&, const CSSValue&); |
| static TextSizeAdjust convertTextSizeAdjust(StyleResolverState&, |
| const CSSValue&); |
| static TransformOrigin convertTransformOrigin(StyleResolverState&, |
| const CSSValue&); |
| |
| static void convertGridTrackList(const CSSValue&, |
| Vector<GridTrackSize>&, |
| NamedGridLinesMap&, |
| OrderedNamedGridLines&, |
| Vector<GridTrackSize>& autoRepeatTrackSizes, |
| NamedGridLinesMap&, |
| OrderedNamedGridLines&, |
| size_t& autoRepeatInsertionPoint, |
| AutoRepeatType&, |
| StyleResolverState&); |
| static void createImplicitNamedGridLinesFromGridArea( |
| const NamedGridAreaMap&, |
| NamedGridLinesMap&, |
| GridTrackSizingDirection); |
| static void convertOrderedNamedGridLinesMapToNamedGridLinesMap( |
| const OrderedNamedGridLines&, |
| NamedGridLinesMap&); |
| |
| static ScrollSnapPoints convertSnapPoints(StyleResolverState&, |
| const CSSValue&); |
| static Vector<LengthPoint> convertSnapCoordinates(StyleResolverState&, |
| const CSSValue&); |
| static LengthPoint convertSnapDestination(StyleResolverState&, |
| const CSSValue&); |
| static PassRefPtr<TranslateTransformOperation> convertTranslate( |
| StyleResolverState&, |
| const CSSValue&); |
| static PassRefPtr<RotateTransformOperation> convertRotate(StyleResolverState&, |
| const CSSValue&); |
| static PassRefPtr<ScaleTransformOperation> convertScale(StyleResolverState&, |
| const CSSValue&); |
| static RespectImageOrientationEnum convertImageOrientation( |
| StyleResolverState&, |
| const CSSValue&); |
| static PassRefPtr<StylePath> convertPathOrNone(StyleResolverState&, |
| const CSSValue&); |
| static StyleOffsetRotation convertOffsetRotation(const CSSValue&); |
| template <CSSValueID cssValueFor0, CSSValueID cssValueFor100> |
| static Length convertPositionLength(StyleResolverState&, const CSSValue&); |
| static Rotation convertRotation(const CSSValue&); |
| |
| static const CSSValue& convertRegisteredPropertyValue( |
| const StyleResolverState&, |
| const CSSValue&); |
| }; |
| |
| template <typename T> |
| T StyleBuilderConverter::convertComputedLength(StyleResolverState& state, |
| const CSSValue& value) { |
| return toCSSPrimitiveValue(value).computeLength<T>( |
| state.cssToLengthConversionData()); |
| } |
| |
| template <typename T> |
| T StyleBuilderConverter::convertFlags(StyleResolverState& state, |
| const CSSValue& value) { |
| T flags = static_cast<T>(0); |
| if (value.isIdentifierValue() && |
| toCSSIdentifierValue(value).getValueID() == CSSValueNone) |
| return flags; |
| for (auto& flagValue : toCSSValueList(value)) |
| flags |= toCSSIdentifierValue(*flagValue).convertTo<T>(); |
| return flags; |
| } |
| |
| template <typename T> |
| T StyleBuilderConverter::convertLineWidth(StyleResolverState& state, |
| const CSSValue& value) { |
| if (value.isIdentifierValue()) { |
| CSSValueID valueID = toCSSIdentifierValue(value).getValueID(); |
| if (valueID == CSSValueThin) |
| return 1; |
| if (valueID == CSSValueMedium) |
| return 3; |
| if (valueID == CSSValueThick) |
| return 5; |
| NOTREACHED(); |
| return 0; |
| } |
| const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value); |
| // FIXME: We are moving to use the full page zoom implementation to handle |
| // high-dpi. In that case specyfing a border-width of less than 1px would |
| // result in a border that is one device pixel thick. With this change that |
| // would instead be rounded up to 2 device pixels. Consider clamping it to |
| // device pixels or zoom adjusted CSS pixels instead of raw CSS pixels. |
| // Reference crbug.com/485650 and crbug.com/382483 |
| double result = |
| primitiveValue.computeLength<double>(state.cssToLengthConversionData()); |
| if (result > 0.0 && result < 1.0) |
| return 1.0; |
| return clampTo<T>(roundForImpreciseConversion<T>(result), |
| defaultMinimumForClamp<T>(), defaultMaximumForClamp<T>()); |
| } |
| |
| template <CSSValueID IdForNone> |
| AtomicString StyleBuilderConverter::convertString(StyleResolverState&, |
| const CSSValue& value) { |
| if (value.isStringValue()) |
| return AtomicString(toCSSStringValue(value).value()); |
| DCHECK_EQ(toCSSIdentifierValue(value).getValueID(), IdForNone); |
| return nullAtom; |
| } |
| |
| } // namespace blink |
| |
| #endif |
