Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 196 insertions, 114 deletions

diff --git a/Source/WebCore/css/BasicShapeFunctions.cpp b/Source/WebCore/css/BasicShapeFunctions.cpp
index c5885095e..0c9c2d6e3 100644
--- a/Source/WebCore/css/BasicShapeFunctions.cpp
+++ b/Source/WebCore/css/BasicShapeFunctions.cpp
@@ -34,175 +34,257 @@
 #include "CSSBasicShapes.h"
 #include "CSSPrimitiveValueMappings.h"
 #include "CSSValuePool.h"
+#include "Pair.h"
 #include "RenderStyle.h"
+#include "SVGPathByteStream.h"
 
 namespace WebCore {
 
-PassRefPtr<CSSValue> valueForBasicShape(const BasicShape* basicShape)
+static Ref<CSSPrimitiveValue> valueForCenterCoordinate(CSSValuePool& pool, const RenderStyle& style, const BasicShapeCenterCoordinate& center, EBoxOrient orientation)
 {
-    RefPtr<CSSBasicShape> basicShapeValue;
-    switch (basicShape->type()) {
-    case BasicShape::BasicShapeRectangleType: {
-        const BasicShapeRectangle* rectangle = static_cast<const BasicShapeRectangle*>(basicShape);
-        RefPtr<CSSBasicShapeRectangle> rectangleValue = CSSBasicShapeRectangle::create();
-
-        rectangleValue->setX(cssValuePool().createValue(rectangle->x()));
-        rectangleValue->setY(cssValuePool().createValue(rectangle->y()));
-        rectangleValue->setWidth(cssValuePool().createValue(rectangle->width()));
-        rectangleValue->setHeight(cssValuePool().createValue(rectangle->height()));
-        rectangleValue->setRadiusX(cssValuePool().createValue(rectangle->cornerRadiusX()));
-        rectangleValue->setRadiusY(cssValuePool().createValue(rectangle->cornerRadiusY()));
-
-        basicShapeValue = rectangleValue.release();
-        break;
+    if (center.direction() == BasicShapeCenterCoordinate::TopLeft)
+        return pool.createValue(center.length(), style);
+
+    CSSValueID keyword = orientation == HORIZONTAL ? CSSValueRight : CSSValueBottom;
+
+    return pool.createValue(Pair::create(pool.createIdentifierValue(keyword), pool.createValue(center.length(), style)));
+}
+
+static Ref<CSSPrimitiveValue> basicShapeRadiusToCSSValue(const RenderStyle& style, CSSValuePool& pool, const BasicShapeRadius& radius)
+{
+    switch (radius.type()) {
+    case BasicShapeRadius::Value:
+        return pool.createValue(radius.value(), style);
+    case BasicShapeRadius::ClosestSide:
+        return pool.createIdentifierValue(CSSValueClosestSide);
+    case BasicShapeRadius::FarthestSide:
+        return pool.createIdentifierValue(CSSValueFarthestSide);
     }
+
+    ASSERT_NOT_REACHED();
+    return pool.createIdentifierValue(CSSValueClosestSide);
+}
+
+Ref<CSSValue> valueForBasicShape(const RenderStyle& style, const BasicShape& basicShape)
+{
+    auto& cssValuePool = CSSValuePool::singleton();
+
+    RefPtr<CSSBasicShape> basicShapeValue;
+    switch (basicShape.type()) {
     case BasicShape::BasicShapeCircleType: {
-        const BasicShapeCircle* circle = static_cast<const BasicShapeCircle*>(basicShape);
-        RefPtr<CSSBasicShapeCircle> circleValue = CSSBasicShapeCircle::create();
+        auto& circle = downcast<BasicShapeCircle>(basicShape);
+        auto circleValue = CSSBasicShapeCircle::create();
 
-        circleValue->setCenterX(cssValuePool().createValue(circle->centerX()));
-        circleValue->setCenterY(cssValuePool().createValue(circle->centerY()));
-        circleValue->setRadius(cssValuePool().createValue(circle->radius()));
+        circleValue->setCenterX(valueForCenterCoordinate(cssValuePool, style, circle.centerX(), HORIZONTAL));
+        circleValue->setCenterY(valueForCenterCoordinate(cssValuePool, style, circle.centerY(), VERTICAL));
+        circleValue->setRadius(basicShapeRadiusToCSSValue(style, cssValuePool, circle.radius()));
 
-        basicShapeValue = circleValue.release();
+        basicShapeValue = WTFMove(circleValue);
         break;
     }
     case BasicShape::BasicShapeEllipseType: {
-        const BasicShapeEllipse* ellipse = static_cast<const BasicShapeEllipse*>(basicShape);
-        RefPtr<CSSBasicShapeEllipse> ellipseValue = CSSBasicShapeEllipse::create();
+        auto& ellipse = downcast<BasicShapeEllipse>(basicShape);
+        auto ellipseValue = CSSBasicShapeEllipse::create();
 
-        ellipseValue->setCenterX(cssValuePool().createValue(ellipse->centerX()));
-        ellipseValue->setCenterY(cssValuePool().createValue(ellipse->centerY()));
-        ellipseValue->setRadiusX(cssValuePool().createValue(ellipse->radiusX()));
-        ellipseValue->setRadiusY(cssValuePool().createValue(ellipse->radiusY()));
+        ellipseValue->setCenterX(valueForCenterCoordinate(cssValuePool, style, ellipse.centerX(), HORIZONTAL));
+        ellipseValue->setCenterY(valueForCenterCoordinate(cssValuePool, style, ellipse.centerY(), VERTICAL));
+        ellipseValue->setRadiusX(basicShapeRadiusToCSSValue(style, cssValuePool, ellipse.radiusX()));
+        ellipseValue->setRadiusY(basicShapeRadiusToCSSValue(style, cssValuePool, ellipse.radiusY()));
 
-        basicShapeValue = ellipseValue.release();
+        basicShapeValue = WTFMove(ellipseValue);
         break;
     }
     case BasicShape::BasicShapePolygonType: {
-        const BasicShapePolygon* polygon = static_cast<const BasicShapePolygon*>(basicShape);
-        RefPtr<CSSBasicShapePolygon> polygonValue = CSSBasicShapePolygon::create();
+        auto& polygon = downcast<BasicShapePolygon>(basicShape);
+        auto polygonValue = CSSBasicShapePolygon::create();
 
-        polygonValue->setWindRule(polygon->windRule());
-        const Vector<Length>& values = polygon->values();
+        polygonValue->setWindRule(polygon.windRule());
+        const Vector<Length>& values = polygon.values();
         for (unsigned i = 0; i < values.size(); i += 2)
-            polygonValue->appendPoint(cssValuePool().createValue(values.at(i)), cssValuePool().createValue(values.at(i + 1)));
+            polygonValue->appendPoint(cssValuePool.createValue(values.at(i), style), cssValuePool.createValue(values.at(i + 1), style));
 
-        basicShapeValue = polygonValue.release();
+        basicShapeValue = WTFMove(polygonValue);
         break;
     }
-    case BasicShape::BasicShapeInsetRectangleType: {
-        const BasicShapeInsetRectangle* rectangle = static_cast<const BasicShapeInsetRectangle*>(basicShape);
-        RefPtr<CSSBasicShapeInsetRectangle> rectangleValue = CSSBasicShapeInsetRectangle::create();
-
-        rectangleValue->setTop(cssValuePool().createValue(rectangle->top()));
-        rectangleValue->setRight(cssValuePool().createValue(rectangle->right()));
-        rectangleValue->setBottom(cssValuePool().createValue(rectangle->bottom()));
-        rectangleValue->setLeft(cssValuePool().createValue(rectangle->left()));
-        rectangleValue->setRadiusX(cssValuePool().createValue(rectangle->cornerRadiusX()));
-        rectangleValue->setRadiusY(cssValuePool().createValue(rectangle->cornerRadiusY()));
-
-        basicShapeValue = rectangleValue.release();
+    case BasicShape::BasicShapePathType: {
+        auto& pathShape = downcast<BasicShapePath>(basicShape);
+        auto pathShapeValue = CSSBasicShapePath::create(pathShape.pathData()->copy());
+        pathShapeValue->setWindRule(pathShape.windRule());
+
+        basicShapeValue = WTFMove(pathShapeValue);
         break;
     }
+    case BasicShape::BasicShapeInsetType: {
+        auto& inset = downcast<BasicShapeInset>(basicShape);
+        auto insetValue = CSSBasicShapeInset::create();
+
+        insetValue->setTop(cssValuePool.createValue(inset.top(), style));
+        insetValue->setRight(cssValuePool.createValue(inset.right(), style));
+        insetValue->setBottom(cssValuePool.createValue(inset.bottom(), style));
+        insetValue->setLeft(cssValuePool.createValue(inset.left(), style));
+
+        insetValue->setTopLeftRadius(cssValuePool.createValue(inset.topLeftRadius(), style));
+        insetValue->setTopRightRadius(cssValuePool.createValue(inset.topRightRadius(), style));
+        insetValue->setBottomRightRadius(cssValuePool.createValue(inset.bottomRightRadius(), style));
+        insetValue->setBottomLeftRadius(cssValuePool.createValue(inset.bottomLeftRadius(), style));
+
+        basicShapeValue = WTFMove(insetValue);
+        break;
+    }
+    }
+
+    return cssValuePool.createValue(basicShapeValue.releaseNonNull());
+}
+
+static Length convertToLength(const CSSToLengthConversionData& conversionData, CSSPrimitiveValue* value)
+{
+    return value->convertToLength<FixedIntegerConversion | FixedFloatConversion | PercentConversion | CalculatedConversion>(conversionData);
+}
+
+static LengthSize convertToLengthSize(const CSSToLengthConversionData& conversionData, CSSPrimitiveValue* value)
+{
+    if (!value)
+        return LengthSize(Length(0, Fixed), Length(0, Fixed));
+
+    Pair* pair = value->getPairValue();
+    return LengthSize(convertToLength(conversionData, pair->first()), convertToLength(conversionData, pair->second()));
+}
+
+static BasicShapeCenterCoordinate convertToCenterCoordinate(const CSSToLengthConversionData& conversionData, CSSPrimitiveValue* value)
+{
+    BasicShapeCenterCoordinate::Direction direction;
+    Length offset = Length(0, Fixed);
+
+    CSSValueID keyword = CSSValueTop;
+    if (!value)
+        keyword = CSSValueCenter;
+    else if (value->isValueID())
+        keyword = value->getValueID();
+    else if (Pair* pair = value->getPairValue()) {
+        keyword = pair->first()->getValueID();
+        offset = convertToLength(conversionData, pair->second());
+    } else
+        offset = convertToLength(conversionData, value);
+
+    switch (keyword) {
+    case CSSValueTop:
+    case CSSValueLeft:
+        direction = BasicShapeCenterCoordinate::TopLeft;
+        break;
+    case CSSValueRight:
+    case CSSValueBottom:
+        direction = BasicShapeCenterCoordinate::BottomRight;
+        break;
+    case CSSValueCenter:
+        direction = BasicShapeCenterCoordinate::TopLeft;
+        offset = Length(50, Percent);
+        break;
     default:
+        ASSERT_NOT_REACHED();
+        direction = BasicShapeCenterCoordinate::TopLeft;
         break;
     }
-    return cssValuePool().createValue<PassRefPtr<CSSBasicShape> >(basicShapeValue.release());
+
+    return BasicShapeCenterCoordinate(direction, offset);
 }
 
-static Length convertToLength(const RenderStyle* style, const RenderStyle* rootStyle, CSSPrimitiveValue* value)
+static BasicShapeRadius cssValueToBasicShapeRadius(const CSSToLengthConversionData& conversionData, PassRefPtr<CSSPrimitiveValue> radius)
 {
-    return value->convertToLength<FixedIntegerConversion | FixedFloatConversion | PercentConversion | ViewportPercentageConversion>(style, rootStyle, style->effectiveZoom());
+    if (!radius)
+        return BasicShapeRadius(BasicShapeRadius::ClosestSide);
+
+    if (radius->isValueID()) {
+        switch (radius->getValueID()) {
+        case CSSValueClosestSide:
+            return BasicShapeRadius(BasicShapeRadius::ClosestSide);
+        case CSSValueFarthestSide:
+            return BasicShapeRadius(BasicShapeRadius::FarthestSide);
+        default:
+            ASSERT_NOT_REACHED();
+            break;
+        }
+    }
+
+    return BasicShapeRadius(convertToLength(conversionData, radius.get()));
 }
 
-PassRefPtr<BasicShape> basicShapeForValue(const RenderStyle* style, const RenderStyle* rootStyle, const CSSBasicShape* basicShapeValue)
+Ref<BasicShape> basicShapeForValue(const CSSToLengthConversionData& conversionData, const CSSBasicShape* basicShapeValue)
 {
     RefPtr<BasicShape> basicShape;
 
     switch (basicShapeValue->type()) {
-    case CSSBasicShape::CSSBasicShapeRectangleType: {
-        const CSSBasicShapeRectangle* rectValue = static_cast<const CSSBasicShapeRectangle *>(basicShapeValue);
-        RefPtr<BasicShapeRectangle> rect = BasicShapeRectangle::create();
-
-        rect->setX(convertToLength(style, rootStyle, rectValue->x()));
-        rect->setY(convertToLength(style, rootStyle, rectValue->y()));
-        rect->setWidth(convertToLength(style, rootStyle, rectValue->width()));
-        rect->setHeight(convertToLength(style, rootStyle, rectValue->height()));
-        if (rectValue->radiusX()) {
-            Length radiusX = convertToLength(style, rootStyle, rectValue->radiusX());
-            rect->setCornerRadiusX(radiusX);
-            if (rectValue->radiusY())
-                rect->setCornerRadiusY(convertToLength(style, rootStyle, rectValue->radiusY()));
-            else
-                rect->setCornerRadiusY(radiusX);
-        } else {
-            rect->setCornerRadiusX(Length(0, Fixed));
-            rect->setCornerRadiusY(Length(0, Fixed));
-        }
-        basicShape = rect.release();
-        break;
-    }
     case CSSBasicShape::CSSBasicShapeCircleType: {
-        const CSSBasicShapeCircle* circleValue = static_cast<const CSSBasicShapeCircle *>(basicShapeValue);
-        RefPtr<BasicShapeCircle> circle = BasicShapeCircle::create();
+        auto& circleValue = downcast<CSSBasicShapeCircle>(*basicShapeValue);
+        auto circle = BasicShapeCircle::create();
 
-        circle->setCenterX(convertToLength(style, rootStyle, circleValue->centerX()));
-        circle->setCenterY(convertToLength(style, rootStyle, circleValue->centerY()));
-        circle->setRadius(convertToLength(style, rootStyle, circleValue->radius()));
+        circle->setCenterX(convertToCenterCoordinate(conversionData, circleValue.centerX()));
+        circle->setCenterY(convertToCenterCoordinate(conversionData, circleValue.centerY()));
+        circle->setRadius(cssValueToBasicShapeRadius(conversionData, circleValue.radius()));
 
-        basicShape = circle.release();
+        basicShape = WTFMove(circle);
         break;
     }
     case CSSBasicShape::CSSBasicShapeEllipseType: {
-        const CSSBasicShapeEllipse* ellipseValue = static_cast<const CSSBasicShapeEllipse *>(basicShapeValue);
-        RefPtr<BasicShapeEllipse> ellipse = BasicShapeEllipse::create();
+        auto& ellipseValue = downcast<CSSBasicShapeEllipse>(*basicShapeValue);
+        auto ellipse = BasicShapeEllipse::create();
+
+        ellipse->setCenterX(convertToCenterCoordinate(conversionData, ellipseValue.centerX()));
+        ellipse->setCenterY(convertToCenterCoordinate(conversionData, ellipseValue.centerY()));
 
-        ellipse->setCenterX(convertToLength(style, rootStyle, ellipseValue->centerX()));
-        ellipse->setCenterY(convertToLength(style, rootStyle, ellipseValue->centerY()));
-        ellipse->setRadiusX(convertToLength(style, rootStyle, ellipseValue->radiusX()));
-        ellipse->setRadiusY(convertToLength(style, rootStyle, ellipseValue->radiusY()));
+        ellipse->setRadiusX(cssValueToBasicShapeRadius(conversionData, ellipseValue.radiusX()));
+        ellipse->setRadiusY(cssValueToBasicShapeRadius(conversionData, ellipseValue.radiusY()));
 
-        basicShape = ellipse.release();
+        basicShape = WTFMove(ellipse);
         break;
     }
     case CSSBasicShape::CSSBasicShapePolygonType: {
-        const CSSBasicShapePolygon* polygonValue = static_cast<const CSSBasicShapePolygon *>(basicShapeValue);
-        RefPtr<BasicShapePolygon> polygon = BasicShapePolygon::create();
+        auto& polygonValue = downcast<CSSBasicShapePolygon>(*basicShapeValue);
+        auto polygon = BasicShapePolygon::create();
 
-        polygon->setWindRule(polygonValue->windRule());
-        const Vector<RefPtr<CSSPrimitiveValue> >& values = polygonValue->values();
+        polygon->setWindRule(polygonValue.windRule());
+        const Vector<RefPtr<CSSPrimitiveValue>>& values = polygonValue.values();
         for (unsigned i = 0; i < values.size(); i += 2)
-            polygon->appendPoint(convertToLength(style, rootStyle, values.at(i).get()), convertToLength(style, rootStyle, values.at(i + 1).get()));
+            polygon->appendPoint(convertToLength(conversionData, values.at(i).get()), convertToLength(conversionData, values.at(i + 1).get()));
 
-        basicShape = polygon.release();
+        basicShape = WTFMove(polygon);
         break;
     }
-    case CSSBasicShape::CSSBasicShapeInsetRectangleType: {
-        const CSSBasicShapeInsetRectangle* rectValue = static_cast<const CSSBasicShapeInsetRectangle *>(basicShapeValue);
-        RefPtr<BasicShapeInsetRectangle> rect = BasicShapeInsetRectangle::create();
-
-        rect->setTop(convertToLength(style, rootStyle, rectValue->top()));
-        rect->setRight(convertToLength(style, rootStyle, rectValue->right()));
-        rect->setBottom(convertToLength(style, rootStyle, rectValue->bottom()));
-        rect->setLeft(convertToLength(style, rootStyle, rectValue->left()));
-        if (rectValue->radiusX()) {
-            Length radiusX = convertToLength(style, rootStyle, rectValue->radiusX());
-            rect->setCornerRadiusX(radiusX);
-            if (rectValue->radiusY())
-                rect->setCornerRadiusY(convertToLength(style, rootStyle, rectValue->radiusY()));
-            else
-                rect->setCornerRadiusY(radiusX);
-        } else {
-            rect->setCornerRadiusX(Length(0, Fixed));
-            rect->setCornerRadiusY(Length(0, Fixed));
-        }
-        basicShape = rect.release();
+    case CSSBasicShape::CSSBasicShapeInsetType: {
+        auto& rectValue = downcast<CSSBasicShapeInset>(*basicShapeValue);
+        auto rect = BasicShapeInset::create();
+
+        rect->setTop(convertToLength(conversionData, rectValue.top()));
+        rect->setRight(convertToLength(conversionData, rectValue.right()));
+        rect->setBottom(convertToLength(conversionData, rectValue.bottom()));
+        rect->setLeft(convertToLength(conversionData, rectValue.left()));
+
+        rect->setTopLeftRadius(convertToLengthSize(conversionData, rectValue.topLeftRadius()));
+        rect->setTopRightRadius(convertToLengthSize(conversionData, rectValue.topRightRadius()));
+        rect->setBottomRightRadius(convertToLengthSize(conversionData, rectValue.bottomRightRadius()));
+        rect->setBottomLeftRadius(convertToLengthSize(conversionData, rectValue.bottomLeftRadius()));
+
+        basicShape = WTFMove(rect);
         break;
     }
-    default:
+    case CSSBasicShape::CSSBasicShapePathType: {
+        auto& pathValue = downcast<CSSBasicShapePath>(*basicShapeValue);
+        auto path = BasicShapePath::create(pathValue.pathData().copy());
+        path->setWindRule(pathValue.windRule());
+
+        basicShape = WTFMove(path);
         break;
     }
-    return basicShape.release();
+    }
+
+    return basicShape.releaseNonNull();
 }
+
+float floatValueForCenterCoordinate(const BasicShapeCenterCoordinate& center, float boxDimension)
+{
+    float offset = floatValueForLength(center.length(), boxDimension);
+    if (center.direction() == BasicShapeCenterCoordinate::TopLeft)
+        return offset;
+    return boxDimension - offset;
+}
+
 }