sky/engine/core/css/resolver/StyleBuilderCustom.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
 * Copyright (C) Research In Motion Limited 2011. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * 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.
 */


#include "gen/sky/core/CSSPropertyNames.h"
#include "gen/sky/core/CSSValueKeywords.h"
#include "gen/sky/core/StyleBuilderFunctions.h"
#include "gen/sky/core/StylePropertyShorthand.h"
#include "sky/engine/core/css/BasicShapeFunctions.h"
#include "sky/engine/core/css/CSSAspectRatioValue.h"
#include "sky/engine/core/css/CSSFontValue.h"
#include "sky/engine/core/css/CSSGradientValue.h"
#include "sky/engine/core/css/CSSHelper.h"
#include "sky/engine/core/css/CSSLineBoxContainValue.h"
#include "sky/engine/core/css/CSSPrimitiveValueMappings.h"
#include "sky/engine/core/css/CSSPropertyMetadata.h"
#include "sky/engine/core/css/Pair.h"
#include "sky/engine/core/css/StylePropertySet.h"
#include "sky/engine/core/css/StyleRule.h"
#include "sky/engine/core/css/parser/BisonCSSParser.h"
#include "sky/engine/core/css/resolver/ElementStyleResources.h"
#include "sky/engine/core/css/resolver/FilterOperationResolver.h"
#include "sky/engine/core/css/resolver/FontBuilder.h"
#include "sky/engine/core/css/resolver/StyleBuilder.h"
#include "sky/engine/core/css/resolver/TransformBuilder.h"
#include "sky/engine/core/frame/LocalFrame.h"
#include "sky/engine/core/frame/Settings.h"
#include "sky/engine/core/rendering/style/RenderStyle.h"
#include "sky/engine/core/rendering/style/RenderStyleConstants.h"
#include "sky/engine/core/rendering/style/StyleGeneratedImage.h"
#include "sky/engine/platform/fonts/FontDescription.h"
#include "sky/engine/wtf/MathExtras.h"
#include "sky/engine/wtf/StdLibExtras.h"
#include "sky/engine/wtf/Vector.h"

namespace blink {

void StyleBuilder::applyProperty(CSSPropertyID id, StyleResolverState& state, CSSValue* value)
{
    ASSERT_WITH_MESSAGE(!isExpandedShorthand(id), "Shorthand property id = %d wasn't expanded at parsing time", id);

    bool isInherit = state.parentNode() && value->isInheritedValue();
    bool isInitial = value->isInitialValue() || (!state.parentNode() && value->isInheritedValue());

    ASSERT(!isInherit || !isInitial); // isInherit -> !isInitial && isInitial -> !isInherit
    ASSERT(!isInherit || (state.parentNode() && state.parentStyle())); // isInherit -> (state.parentNode() && state.parentStyle())

    CSSPrimitiveValue* primitiveValue = value->isPrimitiveValue() ? toCSSPrimitiveValue(value) : 0;
    if (primitiveValue && primitiveValue->getValueID() == CSSValueCurrentcolor)
        state.style()->setHasCurrentColor();

    if (isInherit && !state.parentStyle()->hasExplicitlyInheritedProperties() && !CSSPropertyMetadata::isInheritedProperty(id))
        state.parentStyle()->setHasExplicitlyInheritedProperties();

    StyleBuilder::applyProperty(id, state, value, isInitial, isInherit);
}

void StyleBuilderFunctions::applyInitialCSSPropertyColor(StyleResolverState& state)
{
    Color color = RenderStyle::initialColor();
    state.style()->setColor(color);
}

void StyleBuilderFunctions::applyInheritCSSPropertyColor(StyleResolverState& state)
{
    Color color = state.parentStyle()->color();
    state.style()->setColor(color);
}

void StyleBuilderFunctions::applyValueCSSPropertyColor(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    // As per the spec, 'color: currentColor' is treated as 'color: inherit'
    if (primitiveValue->getValueID() == CSSValueCurrentcolor) {
        applyInheritCSSPropertyColor(state);
        return;
    }

    state.style()->setColor(StyleBuilderConverter::convertColor(state, value));
}

void StyleBuilderFunctions::applyValueCSSPropertyDirection(StyleResolverState& state, CSSValue* value)
{
    state.style()->setDirection(*toCSSPrimitiveValue(value));
}

void StyleBuilderFunctions::applyInitialCSSPropertyFontFamily(StyleResolverState& state)
{
    state.fontBuilder().setFontFamilyInitial();
}

void StyleBuilderFunctions::applyInheritCSSPropertyFontFamily(StyleResolverState& state)
{
    state.fontBuilder().setFontFamilyInherit(state.parentFontDescription());
}

void StyleBuilderFunctions::applyValueCSSPropertyFontFamily(StyleResolverState& state, CSSValue* value)
{
    state.fontBuilder().setFontFamilyValue(value);
}

void StyleBuilderFunctions::applyInitialCSSPropertyFontSize(StyleResolverState& state)
{
    state.fontBuilder().setFontSizeInitial();
}

void StyleBuilderFunctions::applyInheritCSSPropertyFontSize(StyleResolverState& state)
{
    state.fontBuilder().setFontSizeInherit(state.parentFontDescription());
}

void StyleBuilderFunctions::applyValueCSSPropertyFontSize(StyleResolverState& state, CSSValue* value)
{
    state.fontBuilder().setFontSizeValue(value, state.parentStyle());
}

void StyleBuilderFunctions::applyValueCSSPropertyLineHeight(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    Length lineHeight;

    if (primitiveValue->getValueID() == CSSValueNormal) {
        lineHeight = RenderStyle::initialLineHeight();
    } else if (primitiveValue->isLength()) {
        lineHeight = primitiveValue->computeLength<Length>(state.cssToLengthConversionData());
    } else if (primitiveValue->isPercentage()) {
        lineHeight = Length((state.style()->computedFontSize() * primitiveValue->getIntValue()) / 100.0, Fixed);
    } else if (primitiveValue->isNumber()) {
        lineHeight = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
    } else if (primitiveValue->isCalculated()) {
        Length length = Length(primitiveValue->cssCalcValue()->toCalcValue(state.cssToLengthConversionData()));
        lineHeight = Length(valueForLength(length, state.style()->fontSize()), Fixed);
    } else {
        return;
    }
    state.style()->setLineHeight(lineHeight);
}

void StyleBuilderFunctions::applyInitialCSSPropertyOutlineStyle(StyleResolverState& state)
{
    state.style()->setOutlineStyleIsAuto(RenderStyle::initialOutlineStyleIsAuto());
    state.style()->setOutlineStyle(RenderStyle::initialBorderStyle());
}

void StyleBuilderFunctions::applyInheritCSSPropertyOutlineStyle(StyleResolverState& state)
{
    state.style()->setOutlineStyleIsAuto(state.parentStyle()->outlineStyleIsAuto());
    state.style()->setOutlineStyle(state.parentStyle()->outlineStyle());
}

void StyleBuilderFunctions::applyValueCSSPropertyOutlineStyle(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    state.style()->setOutlineStyleIsAuto(*primitiveValue);
    state.style()->setOutlineStyle(*primitiveValue);
}

void StyleBuilderFunctions::applyValueCSSPropertyTextAlign(StyleResolverState& state, CSSValue* value)
{
    if (!value->isPrimitiveValue())
        return;

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    // FIXME : Per http://www.w3.org/TR/css3-text/#text-align0 can now take <string> but this is not implemented in the
    // rendering code.
    if (primitiveValue->isString())
        return;

    if (primitiveValue->isValueID() && primitiveValue->getValueID() != CSSValueWebkitMatchParent)
        state.style()->setTextAlign(*primitiveValue);
    else if (state.parentStyle()->textAlign() == TASTART)
        state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? LEFT : RIGHT);
    else if (state.parentStyle()->textAlign() == TAEND)
        state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? RIGHT : LEFT);
    else
        state.style()->setTextAlign(state.parentStyle()->textAlign());
}

void StyleBuilderFunctions::applyInheritCSSPropertyTextIndent(StyleResolverState& state)
{
    state.style()->setTextIndent(state.parentStyle()->textIndent());
    state.style()->setTextIndentLine(state.parentStyle()->textIndentLine());
    state.style()->setTextIndentType(state.parentStyle()->textIndentType());
}

void StyleBuilderFunctions::applyInitialCSSPropertyTextIndent(StyleResolverState& state)
{
    state.style()->setTextIndent(RenderStyle::initialTextIndent());
    state.style()->setTextIndentLine(RenderStyle::initialTextIndentLine());
    state.style()->setTextIndentType(RenderStyle::initialTextIndentType());
}

void StyleBuilderFunctions::applyValueCSSPropertyTextIndent(StyleResolverState& state, CSSValue* value)
{
    if (!value->isValueList())
        return;

    Length lengthOrPercentageValue;
    TextIndentLine textIndentLineValue = RenderStyle::initialTextIndentLine();
    TextIndentType textIndentTypeValue = RenderStyle::initialTextIndentType();

    for (CSSValueListIterator i(value); i.hasMore(); i.advance()) {
        CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(i.value());
        if (!primitiveValue->getValueID())
            lengthOrPercentageValue = primitiveValue->convertToLength<FixedConversion | PercentConversion>(state.cssToLengthConversionData());
        else if (primitiveValue->getValueID() == CSSValueEachLine)
            textIndentLineValue = TextIndentEachLine;
        else if (primitiveValue->getValueID() == CSSValueHanging)
            textIndentTypeValue = TextIndentHanging;
        else
            ASSERT_NOT_REACHED();
    }

    state.style()->setTextIndent(lengthOrPercentageValue);
    state.style()->setTextIndentLine(textIndentLineValue);
    state.style()->setTextIndentType(textIndentTypeValue);
}

void StyleBuilderFunctions::applyValueCSSPropertyTransform(StyleResolverState& state, CSSValue* value)
{
    TransformOperations operations;
    TransformBuilder::createTransformOperations(value, state.cssToLengthConversionData(), operations);
    state.style()->setTransform(operations);
}

void StyleBuilderFunctions::applyInitialCSSPropertyTransformOrigin(StyleResolverState& state)
{
    applyInitialCSSPropertyWebkitTransformOriginX(state);
    applyInitialCSSPropertyWebkitTransformOriginY(state);
    applyInitialCSSPropertyWebkitTransformOriginZ(state);
}

void StyleBuilderFunctions::applyInheritCSSPropertyTransformOrigin(StyleResolverState& state)
{
    applyInheritCSSPropertyWebkitTransformOriginX(state);
    applyInheritCSSPropertyWebkitTransformOriginY(state);
    applyInheritCSSPropertyWebkitTransformOriginZ(state);
}

void StyleBuilderFunctions::applyValueCSSPropertyTransformOrigin(StyleResolverState& state, CSSValue* value)
{
    CSSValueList* list = toCSSValueList(value);
    ASSERT(list->length() == 3);
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(list->item(0));
    if (primitiveValue->isValueID()) {
        switch (primitiveValue->getValueID()) {
        case CSSValueLeft:
            state.style()->setTransformOriginX(Length(0, Percent));
            break;
        case CSSValueRight:
            state.style()->setTransformOriginX(Length(100, Percent));
            break;
        case CSSValueCenter:
            state.style()->setTransformOriginX(Length(50, Percent));
            break;
        default:
            ASSERT_NOT_REACHED();
        }
    } else {
        state.style()->setTransformOriginX(StyleBuilderConverter::convertLength(state, primitiveValue));
    }

    primitiveValue = toCSSPrimitiveValue(list->item(1));
    if (primitiveValue->isValueID()) {
        switch (primitiveValue->getValueID()) {
        case CSSValueTop:
            state.style()->setTransformOriginY(Length(0, Percent));
            break;
        case CSSValueBottom:
            state.style()->setTransformOriginY(Length(100, Percent));
            break;
        case CSSValueCenter:
            state.style()->setTransformOriginY(Length(50, Percent));
            break;
        default:
            ASSERT_NOT_REACHED();
        }
    } else {
        state.style()->setTransformOriginY(StyleBuilderConverter::convertLength(state, primitiveValue));
    }

    primitiveValue = toCSSPrimitiveValue(list->item(2));
    state.style()->setTransformOriginZ(StyleBuilderConverter::convertComputedLength<float>(state, primitiveValue));
}

void StyleBuilderFunctions::applyInitialCSSPropertyPerspectiveOrigin(StyleResolverState& state)
{
    applyInitialCSSPropertyWebkitPerspectiveOriginX(state);
    applyInitialCSSPropertyWebkitPerspectiveOriginY(state);
}

void StyleBuilderFunctions::applyInheritCSSPropertyPerspectiveOrigin(StyleResolverState& state)
{
    applyInheritCSSPropertyWebkitPerspectiveOriginX(state);
    applyInheritCSSPropertyWebkitPerspectiveOriginY(state);
}

void StyleBuilderFunctions::applyValueCSSPropertyPerspectiveOrigin(StyleResolverState& state, CSSValue* value)
{
    CSSValueList* list = toCSSValueList(value);
    ASSERT(list->length() == 2);
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(list->item(0));
    if (primitiveValue->isValueID()) {
        switch (primitiveValue->getValueID()) {
        case CSSValueLeft:
            state.style()->setPerspectiveOriginX(Length(0, Percent));
            break;
        case CSSValueRight:
            state.style()->setPerspectiveOriginX(Length(100, Percent));
            break;
        case CSSValueCenter:
            state.style()->setPerspectiveOriginX(Length(50, Percent));
            break;
        default:
            ASSERT_NOT_REACHED();
        }
    } else {
        state.style()->setPerspectiveOriginX(StyleBuilderConverter::convertLength(state, primitiveValue));
    }

    primitiveValue = toCSSPrimitiveValue(list->item(1));
    if (primitiveValue->isValueID()) {
        switch (primitiveValue->getValueID()) {
        case CSSValueTop:
            state.style()->setPerspectiveOriginY(Length(0, Percent));
            break;
        case CSSValueBottom:
            state.style()->setPerspectiveOriginY(Length(100, Percent));
            break;
        case CSSValueCenter:
            state.style()->setPerspectiveOriginY(Length(50, Percent));
            break;
        default:
            ASSERT_NOT_REACHED();
        }
    } else {
        state.style()->setPerspectiveOriginY(StyleBuilderConverter::convertLength(state, primitiveValue));
    }
}

void StyleBuilderFunctions::applyInheritCSSPropertyVerticalAlign(StyleResolverState& state)
{
    EVerticalAlign verticalAlign = state.parentStyle()->verticalAlign();
    state.style()->setVerticalAlign(verticalAlign);
    if (verticalAlign == LENGTH)
        state.style()->setVerticalAlignLength(state.parentStyle()->verticalAlignLength());
}

void StyleBuilderFunctions::applyValueCSSPropertyVerticalAlign(StyleResolverState& state, CSSValue* value)
{
    if (!value->isPrimitiveValue())
        return;

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);

    if (primitiveValue->getValueID()) {
        state.style()->setVerticalAlign(*primitiveValue);
        return;
    }

    state.style()->setVerticalAlignLength(primitiveValue->convertToLength<FixedConversion | PercentConversion>(state.cssToLengthConversionData()));
}

void StyleBuilderFunctions::applyInitialCSSPropertyWebkitAspectRatio(StyleResolverState& state)
{
    state.style()->setHasAspectRatio(RenderStyle::initialHasAspectRatio());
    state.style()->setAspectRatioDenominator(RenderStyle::initialAspectRatioDenominator());
    state.style()->setAspectRatioNumerator(RenderStyle::initialAspectRatioNumerator());
}

void StyleBuilderFunctions::applyInheritCSSPropertyWebkitAspectRatio(StyleResolverState& state)
{
    if (!state.parentStyle()->hasAspectRatio())
        return;
    state.style()->setHasAspectRatio(true);
    state.style()->setAspectRatioDenominator(state.parentStyle()->aspectRatioDenominator());
    state.style()->setAspectRatioNumerator(state.parentStyle()->aspectRatioNumerator());
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitAspectRatio(StyleResolverState& state, CSSValue* value)
{
    if (!value->isAspectRatioValue()) {
        state.style()->setHasAspectRatio(false);
        return;
    }
    CSSAspectRatioValue* aspectRatioValue = toCSSAspectRatioValue(value);
    state.style()->setHasAspectRatio(true);
    state.style()->setAspectRatioDenominator(aspectRatioValue->denominatorValue());
    state.style()->setAspectRatioNumerator(aspectRatioValue->numeratorValue());
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitClipPath(StyleResolverState& state, CSSValue* value)
{
    if (value->isPrimitiveValue()) {
        CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
        if (primitiveValue->getValueID() == CSSValueNone) {
            state.style()->setClipPath(nullptr);
        } else if (primitiveValue->isShape()) {
            state.style()->setClipPath(ShapeClipPathOperation::create(basicShapeForValue(state, primitiveValue->getShapeValue())));
        }
    }
}

void StyleBuilderFunctions::applyValueCSSPropertyFilter(StyleResolverState& state, CSSValue* value)
{
    FilterOperations operations;
    if (FilterOperationResolver::createFilterOperations(value, state.cssToLengthConversionData(), operations, state))
        state.style()->setFilter(operations);
}

// FIXME: We should use the same system for this as the rest of the pseudo-shorthands (e.g. background-position)
void StyleBuilderFunctions::applyInitialCSSPropertyWebkitPerspectiveOrigin(StyleResolverState& state)
{
    applyInitialCSSPropertyWebkitPerspectiveOriginX(state);
    applyInitialCSSPropertyWebkitPerspectiveOriginY(state);
}

void StyleBuilderFunctions::applyInheritCSSPropertyWebkitPerspectiveOrigin(StyleResolverState& state)
{
    applyInheritCSSPropertyWebkitPerspectiveOriginX(state);
    applyInheritCSSPropertyWebkitPerspectiveOriginY(state);
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitPerspectiveOrigin(StyleResolverState&, CSSValue* value)
{
    // This is expanded in the parser
    ASSERT_NOT_REACHED();
}

void StyleBuilderFunctions::applyInitialCSSPropertyWebkitTextEmphasisStyle(StyleResolverState& state)
{
    state.style()->setTextEmphasisFill(RenderStyle::initialTextEmphasisFill());
    state.style()->setTextEmphasisMark(RenderStyle::initialTextEmphasisMark());
    state.style()->setTextEmphasisCustomMark(RenderStyle::initialTextEmphasisCustomMark());
}

void StyleBuilderFunctions::applyInheritCSSPropertyWebkitTextEmphasisStyle(StyleResolverState& state)
{
    state.style()->setTextEmphasisFill(state.parentStyle()->textEmphasisFill());
    state.style()->setTextEmphasisMark(state.parentStyle()->textEmphasisMark());
    state.style()->setTextEmphasisCustomMark(state.parentStyle()->textEmphasisCustomMark());
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextEmphasisStyle(StyleResolverState& state, CSSValue* value)
{
    if (value->isValueList()) {
        CSSValueList* list = toCSSValueList(value);
        ASSERT(list->length() == 2);
        if (list->length() != 2)
            return;
        for (unsigned i = 0; i < 2; ++i) {
            CSSValue* item = list->item(i);
            if (!item->isPrimitiveValue())
                continue;

            CSSPrimitiveValue* value = toCSSPrimitiveValue(item);
            if (value->getValueID() == CSSValueFilled || value->getValueID() == CSSValueOpen)
                state.style()->setTextEmphasisFill(*value);
            else
                state.style()->setTextEmphasisMark(*value);
        }
        state.style()->setTextEmphasisCustomMark(nullAtom);
        return;
    }

    if (!value->isPrimitiveValue())
        return;
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);

    if (primitiveValue->isString()) {
        state.style()->setTextEmphasisFill(TextEmphasisFillFilled);
        state.style()->setTextEmphasisMark(TextEmphasisMarkCustom);
        state.style()->setTextEmphasisCustomMark(AtomicString(primitiveValue->getStringValue()));
        return;
    }

    state.style()->setTextEmphasisCustomMark(nullAtom);

    if (primitiveValue->getValueID() == CSSValueFilled || primitiveValue->getValueID() == CSSValueOpen) {
        state.style()->setTextEmphasisFill(*primitiveValue);
        state.style()->setTextEmphasisMark(TextEmphasisMarkAuto);
    } else {
        state.style()->setTextEmphasisFill(TextEmphasisFillFilled);
        state.style()->setTextEmphasisMark(*primitiveValue);
    }
}

void StyleBuilderFunctions::applyInitialCSSPropertyFont(StyleResolverState&)
{
    ASSERT_NOT_REACHED();
}

void StyleBuilderFunctions::applyInheritCSSPropertyFont(StyleResolverState&)
{
    ASSERT_NOT_REACHED();
}

void StyleBuilderFunctions::applyValueCSSPropertyFont(StyleResolverState& state, CSSValue* value)
{
    // Only System Font identifiers should come through this method
    // all other values should have been handled when the shorthand
    // was expanded by the parser.
    // FIXME: System Font identifiers should not hijack this
    // short-hand CSSProperty like this (crbug.com/353932)
    state.style()->setLineHeight(RenderStyle::initialLineHeight());
    state.setLineHeightValue(0);
    state.fontBuilder().fromSystemFont(toCSSPrimitiveValue(value)->getValueID());
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitLocale(StyleResolverState& state, CSSValue* value)
{
    if (!value->isPrimitiveValue())
        return;
    const CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (primitiveValue->getValueID() == CSSValueAuto)
        state.style()->setLocale(nullAtom);
    else
        state.style()->setLocale(AtomicString(primitiveValue->getStringValue()));
    state.fontBuilder().setScript(state.style()->locale());
}

void StyleBuilderFunctions::applyInitialCSSPropertyWebkitPerspective(StyleResolverState& state)
{
    applyInitialCSSPropertyPerspective(state);
}

void StyleBuilderFunctions::applyInheritCSSPropertyWebkitPerspective(StyleResolverState& state)
{
    applyInheritCSSPropertyPerspective(state);
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitPerspective(StyleResolverState& state, CSSValue* value)
{
    if (!value->isPrimitiveValue())
        return;
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (primitiveValue->isNumber()) {
        float perspectiveValue = CSSPrimitiveValue::create(primitiveValue->getDoubleValue(), CSSPrimitiveValue::CSS_PX)->computeLength<float>(state.cssToLengthConversionData());
        if (perspectiveValue >= 0.0f)
            state.style()->setPerspective(perspectiveValue);
    } else {
        applyValueCSSPropertyPerspective(state, value);
    }
}

void StyleBuilderFunctions::applyValueCSSPropertyPerspective(StyleResolverState& state, CSSValue* value)
{
    if (!value->isPrimitiveValue())
        return;
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (primitiveValue->getValueID() == CSSValueNone) {
        state.style()->setPerspective(0);
        return;
    }

    if (!primitiveValue->isLength())
        return;
    float perspectiveValue = primitiveValue->computeLength<float>(state.cssToLengthConversionData());
    if (perspectiveValue >= 0.0f)
        state.style()->setPerspective(perspectiveValue);
}

void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextOrientation(StyleResolverState& state, CSSValue* value)
{
    if (value->isPrimitiveValue())
        state.setTextOrientation(*toCSSPrimitiveValue(value));
}

} // namespace blink