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/*
* 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/CSSValue.h"
#include "core/css/resolver/StyleResolverState.h"
#include "core/rendering/RenderView.h"
#include "core/rendering/style/QuotesData.h"
#include "core/rendering/style/ShadowList.h"
#include "core/rendering/style/StyleReflection.h"
#include "core/rendering/style/TransformOrigin.h"
#include "core/svg/SVGLength.h"
#include "platform/LengthSize.h"
#include "platform/fonts/FontDescription.h"
namespace blink {
// Note that we assume the parser only allows valid CSSValue types.
class StyleBuilderConverter {
public:
static PassRefPtr<StyleReflection> convertBoxReflect(StyleResolverState&, CSSValue*);
static AtomicString convertFragmentIdentifier(StyleResolverState&, CSSValue*);
static Color convertColor(StyleResolverState&, CSSValue*, bool forVisitedLink = false);
template <typename T> static T convertComputedLength(StyleResolverState&, CSSValue*);
static LengthBox convertClip(StyleResolverState&, CSSValue*);
template <typename T> static T convertFlags(StyleResolverState&, CSSValue*);
static FontDescription::FamilyDescription convertFontFamily(StyleResolverState&, CSSValue*);
static PassRefPtr<FontFeatureSettings> convertFontFeatureSettings(StyleResolverState&, CSSValue*);
static FontDescription::Size convertFontSize(StyleResolverState&, CSSValue*);
static FontWeight convertFontWeight(StyleResolverState&, CSSValue*);
static FontDescription::VariantLigatures convertFontVariantLigatures(StyleResolverState&, CSSValue*);
static EGlyphOrientation convertGlyphOrientation(StyleResolverState&, CSSValue*);
static GridAutoFlow convertGridAutoFlow(StyleResolverState&, CSSValue*);
static GridPosition convertGridPosition(StyleResolverState&, CSSValue*);
static GridTrackSize convertGridTrackSize(StyleResolverState&, CSSValue*);
template <typename T> static T convertLineWidth(StyleResolverState&, CSSValue*);
static Length convertLength(StyleResolverState&, CSSValue*);
static Length convertLengthOrAuto(StyleResolverState&, CSSValue*);
static Length convertLengthSizing(StyleResolverState&, CSSValue*);
static Length convertLengthMaxSizing(StyleResolverState&, CSSValue*);
static LengthPoint convertLengthPoint(StyleResolverState&, CSSValue*);
static LineBoxContain convertLineBoxContain(StyleResolverState&, CSSValue*);
static Length convertLineHeight(StyleResolverState&, CSSValue*);
static float convertNumberOrPercentage(StyleResolverState&, CSSValue*);
static float convertPerspective(StyleResolverState&, CSSValue*);
static LengthPoint convertPerspectiveOrigin(StyleResolverState&, CSSValue*);
static PassRefPtr<QuotesData> convertQuotes(StyleResolverState&, CSSValue*);
static LengthSize convertRadius(StyleResolverState&, CSSValue*);
static EPaintOrder convertPaintOrder(StyleResolverState&, CSSValue*);
static PassRefPtr<ShadowList> convertShadow(StyleResolverState&, CSSValue*);
static PassRefPtr<ShapeValue> convertShapeValue(StyleResolverState&, CSSValue*);
static float convertSpacing(StyleResolverState&, CSSValue*);
template <CSSValueID IdForNone> static AtomicString convertString(StyleResolverState&, CSSValue*);
static PassRefPtrWillBeRawPtr<SVGLengthList> convertStrokeDasharray(StyleResolverState&, CSSValue*);
static StyleColor convertStyleColor(StyleResolverState&, CSSValue*, bool forVisitedLink = false);
static Color convertSVGColor(StyleResolverState&, CSSValue*);
static PassRefPtrWillBeRawPtr<SVGLength> convertSVGLength(StyleResolverState&, CSSValue*);
static float convertTextStrokeWidth(StyleResolverState&, CSSValue*);
static TransformOrigin convertTransformOrigin(StyleResolverState&, CSSValue*);
static bool convertGridTrackList(CSSValue*, Vector<GridTrackSize>&, NamedGridLinesMap&, OrderedNamedGridLines&, StyleResolverState&);
static void createImplicitNamedGridLinesFromGridArea(const NamedGridAreaMap&, NamedGridLinesMap&, GridTrackSizingDirection);
static void convertOrderedNamedGridLinesMapToNamedGridLinesMap(const OrderedNamedGridLines&, NamedGridLinesMap&);
};
template <typename T>
T StyleBuilderConverter::convertComputedLength(StyleResolverState& state, CSSValue* value)
{
return toCSSPrimitiveValue(value)->computeLength<T>(state.cssToLengthConversionData());
}
template <typename T>
T StyleBuilderConverter::convertFlags(StyleResolverState& state, CSSValue* value)
{
T flags = static_cast<T>(0);
if (value->isPrimitiveValue() && toCSSPrimitiveValue(value)->getValueID() == CSSValueNone)
return flags;
for (CSSValueListIterator i(value); i.hasMore(); i.advance())
flags |= *toCSSPrimitiveValue(i.value());
return flags;
}
template <typename T>
T StyleBuilderConverter::convertLineWidth(StyleResolverState& state, CSSValue* value)
{
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
CSSValueID valueID = primitiveValue->getValueID();
if (valueID == CSSValueThin)
return 1;
if (valueID == CSSValueMedium)
return 3;
if (valueID == CSSValueThick)
return 5;
if (valueID == CSSValueInvalid) {
// Any original result that was >= 1 should not be allowed to fall below 1.
// This keeps border lines from vanishing.
T result = primitiveValue->computeLength<T>(state.cssToLengthConversionData());
if (state.style()->effectiveZoom() < 1.0f && result < 1.0) {
T originalLength = primitiveValue->computeLength<T>(state.cssToLengthConversionData().copyWithAdjustedZoom(1.0));
if (originalLength >= 1.0)
return 1.0;
}
return result;
}
ASSERT_NOT_REACHED();
return 0;
}
template <CSSValueID IdForNone>
AtomicString StyleBuilderConverter::convertString(StyleResolverState&, CSSValue* value)
{
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->getValueID() == IdForNone)
return nullAtom;
return AtomicString(primitiveValue->getStringValue());
}
} // namespace blink
#endif
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