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/*
* 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 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.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "CSSToStyleMap.h"
#include "Animation.h"
#include "CSSBorderImageSliceValue.h"
#include "CSSPrimitiveValue.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSTimingFunctionValue.h"
#include "CSSValueKeywords.h"
#include "FillLayer.h"
#include "Pair.h"
#include "Rect.h"
#include "StyleResolver.h"
namespace WebCore {
RenderStyle* CSSToStyleMap::style() const
{
return m_resolver->style();
}
RenderStyle* CSSToStyleMap::rootElementStyle() const
{
return m_resolver->rootElementStyle();
}
bool CSSToStyleMap::useSVGZoomRules() const
{
return m_resolver->useSVGZoomRules();
}
PassRefPtr<StyleImage> CSSToStyleMap::styleImage(CSSPropertyID propertyId, CSSValue* value)
{
return m_resolver->styleImage(propertyId, value);
}
void CSSToStyleMap::mapFillAttachment(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setAttachment(FillLayer::initialFillAttachment(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueFixed:
layer->setAttachment(FixedBackgroundAttachment);
break;
case CSSValueScroll:
layer->setAttachment(ScrollBackgroundAttachment);
break;
case CSSValueLocal:
layer->setAttachment(LocalBackgroundAttachment);
break;
default:
return;
}
}
void CSSToStyleMap::mapFillClip(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setClip(FillLayer::initialFillClip(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setClip(*primitiveValue);
}
void CSSToStyleMap::mapFillComposite(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setComposite(FillLayer::initialFillComposite(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setComposite(*primitiveValue);
}
void CSSToStyleMap::mapFillOrigin(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setOrigin(FillLayer::initialFillOrigin(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setOrigin(*primitiveValue);
}
void CSSToStyleMap::mapFillImage(CSSPropertyID property, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setImage(FillLayer::initialFillImage(layer->type()));
return;
}
layer->setImage(styleImage(property, value));
}
void CSSToStyleMap::mapFillRepeatX(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setRepeatX(FillLayer::initialFillRepeatX(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setRepeatX(*primitiveValue);
}
void CSSToStyleMap::mapFillRepeatY(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setRepeatY(FillLayer::initialFillRepeatY(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setRepeatY(*primitiveValue);
}
void CSSToStyleMap::mapFillSize(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (!value->isPrimitiveValue()) {
layer->setSizeType(SizeNone);
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueContain)
layer->setSizeType(Contain);
else if (primitiveValue->getIdent() == CSSValueCover)
layer->setSizeType(Cover);
else
layer->setSizeType(SizeLength);
LengthSize b = FillLayer::initialFillSizeLength(layer->type());
if (value->isInitialValue() || primitiveValue->getIdent() == CSSValueContain || primitiveValue->getIdent() == CSSValueCover) {
layer->setSizeLength(b);
return;
}
float zoomFactor = style()->effectiveZoom();
Length firstLength;
Length secondLength;
if (Pair* pair = primitiveValue->getPairValue()) {
CSSPrimitiveValue* first = static_cast<CSSPrimitiveValue*>(pair->first());
CSSPrimitiveValue* second = static_cast<CSSPrimitiveValue*>(pair->second());
firstLength = first->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
secondLength = second->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
} else {
firstLength = primitiveValue->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
secondLength = Length();
}
if (firstLength.isUndefined() || secondLength.isUndefined())
return;
b.setWidth(firstLength);
b.setHeight(secondLength);
layer->setSizeLength(b);
}
void CSSToStyleMap::mapFillXPosition(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setXPosition(FillLayer::initialFillXPosition(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
float zoomFactor = style()->effectiveZoom();
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Length length;
if (primitiveValue->isLength())
length = primitiveValue->computeLength<Length>(style(), rootElementStyle(), zoomFactor);
else if (primitiveValue->isPercentage())
length = Length(primitiveValue->getDoubleValue(), Percent);
else if (primitiveValue->isCalculatedPercentageWithLength())
length = Length(primitiveValue->cssCalcValue()->toCalcValue(style(), rootElementStyle(), zoomFactor));
else if (primitiveValue->isViewportPercentageLength())
length = primitiveValue->viewportPercentageLength();
else
return;
layer->setXPosition(length);
}
void CSSToStyleMap::mapFillYPosition(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
float zoomFactor = style()->effectiveZoom();
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Length length;
if (primitiveValue->isLength())
length = primitiveValue->computeLength<Length>(style(), rootElementStyle(), zoomFactor);
else if (primitiveValue->isPercentage())
length = Length(primitiveValue->getDoubleValue(), Percent);
else if (primitiveValue->isCalculatedPercentageWithLength())
length = Length(primitiveValue->cssCalcValue()->toCalcValue(style(), rootElementStyle(), zoomFactor));
else if (primitiveValue->isViewportPercentageLength())
length = primitiveValue->viewportPercentageLength();
else
return;
layer->setYPosition(length);
}
void CSSToStyleMap::mapAnimationDelay(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setDelay(Animation::initialAnimationDelay());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
animation->setDelay(primitiveValue->computeTime<float, CSSPrimitiveValue::Seconds>());
}
void CSSToStyleMap::mapAnimationDirection(Animation* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setDirection(Animation::initialAnimationDirection());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueNormal:
layer->setDirection(Animation::AnimationDirectionNormal);
break;
case CSSValueAlternate:
layer->setDirection(Animation::AnimationDirectionAlternate);
break;
case CSSValueReverse:
layer->setDirection(Animation::AnimationDirectionReverse);
break;
case CSSValueAlternateReverse:
layer->setDirection(Animation::AnimationDirectionAlternateReverse);
break;
}
}
void CSSToStyleMap::mapAnimationDuration(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setDuration(Animation::initialAnimationDuration());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
animation->setDuration(primitiveValue->computeTime<float, CSSPrimitiveValue::Seconds>());
}
void CSSToStyleMap::mapAnimationFillMode(Animation* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setFillMode(Animation::initialAnimationFillMode());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueNone:
layer->setFillMode(AnimationFillModeNone);
break;
case CSSValueForwards:
layer->setFillMode(AnimationFillModeForwards);
break;
case CSSValueBackwards:
layer->setFillMode(AnimationFillModeBackwards);
break;
case CSSValueBoth:
layer->setFillMode(AnimationFillModeBoth);
break;
}
}
void CSSToStyleMap::mapAnimationIterationCount(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setIterationCount(Animation::initialAnimationIterationCount());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueInfinite)
animation->setIterationCount(Animation::IterationCountInfinite);
else
animation->setIterationCount(primitiveValue->getFloatValue());
}
void CSSToStyleMap::mapAnimationName(Animation* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setName(Animation::initialAnimationName());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueNone)
layer->setIsNoneAnimation(true);
else
layer->setName(primitiveValue->getStringValue());
}
void CSSToStyleMap::mapAnimationPlayState(Animation* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setPlayState(Animation::initialAnimationPlayState());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
EAnimPlayState playState = (primitiveValue->getIdent() == CSSValuePaused) ? AnimPlayStatePaused : AnimPlayStatePlaying;
layer->setPlayState(playState);
}
void CSSToStyleMap::mapAnimationProperty(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setAnimationMode(Animation::AnimateAll);
animation->setProperty(CSSPropertyInvalid);
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueAll) {
animation->setAnimationMode(Animation::AnimateAll);
animation->setProperty(CSSPropertyInvalid);
} else if (primitiveValue->getIdent() == CSSValueNone) {
animation->setAnimationMode(Animation::AnimateNone);
animation->setProperty(CSSPropertyInvalid);
} else {
animation->setAnimationMode(Animation::AnimateSingleProperty);
animation->setProperty(static_cast<CSSPropertyID>(primitiveValue->getIdent()));
}
}
void CSSToStyleMap::mapAnimationTimingFunction(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setTimingFunction(Animation::initialAnimationTimingFunction());
return;
}
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueLinear:
animation->setTimingFunction(LinearTimingFunction::create());
break;
case CSSValueEase:
animation->setTimingFunction(CubicBezierTimingFunction::create());
break;
case CSSValueEaseIn:
animation->setTimingFunction(CubicBezierTimingFunction::create(0.42, 0.0, 1.0, 1.0));
break;
case CSSValueEaseOut:
animation->setTimingFunction(CubicBezierTimingFunction::create(0.0, 0.0, 0.58, 1.0));
break;
case CSSValueEaseInOut:
animation->setTimingFunction(CubicBezierTimingFunction::create(0.42, 0.0, 0.58, 1.0));
break;
case CSSValueStepStart:
animation->setTimingFunction(StepsTimingFunction::create(1, true));
break;
case CSSValueStepEnd:
animation->setTimingFunction(StepsTimingFunction::create(1, false));
break;
}
return;
}
if (value->isCubicBezierTimingFunctionValue()) {
CSSCubicBezierTimingFunctionValue* cubicTimingFunction = static_cast<CSSCubicBezierTimingFunctionValue*>(value);
animation->setTimingFunction(CubicBezierTimingFunction::create(cubicTimingFunction->x1(), cubicTimingFunction->y1(), cubicTimingFunction->x2(), cubicTimingFunction->y2()));
} else if (value->isStepsTimingFunctionValue()) {
CSSStepsTimingFunctionValue* stepsTimingFunction = static_cast<CSSStepsTimingFunctionValue*>(value);
animation->setTimingFunction(StepsTimingFunction::create(stepsTimingFunction->numberOfSteps(), stepsTimingFunction->stepAtStart()));
} else if (value->isLinearTimingFunctionValue())
animation->setTimingFunction(LinearTimingFunction::create());
}
void CSSToStyleMap::mapNinePieceImage(CSSPropertyID property, CSSValue* value, NinePieceImage& image)
{
// If we're not a value list, then we are "none" and don't need to alter the empty image at all.
if (!value || !value->isValueList())
return;
// Retrieve the border image value.
CSSValueList* borderImage = static_cast<CSSValueList*>(value);
// Set the image (this kicks off the load).
CSSPropertyID imageProperty;
if (property == CSSPropertyWebkitBorderImage)
imageProperty = CSSPropertyBorderImageSource;
else if (property == CSSPropertyWebkitMaskBoxImage)
imageProperty = CSSPropertyWebkitMaskBoxImageSource;
else
imageProperty = property;
for (unsigned i = 0 ; i < borderImage->length() ; ++i) {
CSSValue* current = borderImage->item(i);
if (current->isImageValue() || current->isImageGeneratorValue()
#if ENABLE(CSS_IMAGE_SET)
|| current->isImageSetValue()
#endif
)
image.setImage(styleImage(imageProperty, current));
else if (current->isBorderImageSliceValue())
mapNinePieceImageSlice(current, image);
else if (current->isValueList()) {
CSSValueList* slashList = static_cast<CSSValueList*>(current);
// Map in the image slices.
if (slashList->item(0) && slashList->item(0)->isBorderImageSliceValue())
mapNinePieceImageSlice(slashList->item(0), image);
// Map in the border slices.
if (slashList->item(1))
image.setBorderSlices(mapNinePieceImageQuad(slashList->item(1)));
// Map in the outset.
if (slashList->item(2))
image.setOutset(mapNinePieceImageQuad(slashList->item(2)));
} else if (current->isPrimitiveValue()) {
// Set the appropriate rules for stretch/round/repeat of the slices.
mapNinePieceImageRepeat(current, image);
}
}
if (property == CSSPropertyWebkitBorderImage) {
// We have to preserve the legacy behavior of -webkit-border-image and make the border slices
// also set the border widths. We don't need to worry about percentages, since we don't even support
// those on real borders yet.
if (image.borderSlices().top().isFixed())
style()->setBorderTopWidth(image.borderSlices().top().value());
if (image.borderSlices().right().isFixed())
style()->setBorderRightWidth(image.borderSlices().right().value());
if (image.borderSlices().bottom().isFixed())
style()->setBorderBottomWidth(image.borderSlices().bottom().value());
if (image.borderSlices().left().isFixed())
style()->setBorderLeftWidth(image.borderSlices().left().value());
}
}
void CSSToStyleMap::mapNinePieceImageSlice(CSSValue* value, NinePieceImage& image)
{
if (!value || !value->isBorderImageSliceValue())
return;
// Retrieve the border image value.
CSSBorderImageSliceValue* borderImageSlice = static_cast<CSSBorderImageSliceValue*>(value);
// Set up a length box to represent our image slices.
LengthBox box;
Quad* slices = borderImageSlice->slices();
if (slices->top()->isPercentage())
box.m_top = Length(slices->top()->getDoubleValue(), Percent);
else
box.m_top = Length(slices->top()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (slices->bottom()->isPercentage())
box.m_bottom = Length(slices->bottom()->getDoubleValue(), Percent);
else
box.m_bottom = Length((int)slices->bottom()->getFloatValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (slices->left()->isPercentage())
box.m_left = Length(slices->left()->getDoubleValue(), Percent);
else
box.m_left = Length(slices->left()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (slices->right()->isPercentage())
box.m_right = Length(slices->right()->getDoubleValue(), Percent);
else
box.m_right = Length(slices->right()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
image.setImageSlices(box);
// Set our fill mode.
image.setFill(borderImageSlice->m_fill);
}
LengthBox CSSToStyleMap::mapNinePieceImageQuad(CSSValue* value)
{
if (!value || !value->isPrimitiveValue())
return LengthBox();
// Get our zoom value.
float zoom = useSVGZoomRules() ? 1.0f : style()->effectiveZoom();
// Retrieve the primitive value.
CSSPrimitiveValue* borderWidths = static_cast<CSSPrimitiveValue*>(value);
// Set up a length box to represent our image slices.
LengthBox box; // Defaults to 'auto' so we don't have to handle that explicitly below.
Quad* slices = borderWidths->getQuadValue();
if (slices->top()->isNumber())
box.m_top = Length(slices->top()->getIntValue(), Relative);
else if (slices->top()->isPercentage())
box.m_top = Length(slices->top()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->top()->getIdent() != CSSValueAuto)
box.m_top = slices->top()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->right()->isNumber())
box.m_right = Length(slices->right()->getIntValue(), Relative);
else if (slices->right()->isPercentage())
box.m_right = Length(slices->right()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->right()->getIdent() != CSSValueAuto)
box.m_right = slices->right()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->bottom()->isNumber())
box.m_bottom = Length(slices->bottom()->getIntValue(), Relative);
else if (slices->bottom()->isPercentage())
box.m_bottom = Length(slices->bottom()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->bottom()->getIdent() != CSSValueAuto)
box.m_bottom = slices->bottom()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->left()->isNumber())
box.m_left = Length(slices->left()->getIntValue(), Relative);
else if (slices->left()->isPercentage())
box.m_left = Length(slices->left()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->left()->getIdent() != CSSValueAuto)
box.m_left = slices->left()->computeLength<Length>(style(), rootElementStyle(), zoom);
return box;
}
void CSSToStyleMap::mapNinePieceImageRepeat(CSSValue* value, NinePieceImage& image)
{
if (!value || !value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Pair* pair = primitiveValue->getPairValue();
if (!pair || !pair->first() || !pair->second())
return;
int firstIdentifier = pair->first()->getIdent();
int secondIdentifier = pair->second()->getIdent();
ENinePieceImageRule horizontalRule;
switch (firstIdentifier) {
case CSSValueStretch:
horizontalRule = StretchImageRule;
break;
case CSSValueRound:
horizontalRule = RoundImageRule;
break;
case CSSValueSpace:
horizontalRule = SpaceImageRule;
break;
default: // CSSValueRepeat
horizontalRule = RepeatImageRule;
break;
}
image.setHorizontalRule(horizontalRule);
ENinePieceImageRule verticalRule;
switch (secondIdentifier) {
case CSSValueStretch:
verticalRule = StretchImageRule;
break;
case CSSValueRound:
verticalRule = RoundImageRule;
break;
case CSSValueSpace:
verticalRule = SpaceImageRule;
break;
default: // CSSValueRepeat
verticalRule = RepeatImageRule;
break;
}
image.setVerticalRule(verticalRule);
}
};