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| 1 /* | 1 /* |
| 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) | 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. |
| 4 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. | 4 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. |
| 5 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 5 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
| 6 * | 6 * |
| 7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
| 8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
| 9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
| 10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 48 if (CSSProperty::isAffectedByAllProperty(property.id())) { | 48 if (CSSProperty::isAffectedByAllProperty(property.id())) { |
| 49 if (allProperty.isImportant() && !property.isImportant()) | 49 if (allProperty.isImportant() && !property.isImportant()) |
| 50 continue; | 50 continue; |
| 51 if (static_cast<unsigned>(m_allIndex) >= i) | 51 if (static_cast<unsigned>(m_allIndex) >= i) |
| 52 continue; | 52 continue; |
| 53 if (property.value().equals(allProperty.value()) | 53 if (property.value().equals(allProperty.value()) |
| 54 && property.isImportant() == allProperty.isImportant()) | 54 && property.isImportant() == allProperty.isImportant()) |
| 55 continue; | 55 continue; |
| 56 m_needToExpandAll = true; | 56 m_needToExpandAll = true; |
| 57 } | 57 } |
| 58 if (property.id() < firstCSSProperty || property.id() > lastCSSProperty) | 58 if (!isPropertyIDWithName(property.id())) |
| 59 continue; | 59 continue; |
| 60 m_longhandPropertyUsed.set(property.id() - firstCSSProperty); | 60 m_longhandPropertyUsed.set(property.id() - firstCSSProperty); |
| 61 } | 61 } |
| 62 } | 62 } |
| 63 | 63 |
| 64 DEFINE_TRACE(StylePropertySerializer::StylePropertySetForSerializer) | 64 DEFINE_TRACE(StylePropertySerializer::StylePropertySetForSerializer) |
| 65 { | 65 { |
| 66 visitor->trace(m_propertySet); | 66 visitor->trace(m_propertySet); |
| 67 } | 67 } |
| 68 | 68 |
| 69 unsigned StylePropertySerializer::StylePropertySetForSerializer::propertyCount()
const | 69 unsigned StylePropertySerializer::StylePropertySetForSerializer::propertyCount()
const |
| 70 { | 70 { |
| 71 if (!hasExpandedAllProperty()) | 71 if (!hasExpandedAllProperty()) |
| 72 return m_propertySet->propertyCount(); | 72 return m_propertySet->propertyCount(); |
| 73 return lastCSSProperty - firstCSSProperty + 1; | 73 return lastCSSProperty - firstCSSProperty + 1; |
| 74 } | 74 } |
| 75 | 75 |
| 76 StylePropertySerializer::PropertyValueForSerializer StylePropertySerializer::Sty
lePropertySetForSerializer::propertyAt(unsigned index) const | 76 StylePropertySerializer::PropertyValueForSerializer StylePropertySerializer::Sty
lePropertySetForSerializer::propertyAt(unsigned index) const |
| 77 { | 77 { |
| 78 if (!hasExpandedAllProperty()) | 78 if (!hasExpandedAllProperty()) |
| 79 return StylePropertySerializer::PropertyValueForSerializer(m_propertySet
->propertyAt(index)); | 79 return StylePropertySerializer::PropertyValueForSerializer(m_propertySet
->propertyAt(index)); |
| 80 | 80 |
| 81 CSSPropertyID propertyID = static_cast<CSSPropertyID>(index + firstCSSProper
ty); | 81 CSSPropertyID propertyID = static_cast<CSSPropertyID>(index + firstCSSProper
ty); |
| 82 ASSERT(firstCSSProperty <= propertyID && propertyID <= lastCSSProperty); | 82 DCHECK(isPropertyIDWithName(propertyID)); |
| 83 if (m_longhandPropertyUsed.test(index)) { | 83 if (m_longhandPropertyUsed.test(index)) { |
| 84 int index = m_propertySet->findPropertyIndex(propertyID); | 84 int index = m_propertySet->findPropertyIndex(propertyID); |
| 85 ASSERT(index != -1); | 85 DCHECK_NE(index, -1); |
| 86 return StylePropertySerializer::PropertyValueForSerializer(m_propertySet
->propertyAt(index)); | 86 return StylePropertySerializer::PropertyValueForSerializer(m_propertySet
->propertyAt(index)); |
| 87 } | 87 } |
| 88 | 88 |
| 89 StylePropertySet::PropertyReference property = m_propertySet->propertyAt(m_a
llIndex); | 89 StylePropertySet::PropertyReference property = m_propertySet->propertyAt(m_a
llIndex); |
| 90 return StylePropertySerializer::PropertyValueForSerializer(propertyID, &prop
erty.value(), property.isImportant()); | 90 return StylePropertySerializer::PropertyValueForSerializer(propertyID, &prop
erty.value(), property.isImportant()); |
| 91 } | 91 } |
| 92 | 92 |
| 93 bool StylePropertySerializer::StylePropertySetForSerializer::shouldProcessProper
tyAt(unsigned index) const | 93 bool StylePropertySerializer::StylePropertySetForSerializer::shouldProcessProper
tyAt(unsigned index) const |
| 94 { | 94 { |
| 95 // StylePropertySet has all valid longhands. We should process. | 95 // StylePropertySet has all valid longhands. We should process. |
| 96 if (!hasAllProperty()) | 96 if (!hasAllProperty()) |
| 97 return true; | 97 return true; |
| 98 | 98 |
| 99 // If all is not expanded, we need to process "all" and properties which | 99 // If all is not expanded, we need to process "all" and properties which |
| 100 // are not overwritten by "all". | 100 // are not overwritten by "all". |
| 101 if (!m_needToExpandAll) { | 101 if (!m_needToExpandAll) { |
| 102 StylePropertySet::PropertyReference property = m_propertySet->propertyAt
(index); | 102 StylePropertySet::PropertyReference property = m_propertySet->propertyAt
(index); |
| 103 if (property.id() == CSSPropertyAll || !CSSProperty::isAffectedByAllProp
erty(property.id())) | 103 if (property.id() == CSSPropertyAll || !CSSProperty::isAffectedByAllProp
erty(property.id())) |
| 104 return true; | 104 return true; |
| 105 if (property.id() < firstCSSProperty || property.id() > lastCSSProperty) | 105 if (!isPropertyIDWithName(property.id())) |
| 106 return false; | 106 return false; |
| 107 return m_longhandPropertyUsed.test(property.id() - firstCSSProperty); | 107 return m_longhandPropertyUsed.test(property.id() - firstCSSProperty); |
| 108 } | 108 } |
| 109 | 109 |
| 110 CSSPropertyID propertyID = static_cast<CSSPropertyID>(index + firstCSSProper
ty); | 110 CSSPropertyID propertyID = static_cast<CSSPropertyID>(index + firstCSSProper
ty); |
| 111 ASSERT(firstCSSProperty <= propertyID && propertyID <= lastCSSProperty); | 111 DCHECK(isPropertyIDWithName(propertyID)); |
| 112 | 112 |
| 113 // Since "all" is expanded, we don't need to process "all". | 113 // Since "all" is expanded, we don't need to process "all". |
| 114 // We should not process expanded shorthands (e.g. font, background, | 114 // We should not process expanded shorthands (e.g. font, background, |
| 115 // and so on) either. | 115 // and so on) either. |
| 116 if (isShorthandProperty(propertyID) || propertyID == CSSPropertyAll) | 116 if (isShorthandProperty(propertyID) || propertyID == CSSPropertyAll) |
| 117 return false; | 117 return false; |
| 118 | 118 |
| 119 // The all property is a shorthand that resets all CSS properties except | 119 // The all property is a shorthand that resets all CSS properties except |
| 120 // direction and unicode-bidi. It only accepts the CSS-wide keywords. | 120 // direction and unicode-bidi. It only accepts the CSS-wide keywords. |
| 121 // c.f. http://dev.w3.org/csswg/css-cascade/#all-shorthand | 121 // c.f. http://dev.w3.org/csswg/css-cascade/#all-shorthand |
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| 150 return value.isImplicit(); | 150 return value.isImplicit(); |
| 151 } | 151 } |
| 152 | 152 |
| 153 StylePropertySerializer::StylePropertySerializer(const StylePropertySet& propert
ies) | 153 StylePropertySerializer::StylePropertySerializer(const StylePropertySet& propert
ies) |
| 154 : m_propertySet(properties) | 154 : m_propertySet(properties) |
| 155 { | 155 { |
| 156 } | 156 } |
| 157 | 157 |
| 158 String StylePropertySerializer::getCustomPropertyText(const PropertyValueForSeri
alizer& property, bool isNotFirstDecl) const | 158 String StylePropertySerializer::getCustomPropertyText(const PropertyValueForSeri
alizer& property, bool isNotFirstDecl) const |
| 159 { | 159 { |
| 160 ASSERT(property.id() == CSSPropertyVariable); | 160 DCHECK_EQ(property.id(), CSSPropertyVariable); |
| 161 StringBuilder result; | 161 StringBuilder result; |
| 162 if (isNotFirstDecl) | 162 if (isNotFirstDecl) |
| 163 result.append(' '); | 163 result.append(' '); |
| 164 const CSSCustomPropertyDeclaration* value = toCSSCustomPropertyDeclaration(p
roperty.value()); | 164 const CSSCustomPropertyDeclaration* value = toCSSCustomPropertyDeclaration(p
roperty.value()); |
| 165 result.append(value->name()); | 165 result.append(value->name()); |
| 166 result.append(':'); | 166 result.append(':'); |
| 167 if (!value->value()) | 167 if (!value->value()) |
| 168 result.append(' '); | 168 result.append(' '); |
| 169 result.append(value->customCSSText()); | 169 result.append(value->customCSSText()); |
| 170 if (property.isImportant()) | 170 if (property.isImportant()) |
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| 207 | 207 |
| 208 unsigned size = m_propertySet.propertyCount(); | 208 unsigned size = m_propertySet.propertyCount(); |
| 209 unsigned numDecls = 0; | 209 unsigned numDecls = 0; |
| 210 for (unsigned n = 0; n < size; ++n) { | 210 for (unsigned n = 0; n < size; ++n) { |
| 211 if (!m_propertySet.shouldProcessPropertyAt(n)) | 211 if (!m_propertySet.shouldProcessPropertyAt(n)) |
| 212 continue; | 212 continue; |
| 213 | 213 |
| 214 StylePropertySerializer::PropertyValueForSerializer property = m_propert
ySet.propertyAt(n); | 214 StylePropertySerializer::PropertyValueForSerializer property = m_propert
ySet.propertyAt(n); |
| 215 CSSPropertyID propertyID = property.id(); | 215 CSSPropertyID propertyID = property.id(); |
| 216 // Only enabled properties should be part of the style. | 216 // Only enabled properties should be part of the style. |
| 217 ASSERT(CSSPropertyMetadata::isEnabledProperty(propertyID)); | 217 DCHECK(CSSPropertyMetadata::isEnabledProperty(propertyID)); |
| 218 // Shorthands with variable references are not expanded at parse time | 218 // Shorthands with variable references are not expanded at parse time |
| 219 // and hence may still be observed during serialization. | 219 // and hence may still be observed during serialization. |
| 220 ASSERT(!isShorthandProperty(propertyID) || property.value()->isVariableR
eferenceValue()); | 220 DCHECK(!isShorthandProperty(propertyID) || property.value()->isVariableR
eferenceValue()); |
| 221 | 221 |
| 222 switch (propertyID) { | 222 switch (propertyID) { |
| 223 case CSSPropertyVariable: | 223 case CSSPropertyVariable: |
| 224 result.append(getCustomPropertyText(property, numDecls++)); | 224 result.append(getCustomPropertyText(property, numDecls++)); |
| 225 continue; | 225 continue; |
| 226 case CSSPropertyAll: | 226 case CSSPropertyAll: |
| 227 result.append(getPropertyText(propertyID, property.value()->cssText(
), property.isImportant(), numDecls++)); | 227 result.append(getPropertyText(propertyID, property.value()->cssText(
), property.isImportant(), numDecls++)); |
| 228 continue; | 228 continue; |
| 229 case CSSPropertyApplyAtRule: | 229 case CSSPropertyApplyAtRule: |
| 230 result.append(getApplyAtRuleText(property.value(), numDecls++)); | 230 result.append(getApplyAtRuleText(property.value(), numDecls++)); |
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| 276 longhandSerialized.set(shorthand.properties()[i] - firstCSSPrope
rty); | 276 longhandSerialized.set(shorthand.properties()[i] - firstCSSPrope
rty); |
| 277 break; | 277 break; |
| 278 } | 278 } |
| 279 | 279 |
| 280 if (serializedAsShorthand) | 280 if (serializedAsShorthand) |
| 281 continue; | 281 continue; |
| 282 | 282 |
| 283 result.append(getPropertyText(propertyID, property.value()->cssText(), p
roperty.isImportant(), numDecls++)); | 283 result.append(getPropertyText(propertyID, property.value()->cssText(), p
roperty.isImportant(), numDecls++)); |
| 284 } | 284 } |
| 285 | 285 |
| 286 ASSERT(!numDecls ^ !result.isEmpty()); | 286 DCHECK(!numDecls ^ !result.isEmpty()); |
| 287 return result.toString(); | 287 return result.toString(); |
| 288 } | 288 } |
| 289 | 289 |
| 290 // As per css-cascade, shorthands do not expand longhands to the value | 290 // As per css-cascade, shorthands do not expand longhands to the value |
| 291 // "initial", except when the shorthand is set to "initial", instead | 291 // "initial", except when the shorthand is set to "initial", instead |
| 292 // setting "missing" sub-properties to their initial values. This means | 292 // setting "missing" sub-properties to their initial values. This means |
| 293 // that a shorthand can never represent a list of subproperties where | 293 // that a shorthand can never represent a list of subproperties where |
| 294 // some are "initial" and some are not, and so serialization should | 294 // some are "initial" and some are not, and so serialization should |
| 295 // always fail in these cases (as per cssom). However we currently use | 295 // always fail in these cases (as per cssom). However we currently use |
| 296 // "initial" instead of the initial values for certain shorthands, so | 296 // "initial" instead of the initial values for certain shorthands, so |
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| 498 String horizontalValueCSSText = horizontalValue->cssText(); | 498 String horizontalValueCSSText = horizontalValue->cssText(); |
| 499 String verticalValueCSSText = verticalValue->cssText(); | 499 String verticalValueCSSText = verticalValue->cssText(); |
| 500 if (horizontalValueCSSText == verticalValueCSSText) | 500 if (horizontalValueCSSText == verticalValueCSSText) |
| 501 return horizontalValueCSSText; | 501 return horizontalValueCSSText; |
| 502 return horizontalValueCSSText + ' ' + verticalValueCSSText; | 502 return horizontalValueCSSText + ' ' + verticalValueCSSText; |
| 503 } | 503 } |
| 504 | 504 |
| 505 void StylePropertySerializer::appendFontLonghandValueIfNotNormal(CSSPropertyID p
ropertyID, StringBuilder& result) const | 505 void StylePropertySerializer::appendFontLonghandValueIfNotNormal(CSSPropertyID p
ropertyID, StringBuilder& result) const |
| 506 { | 506 { |
| 507 int foundPropertyIndex = m_propertySet.findPropertyIndex(propertyID); | 507 int foundPropertyIndex = m_propertySet.findPropertyIndex(propertyID); |
| 508 ASSERT(foundPropertyIndex != -1); | 508 DCHECK_NE(foundPropertyIndex, -1); |
| 509 | 509 |
| 510 const CSSValue* val = m_propertySet.propertyAt(foundPropertyIndex).value(); | 510 const CSSValue* val = m_propertySet.propertyAt(foundPropertyIndex).value(); |
| 511 if (val->isPrimitiveValue() && toCSSPrimitiveValue(val)->getValueID() == CSS
ValueNormal) | 511 if (val->isPrimitiveValue() && toCSSPrimitiveValue(val)->getValueID() == CSS
ValueNormal) |
| 512 return; | 512 return; |
| 513 | 513 |
| 514 char prefix = '\0'; | 514 char prefix = '\0'; |
| 515 switch (propertyID) { | 515 switch (propertyID) { |
| 516 case CSSPropertyFontStyle: | 516 case CSSPropertyFontStyle: |
| 517 break; // No prefix. | 517 break; // No prefix. |
| 518 case CSSPropertyFontFamily: | 518 case CSSPropertyFontFamily: |
| 519 case CSSPropertyFontStretch: | 519 case CSSPropertyFontStretch: |
| 520 case CSSPropertyFontVariantCaps: | 520 case CSSPropertyFontVariantCaps: |
| 521 case CSSPropertyFontVariantLigatures: | 521 case CSSPropertyFontVariantLigatures: |
| 522 case CSSPropertyFontVariantNumeric: | 522 case CSSPropertyFontVariantNumeric: |
| 523 case CSSPropertyFontWeight: | 523 case CSSPropertyFontWeight: |
| 524 prefix = ' '; | 524 prefix = ' '; |
| 525 break; | 525 break; |
| 526 case CSSPropertyLineHeight: | 526 case CSSPropertyLineHeight: |
| 527 prefix = '/'; | 527 prefix = '/'; |
| 528 break; | 528 break; |
| 529 default: | 529 default: |
| 530 ASSERT_NOT_REACHED(); | 530 NOTREACHED(); |
| 531 } | 531 } |
| 532 | 532 |
| 533 if (prefix && !result.isEmpty()) | 533 if (prefix && !result.isEmpty()) |
| 534 result.append(prefix); | 534 result.append(prefix); |
| 535 | 535 |
| 536 String value; | 536 String value; |
| 537 // In the font-variant shorthand a "none" ligatures value needs to be expand
ed. | 537 // In the font-variant shorthand a "none" ligatures value needs to be expand
ed. |
| 538 if (propertyID == CSSPropertyFontVariantLigatures | 538 if (propertyID == CSSPropertyFontVariantLigatures |
| 539 && val->isPrimitiveValue() | 539 && val->isPrimitiveValue() |
| 540 && toCSSPrimitiveValue(val)->getValueID() == CSSValueNone) { | 540 && toCSSPrimitiveValue(val)->getValueID() == CSSValueNone) { |
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| 697 // Background color belongs in the last layer. | 697 // Background color belongs in the last layer. |
| 698 value = values[propertyIndex]; | 698 value = values[propertyIndex]; |
| 699 } | 699 } |
| 700 // No point proceeding if there's not a value to look at. | 700 // No point proceeding if there's not a value to look at. |
| 701 if (!value) | 701 if (!value) |
| 702 continue; | 702 continue; |
| 703 | 703 |
| 704 // Special case for background-repeat. | 704 // Special case for background-repeat. |
| 705 if ((propertyIndex < size - 1 && m_propertySet.isPropertyImplicit(pr
operty)) | 705 if ((propertyIndex < size - 1 && m_propertySet.isPropertyImplicit(pr
operty)) |
| 706 && (property == CSSPropertyBackgroundRepeatX || property == CSSP
ropertyWebkitMaskRepeatX)) { | 706 && (property == CSSPropertyBackgroundRepeatX || property == CSSP
ropertyWebkitMaskRepeatX)) { |
| 707 ASSERT(shorthand.properties()[propertyIndex + 1] == CSSPropertyB
ackgroundRepeatY | 707 DCHECK(shorthand.properties()[propertyIndex + 1] == CSSPropertyB
ackgroundRepeatY |
| 708 || shorthand.properties()[propertyIndex + 1] == CSSPropertyW
ebkitMaskRepeatY); | 708 || shorthand.properties()[propertyIndex + 1] == CSSPropertyW
ebkitMaskRepeatY); |
| 709 const CSSValue& yValue = values[propertyIndex + 1]->isValueList(
) ? | 709 const CSSValue& yValue = values[propertyIndex + 1]->isValueList(
) ? |
| 710 toCSSValueList(values[propertyIndex + 1])->item(layer) : *va
lues[propertyIndex + 1]; | 710 toCSSValueList(values[propertyIndex + 1])->item(layer) : *va
lues[propertyIndex + 1]; |
| 711 | 711 |
| 712 | 712 |
| 713 // FIXME: At some point we need to fix this code to avoid return
ing an invalid shorthand, | 713 // FIXME: At some point we need to fix this code to avoid return
ing an invalid shorthand, |
| 714 // since some longhand combinations are not serializable into a
single shorthand. | 714 // since some longhand combinations are not serializable into a
single shorthand. |
| 715 if (!value->isPrimitiveValue() || !yValue.isPrimitiveValue()) | 715 if (!value->isPrimitiveValue() || !yValue.isPrimitiveValue()) |
| 716 continue; | 716 continue; |
| 717 | 717 |
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| 870 builder.append(", "); | 870 builder.append(", "); |
| 871 | 871 |
| 872 const CSSValue& xValue = repeatXList ? repeatXList->item(i % repeatXList
->length()) : repeatX; | 872 const CSSValue& xValue = repeatXList ? repeatXList->item(i % repeatXList
->length()) : repeatX; |
| 873 const CSSValue& yValue = repeatYList ? repeatYList->item(i % repeatYList
->length()) : repeatY; | 873 const CSSValue& yValue = repeatYList ? repeatYList->item(i % repeatYList
->length()) : repeatY; |
| 874 appendBackgroundRepeatValue(builder, xValue, yValue); | 874 appendBackgroundRepeatValue(builder, xValue, yValue); |
| 875 } | 875 } |
| 876 return builder.toString(); | 876 return builder.toString(); |
| 877 } | 877 } |
| 878 | 878 |
| 879 } // namespace blink | 879 } // namespace blink |
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