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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/css/cssom/InlineStylePropertyMap.h"
#include "bindings/core/v8/Iterable.h"
#include "core/CSSPropertyNames.h"
#include "core/css/CSSCustomIdentValue.h"
#include "core/css/CSSCustomPropertyDeclaration.h"
#include "core/css/CSSPrimitiveValue.h"
#include "core/css/CSSPropertyMetadata.h"
#include "core/css/CSSValueList.h"
#include "core/css/StylePropertySet.h"
#include "core/css/cssom/CSSOMTypes.h"
#include "core/css/cssom/CSSSimpleLength.h"
#include "core/css/cssom/CSSUnsupportedStyleValue.h"
#include "core/css/cssom/StyleValueFactory.h"
namespace blink {
namespace {
const CSSValue* styleValueToCSSValue(CSSPropertyID propertyID,
const CSSStyleValue& styleValue) {
if (!CSSOMTypes::propertyCanTake(propertyID, styleValue))
return nullptr;
return styleValue.toCSSValueWithProperty(propertyID);
}
const CSSValue* singleStyleValueAsCSSValue(CSSPropertyID propertyID,
const CSSStyleValue& styleValue) {
if (!CSSPropertyMetadata::propertyIsRepeated(propertyID))
return styleValueToCSSValue(propertyID, styleValue);
const CSSValue* cssValue = styleValueToCSSValue(propertyID, styleValue);
if (!cssValue)
return nullptr;
// TODO(meade): Determine the correct separator for each property.
CSSValueList* valueList = CSSValueList::createSpaceSeparated();
valueList->append(*cssValue);
return valueList;
}
CSSValueList* asCSSValueList(CSSPropertyID propertyID,
const CSSStyleValueVector& styleValueVector) {
// TODO(meade): Determine the correct separator for each property.
CSSValueList* valueList = CSSValueList::createSpaceSeparated();
for (const CSSStyleValue* value : styleValueVector) {
const CSSValue* cssValue = styleValueToCSSValue(propertyID, *value);
if (!cssValue) {
return nullptr;
}
valueList->append(*cssValue);
}
return valueList;
}
} // namespace
CSSStyleValueVector InlineStylePropertyMap::getAllInternal(
CSSPropertyID propertyID) {
const CSSValue* cssValue =
m_ownerElement->ensureMutableInlineStyle().getPropertyCSSValue(
propertyID);
if (!cssValue)
return CSSStyleValueVector();
return StyleValueFactory::cssValueToStyleValueVector(propertyID, *cssValue);
}
CSSStyleValueVector InlineStylePropertyMap::getAllInternal(
AtomicString customPropertyName) {
const CSSValue* cssValue =
m_ownerElement->ensureMutableInlineStyle().getPropertyCSSValue(
customPropertyName);
if (!cssValue)
return CSSStyleValueVector();
return StyleValueFactory::cssValueToStyleValueVector(CSSPropertyInvalid,
*cssValue);
}
Vector<String> InlineStylePropertyMap::getProperties() {
DEFINE_STATIC_LOCAL(const String, kAtApply, ("@apply"));
Vector<String> result;
bool containsAtApply = false;
StylePropertySet& inlineStyleSet = m_ownerElement->ensureMutableInlineStyle();
for (unsigned i = 0; i < inlineStyleSet.propertyCount(); i++) {
CSSPropertyID propertyID = inlineStyleSet.propertyAt(i).id();
if (propertyID == CSSPropertyVariable) {
StylePropertySet::PropertyReference propertyReference =
inlineStyleSet.propertyAt(i);
const CSSCustomPropertyDeclaration& customDeclaration =
toCSSCustomPropertyDeclaration(propertyReference.value());
result.push_back(customDeclaration.name());
} else if (propertyID == CSSPropertyApplyAtRule) {
if (!containsAtApply) {
result.push_back(kAtApply);
containsAtApply = true;
}
} else {
result.push_back(getPropertyNameString(propertyID));
}
}
return result;
}
void InlineStylePropertyMap::set(
CSSPropertyID propertyID,
CSSStyleValueOrCSSStyleValueSequenceOrString& item,
ExceptionState& exceptionState) {
const CSSValue* cssValue = nullptr;
if (item.isCSSStyleValue()) {
cssValue =
singleStyleValueAsCSSValue(propertyID, *item.getAsCSSStyleValue());
} else if (item.isCSSStyleValueSequence()) {
if (!CSSPropertyMetadata::propertyIsRepeated(propertyID)) {
exceptionState.throwTypeError(
"Property does not support multiple values");
return;
}
cssValue = asCSSValueList(propertyID, item.getAsCSSStyleValueSequence());
} else {
// Parse it.
DCHECK(item.isString());
// TODO(meade): Implement this.
exceptionState.throwTypeError("Not implemented yet");
return;
}
if (!cssValue) {
exceptionState.throwTypeError("Invalid type for property");
return;
}
m_ownerElement->setInlineStyleProperty(propertyID, cssValue);
}
void InlineStylePropertyMap::append(
CSSPropertyID propertyID,
CSSStyleValueOrCSSStyleValueSequenceOrString& item,
ExceptionState& exceptionState) {
if (!CSSPropertyMetadata::propertyIsRepeated(propertyID)) {
exceptionState.throwTypeError("Property does not support multiple values");
return;
}
const CSSValue* cssValue =
m_ownerElement->ensureMutableInlineStyle().getPropertyCSSValue(
propertyID);
CSSValueList* cssValueList = nullptr;
if (!cssValue) {
// TODO(meade): Determine the correct separator for each property.
cssValueList = CSSValueList::createSpaceSeparated();
} else if (cssValue->isValueList()) {
cssValueList = toCSSValueList(cssValue)->copy();
} else {
// TODO(meade): Figure out what the correct behaviour here is.
exceptionState.throwTypeError("Property is not already list valued");
return;
}
if (item.isCSSStyleValue()) {
const CSSValue* cssValue =
styleValueToCSSValue(propertyID, *item.getAsCSSStyleValue());
if (!cssValue) {
exceptionState.throwTypeError("Invalid type for property");
return;
}
cssValueList->append(*cssValue);
} else if (item.isCSSStyleValueSequence()) {
for (CSSStyleValue* styleValue : item.getAsCSSStyleValueSequence()) {
const CSSValue* cssValue = styleValueToCSSValue(propertyID, *styleValue);
if (!cssValue) {
exceptionState.throwTypeError("Invalid type for property");
return;
}
cssValueList->append(*cssValue);
}
} else {
// Parse it.
DCHECK(item.isString());
// TODO(meade): Implement this.
exceptionState.throwTypeError("Not implemented yet");
return;
}
m_ownerElement->setInlineStyleProperty(propertyID, cssValueList);
}
void InlineStylePropertyMap::remove(CSSPropertyID propertyID,
ExceptionState& exceptionState) {
m_ownerElement->removeInlineStyleProperty(propertyID);
}
HeapVector<StylePropertyMap::StylePropertyMapEntry>
InlineStylePropertyMap::getIterationEntries() {
DEFINE_STATIC_LOCAL(const String, kAtApply, ("@apply"));
HeapVector<StylePropertyMap::StylePropertyMapEntry> result;
StylePropertySet& inlineStyleSet = m_ownerElement->ensureMutableInlineStyle();
for (unsigned i = 0; i < inlineStyleSet.propertyCount(); i++) {
StylePropertySet::PropertyReference propertyReference =
inlineStyleSet.propertyAt(i);
CSSPropertyID propertyID = propertyReference.id();
String name;
CSSStyleValueOrCSSStyleValueSequence value;
if (propertyID == CSSPropertyVariable) {
const CSSCustomPropertyDeclaration& customDeclaration =
toCSSCustomPropertyDeclaration(propertyReference.value());
name = customDeclaration.name();
// TODO(meade): Eventually custom properties will support other types, so
// actually return them instead of always returning a
// CSSUnsupportedStyleValue.
value.setCSSStyleValue(
CSSUnsupportedStyleValue::create(customDeclaration.customCSSText()));
} else if (propertyID == CSSPropertyApplyAtRule) {
name = kAtApply;
value.setCSSStyleValue(CSSUnsupportedStyleValue::create(
toCSSCustomIdentValue(propertyReference.value()).value()));
} else {
name = getPropertyNameString(propertyID);
CSSStyleValueVector styleValueVector =
StyleValueFactory::cssValueToStyleValueVector(
propertyID, propertyReference.value());
if (styleValueVector.size() == 1)
value.setCSSStyleValue(styleValueVector[0]);
else
value.setCSSStyleValueSequence(styleValueVector);
}
result.push_back(std::make_pair(name, value));
}
return result;
}
} // namespace blink
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