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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/StylePropertyMap.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/css/CSSValueList.h"
#include "core/css/cssom/CSSSimpleLength.h"
#include "core/css/cssom/CSSStyleValue.h"
#include "core/css/cssom/StyleValueFactory.h"
namespace blink {
namespace {
class StylePropertyMapIterationSource final
: public PairIterable<String, CSSStyleValueOrCSSStyleValueSequence>::
IterationSource {
public:
explicit StylePropertyMapIterationSource(
HeapVector<StylePropertyMap::StylePropertyMapEntry> values)
: m_index(0), m_values(values) {}
bool next(ScriptState*,
String& key,
CSSStyleValueOrCSSStyleValueSequence& value,
ExceptionState&) override {
if (m_index >= m_values.size())
return false;
const StylePropertyMap::StylePropertyMapEntry& pair =
m_values.at(m_index++);
key = pair.first;
value = pair.second;
return true;
}
DEFINE_INLINE_VIRTUAL_TRACE() {
visitor->trace(m_values);
PairIterable<String, CSSStyleValueOrCSSStyleValueSequence>::
IterationSource::trace(visitor);
}
private:
size_t m_index;
const HeapVector<StylePropertyMap::StylePropertyMapEntry> m_values;
};
} // namespace
CSSStyleValue* StylePropertyMap::get(const String& propertyName,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID == CSSPropertyInvalid || propertyID == CSSPropertyVariable) {
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
return nullptr;
}
CSSStyleValueVector styleVector = getAllInternal(propertyID);
if (styleVector.isEmpty())
return nullptr;
return styleVector[0];
}
CSSStyleValueVector StylePropertyMap::getAll(const String& propertyName,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID != CSSPropertyInvalid && propertyID != CSSPropertyVariable)
return getAllInternal(propertyID);
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
return CSSStyleValueVector();
}
bool StylePropertyMap::has(const String& propertyName,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID != CSSPropertyInvalid && propertyID != CSSPropertyVariable)
return !getAllInternal(propertyID).isEmpty();
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
return false;
}
void StylePropertyMap::set(const String& propertyName,
CSSStyleValueOrCSSStyleValueSequenceOrString& item,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID != CSSPropertyInvalid && propertyID != CSSPropertyVariable) {
set(propertyID, item, exceptionState);
return;
}
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
}
void StylePropertyMap::append(
const String& propertyName,
CSSStyleValueOrCSSStyleValueSequenceOrString& item,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID != CSSPropertyInvalid && propertyID != CSSPropertyVariable) {
append(propertyID, item, exceptionState);
return;
}
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
}
void StylePropertyMap::remove(const String& propertyName,
ExceptionState& exceptionState) {
CSSPropertyID propertyID = cssPropertyID(propertyName);
if (propertyID != CSSPropertyInvalid && propertyID != CSSPropertyVariable) {
remove(propertyID, exceptionState);
return;
}
// TODO(meade): Handle custom properties here.
exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
}
StylePropertyMap::IterationSource* StylePropertyMap::startIteration(
ScriptState*,
ExceptionState&) {
return new StylePropertyMapIterationSource(getIterationEntries());
}
} // namespace blink
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