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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/StylePropertyMap.h"
#include "CSSUnsupportedValue.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/CSSKeywordValue.h"
#include "mozilla/dom/CSSMathSum.h"
#include "mozilla/dom/CSSStyleValue.h"
#include "mozilla/dom/CSSUnitValue.h"
#include "mozilla/dom/StylePropertyMapBinding.h"
#include "nsCOMPtr.h"
#include "nsCSSProps.h"
#include "nsDOMCSSDeclaration.h"
#include "nsQueryObject.h"
#include "nsString.h"
#include "nsStyledElement.h"
namespace mozilla::dom {
StylePropertyMap::StylePropertyMap(Element* aElement, bool aComputed)
: StylePropertyMapReadOnly(aElement, aComputed) {
MOZ_DIAGNOSTIC_ASSERT(!aComputed);
}
StylePropertyMap::StylePropertyMap(CSSStyleRule* aRule)
: StylePropertyMapReadOnly(aRule) {}
JSObject* StylePropertyMap::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return StylePropertyMap_Binding::Wrap(aCx, this, aGivenProto);
}
// start of StylePropertyMap Web IDL implementation
// https://drafts.css-houdini.org/css-typed-om/#dom-stylepropertymap-set
//
// XXX This is not yet fully implemented and optimized!
void StylePropertyMap::Set(
const nsACString& aProperty,
const Sequence<OwningCSSStyleValueOrUTF8String>& aValues,
ErrorResult& aRv) {
// Step 2.
NonCustomCSSPropertyId id = nsCSSProps::LookupProperty(aProperty);
if (id == eCSSProperty_UNKNOWN) {
aRv.ThrowTypeError("Invalid property: "_ns + aProperty);
return;
}
auto propertyId = CSSPropertyId::FromIdOrCustomProperty(id, aProperty);
if (aValues.Length() != 1) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return;
}
const auto& styleValueOrString = aValues[0];
if (!styleValueOrString.IsCSSStyleValue()) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return;
}
CSSStyleValue& styleValue = styleValueOrString.GetAsCSSStyleValue();
// Step 4
const auto* valuePropertyId = styleValue.GetPropertyId();
if (valuePropertyId && *valuePropertyId != propertyId) {
aRv.ThrowTypeError("Invalid type for property"_ns);
return;
}
nsAutoCString cssText;
switch (styleValue.GetValueType()) {
case CSSStyleValue::ValueType::MathSum: {
CSSMathSum& mathSum = styleValue.GetAsCSSMathSum();
mathSum.ToCssTextWithProperty(propertyId, cssText);
break;
}
case CSSStyleValue::ValueType::UnitValue: {
CSSUnitValue& unitValue = styleValue.GetAsCSSUnitValue();
unitValue.ToCssTextWithProperty(propertyId, cssText);
break;
}
case CSSStyleValue::ValueType::KeywordValue: {
CSSKeywordValue& keywordValue = styleValue.GetAsCSSKeywordValue();
keywordValue.ToCssTextWithProperty(propertyId, cssText);
break;
}
case CSSStyleValue::ValueType::UnsupportedValue: {
CSSUnsupportedValue& unsupportedValue =
styleValue.GetAsCSSUnsupportedValue();
unsupportedValue.ToCssTextWithProperty(propertyId, cssText);
break;
}
case CSSStyleValue::ValueType::Uninitialized:
break;
}
if (cssText.IsEmpty()) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return;
}
// Step 6.
RefPtr<nsStyledElement> styledElement = do_QueryObject(mParent);
if (!styledElement) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return;
}
nsCOMPtr<nsDOMCSSDeclaration> declaration = styledElement->Style();
declaration->SetProperty(aProperty, cssText, ""_ns, aRv);
}
void StylePropertyMap::Append(
const nsACString& aProperty,
const Sequence<OwningCSSStyleValueOrUTF8String>& aValues,
ErrorResult& aRv) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void StylePropertyMap::Delete(const nsACString& aProperty, ErrorResult& aRv) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void StylePropertyMap::Clear() {}
// end of StylePropertyMap Web IDL implementation
size_t StylePropertyMap::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
return StylePropertyMapReadOnly::SizeOfExcludingThis(aMallocSizeOf) +
aMallocSizeOf(this);
}
} // namespace mozilla::dom
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