gecko-dev/dom/animation/AnimValuesStyleRule.h

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2.2 KiB
C++

/* -*- 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/. */
#ifndef mozilla_AnimValuesStyleRule_h
#define mozilla_AnimValuesStyleRule_h
#include "mozilla/StyleAnimationValue.h"
#include "nsCSSProperty.h"
#include "nsCSSPropertySet.h"
#include "nsIStyleRule.h"
#include "nsISupportsImpl.h" // For NS_DECL_ISUPPORTS
#include "nsRuleNode.h" // For nsCachedStyleData
#include "nsTArray.h" // For nsTArray
namespace mozilla {
/**
* A style rule that maps property-StyleAnimationValue pairs.
*/
class AnimValuesStyleRule final : public nsIStyleRule
{
public:
AnimValuesStyleRule()
: mStyleBits(0) {}
// nsISupports implementation
NS_DECL_ISUPPORTS
// nsIStyleRule implementation
void MapRuleInfoInto(nsRuleData* aRuleData) override;
bool MightMapInheritedStyleData() override;
#ifdef DEBUG
void List(FILE* out = stdout, int32_t aIndent = 0) const override;
#endif
void AddValue(nsCSSProperty aProperty, StyleAnimationValue &aStartValue)
{
PropertyValuePair v = { aProperty, aStartValue };
mPropertyValuePairs.AppendElement(v);
mStyleBits |=
nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[aProperty]);
}
// Caller must fill in returned value.
StyleAnimationValue* AddEmptyValue(nsCSSProperty aProperty)
{
PropertyValuePair *p = mPropertyValuePairs.AppendElement();
p->mProperty = aProperty;
mStyleBits |=
nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[aProperty]);
return &p->mValue;
}
struct PropertyValuePair {
nsCSSProperty mProperty;
StyleAnimationValue mValue;
};
void AddPropertiesToSet(nsCSSPropertySet& aSet) const
{
for (size_t i = 0, i_end = mPropertyValuePairs.Length(); i < i_end; ++i) {
const PropertyValuePair &cv = mPropertyValuePairs[i];
aSet.AddProperty(cv.mProperty);
}
}
private:
~AnimValuesStyleRule() {}
InfallibleTArray<PropertyValuePair> mPropertyValuePairs;
uint32_t mStyleBits;
};
} // namespace mozilla
#endif // mozilla_AnimValuesStyleRule_h