gecko-dev/dom/animation/AnimValuesStyleRule.h
Hiroyuki Ikezoe d4826bcff3 Bug 1305325 - Part 2: Add AnimValuesStyleRule::GetValue and HasValue to get the last composed style. r=birtles
HasValue() will be used to check that we have already composed style
for a given property or not.

MozReview-Commit-ID: L8lezGyON5o
2016-12-04 08:07:39 +09:00

64 lines
2.0 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 "nsCSSPropertyID.h"
#include "nsCSSPropertyIDSet.h"
#include "nsDataHashtable.h"
#include "nsHashKeys.h" // For nsUint32HashKey
#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;
bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override;
#ifdef DEBUG
void List(FILE* out = stdout, int32_t aIndent = 0) const override;
#endif
// For the following functions, it there is already a value for |aProperty| it
// will be replaced with |aValue|.
void AddValue(nsCSSPropertyID aProperty, const StyleAnimationValue &aValue);
void AddValue(nsCSSPropertyID aProperty, StyleAnimationValue&& aValue);
bool HasValue(nsCSSPropertyID aProperty) const {
return mAnimationValues.Contains(aProperty);
}
bool GetValue(nsCSSPropertyID aProperty, StyleAnimationValue& aValue) const;
private:
~AnimValuesStyleRule() {}
nsDataHashtable<nsUint32HashKey, StyleAnimationValue> mAnimationValues;
uint32_t mStyleBits;
};
} // namespace mozilla
#endif // mozilla_AnimValuesStyleRule_h