From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- dom/smil/SMILCSSProperty.h | 80 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 dom/smil/SMILCSSProperty.h (limited to 'dom/smil/SMILCSSProperty.h') diff --git a/dom/smil/SMILCSSProperty.h b/dom/smil/SMILCSSProperty.h new file mode 100644 index 0000000000..d83721e56b --- /dev/null +++ b/dom/smil/SMILCSSProperty.h @@ -0,0 +1,80 @@ +/* -*- 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/. */ + +/* representation of a SMIL-animatable CSS property on an element */ + +#ifndef DOM_SMIL_SMILCSSPROPERTY_H_ +#define DOM_SMIL_SMILCSSPROPERTY_H_ + +#include "mozilla/Attributes.h" +#include "mozilla/SMILAttr.h" +#include "nsAtom.h" +#include "nsCSSPropertyID.h" +#include "nsCSSValue.h" + +namespace mozilla { +class ComputedStyle; +namespace dom { +class Element; +} // namespace dom + +/** + * SMILCSSProperty: Implements the SMILAttr interface for SMIL animations + * that target CSS properties. Represents a particular animation-targeted CSS + * property on a particular element. + */ +class SMILCSSProperty : public SMILAttr { + public: + /** + * Constructs a new SMILCSSProperty. + * @param aPropID The CSS property we're interested in animating. + * @param aElement The element whose CSS property is being animated. + * @param aBaseComputedStyle The ComputedStyle to use when getting the base + * value. If this is nullptr and GetBaseValue is + * called, an empty SMILValue initialized with + * the SMILCSSValueType will be returned. + */ + SMILCSSProperty(nsCSSPropertyID aPropID, dom::Element* aElement, + const ComputedStyle* aBaseComputedStyle); + + // SMILAttr methods + nsresult ValueFromString(const nsAString& aStr, + const dom::SVGAnimationElement* aSrcElement, + SMILValue& aValue, + bool& aPreventCachingOfSandwich) const override; + SMILValue GetBaseValue() const override; + nsresult SetAnimValue(const SMILValue& aValue) override; + void ClearAnimValue() override; + + /** + * Utility method - returns true if the given property is supported for + * SMIL animation. + * + * @param aProperty The property to check for animation support. + * @return true if the given property is supported for SMIL animation, or + * false otherwise + */ + static bool IsPropertyAnimatable(nsCSSPropertyID aPropID); + + protected: + nsCSSPropertyID mPropID; + // Using non-refcounted pointer for mElement -- we know mElement will stay + // alive for my lifetime because a SMILAttr (like me) only lives as long + // as the Compositing step, and DOM elements don't get a chance to die during + // that time. + dom::Element* mElement; + + // The style to use when fetching base styles. + // + // As with mElement, since a SMILAttr only lives as long as the + // compositing step and since ComposeAttribute holds an owning reference to + // the base ComputedStyle, we can use a non-owning reference here. + const ComputedStyle* mBaseComputedStyle; +}; + +} // namespace mozilla + +#endif // DOM_SMIL_SMILCSSPROPERTY_H_ -- cgit v1.2.3