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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_SVGMOTIONSMILANIMATIONFUNCTION_H_
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#define MOZILLA_SVGMOTIONSMILANIMATIONFUNCTION_H_
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#include "mozilla/gfx/2D.h"
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#include "mozilla/RefPtr.h"
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#include "nsAutoPtr.h"
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#include "nsSMILAnimationFunction.h"
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#include "nsTArray.h"
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#include "SVGMotionSMILType.h" // for RotateType
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class nsAttrValue;
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class nsIAtom;
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class nsIContent;
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class nsISMILAttr;
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class nsSMILValue;
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namespace mozilla {
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namespace dom {
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class SVGMPathElement;
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}
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//----------------------------------------------------------------------
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// SVGMotionSMILAnimationFunction
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//
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// Subclass of nsSMILAnimationFunction to support a few extra features offered
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// by the <animateMotion> element.
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//
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class SVGMotionSMILAnimationFunction final : public nsSMILAnimationFunction
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{
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typedef mozilla::gfx::Path Path;
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public:
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SVGMotionSMILAnimationFunction();
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virtual bool SetAttr(nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult,
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nsresult* aParseResult = nullptr) override;
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virtual bool UnsetAttr(nsIAtom* aAttribute) override;
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// Method to allow our owner-element to signal us when our <mpath>
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// has changed or been added/removed. When that happens, we need to
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// mark ourselves as changed so we'll get recomposed, and mark our path data
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// as stale so it'll get regenerated (regardless of mPathSourceType, since
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// <mpath> trumps all the other sources of path data)
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void MpathChanged() { mIsPathStale = mHasChanged = true; }
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protected:
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enum PathSourceType {
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// NOTE: Ordering matters here. Higher-priority path-descriptors should
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// have higher enumerated values
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ePathSourceType_None, // uninitialized or not applicable
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ePathSourceType_ByAttr, // by or from-by animation
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ePathSourceType_ToAttr, // to or from-to animation
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ePathSourceType_ValuesAttr,
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ePathSourceType_PathAttr,
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ePathSourceType_Mpath
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};
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virtual nsSMILCalcMode GetCalcMode() const override;
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virtual nsresult GetValues(const nsISMILAttr& aSMILAttr,
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nsSMILValueArray& aResult) override;
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virtual void CheckValueListDependentAttrs(uint32_t aNumValues) override;
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virtual bool IsToAnimation() const override;
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void CheckKeyPoints();
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nsresult SetKeyPoints(const nsAString& aKeyPoints, nsAttrValue& aResult);
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void UnsetKeyPoints();
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nsresult SetRotate(const nsAString& aRotate, nsAttrValue& aResult);
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void UnsetRotate();
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// Helpers for GetValues
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void MarkStaleIfAttributeAffectsPath(nsIAtom* aAttribute);
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void RebuildPathAndVertices(const nsIContent* aContextElem);
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void RebuildPathAndVerticesFromMpathElem(dom::SVGMPathElement* aMpathElem);
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void RebuildPathAndVerticesFromPathAttr();
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void RebuildPathAndVerticesFromBasicAttrs(const nsIContent* aContextElem);
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bool GenerateValuesForPathAndPoints(Path* aPath,
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bool aIsKeyPoints,
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FallibleTArray<double>& aPointDistances,
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nsSMILValueArray& aResult);
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// Members
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// -------
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FallibleTArray<double> mKeyPoints; // parsed from "keyPoints" attribute.
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RotateType mRotateType; // auto, auto-reverse, or explicit.
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float mRotateAngle; // the angle value, if explicit.
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PathSourceType mPathSourceType; // source of our Path.
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RefPtr<Path> mPath; // representation of motion path.
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FallibleTArray<double> mPathVertices; // distances of vertices along path.
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bool mIsPathStale;
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};
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} // namespace mozilla
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#endif // MOZILLA_SVGMOTIONSMILANIMATIONFUNCTION_H_
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