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-rw-r--r--dom/svg/SVGAnimatedPreserveAspectRatio.h142
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diff --git a/dom/svg/SVGAnimatedPreserveAspectRatio.h b/dom/svg/SVGAnimatedPreserveAspectRatio.h
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+++ b/dom/svg/SVGAnimatedPreserveAspectRatio.h
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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/. */
+
+#ifndef MOZILLA_SVGANIMATEDPRESERVEASPECTRATIO_H__
+#define MOZILLA_SVGANIMATEDPRESERVEASPECTRATIO_H__
+
+#include "nsCycleCollectionParticipant.h"
+#include "nsError.h"
+#include "nsISMILAttr.h"
+#include "nsSVGElement.h"
+#include "SVGPreserveAspectRatio.h"
+#include "mozilla/Attributes.h"
+
+class nsSMILValue;
+
+namespace mozilla {
+namespace dom {
+class DOMSVGAnimatedPreserveAspectRatio;
+class SVGAnimationElement;
+} // namespace dom
+
+class SVGAnimatedPreserveAspectRatio final
+{
+public:
+ void Init() {
+ mBaseVal.mAlign = SVG_PRESERVEASPECTRATIO_XMIDYMID;
+ mBaseVal.mMeetOrSlice = SVG_MEETORSLICE_MEET;
+ mAnimVal = mBaseVal;
+ mIsAnimated = false;
+ mIsBaseSet = false;
+ }
+
+ nsresult SetBaseValueString(const nsAString& aValue,
+ nsSVGElement *aSVGElement,
+ bool aDoSetAttr);
+ void GetBaseValueString(nsAString& aValue) const;
+
+ void SetBaseValue(const SVGPreserveAspectRatio &aValue,
+ nsSVGElement *aSVGElement);
+ nsresult SetBaseAlign(uint16_t aAlign, nsSVGElement *aSVGElement) {
+ if (aAlign < SVG_ALIGN_MIN_VALID || aAlign > SVG_ALIGN_MAX_VALID) {
+ return NS_ERROR_FAILURE;
+ }
+ SetBaseValue(SVGPreserveAspectRatio(
+ static_cast<SVGAlign>(aAlign), mBaseVal.GetMeetOrSlice()),
+ aSVGElement);
+ return NS_OK;
+ }
+ nsresult SetBaseMeetOrSlice(uint16_t aMeetOrSlice, nsSVGElement *aSVGElement) {
+ if (aMeetOrSlice < SVG_MEETORSLICE_MIN_VALID ||
+ aMeetOrSlice > SVG_MEETORSLICE_MAX_VALID) {
+ return NS_ERROR_FAILURE;
+ }
+ SetBaseValue(SVGPreserveAspectRatio(
+ mBaseVal.GetAlign(), static_cast<SVGMeetOrSlice>(aMeetOrSlice)),
+ aSVGElement);
+ return NS_OK;
+ }
+ void SetAnimValue(uint64_t aPackedValue, nsSVGElement *aSVGElement);
+
+ const SVGPreserveAspectRatio &GetBaseValue() const
+ { return mBaseVal; }
+ const SVGPreserveAspectRatio &GetAnimValue() const
+ { return mAnimVal; }
+ bool IsAnimated() const
+ { return mIsAnimated; }
+ bool IsExplicitlySet() const
+ { return mIsAnimated || mIsBaseSet; }
+
+ already_AddRefed<mozilla::dom::DOMSVGAnimatedPreserveAspectRatio>
+ ToDOMAnimatedPreserveAspectRatio(nsSVGElement* aSVGElement);
+ // Returns a new nsISMILAttr object that the caller must delete
+ nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement);
+
+private:
+
+ SVGPreserveAspectRatio mAnimVal;
+ SVGPreserveAspectRatio mBaseVal;
+ bool mIsAnimated;
+ bool mIsBaseSet;
+
+public:
+ struct SMILPreserveAspectRatio final : public nsISMILAttr
+ {
+ public:
+ SMILPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal,
+ nsSVGElement* aSVGElement)
+ : mVal(aVal), mSVGElement(aSVGElement) {}
+
+ // These will stay alive because a nsISMILAttr only lives as long
+ // as the Compositing step, and DOM elements don't get a chance to
+ // die during that.
+ SVGAnimatedPreserveAspectRatio* mVal;
+ nsSVGElement* mSVGElement;
+
+ // nsISMILAttr methods
+ virtual nsresult ValueFromString(const nsAString& aStr,
+ const dom::SVGAnimationElement* aSrcElement,
+ nsSMILValue& aValue,
+ bool& aPreventCachingOfSandwich) const override;
+ virtual nsSMILValue GetBaseValue() const override;
+ virtual void ClearAnimValue() override;
+ virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
+ };
+};
+
+namespace dom {
+class DOMSVGAnimatedPreserveAspectRatio final : public nsISupports,
+ public nsWrapperCache
+{
+ ~DOMSVGAnimatedPreserveAspectRatio();
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMSVGAnimatedPreserveAspectRatio)
+
+ DOMSVGAnimatedPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal,
+ nsSVGElement *aSVGElement)
+ : mVal(aVal), mSVGElement(aSVGElement)
+ {
+ }
+
+ // WebIDL
+ nsSVGElement* GetParentObject() const { return mSVGElement; }
+ virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ // These aren't weak refs because new objects are returned each time
+ already_AddRefed<DOMSVGPreserveAspectRatio> BaseVal();
+ already_AddRefed<DOMSVGPreserveAspectRatio> AnimVal();
+
+protected:
+ // kept alive because it belongs to content:
+ SVGAnimatedPreserveAspectRatio* mVal;
+ RefPtr<nsSVGElement> mSVGElement;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // MOZILLA_SVGANIMATEDPRESERVEASPECTRATIO_H__