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-rw-r--r--dom/svg/SVGAnimatedPreserveAspectRatio.h139
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diff --git a/dom/svg/SVGAnimatedPreserveAspectRatio.h 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 DOM_SVG_SVGANIMATEDPRESERVEASPECTRATIO_H_
+#define DOM_SVG_SVGANIMATEDPRESERVEASPECTRATIO_H_
+
+#include "nsCycleCollectionParticipant.h"
+#include "nsError.h"
+#include "mozilla/SVGPreserveAspectRatio.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/SMILAttr.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/dom/SVGElement.h"
+
+namespace mozilla {
+
+class SMILValue;
+
+namespace dom {
+class DOMSVGAnimatedPreserveAspectRatio;
+class SVGAnimationElement;
+} // namespace dom
+
+class SVGAnimatedPreserveAspectRatio final {
+ friend class AutoChangePreserveAspectRatioNotifier;
+
+ public:
+ void Init() {
+ mBaseVal.mAlign =
+ dom::SVGPreserveAspectRatio_Binding::SVG_PRESERVEASPECTRATIO_XMIDYMID;
+ mBaseVal.mMeetOrSlice =
+ dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_MEET;
+ mAnimVal = mBaseVal;
+ mIsAnimated = false;
+ mIsBaseSet = false;
+ }
+
+ nsresult SetBaseValueString(const nsAString& aValue,
+ dom::SVGElement* aSVGElement, bool aDoSetAttr);
+ void GetBaseValueString(nsAString& aValue) const;
+
+ void SetBaseValue(const SVGPreserveAspectRatio& aValue,
+ dom::SVGElement* aSVGElement);
+ nsresult SetBaseAlign(uint16_t aAlign, dom::SVGElement* aSVGElement) {
+ if (aAlign < SVG_ALIGN_MIN_VALID || aAlign > SVG_ALIGN_MAX_VALID) {
+ return NS_ERROR_FAILURE;
+ }
+ SetBaseValue(SVGPreserveAspectRatio(static_cast<uint8_t>(aAlign),
+ mBaseVal.GetMeetOrSlice()),
+ aSVGElement);
+ return NS_OK;
+ }
+ nsresult SetBaseMeetOrSlice(uint16_t aMeetOrSlice,
+ dom::SVGElement* aSVGElement) {
+ if (aMeetOrSlice < SVG_MEETORSLICE_MIN_VALID ||
+ aMeetOrSlice > SVG_MEETORSLICE_MAX_VALID) {
+ return NS_ERROR_FAILURE;
+ }
+ SetBaseValue(SVGPreserveAspectRatio(mBaseVal.GetAlign(),
+ static_cast<uint8_t>(aMeetOrSlice)),
+ aSVGElement);
+ return NS_OK;
+ }
+ void SetAnimValue(uint64_t aPackedValue, dom::SVGElement* 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<dom::DOMSVGAnimatedPreserveAspectRatio>
+ ToDOMAnimatedPreserveAspectRatio(dom::SVGElement* aSVGElement);
+ UniquePtr<SMILAttr> ToSMILAttr(dom::SVGElement* aSVGElement);
+
+ private:
+ SVGPreserveAspectRatio mAnimVal;
+ SVGPreserveAspectRatio mBaseVal;
+ bool mIsAnimated;
+ bool mIsBaseSet;
+
+ public:
+ struct SMILPreserveAspectRatio final : public SMILAttr {
+ public:
+ SMILPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal,
+ dom::SVGElement* aSVGElement)
+ : mVal(aVal), mSVGElement(aSVGElement) {}
+
+ // These will stay alive because a SMILAttr only lives as long
+ // as the Compositing step, and DOM elements don't get a chance to
+ // die during that.
+ SVGAnimatedPreserveAspectRatio* mVal;
+ dom::SVGElement* mSVGElement;
+
+ // SMILAttr methods
+ nsresult ValueFromString(const nsAString& aStr,
+ const dom::SVGAnimationElement* aSrcElement,
+ SMILValue& aValue,
+ bool& aPreventCachingOfSandwich) const override;
+ SMILValue GetBaseValue() const override;
+ void ClearAnimValue() override;
+ nsresult SetAnimValue(const SMILValue& aValue) override;
+ };
+};
+
+namespace dom {
+class DOMSVGAnimatedPreserveAspectRatio final : public nsWrapperCache {
+ ~DOMSVGAnimatedPreserveAspectRatio();
+
+ NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(
+ DOMSVGAnimatedPreserveAspectRatio)
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(
+ DOMSVGAnimatedPreserveAspectRatio)
+
+ DOMSVGAnimatedPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal,
+ dom::SVGElement* aSVGElement)
+ : mVal(aVal), mSVGElement(aSVGElement) {}
+
+ // WebIDL
+ dom::SVGElement* 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<dom::SVGElement> mSVGElement;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // DOM_SVG_SVGANIMATEDPRESERVEASPECTRATIO_H_