зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.5 KiB
C++
148 строки
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "SVGAnimatedClass.h"
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#include <utility>
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#include "DOMSVGAnimatedString.h"
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#include "SMILStringType.h"
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#include "mozilla/SMILValue.h"
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#include "mozilla/dom/SVGElement.h"
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namespace mozilla {
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namespace dom {
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// DOM wrapper class for the (DOM)SVGAnimatedString interface where the
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// wrapped class is SVGAnimatedClass.
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struct DOMAnimatedString final : public DOMSVGAnimatedString {
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMAnimatedString)
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DOMAnimatedString(SVGAnimatedClass* aVal, SVGElement* aSVGElement)
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: DOMSVGAnimatedString(aSVGElement), mVal(aVal) {}
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SVGAnimatedClass* mVal; // kept alive because it belongs to content
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void GetBaseVal(nsAString& aResult) override {
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mVal->GetBaseValue(aResult, mSVGElement);
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}
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void SetBaseVal(const nsAString& aValue) override {
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mVal->SetBaseValue(aValue, mSVGElement, true);
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}
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void GetAnimVal(nsAString& aResult) override;
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private:
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~DOMAnimatedString() = default;
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};
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NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(DOMAnimatedString, mSVGElement)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMAnimatedString)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMAnimatedString)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMAnimatedString)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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already_AddRefed<DOMSVGAnimatedString> SVGAnimatedClass::ToDOMAnimatedString(
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SVGElement* aSVGElement) {
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RefPtr<DOMAnimatedString> result = new DOMAnimatedString(this, aSVGElement);
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return result.forget();
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}
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/* Implementation */
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void SVGAnimatedClass::SetBaseValue(const nsAString& aValue,
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SVGElement* aSVGElement, bool aDoSetAttr) {
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NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
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aSVGElement->SetMayHaveClass();
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if (aDoSetAttr) {
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aSVGElement->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, aValue, true);
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}
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if (mAnimVal) {
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aSVGElement->AnimationNeedsResample();
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}
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}
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void SVGAnimatedClass::GetBaseValue(nsAString& aValue,
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const SVGElement* aSVGElement) const {
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aSVGElement->GetAttr(kNameSpaceID_None, nsGkAtoms::_class, aValue);
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}
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void SVGAnimatedClass::GetAnimValue(nsAString& aResult,
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const SVGElement* aSVGElement) const {
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if (mAnimVal) {
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aResult = *mAnimVal;
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return;
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}
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aSVGElement->GetAttr(kNameSpaceID_None, nsGkAtoms::_class, aResult);
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}
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void SVGAnimatedClass::SetAnimValue(const nsAString& aValue,
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SVGElement* aSVGElement) {
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if (mAnimVal && mAnimVal->Equals(aValue)) {
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return;
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}
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if (!mAnimVal) {
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mAnimVal = MakeUnique<nsString>();
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}
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*mAnimVal = aValue;
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aSVGElement->SetMayHaveClass();
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aSVGElement->DidAnimateClass();
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}
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void DOMAnimatedString::GetAnimVal(nsAString& aResult) {
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mSVGElement->FlushAnimations();
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mVal->GetAnimValue(aResult, mSVGElement);
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}
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UniquePtr<SMILAttr> SVGAnimatedClass::ToSMILAttr(SVGElement* aSVGElement) {
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return MakeUnique<SMILString>(this, aSVGElement);
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}
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nsresult SVGAnimatedClass::SMILString::ValueFromString(
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const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
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SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
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SMILValue val(SMILStringType::Singleton());
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*static_cast<nsAString*>(val.mU.mPtr) = aStr;
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aValue = std::move(val);
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aPreventCachingOfSandwich = false;
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return NS_OK;
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}
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SMILValue SVGAnimatedClass::SMILString::GetBaseValue() const {
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SMILValue val(SMILStringType::Singleton());
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mSVGElement->GetAttr(kNameSpaceID_None, nsGkAtoms::_class,
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*static_cast<nsAString*>(val.mU.mPtr));
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return val;
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}
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void SVGAnimatedClass::SMILString::ClearAnimValue() {
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if (mVal->mAnimVal) {
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mVal->mAnimVal = nullptr;
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mSVGElement->DidAnimateClass();
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}
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}
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nsresult SVGAnimatedClass::SMILString::SetAnimValue(const SMILValue& aValue) {
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NS_ASSERTION(aValue.mType == SMILStringType::Singleton(),
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"Unexpected type to assign animated value");
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if (aValue.mType == SMILStringType::Singleton()) {
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mVal->SetAnimValue(*static_cast<nsAString*>(aValue.mU.mPtr), mSVGElement);
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}
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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