зеркало из https://github.com/mozilla/gecko-dev.git
147 строки
4.0 KiB
C++
147 строки
4.0 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 "nsSVGString.h"
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#include "mozilla/Move.h"
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#include "nsSVGAttrTearoffTable.h"
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#include "nsSMILValue.h"
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#include "SMILStringType.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(nsSVGString::DOMAnimatedString, mSVGElement)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGString::DOMAnimatedString)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGString::DOMAnimatedString)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGString::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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static inline
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nsSVGAttrTearoffTable<nsSVGString, nsSVGString::DOMAnimatedString>&
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SVGAnimatedStringTearoffTable()
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{
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static nsSVGAttrTearoffTable<nsSVGString, nsSVGString::DOMAnimatedString>
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sSVGAnimatedStringTearoffTable;
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return sSVGAnimatedStringTearoffTable;
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}
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/* Implementation */
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void
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nsSVGString::SetBaseValue(const nsAString& aValue,
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nsSVGElement *aSVGElement,
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bool aDoSetAttr)
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{
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NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
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mIsBaseSet = true;
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if (aDoSetAttr) {
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aSVGElement->SetStringBaseValue(mAttrEnum, aValue);
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}
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if (mAnimVal) {
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aSVGElement->AnimationNeedsResample();
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}
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aSVGElement->DidChangeString(mAttrEnum);
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}
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void
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nsSVGString::GetAnimValue(nsAString& aResult, const nsSVGElement *aSVGElement) const
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{
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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->GetStringBaseValue(mAttrEnum, aResult);
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}
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void
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nsSVGString::SetAnimValue(const nsAString& aValue, nsSVGElement *aSVGElement)
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{
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if (aSVGElement->IsStringAnimatable(mAttrEnum)) {
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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 = new nsString();
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}
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*mAnimVal = aValue;
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aSVGElement->DidAnimateString(mAttrEnum);
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}
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}
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already_AddRefed<SVGAnimatedString>
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nsSVGString::ToDOMAnimatedString(nsSVGElement* aSVGElement)
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{
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RefPtr<DOMAnimatedString> domAnimatedString =
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SVGAnimatedStringTearoffTable().GetTearoff(this);
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if (!domAnimatedString) {
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domAnimatedString = new DOMAnimatedString(this, aSVGElement);
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SVGAnimatedStringTearoffTable().AddTearoff(this, domAnimatedString);
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}
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return domAnimatedString.forget();
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}
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nsSVGString::DOMAnimatedString::~DOMAnimatedString()
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{
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SVGAnimatedStringTearoffTable().RemoveTearoff(mVal);
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}
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nsISMILAttr*
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nsSVGString::ToSMILAttr(nsSVGElement *aSVGElement)
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{
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return new SMILString(this, aSVGElement);
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}
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nsresult
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nsSVGString::SMILString::ValueFromString(const nsAString& aStr,
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const dom::SVGAnimationElement* /*aSrcElement*/,
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nsSMILValue& aValue,
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bool& aPreventCachingOfSandwich) const
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{
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nsSMILValue val(SMILStringType::Singleton());
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*static_cast<nsAString*>(val.mU.mPtr) = aStr;
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aValue = Move(val);
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aPreventCachingOfSandwich = false;
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return NS_OK;
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}
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nsSMILValue
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nsSVGString::SMILString::GetBaseValue() const
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{
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nsSMILValue val(SMILStringType::Singleton());
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mSVGElement->GetStringBaseValue(mVal->mAttrEnum, *static_cast<nsAString*>(val.mU.mPtr));
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return val;
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}
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void
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nsSVGString::SMILString::ClearAnimValue()
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{
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if (mVal->mAnimVal) {
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mVal->mAnimVal = nullptr;
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mSVGElement->DidAnimateString(mVal->mAttrEnum);
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}
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}
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nsresult
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nsSVGString::SMILString::SetAnimValue(const nsSMILValue& aValue)
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{
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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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