153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; 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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#include "nsError.h"
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#include "nsSVGAttrTearoffTable.h"
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#include "nsSVGInteger.h"
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#include "nsSMILValue.h"
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#include "SMILIntegerType.h"
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#include "SVGContentUtils.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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/* Implementation */
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static nsSVGAttrTearoffTable<nsSVGInteger, nsSVGInteger::DOMAnimatedInteger>
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sSVGAnimatedIntegerTearoffTable;
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nsresult
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nsSVGInteger::SetBaseValueString(const nsAString &aValueAsString,
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nsSVGElement *aSVGElement)
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{
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int32_t value;
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if (!SVGContentUtils::ParseInteger(aValueAsString, value)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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mIsBaseSet = true;
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mBaseVal = value;
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if (!mIsAnimated) {
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mAnimVal = mBaseVal;
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}
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else {
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aSVGElement->AnimationNeedsResample();
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}
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return NS_OK;
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}
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void
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nsSVGInteger::GetBaseValueString(nsAString & aValueAsString)
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{
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aValueAsString.Truncate();
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aValueAsString.AppendInt(mBaseVal);
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}
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void
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nsSVGInteger::SetBaseValue(int aValue, nsSVGElement *aSVGElement)
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{
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// We can't just rely on SetParsedAttrValue (as called by DidChangeInteger)
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// detecting redundant changes since it will compare false if the existing
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// attribute value has an associated serialized version (a string value) even
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// if the integers match due to the way integers are stored in nsAttrValue.
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if (aValue == mBaseVal && mIsBaseSet) {
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return;
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}
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mBaseVal = aValue;
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mIsBaseSet = true;
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if (!mIsAnimated) {
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mAnimVal = mBaseVal;
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}
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else {
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aSVGElement->AnimationNeedsResample();
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}
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aSVGElement->DidChangeInteger(mAttrEnum);
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}
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void
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nsSVGInteger::SetAnimValue(int aValue, nsSVGElement *aSVGElement)
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{
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if (mIsAnimated && aValue == mAnimVal) {
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return;
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}
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mAnimVal = aValue;
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mIsAnimated = true;
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aSVGElement->DidAnimateInteger(mAttrEnum);
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}
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already_AddRefed<SVGAnimatedInteger>
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nsSVGInteger::ToDOMAnimatedInteger(nsSVGElement *aSVGElement)
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{
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RefPtr<DOMAnimatedInteger> domAnimatedInteger =
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sSVGAnimatedIntegerTearoffTable.GetTearoff(this);
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if (!domAnimatedInteger) {
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domAnimatedInteger = new DOMAnimatedInteger(this, aSVGElement);
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sSVGAnimatedIntegerTearoffTable.AddTearoff(this, domAnimatedInteger);
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}
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return domAnimatedInteger.forget();
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}
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nsSVGInteger::DOMAnimatedInteger::~DOMAnimatedInteger()
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{
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sSVGAnimatedIntegerTearoffTable.RemoveTearoff(mVal);
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}
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nsISMILAttr*
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nsSVGInteger::ToSMILAttr(nsSVGElement *aSVGElement)
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{
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return new SMILInteger(this, aSVGElement);
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}
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nsresult
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nsSVGInteger::SMILInteger::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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int32_t val;
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if (!SVGContentUtils::ParseInteger(aStr, val)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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nsSMILValue smilVal(SMILIntegerType::Singleton());
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smilVal.mU.mInt = val;
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aValue = smilVal;
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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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nsSVGInteger::SMILInteger::GetBaseValue() const
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{
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nsSMILValue val(SMILIntegerType::Singleton());
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val.mU.mInt = mVal->mBaseVal;
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return val;
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}
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void
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nsSVGInteger::SMILInteger::ClearAnimValue()
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{
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if (mVal->mIsAnimated) {
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mVal->mIsAnimated = false;
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mVal->mAnimVal = mVal->mBaseVal;
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mSVGElement->DidAnimateInteger(mVal->mAttrEnum);
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}
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}
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nsresult
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nsSVGInteger::SMILInteger::SetAnimValue(const nsSMILValue& aValue)
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{
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NS_ASSERTION(aValue.mType == SMILIntegerType::Singleton(),
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"Unexpected type to assign animated value");
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if (aValue.mType == SMILIntegerType::Singleton()) {
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mVal->SetAnimValue(int(aValue.mU.mInt), mSVGElement);
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}
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return NS_OK;
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}
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