diff options
Diffstat (limited to 'dom/svg/nsSVGInteger.cpp')
-rw-r--r-- | dom/svg/nsSVGInteger.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/dom/svg/nsSVGInteger.cpp b/dom/svg/nsSVGInteger.cpp new file mode 100644 index 000000000..c0eb9c85e --- /dev/null +++ b/dom/svg/nsSVGInteger.cpp @@ -0,0 +1,153 @@ +/* -*- 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/. */ + +#include "nsError.h" +#include "nsSVGAttrTearoffTable.h" +#include "nsSVGInteger.h" +#include "nsSMILValue.h" +#include "SMILIntegerType.h" +#include "SVGContentUtils.h" + +using namespace mozilla; +using namespace mozilla::dom; + +/* Implementation */ + +static nsSVGAttrTearoffTable<nsSVGInteger, nsSVGInteger::DOMAnimatedInteger> + sSVGAnimatedIntegerTearoffTable; + +nsresult +nsSVGInteger::SetBaseValueString(const nsAString &aValueAsString, + nsSVGElement *aSVGElement) +{ + int32_t value; + + if (!SVGContentUtils::ParseInteger(aValueAsString, value)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + mIsBaseSet = true; + mBaseVal = value; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } + else { + aSVGElement->AnimationNeedsResample(); + } + return NS_OK; +} + +void +nsSVGInteger::GetBaseValueString(nsAString & aValueAsString) +{ + aValueAsString.Truncate(); + aValueAsString.AppendInt(mBaseVal); +} + +void +nsSVGInteger::SetBaseValue(int aValue, nsSVGElement *aSVGElement) +{ + // We can't just rely on SetParsedAttrValue (as called by DidChangeInteger) + // detecting redundant changes since it will compare false if the existing + // attribute value has an associated serialized version (a string value) even + // if the integers match due to the way integers are stored in nsAttrValue. + if (aValue == mBaseVal && mIsBaseSet) { + return; + } + + mBaseVal = aValue; + mIsBaseSet = true; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } + else { + aSVGElement->AnimationNeedsResample(); + } + aSVGElement->DidChangeInteger(mAttrEnum); +} + +void +nsSVGInteger::SetAnimValue(int aValue, nsSVGElement *aSVGElement) +{ + if (mIsAnimated && aValue == mAnimVal) { + return; + } + mAnimVal = aValue; + mIsAnimated = true; + aSVGElement->DidAnimateInteger(mAttrEnum); +} + +already_AddRefed<SVGAnimatedInteger> +nsSVGInteger::ToDOMAnimatedInteger(nsSVGElement *aSVGElement) +{ + RefPtr<DOMAnimatedInteger> domAnimatedInteger = + sSVGAnimatedIntegerTearoffTable.GetTearoff(this); + if (!domAnimatedInteger) { + domAnimatedInteger = new DOMAnimatedInteger(this, aSVGElement); + sSVGAnimatedIntegerTearoffTable.AddTearoff(this, domAnimatedInteger); + } + + return domAnimatedInteger.forget(); +} + +nsSVGInteger::DOMAnimatedInteger::~DOMAnimatedInteger() +{ + sSVGAnimatedIntegerTearoffTable.RemoveTearoff(mVal); +} + +nsISMILAttr* +nsSVGInteger::ToSMILAttr(nsSVGElement *aSVGElement) +{ + return new SMILInteger(this, aSVGElement); +} + +nsresult +nsSVGInteger::SMILInteger::ValueFromString(const nsAString& aStr, + const dom::SVGAnimationElement* /*aSrcElement*/, + nsSMILValue& aValue, + bool& aPreventCachingOfSandwich) const +{ + int32_t val; + + if (!SVGContentUtils::ParseInteger(aStr, val)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + nsSMILValue smilVal(SMILIntegerType::Singleton()); + smilVal.mU.mInt = val; + aValue = smilVal; + aPreventCachingOfSandwich = false; + return NS_OK; +} + +nsSMILValue +nsSVGInteger::SMILInteger::GetBaseValue() const +{ + nsSMILValue val(SMILIntegerType::Singleton()); + val.mU.mInt = mVal->mBaseVal; + return val; +} + +void +nsSVGInteger::SMILInteger::ClearAnimValue() +{ + if (mVal->mIsAnimated) { + mVal->mIsAnimated = false; + mVal->mAnimVal = mVal->mBaseVal; + mSVGElement->DidAnimateInteger(mVal->mAttrEnum); + } +} + +nsresult +nsSVGInteger::SMILInteger::SetAnimValue(const nsSMILValue& aValue) +{ + NS_ASSERTION(aValue.mType == SMILIntegerType::Singleton(), + "Unexpected type to assign animated value"); + if (aValue.mType == SMILIntegerType::Singleton()) { + mVal->SetAnimValue(int(aValue.mU.mInt), mSVGElement); + } + return NS_OK; +} |