diff options
Diffstat (limited to 'dom/svg/nsSVGBoolean.cpp')
-rw-r--r-- | dom/svg/nsSVGBoolean.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/dom/svg/nsSVGBoolean.cpp b/dom/svg/nsSVGBoolean.cpp new file mode 100644 index 000000000..10b800475 --- /dev/null +++ b/dom/svg/nsSVGBoolean.cpp @@ -0,0 +1,184 @@ +/* -*- 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 "nsSVGBoolean.h" +#include "nsSMILValue.h" +#include "SMILBoolType.h" +#include "SVGAnimatedBoolean.h" + +using namespace mozilla; +using namespace mozilla::dom; + +/* Implementation */ + +static inline +nsSVGAttrTearoffTable<nsSVGBoolean, SVGAnimatedBoolean>& +SVGAnimatedBooleanTearoffTable() +{ + static nsSVGAttrTearoffTable<nsSVGBoolean, SVGAnimatedBoolean> + sSVGAnimatedBooleanTearoffTable; + return sSVGAnimatedBooleanTearoffTable; +} + +static bool +GetValueFromString(const nsAString& aValueAsString, + bool& aValue) +{ + if (aValueAsString.EqualsLiteral("true")) { + aValue = true; + return true; + } + if (aValueAsString.EqualsLiteral("false")) { + aValue = false; + return true; + } + return false; +} + +static nsresult +GetValueFromAtom(const nsIAtom* aValueAsAtom, bool *aValue) +{ + if (aValueAsAtom == nsGkAtoms::_true) { + *aValue = true; + return NS_OK; + } + if (aValueAsAtom == nsGkAtoms::_false) { + *aValue = false; + return NS_OK; + } + return NS_ERROR_DOM_SYNTAX_ERR; +} + +nsresult +nsSVGBoolean::SetBaseValueAtom(const nsIAtom* aValue, nsSVGElement *aSVGElement) +{ + bool val = false; + + nsresult rv = GetValueFromAtom(aValue, &val); + if (NS_FAILED(rv)) { + return rv; + } + + mBaseVal = val; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } + else { + aSVGElement->AnimationNeedsResample(); + } + + // We don't need to call DidChange* here - we're only called by + // nsSVGElement::ParseAttribute under Element::SetAttr, + // which takes care of notifying. + return NS_OK; +} + +nsIAtom* +nsSVGBoolean::GetBaseValueAtom() const +{ + return mBaseVal ? nsGkAtoms::_true : nsGkAtoms::_false; +} + +void +nsSVGBoolean::SetBaseValue(bool aValue, nsSVGElement *aSVGElement) +{ + if (aValue == mBaseVal) { + return; + } + + mBaseVal = aValue; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } else { + aSVGElement->AnimationNeedsResample(); + } + aSVGElement->DidChangeBoolean(mAttrEnum); +} + +void +nsSVGBoolean::SetAnimValue(bool aValue, nsSVGElement *aSVGElement) +{ + if (mIsAnimated && mAnimVal == aValue) { + return; + } + mAnimVal = aValue; + mIsAnimated = true; + aSVGElement->DidAnimateBoolean(mAttrEnum); +} + +already_AddRefed<SVGAnimatedBoolean> +nsSVGBoolean::ToDOMAnimatedBoolean(nsSVGElement* aSVGElement) +{ + RefPtr<SVGAnimatedBoolean> domAnimatedBoolean = + SVGAnimatedBooleanTearoffTable().GetTearoff(this); + if (!domAnimatedBoolean) { + domAnimatedBoolean = new SVGAnimatedBoolean(this, aSVGElement); + SVGAnimatedBooleanTearoffTable().AddTearoff(this, domAnimatedBoolean); + } + + return domAnimatedBoolean.forget(); +} + +SVGAnimatedBoolean::~SVGAnimatedBoolean() +{ + SVGAnimatedBooleanTearoffTable().RemoveTearoff(mVal); +} + +nsISMILAttr* +nsSVGBoolean::ToSMILAttr(nsSVGElement *aSVGElement) +{ + return new SMILBool(this, aSVGElement); +} + +nsresult +nsSVGBoolean::SMILBool::ValueFromString(const nsAString& aStr, + const SVGAnimationElement* /*aSrcElement*/, + nsSMILValue& aValue, + bool& aPreventCachingOfSandwich) const +{ + bool value; + if (!GetValueFromString(aStr, value)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + nsSMILValue val(SMILBoolType::Singleton()); + val.mU.mBool = value; + aValue = val; + aPreventCachingOfSandwich = false; + + return NS_OK; +} + +nsSMILValue +nsSVGBoolean::SMILBool::GetBaseValue() const +{ + nsSMILValue val(SMILBoolType::Singleton()); + val.mU.mBool = mVal->mBaseVal; + return val; +} + +void +nsSVGBoolean::SMILBool::ClearAnimValue() +{ + if (mVal->mIsAnimated) { + mVal->mIsAnimated = false; + mVal->mAnimVal = mVal->mBaseVal; + mSVGElement->DidAnimateBoolean(mVal->mAttrEnum); + } +} + +nsresult +nsSVGBoolean::SMILBool::SetAnimValue(const nsSMILValue& aValue) +{ + NS_ASSERTION(aValue.mType == SMILBoolType::Singleton(), + "Unexpected type to assign animated value"); + if (aValue.mType == SMILBoolType::Singleton()) { + mVal->SetAnimValue(uint16_t(aValue.mU.mBool), mSVGElement); + } + return NS_OK; +} |