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-rw-r--r--dom/svg/nsSVGBoolean.cpp184
1 files changed, 184 insertions, 0 deletions
diff --git a/dom/svg/nsSVGBoolean.cpp b/dom/svg/nsSVGBoolean.cpp
new file mode 100644
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+++ b/dom/svg/nsSVGBoolean.cpp
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+/* -*- 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;
+}