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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/svg/nsSVGNumber2.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloaduxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/svg/nsSVGNumber2.cpp')
-rw-r--r--dom/svg/nsSVGNumber2.cpp184
1 files changed, 184 insertions, 0 deletions
diff --git a/dom/svg/nsSVGNumber2.cpp b/dom/svg/nsSVGNumber2.cpp
new file mode 100644
index 0000000000..ece721ee0c
--- /dev/null
+++ b/dom/svg/nsSVGNumber2.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 "nsSVGNumber2.h"
+#include "mozilla/Attributes.h"
+#include "nsContentUtils.h" // NS_ENSURE_FINITE
+#include "nsSMILFloatType.h"
+#include "nsSMILValue.h"
+#include "nsSVGAttrTearoffTable.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+/* Implementation */
+
+static nsSVGAttrTearoffTable<nsSVGNumber2, nsSVGNumber2::DOMAnimatedNumber>
+ sSVGAnimatedNumberTearoffTable;
+
+static bool
+GetValueFromString(const nsAString& aString,
+ bool aPercentagesAllowed,
+ float& aValue)
+{
+ RangedPtr<const char16_t> iter =
+ SVGContentUtils::GetStartRangedPtr(aString);
+ const RangedPtr<const char16_t> end =
+ SVGContentUtils::GetEndRangedPtr(aString);
+
+ if (!SVGContentUtils::ParseNumber(iter, end, aValue)) {
+ return false;
+ }
+
+ if (aPercentagesAllowed) {
+ const nsAString& units = Substring(iter.get(), end.get());
+ if (units.EqualsLiteral("%")) {
+ aValue /= 100;
+ return true;
+ }
+ }
+
+ return iter == end;
+}
+
+nsresult
+nsSVGNumber2::SetBaseValueString(const nsAString &aValueAsString,
+ nsSVGElement *aSVGElement)
+{
+ float val;
+
+ if (!GetValueFromString(aValueAsString,
+ aSVGElement->NumberAttrAllowsPercentage(mAttrEnum),
+ val)) {
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+
+ mBaseVal = val;
+ mIsBaseSet = true;
+ 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;
+}
+
+void
+nsSVGNumber2::GetBaseValueString(nsAString & aValueAsString)
+{
+ aValueAsString.Truncate();
+ aValueAsString.AppendFloat(mBaseVal);
+}
+
+void
+nsSVGNumber2::SetBaseValue(float aValue, nsSVGElement *aSVGElement)
+{
+ if (mIsBaseSet && aValue == mBaseVal) {
+ return;
+ }
+
+ mBaseVal = aValue;
+ mIsBaseSet = true;
+ if (!mIsAnimated) {
+ mAnimVal = mBaseVal;
+ }
+ else {
+ aSVGElement->AnimationNeedsResample();
+ }
+ aSVGElement->DidChangeNumber(mAttrEnum);
+}
+
+void
+nsSVGNumber2::SetAnimValue(float aValue, nsSVGElement *aSVGElement)
+{
+ if (mIsAnimated && aValue == mAnimVal) {
+ return;
+ }
+ mAnimVal = aValue;
+ mIsAnimated = true;
+ aSVGElement->DidAnimateNumber(mAttrEnum);
+}
+
+already_AddRefed<SVGAnimatedNumber>
+nsSVGNumber2::ToDOMAnimatedNumber(nsSVGElement* aSVGElement)
+{
+ RefPtr<DOMAnimatedNumber> domAnimatedNumber =
+ sSVGAnimatedNumberTearoffTable.GetTearoff(this);
+ if (!domAnimatedNumber) {
+ domAnimatedNumber = new DOMAnimatedNumber(this, aSVGElement);
+ sSVGAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
+ }
+
+ return domAnimatedNumber.forget();
+}
+
+nsSVGNumber2::DOMAnimatedNumber::~DOMAnimatedNumber()
+{
+ sSVGAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+}
+
+nsISMILAttr*
+nsSVGNumber2::ToSMILAttr(nsSVGElement *aSVGElement)
+{
+ return new SMILNumber(this, aSVGElement);
+}
+
+nsresult
+nsSVGNumber2::SMILNumber::ValueFromString(const nsAString& aStr,
+ const mozilla::dom::SVGAnimationElement* /*aSrcElement*/,
+ nsSMILValue& aValue,
+ bool& aPreventCachingOfSandwich) const
+{
+ float value;
+
+ if (!GetValueFromString(aStr,
+ mSVGElement->NumberAttrAllowsPercentage(mVal->mAttrEnum),
+ value)) {
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+
+ nsSMILValue val(nsSMILFloatType::Singleton());
+ val.mU.mDouble = value;
+ aValue = val;
+ aPreventCachingOfSandwich = false;
+
+ return NS_OK;
+}
+
+nsSMILValue
+nsSVGNumber2::SMILNumber::GetBaseValue() const
+{
+ nsSMILValue val(nsSMILFloatType::Singleton());
+ val.mU.mDouble = mVal->mBaseVal;
+ return val;
+}
+
+void
+nsSVGNumber2::SMILNumber::ClearAnimValue()
+{
+ if (mVal->mIsAnimated) {
+ mVal->mIsAnimated = false;
+ mVal->mAnimVal = mVal->mBaseVal;
+ mSVGElement->DidAnimateNumber(mVal->mAttrEnum);
+ }
+}
+
+nsresult
+nsSVGNumber2::SMILNumber::SetAnimValue(const nsSMILValue& aValue)
+{
+ NS_ASSERTION(aValue.mType == nsSMILFloatType::Singleton(),
+ "Unexpected type to assign animated value");
+ if (aValue.mType == nsSMILFloatType::Singleton()) {
+ mVal->SetAnimValue(float(aValue.mU.mDouble), mSVGElement);
+ }
+ return NS_OK;
+}