Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 515 insertions, 0 deletions

diff --git a/dom/svg/SVGAnimatedOrient.cpp b/dom/svg/SVGAnimatedOrient.cpp
new file mode 100644
index 0000000000..c6339b644c
--- /dev/null
+++ b/dom/svg/SVGAnimatedOrient.cpp
@@ -0,0 +1,515 @@
+/* -*- 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 "SVGAnimatedOrient.h"
+
+#include <utility>
+
+#include "DOMSVGAngle.h"
+#include "DOMSVGAnimatedAngle.h"
+#include "SVGAttrTearoffTable.h"
+#include "SVGOrientSMILType.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/SMILValue.h"
+#include "mozilla/dom/SVGMarkerElement.h"
+#include "mozAutoDocUpdate.h"
+#include "nsContentUtils.h"
+#include "nsTextFormatter.h"
+#include "nsPrintfCString.h"
+
+using namespace mozilla::dom;
+using namespace mozilla::dom::SVGAngle_Binding;
+using namespace mozilla::dom::SVGMarkerElement_Binding;
+
+namespace mozilla {
+
+static SVGAttrTearoffTable<SVGAnimatedOrient, DOMSVGAnimatedEnumeration>
+    sSVGAnimatedEnumTearoffTable;
+static SVGAttrTearoffTable<SVGAnimatedOrient, DOMSVGAnimatedAngle>
+    sSVGAnimatedAngleTearoffTable;
+static SVGAttrTearoffTable<SVGAnimatedOrient, DOMSVGAngle>
+    sBaseSVGAngleTearoffTable;
+static SVGAttrTearoffTable<SVGAnimatedOrient, DOMSVGAngle>
+    sAnimSVGAngleTearoffTable;
+
+/* Helper functions */
+
+//----------------------------------------------------------------------
+// Helper class: AutoChangeOrientNotifier
+// Stack-based helper class to pair calls to WillChangeOrient and
+// DidChangeOrient with mozAutoDocUpdate.
+class MOZ_RAII AutoChangeOrientNotifier {
+ public:
+  AutoChangeOrientNotifier(SVGAnimatedOrient* aOrient, SVGElement* aSVGElement,
+                           bool aDoSetAttr = true)
+      : mOrient(aOrient), mSVGElement(aSVGElement), mDoSetAttr(aDoSetAttr) {
+    MOZ_ASSERT(mOrient, "Expecting non-null orient");
+    if (mSVGElement && mDoSetAttr) {
+      mUpdateBatch.emplace(mSVGElement->GetComposedDoc(), true);
+      mEmptyOrOldValue = mSVGElement->WillChangeOrient(mUpdateBatch.ref());
+    }
+  }
+
+  ~AutoChangeOrientNotifier() {
+    if (mSVGElement) {
+      if (mDoSetAttr) {
+        mSVGElement->DidChangeOrient(mEmptyOrOldValue, mUpdateBatch.ref());
+      }
+      if (mOrient->mIsAnimated) {
+        mSVGElement->AnimationNeedsResample();
+      }
+    }
+  }
+
+ private:
+  Maybe<mozAutoDocUpdate> mUpdateBatch;
+  SVGAnimatedOrient* const mOrient;
+  SVGElement* const mSVGElement;
+  nsAttrValue mEmptyOrOldValue;
+  bool mDoSetAttr;
+};
+
+const unsigned short SVG_ANGLETYPE_TURN = 5;
+
+static void GetAngleUnitString(nsAString& aUnit, uint16_t aUnitType) {
+  switch (aUnitType) {
+    case SVG_ANGLETYPE_UNSPECIFIED:
+      aUnit.Truncate();
+      return;
+    case SVG_ANGLETYPE_DEG:
+      aUnit.AssignLiteral("deg");
+      return;
+    case SVG_ANGLETYPE_RAD:
+      aUnit.AssignLiteral("rad");
+      return;
+    case SVG_ANGLETYPE_GRAD:
+      aUnit.AssignLiteral("grad");
+      return;
+    case SVG_ANGLETYPE_TURN:
+      aUnit.AssignLiteral("turn");
+      return;
+  }
+
+  MOZ_ASSERT_UNREACHABLE("Unknown unit type");
+}
+
+static uint16_t GetAngleUnitTypeForString(const nsAString& aUnit) {
+  if (aUnit.IsEmpty()) {
+    return SVG_ANGLETYPE_UNSPECIFIED;
+  }
+  if (aUnit.LowerCaseEqualsLiteral("deg")) {
+    return SVG_ANGLETYPE_DEG;
+  }
+  if (aUnit.LowerCaseEqualsLiteral("rad")) {
+    return SVG_ANGLETYPE_RAD;
+  }
+  if (aUnit.LowerCaseEqualsLiteral("grad")) {
+    return SVG_ANGLETYPE_GRAD;
+  }
+  if (aUnit.LowerCaseEqualsLiteral("turn")) {
+    return SVG_ANGLETYPE_TURN;
+  }
+  return SVG_ANGLETYPE_UNKNOWN;
+}
+
+static void GetAngleValueString(nsAString& aValueAsString, float aValue,
+                                uint16_t aUnitType) {
+  nsTextFormatter::ssprintf(aValueAsString, u"%g", (double)aValue);
+
+  nsAutoString unitString;
+  GetAngleUnitString(unitString, aUnitType);
+  aValueAsString.Append(unitString);
+}
+
+/*static*/
+bool SVGAnimatedOrient::IsValidUnitType(uint16_t aUnitType) {
+  return aUnitType > SVG_ANGLETYPE_UNKNOWN && aUnitType <= SVG_ANGLETYPE_GRAD;
+}
+
+/* static */
+bool SVGAnimatedOrient::GetValueFromString(const nsAString& aString,
+                                           float& aValue, uint16_t* aUnitType) {
+  bool success;
+  auto token = SVGContentUtils::GetAndEnsureOneToken(aString, success);
+
+  if (!success) {
+    return false;
+  }
+
+  RangedPtr<const char16_t> iter = SVGContentUtils::GetStartRangedPtr(token);
+  const RangedPtr<const char16_t> end = SVGContentUtils::GetEndRangedPtr(token);
+
+  if (!SVGContentUtils::ParseNumber(iter, end, aValue)) {
+    return false;
+  }
+
+  const nsAString& units = Substring(iter.get(), end.get());
+  *aUnitType = GetAngleUnitTypeForString(units);
+  return *aUnitType != SVG_ANGLETYPE_UNKNOWN;
+}
+
+/* static */
+float SVGAnimatedOrient::GetDegreesPerUnit(uint8_t aUnit) {
+  switch (aUnit) {
+    case SVG_ANGLETYPE_UNSPECIFIED:
+    case SVG_ANGLETYPE_DEG:
+      return 1;
+    case SVG_ANGLETYPE_RAD:
+      return static_cast<float>(180.0 / M_PI);
+    case SVG_ANGLETYPE_GRAD:
+      return 90.0f / 100.0f;
+    case SVG_ANGLETYPE_TURN:
+      return 360.0f;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Unknown unit type");
+      return 0;
+  }
+}
+
+void SVGAnimatedOrient::SetBaseValueInSpecifiedUnits(float aValue,
+                                                     SVGElement* aSVGElement) {
+  if (mBaseVal == aValue && mBaseType == SVG_MARKER_ORIENT_ANGLE) {
+    return;
+  }
+
+  AutoChangeOrientNotifier notifier(this, aSVGElement);
+
+  mBaseVal = aValue;
+  mBaseType = SVG_MARKER_ORIENT_ANGLE;
+  if (!mIsAnimated) {
+    mAnimVal = mBaseVal;
+    mAnimType = mBaseType;
+  }
+}
+
+nsresult SVGAnimatedOrient::ConvertToSpecifiedUnits(uint16_t unitType,
+                                                    SVGElement* aSVGElement) {
+  if (!IsValidUnitType(unitType)) {
+    return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+  }
+
+  if (mBaseValUnit == uint8_t(unitType) &&
+      mBaseType == SVG_MARKER_ORIENT_ANGLE) {
+    return NS_OK;
+  }
+
+  float valueInUserUnits = mBaseVal * GetDegreesPerUnit(mBaseValUnit);
+  SetBaseValue(valueInUserUnits, unitType, aSVGElement, true);
+
+  return NS_OK;
+}
+
+nsresult SVGAnimatedOrient::NewValueSpecifiedUnits(uint16_t aUnitType,
+                                                   float aValueInSpecifiedUnits,
+                                                   SVGElement* aSVGElement) {
+  NS_ENSURE_FINITE(aValueInSpecifiedUnits, NS_ERROR_ILLEGAL_VALUE);
+
+  if (!IsValidUnitType(aUnitType)) {
+    return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+  }
+
+  if (mBaseVal == aValueInSpecifiedUnits &&
+      mBaseValUnit == uint8_t(aUnitType) &&
+      mBaseType == SVG_MARKER_ORIENT_ANGLE)
+    return NS_OK;
+
+  AutoChangeOrientNotifier notifier(this, aSVGElement);
+
+  mBaseVal = aValueInSpecifiedUnits;
+  mBaseValUnit = uint8_t(aUnitType);
+  mBaseType = SVG_MARKER_ORIENT_ANGLE;
+  if (!mIsAnimated) {
+    mAnimVal = mBaseVal;
+    mAnimValUnit = mBaseValUnit;
+    mAnimType = mBaseType;
+  }
+  return NS_OK;
+}
+
+already_AddRefed<DOMSVGAngle> SVGAnimatedOrient::ToDOMBaseVal(
+    SVGElement* aSVGElement) {
+  RefPtr<DOMSVGAngle> domBaseVal = sBaseSVGAngleTearoffTable.GetTearoff(this);
+  if (!domBaseVal) {
+    domBaseVal =
+        new DOMSVGAngle(this, aSVGElement, DOMSVGAngle::AngleType::BaseValue);
+    sBaseSVGAngleTearoffTable.AddTearoff(this, domBaseVal);
+  }
+
+  return domBaseVal.forget();
+}
+
+already_AddRefed<DOMSVGAngle> SVGAnimatedOrient::ToDOMAnimVal(
+    SVGElement* aSVGElement) {
+  RefPtr<DOMSVGAngle> domAnimVal = sAnimSVGAngleTearoffTable.GetTearoff(this);
+  if (!domAnimVal) {
+    domAnimVal =
+        new DOMSVGAngle(this, aSVGElement, DOMSVGAngle::AngleType::AnimValue);
+    sAnimSVGAngleTearoffTable.AddTearoff(this, domAnimVal);
+  }
+
+  return domAnimVal.forget();
+}
+
+DOMSVGAngle::~DOMSVGAngle() {
+  switch (mType) {
+    case AngleType::BaseValue:
+      sBaseSVGAngleTearoffTable.RemoveTearoff(mVal);
+      break;
+    case AngleType::AnimValue:
+      sAnimSVGAngleTearoffTable.RemoveTearoff(mVal);
+      break;
+    default:
+      delete mVal;
+  }
+}
+
+/* Implementation */
+
+nsresult SVGAnimatedOrient::SetBaseValueString(const nsAString& aValueAsString,
+                                               SVGElement* aSVGElement,
+                                               bool aDoSetAttr) {
+  uint8_t type;
+  float value;
+  uint16_t unitType;
+  bool valueChanged = false;
+
+  if (aValueAsString.EqualsLiteral("auto")) {
+    type = SVG_MARKER_ORIENT_AUTO;
+    if (type == mBaseType) {
+      return NS_OK;
+    }
+  } else if (aValueAsString.EqualsLiteral("auto-start-reverse")) {
+    type = SVG_MARKER_ORIENT_AUTO_START_REVERSE;
+    if (type == mBaseType) {
+      return NS_OK;
+    }
+  } else {
+    if (!GetValueFromString(aValueAsString, value, &unitType)) {
+      return NS_ERROR_DOM_SYNTAX_ERR;
+    }
+    if (mBaseVal == value && mBaseValUnit == uint8_t(unitType) &&
+        mBaseType == SVG_MARKER_ORIENT_ANGLE) {
+      return NS_OK;
+    }
+    valueChanged = true;
+  }
+
+  AutoChangeOrientNotifier notifier(this, aSVGElement, aDoSetAttr);
+
+  if (valueChanged) {
+    mBaseVal = value;
+    mBaseValUnit = uint8_t(unitType);
+    mBaseType = SVG_MARKER_ORIENT_ANGLE;
+  } else {
+    mBaseVal = .0f;
+    mBaseValUnit = SVG_ANGLETYPE_UNSPECIFIED;
+    mBaseType = type;
+  }
+
+  if (!mIsAnimated) {
+    mAnimVal = mBaseVal;
+    mAnimValUnit = mBaseValUnit;
+    mAnimType = mBaseType;
+  }
+
+  return NS_OK;
+}
+
+void SVGAnimatedOrient::GetBaseValueString(nsAString& aValueAsString) const {
+  switch (mBaseType) {
+    case SVG_MARKER_ORIENT_AUTO:
+      aValueAsString.AssignLiteral("auto");
+      return;
+    case SVG_MARKER_ORIENT_AUTO_START_REVERSE:
+      aValueAsString.AssignLiteral("auto-start-reverse");
+      return;
+  }
+  GetAngleValueString(aValueAsString, mBaseVal, mBaseValUnit);
+}
+
+void SVGAnimatedOrient::GetBaseAngleValueString(
+    nsAString& aValueAsString) const {
+  GetAngleValueString(aValueAsString, mBaseVal, mBaseValUnit);
+}
+
+void SVGAnimatedOrient::GetAnimAngleValueString(
+    nsAString& aValueAsString) const {
+  GetAngleValueString(aValueAsString, mAnimVal, mAnimValUnit);
+}
+
+void SVGAnimatedOrient::SetBaseValue(float aValue, uint8_t aUnit,
+                                     SVGElement* aSVGElement, bool aDoSetAttr) {
+  float valueInSpecifiedUnits = aValue / GetDegreesPerUnit(aUnit);
+  if (aUnit == mBaseValUnit && mBaseVal == valueInSpecifiedUnits &&
+      mBaseType == SVG_MARKER_ORIENT_ANGLE) {
+    return;
+  }
+
+  AutoChangeOrientNotifier notifier(this, aSVGElement, aDoSetAttr);
+
+  mBaseValUnit = aUnit;
+  mBaseVal = valueInSpecifiedUnits;
+  mBaseType = SVG_MARKER_ORIENT_ANGLE;
+  if (!mIsAnimated) {
+    mAnimValUnit = mBaseValUnit;
+    mAnimVal = mBaseVal;
+    mAnimType = mBaseType;
+  }
+}
+
+void SVGAnimatedOrient::SetBaseType(SVGEnumValue aValue,
+                                    SVGElement* aSVGElement, ErrorResult& aRv) {
+  if (mBaseType == aValue) {
+    return;
+  }
+  if (aValue >= SVG_MARKER_ORIENT_AUTO &&
+      aValue <= SVG_MARKER_ORIENT_AUTO_START_REVERSE) {
+    AutoChangeOrientNotifier notifier(this, aSVGElement);
+
+    mBaseVal = .0f;
+    mBaseValUnit = SVG_ANGLETYPE_UNSPECIFIED;
+    mBaseType = aValue;
+    if (!mIsAnimated) {
+      mAnimVal = mBaseVal;
+      mAnimValUnit = mBaseValUnit;
+      mAnimType = mBaseType;
+    }
+    return;
+  }
+  nsPrintfCString err("Invalid base value %u for marker orient", aValue);
+  aRv.ThrowTypeError(err);
+}
+
+void SVGAnimatedOrient::SetAnimValue(float aValue, uint8_t aUnit,
+                                     SVGElement* aSVGElement) {
+  if (mIsAnimated && mAnimVal == aValue && mAnimValUnit == aUnit &&
+      mAnimType == SVG_MARKER_ORIENT_ANGLE) {
+    return;
+  }
+  mAnimVal = aValue;
+  mAnimValUnit = aUnit;
+  mAnimType = SVG_MARKER_ORIENT_ANGLE;
+  mIsAnimated = true;
+  aSVGElement->DidAnimateOrient();
+}
+
+void SVGAnimatedOrient::SetAnimType(SVGEnumValue aValue,
+                                    SVGElement* aSVGElement) {
+  if (mIsAnimated && mAnimType == aValue) {
+    return;
+  }
+  mAnimVal = .0f;
+  mAnimValUnit = SVG_ANGLETYPE_UNSPECIFIED;
+  mAnimType = aValue;
+  mIsAnimated = true;
+  aSVGElement->DidAnimateOrient();
+}
+
+already_AddRefed<DOMSVGAnimatedAngle> SVGAnimatedOrient::ToDOMAnimatedAngle(
+    SVGElement* aSVGElement) {
+  RefPtr<DOMSVGAnimatedAngle> domAnimatedAngle =
+      sSVGAnimatedAngleTearoffTable.GetTearoff(this);
+  if (!domAnimatedAngle) {
+    domAnimatedAngle = new DOMSVGAnimatedAngle(this, aSVGElement);
+    sSVGAnimatedAngleTearoffTable.AddTearoff(this, domAnimatedAngle);
+  }
+
+  return domAnimatedAngle.forget();
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration>
+SVGAnimatedOrient::ToDOMAnimatedEnum(SVGElement* aSVGElement) {
+  RefPtr<DOMSVGAnimatedEnumeration> domAnimatedEnum =
+      sSVGAnimatedEnumTearoffTable.GetTearoff(this);
+  if (!domAnimatedEnum) {
+    domAnimatedEnum = new DOMAnimatedEnum(this, aSVGElement);
+    sSVGAnimatedEnumTearoffTable.AddTearoff(this, domAnimatedEnum);
+  }
+
+  return domAnimatedEnum.forget();
+}
+
+DOMSVGAnimatedAngle::~DOMSVGAnimatedAngle() {
+  sSVGAnimatedAngleTearoffTable.RemoveTearoff(mVal);
+}
+
+SVGAnimatedOrient::DOMAnimatedEnum::~DOMAnimatedEnum() {
+  sSVGAnimatedEnumTearoffTable.RemoveTearoff(mVal);
+}
+
+UniquePtr<SMILAttr> SVGAnimatedOrient::ToSMILAttr(SVGElement* aSVGElement) {
+  if (aSVGElement->IsSVGElement(nsGkAtoms::marker)) {
+    return MakeUnique<SMILOrient>(this, aSVGElement);
+  }
+  // SMILOrient would not be useful for general angle attributes (also,
+  // "orient" is the only animatable <angle>-valued attribute in SVG 1.1).
+  MOZ_ASSERT_UNREACHABLE("Trying to animate unknown angle attribute.");
+  return nullptr;
+}
+
+nsresult SVGAnimatedOrient::SMILOrient::ValueFromString(
+    const nsAString& aStr, const SVGAnimationElement* /*aSrcElement*/,
+    SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
+  SMILValue val(&SVGOrientSMILType::sSingleton);
+  if (aStr.EqualsLiteral("auto")) {
+    val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_AUTO;
+    val.mU.mOrient.mAngle = .0f;
+    val.mU.mOrient.mUnit = SVG_ANGLETYPE_UNSPECIFIED;
+  } else if (aStr.EqualsLiteral("auto-start-reverse")) {
+    val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_AUTO_START_REVERSE;
+    val.mU.mOrient.mAngle = .0f;
+    val.mU.mOrient.mUnit = SVG_ANGLETYPE_UNSPECIFIED;
+  } else {
+    float value;
+    uint16_t unitType;
+    if (!GetValueFromString(aStr, value, &unitType)) {
+      return NS_ERROR_DOM_SYNTAX_ERR;
+    }
+    val.mU.mOrient.mAngle = value;
+    val.mU.mOrient.mUnit = unitType;
+    val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_ANGLE;
+  }
+  aValue = std::move(val);
+
+  return NS_OK;
+}
+
+SMILValue SVGAnimatedOrient::SMILOrient::GetBaseValue() const {
+  SMILValue val(&SVGOrientSMILType::sSingleton);
+  val.mU.mOrient.mAngle = mOrient->GetBaseValInSpecifiedUnits();
+  val.mU.mOrient.mUnit = mOrient->GetBaseValueUnit();
+  val.mU.mOrient.mOrientType = mOrient->mBaseType;
+  return val;
+}
+
+void SVGAnimatedOrient::SMILOrient::ClearAnimValue() {
+  if (mOrient->mIsAnimated) {
+    mOrient->mIsAnimated = false;
+    mOrient->mAnimVal = mOrient->mBaseVal;
+    mOrient->mAnimValUnit = mOrient->mBaseValUnit;
+    mOrient->mAnimType = mOrient->mBaseType;
+    mSVGElement->DidAnimateOrient();
+  }
+}
+
+nsresult SVGAnimatedOrient::SMILOrient::SetAnimValue(const SMILValue& aValue) {
+  NS_ASSERTION(aValue.mType == &SVGOrientSMILType::sSingleton,
+               "Unexpected type to assign animated value");
+
+  if (aValue.mType == &SVGOrientSMILType::sSingleton) {
+    if (aValue.mU.mOrient.mOrientType == SVG_MARKER_ORIENT_AUTO ||
+        aValue.mU.mOrient.mOrientType == SVG_MARKER_ORIENT_AUTO_START_REVERSE) {
+      mOrient->SetAnimType(aValue.mU.mOrient.mOrientType, mSVGElement);
+    } else {
+      mOrient->SetAnimValue(aValue.mU.mOrient.mAngle, aValue.mU.mOrient.mUnit,
+                            mSVGElement);
+    }
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla