Add m-esr52 at 52.6.0

1 files changed, 150 insertions, 0 deletions

diff --git a/dom/svg/SVGOrientSMILType.cpp b/dom/svg/SVGOrientSMILType.cpp
new file mode 100644
index 000000000..8e69ef132
--- /dev/null
+++ b/dom/svg/SVGOrientSMILType.cpp
@@ -0,0 +1,150 @@
+/* -*- 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 "SVGOrientSMILType.h"
+#include "nsSMILValue.h"
+#include "nsSVGAngle.h"
+#include "nsDebug.h"
+#include "mozilla/dom/SVGMarkerElement.h"
+#include <math.h>
+
+namespace mozilla {
+
+/*static*/ SVGOrientSMILType SVGOrientSMILType::sSingleton;
+
+void
+SVGOrientSMILType::Init(nsSMILValue& aValue) const
+{
+  MOZ_ASSERT(aValue.IsNull(), "Unexpected value type");
+
+  aValue.mU.mOrient.mAngle = 0.0f;
+  aValue.mU.mOrient.mUnit = SVG_ANGLETYPE_UNSPECIFIED;
+  aValue.mU.mOrient.mOrientType = dom::SVG_MARKER_ORIENT_ANGLE;
+  aValue.mType = this;
+}
+
+void
+SVGOrientSMILType::Destroy(nsSMILValue& aValue) const
+{
+  NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value.");
+  aValue.mU.mPtr = nullptr;
+  aValue.mType = nsSMILNullType::Singleton();
+}
+
+nsresult
+SVGOrientSMILType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
+{
+  NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types.");
+  NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value.");
+
+  aDest.mU.mOrient.mAngle = aSrc.mU.mOrient.mAngle;
+  aDest.mU.mOrient.mUnit = aSrc.mU.mOrient.mUnit;
+  aDest.mU.mOrient.mOrientType = aSrc.mU.mOrient.mOrientType;
+  return NS_OK;
+}
+
+bool
+SVGOrientSMILType::IsEqual(const nsSMILValue& aLeft,
+                           const nsSMILValue& aRight) const
+{
+  NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
+  NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
+
+  return
+    aLeft.mU.mOrient.mAngle == aRight.mU.mOrient.mAngle &&
+    aLeft.mU.mOrient.mUnit == aRight.mU.mOrient.mUnit &&
+    aLeft.mU.mOrient.mOrientType == aRight.mU.mOrient.mOrientType;
+}
+
+nsresult
+SVGOrientSMILType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
+                       uint32_t aCount) const
+{
+  NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
+                  "Trying to add invalid types");
+  NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
+
+  if (aDest.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE ||
+      aValueToAdd.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE) {
+    // TODO: it would be nice to be able to add to auto angles
+    return NS_ERROR_FAILURE;
+  }
+
+  // We may be dealing with two different angle units, so we normalize to
+  // degrees for the add:
+  float currentAngle = aDest.mU.mOrient.mAngle *
+                       nsSVGAngle::GetDegreesPerUnit(aDest.mU.mOrient.mUnit);
+  float angleToAdd = aValueToAdd.mU.mOrient.mAngle *
+                     nsSVGAngle::GetDegreesPerUnit(aValueToAdd.mU.mOrient.mUnit) *
+                     aCount;
+
+  // And then we give the resulting animated value the same units as the value
+  // that we're animating to/by (i.e. the same as aValueToAdd):
+  aDest.mU.mOrient.mAngle = (currentAngle + angleToAdd) /
+                    nsSVGAngle::GetDegreesPerUnit(aValueToAdd.mU.mOrient.mUnit);
+  aDest.mU.mOrient.mUnit = aValueToAdd.mU.mOrient.mUnit;
+
+  return NS_OK;
+}
+
+nsresult
+SVGOrientSMILType::ComputeDistance(const nsSMILValue& aFrom,
+                                   const nsSMILValue& aTo,
+                                   double& aDistance) const
+{
+  NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
+  NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
+
+  if (aFrom.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE ||
+      aTo.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE) {
+    // TODO: it would be nice to be able to compute distance with auto angles
+    return NS_ERROR_FAILURE;
+  }
+
+  // Normalize both to degrees in case they're different angle units:
+  double from = aFrom.mU.mOrient.mAngle *
+                  nsSVGAngle::GetDegreesPerUnit(aFrom.mU.mOrient.mUnit);
+  double to   = aTo.mU.mOrient.mAngle *
+                  nsSVGAngle::GetDegreesPerUnit(aTo.mU.mOrient.mUnit);
+
+  aDistance = fabs(to - from);
+
+  return NS_OK;
+}
+
+nsresult
+SVGOrientSMILType::Interpolate(const nsSMILValue& aStartVal,
+                               const nsSMILValue& aEndVal,
+                               double aUnitDistance,
+                               nsSMILValue& aResult) const
+{
+  NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
+                  "Trying to interpolate different types");
+  NS_PRECONDITION(aStartVal.mType == this,
+                  "Unexpected types for interpolation.");
+  NS_PRECONDITION(aResult.mType   == this, "Unexpected result type.");
+
+  if (aStartVal.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE ||
+      aEndVal.mU.mOrient.mOrientType != dom::SVG_MARKER_ORIENT_ANGLE) {
+    // TODO: it would be nice to be able to handle auto angles too.
+    return NS_ERROR_FAILURE;
+  }
+
+  float start  = aStartVal.mU.mOrient.mAngle *
+                   nsSVGAngle::GetDegreesPerUnit(aStartVal.mU.mOrient.mUnit);
+  float end    = aEndVal.mU.mOrient.mAngle *
+                   nsSVGAngle::GetDegreesPerUnit(aEndVal.mU.mOrient.mUnit);
+  float result = (start + (end - start) * aUnitDistance);
+
+  // Again, we use the unit of the to/by value for the result:
+  aResult.mU.mOrient.mAngle = result /
+    nsSVGAngle::GetDegreesPerUnit(aEndVal.mU.mOrient.mUnit);
+  aResult.mU.mOrient.mUnit = aEndVal.mU.mOrient.mUnit;
+
+  return NS_OK;
+}
+
+} // namespace mozilla