Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 57 insertions, 0 deletions

diff --git a/dom/smil/SMILNullType.cpp b/dom/smil/SMILNullType.cpp
new file mode 100644
index 0000000000..571f6f3afe
--- /dev/null
+++ b/dom/smil/SMILNullType.cpp
@@ -0,0 +1,57 @@
+/* -*- 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 "SMILNullType.h"
+
+#include "mozilla/SMILValue.h"
+#include "nsDebug.h"
+
+namespace mozilla {
+
+/*static*/
+SMILNullType* SMILNullType::Singleton() {
+  static SMILNullType sSingleton;
+  return &sSingleton;
+}
+
+nsresult SMILNullType::Assign(SMILValue& aDest, const SMILValue& aSrc) const {
+  MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types");
+  MOZ_ASSERT(aSrc.mType == this, "Unexpected source type");
+  aDest.mU = aSrc.mU;
+  aDest.mType = Singleton();
+  return NS_OK;
+}
+
+bool SMILNullType::IsEqual(const SMILValue& aLeft,
+                           const SMILValue& aRight) const {
+  MOZ_ASSERT(aLeft.mType == aRight.mType, "Incompatible SMIL types");
+  MOZ_ASSERT(aLeft.mType == this, "Unexpected type for SMIL value");
+
+  return true;  // All null-typed values are equivalent.
+}
+
+nsresult SMILNullType::Add(SMILValue& aDest, const SMILValue& aValueToAdd,
+                           uint32_t aCount) const {
+  MOZ_ASSERT_UNREACHABLE("Adding NULL type");
+  return NS_ERROR_FAILURE;
+}
+
+nsresult SMILNullType::ComputeDistance(const SMILValue& aFrom,
+                                       const SMILValue& aTo,
+                                       double& aDistance) const {
+  MOZ_ASSERT_UNREACHABLE("Computing distance for NULL type");
+  return NS_ERROR_FAILURE;
+}
+
+nsresult SMILNullType::Interpolate(const SMILValue& aStartVal,
+                                   const SMILValue& aEndVal,
+                                   double aUnitDistance,
+                                   SMILValue& aResult) const {
+  MOZ_ASSERT_UNREACHABLE("Interpolating NULL type");
+  return NS_ERROR_FAILURE;
+}
+
+}  // namespace mozilla