1 files changed, 123 insertions, 0 deletions
diff --git a/dom/base/StaticRange.cpp b/dom/base/StaticRange.cpp
new file mode 100644
index 0000000000..23b128c970
--- /dev/null
+++ b/dom/base/StaticRange.cpp
@@ -0,0 +1,123 @@
+/* -*- 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 "mozilla/dom/StaticRange.h"
+#include "mozilla/dom/StaticRangeBinding.h"
+#include "nsINode.h"
+
+namespace mozilla::dom {
+
+template already_AddRefed<StaticRange> StaticRange::Create(
+    const RangeBoundary& aStartBoundary, const RangeBoundary& aEndBoundary,
+    ErrorResult& aRv);
+template already_AddRefed<StaticRange> StaticRange::Create(
+    const RangeBoundary& aStartBoundary, const RawRangeBoundary& aEndBoundary,
+    ErrorResult& aRv);
+template already_AddRefed<StaticRange> StaticRange::Create(
+    const RawRangeBoundary& aStartBoundary, const RangeBoundary& aEndBoundary,
+    ErrorResult& aRv);
+template already_AddRefed<StaticRange> StaticRange::Create(
+    const RawRangeBoundary& aStartBoundary,
+    const RawRangeBoundary& aEndBoundary, ErrorResult& aRv);
+template nsresult StaticRange::SetStartAndEnd(
+    const RangeBoundary& aStartBoundary, const RangeBoundary& aEndBoundary);
+template nsresult StaticRange::SetStartAndEnd(
+    const RangeBoundary& aStartBoundary, const RawRangeBoundary& aEndBoundary);
+template nsresult StaticRange::SetStartAndEnd(
+    const RawRangeBoundary& aStartBoundary, const RangeBoundary& aEndBoundary);
+template nsresult StaticRange::SetStartAndEnd(
+    const RawRangeBoundary& aStartBoundary,
+    const RawRangeBoundary& aEndBoundary);
+template void StaticRange::DoSetRange(const RangeBoundary& aStartBoundary,
+                                      const RangeBoundary& aEndBoundary,
+                                      nsINode* aRootNode);
+template void StaticRange::DoSetRange(const RangeBoundary& aStartBoundary,
+                                      const RawRangeBoundary& aEndBoundary,
+                                      nsINode* aRootNode);
+template void StaticRange::DoSetRange(const RawRangeBoundary& aStartBoundary,
+                                      const RangeBoundary& aEndBoundary,
+                                      nsINode* aRootNode);
+template void StaticRange::DoSetRange(const RawRangeBoundary& aStartBoundary,
+                                      const RawRangeBoundary& aEndBoundary,
+                                      nsINode* aRootNode);
+
+nsTArray<RefPtr<StaticRange>>* StaticRange::sCachedRanges = nullptr;
+
+NS_IMPL_MAIN_THREAD_ONLY_CYCLE_COLLECTING_ADDREF(StaticRange)
+NS_IMPL_MAIN_THREAD_ONLY_CYCLE_COLLECTING_RELEASE_WITH_INTERRUPTABLE_LAST_RELEASE(
+    StaticRange, DoSetRange(RawRangeBoundary(), RawRangeBoundary(), nullptr),
+    AbstractRange::MaybeCacheToReuse(*this))
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(StaticRange)
+NS_INTERFACE_MAP_END_INHERITING(AbstractRange)
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(StaticRange)
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(StaticRange, AbstractRange)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mStart)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mEnd)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(StaticRange, AbstractRange)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(StaticRange, AbstractRange)
+NS_IMPL_CYCLE_COLLECTION_TRACE_END
+
+// static
+already_AddRefed<StaticRange> StaticRange::Create(nsINode* aNode) {
+  MOZ_ASSERT(aNode);
+  if (!sCachedRanges || sCachedRanges->IsEmpty()) {
+    return do_AddRef(new StaticRange(aNode));
+  }
+  RefPtr<StaticRange> staticRange = sCachedRanges->PopLastElement().forget();
+  staticRange->Init(aNode);
+  return staticRange.forget();
+}
+
+// static
+template <typename SPT, typename SRT, typename EPT, typename ERT>
+already_AddRefed<StaticRange> StaticRange::Create(
+    const RangeBoundaryBase<SPT, SRT>& aStartBoundary,
+    const RangeBoundaryBase<EPT, ERT>& aEndBoundary, ErrorResult& aRv) {
+  RefPtr<StaticRange> staticRange =
+      StaticRange::Create(aStartBoundary.Container());
+  staticRange->DoSetRange(aStartBoundary, aEndBoundary, nullptr);
+
+  return staticRange.forget();
+}
+
+template <typename SPT, typename SRT, typename EPT, typename ERT>
+void StaticRange::DoSetRange(const RangeBoundaryBase<SPT, SRT>& aStartBoundary,
+                             const RangeBoundaryBase<EPT, ERT>& aEndBoundary,
+                             nsINode* aRootNode) {
+  mStart = aStartBoundary;
+  mEnd = aEndBoundary;
+  MOZ_ASSERT(mStart.IsSet() == mEnd.IsSet());
+  mIsPositioned = mStart.IsSet() && mEnd.IsSet();
+}
+
+/* static */
+already_AddRefed<StaticRange> StaticRange::Constructor(
+    const GlobalObject& global, const StaticRangeInit& init, ErrorResult& aRv) {
+  if (init.mStartContainer->NodeType() == nsINode::DOCUMENT_TYPE_NODE ||
+      init.mStartContainer->NodeType() == nsINode::ATTRIBUTE_NODE ||
+      init.mEndContainer->NodeType() == nsINode::DOCUMENT_TYPE_NODE ||
+      init.mEndContainer->NodeType() == nsINode::ATTRIBUTE_NODE) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_NODE_TYPE_ERR);
+    return nullptr;
+  }
+
+  return Create(init.mStartContainer, init.mStartOffset, init.mEndContainer,
+                init.mEndOffset, aRv);
+}
+
+JSObject* StaticRange::WrapObject(JSContext* aCx,
+                                  JS::Handle<JSObject*> aGivenProto) {
+  return StaticRange_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom