1 files changed, 45 insertions, 0 deletions
diff --git a/dom/events/TextClause.cpp b/dom/events/TextClause.cpp
new file mode 100644
index 0000000000..45154d2434
--- /dev/null
+++ b/dom/events/TextClause.cpp
@@ -0,0 +1,45 @@
+/* -*- 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/TextClause.h"
+#include "mozilla/dom/TextClauseBinding.h"
+#include "mozilla/TextEvents.h"
+
+namespace mozilla::dom {
+
+// Only needed for refcounted objects.
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(TextClause)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(TextClause)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(TextClause)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextClause)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+TextClause::TextClause(nsPIDOMWindowInner* aOwner, const TextRange& aRange,
+                       const TextRange* aTargetRange)
+    : mOwner(aOwner), mIsTargetClause(false) {
+  MOZ_ASSERT(aOwner);
+  mStartOffset = aRange.mStartOffset;
+  mEndOffset = aRange.mEndOffset;
+  if (aRange.IsClause()) {
+    mIsCaret = false;
+    if (aTargetRange && aTargetRange->mStartOffset == mStartOffset) {
+      mIsTargetClause = true;
+    }
+  } else {
+    mIsCaret = true;
+  }
+}
+
+JSObject* TextClause::WrapObject(JSContext* aCx,
+                                 JS::Handle<JSObject*> aGivenProto) {
+  return TextClause_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+TextClause::~TextClause() = default;
+
+}  // namespace mozilla::dom