1 files changed, 58 insertions, 0 deletions
diff --git a/dom/media/webvtt/TextTrackRegion.cpp b/dom/media/webvtt/TextTrackRegion.cpp
new file mode 100644
index 0000000000..d883659579
--- /dev/null
+++ b/dom/media/webvtt/TextTrackRegion.cpp
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 et tw=78: */
+/* 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/TextTrackRegion.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TextTrackRegion, mParent)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackRegion)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackRegion)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackRegion)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+JSObject* TextTrackRegion::WrapObject(JSContext* aCx,
+                                      JS::Handle<JSObject*> aGivenProto) {
+  return VTTRegion_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+already_AddRefed<TextTrackRegion> TextTrackRegion::Constructor(
+    const GlobalObject& aGlobal, ErrorResult& aRv) {
+  nsCOMPtr<nsPIDOMWindowInner> window =
+      do_QueryInterface(aGlobal.GetAsSupports());
+  if (!window) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  RefPtr<TextTrackRegion> region = new TextTrackRegion(aGlobal.GetAsSupports());
+  return region.forget();
+}
+
+TextTrackRegion::TextTrackRegion(nsISupports* aGlobal)
+    : mParent(aGlobal),
+      mWidth(100),
+      mLines(3),
+      mRegionAnchorX(0),
+      mRegionAnchorY(100),
+      mViewportAnchorX(0),
+      mViewportAnchorY(100),
+      mScroll(ScrollSetting::_empty) {}
+
+void TextTrackRegion::CopyValues(TextTrackRegion& aRegion) {
+  mId = aRegion.Id();
+  mWidth = aRegion.Width();
+  mLines = aRegion.Lines();
+  mRegionAnchorX = aRegion.RegionAnchorX();
+  mRegionAnchorY = aRegion.RegionAnchorY();
+  mViewportAnchorX = aRegion.ViewportAnchorX();
+  mViewportAnchorY = aRegion.ViewportAnchorY();
+  mScroll = aRegion.Scroll();
+}
+
+}  // namespace mozilla::dom