1 files changed, 58 insertions, 0 deletions
diff --git a/dom/events/CompositionEvent.h b/dom/events/CompositionEvent.h
new file mode 100644
index 0000000000..400829104a
--- /dev/null
+++ b/dom/events/CompositionEvent.h
@@ -0,0 +1,58 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_CompositionEvent_h_
+#define mozilla_dom_CompositionEvent_h_
+
+#include "mozilla/dom/CompositionEventBinding.h"
+#include "mozilla/dom/TextClause.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/dom/UIEvent.h"
+#include "mozilla/EventForwards.h"
+
+namespace mozilla::dom {
+
+using TextClauseArray = nsTArray<RefPtr<TextClause>>;
+
+class CompositionEvent : public UIEvent {
+ public:
+  CompositionEvent(EventTarget* aOwner, nsPresContext* aPresContext,
+                   WidgetCompositionEvent* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CompositionEvent, UIEvent)
+
+  static already_AddRefed<CompositionEvent> Constructor(
+      const GlobalObject& aGlobal, const nsAString& aType,
+      const CompositionEventInit& aParam);
+
+  virtual JSObject* WrapObjectInternal(
+      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
+    return CompositionEvent_Binding::Wrap(aCx, this, aGivenProto);
+  }
+
+  void InitCompositionEvent(const nsAString& aType, bool aCanBubble,
+                            bool aCancelable, nsGlobalWindowInner* aView,
+                            const nsAString& aData, const nsAString& aLocale);
+  void GetData(nsAString&) const;
+  void GetLocale(nsAString&) const;
+  void GetRanges(TextClauseArray& aRanges);
+
+ protected:
+  ~CompositionEvent() = default;
+
+  nsString mData;
+  nsString mLocale;
+  TextClauseArray mRanges;
+};
+
+}  // namespace mozilla::dom
+
+already_AddRefed<mozilla::dom::CompositionEvent> NS_NewDOMCompositionEvent(
+    mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
+    mozilla::WidgetCompositionEvent* aEvent);
+
+#endif  // mozilla_dom_CompositionEvent_h_