1 files changed, 79 insertions, 0 deletions
diff --git a/dom/media/webvtt/TextTrackList.h b/dom/media/webvtt/TextTrackList.h
new file mode 100644
index 0000000000..712e3ae9c4
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+++ b/dom/media/webvtt/TextTrackList.h
@@ -0,0 +1,79 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_TextTrackList_h
+#define mozilla_dom_TextTrackList_h
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/TextTrack.h"
+#include "nsCycleCollectionParticipant.h"
+
+namespace mozilla::dom {
+
+class Event;
+class HTMLMediaElement;
+class TextTrackManager;
+class CompareTextTracks;
+class TrackEvent;
+class TrackEventRunner;
+
+class TextTrackList final : public DOMEventTargetHelper {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrackList, DOMEventTargetHelper)
+
+  explicit TextTrackList(nsPIDOMWindowInner* aOwnerWindow);
+  TextTrackList(nsPIDOMWindowInner* aOwnerWindow,
+                TextTrackManager* aTextTrackManager);
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  uint32_t Length() const { return mTextTracks.Length(); }
+
+  // Get all the current active cues.
+  void GetShowingCues(nsTArray<RefPtr<TextTrackCue>>& aCues);
+
+  TextTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
+  TextTrack* operator[](uint32_t aIndex);
+
+  already_AddRefed<TextTrack> AddTextTrack(
+      TextTrackKind aKind, const nsAString& aLabel, const nsAString& aLanguage,
+      TextTrackMode aMode, TextTrackReadyState aReadyState,
+      TextTrackSource aTextTrackSource, const CompareTextTracks& aCompareTT);
+  TextTrack* GetTrackById(const nsAString& aId);
+
+  void AddTextTrack(TextTrack* aTextTrack, const CompareTextTracks& aCompareTT);
+
+  void RemoveTextTrack(TextTrack* aTrack);
+
+  HTMLMediaElement* GetMediaElement();
+  void SetTextTrackManager(TextTrackManager* aTextTrackManager);
+
+  nsresult DispatchTrackEvent(Event* aEvent);
+  void CreateAndDispatchChangeEvent();
+  void SetCuesInactive();
+
+  bool AreTextTracksLoaded();
+  nsTArray<RefPtr<TextTrack>>& GetTextTrackArray();
+
+  IMPL_EVENT_HANDLER(change)
+  IMPL_EVENT_HANDLER(addtrack)
+  IMPL_EVENT_HANDLER(removetrack)
+
+ private:
+  ~TextTrackList();
+
+  nsTArray<RefPtr<TextTrack>> mTextTracks;
+  RefPtr<TextTrackManager> mTextTrackManager;
+
+  void CreateAndDispatchTrackEventRunner(TextTrack* aTrack,
+                                         const nsAString& aEventName);
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_TextTrackList_h