1 files changed, 73 insertions, 0 deletions
diff --git a/dom/media/webvtt/TextTrackCueList.h b/dom/media/webvtt/TextTrackCueList.h
new file mode 100644
index 0000000000..f590f94d8c
--- /dev/null
+++ b/dom/media/webvtt/TextTrackCueList.h
@@ -0,0 +1,73 @@
+/* -*- 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_TextTrackCueList_h
+#define mozilla_dom_TextTrackCueList_h
+
+#include "nsTArray.h"
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class TextTrackCue;
+
+class TextTrackCueList final : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(TextTrackCueList)
+
+  // TextTrackCueList WebIDL
+  explicit TextTrackCueList(nsISupports* aParent);
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  nsISupports* GetParentObject() const { return mParent; }
+
+  uint32_t Length() const { return mList.Length(); }
+
+  bool IsEmpty() const { return mList.Length() == 0; }
+
+  TextTrackCue* IndexedGetter(uint32_t aIndex, bool& aFound);
+  TextTrackCue* operator[](uint32_t aIndex);
+  TextTrackCue* GetCueById(const nsAString& aId);
+  TextTrackCueList& operator=(const TextTrackCueList& aOther);
+  // Adds a cue to mList by performing an insertion sort on mList.
+  // We expect most files to already be sorted, so an insertion sort starting
+  // from the end of the current array should be more efficient than a general
+  // sort step after all cues are loaded.
+  void AddCue(TextTrackCue& aCue);
+  void RemoveCue(TextTrackCue& aCue);
+  void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
+  void RemoveCueAt(uint32_t aIndex);
+  void RemoveAll();
+  void GetArray(nsTArray<RefPtr<TextTrackCue>>& aCues);
+
+  void SetCuesInactive();
+
+  void NotifyCueUpdated(TextTrackCue* aCue);
+  bool IsCueExist(TextTrackCue* aCue);
+  nsTArray<RefPtr<TextTrackCue>>& GetCuesArray();
+
+ private:
+  ~TextTrackCueList();
+
+  nsCOMPtr<nsISupports> mParent;
+
+  // A sorted list of TextTrackCues sorted by earliest start time. If the start
+  // times are equal then it will be sorted by end time, earliest first.
+  nsTArray<RefPtr<TextTrackCue>> mList;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_TextTrackCueList_h