1 files changed, 51 insertions, 0 deletions
diff --git a/dom/media/MediaContainerType.h b/dom/media/MediaContainerType.h
new file mode 100644
index 0000000000..3b4d50f0be
--- /dev/null
+++ b/dom/media/MediaContainerType.h
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 MediaContainerType_h_
+#define MediaContainerType_h_
+
+#include "MediaMIMETypes.h"
+#include "mozilla/Maybe.h"
+#include "nsString.h"
+
+namespace mozilla {
+
+// Class containing media type information for containers.
+class MediaContainerType {
+ public:
+  explicit MediaContainerType(const MediaMIMEType& aType)
+      : mExtendedMIMEType(aType) {}
+  explicit MediaContainerType(MediaMIMEType&& aType)
+      : mExtendedMIMEType(std::move(aType)) {}
+  explicit MediaContainerType(const MediaExtendedMIMEType& aType)
+      : mExtendedMIMEType(aType) {}
+  explicit MediaContainerType(MediaExtendedMIMEType&& aType)
+      : mExtendedMIMEType(std::move(aType)) {}
+
+  const MediaMIMEType& Type() const { return mExtendedMIMEType.Type(); }
+  const MediaExtendedMIMEType& ExtendedType() const {
+    return mExtendedMIMEType;
+  }
+
+  // Original string. Note that "type/subtype" may not be lowercase,
+  // use Type().AsString() instead to get the normalized "type/subtype".
+  const nsCString& OriginalString() const {
+    return mExtendedMIMEType.OriginalString();
+  }
+
+  size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  MediaExtendedMIMEType mExtendedMIMEType;
+};
+
+Maybe<MediaContainerType> MakeMediaContainerType(const nsAString& aType);
+Maybe<MediaContainerType> MakeMediaContainerType(const nsACString& aType);
+Maybe<MediaContainerType> MakeMediaContainerType(const char* aType);
+
+}  // namespace mozilla
+
+#endif  // MediaContainerType_h_