1 files changed, 52 insertions, 0 deletions
diff --git a/dom/script/ScriptElement.h b/dom/script/ScriptElement.h
new file mode 100644
index 0000000000..241ae67eb4
--- /dev/null
+++ b/dom/script/ScriptElement.h
@@ -0,0 +1,52 @@
+/* -*- 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_ScriptElement_h
+#define mozilla_dom_ScriptElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsIScriptLoaderObserver.h"
+#include "nsIScriptElement.h"
+#include "nsStubMutationObserver.h"
+
+namespace mozilla::dom {
+
+/**
+ * Baseclass useful for script elements (such as <xhtml:script> and
+ * <svg:script>). Currently the class assumes that only the 'src'
+ * attribute and the children of the class affect what script to execute.
+ */
+
+class ScriptElement : public nsIScriptElement, public nsStubMutationObserver {
+ public:
+  // nsIScriptLoaderObserver
+  NS_DECL_NSISCRIPTLOADEROBSERVER
+
+  // nsIMutationObserver
+  NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
+  NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+  NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
+  NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
+
+  explicit ScriptElement(FromParser aFromParser)
+      : nsIScriptElement(aFromParser) {}
+
+  virtual nsresult FireErrorEvent() override;
+
+ protected:
+  // Internal methods
+
+  /**
+   * Check if this element contains any script, linked or inline
+   */
+  virtual bool HasScriptContent() = 0;
+
+  virtual bool MaybeProcessScript() override;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_ScriptElement_h