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-rw-r--r--parser/html/nsHtml5AutoPauseUpdate.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/parser/html/nsHtml5AutoPauseUpdate.h b/parser/html/nsHtml5AutoPauseUpdate.h
new file mode 100644
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+++ b/parser/html/nsHtml5AutoPauseUpdate.h
@@ -0,0 +1,29 @@
+/* -*- 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 nsHtml5AutoPauseUpdate_h
+#define nsHtml5AutoPauseUpdate_h
+
+#include "nsHtml5DocumentBuilder.h"
+
+class MOZ_RAII nsHtml5AutoPauseUpdate final {
+ private:
+ RefPtr<nsHtml5DocumentBuilder> mBuilder;
+
+ public:
+ explicit nsHtml5AutoPauseUpdate(nsHtml5DocumentBuilder* aBuilder)
+ : mBuilder(aBuilder) {
+ mBuilder->EndDocUpdate();
+ }
+ ~nsHtml5AutoPauseUpdate() {
+ // Something may have terminated the parser during the update pause.
+ if (!mBuilder->IsComplete()) {
+ mBuilder->BeginDocUpdate();
+ }
+ }
+};
+
+#endif // nsHtml5AutoPauseUpdate_h