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-rw-r--r--accessible/base/nsAccCache.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/accessible/base/nsAccCache.h b/accessible/base/nsAccCache.h
new file mode 100644
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--- /dev/null
+++ b/accessible/base/nsAccCache.h
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 _nsAccCache_H_
+#define _nsAccCache_H_
+
+#include "xpcAccessibleDocument.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// Accessible cache utils
+////////////////////////////////////////////////////////////////////////////////
+
+template <class T>
+void
+UnbindCacheEntriesFromDocument(
+ nsRefPtrHashtable<nsPtrHashKey<const void>, T>& aCache)
+{
+ for (auto iter = aCache.Iter(); !iter.Done(); iter.Next()) {
+ T* accessible = iter.Data();
+ MOZ_ASSERT(accessible && !accessible->IsDefunct());
+ accessible->Document()->UnbindFromDocument(accessible);
+ iter.Remove();
+ }
+}
+
+#endif