1 files changed, 62 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheIndexIterator.h b/netwerk/cache2/CacheIndexIterator.h
new file mode 100644
index 0000000000..2f9aedb659
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+++ b/netwerk/cache2/CacheIndexIterator.h
@@ -0,0 +1,62 @@
+/* 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 CacheIndexIterator__h__
+#define CacheIndexIterator__h__
+
+#include "nsTArray.h"
+#include "nsCOMPtr.h"
+#include "mozilla/SHA1.h"
+#include "mozilla/StaticMutex.h"
+
+namespace mozilla {
+namespace net {
+
+class CacheIndex;
+class CacheIndexRecordWrapper;
+
+class CacheIndexIterator {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CacheIndexIterator)
+
+  CacheIndexIterator(CacheIndex* aIndex, bool aAddNew);
+
+ protected:
+  virtual ~CacheIndexIterator();
+
+ public:
+  // Returns a hash of a next entry. If there is no entry NS_ERROR_NOT_AVAILABLE
+  // is returned and the iterator is closed. Other error is returned when the
+  // iterator is closed for other reason, e.g. shutdown.
+  nsresult GetNextHash(SHA1Sum::Hash* aHash);
+
+  // Closes the iterator. This means the iterator is removed from the list of
+  // iterators in CacheIndex.
+  nsresult Close();
+
+ protected:
+  friend class CacheIndex;
+
+  nsresult CloseInternal(nsresult aStatus);
+
+  bool ShouldBeNewAdded() { return mAddNew; }
+  virtual void AddRecord(CacheIndexRecordWrapper* aRecord,
+                         const StaticMutexAutoLock& aProofOfLock);
+  bool RemoveRecord(CacheIndexRecordWrapper* aRecord,
+                    const StaticMutexAutoLock& aProofOfLock);
+  bool ReplaceRecord(CacheIndexRecordWrapper* aOldRecord,
+                     CacheIndexRecordWrapper* aNewRecord,
+                     const StaticMutexAutoLock& aProofOfLock);
+  void ClearRecords(const StaticMutexAutoLock& aProofOfLock);
+
+  nsresult mStatus;
+  RefPtr<CacheIndex> mIndex;
+  nsTArray<RefPtr<CacheIndexRecordWrapper>> mRecords;
+  bool mAddNew;
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif