1 files changed, 63 insertions, 0 deletions
diff --git a/netwerk/cache/nsCacheDevice.h b/netwerk/cache/nsCacheDevice.h
new file mode 100644
index 0000000000..fc68bcb8a2
--- /dev/null
+++ b/netwerk/cache/nsCacheDevice.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 4; 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 _nsCacheDevice_h_
+#define _nsCacheDevice_h_
+
+#include "nspr.h"
+#include "nsError.h"
+#include "nsICache.h"
+#include "nsStringFwd.h"
+
+class nsIFile;
+class nsCacheEntry;
+class nsICacheVisitor;
+class nsIInputStream;
+class nsIOutputStream;
+
+/******************************************************************************
+ * nsCacheDevice
+ *******************************************************************************/
+class nsCacheDevice {
+ public:
+  MOZ_COUNTED_DEFAULT_CTOR(nsCacheDevice)
+  MOZ_COUNTED_DTOR_VIRTUAL(nsCacheDevice)
+
+  virtual nsresult Init() = 0;
+  virtual nsresult Shutdown() = 0;
+
+  virtual const char* GetDeviceID(void) = 0;
+  virtual nsCacheEntry* FindEntry(nsCString* key, bool* collision) = 0;
+
+  virtual nsresult DeactivateEntry(nsCacheEntry* entry) = 0;
+  virtual nsresult BindEntry(nsCacheEntry* entry) = 0;
+  virtual void DoomEntry(nsCacheEntry* entry) = 0;
+
+  virtual nsresult OpenInputStreamForEntry(nsCacheEntry* entry,
+                                           nsCacheAccessMode mode,
+                                           uint32_t offset,
+                                           nsIInputStream** result) = 0;
+
+  virtual nsresult OpenOutputStreamForEntry(nsCacheEntry* entry,
+                                            nsCacheAccessMode mode,
+                                            uint32_t offset,
+                                            nsIOutputStream** result) = 0;
+
+  virtual nsresult GetFileForEntry(nsCacheEntry* entry, nsIFile** result) = 0;
+
+  virtual nsresult OnDataSizeChange(nsCacheEntry* entry, int32_t deltaSize) = 0;
+
+  virtual nsresult Visit(nsICacheVisitor* visitor) = 0;
+
+  /**
+   * Device must evict entries associated with clientID.  If clientID ==
+   * nullptr, all entries must be evicted.  Active entries must be doomed,
+   * rather than evicted.
+   */
+  virtual nsresult EvictEntries(const char* clientID) = 0;
+};
+
+#endif  // _nsCacheDevice_h_