import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/cache2/CacheStorage.h

@@ -0,0 +1,81 @@
+/* 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 CacheStorage__h__
+#define CacheStorage__h__
+
+#include "nsICacheStorage.h"
+#include "CacheEntry.h"
+#include "LoadContextInfo.h"
+
+#include "nsRefPtrHashtable.h"
+#include "nsThreadUtils.h"
+#include "nsCOMPtr.h"
+#include "nsILoadContextInfo.h"
+#include "nsIApplicationCache.h"
+#include "nsICacheEntryDoomCallback.h"
+
+class nsIURI;
+class nsIApplicationCache;
+
+namespace mozilla {
+namespace net {
+
+// This dance is needed to make CacheEntryTable declarable-only in headers
+// w/o exporting CacheEntry.h file to make nsNetModule.cpp compilable.
+typedef nsRefPtrHashtable<nsCStringHashKey, CacheEntry> TCacheEntryTable;
+class CacheEntryTable : public TCacheEntryTable
+{
+public:
+  enum EType
+  {
+    MEMORY_ONLY,
+    ALL_ENTRIES
+  };
+
+  explicit CacheEntryTable(EType aType) : mType(aType) { }
+  EType Type() const
+  {
+    return mType;
+  }
+private:
+  EType const mType;
+  CacheEntryTable() = delete;
+};
+
+class CacheStorage : public nsICacheStorage
+{
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSICACHESTORAGE
+
+public:
+  CacheStorage(nsILoadContextInfo* aInfo,
+               bool aAllowDisk,
+               bool aLookupAppCache,
+               bool aSkipSizeCheck,
+               bool aPinning);
+
+protected:
+  virtual ~CacheStorage();
+
+  nsresult ChooseApplicationCache(nsIURI* aURI, nsIApplicationCache** aCache);
+
+  RefPtr<LoadContextInfo> mLoadContextInfo;
+  bool mWriteToDisk : 1;
+  bool mLookupAppCache : 1;
+  bool mSkipSizeCheck: 1;
+  bool mPinning : 1;
+
+public:
+  nsILoadContextInfo* LoadInfo() const { return mLoadContextInfo; }
+  bool WriteToDisk() const { return mWriteToDisk && !mLoadContextInfo->IsPrivate(); }
+  bool LookupAppCache() const { return mLookupAppCache; }
+  bool SkipSizeCheck() const { return mSkipSizeCheck; }
+  bool Pinning() const { return mPinning; }
+};
+
+} // namespace net
+} // namespace mozilla
+
+#endif