netwerk/cache2/CacheStorage.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef CacheStorage__h__
   6 #define CacheStorage__h__
   7
   8 #include "nsICacheStorage.h"
   9 #include "CacheEntry.h"
  10 #include "LoadContextInfo.h"
  11
  12 #include "nsILoadContextInfo.h"
  13
  14 class nsIURI;
  15
  16 namespace mozilla {
  17 namespace net {
  18
  19 // This dance is needed to make CacheEntryTable declarable-only in headers
  20 // w/o exporting CacheEntry.h file to make nsNetModule.cpp compilable.
  21 using TCacheEntryTable = nsRefPtrHashtable<nsCStringHashKey, CacheEntry>;
  22 class CacheEntryTable : public TCacheEntryTable {
  23  public:
  24   enum EType { MEMORY_ONLY, ALL_ENTRIES };
  25
  26   explicit CacheEntryTable(EType aType) : mType(aType) {}
  27   EType Type() const { return mType; }
  28
  29  private:
  30   EType const mType;
  31   CacheEntryTable() = delete;
  32 };
  33
  34 class CacheStorage : public nsICacheStorage {
  35   NS_DECL_THREADSAFE_ISUPPORTS
  36   NS_DECL_NSICACHESTORAGE
  37
  38  public:
  39   CacheStorage(nsILoadContextInfo* aInfo, bool aAllowDisk, bool aSkipSizeCheck,
  40                bool aPinning);
  41
  42  protected:
  43   virtual ~CacheStorage() = default;
  44
  45   RefPtr<LoadContextInfo> mLoadContextInfo;
  46   bool mWriteToDisk : 1;
  47   bool mSkipSizeCheck : 1;
  48   bool mPinning : 1;
  49
  50  public:
  51   nsILoadContextInfo* LoadInfo() const { return mLoadContextInfo; }
  52   bool WriteToDisk() const {
  53     return mWriteToDisk &&
  54            (!mLoadContextInfo || !mLoadContextInfo->IsPrivate());
  55   }
  56   bool SkipSizeCheck() const { return mSkipSizeCheck; }
  57   bool Pinning() const { return mPinning; }
  58 };
  59
  60 }  // namespace net
  61 }  // namespace mozilla
  62
  63 #endif