mirror of
https://github.com/mozilla/gecko-dev.git
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705461265d
Depends on D108600 Differential Revision: https://phabricator.services.mozilla.com/D108601
265 lines
9.8 KiB
C++
265 lines
9.8 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsOfflineCacheDevice_h__
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#define nsOfflineCacheDevice_h__
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#include "nsCacheDevice.h"
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#include "nsIApplicationCache.h"
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#include "mozIStorageConnection.h"
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#include "mozIStorageFunction.h"
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#include "nsIFile.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "nsInterfaceHashtable.h"
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#include "nsClassHashtable.h"
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#include "nsIWeakReference.h"
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#include "nsTHashSet.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Mutex.h"
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class nsIURI;
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class nsOfflineCacheDevice;
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class mozIStorageService;
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class nsILoadContextInfo;
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namespace mozilla {
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class OriginAttributesPattern;
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}
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class nsApplicationCacheNamespace final : public nsIApplicationCacheNamespace {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIAPPLICATIONCACHENAMESPACE
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nsApplicationCacheNamespace() : mItemType(0) {}
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private:
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~nsApplicationCacheNamespace() = default;
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uint32_t mItemType;
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nsCString mNamespaceSpec;
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nsCString mData;
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};
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class nsOfflineCacheEvictionFunction final : public mozIStorageFunction {
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_MOZISTORAGEFUNCTION
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explicit nsOfflineCacheEvictionFunction(nsOfflineCacheDevice* device);
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void Init();
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void Reset();
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void Apply();
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private:
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~nsOfflineCacheEvictionFunction() = default;
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nsOfflineCacheDevice* mDevice;
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bool mTLSInited;
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};
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class nsOfflineCacheDevice final : public nsCacheDevice, public nsISupports {
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public:
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nsOfflineCacheDevice();
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NS_DECL_THREADSAFE_ISUPPORTS
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/**
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* nsCacheDevice methods
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*/
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virtual nsresult Init() override;
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nsresult InitWithSqlite(mozIStorageService* ss);
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virtual nsresult Shutdown() override;
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virtual const char* GetDeviceID(void) override;
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virtual nsCacheEntry* FindEntry(nsCString* key, bool* collision) override;
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virtual nsresult DeactivateEntry(nsCacheEntry* entry) override;
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virtual nsresult BindEntry(nsCacheEntry* entry) override;
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virtual void DoomEntry(nsCacheEntry* entry) override;
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virtual nsresult OpenInputStreamForEntry(nsCacheEntry* entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIInputStream** result) override;
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virtual nsresult OpenOutputStreamForEntry(nsCacheEntry* entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIOutputStream** result) override;
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virtual nsresult GetFileForEntry(nsCacheEntry* entry,
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nsIFile** result) override;
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virtual nsresult OnDataSizeChange(nsCacheEntry* entry,
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int32_t deltaSize) override;
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virtual nsresult Visit(nsICacheVisitor* visitor) override;
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virtual nsresult EvictEntries(const char* clientID) override;
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/* Entry ownership */
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nsresult GetOwnerDomains(const char* clientID, uint32_t* count,
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char*** domains);
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nsresult GetOwnerURIs(const char* clientID, const nsACString& ownerDomain,
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uint32_t* count, char*** uris);
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nsresult SetOwnedKeys(const char* clientID, const nsACString& ownerDomain,
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const nsACString& ownerUrl, uint32_t count,
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const char** keys);
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nsresult GetOwnedKeys(const char* clientID, const nsACString& ownerDomain,
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const nsACString& ownerUrl, uint32_t* count,
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char*** keys);
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nsresult AddOwnedKey(const char* clientID, const nsACString& ownerDomain,
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const nsACString& ownerURI, const nsACString& key);
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nsresult RemoveOwnedKey(const char* clientID, const nsACString& ownerDomain,
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const nsACString& ownerURI, const nsACString& key);
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nsresult KeyIsOwned(const char* clientID, const nsACString& ownerDomain,
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const nsACString& ownerURI, const nsACString& key,
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bool* isOwned);
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nsresult ClearKeysOwnedByDomain(const char* clientID,
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const nsACString& ownerDomain);
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nsresult EvictUnownedEntries(const char* clientID);
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static nsresult BuildApplicationCacheGroupID(nsIURI* aManifestURL,
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nsACString const& aOriginSuffix,
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nsACString& _result);
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nsresult ActivateCache(const nsACString& group, const nsACString& clientID);
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bool IsActiveCache(const nsACString& group, const nsACString& clientID);
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nsresult CreateApplicationCache(const nsACString& group,
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nsIApplicationCache** out);
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nsresult GetApplicationCache(const nsACString& clientID,
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nsIApplicationCache** out);
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nsresult GetApplicationCache_Unlocked(const nsACString& clientID,
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nsIApplicationCache** out);
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nsresult GetActiveCache(const nsACString& group, nsIApplicationCache** out);
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nsresult DeactivateGroup(const nsACString& group);
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nsresult ChooseApplicationCache(const nsACString& key,
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nsILoadContextInfo* loadContext,
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nsIApplicationCache** out);
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nsresult CacheOpportunistically(nsIApplicationCache* cache,
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const nsACString& key);
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nsresult Evict(nsILoadContextInfo* aInfo);
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nsresult Evict(mozilla::OriginAttributesPattern const& aPattern);
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nsresult GetGroups(nsTArray<nsCString>& keys);
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nsresult GetGroupsTimeOrdered(nsTArray<nsCString>& keys);
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bool IsLocked(const nsACString& key);
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void Lock(const nsACString& key);
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void Unlock(const nsACString& key);
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/**
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* Preference accessors
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*/
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void SetCacheParentDirectory(nsIFile* parentDir);
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void SetCapacity(uint32_t capacity);
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void SetAutoShutdown() { mAutoShutdown = true; }
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bool AutoShutdown(nsIApplicationCache* aAppCache);
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nsIFile* BaseDirectory() { return mBaseDirectory; }
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nsIFile* CacheDirectory() { return mCacheDirectory; }
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uint32_t CacheCapacity() { return mCacheCapacity; }
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uint32_t CacheSize();
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uint32_t EntryCount();
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private:
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~nsOfflineCacheDevice() = default;
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friend class nsApplicationCache;
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static bool GetStrictFileOriginPolicy();
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bool Initialized() { return mDB != nullptr; }
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nsresult InitActiveCaches();
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nsresult UpdateEntry(nsCacheEntry* entry);
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nsresult UpdateEntrySize(nsCacheEntry* entry, uint32_t newSize);
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nsresult DeleteEntry(nsCacheEntry* entry, bool deleteData);
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nsresult DeleteData(nsCacheEntry* entry);
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nsresult EnableEvictionObserver();
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nsresult DisableEvictionObserver();
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bool CanUseCache(nsIURI* keyURI, const nsACString& clientID,
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nsILoadContextInfo* loadContext);
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nsresult MarkEntry(const nsCString& clientID, const nsACString& key,
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uint32_t typeBits);
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nsresult UnmarkEntry(const nsCString& clientID, const nsACString& key,
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uint32_t typeBits);
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nsresult CacheOpportunistically(const nsCString& clientID,
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const nsACString& key);
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nsresult GetTypes(const nsCString& clientID, const nsACString& key,
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uint32_t* typeBits);
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nsresult GetMatchingNamespace(const nsCString& clientID,
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const nsACString& key,
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nsIApplicationCacheNamespace** out);
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nsresult GatherEntries(const nsCString& clientID, uint32_t typeBits,
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nsTArray<nsCString>& keys);
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nsresult AddNamespace(const nsCString& clientID,
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nsIApplicationCacheNamespace* ns);
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nsresult GetUsage(const nsACString& clientID, uint32_t* usage);
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nsresult RunSimpleQuery(mozIStorageStatement* statment, uint32_t resultIndex,
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nsTArray<nsCString>& values);
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nsCOMPtr<mozIStorageConnection> mDB;
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RefPtr<nsOfflineCacheEvictionFunction> mEvictionFunction;
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nsCOMPtr<mozIStorageStatement> mStatement_CacheSize;
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nsCOMPtr<mozIStorageStatement> mStatement_ApplicationCacheSize;
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nsCOMPtr<mozIStorageStatement> mStatement_EntryCount;
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nsCOMPtr<mozIStorageStatement> mStatement_UpdateEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_UpdateEntrySize;
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nsCOMPtr<mozIStorageStatement> mStatement_DeleteEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_FindEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_BindEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_ClearDomain;
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nsCOMPtr<mozIStorageStatement> mStatement_MarkEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_UnmarkEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_GetTypes;
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nsCOMPtr<mozIStorageStatement> mStatement_FindNamespaceEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_InsertNamespaceEntry;
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nsCOMPtr<mozIStorageStatement> mStatement_CleanupUnmarked;
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nsCOMPtr<mozIStorageStatement> mStatement_GatherEntries;
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nsCOMPtr<mozIStorageStatement> mStatement_ActivateClient;
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nsCOMPtr<mozIStorageStatement> mStatement_DeactivateGroup;
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nsCOMPtr<mozIStorageStatement> mStatement_FindClient;
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nsCOMPtr<mozIStorageStatement> mStatement_FindClientByNamespace;
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nsCOMPtr<mozIStorageStatement> mStatement_EnumerateApps;
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nsCOMPtr<mozIStorageStatement> mStatement_EnumerateGroups;
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nsCOMPtr<mozIStorageStatement> mStatement_EnumerateGroupsTimeOrder;
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nsCOMPtr<nsIFile> mBaseDirectory;
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nsCOMPtr<nsIFile> mCacheDirectory;
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uint32_t mCacheCapacity; // in bytes
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int32_t mDeltaCounter;
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bool mAutoShutdown;
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mozilla::Mutex mLock;
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nsInterfaceHashtable<nsCStringHashKey, nsIWeakReference> mCaches;
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nsClassHashtable<nsCStringHashKey, nsCString> mActiveCachesByGroup;
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nsTHashSet<nsCString> mActiveCaches;
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nsTHashSet<nsCString> mLockedEntries;
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nsCOMPtr<nsIEventTarget> mInitEventTarget;
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};
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#endif // nsOfflineCacheDevice_h__
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