nsAboutCacheEntry.h

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/* -*- 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 nsAboutCacheEntry_h__

#define nsAboutCacheEntry_h__

#include "nsIAboutModule.h"

#include "nsICacheEntryOpenCallback.h"

#include "nsICacheEntry.h"

#include "nsIStreamListener.h"

#include "nsString.h"

#include "nsCOMPtr.h"

#include "nsIChannel.h"

class nsIAsyncOutputStream;

class nsIInputStream;

class nsILoadContextInfo;

class nsIURI;

class nsAboutCacheEntry final : public nsIAboutModule {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIABOUTMODULE

 private:

  virtual ~nsAboutCacheEntry() = default;

  class Channel final : public nsICacheEntryOpenCallback,

                        public nsICacheEntryMetaDataVisitor,

                        public nsIStreamListener,

                        public nsIChannel {

   public:

    NS_DECL_ISUPPORTS

    NS_DECL_NSICACHEENTRYOPENCALLBACK

    NS_DECL_NSICACHEENTRYMETADATAVISITOR

    NS_DECL_NSIREQUESTOBSERVER

    NS_DECL_NSISTREAMLISTENER

    NS_FORWARD_SAFE_NSICHANNEL(mChannel)

    NS_FORWARD_SAFE_NSIREQUEST(mChannel)

    Channel() = default;

   private:

    virtual ~Channel() = default;

   public:

    [[nodiscard]] nsresult Init(nsIURI* uri, nsILoadInfo* aLoadInfo);

    [[nodiscard]] nsresult GetContentStream(nsIURI*, nsIInputStream**);

    [[nodiscard]] nsresult OpenCacheEntry(nsIURI*);

    [[nodiscard]] nsresult OpenCacheEntry();

    [[nodiscard]] nsresult WriteCacheEntryDescription(nsICacheEntry*);

    [[nodiscard]] nsresult WriteCacheEntryUnavailable();

    [[nodiscard]] nsresult ParseURI(nsIURI* uri, nsACString& storageName,

                                    nsILoadContextInfo** loadInfo,

                                    nsCString& enahnceID, nsIURI** cacheUri);

    void CloseContent();

    [[nodiscard]] static nsresult PrintCacheData(

        nsIInputStream* aInStream, void* aClosure, const char* aFromSegment,

        uint32_t aToOffset, uint32_t aCount, uint32_t* aWriteCount);

   private:

    nsCString mStorageName, mEnhanceId;

    nsCOMPtr<nsILoadContextInfo> mLoadInfo;

    nsCOMPtr<nsIURI> mCacheURI;

    nsCString* mBuffer{nullptr};

    nsCOMPtr<nsIAsyncOutputStream> mOutputStream;

    bool mWaitingForData{false};

    uint32_t mHexDumpState{0};

    nsCOMPtr<nsIChannel> mChannel;

};

};

#define NS_ABOUT_CACHE_ENTRY_MODULE_CID              \

  { /* 7fa5237d-b0eb-438f-9e50-ca0166e63788 */       \

    0x7fa5237d, 0xb0eb, 0x438f, {                    \

      0x9e, 0x50, 0xca, 0x01, 0x66, 0xe6, 0x37, 0x88 \

    }                                                \

#endif  // nsAboutCacheEntry_h__