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90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 nsAboutCache_h__
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#define nsAboutCache_h__
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#include "nsIAboutModule.h"
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#include "nsICacheStorageVisitor.h"
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#include "nsICacheStorage.h"
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#include "nsString.h"
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#include "nsIOutputStream.h"
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#include "nsILoadContextInfo.h"
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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class nsAboutCache final : public nsIAboutModule
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, public nsICacheStorageVisitor
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIABOUTMODULE
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NS_DECL_NSICACHESTORAGEVISITOR
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nsAboutCache() {}
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static nsresult
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Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
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static nsresult
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GetStorage(nsACString const & storageName, nsILoadContextInfo* loadInfo,
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nsICacheStorage **storage);
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protected:
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virtual ~nsAboutCache() {}
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nsresult ParseURI(nsIURI * uri, nsACString & storage);
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// Finds a next storage we wish to visit (we use this method
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// even there is a specified storage name, which is the only
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// one in the list then.) Posts FireVisitStorage() when found.
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nsresult VisitNextStorage();
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// Helper method that calls VisitStorage() for the current storage.
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// When it fails, OnCacheEntryVisitCompleted is simlated to close
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// the output stream and thus the about:cache channel.
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void FireVisitStorage();
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// Kiks the visit cycle for the given storage, names can be:
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// "disk", "memory", "appcache"
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// Note: any newly added storage type has to be manually handled here.
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nsresult VisitStorage(nsACString const & storageName);
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// Writes content of mBuffer to mStream and truncates
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// the buffer.
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void FlushBuffer();
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// Whether we are showing overview status of all available
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// storages.
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bool mOverview;
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// Flag initially false, that indicates the entries header has
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// been added to the output HTML.
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bool mEntriesHeaderAdded;
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// The context we are working with.
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nsCOMPtr<nsILoadContextInfo> mLoadInfo;
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nsCString mContextString;
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// The list of all storage names we want to visit
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nsTArray<nsCString> mStorageList;
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nsCString mStorageName;
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nsCOMPtr<nsICacheStorage> mStorage;
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// Output data buffering and streaming output
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nsCString mBuffer;
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nsCOMPtr<nsIOutputStream> mStream;
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};
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#define NS_ABOUT_CACHE_MODULE_CID \
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{ /* 9158c470-86e4-11d4-9be2-00e09872a416 */ \
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0x9158c470, \
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0x86e4, \
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0x11d4, \
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{0x9b, 0xe2, 0x00, 0xe0, 0x98, 0x72, 0xa4, 0x16} \
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}
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#endif // nsAboutCache_h__
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