gecko-dev/dom/archivereader/ArchiveZipFile.h

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2.4 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 mozilla_dom_archivereader_domarchivefile_h__
#define mozilla_dom_archivereader_domarchivefile_h__
#include "mozilla/Attributes.h"
#include "nsDOMFile.h"
#include "ArchiveReader.h"
#include "ArchiveReaderCommon.h"
#include "zipstruct.h"
BEGIN_ARCHIVEREADER_NAMESPACE
/**
* ArchiveZipFileImpl to DOMFileImpl
*/
class ArchiveZipFileImpl : public DOMFileImplBase
{
public:
NS_DECL_ISUPPORTS_INHERITED
ArchiveZipFileImpl(const nsAString& aName,
const nsAString& aContentType,
uint64_t aLength,
ZipCentral& aCentral,
ArchiveReader* aReader)
: DOMFileImplBase(aName, aContentType, aLength),
mCentral(aCentral),
mArchiveReader(aReader),
mFilename(aName)
{
NS_ASSERTION(mArchiveReader, "must have a reader");
MOZ_COUNT_CTOR(ArchiveZipFileImpl);
}
ArchiveZipFileImpl(const nsAString& aName,
const nsAString& aContentType,
uint64_t aStart,
uint64_t aLength,
ZipCentral& aCentral,
ArchiveReader* aReader)
: DOMFileImplBase(aContentType, aStart, aLength),
mCentral(aCentral),
mArchiveReader(aReader),
mFilename(aName)
{
NS_ASSERTION(mArchiveReader, "must have a reader");
MOZ_COUNT_CTOR(ArchiveZipFileImpl);
}
// Overrides:
virtual nsresult GetInternalStream(nsIInputStream**) MOZ_OVERRIDE;
virtual void Unlink() MOZ_OVERRIDE;
virtual void Traverse(nsCycleCollectionTraversalCallback &aCb) MOZ_OVERRIDE;
virtual bool IsCCed() const MOZ_OVERRIDE
{
return true;
}
protected:
virtual ~ArchiveZipFileImpl()
{
MOZ_COUNT_DTOR(ArchiveZipFileImpl);
}
virtual already_AddRefed<DOMFileImpl> CreateSlice(uint64_t aStart,
uint64_t aLength,
const nsAString& aContentType) MOZ_OVERRIDE;
private: // Data
ZipCentral mCentral;
nsRefPtr<ArchiveReader> mArchiveReader;
nsString mFilename;
};
END_ARCHIVEREADER_NAMESPACE
#endif // mozilla_dom_archivereader_domarchivefile_h__