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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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_domarchivereader_h__
#define mozilla_dom_archivereader_domarchivereader_h__
#include "nsWrapperCache.h"
#include "ArchiveReaderCommon.h"
#include "nsCOMArray.h"
#include "nsIChannel.h"
#include "mozilla/Attributes.h"
namespace mozilla {
namespace dom {
struct ArchiveReaderOptions;
class Blob;
class BlobImpl;
class File;
class GlobalObject;
} // namespace dom
} // namespace mozilla
BEGIN_ARCHIVEREADER_NAMESPACE
class ArchiveRequest;
/**
* This is the ArchiveReader object
*/
class ArchiveReader final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ArchiveReader)
static already_AddRefed<ArchiveReader>
Constructor(const GlobalObject& aGlobal, Blob& aBlob,
const ArchiveReaderOptions& aOptions, ErrorResult& aError);
ArchiveReader(Blob& aBlob, nsPIDOMWindowInner* aWindow,
const nsACString& aEncoding);
nsPIDOMWindowInner* GetParentObject() const
{
return mWindow;
}
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
already_AddRefed<ArchiveRequest> GetFilenames();
already_AddRefed<ArchiveRequest> GetFile(const nsAString& filename);
already_AddRefed<ArchiveRequest> GetFiles();
nsresult GetInputStream(nsIInputStream** aInputStream);
nsresult GetSize(uint64_t* aSize);
public: // for the ArchiveRequest:
nsresult RegisterRequest(ArchiveRequest* aRequest);
public: // For events:
BlobImpl* GetBlobImpl() const
{
return mBlobImpl;
}
void Ready(nsTArray<RefPtr<File>>& aFileList, nsresult aStatus);
private:
~ArchiveReader();
already_AddRefed<ArchiveRequest> GenerateArchiveRequest();
nsresult OpenArchive();
void RequestReady(ArchiveRequest* aRequest);
protected:
// The archive blob/file
RefPtr<BlobImpl> mBlobImpl;
// The window is needed by the requests
nsCOMPtr<nsPIDOMWindowInner> mWindow;
// Are we ready to return data?
enum {
NOT_STARTED = 0,
WORKING,
READY
} mStatus;
// State of the read:
enum {
Header, // We are collecting the header: 30bytes
Name, // The name length is contained in the header
Data, // The length of the data segment COULD be written in the header
Search // ... if the data length is unknown (== 0) we wait until we read a new header
} mReadStatus;
// List of requests to be processed
nsTArray<RefPtr<ArchiveRequest> > mRequests;
// Everything related to the blobs and the status:
struct {
nsTArray<RefPtr<File>> fileList;
nsresult status;
} mData;
nsCString mEncoding;
};
END_ARCHIVEREADER_NAMESPACE
#endif // mozilla_dom_archivereader_domarchivereader_h__
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