diff -r 000000000000 -r 6474c204b198 dom/file/ArchiveReader.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dom/file/ArchiveReader.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,112 @@ +/* -*- 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_file_domarchivereader_h__ +#define mozilla_dom_file_domarchivereader_h__ + +#include "nsWrapperCache.h" + +#include "FileCommon.h" + +#include "nsCOMArray.h" +#include "nsIChannel.h" +#include "nsIDOMFile.h" +#include "mozilla/Attributes.h" + +namespace mozilla { +namespace dom { +class ArchiveReaderOptions; +class GlobalObject; +} // namespace dom +} // namespace mozilla + +BEGIN_FILE_NAMESPACE + +class ArchiveRequest; + +/** + * This is the ArchiveReader object + */ +class ArchiveReader MOZ_FINAL : public nsISupports, + public nsWrapperCache +{ +public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ArchiveReader) + + static already_AddRefed + Constructor(const GlobalObject& aGlobal, nsIDOMBlob* aBlob, + const ArchiveReaderOptions& aOptions, ErrorResult& aError); + + ArchiveReader(nsIDOMBlob* aBlob, nsPIDOMWindow* aWindow, + const nsACString& aEncoding); + + nsIDOMWindow* GetParentObject() const + { + return mWindow; + } + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; + + already_AddRefed GetFilenames(); + already_AddRefed GetFile(const nsAString& filename); + already_AddRefed GetFiles(); + + nsresult GetInputStream(nsIInputStream** aInputStream); + nsresult GetSize(uint64_t* aSize); + +public: // for the ArchiveRequest: + nsresult RegisterRequest(ArchiveRequest* aRequest); + +public: // For events: + void Ready(nsTArray >& aFileList, + nsresult aStatus); + +private: + ~ArchiveReader(); + + already_AddRefed GenerateArchiveRequest(); + + nsresult OpenArchive(); + + void RequestReady(ArchiveRequest* aRequest); + +protected: + // The archive blob/file + nsCOMPtr mBlob; + + // The window is needed by the requests + nsCOMPtr 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 > mRequests; + + // Everything related to the blobs and the status: + struct { + nsTArray > fileList; + nsresult status; + } mData; + + nsCString mEncoding; +}; + +END_FILE_NAMESPACE + +#endif // mozilla_dom_file_domarchivereader_h__