gecko-dev/dom/file/ArchiveEvent.h

83 lines
2.0 KiB
C++

/* -*- 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_domarchiveevent_h__
#define mozilla_dom_file_domarchiveevent_h__
#include "ArchiveReader.h"
#include "nsISeekableStream.h"
#include "nsIMIMEService.h"
#include "nsDOMFile.h"
#include "FileCommon.h"
BEGIN_FILE_NAMESPACE
/**
* This class contains all the info needed for a single item
* It must contain the implementation of the File() method.
*/
class ArchiveItem : public nsISupports
{
public:
NS_DECL_ISUPPORTS
ArchiveItem();
virtual ~ArchiveItem();
// Getter/Setter for the type
nsCString GetType();
void SetType(const nsCString& aType);
// Getter for the filename
virtual nsresult GetFilename(nsString& aFilename) = 0;
// Generate a DOMFile
virtual nsIDOMFile* File(ArchiveReader* aArchiveReader) = 0;
protected:
nsCString mType;
};
/**
* This class must be extended by any archive format supported by ArchiveReader API
* This class runs in a different thread and it calls the 'exec()' method.
* The exec() must populate mFileList and mStatus then it must call RunShare();
*/
class ArchiveReaderEvent : public nsRunnable
{
public:
NS_DECL_NSIRUNNABLE
ArchiveReaderEvent(ArchiveReader* aArchiveReader);
virtual ~ArchiveReaderEvent();
// This must be implemented
virtual nsresult Exec() = 0;
protected:
nsresult GetType(nsCString& aExt,
nsCString& aMimeType);
nsresult RunShare(nsresult aStatus);
void ShareMainThread();
protected: // data
ArchiveReader* mArchiveReader;
nsCOMPtr<nsIMIMEService> mMimeService;
nsTArray<nsRefPtr<ArchiveItem> > mFileList; // this must be populated
nsresult mStatus;
};
END_FILE_NAMESPACE
#endif // mozilla_dom_file_domarchiveevent_h__