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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla FastLoad code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brendan Eich <brendan@mozilla.org> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
#include "nsrootidl.idl"
interface nsIFastLoadReadControl;
interface nsIFile;
interface nsIInputStream;
interface nsIOutputStream;
interface nsIObjectInputStream;
interface nsIObjectOutputStream;
[scriptable, uuid(715577db-d9c5-464a-a32e-0a40c29b22d4)]
interface nsIFastLoadFileIO : nsISupports
{
readonly attribute nsIInputStream inputStream;
readonly attribute nsIOutputStream outputStream;
};
[scriptable, uuid(759e475e-0c23-4dbf-b1b8-78c9369e3072)]
interface nsIFastLoadService : nsISupports
{
nsIFile newFastLoadFile(in string aBaseName);
nsIObjectInputStream newInputStream(in nsIInputStream aSrcStream);
nsIObjectOutputStream newOutputStream(in nsIOutputStream aDestStream);
// Flag values for the direction attribute and the aDirectionFlags
// parameter to startMuxedDocument.
const PRInt32 NS_FASTLOAD_READ = 1;
const PRInt32 NS_FASTLOAD_WRITE = 2;
attribute nsIObjectInputStream inputStream;
attribute nsIObjectOutputStream outputStream;
attribute nsIFastLoadFileIO fileIO;
readonly attribute PRInt32 direction;
/**
* These methods associate a URI object with its spec, for faster select
* using the object pointer as a key, rather than the spec string. The
* selectMuxedDocument method returns the previously selected URI object,
* in case a caller needs to reselect the previous after muxing data for
* a given URI synchronously. For the non-blocking or "asynchronous" i/o
* case, the caller must select the source URI from the FastLoad multiplex
* before writing a new burst of data parsed from the slow-loaded source.
*
* Clients of inputStream and outputStream should try to demultiplex data
* from the input stream only if fastLoadService->StartMuxedDocument(uri,
* urispec, NS_FASTLOAD_READ) succeeds. If StartMuxedDocument fails with
* NS_ERROR_NOT_AVAILABLE, callers should slow-load the documents, muxing
* their data to the current output stream.
*/
void startMuxedDocument(in nsISupports aURI,
in string aURISpec,
in PRInt32 aDirectionFlags);
nsISupports selectMuxedDocument(in nsISupports aURI);
void endMuxedDocument(in nsISupports aURI);
void addDependency(in nsIFile aFile);
PRUint32 computeChecksum(in nsIFile aFile,
in nsIFastLoadReadControl aControl);
void cacheChecksum(in nsIFile aFile,
in nsIObjectOutputStream aStream);
[noscript] void getFastLoadReferent(inout nsISupports aPtr);
[noscript] void readFastLoadPtr(in nsIObjectInputStream aInputStream,
inout nsISupports aPtr);
[noscript] void writeFastLoadPtr(in nsIObjectOutputStream aOutputStream,
in nsISupports aPtr);
/**
* Return true if aURISpec identifies a muxed document in the FastLoad
* file, false otherwise.
*/
boolean hasMuxedDocument(in string aURISpec);
};
%{C++
#define NS_FASTLOADSERVICE_CLASSNAME "Mozilla FastLoad Service"
#define NS_FASTLOADSERVICE_CID \
{0xc943093c,0xac94,0x4bee,{0x84,0x0b,0x8b,0x5a,0x6e,0x31,0x4f,0xa7}}
#define NS_FASTLOADSERVICE_CONTRACTID \
"@mozilla.org/fast-load-service;1"
#ifndef nsCOMPtr_h___
# include "nsCOMPtr.h"
#endif
#ifndef __gen_nsIFile_h__
# include "nsIFile.h"
#endif
#ifndef nsIServiceManager_h___
# include "nsIServiceManager.h"
#endif
inline const nsGetServiceByCID
do_GetFastLoadService(nsresult *aResultCode = 0)
{
static NS_DEFINE_CID(kFastLoadServiceCID, NS_FASTLOADSERVICE_CID);
return nsGetServiceByCID(kFastLoadServiceCID, nsnull, aResultCode);
}
inline nsresult
NS_AddFastLoadDependency(nsIFile* aFile)
{
nsCOMPtr<nsIFastLoadService> fastLoadService(do_GetFastLoadService());
if (fastLoadService) {
nsresult rv = fastLoadService->AddDependency(aFile);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_AVAILABLE)
return rv;
}
return NS_OK;
}
%}
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