pjs/xpcom/io/nsIFastLoadService.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 2001 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Brendan Eich <brendan@mozilla.org> (original author)
*/
#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;
/**
* 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);
void selectMuxedDocument(in nsISupports aURI);
void endMuxedDocument(in nsISupports aURI);
void addDependency(in nsIFile aFile);
PRTime maxDependencyModifiedTime(in nsIFastLoadReadControl aControl);
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);
};
%{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;
}
%}