Files
tubestation/embedding/components/webbrowserpersist/src/nsWebBrowserPersist.h

265 lines
10 KiB
C++

/* -*- 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 the Mozilla browser.
*
* The Initial Developer of the Original Code is
* Netscape Communications, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Adam Lock <adamlock@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsWebBrowserPersist_h__
#define nsWebBrowserPersist_h__
#include "nsCOMPtr.h"
#include "nsWeakReference.h"
#include "nsIInterfaceRequestor.h"
#include "nsIMIMEService.h"
#include "nsIStreamListener.h"
#include "nsIOutputStream.h"
#include "nsIInputStream.h"
#include "nsIChannel.h"
#include "nsIStyleSheet.h"
#include "nsIDocumentEncoder.h"
#include "nsITransport.h"
#include "nsIProgressEventSink.h"
#include "nsILocalFile.h"
#include "nsIWebProgressListener2.h"
#include "nsHashtable.h"
#include "nsTArray.h"
#include "nsCWebBrowserPersist.h"
class nsEncoderNodeFixup;
class nsIStorageStream;
struct URIData;
struct CleanupData;
struct DocData;
class nsWebBrowserPersist : public nsIInterfaceRequestor,
public nsIWebBrowserPersist,
public nsIStreamListener,
public nsIProgressEventSink,
public nsSupportsWeakReference
{
friend class nsEncoderNodeFixup;
// Public members
public:
nsWebBrowserPersist();
NS_DECL_ISUPPORTS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSICANCELABLE
NS_DECL_NSIWEBBROWSERPERSIST
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIPROGRESSEVENTSINK
// Protected members
protected:
virtual ~nsWebBrowserPersist();
nsresult CloneNodeWithFixedUpAttributes(
nsIDOMNode *aNodeIn, bool *aSerializeCloneKids, nsIDOMNode **aNodeOut);
nsresult SaveURIInternal(
nsIURI *aURI, nsISupports *aCacheKey, nsIURI *aReferrer,
nsIInputStream *aPostData, const char *aExtraHeaders, nsIURI *aFile,
bool aCalcFileExt);
nsresult SaveChannelInternal(
nsIChannel *aChannel, nsIURI *aFile, bool aCalcFileExt);
nsresult SaveDocumentInternal(
nsIDOMDocument *aDocument, nsIURI *aFile, nsIURI *aDataPath);
nsresult SaveDocuments();
nsresult GetDocEncoderContentType(
nsIDOMDocument *aDocument, const PRUnichar *aContentType,
PRUnichar **aRealContentType);
nsresult GetExtensionForContentType(
const PRUnichar *aContentType, PRUnichar **aExt);
nsresult GetDocumentExtension(nsIDOMDocument *aDocument, PRUnichar **aExt);
// Private members
private:
void Cleanup();
void CleanupLocalFiles();
nsresult GetValidURIFromObject(nsISupports *aObject, nsIURI **aURI) const;
nsresult GetLocalFileFromURI(nsIURI *aURI, nsILocalFile **aLocalFile) const;
nsresult AppendPathToURI(nsIURI *aURI, const nsAString & aPath) const;
nsresult MakeAndStoreLocalFilenameInURIMap(
nsIURI *aURI, bool aNeedsPersisting, URIData **aData);
nsresult MakeOutputStream(
nsIURI *aFile, nsIOutputStream **aOutputStream);
nsresult MakeOutputStreamFromFile(
nsILocalFile *aFile, nsIOutputStream **aOutputStream);
nsresult MakeOutputStreamFromURI(nsIURI *aURI, nsIOutputStream **aOutStream);
nsresult CreateChannelFromURI(nsIURI *aURI, nsIChannel **aChannel);
nsresult StartUpload(nsIStorageStream *aOutStream, nsIURI *aDestinationURI,
const nsACString &aContentType);
nsresult StartUpload(nsIInputStream *aInputStream, nsIURI *aDestinationURI,
const nsACString &aContentType);
nsresult CalculateAndAppendFileExt(nsIURI *aURI, nsIChannel *aChannel,
nsIURI *aOriginalURIWithExtension);
nsresult CalculateUniqueFilename(nsIURI *aURI);
nsresult MakeFilenameFromURI(
nsIURI *aURI, nsString &aFilename);
nsresult StoreURI(
const char *aURI,
bool aNeedsPersisting = true,
URIData **aData = nsnull);
nsresult StoreURI(
nsIURI *aURI,
bool aNeedsPersisting = true,
URIData **aData = nsnull);
nsresult StoreURIAttributeNS(
nsIDOMNode *aNode, const char *aNamespaceURI, const char *aAttribute,
bool aNeedsPersisting = true,
URIData **aData = nsnull);
nsresult StoreURIAttribute(
nsIDOMNode *aNode, const char *aAttribute,
bool aNeedsPersisting = true,
URIData **aData = nsnull)
{
return StoreURIAttributeNS(aNode, "", aAttribute, aNeedsPersisting, aData);
}
bool GetQuotedAttributeValue(
const nsAString &aSource, const nsAString &aAttribute, nsAString &aValue);
bool DocumentEncoderExists(const PRUnichar *aContentType);
nsresult GetNodeToFixup(nsIDOMNode *aNodeIn, nsIDOMNode **aNodeOut);
nsresult FixupURI(nsAString &aURI);
nsresult FixupNodeAttributeNS(nsIDOMNode *aNode, const char *aNamespaceURI, const char *aAttribute);
nsresult FixupNodeAttribute(nsIDOMNode *aNode, const char *aAttribute)
{
return FixupNodeAttributeNS(aNode, "", aAttribute);
}
nsresult FixupAnchor(nsIDOMNode *aNode);
nsresult FixupXMLStyleSheetLink(nsIDOMProcessingInstruction *aPI, const nsAString &aHref);
nsresult GetXMLStyleSheetLink(nsIDOMProcessingInstruction *aPI, nsAString &aHref);
nsresult StoreAndFixupStyleSheet(nsIStyleSheet *aStyleSheet);
nsresult SaveDocumentWithFixup(
nsIDOMDocument *pDocument, nsIDocumentEncoderNodeFixup *pFixup,
nsIURI *aFile, bool aReplaceExisting, const nsACString &aFormatType,
const nsCString &aSaveCharset, PRUint32 aFlags);
nsresult SaveSubframeContent(
nsIDOMDocument *aFrameContent, URIData *aData);
nsresult SetDocumentBase(nsIDOMDocument *aDocument, nsIURI *aBaseURI);
nsresult SendErrorStatusChange(
bool aIsReadError, nsresult aResult, nsIRequest *aRequest, nsIURI *aURI);
nsresult OnWalkDOMNode(nsIDOMNode *aNode);
nsresult FixRedirectedChannelEntry(nsIChannel *aNewChannel);
void EndDownload(nsresult aResult = NS_OK);
nsresult SaveGatheredURIs(nsIURI *aFileAsURI);
bool SerializeNextFile();
void CalcTotalProgress();
void SetApplyConversionIfNeeded(nsIChannel *aChannel);
// Hash table enumerators
static bool EnumPersistURIs(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCleanupURIMap(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCleanupOutputMap(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCleanupUploadList(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCalcProgress(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCalcUploadProgress(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumFixRedirect(
nsHashKey *aKey, void *aData, void* closure);
static bool EnumCountURIsToPersist(
nsHashKey *aKey, void *aData, void* closure);
nsCOMPtr<nsIURI> mCurrentDataPath;
bool mCurrentDataPathIsRelative;
nsCString mCurrentRelativePathToData;
nsCOMPtr<nsIURI> mCurrentBaseURI;
nsCString mCurrentCharset;
nsCOMPtr<nsIURI> mTargetBaseURI;
PRUint32 mCurrentThingsToPersist;
nsCOMPtr<nsIMIMEService> mMIMEService;
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsIWebProgressListener> mProgressListener;
/**
* Progress listener for 64-bit values; this is the same object as
* mProgressListener, but is a member to avoid having to qi it for each
* progress notification.
*/
nsCOMPtr<nsIWebProgressListener2> mProgressListener2;
nsCOMPtr<nsIProgressEventSink> mEventSink;
nsHashtable mOutputMap;
nsHashtable mUploadList;
nsHashtable mURIMap;
nsTArray<DocData*> mDocList;
nsTArray<CleanupData*> mCleanupList;
nsTArray<nsCString> mFilenameList;
bool mFirstAndOnlyUse;
bool mCancel;
bool mJustStartedLoading;
bool mCompleted;
bool mStartSaving;
bool mReplaceExisting;
bool mSerializingOutput;
PRUint32 mPersistFlags;
PRUint32 mPersistResult;
PRInt64 mTotalCurrentProgress;
PRInt64 mTotalMaxProgress;
PRInt16 mWrapColumn;
PRUint32 mEncodingFlags;
nsString mContentType;
};
// Helper class does node fixup during persistence
class nsEncoderNodeFixup : public nsIDocumentEncoderNodeFixup
{
public:
nsEncoderNodeFixup();
NS_DECL_ISUPPORTS
NS_IMETHOD FixupNode(nsIDOMNode *aNode, bool *aSerializeCloneKids, nsIDOMNode **aOutNode);
nsWebBrowserPersist *mWebBrowserPersist;
protected:
virtual ~nsEncoderNodeFixup();
};
#endif