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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 _nsImapMoveCoalescer_H
#define _nsImapMoveCoalescer_H
#include "msgCore.h"
#include "nsCOMArray.h"
#include "nsIMsgWindow.h"
#include "nsCOMPtr.h"
#include "MailNewsTypes.h"
#include "nsTArray.h"
#include "nsIUrlListener.h"
#include "nsIMsgCopyServiceListener.h"
// imap move coalescer class - in order to keep nsImapMailFolder from growing like Topsy
// Logically, we want to keep track of an nsTArray<nsMsgKey> per nsIMsgFolder, and then
// be able to retrieve them one by one and play back the moves.
// This utility class will be used by both the filter code and the offline playback code,
// to avoid multiple moves to the same folder.
class NS_MSG_BASE nsImapMoveCoalescer : public nsIUrlListener
{
public:
friend class nsMoveCoalescerCopyListener;
NS_DECL_ISUPPORTS
NS_DECL_NSIURLLISTENER
nsImapMoveCoalescer(nsIMsgFolder *sourceFolder, nsIMsgWindow *msgWindow);
nsresult AddMove(nsIMsgFolder *folder, nsMsgKey key);
nsresult PlaybackMoves(bool doNewMailNotification = false);
// this lets the caller store keys in an arbitrary number of buckets. If the bucket
// for the passed in index doesn't exist, it will get created.
nsTArray<nsMsgKey> *GetKeyBucket(uint32_t keyArrayIndex);
nsIMsgWindow *GetMsgWindow() {return m_msgWindow;}
bool HasPendingMoves() {return m_hasPendingMoves;}
protected:
virtual ~nsImapMoveCoalescer();
// m_sourceKeyArrays and m_destFolders are parallel arrays.
nsTArray<nsTArray<nsMsgKey> > m_sourceKeyArrays;
nsCOMArray<nsIMsgFolder> m_destFolders;
nsCOMPtr <nsIMsgWindow> m_msgWindow;
nsCOMPtr <nsIMsgFolder> m_sourceFolder;
bool m_doNewMailNotification;
bool m_hasPendingMoves;
nsTArray<nsMsgKey> m_keyBuckets[2];
int32_t m_outstandingMoves;
};
class nsMoveCoalescerCopyListener final : public nsIMsgCopyServiceListener
{
public:
nsMoveCoalescerCopyListener(nsImapMoveCoalescer * coalescer, nsIMsgFolder *destFolder);
NS_DECL_ISUPPORTS
NS_DECL_NSIMSGCOPYSERVICELISTENER
nsCOMPtr <nsIMsgFolder> m_destFolder;
nsImapMoveCoalescer *m_coalescer;
// when we get OnStopCopy, update the folder. When we've finished all the copies,
// send the biff notification.
private:
~nsMoveCoalescerCopyListener();
};
#endif // _nsImapMoveCoalescer_H
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