Dactyloidae/mailnews/db/msgdb/public/nsMsgHdr.h
2019-11-17 00:11:12 +08:00

96 lines
3.4 KiB
C++

/* -*- 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 _nsMsgHdr_H
#define _nsMsgHdr_H
#include "mozilla/MemoryReporting.h"
#include "nsIMsgHdr.h"
#include "nsStringGlue.h"
#include "MailNewsTypes.h"
#include "mdb.h"
#include "nsTArray.h"
class nsMsgDatabase;
class nsCString;
class nsIMsgThread;
class nsMsgHdr : public nsIMsgDBHdr {
public:
NS_DECL_NSIMSGDBHDR
friend class nsMsgDatabase;
friend class nsImapMailDatabase;
friend class nsMsgPropertyEnumerator;
friend class nsMsgThread;
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
// nsMsgHdr methods:
nsMsgHdr(nsMsgDatabase *db, nsIMdbRow *dbRow);
NS_DECL_ISUPPORTS
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOfFun) const
{
return m_references.ShallowSizeOfExcludingThis(aMallocSizeOfFun);
}
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOfFun) const
{
return aMallocSizeOfFun(this) + SizeOfExcludingThis(aMallocSizeOfFun);
}
protected:
nsIMdbRow* GetMDBRow() { return m_mdbRow; }
void ReleaseMDBRow() { NS_IF_RELEASE(m_mdbRow); }
nsMsgDatabase* GetMdb() { return m_mdb; }
void ClearCachedValues() { m_initedValues = 0; }
virtual nsresult GetRawFlags(uint32_t *result);
bool IsParentOf(nsIMsgDBHdr *possibleChild);
bool IsAncestorOf(nsIMsgDBHdr *possibleChild);
private:
virtual ~nsMsgHdr();
void Init();
virtual nsresult InitFlags();
virtual nsresult InitCachedValues();
bool IsAncestorKilled(uint32_t ancestorsToCheck);
void ReparentInThread(nsIMsgThread *thread);
nsresult SetStringColumn(const char *str, mdb_token token);
nsresult SetUInt32Column(uint32_t value, mdb_token token);
nsresult GetUInt32Column(mdb_token token, uint32_t *pvalue, uint32_t defaultValue = 0);
nsresult SetUInt64Column(uint64_t value, mdb_token token);
nsresult GetUInt64Column(mdb_token token, uint64_t *pvalue, uint64_t defaultValue = 0);
// reference and threading stuff.
nsresult ParseReferences(const char *references);
const char* GetNextReference(const char *startNextRef, nsCString &reference,
bool acceptNonDelimitedReferences);
nsMsgKey m_threadId;
nsMsgKey m_messageKey; // news: article number, local mail: key, imap: uid...
nsMsgKey m_threadParent; // message this is a reply to, in thread.
PRTime m_date;
uint32_t m_messageSize; // lines for news articles, bytes for mail messages
uint32_t m_statusOffset; // offset in a local mail message of the x-mozilla-status header
uint32_t m_flags;
// avoid parsing references every time we want one
nsTArray<nsCString> m_references;
nsMsgPriorityValue m_priority;
// nsMsgHdrs will have to know what db and row they belong to, since they are really
// just a wrapper around the msg row in the mdb. This could cause problems,
// though I hope not.
nsMsgDatabase *m_mdb;
nsIMdbRow *m_mdbRow;
uint32_t m_initedValues;
};
#endif