nsMsgHdr.h - mozsearch

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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 _nsMsgHdr_H

#define _nsMsgHdr_H

#include "mozilla/MemoryReporting.h"

#include "nsIMsgHdr.h"

#include "nsString.h"

#include "mdb.h"

#include "nsTArray.h"

class nsMsgDatabase;

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;    // Unique id of message in msgDB.

  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_flags;

  // avoid parsing references every time we want one

  nsTArray<nsCString> m_references;

  // 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