nsMsgGroupThread.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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/. */

#include "mozilla/Attributes.h"

#include "msgCore.h"

#include "nsCOMArray.h"

#include "nsIMsgThread.h"

#include "MailNewsTypes.h"

#include "nsTArray.h"

#include "nsIMsgDatabase.h"

#include "nsIMsgHdr.h"

#include "nsMsgDBView.h"

class nsMsgGroupView;

class nsMsgGroupThread : public nsIMsgThread {

 public:

  friend class nsMsgGroupView;

  explicit nsMsgGroupThread(nsIMsgDatabase* db,

                            nsMsgViewSortOrderValue sortOrder);

  already_AddRefed<nsMsgGroupThread> Clone();

  NS_DECL_NSIMSGTHREAD

  NS_DECL_ISUPPORTS

 protected:

  virtual ~nsMsgGroupThread();

  nsMsgViewIndex AddChildFromGroupView(nsIMsgDBHdr* child, nsMsgDBView* view);

  nsresult RemoveChild(nsMsgKey msgKey);

  nsresult RerootThread(nsIMsgDBHdr* newParentOfOldRoot, nsIMsgDBHdr* oldRoot,

                        nsIDBChangeAnnouncer* announcer);

  virtual nsMsgViewIndex AddMsgHdrInDateOrder(nsIMsgDBHdr* child,

                                              nsMsgDBView* view);

  virtual nsMsgViewIndex GetInsertIndexFromView(

      nsMsgDBView* view, nsIMsgDBHdr* child,

      nsMsgViewSortOrderValue threadSortOrder);

  nsresult ReparentNonReferenceChildrenOf(nsIMsgDBHdr* topLevelHdr,

                                          nsMsgKey newParentKey,

                                          nsIDBChangeAnnouncer* announcer);

  nsresult ReparentChildrenOf(nsMsgKey oldParent, nsMsgKey newParent,

                              nsIDBChangeAnnouncer* announcer);

  nsresult ChangeNewChildCount(int32_t delta);

  nsresult ChangeUnreadChildCount(int32_t delta);

  nsresult GetChildHdrForKey(nsMsgKey desiredKey, nsIMsgDBHdr** result,

                             int32_t* resultIndex);

  uint32_t NumRealChildren();

  virtual void InsertMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr* hdr);

  virtual void SetMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr* hdr);

  virtual nsMsgViewIndex FindMsgHdr(nsIMsgDBHdr* hdr);

  nsMsgKey m_threadKey;

  uint32_t m_numNewChildren;

  uint32_t m_numUnreadChildren;

  uint32_t m_flags;

  nsMsgKey m_threadRootKey;

  uint32_t m_newestMsgDate;

  nsTArray<nsMsgKey> m_keys;

  bool m_dummy;  // top level msg is a dummy, e.g., grouped by age.

  nsCOMPtr<nsIMsgDatabase> m_db;  // should we make a weak ref or just a ptr?

  nsMsgViewSortOrderValue m_sortOrder;

};

class nsMsgXFGroupThread : public nsMsgGroupThread {

 public:

  explicit nsMsgXFGroupThread(nsMsgViewSortOrderValue sortOrder);

  already_AddRefed<nsMsgXFGroupThread> Clone();

  NS_IMETHOD GetNumChildren(uint32_t* aNumChildren) override;

  NS_IMETHOD GetChildKeyAt(uint32_t aIndex, nsMsgKey* aResult) override;

  NS_IMETHOD GetChildHdrAt(uint32_t aIndex, nsIMsgDBHdr** aResult) override;

  NS_IMETHOD RemoveChildAt(uint32_t aIndex) override;

 protected:

  virtual ~nsMsgXFGroupThread();

  virtual void InsertMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr* hdr) override;

  virtual void SetMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr* hdr) override;

  virtual nsMsgViewIndex FindMsgHdr(nsIMsgDBHdr* hdr) override;

  virtual nsMsgViewIndex AddMsgHdrInDateOrder(nsIMsgDBHdr* child,

                                              nsMsgDBView* view) override;

  virtual nsMsgViewIndex GetInsertIndexFromView(

      nsMsgDBView* view, nsIMsgDBHdr* child,

      nsMsgViewSortOrderValue threadSortOrder) override;

  nsCOMArray<nsIMsgFolder> m_folders;

};