nsMsgThreadedDBView.h

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/* -*- 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/. */

#ifndef _nsMsgThreadedDBView_H_

#define _nsMsgThreadedDBView_H_

#include "mozilla/Attributes.h"

#include "nsMsgGroupView.h"

class nsMsgThreadedDBView : public nsMsgGroupView {

 public:

  nsMsgThreadedDBView();

  virtual ~nsMsgThreadedDBView();

  NS_IMETHOD Open(nsIMsgFolder* folder, nsMsgViewSortTypeValue sortType,

                  nsMsgViewSortOrderValue sortOrder,

                  nsMsgViewFlagsTypeValue viewFlags) override;

  NS_IMETHOD CloneDBView(nsIMessenger* aMessengerInstance,

                         nsIMsgWindow* aMsgWindow,

                         nsIMsgDBViewCommandUpdater* aCommandUpdater,

                         nsIMsgDBView** _retval) override;

  NS_IMETHOD Close() override;

  NS_IMETHOD Sort(nsMsgViewSortTypeValue sortType,

                  nsMsgViewSortOrderValue sortOrder) override;

  NS_IMETHOD GetViewType(nsMsgViewTypeValue* aViewType) override;

  NS_IMETHOD OnParentChanged(nsMsgKey aKeyChanged, nsMsgKey oldParent,

                             nsMsgKey newParent,

                             nsIDBChangeListener* aInstigator) override;

 protected:

  virtual const char* GetViewName(void) override { return "ThreadedDBView"; }

  nsresult InitThreadedView(int32_t& count);

  virtual nsresult OnNewHeader(nsIMsgDBHdr* newHdr, nsMsgKey aParentKey,

                               bool ensureListed) override;

  virtual nsresult AddMsgToThreadNotInView(nsIMsgThread* threadHdr,

                                           nsIMsgDBHdr* msgHdr,

                                           bool ensureListed);

  nsresult InitSort(nsMsgViewSortTypeValue sortType,

                    nsMsgViewSortOrderValue sortOrder);

  virtual nsresult SortThreads(nsMsgViewSortTypeValue sortType,

                               nsMsgViewSortOrderValue sortOrder);

  virtual void OnExtraFlagChanged(nsMsgViewIndex index,

                                  uint32_t extraFlag) override;

  virtual void OnHeaderAddedOrDeleted() override;

  void ClearPrevIdArray();

  virtual nsresult RemoveByIndex(nsMsgViewIndex index) override;

  nsMsgViewIndex GetInsertInfoForNewHdr(nsIMsgDBHdr* newHdr,

                                        nsMsgViewIndex threadIndex,

                                        int32_t targetLevel);

  void MoveThreadAt(nsMsgViewIndex threadIndex);

  // these are used to save off the previous view so that bopping back and forth

  // between two views is quick (e.g., threaded and flat sorted by date).

  bool m_havePrevView;

  nsTArray<nsMsgKey> m_prevKeys;  // this is used for caching non-threaded view.

  nsTArray<uint32_t> m_prevFlags;

  nsTArray<uint8_t> m_prevLevels;

};

#endif