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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 _nsMsgSearchDBViews_H_
#define _nsMsgSearchDBViews_H_

#include "mozilla/Attributes.h"
#include "nsMsgGroupView.h"
#include "nsIMsgCopyServiceListener.h"
#include "nsIMsgSearchNotify.h"
#include "nsMsgXFViewThread.h"
#include "nsCOMArray.h"
#include "mozilla/UniquePtr.h"

class nsMsgSearchDBView : public nsMsgGroupView, public nsIMsgCopyServiceListener, public nsIMsgSearchNotify
{
public:
  nsMsgSearchDBView();

  // these are tied together pretty intimately
  friend class nsMsgXFViewThread;

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIMSGSEARCHNOTIFY
  NS_DECL_NSIMSGCOPYSERVICELISTENER

  NS_IMETHOD SetSearchSession(nsIMsgSearchSession *aSearchSession) override;

  virtual const char *GetViewName(void) override { return "SearchView"; }
  NS_IMETHOD Open(nsIMsgFolder *folder, nsMsgViewSortTypeValue sortType, nsMsgViewSortOrderValue sortOrder, 
        nsMsgViewFlagsTypeValue viewFlags, int32_t *pCount) override;
  NS_IMETHOD CloneDBView(nsIMessenger *aMessengerInstance, nsIMsgWindow *aMsgWindow,
                         nsIMsgDBViewCommandUpdater *aCmdUpdater, nsIMsgDBView **_retval) override;
  NS_IMETHOD CopyDBView(nsMsgDBView *aNewMsgDBView, nsIMessenger *aMessengerInstance, 
                        nsIMsgWindow *aMsgWindow, nsIMsgDBViewCommandUpdater *aCmdUpdater) override;
  NS_IMETHOD Close() override;
  NS_IMETHOD GetViewType(nsMsgViewTypeValue *aViewType) override;
  NS_IMETHOD Sort(nsMsgViewSortTypeValue sortType,
                  nsMsgViewSortOrderValue sortOrder) override;
  NS_IMETHOD GetCommandStatus(nsMsgViewCommandTypeValue command,
                              bool *selectable_p,
                              nsMsgViewCommandCheckStateValue *selected_p) override;
  NS_IMETHOD DoCommand(nsMsgViewCommandTypeValue command) override;
  NS_IMETHOD DoCommandWithFolder(nsMsgViewCommandTypeValue command, nsIMsgFolder *destFolder) override;
  NS_IMETHOD GetHdrForFirstSelectedMessage(nsIMsgDBHdr **hdr) override;
  NS_IMETHOD OpenWithHdrs(nsISimpleEnumerator *aHeaders, 
                          nsMsgViewSortTypeValue aSortType,
                          nsMsgViewSortOrderValue aSortOrder, 
                          nsMsgViewFlagsTypeValue aViewFlags,
                          int32_t *aCount) override;
  NS_IMETHOD OnHdrDeleted(nsIMsgDBHdr *aHdrDeleted, nsMsgKey aParentKey, 
                          int32_t aFlags, nsIDBChangeListener *aInstigator) override;
  NS_IMETHOD OnHdrFlagsChanged(nsIMsgDBHdr *aHdrChanged, uint32_t aOldFlags,
                               uint32_t aNewFlags, nsIDBChangeListener *aInstigator) override;
  NS_IMETHOD GetNumMsgsInView(int32_t *aNumMsgs) override;
  // override to get location
  NS_IMETHOD GetCellText(int32_t aRow, nsITreeColumn* aCol, nsAString& aValue) override;
  virtual nsresult GetMsgHdrForViewIndex(nsMsgViewIndex index, nsIMsgDBHdr **msgHdr) override;
  virtual nsresult OnNewHeader(nsIMsgDBHdr *newHdr, nsMsgKey parentKey, bool ensureListed) override;
  NS_IMETHOD GetFolderForViewIndex(nsMsgViewIndex index, nsIMsgFolder **folder) override;

  NS_IMETHOD OnAnnouncerGoingAway(nsIDBChangeAnnouncer *instigator) override;

  virtual nsCOMArray<nsIMsgFolder>* GetFolders() override;
  virtual nsresult GetFolderFromMsgURI(const char *aMsgURI, nsIMsgFolder **aFolder) override;

  NS_IMETHOD GetThreadContainingMsgHdr(nsIMsgDBHdr *msgHdr, nsIMsgThread **pThread) override;

protected:
  virtual ~nsMsgSearchDBView();
  virtual void InternalClose() override;
  virtual nsresult HashHdr(nsIMsgDBHdr *msgHdr, nsString& aHashKey) override;
  virtual nsresult ListIdsInThread(nsIMsgThread *threadHdr, 
                                   nsMsgViewIndex startOfThreadViewIndex, 
                                   uint32_t *pNumListed) override;
  nsresult FetchLocation(int32_t aRow, nsAString& aLocationString);
  virtual nsresult AddHdrFromFolder(nsIMsgDBHdr *msgHdr, nsIMsgFolder *folder);
  virtual nsresult GetDBForViewIndex(nsMsgViewIndex index, nsIMsgDatabase **db) override;
  virtual nsresult RemoveByIndex(nsMsgViewIndex index) override;
  virtual nsresult CopyMessages(nsIMsgWindow *window, nsMsgViewIndex *indices, int32_t numIndices, bool isMove, nsIMsgFolder *destFolder) override;
  virtual nsresult DeleteMessages(nsIMsgWindow *window, nsMsgViewIndex *indices, int32_t numIndices, bool deleteStorage) override;
  virtual void InsertMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr *hdr,
                              nsMsgKey msgKey, uint32_t flags, uint32_t level) override;
  virtual void SetMsgHdrAt(nsIMsgDBHdr *hdr, nsMsgViewIndex index,
                              nsMsgKey msgKey, uint32_t flags, uint32_t level) override;
  virtual bool InsertEmptyRows(nsMsgViewIndex viewIndex, int32_t numRows) override;
  virtual void RemoveRows(nsMsgViewIndex viewIndex, int32_t numRows) override;
  virtual nsMsgViewIndex FindHdr(nsIMsgDBHdr *msgHdr, nsMsgViewIndex startIndex = 0,
                                 bool allowDummy=false) override;
  nsresult GetFoldersAndHdrsForSelection(nsMsgViewIndex *indices, int32_t numIndices);
  nsresult GroupSearchResultsByFolder();
  nsresult PartitionSelectionByFolder(nsMsgViewIndex *indices,
                                      int32_t numIndices,
                                      mozilla::UniquePtr<nsTArray<uint32_t>[]> &indexArrays,
                                      int32_t *numArrays);

  virtual nsresult ApplyCommandToIndicesWithFolder(nsMsgViewCommandTypeValue command, nsMsgViewIndex* indices,
                    int32_t numIndices, nsIMsgFolder *destFolder) override;
  void MoveThreadAt(nsMsgViewIndex threadIndex);
  
  virtual nsresult GetMessageEnumerator(nsISimpleEnumerator **enumerator) override;
  virtual nsresult InsertHdrFromFolder(nsIMsgDBHdr *msgHdr, nsIMsgFolder *folder);

  nsCOMArray<nsIMsgFolder> m_folders;
  nsCOMArray<nsIMutableArray> m_hdrsForEachFolder;
  nsCOMArray<nsIMsgFolder> m_uniqueFoldersSelected;
  uint32_t mCurIndex;

  nsMsgViewIndex* mIndicesForChainedDeleteAndFile;
  int32_t mTotalIndices;
  nsCOMArray<nsIMsgDatabase> m_dbToUseList;
  nsMsgViewCommandTypeValue mCommand;
  nsCOMPtr <nsIMsgFolder> mDestFolder;
  nsWeakPtr m_searchSession;

  nsresult ProcessRequestsInOneFolder(nsIMsgWindow *window);
  nsresult ProcessRequestsInAllFolders(nsIMsgWindow *window);
  // these are for doing threading of the search hits

  // used for assigning thread id's to xfview threads.
  nsMsgKey m_nextThreadId;
  // this maps message-ids and reference message ids to
  // the corresponding nsMsgXFViewThread object. If we're 
  // doing subject threading, we would throw subjects
  // into the same table.
  nsInterfaceHashtable <nsCStringHashKey, nsIMsgThread> m_threadsTable;

  // map message-ids to msg hdrs in the view, used for threading.
  nsInterfaceHashtable <nsCStringHashKey, nsIMsgDBHdr> m_hdrsTable;
  uint32_t m_totalMessagesInView;

  virtual nsMsgGroupThread *CreateGroupThread(nsIMsgDatabase *db) override;
  nsresult GetXFThreadFromMsgHdr(nsIMsgDBHdr *msgHdr, nsIMsgThread **pThread,
                                 bool *foundByMessageId = nullptr);
  bool     GetThreadFromHash(nsCString &reference, nsIMsgThread **thread);
  bool     GetMsgHdrFromHash(nsCString &reference, nsIMsgDBHdr **hdr);
  nsresult AddRefToHash(nsCString &reference, nsIMsgThread *thread);
  nsresult AddMsgToHashTables(nsIMsgDBHdr *msgHdr, nsIMsgThread *thread);
  nsresult RemoveRefFromHash(nsCString &reference);
  nsresult RemoveMsgFromHashTables(nsIMsgDBHdr *msgHdr);
  nsresult InitRefHash();
};

#endif