Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 513 insertions, 0 deletions

diff --git a/mailnews/base/src/nsMsgDBView.h b/mailnews/base/src/nsMsgDBView.h
new file mode 100644
index 000000000..6dcbbea3b
--- /dev/null
+++ b/mailnews/base/src/nsMsgDBView.h
@@ -0,0 +1,513 @@
+/* -*- 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 _nsMsgDBView_H_
+#define _nsMsgDBView_H_
+
+#include "nsIMsgDBView.h"
+#include "nsIMsgWindow.h"
+#include "nsIMessenger.h"
+#include "nsIMsgDatabase.h"
+#include "nsIMsgHdr.h"
+#include "MailNewsTypes.h"
+#include "nsIDBChangeListener.h"
+#include "nsITreeView.h"
+#include "nsITreeBoxObject.h"
+#include "nsITreeSelection.h"
+#include "nsIMsgFolder.h"
+#include "nsIMsgThread.h"
+#include "nsIDateTimeFormat.h"
+#include "nsIDOMElement.h"
+#include "nsIAtom.h"
+#include "nsIImapIncomingServer.h"
+#include "nsIWeakReference.h"
+#include "nsIMsgFilterPlugin.h"
+#include "nsIStringBundle.h"
+#include "nsMsgTagService.h"
+#include "nsCOMArray.h"
+#include "nsTArray.h"
+#include "nsTHashtable.h"
+#include "nsHashKeys.h"
+#include "nsIMsgCustomColumnHandler.h"
+#include "nsAutoPtr.h"
+#include "nsIWeakReferenceUtils.h"
+#define MESSENGER_STRING_URL       "chrome://messenger/locale/messenger.properties"
+
+typedef AutoTArray<nsMsgViewIndex, 1> nsMsgViewIndexArray;
+static_assert(nsMsgViewIndex(nsMsgViewIndexArray::NoIndex) ==
+  nsMsgViewIndex_None, "These need to be the same value.");
+
+enum eFieldType {
+    kCollationKey,
+    kU32
+};
+
+// this is used in an nsTArray<> to keep track of a multi-column sort
+class MsgViewSortColumnInfo
+{
+public:
+  MsgViewSortColumnInfo(const MsgViewSortColumnInfo &other);
+  MsgViewSortColumnInfo() {}
+  bool operator == (const MsgViewSortColumnInfo &other) const;
+  nsMsgViewSortTypeValue mSortType;
+  nsMsgViewSortOrderValue mSortOrder;
+  // if mSortType == byCustom, info about the custom column sort
+  nsString mCustomColumnName;
+  nsCOMPtr <nsIMsgCustomColumnHandler> mColHandler;
+} ;
+
+// reserve the top 8 bits in the msg flags for the view-only flags.
+#define MSG_VIEW_FLAGS 0xEE000000
+#define MSG_VIEW_FLAG_HASCHILDREN 0x40000000
+#define MSG_VIEW_FLAG_DUMMY 0x20000000
+#define MSG_VIEW_FLAG_ISTHREAD 0x8000000
+#define MSG_VIEW_FLAG_OUTGOING 0x2000000
+#define MSG_VIEW_FLAG_INCOMING 0x1000000
+
+/* There currently only 5 labels defined */
+#define PREF_LABELS_MAX 5
+#define PREF_LABELS_DESCRIPTION  "mailnews.labels.description."
+#define PREF_LABELS_COLOR  "mailnews.labels.color."
+
+#define LABEL_COLOR_STRING " lc-"
+#define LABEL_COLOR_WHITE_STRING "#FFFFFF"
+
+struct IdUint32
+{
+  nsMsgKey    id;
+  uint32_t    bits;
+  uint32_t    dword;
+  nsIMsgFolder* folder;
+};
+
+struct IdKey : public IdUint32
+{
+  // actually a variable length array, whose actual size is determined
+  // when the struct is allocated.
+  uint8_t     key[1];
+};
+
+struct IdKeyPtr : public IdUint32
+{
+  uint8_t     *key;
+};
+
+// This is an abstract implementation class.
+// The actual view objects will be instances of sub-classes of this class
+class nsMsgDBView : public nsIMsgDBView, public nsIDBChangeListener,
+                    public nsITreeView,
+                    public nsIJunkMailClassificationListener
+{
+public:
+  nsMsgDBView();
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIMSGDBVIEW
+  NS_DECL_NSIDBCHANGELISTENER
+  NS_DECL_NSITREEVIEW
+  NS_DECL_NSIJUNKMAILCLASSIFICATIONLISTENER
+
+  nsMsgViewIndex GetInsertIndexHelper(nsIMsgDBHdr *msgHdr, nsTArray<nsMsgKey> &keys,
+                                      nsCOMArray<nsIMsgFolder> *folders,
+                                        nsMsgViewSortOrderValue sortOrder,
+                                        nsMsgViewSortTypeValue sortType);
+  int32_t  SecondarySort(nsMsgKey key1, nsISupports *folder1, nsMsgKey key2, nsISupports *folder2,
+                         class viewSortInfo *comparisonContext);
+
+protected:
+  virtual ~nsMsgDBView();
+
+  static nsrefcnt gInstanceCount;
+
+  static char16_t* kHighestPriorityString;
+  static char16_t* kHighPriorityString;
+  static char16_t* kLowestPriorityString;
+  static char16_t* kLowPriorityString;
+  static char16_t* kNormalPriorityString;
+
+  static nsIAtom* kJunkMsgAtom;
+  static nsIAtom* kNotJunkMsgAtom;
+
+  static char16_t* kReadString;
+  static char16_t* kRepliedString;
+  static char16_t* kForwardedString;
+  static char16_t* kNewString;
+
+  nsCOMPtr<nsITreeBoxObject> mTree;
+  nsCOMPtr<nsITreeSelection> mTreeSelection;
+  uint32_t mNumSelectedRows; // we cache this to determine when to push command status notifications.
+  bool           mSuppressMsgDisplay; // set when the message pane is collapsed
+  bool           mSuppressCommandUpdating;
+  bool           mRemovingRow; // set when we're telling the outline a row is being removed. used to suppress msg loading.
+                        // during delete/move operations.
+  bool          mCommandsNeedDisablingBecauseOfSelection;
+  bool          mSuppressChangeNotification;
+  bool          mGoForwardEnabled;
+  bool          mGoBackEnabled;
+  
+  virtual const char * GetViewName(void) {return "MsgDBView"; }
+  nsresult FetchAuthor(nsIMsgDBHdr * aHdr, nsAString &aAuthorString);
+  nsresult FetchRecipients(nsIMsgDBHdr * aHdr, nsAString &aRecipientsString);
+  nsresult FetchSubject(nsIMsgDBHdr * aMsgHdr, uint32_t aFlags, nsAString &aValue);
+  nsresult FetchDate(nsIMsgDBHdr * aHdr, nsAString & aDateString, bool rcvDate = false);
+  nsresult FetchStatus(uint32_t aFlags, nsAString &aStatusString);
+  nsresult FetchSize(nsIMsgDBHdr * aHdr, nsAString & aSizeString);
+  nsresult FetchPriority(nsIMsgDBHdr *aHdr, nsAString & aPriorityString);
+  nsresult FetchLabel(nsIMsgDBHdr *aHdr, nsAString & aLabelString);
+  nsresult FetchTags(nsIMsgDBHdr *aHdr, nsAString & aTagString);
+  nsresult FetchKeywords(nsIMsgDBHdr *aHdr, nsACString & keywordString);
+  nsresult FetchRowKeywords(nsMsgViewIndex aRow, nsIMsgDBHdr *aHdr,
+                            nsACString & keywordString);
+  nsresult FetchAccount(nsIMsgDBHdr * aHdr, nsAString& aAccount);
+  bool IsOutgoingMsg(nsIMsgDBHdr * aHdr);
+  nsresult CycleThreadedColumn(nsIDOMElement * aElement);
+
+  // The default enumerator is over the db, but things like
+  // quick search views will enumerate just the displayed messages.
+  virtual nsresult GetMessageEnumerator(nsISimpleEnumerator **enumerator);
+  // this is a message enumerator that enumerates based on the view contents
+  virtual nsresult GetViewEnumerator(nsISimpleEnumerator **enumerator);
+
+  // Save and Restore Selection are a pair of routines you should
+  // use when performing an operation which is going to change the view
+  // and you want to remember the selection. (i.e. for sorting). 
+  // Call SaveAndClearSelection and we'll give you an array of msg keys for
+  // the current selection. We also freeze and clear the selection. 
+  // When you are done changing the view, 
+  // call RestoreSelection passing in the same array
+  // and we'll restore the selection AND unfreeze selection in the UI.
+  nsresult SaveAndClearSelection(nsMsgKey *aCurrentMsgKey, nsTArray<nsMsgKey> &aMsgKeyArray);
+  nsresult RestoreSelection(nsMsgKey aCurrentmsgKey, nsTArray<nsMsgKey> &aMsgKeyArray);
+
+  // this is not safe to use when you have a selection
+  // RowCountChanged() will call AdjustSelection() 
+  // it should be called after SaveAndClearSelection() and before
+  // RestoreSelection()
+  nsresult AdjustRowCount(int32_t rowCountBeforeSort, int32_t rowCountAfterSort);
+
+  nsresult GetSelectedIndices(nsMsgViewIndexArray& selection);
+  nsresult GenerateURIForMsgKey(nsMsgKey aMsgKey, nsIMsgFolder *folder, nsACString &aURI);
+// routines used in building up view
+  virtual bool WantsThisThread(nsIMsgThread * thread);
+  virtual nsresult AddHdr(nsIMsgDBHdr *msgHdr, nsMsgViewIndex *resultIndex = nullptr);
+  bool GetShowingIgnored() {return (m_viewFlags & nsMsgViewFlagsType::kShowIgnored) != 0;}
+  bool OperateOnMsgsInCollapsedThreads();
+
+  virtual nsresult OnNewHeader(nsIMsgDBHdr *aNewHdr, nsMsgKey parentKey, bool ensureListed);
+  virtual nsMsgViewIndex GetInsertIndex(nsIMsgDBHdr *msgHdr);
+  nsMsgViewIndex GetIndexForThread(nsIMsgDBHdr *hdr);
+  nsMsgViewIndex GetThreadRootIndex(nsIMsgDBHdr *msgHdr);
+  virtual nsresult GetMsgHdrForViewIndex(nsMsgViewIndex index, nsIMsgDBHdr **msgHdr);
+  // given a view index, return the index of the top-level msg in the thread.
+  nsMsgViewIndex GetThreadIndex(nsMsgViewIndex msgIndex);
+
+  virtual void InsertMsgHdrAt(nsMsgViewIndex index, nsIMsgDBHdr *hdr,
+                              nsMsgKey msgKey, uint32_t flags, uint32_t level);
+  virtual void SetMsgHdrAt(nsIMsgDBHdr *hdr, nsMsgViewIndex index, 
+                              nsMsgKey msgKey, uint32_t flags, uint32_t level);
+  virtual bool InsertEmptyRows(nsMsgViewIndex viewIndex, int32_t numRows);
+  virtual void RemoveRows(nsMsgViewIndex viewIndex, int32_t numRows);
+  nsresult ToggleExpansion(nsMsgViewIndex index, uint32_t *numChanged);
+  nsresult ExpandByIndex(nsMsgViewIndex index, uint32_t *pNumExpanded);
+  nsresult CollapseByIndex(nsMsgViewIndex index, uint32_t *pNumCollapsed);
+  nsresult ExpandAll();
+  nsresult CollapseAll();
+  nsresult ExpandAndSelectThread();
+
+  // helper routines for thread expanding and collapsing.
+  nsresult GetThreadCount(nsMsgViewIndex viewIndex, uint32_t *pThreadCount);
+  /**
+   * Retrieve the view index of the first displayed message in the given thread.
+   * @param threadHdr The thread you care about.
+   * @param allowDummy Should dummy headers be returned when the non-dummy
+   *     header is available?  If the root node of the thread is a dummy header
+   *     and you pass false, then we will return the first child of the thread
+   *     unless the thread is elided, in which case we will return the root.
+   *     If you pass true, we will always return the root.
+   * @return the view index of the first message in the thread, if any.
+   */
+  nsMsgViewIndex GetIndexOfFirstDisplayedKeyInThread(nsIMsgThread *threadHdr,
+      bool allowDummy=false);
+  virtual nsresult GetFirstMessageHdrToDisplayInThread(nsIMsgThread *threadHdr, nsIMsgDBHdr **result);
+  virtual nsMsgViewIndex ThreadIndexOfMsg(nsMsgKey msgKey,
+                            nsMsgViewIndex msgIndex = nsMsgViewIndex_None,
+                            int32_t *pThreadCount = nullptr,
+                            uint32_t *pFlags = nullptr);
+  nsMsgViewIndex ThreadIndexOfMsgHdr(nsIMsgDBHdr *msgHdr,
+                                 nsMsgViewIndex msgIndex = nsMsgViewIndex_None,
+                                 int32_t *pThreadCount = nullptr,
+                                 uint32_t *pFlags = nullptr);
+  nsMsgKey GetKeyOfFirstMsgInThread(nsMsgKey key);
+  int32_t CountExpandedThread(nsMsgViewIndex index);
+  virtual  nsresult ExpansionDelta(nsMsgViewIndex index, int32_t *expansionDelta);
+  void ReverseSort();
+  void ReverseThreads();
+  nsresult SaveSortInfo(nsMsgViewSortTypeValue sortType, nsMsgViewSortOrderValue sortOrder);
+  nsresult RestoreSortInfo();
+  nsresult PersistFolderInfo(nsIDBFolderInfo **dbFolderInfo);
+  void     SetMRUTimeForFolder(nsIMsgFolder *folder);
+
+  nsMsgKey  GetAt(nsMsgViewIndex index)
+                  {return m_keys.SafeElementAt(index, nsMsgKey_None);}
+  nsMsgViewIndex FindViewIndex(nsMsgKey  key)
+     {return FindKey(key, false);}
+  /**
+   * Find the message header if it is visible in this view.  (Messages in
+   *     threads/groups that are elided will not be
+   * @param msgHdr Message header to look for.
+   * @param startIndex The index to start looking from.
+   * @param allowDummy Are dummy headers acceptable?  If yes, then for a group
+   *     with a dummy header, we return the root of the thread (the dummy
+   *     header), otherwise we return the actual "content" header for the
+   *     message.
+   * @return The view index of the header found, if any.
+   */
+  virtual nsMsgViewIndex FindHdr(nsIMsgDBHdr *msgHdr, nsMsgViewIndex startIndex = 0,
+                                 bool allowDummy=false);
+  virtual nsMsgViewIndex FindKey(nsMsgKey key, bool expand);
+  virtual nsresult GetDBForViewIndex(nsMsgViewIndex index, nsIMsgDatabase **db);
+  virtual nsCOMArray<nsIMsgFolder>* GetFolders();
+  virtual nsresult GetFolderFromMsgURI(const char *aMsgURI, nsIMsgFolder **aFolder);
+
+  virtual nsresult ListIdsInThread(nsIMsgThread *threadHdr, nsMsgViewIndex viewIndex, uint32_t *pNumListed);
+  nsresult ListUnreadIdsInThread(nsIMsgThread *threadHdr, nsMsgViewIndex startOfThreadViewIndex, uint32_t *pNumListed);
+  nsMsgViewIndex FindParentInThread(nsMsgKey parentKey, nsMsgViewIndex startOfThreadViewIndex);
+  virtual nsresult ListIdsInThreadOrder(nsIMsgThread *threadHdr,
+                                        nsMsgKey parentKey, uint32_t level,
+                                        nsMsgViewIndex *viewIndex,
+                                        uint32_t *pNumListed);
+  uint32_t GetSize(void) {return(m_keys.Length());}
+
+  // notification api's
+  void  NoteStartChange(nsMsgViewIndex firstlineChanged, int32_t numChanged,
+                        nsMsgViewNotificationCodeValue changeType);
+  void  NoteEndChange(nsMsgViewIndex firstlineChanged, int32_t numChanged,
+                        nsMsgViewNotificationCodeValue changeType);
+
+  // for commands
+  virtual nsresult ApplyCommandToIndices(nsMsgViewCommandTypeValue command, nsMsgViewIndex* indices,
+                                         int32_t numIndices);
+  virtual nsresult ApplyCommandToIndicesWithFolder(nsMsgViewCommandTypeValue command, nsMsgViewIndex* indices,
+                    int32_t numIndices, nsIMsgFolder *destFolder);
+  virtual nsresult CopyMessages(nsIMsgWindow *window, nsMsgViewIndex *indices, int32_t numIndices, bool isMove, nsIMsgFolder *destFolder);
+  virtual nsresult DeleteMessages(nsIMsgWindow *window, nsMsgViewIndex *indices, int32_t numIndices, bool deleteStorage);
+  nsresult GetHeadersFromSelection(uint32_t *indices, uint32_t numIndices, nsIMutableArray *messageArray);
+  virtual nsresult ListCollapsedChildren(nsMsgViewIndex viewIndex,
+                                         nsIMutableArray *messageArray);
+
+  nsresult SetMsgHdrJunkStatus(nsIJunkMailPlugin *aJunkPlugin,
+                               nsIMsgDBHdr *aMsgHdr,
+                               nsMsgJunkStatus aNewClassification);
+  nsresult ToggleReadByIndex(nsMsgViewIndex index);
+  nsresult SetReadByIndex(nsMsgViewIndex index, bool read);
+  nsresult SetThreadOfMsgReadByIndex(nsMsgViewIndex index, nsTArray<nsMsgKey> &keysMarkedRead, bool read);
+  nsresult SetFlaggedByIndex(nsMsgViewIndex index, bool mark);
+  nsresult SetLabelByIndex(nsMsgViewIndex index, nsMsgLabelValue label);
+  nsresult OrExtraFlag(nsMsgViewIndex index, uint32_t orflag);
+  nsresult AndExtraFlag(nsMsgViewIndex index, uint32_t andflag);
+  nsresult SetExtraFlag(nsMsgViewIndex index, uint32_t extraflag);
+  virtual nsresult RemoveByIndex(nsMsgViewIndex index);
+  virtual void OnExtraFlagChanged(nsMsgViewIndex /*index*/, uint32_t /*extraFlag*/) {}
+  virtual void OnHeaderAddedOrDeleted() {}	
+  nsresult ToggleWatched( nsMsgViewIndex* indices,	int32_t numIndices);
+  nsresult SetThreadWatched(nsIMsgThread *thread, nsMsgViewIndex index, bool watched);
+  nsresult SetThreadIgnored(nsIMsgThread *thread, nsMsgViewIndex threadIndex, bool ignored);
+  nsresult SetSubthreadKilled(nsIMsgDBHdr *header, nsMsgViewIndex msgIndex, bool ignored);
+  nsresult DownloadForOffline(nsIMsgWindow *window, nsMsgViewIndex *indices, int32_t numIndices);
+  nsresult DownloadFlaggedForOffline(nsIMsgWindow *window);
+  nsMsgViewIndex	GetThreadFromMsgIndex(nsMsgViewIndex index, nsIMsgThread **threadHdr);
+  /// Should junk commands be enabled for the current message in the view?
+  bool JunkControlsEnabled(nsMsgViewIndex aViewIndex);
+
+  // for sorting
+  nsresult GetFieldTypeAndLenForSort(nsMsgViewSortTypeValue sortType,
+                                        uint16_t *pMaxLen,
+                                        eFieldType *pFieldType,
+                                        nsIMsgCustomColumnHandler* colHandler = nullptr);
+  nsresult GetCollationKey(nsIMsgDBHdr *msgHdr,
+                             nsMsgViewSortTypeValue sortType,
+                             uint8_t **result,
+                             uint32_t *len,
+                             nsIMsgCustomColumnHandler* colHandler = nullptr);
+  nsresult GetLongField(nsIMsgDBHdr *msgHdr,
+                          nsMsgViewSortTypeValue sortType,
+                          uint32_t *result,
+                          nsIMsgCustomColumnHandler* colHandler = nullptr);
+
+  static int FnSortIdKey(const void *pItem1, const void *pItem2, void *privateData);
+  static int FnSortIdKeyPtr(const void *pItem1, const void *pItem2, void *privateData);
+  static int FnSortIdUint32(const void *pItem1, const void *pItem2, void *privateData);
+
+  nsresult GetStatusSortValue(nsIMsgDBHdr *msgHdr, uint32_t *result);
+  nsresult GetLocationCollationKey(nsIMsgDBHdr *msgHdr, uint8_t **result, uint32_t *len);
+  void PushSort(const MsgViewSortColumnInfo &newSort);
+  nsresult EncodeColumnSort(nsString &columnSortString);
+  nsresult DecodeColumnSort(nsString &columnSortString);
+  // for view navigation
+  nsresult NavigateFromPos(nsMsgNavigationTypeValue motion, nsMsgViewIndex startIndex, nsMsgKey *pResultKey, 
+              nsMsgViewIndex *pResultIndex, nsMsgViewIndex *pThreadIndex, bool wrap);
+  nsresult FindNextFlagged(nsMsgViewIndex startIndex, nsMsgViewIndex *pResultIndex);
+  nsresult FindFirstNew(nsMsgViewIndex *pResultIndex);
+  nsresult FindPrevUnread(nsMsgKey startKey, nsMsgKey *pResultKey, nsMsgKey *resultThreadId);
+  nsresult FindFirstFlagged(nsMsgViewIndex *pResultIndex);
+  nsresult FindPrevFlagged(nsMsgViewIndex startIndex, nsMsgViewIndex *pResultIndex);
+  nsresult MarkThreadOfMsgRead(nsMsgKey msgId, nsMsgViewIndex msgIndex, nsTArray<nsMsgKey> &idsMarkedRead, bool bRead);
+  nsresult MarkThreadRead(nsIMsgThread *threadHdr, nsMsgViewIndex threadIndex, nsTArray<nsMsgKey> &idsMarkedRead, bool bRead);
+  bool IsValidIndex(nsMsgViewIndex index);
+  nsresult ToggleIgnored(nsMsgViewIndex * indices, int32_t numIndices, nsMsgViewIndex *resultIndex, bool *resultToggleState);
+  nsresult ToggleMessageKilled(nsMsgViewIndex * indices, int32_t numIndices, nsMsgViewIndex *resultIndex, bool *resultToggleState);
+  bool OfflineMsgSelected(nsMsgViewIndex * indices, int32_t numIndices);
+  bool NonDummyMsgSelected(nsMsgViewIndex * indices, int32_t numIndices);
+  char16_t * GetString(const char16_t *aStringName);
+  nsresult GetPrefLocalizedString(const char *aPrefName, nsString& aResult);
+  nsresult GetLabelPrefStringAndAtom(const char *aPrefName, nsString& aColor, nsIAtom** aColorAtom);
+  nsresult AppendKeywordProperties(const nsACString& keywords, nsAString& properties, bool addSelectedTextProperty);
+  nsresult InitLabelStrings(void);
+  nsresult CopyDBView(nsMsgDBView *aNewMsgDBView, nsIMessenger *aMessengerInstance, nsIMsgWindow *aMsgWindow, nsIMsgDBViewCommandUpdater *aCmdUpdater);
+  void InitializeAtomsAndLiterals();
+  virtual int32_t FindLevelInThread(nsIMsgDBHdr *msgHdr, nsMsgViewIndex startOfThread, nsMsgViewIndex viewIndex);
+  nsresult GetImapDeleteModel(nsIMsgFolder *folder);
+  nsresult UpdateDisplayMessage(nsMsgViewIndex viewPosition);
+  nsresult GetDBForHeader(nsIMsgDBHdr *msgHdr, nsIMsgDatabase **db);
+
+  bool AdjustReadFlag(nsIMsgDBHdr *msgHdr, uint32_t *msgFlags);
+  void FreeAll(nsTArray<void*> *ptrs);
+  void ClearHdrCache();
+  nsTArray<nsMsgKey> m_keys;
+  nsTArray<uint32_t> m_flags;
+  nsTArray<uint8_t> m_levels;
+  nsMsgImapDeleteModel mDeleteModel;
+
+  // cache the most recently asked for header and corresponding msgKey.
+  nsCOMPtr <nsIMsgDBHdr>  m_cachedHdr;
+  nsMsgKey                m_cachedMsgKey;
+
+  // we need to store the message key for the message we are currenty displaying to ensure we
+  // don't try to redisplay the same message just because the selection changed (i.e. after a sort)
+  nsMsgKey                m_currentlyDisplayedMsgKey;
+  nsCString               m_currentlyDisplayedMsgUri;
+  nsMsgViewIndex          m_currentlyDisplayedViewIndex;
+  // if we're deleting messages, we want to hold off loading messages on selection changed until the delete is done
+  // and we want to batch notifications.
+  bool m_deletingRows;
+  // for certain special folders 
+  // and decendents of those folders
+  // (like the "Sent" folder, "Sent/Old Sent")
+  // the Sender column really shows recipients.
+
+  // Server types for this view's folder
+  bool mIsNews;             // we have special icons for news
+  bool mIsRss;              // rss affects enabling of junk commands
+  bool mIsXFVirtual;        // a virtual folder with multiple folders
+
+  bool mShowSizeInLines;    // for news we show lines instead of size when true
+  bool mSortThreadsByRoot;  // as opposed to by the newest message
+  bool m_sortValid;
+  bool m_checkedCustomColumns;
+  bool mSelectionSummarized;
+  // we asked the front end to summarize the selection and it did not.
+  bool mSummarizeFailed;
+  uint8_t      m_saveRestoreSelectionDepth;
+
+  nsCOMPtr <nsIMsgDatabase> m_db;
+  nsCOMPtr <nsIMsgFolder> m_folder;
+  nsCOMPtr <nsIMsgFolder> m_viewFolder; // for virtual folders, the VF db.
+  nsString mMessageType;
+  nsTArray <MsgViewSortColumnInfo> m_sortColumns;
+  nsMsgViewSortTypeValue  m_sortType;
+  nsMsgViewSortOrderValue m_sortOrder;
+  nsString m_curCustomColumn;
+  nsMsgViewSortTypeValue m_secondarySort;
+  nsMsgViewSortOrderValue m_secondarySortOrder;
+  nsString m_secondaryCustomColumn;
+  nsMsgViewFlagsTypeValue m_viewFlags;
+
+  // I18N date formatter service which we'll want to cache locally.
+  nsCOMPtr<nsIDateTimeFormat> mDateFormatter;
+  nsCOMPtr<nsIMsgTagService> mTagService;
+  nsWeakPtr mMessengerWeak;
+  nsWeakPtr mMsgWindowWeak;
+  nsCOMPtr<nsIMsgDBViewCommandUpdater> mCommandUpdater; // we push command update notifications to the UI from this.
+  nsCOMPtr<nsIStringBundle> mMessengerStringBundle;  
+
+  // used for the preference labels
+  nsString mLabelPrefDescriptions[PREF_LABELS_MAX];
+  nsString mLabelPrefColors[PREF_LABELS_MAX];
+  // used to cache the atoms created for each color to be displayed
+  static nsIAtom* mLabelPrefColorAtoms[PREF_LABELS_MAX];
+
+  // used to determine when to start and end
+  // junk plugin batches
+  uint32_t mNumMessagesRemainingInBatch;
+
+  // these are the headers of the messages in the current
+  // batch/series of batches of messages manually marked
+  // as junk
+  nsCOMPtr<nsIMutableArray> mJunkHdrs;
+  
+  nsTArray<uint32_t> mIndicesToNoteChange;
+
+  nsTHashtable<nsCStringHashKey> mEmails;
+
+  // the saved search views keep track of the XX most recently deleted msg ids, so that if the 
+  // delete is undone, we can add the msg back to the search results, even if it no longer
+  // matches the search criteria (e.g., a saved search over unread messages).
+  // We use mRecentlyDeletedArrayIndex to treat the array as a list of the XX
+  // most recently deleted msgs.
+  nsTArray<nsCString> mRecentlyDeletedMsgIds;
+  uint32_t mRecentlyDeletedArrayIndex;
+  void RememberDeletedMsgHdr(nsIMsgDBHdr *msgHdr);
+  bool WasHdrRecentlyDeleted(nsIMsgDBHdr *msgHdr);
+  
+  //these hold pointers (and IDs) for the nsIMsgCustomColumnHandler object that constitutes the custom column handler
+  nsCOMArray <nsIMsgCustomColumnHandler> m_customColumnHandlers;
+  nsTArray<nsString> m_customColumnHandlerIDs;
+  
+  nsIMsgCustomColumnHandler* GetColumnHandler(const char16_t*);
+  nsIMsgCustomColumnHandler* GetCurColumnHandler();
+  bool CustomColumnsInSortAndNotRegistered();
+  void EnsureCustomColumnsValid();
+
+#ifdef DEBUG_David_Bienvenu
+void InitEntryInfoForIndex(nsMsgViewIndex i, IdKeyPtr &EntryInfo);
+void ValidateSort();
+#endif
+
+protected:
+  static nsresult   InitDisplayFormats();
+
+private:
+  static nsDateFormatSelector  m_dateFormatDefault;
+  static nsDateFormatSelector  m_dateFormatThisWeek;
+  static nsDateFormatSelector  m_dateFormatToday;
+  bool ServerSupportsFilterAfterTheFact();
+
+  nsresult PerformActionsOnJunkMsgs(bool msgsAreJunk);
+  nsresult DetermineActionsForJunkChange(bool msgsAreJunk,
+                                         nsIMsgFolder *srcFolder,
+                                         bool &moveMessages,
+                                         bool &changeReadState,
+                                         nsIMsgFolder** targetFolder);
+
+  class nsMsgViewHdrEnumerator final : public nsISimpleEnumerator
+  {
+  public:
+    NS_DECL_ISUPPORTS
+
+    // nsISimpleEnumerator methods:
+    NS_DECL_NSISIMPLEENUMERATOR
+
+    // nsMsgThreadEnumerator methods:
+    nsMsgViewHdrEnumerator(nsMsgDBView *view);
+
+    RefPtr<nsMsgDBView> m_view;
+    nsMsgViewIndex m_curHdrIndex;
+
+  private:
+    ~nsMsgViewHdrEnumerator();
+  };
+};
+
+#endif