1 files changed, 51 insertions, 0 deletions
diff --git a/mailnews/base/src/nsMsgThreadedDBView.h b/mailnews/base/src/nsMsgThreadedDBView.h
new file mode 100644
index 000000000..948260c12
--- /dev/null
+++ b/mailnews/base/src/nsMsgThreadedDBView.h
@@ -0,0 +1,51 @@
+/* -*- 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, int32_t *pCount) override;
+  NS_IMETHOD CloneDBView(nsIMessenger *aMessengerInstance, nsIMsgWindow *aMsgWindow, nsIMsgDBViewCommandUpdater *aCommandUpdater, nsIMsgDBView **_retval) override;
+  NS_IMETHOD Close() override;
+  int32_t AddKeys(nsMsgKey *pKeys, int32_t *pFlags, const char *pLevels, nsMsgViewSortTypeValue sortType, int32_t numKeysToAdd);
+  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 *pCount);
+  virtual nsresult OnNewHeader(nsIMsgDBHdr *newHdr, nsMsgKey aParentKey, bool ensureListed) override;
+  virtual nsresult AddMsgToThreadNotInView(nsIMsgThread *threadHdr, nsIMsgDBHdr *msgHdr, bool ensureListed);
+  nsresult ListThreadIds(nsMsgKey *startMsg, bool unreadOnly, nsMsgKey *pOutput, int32_t *pFlags, char *pLevels, 
+                        int32_t numToList, int32_t *pNumListed, int32_t *pTotalHeaders);
+  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;
+  nsCOMPtr <nsISimpleEnumerator> m_threadEnumerator;
+};
+
+#endif