1 files changed, 87 insertions, 0 deletions
diff --git a/mailnews/base/src/nsMsgGroupThread.h b/mailnews/base/src/nsMsgGroupThread.h
new file mode 100644
index 000000000..3d1cb4fb4
--- /dev/null
+++ b/mailnews/base/src/nsMsgGroupThread.h
@@ -0,0 +1,87 @@
+/* -*- 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;
+
+  nsMsgGroupThread();
+  nsMsgGroupThread(nsIMsgDatabase *db);
+
+  NS_DECL_NSIMSGTHREAD
+  NS_DECL_ISUPPORTS
+
+protected:
+  virtual ~nsMsgGroupThread();
+
+  void      Init();
+  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 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_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?
+};
+
+class nsMsgXFGroupThread : public nsMsgGroupThread
+{
+public:
+  nsMsgXFGroupThread();
+
+  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;
+};
+