From 302bf1b523012e11b60425d6eee1221ebc2724eb Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sun, 3 Nov 2019 00:17:46 -0400
Subject: Issue #1258 - Part 1: Import mailnews, ldap, and mork from
 comm-esr52.9.1

---
 mailnews/imap/src/nsAutoSyncState.h | 107 ++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 mailnews/imap/src/nsAutoSyncState.h

(limited to 'mailnews/imap/src/nsAutoSyncState.h')

diff --git a/mailnews/imap/src/nsAutoSyncState.h b/mailnews/imap/src/nsAutoSyncState.h
new file mode 100644
index 000000000..c28c10d60
--- /dev/null
+++ b/mailnews/imap/src/nsAutoSyncState.h
@@ -0,0 +1,107 @@
+/* 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 nsAutoSyncState_h__
+#define nsAutoSyncState_h__
+
+#include "MailNewsTypes.h"
+#include "nsIAutoSyncState.h"
+#include "nsIAutoSyncManager.h" 
+#include "nsIUrlListener.h"
+#include "nsWeakPtr.h"
+#include "nsTHashtable.h"
+#include "nsHashKeys.h"
+#include "nsTArray.h"
+#include "prlog.h"
+#include "nsIWeakReferenceUtils.h"
+
+class nsImapMailFolder;
+class nsIAutoSyncMsgStrategy;
+class nsIMsgDatabase;
+
+/**
+ * An adaptor class to make msg strategy nsTArray.Sort()
+ * compatible.
+ */
+class MsgStrategyComparatorAdaptor 
+{
+ public:
+  MsgStrategyComparatorAdaptor(nsIAutoSyncMsgStrategy* aStrategy, 
+    nsIMsgFolder *aFolder, nsIMsgDatabase *aDatabase);
+
+  /** @return True if the elements are equals; false otherwise. */
+  bool Equals(const nsMsgKey& a, const nsMsgKey& b) const;
+  
+  /** @return True if (a < b); false otherwise. */
+  bool LessThan(const nsMsgKey& a, const nsMsgKey& b) const;
+  
+ private:
+  MsgStrategyComparatorAdaptor();
+  
+ private:
+  nsIAutoSyncMsgStrategy *mStrategy;
+  nsIMsgFolder *mFolder;
+  nsIMsgDatabase *mDatabase;
+};
+
+
+/**
+ * Facilitates auto-sync capabilities for imap folders.
+ */
+class nsAutoSyncState final : public nsIAutoSyncState, public nsIUrlListener
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIAUTOSYNCSTATE
+  NS_DECL_NSIURLLISTENER
+
+  nsAutoSyncState(nsImapMailFolder *aOwnerFolder, PRTime aLastSyncTime = 0UL);
+
+  /// Called by owner folder when new headers are fetched from the server
+  void OnNewHeaderFetchCompleted(const nsTArray<nsMsgKey> &aMsgKeyList);
+
+  /// Sets the last sync time in lower precision (seconds)
+  void SetLastSyncTimeInSec(int32_t aLastSyncTime);
+
+  /// Manages storage space for auto-sync operations 
+  nsresult ManageStorageSpace();
+
+  void SetServerCounts(int32_t total, int32_t recent, int32_t unseen,
+                       int32_t nextUID);
+
+ private:
+  ~nsAutoSyncState();
+  
+  nsresult PlaceIntoDownloadQ(const nsTArray<nsMsgKey> &aMsgKeyList);
+  nsresult SortQueueBasedOnStrategy(nsTArray<nsMsgKey> &aQueue);
+  nsresult SortSubQueueBasedOnStrategy(nsTArray<nsMsgKey> &aQueue, 
+                                    uint32_t aStartingOffset);
+
+  void LogOwnerFolderName(const char *s);
+  void LogQWithSize(nsTArray<nsMsgKey>& q, uint32_t toOffset = 0);
+  void LogQWithSize(nsIMutableArray *q, uint32_t toOffset = 0);
+
+ private:
+  int32_t mSyncState;
+  nsWeakPtr mOwnerFolder;
+  uint32_t mOffset;
+  uint32_t mLastOffset;
+
+  // used to tell if the Server counts have changed.
+  int32_t mLastServerTotal;
+  int32_t mLastServerRecent;
+  int32_t mLastServerUnseen;
+  int32_t mLastNextUID;
+
+  PRTime mLastSyncTime;
+  PRTime mLastUpdateTime;
+  uint32_t mProcessPointer;
+  bool mIsDownloadQChanged;
+  uint32_t mRetryCounter;
+  nsTHashtable<nsUint32HashKey> mDownloadSet;
+  nsTArray<nsMsgKey> mDownloadQ;
+  nsTArray<nsMsgKey> mExistingHeadersQ;
+};
+
+#endif
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