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/base/search/src/nsMsgSearchSession.h | 98 +++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 mailnews/base/search/src/nsMsgSearchSession.h

(limited to 'mailnews/base/search/src/nsMsgSearchSession.h')

diff --git a/mailnews/base/search/src/nsMsgSearchSession.h b/mailnews/base/search/src/nsMsgSearchSession.h
new file mode 100644
index 000000000..d5d62654f
--- /dev/null
+++ b/mailnews/base/search/src/nsMsgSearchSession.h
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 4; 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 nsMsgSearchSession_h___
+#define nsMsgSearchSession_h___
+
+#include "nscore.h"
+#include "nsMsgSearchCore.h"
+#include "nsIMsgSearchSession.h"
+#include "nsIUrlListener.h"
+#include "nsIMsgWindow.h"
+#include "nsITimer.h"
+// Disable deprecation warnings generated by nsISupportsArray and associated
+// classes.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#elif defined(_MSC_VER)
+#pragma warning (disable : 4996)
+#endif
+#include "nsISupportsArray.h"
+#include "nsCOMArray.h"
+#include "nsWeakReference.h"
+#include "nsTObserverArray.h"
+
+class nsMsgSearchAdapter;
+class nsMsgSearchBoolExpression;
+class nsMsgSearchScopeTerm;
+
+class nsMsgSearchSession : public nsIMsgSearchSession, public nsIUrlListener, public nsSupportsWeakReference
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIMSGSEARCHSESSION
+  NS_DECL_NSIURLLISTENER
+
+  nsMsgSearchSession();
+
+protected:
+  virtual ~nsMsgSearchSession();
+
+  nsWeakPtr m_msgWindowWeak;
+  nsresult Initialize();
+  nsresult StartTimer();
+  nsresult TimeSlice (bool *aDone);
+  nsMsgSearchScopeTerm *GetRunningScope();
+  void StopRunning();
+  nsresult BeginSearching();
+  nsresult DoNextSearch();
+  nsresult SearchWOUrls ();
+  nsresult GetNextUrl();
+  nsresult NotifyListenersDone(nsresult status);
+  void EnableFolderNotifications(bool aEnable);
+  void ReleaseFolderDBRef();
+
+  nsTArray<RefPtr<nsMsgSearchScopeTerm>> m_scopeList;
+  nsCOMPtr <nsISupportsArray> m_termList;
+
+  nsTArray<nsCOMPtr<nsIMsgSearchNotify> > m_listenerList;
+  nsTArray<int32_t> m_listenerFlagList;
+  /**
+   * Iterator index for m_listenerList/m_listenerFlagList.  We used to use an
+   * nsTObserverArray for m_listenerList but its auto-adjusting iterator was
+   * not helping us keep our m_listenerFlagList iterator correct.
+   *
+   * We are making the simplifying assumption that our notifications are
+   * non-reentrant.  In the exceptional case that it turns out they are
+   * reentrant, we assume that this is the result of canceling a search while
+   * the session is active and initiating a new one.  In that case, we assume
+   * the outer iteration can safely be abandoned.
+   *
+   * This value is defined to be the index of the next listener we will process.
+   * This allows us to use the sentinel value of -1 to convey that no iteration
+   * is in progress (and the iteration process to abort if the value transitions
+   * to -1, which we always set on conclusion of our loop).
+   */
+  int32_t m_iListener;
+
+  void DestroyTermList ();
+  void DestroyScopeList ();
+
+  static void TimerCallback(nsITimer *aTimer, void *aClosure);
+  // support for searching multiple scopes in serial
+  nsresult TimeSliceSerial (bool *aDone);
+  nsresult TimeSliceParallel ();
+
+  nsMsgSearchAttribValue m_sortAttribute;
+  uint32_t m_idxRunningScope;
+  nsMsgSearchType m_searchType;
+  bool m_handlingError;
+  nsCString m_runningUrl;     // The url for the current search
+  nsCOMPtr <nsITimer> m_backgroundTimer;
+  bool m_searchPaused;
+  nsMsgSearchBoolExpression *m_expressionTree;
+};
+
+#endif
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