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/* -*- 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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