45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <svtools/svtdllapi.h>
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#include <osl/time.h>
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#include <rtl/ustring.hxx>
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#include <vcl/timer.hxx>
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#include <functional>
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/** Periodically checks if a file has been modified
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Instances of this class setup a vcl timer to occasionally wake up
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check whether file modification time has changed.
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*/
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class SVT_DLLPUBLIC FileChangedChecker
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{
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private:
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Timer mTimer;
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OUString mFileName;
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TimeValue mLastModTime;
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::std::function<void ()> mpCallback;
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bool SVT_DLLPRIVATE getCurrentModTime(TimeValue& o_rValue) const;
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DECL_DLLPRIVATE_LINK(TimerHandler, Timer *, void);
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public:
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void resetTimer();
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// bUpdate = true when file has changed, get the return and the object get the new time
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// = false when file has changed, only get the return, not change the object
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bool hasFileChanged(bool bUpdate = true);
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FileChangedChecker(OUString aFilename,
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::std::function<void ()> aCallback);
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// without Timer function
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FileChangedChecker(OUString aFilename);
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};
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