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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <saltimer.hxx>
class WinSalTimer final : public SalTimer, protected VersionedEvent
{
// for access to Impl* functions
friend LRESULT CALLBACK SalComWndProc( HWND, UINT nMsg, WPARAM wParam, LPARAM lParam, bool& rDef );
// for access to GetNextVersionedEvent
friend void CALLBACK SalTimerProc( PVOID data, BOOLEAN );
// for access to ImplHandleElapsedTimer
friend bool ImplSalYield( bool bWait, bool bHandleAllCurrentEvents );
/**
* Identifier for our SetTimer based timer
*/
static constexpr UINT_PTR m_aWmTimerId = 0xdeadbeef;
HANDLE m_nTimerId; ///< Windows timer id
bool m_bDirectTimeout; ///< timeout can be processed directly
bool m_bForceRealTimer; ///< enforce using a real timer for 0ms
bool m_bSetTimerRunning; ///< true, if a SetTimer is running
void ImplStart( sal_uInt64 nMS );
void ImplStop();
void ImplHandleTimerEvent( WPARAM aWPARAM );
void ImplHandleElapsedTimer();
void ImplHandle_WM_TIMER( WPARAM aWPARAM );
public:
WinSalTimer();
virtual ~WinSalTimer() override;
virtual void Start(sal_uInt64 nMS) override;
virtual void Stop() override;
inline bool IsDirectTimeout() const;
inline bool HasTimerElapsed() const;
/**
* Enforces the usage of a real timer instead of the message queue
*
* Needed for Window resize processing, as this starts a modal event loop.
*/
void SetForceRealTimer( bool bVal );
inline bool GetForceRealTimer() const;
};
inline bool WinSalTimer::IsDirectTimeout() const
{
return m_bDirectTimeout;
}
inline bool WinSalTimer::HasTimerElapsed() const
{
return m_bDirectTimeout || ExistsValidEvent();
}
inline bool WinSalTimer::GetForceRealTimer() const
{
return m_bForceRealTimer;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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