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libreoffice/sc/source/ui/docshell/autostyl.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

191 lines
5.4 KiB
C++

/* -*- 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 .
*/
#include <time.h>
#include <osl/diagnose.h>
#include <address.hxx>
#include <autostyl.hxx>
#include <docsh.hxx>
static sal_uLong TimeNow() // seconds
{
return static_cast<sal_uLong>(time(nullptr));
}
namespace {
class FindByRange
{
ScRange maRange;
public:
explicit FindByRange(const ScRange& r) : maRange(r) {}
bool operator() (const ScAutoStyleData& rData) const { return rData.aRange == maRange; }
};
class FindByTimeout
{
sal_uLong mnTimeout;
public:
explicit FindByTimeout(sal_uLong n) : mnTimeout(n) {}
bool operator() (const ScAutoStyleData& rData) const { return rData.nTimeout >= mnTimeout; }
};
struct FindNonZeroTimeout
{
bool operator() (const ScAutoStyleData& rData) const
{
return rData.nTimeout != 0;
}
};
}
ScAutoStyleList::ScAutoStyleList(ScDocShell* pShell)
: pDocSh(pShell)
, aTimer("ScAutoStyleList Timer")
, aInitIdle("ScAutoStyleList InitIdle")
, nTimerStart(0)
{
aTimer.SetInvokeHandler( LINK( this, ScAutoStyleList, TimerHdl ) );
aInitIdle.SetInvokeHandler( LINK( this, ScAutoStyleList, InitHdl ) );
aInitIdle.SetPriority( TaskPriority::HIGHEST );
}
ScAutoStyleList::~ScAutoStyleList()
{
}
// initial short delay (asynchronous call)
void ScAutoStyleList::AddInitial( const ScRange& rRange, const OUString& rStyle1,
sal_uLong nTimeout, const OUString& rStyle2 )
{
aInitials.emplace_back( rRange, rStyle1, nTimeout, rStyle2 );
aInitIdle.Start();
}
IMPL_LINK_NOARG(ScAutoStyleList, InitHdl, Timer *, void)
{
std::vector<ScAutoStyleInitData> aLocalInitials(std::move(aInitials));
for (const auto& rInitial : aLocalInitials)
{
// apply first style immediately
pDocSh->DoAutoStyle(rInitial.aRange, rInitial.aStyle1);
// add second style to list
if (rInitial.nTimeout)
AddEntry(rInitial.nTimeout, rInitial.aRange, rInitial.aStyle2 );
}
}
void ScAutoStyleList::AddEntry( sal_uLong nTimeout, const ScRange& rRange, const OUString& rStyle )
{
aTimer.Stop();
sal_uLong nNow = TimeNow();
// Remove the first item with the same range.
std::vector<ScAutoStyleData>::iterator itr =
::std::find_if(aEntries.begin(), aEntries.end(), FindByRange(rRange));
if (itr != aEntries.end())
aEntries.erase(itr);
// adjust timeouts of all entries
if (!aEntries.empty() && nNow != nTimerStart)
{
OSL_ENSURE(nNow>nTimerStart, "Time is running backwards?");
AdjustEntries((nNow-nTimerStart)*1000);
}
// find insert position
std::vector<ScAutoStyleData>::iterator iter =
::std::find_if(aEntries.begin(), aEntries.end(), FindByTimeout(nTimeout));
aEntries.insert(iter, ScAutoStyleData(nTimeout,rRange,rStyle));
// execute expired, restart timer
ExecuteEntries();
StartTimer(nNow);
}
void ScAutoStyleList::AdjustEntries( sal_uLong nDiff ) // milliseconds
{
for (auto& rEntry : aEntries)
{
if (rEntry.nTimeout <= nDiff)
rEntry.nTimeout = 0; // expired
else
rEntry.nTimeout -= nDiff; // continue counting
}
}
void ScAutoStyleList::ExecuteEntries()
{
// Execute and remove all items with timeout == 0 from the begin position
// until the first item with non-zero timeout value.
std::vector<ScAutoStyleData>::iterator itr = aEntries.begin(), itrEnd = aEntries.end();
for (; itr != itrEnd; ++itr)
{
if (itr->nTimeout)
break;
pDocSh->DoAutoStyle(itr->aRange, itr->aStyle);
}
// At this point itr should be on the first item with non-zero timeout, or
// the end position in case all items have timeout == 0.
aEntries.erase(aEntries.begin(), itr);
}
void ScAutoStyleList::ExecuteAllNow()
{
aTimer.Stop();
for (const auto& rEntry : aEntries)
pDocSh->DoAutoStyle(rEntry.aRange, rEntry.aStyle);
aEntries.clear();
}
void ScAutoStyleList::StartTimer( sal_uLong nNow ) // seconds
{
// find first entry with Timeout != 0
std::vector<ScAutoStyleData>::iterator iter =
::std::find_if(aEntries.begin(),aEntries.end(), FindNonZeroTimeout());
if (iter != aEntries.end())
{
aTimer.SetTimeout(iter->nTimeout);
aTimer.Start();
}
nTimerStart = nNow;
}
IMPL_LINK_NOARG(ScAutoStyleList, TimerHdl, Timer *, void)
{
sal_uLong nNow = TimeNow();
AdjustEntries(aTimer.GetTimeout()); // the set waiting time
ExecuteEntries();
StartTimer(nNow);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */