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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 .
*/
#include <sfx2/app.hxx>
#include <sfx2/objsh.hxx>
#include <sfx2/progress.hxx>
#include <sfx2/docfile.hxx>
#include <sfx2/sfxsids.hrc>
#include <svl/eitem.hxx>
#include <svl/itemset.hxx>
#define SC_PROGRESS_CXX
#include "progress.hxx"
#include "document.hxx"
#include "global.hxx"
#include "globstr.hrc"
using namespace com::sun::star;
static ScProgress theDummyInterpretProgress;
SfxProgress* ScProgress::pGlobalProgress = NULL;
sal_uLong ScProgress::nGlobalRange = 0;
sal_uLong ScProgress::nGlobalPercent = 0;
bool ScProgress::bGlobalNoUserBreak = true;
ScProgress* ScProgress::pInterpretProgress = &theDummyInterpretProgress;
ScProgress* ScProgress::pOldInterpretProgress = NULL;
sal_uLong ScProgress::nInterpretProgress = 0;
bool ScProgress::bAllowInterpretProgress = true;
ScDocument* ScProgress::pInterpretDoc;
bool ScProgress::bIdleWasEnabled = false;
static bool lcl_IsHiddenDocument( SfxObjectShell* pObjSh )
{
if (pObjSh)
{
SfxMedium* pMed = pObjSh->GetMedium();
if (pMed)
{
SfxItemSet* pSet = pMed->GetItemSet();
const SfxPoolItem* pItem;
if ( pSet && SfxItemState::SET == pSet->GetItemState( SID_HIDDEN, true, &pItem ) &&
static_cast<const SfxBoolItem*>(pItem)->GetValue() )
return true;
}
}
return false;
}
static bool lcl_HasControllersLocked( SfxObjectShell& rObjSh )
{
uno::Reference<frame::XModel> xModel( rObjSh.GetBaseModel() );
if (xModel.is())
return xModel->hasControllersLocked();
return false;
}
ScProgress::ScProgress( SfxObjectShell* pObjSh, const OUString& rText,
sal_uLong nRange, bool bAllDocs, bool bWait )
{
if ( pGlobalProgress || SfxProgress::GetActiveProgress( NULL ) )
{
if ( lcl_IsHiddenDocument(pObjSh) )
{
// loading a hidden document while a progress is active is possible - no error
pProgress = NULL;
}
else
{
OSL_FAIL( "ScProgress: there can be only one!" );
pProgress = NULL;
}
}
else if ( SfxGetpApp()->IsDowning() )
{
// This happens. E.g. when saving the clipboard-content as OLE when closing the app.
// In this case a SfxProgress would produce dirt in memory.
//! Should that be this way ???
pProgress = NULL;
}
else if ( pObjSh && ( pObjSh->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED ||
pObjSh->GetProgress() ||
lcl_HasControllersLocked(*pObjSh) ) )
{
// no own progress for embedded objects,
// no second progress if the document already has one
pProgress = NULL;
}
else
{
pProgress = new SfxProgress( pObjSh, rText, nRange, bAllDocs, bWait );
pGlobalProgress = pProgress;
nGlobalRange = nRange;
nGlobalPercent = 0;
bGlobalNoUserBreak = true;
}
}
ScProgress::ScProgress() :
pProgress( NULL )
{ // DummyInterpret
}
ScProgress::~ScProgress()
{
if ( pProgress )
{
delete pProgress;
pGlobalProgress = NULL;
nGlobalRange = 0;
nGlobalPercent = 0;
bGlobalNoUserBreak = true;
}
}
void ScProgress::CreateInterpretProgress( ScDocument* pDoc, bool bWait )
{
if ( bAllowInterpretProgress )
{
if ( nInterpretProgress )
nInterpretProgress++;
else if ( pDoc->GetAutoCalc() )
{
nInterpretProgress = 1;
bIdleWasEnabled = pDoc->IsIdleEnabled();
pDoc->EnableIdle(false);
// Interpreter may be called in many circumstances, also if another
// progress bar is active, for example while adapting row heights.
// Keep the dummy interpret progress.
if ( !pGlobalProgress )
pInterpretProgress = new ScProgress( pDoc->GetDocumentShell(),
ScGlobal::GetRscString( STR_PROGRESS_CALCULATING ),
pDoc->GetFormulaCodeInTree()/MIN_NO_CODES_PER_PROGRESS_UPDATE, false, bWait );
pInterpretDoc = pDoc;
}
}
}
void ScProgress::DeleteInterpretProgress()
{
if ( bAllowInterpretProgress && nInterpretProgress )
{
/* Do not decrement 'nInterpretProgress', before 'pInterpretProgress'
is deleted. In rare cases, deletion of 'pInterpretProgress' causes
a refresh of the sheet window which may call CreateInterpretProgress
and DeleteInterpretProgress again (from Output::DrawStrings),
resulting in double deletion of 'pInterpretProgress'. */
if ( nInterpretProgress == 1 )
{
if ( pInterpretProgress != &theDummyInterpretProgress )
{
// move pointer to local temporary to avoid double deletion
ScProgress* pTmpProgress = pInterpretProgress;
pInterpretProgress = &theDummyInterpretProgress;
delete pTmpProgress;
}
if ( pInterpretDoc )
pInterpretDoc->EnableIdle(bIdleWasEnabled);
}
--nInterpretProgress;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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