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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 "fprogressbar.hxx"
#include "global.hxx"
#include "progress.hxx"
#include <osl/diagnose.h>
#include <o3tl/make_unique.hxx>
ScfProgressBar::ScfProgressSegment::ScfProgressSegment( sal_Size nSize ) :
mnSize( nSize ),
mnPos( 0 )
{
}
ScfProgressBar::ScfProgressSegment::~ScfProgressSegment()
{
}
ScfProgressBar::ScfProgressBar( SfxObjectShell* pDocShell, const OUString& rText ) :
maText( rText )
{
Init( pDocShell );
}
ScfProgressBar::ScfProgressBar( SfxObjectShell* pDocShell, sal_uInt16 nResId ) :
maText( ScGlobal::GetRscString( nResId ) )
{
Init( pDocShell );
}
ScfProgressBar::ScfProgressBar( ScfProgressBar& rParProgress, ScfProgressSegment* pParSegment )
{
Init( rParProgress.mpDocShell );
mpParentProgress = &rParProgress;
mpParentSegment = pParSegment;
}
ScfProgressBar::~ScfProgressBar()
{
}
void ScfProgressBar::Init( SfxObjectShell* pDocShell )
{
mpDocShell = pDocShell;
mpParentProgress = nullptr;
mpParentSegment = mpCurrSegment = nullptr;
mnTotalSize = mnTotalPos = mnUnitSize = mnNextUnitPos = 0;
mnSysProgressScale = 1; // used to workaround the ULONG_MAX/100 limit
mbInProgress = false;
}
ScfProgressBar::ScfProgressSegment* ScfProgressBar::GetSegment( sal_Int32 nSegment )
{
if( nSegment < 0 )
return nullptr;
return maSegments.at( nSegment ).get();
}
void ScfProgressBar::SetCurrSegment( ScfProgressSegment* pSegment )
{
if( mpCurrSegment != pSegment )
{
mpCurrSegment = pSegment;
if( mpParentProgress && mpParentSegment )
{
mpParentProgress->SetCurrSegment( mpParentSegment );
}
else if( !mxSysProgress.get() && (mnTotalSize > 0) )
{
// System progress has an internal limit of ULONG_MAX/100.
mnSysProgressScale = 1;
sal_uLong nSysTotalSize = static_cast< sal_uLong >( mnTotalSize );
while( nSysTotalSize >= ULONG_MAX / 100 )
{
nSysTotalSize /= 2;
mnSysProgressScale *= 2;
}
mxSysProgress.reset( new ScProgress( mpDocShell, maText, nSysTotalSize, true ) );
}
if( !mbInProgress && mpCurrSegment && (mnTotalSize > 0) )
{
mnUnitSize = mnTotalSize / 256 + 1; // at most 256 calls of system progress
mnNextUnitPos = 0;
mbInProgress = true;
}
}
}
void ScfProgressBar::IncreaseProgressBar( sal_Size nDelta )
{
sal_Size nNewPos = mnTotalPos + nDelta;
// call back to parent progress bar
if( mpParentProgress && mpParentSegment )
{
// calculate new position of parent progress bar
sal_Size nParentPos = static_cast< sal_Size >(
static_cast< double >( nNewPos ) * mpParentSegment->mnSize / mnTotalSize );
mpParentProgress->ProgressAbs( nParentPos );
}
// modify system progress bar
else if( mxSysProgress.get() )
{
if( nNewPos >= mnNextUnitPos )
{
mnNextUnitPos = nNewPos + mnUnitSize;
mxSysProgress->SetState( static_cast< sal_uLong >( nNewPos / mnSysProgressScale ) );
}
}
else
{
OSL_FAIL( "ScfProgressBar::IncreaseProgressBar - no progress bar found" );
}
mnTotalPos = nNewPos;
}
sal_Int32 ScfProgressBar::AddSegment( sal_Size nSize )
{
OSL_ENSURE( !mbInProgress, "ScfProgressBar::AddSegment - already in progress mode" );
if( nSize == 0 )
return SCF_INV_SEGMENT;
maSegments.push_back( o3tl::make_unique<ScfProgressSegment>( nSize ) );
mnTotalSize += nSize;
return static_cast< sal_Int32 >( maSegments.size() - 1 );
}
ScfProgressBar& ScfProgressBar::GetSegmentProgressBar( sal_Int32 nSegment )
{
ScfProgressSegment* pSegment = GetSegment( nSegment );
OSL_ENSURE( !pSegment || (pSegment->mnPos == 0), "ScfProgressBar::GetSegmentProgressBar - segment already started" );
if( pSegment && (pSegment->mnPos == 0) )
{
if( !pSegment->mxProgress.get() )
pSegment->mxProgress.reset( new ScfProgressBar( *this, pSegment ) );
return *pSegment->mxProgress;
}
return *this;
}
bool ScfProgressBar::IsFull() const
{
OSL_ENSURE( mbInProgress && mpCurrSegment, "ScfProgressBar::IsFull - no segment started" );
return mpCurrSegment && (mpCurrSegment->mnPos >= mpCurrSegment->mnSize);
}
void ScfProgressBar::ActivateSegment( sal_Int32 nSegment )
{
OSL_ENSURE( mnTotalSize > 0, "ScfProgressBar::ActivateSegment - progress range is zero" );
if( mnTotalSize > 0 )
SetCurrSegment( GetSegment( nSegment ) );
}
void ScfProgressBar::ProgressAbs( sal_Size nPos )
{
OSL_ENSURE( mbInProgress && mpCurrSegment, "ScfProgressBar::ProgressAbs - no segment started" );
if( mpCurrSegment )
{
OSL_ENSURE( mpCurrSegment->mnPos <= nPos, "ScfProgressBar::ProgressAbs - delta pos < 0" );
OSL_ENSURE( nPos <= mpCurrSegment->mnSize, "ScfProgressBar::ProgressAbs - segment overflow" );
if( (mpCurrSegment->mnPos < nPos) && (nPos <= mpCurrSegment->mnSize) )
{
IncreaseProgressBar( nPos - mpCurrSegment->mnPos );
mpCurrSegment->mnPos = nPos;
}
}
}
void ScfProgressBar::Progress( sal_Size nDelta )
{
ProgressAbs( mpCurrSegment ? (mpCurrSegment->mnPos + nDelta) : 0 );
}
ScfSimpleProgressBar::ScfSimpleProgressBar( sal_Size nSize, SfxObjectShell* pDocShell, const OUString& rText ) :
maProgress( pDocShell, rText )
{
Init( nSize );
}
ScfSimpleProgressBar::ScfSimpleProgressBar( sal_Size nSize, SfxObjectShell* pDocShell, sal_uInt16 nResId ) :
maProgress( pDocShell, nResId )
{
Init( nSize );
}
void ScfSimpleProgressBar::Init( sal_Size nSize )
{
sal_Int32 nSegment = maProgress.AddSegment( nSize );
if( nSegment >= 0 )
maProgress.ActivateSegment( nSegment );
}
ScfStreamProgressBar::ScfStreamProgressBar( SvStream& rStrm, SfxObjectShell* pDocShell, sal_uInt16 nResId ) :
mrStrm( rStrm )
{
Init( pDocShell, ScGlobal::GetRscString( nResId ) );
}
void ScfStreamProgressBar::Progress()
{
mxProgress->ProgressAbs( mrStrm.Tell() );
}
void ScfStreamProgressBar::Init( SfxObjectShell* pDocShell, const OUString& rText )
{
sal_Size nPos = mrStrm.Tell();
mrStrm.Seek( STREAM_SEEK_TO_END );
sal_Size nSize = mrStrm.Tell();
mrStrm.Seek( nPos );
mxProgress.reset( new ScfSimpleProgressBar( nSize, pDocShell, rText ) );
Progress();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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