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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "CompositionMmapper.h"
#include "misc/Debug.h"
#include <kstddirs.h>
#include "base/Composition.h"
#include "base/Segment.h"
#include "document/RosegardenGUIDoc.h"
#include "gui/application/RosegardenApplication.h"
#include "SegmentMmapperFactory.h"
#include "SegmentMmapper.h"
#include <kglobal.h>
#include <tqdir.h>
#include <tqfile.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <stdint.h>
namespace Rosegarden
{
CompositionMmapper::CompositionMmapper(RosegardenGUIDoc *doc)
: m_doc(doc)
{
cleanup();
SETQMAN_DEBUG << "CompositionMmapper() - doc = " << doc << endl;
Composition &comp = m_doc->getComposition();
for (Composition::iterator it = comp.begin(); it != comp.end(); it++) {
Track* track = comp.getTrackById((*it)->getTrack());
// check to see if track actually exists
//
if (track == 0)
continue;
mmapSegment(*it);
}
}
CompositionMmapper::~CompositionMmapper()
{
SETQMAN_DEBUG << "~CompositionMmapper()\n";
//
// Clean up possible left-overs
//
cleanup();
for (segmentmmapers::iterator i = m_segmentMmappers.begin();
i != m_segmentMmappers.end(); ++i)
delete i->second;
}
void CompositionMmapper::cleanup()
{
// In case the sequencer is still running, mapping some segments
//
rgapp->sequencerSend("closeAllSegments()");
// Erase all 'segment_*' files
//
TQString tmpPath = TDEGlobal::dirs()->resourceDirs("tmp").last();
TQDir segmentsDir(tmpPath, "segment_*");
for (unsigned int i = 0; i < segmentsDir.count(); ++i) {
TQString segmentName = tmpPath + '/' + segmentsDir[i];
SETQMAN_DEBUG << "CompositionMmapper : cleaning up " << segmentName << endl;
TQFile::remove
(segmentName);
}
}
bool CompositionMmapper::segmentModified(Segment* segment)
{
SegmentMmapper* mmapper = m_segmentMmappers[segment];
if (!mmapper)
return false; // this can happen with the SegmentSplitCommand, where the new segment's transpose is set
// even though it's not mapped yet
SETQMAN_DEBUG << "CompositionMmapper::segmentModified(" << segment << ") - mmapper = "
<< mmapper << endl;
return mmapper->refresh();
}
void CompositionMmapper::segmentAdded(Segment* segment)
{
SETQMAN_DEBUG << "CompositionMmapper::segmentAdded(" << segment << ")\n";
mmapSegment(segment);
}
void CompositionMmapper::segmentDeleted(Segment* segment)
{
SETQMAN_DEBUG << "CompositionMmapper::segmentDeleted(" << segment << ")\n";
SegmentMmapper* mmapper = m_segmentMmappers[segment];
m_segmentMmappers.erase(segment);
SETQMAN_DEBUG << "CompositionMmapper::segmentDeleted() : deleting SegmentMmapper " << mmapper << endl;
delete mmapper;
}
void CompositionMmapper::mmapSegment(Segment* segment)
{
SETQMAN_DEBUG << "CompositionMmapper::mmapSegment(" << segment << ")\n";
SegmentMmapper* mmapper = SegmentMmapperFactory::makeMmapperForSegment(m_doc,
segment,
makeFileName(segment));
if (mmapper)
m_segmentMmappers[segment] = mmapper;
}
TQString CompositionMmapper::makeFileName(Segment* segment)
{
TQStringList tmpDirs = TDEGlobal::dirs()->resourceDirs("tmp");
return TQString("%1/segment_%2")
.arg(tmpDirs.last())
.arg((uintptr_t)segment, 0, 16);
}
TQString CompositionMmapper::getSegmentFileName(Segment* s)
{
SegmentMmapper* mmapper = m_segmentMmappers[s];
if (mmapper)
return mmapper->getFileName();
else
return TQString();
}
size_t CompositionMmapper::getSegmentFileSize(Segment* s)
{
SegmentMmapper* mmapper = m_segmentMmappers[s];
if (mmapper)
return mmapper->getFileSize();
else
return 0;
}
}
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