/* This file is part of the KDE libraries Copyright (C) 2002 Simon MacMullen This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <tqdict.h> #include <tqpixmap.h> #include <tqpainter.h> #include <tqbitmap.h> #include <tqimage.h> #include <kfileivi.h> #include <kfileitem.h> #include <kapplication.h> #include <kdirlister.h> #include <kstandarddirs.h> #include <kiconloader.h> #include <konq_settings.h> #include <klocale.h> #include <kdebug.h> #include "kivdirectoryoverlay.h" KIVDirectoryOverlay::KIVDirectoryOverlay(KFileIVI* directory) : m_lister(0), m_foundItems(false), m_containsFolder(false), m_popularIcons(0) { if (!m_lister) { m_lister = new KDirLister; m_lister->setAutoErrorHandlingEnabled(false, 0); connect(m_lister, TQT_SIGNAL(completed()), TQT_SLOT(slotCompleted())); connect(m_lister, TQT_SIGNAL(newItems( const KFileItemList& )), TQT_SLOT(slotNewItems( const KFileItemList& ))); m_lister->setShowingDotFiles(false); } m_directory = directory; } KIVDirectoryOverlay::~KIVDirectoryOverlay() { if (m_lister) m_lister->stop(); delete m_lister; delete m_popularIcons; } void KIVDirectoryOverlay::start() { if ( m_directory->item()->isReadable() ) { m_popularIcons = new TQDict<int>; m_popularIcons->setAutoDelete(true); m_lister->openURL(m_directory->item()->url()); } else { emit finished(); } } void KIVDirectoryOverlay::timerEvent(TQTimerEvent *) { m_lister->stop(); } void KIVDirectoryOverlay::slotCompleted() { if (!m_popularIcons) return; // Look through the histogram for the most popular mimetype TQDictIterator<int> currentIcon( (*m_popularIcons) ); unsigned int best = 0; unsigned int total = 0; for ( ; currentIcon.current(); ++currentIcon ) { unsigned int currentCount = (*currentIcon.current()); total += currentCount; if ( best < currentCount ) { best = currentCount; m_bestIcon = currentIcon.currentKey(); } } // Only show folder if there's no other candidate. Most folders contain // folders. We know this. if ( m_bestIcon.isNull() && m_containsFolder ) { m_bestIcon = "folder"; } if ( best * 2 < total ) { m_bestIcon = "kmultiple"; } if (!m_bestIcon.isNull()) { m_directory->setOverlay(m_bestIcon); } delete m_popularIcons; m_popularIcons = 0; emit finished(); } void KIVDirectoryOverlay::slotNewItems( const KFileItemList& items ) { if ( !m_popularIcons) return; KFileItemListIterator files( items ); KFileItem* file; for ( ; (file = files.current()) != 0; ++files ) { if ( file -> isFile() ) { TQString iconName = file -> iconName(); if (!iconName) continue; int* iconCount = m_popularIcons -> find( file -> iconName() ); if (!iconCount) { iconCount = new int(0); Q_ASSERT(file); m_popularIcons -> insert(file -> iconName(), iconCount); } (*iconCount)++; } else if ( file -> isDir() ) { m_containsFolder = true; } } m_foundItems = true; } #include "kivdirectoryoverlay.moc"