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-rw-r--r--libkonq/kivdirectoryoverlay.cc141
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diff --git a/libkonq/kivdirectoryoverlay.cc b/libkonq/kivdirectoryoverlay.cc
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+/* 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 <qdict.h>
+#include <qpixmap.h>
+#include <qpainter.h>
+#include <qbitmap.h>
+#include <qimage.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, SIGNAL(completed()), SLOT(slotCompleted()));
+ connect(m_lister, SIGNAL(newItems( const KFileItemList& )), 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 QDict<int>;
+ m_popularIcons->setAutoDelete(true);
+ m_lister->openURL(m_directory->item()->url());
+ } else {
+ emit finished();
+ }
+}
+
+void KIVDirectoryOverlay::timerEvent(QTimerEvent *)
+{
+ m_lister->stop();
+}
+
+void KIVDirectoryOverlay::slotCompleted()
+{
+ if (!m_popularIcons) return;
+
+ // Look through the histogram for the most popular mimetype
+ QDictIterator<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() ) {
+
+ QString 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"