kivdirectoryoverlay.cc00001
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00020 #include <qdict.h>
00021 #include <qpixmap.h>
00022 #include <qpainter.h>
00023 #include <qbitmap.h>
00024 #include <qimage.h>
00025
00026 #include <kfileivi.h>
00027 #include <kfileitem.h>
00028 #include <kapplication.h>
00029 #include <kdirlister.h>
00030 #include <kstandarddirs.h>
00031 #include <kiconloader.h>
00032 #include <konq_settings.h>
00033 #include <klocale.h>
00034 #include <kdebug.h>
00035
00036 #include "kivdirectoryoverlay.h"
00037
00038 KIVDirectoryOverlay::KIVDirectoryOverlay(KFileIVI* directory)
00039 : m_lister(0), m_foundItems(false),
00040 m_containsFolder(false), m_popularIcons(0)
00041 {
00042 if (!m_lister)
00043 {
00044 m_lister = new KDirLister;
00045 m_lister->setAutoErrorHandlingEnabled(false, 0);
00046 connect(m_lister, SIGNAL(completed()), SLOT(slotCompleted()));
00047 connect(m_lister, SIGNAL(newItems( const KFileItemList& )), SLOT(slotNewItems( const KFileItemList& )));
00048 m_lister->setShowingDotFiles(false);
00049 }
00050 m_directory = directory;
00051 }
00052
00053 KIVDirectoryOverlay::~KIVDirectoryOverlay()
00054 {
00055 if (m_lister) m_lister->stop();
00056 delete m_lister;
00057 delete m_popularIcons;
00058 }
00059
00060 void KIVDirectoryOverlay::start()
00061 {
00062 if ( m_directory->item()->isReadable() ) {
00063 m_popularIcons = new QDict<int>;
00064 m_popularIcons->setAutoDelete(true);
00065 m_lister->openURL(m_directory->item()->url());
00066 } else {
00067 emit finished();
00068 }
00069 }
00070
00071 void KIVDirectoryOverlay::timerEvent(QTimerEvent *)
00072 {
00073 m_lister->stop();
00074 }
00075
00076 void KIVDirectoryOverlay::slotCompleted()
00077 {
00078 if (!m_popularIcons) return;
00079
00080
00081 QDictIterator<int> currentIcon( (*m_popularIcons) );
00082 unsigned int best = 0;
00083 unsigned int total = 0;
00084 for ( ; currentIcon.current(); ++currentIcon ) {
00085 unsigned int currentCount = (*currentIcon.current());
00086 total += currentCount;
00087 if ( best < currentCount ) {
00088 best = currentCount;
00089 m_bestIcon = currentIcon.currentKey();
00090 }
00091 }
00092
00093
00094
00095 if ( m_bestIcon.isNull() && m_containsFolder ) {
00096 m_bestIcon = "folder";
00097 }
00098
00099 if ( best * 2 < total ) {
00100 m_bestIcon = "kmultiple";
00101 }
00102
00103 if (!m_bestIcon.isNull()) {
00104 m_directory->setOverlay(m_bestIcon);
00105 }
00106
00107 delete m_popularIcons;
00108 m_popularIcons = 0;
00109
00110 emit finished();
00111 }
00112
00113 void KIVDirectoryOverlay::slotNewItems( const KFileItemList& items )
00114 {
00115 if ( !m_popularIcons) return;
00116
00117 KFileItemListIterator files( items );
00118
00119 KFileItem* file;
00120 for ( ; (file = files.current()) != 0; ++files ) {
00121 if ( file -> isFile() ) {
00122
00123 QString iconName = file -> iconName();
00124 if (!iconName) continue;
00125
00126 int* iconCount = m_popularIcons -> find( file -> iconName() );
00127 if (!iconCount) {
00128 iconCount = new int(0);
00129 Q_ASSERT(file);
00130 m_popularIcons -> insert(file -> iconName(), iconCount);
00131 }
00132 (*iconCount)++;
00133 } else if ( file -> isDir() ) {
00134 m_containsFolder = true;
00135 }
00136 }
00137
00138 m_foundItems = true;
00139 }
00140
00141 #include "kivdirectoryoverlay.moc"
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