kio Library: krecentdocument.cpp Source File (kio Library)

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# krecentdocument.cpp

    00001 /* -*- c++ -*-
    00002  * Copyright (C)2000 Daniel M. Duley <mosfet@kde.org>
    00003  *
    00004  * All rights reserved.
    00005  *
    00006  * Redistribution and use in source and binary forms, with or without
    00007  * modification, are permitted provided that the following conditions
    00008  * are met:
    00009  * 1. Redistributions of source code must retain the above copyright
    00010  *    notice, this list of conditions and the following disclaimer.
    00011  * 2. Redistributions in binary form must reproduce the above copyright
    00012  *    notice, this list of conditions and the following disclaimer in the
    00013  *    documentation and/or other materials provided with the distribution.
    00014  *
    00015  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
    00016  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00018  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
    00019  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    00020  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    00021  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00022  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    00023  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00024  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00025  * SUCH DAMAGE.
    00026  *
    00027  */
    00028 #include <krecentdocument.h>
    00029 #include <ksimpleconfig.h>
    00030 #include <kstandarddirs.h>
    00031 #include <kapplication.h>
    00032 #include <kurl.h>
    00033 #include <kdebug.h>
    00034 #include <kmimetype.h>
    00035 #include <kdesktopfile.h>
    00036 #include <qdir.h>
    00037 #include <qfileinfo.h>
    00038 #include <qtextstream.h>
    00039 #include <qstringlist.h>
    00040 #include <qregexp.h>
    00041
    00042 #include <sys/types.h>
    00043 #include <utime.h>
    00044
    00045 QString KRecentDocument::recentDocumentDirectory()
    00046 {
    00047     // need to change this path, not sure where
    00048     return locateLocal("data", QString::fromLatin1("RecentDocuments/"));
    00049 }
    00050
    00051 QStringList KRecentDocument::recentDocuments()
    00052 {
    00053     QDir d(recentDocumentDirectory(), "*.desktop", QDir::Time,
    00054            QDir::Files | QDir::Readable | QDir::Hidden);
    00055
    00056     if (!d.exists())
    00057         d.mkdir(recentDocumentDirectory());
    00058
    00059     QStringList list = d.entryList();
    00060     QStringList fullList;
    00061
    00062     for (QStringList::ConstIterator it = list.begin(); it != list.end(); ++it) {
    00063        QString pathDesktop = d.absFilePath( *it );
    00064        KDesktopFile tmpDesktopFile( pathDesktop, false);
    00065        KURL urlDesktopFile(tmpDesktopFile.readURL());
    00066        if( urlDesktopFile.isLocalFile() && !QFile(urlDesktopFile.path()).exists())
    00067            d.remove(pathDesktop);
    00068        else
    00069            fullList.append( pathDesktop );
    00070     }
    00071
    00072     return fullList;
    00073 }
    00074
    00075 void KRecentDocument::add(const KURL& url)
    00076 {
    00077     KRecentDocument::add(url, qApp->argv()[0]); // ### argv[0] might not match the service filename!
    00078 }
    00079
    00080 void KRecentDocument::add(const KURL& url, const QString& desktopEntryName)
    00081 {
    00082     if ( url.isLocalFile() && !KGlobal::dirs()->relativeLocation("tmp", url.path()).startsWith("/"))
    00083         return;
    00084
    00085     QString openStr = url.url();
    00086     openStr.replace( QRegExp("\\$"), "$$" ); // Desktop files with type "Link" are $-variable expanded
    00087
    00088     kdDebug(250) << "KRecentDocument::add for " << openStr << endl;
    00089     KConfig *config = KGlobal::config();
    00090     QString oldGrp = config->group();
    00091     config->setGroup(QString::fromLatin1("RecentDocuments"));
    00092     bool useRecent = config->readBoolEntry(QString::fromLatin1("UseRecent"), true);
    00093     int maxEntries = config->readNumEntry(QString::fromLatin1("MaxEntries"), 10);
    00094
    00095     config->setGroup(oldGrp);
    00096     if(!useRecent)
    00097         return;
    00098
    00099     QString path = recentDocumentDirectory();
    00100
    00101     QString dStr = path + url.fileName();
    00102
    00103     QString ddesktop = dStr + QString::fromLatin1(".desktop");
    00104
    00105     int i=1;
    00106     // check for duplicates
    00107     while(QFile::exists(ddesktop)){
    00108         // see if it points to the same file and application
    00109         KSimpleConfig tmp(ddesktop);
    00110         tmp.setDesktopGroup();
    00111         if(tmp.readEntry(QString::fromLatin1("X-KDE-LastOpenedWith"))
    00112        == desktopEntryName)
    00113     {
    00114             utime(QFile::encodeName(ddesktop), NULL);
    00115             return;
    00116         }
    00117         // if not append a (num) to it
    00118         ++i;
    00119         if ( i > maxEntries )
    00120             break;
    00121         ddesktop = dStr + QString::fromLatin1("[%1].desktop").arg(i);
    00122     }
    00123
    00124     QDir dir(path);
    00125     // check for max entries, delete oldest files if exceeded
    00126     QStringList list = dir.entryList(QDir::Files | QDir::Hidden, QDir::Time | QDir::Reversed);
    00127     i = list.count();
    00128     if(i > maxEntries-1){
    00129         QStringList::Iterator it;
    00130         it = list.begin();
    00131         while(i > maxEntries-1){
    00132             QFile::remove(dir.absPath() + QString::fromLatin1("/") + (*it));
    00133             --i, ++it;
    00134         }
    00135     }
    00136
    00137     // create the applnk
    00138     KSimpleConfig conf(ddesktop);
    00139     conf.setDesktopGroup();
    00140     conf.writeEntry( QString::fromLatin1("Type"), QString::fromLatin1("Link") );
    00141     conf.writePathEntry( QString::fromLatin1("URL"), openStr );
    00142     // If you change the line below, change the test in the above loop
    00143     conf.writeEntry( QString::fromLatin1("X-KDE-LastOpenedWith"), desktopEntryName );
    00144     conf.writeEntry( QString::fromLatin1("Name"), url.fileName() );
    00145     conf.writeEntry( QString::fromLatin1("Icon"), KMimeType::iconForURL( url ) );
    00146 }
    00147
    00148 void KRecentDocument::add(const QString &openStr, bool isUrl)
    00149 {
    00150     if( isUrl ) {
    00151         add( KURL( openStr ) );
    00152     } else {
    00153         KURL url;
    00154         url.setPath( openStr );
    00155         add( url );
    00156     }
    00157 }
    00158
    00159 void KRecentDocument::clear()
    00160 {
    00161   QStringList list = recentDocuments();
    00162   QDir dir;
    00163   for(QStringList::Iterator it = list.begin(); it != list.end() ; ++it)
    00164     dir.remove(*it);
    00165 }
    00166
    00167 int KRecentDocument::maximumItems()
    00168 {
    00169     KConfig *config = KGlobal::config();
    00170     KConfigGroupSaver sa(config, QString::fromLatin1("RecentDocuments"));
    00171     return config->readNumEntry(QString::fromLatin1("MaxEntries"), 10);
    00172 }
    00173
    00174

This file is part of the documentation for kio Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
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