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/*
$Id: arkapp.cpp,v 1.22 2001/04/04 20:51:20 mjarrett Exp $
ark -- archiver for the KDE project
Copyright (C)
1999: Francois-Xavier Duranceau duranceau@kde.org
1999-2000: Corel Corporation (author: Emily Ezust emilye@corel.com)
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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <dcopclient.h>
#include <kdebug.h>
#include <kcmdlineargs.h>
#include <unistd.h>
#include <qfile.h>
#include <errno.h>
#include <kuniqueapp.h>
#include <kmainwindow.h>
#include <kio/jobclasses.h>
#include "arkapp.h"
#include "arkwidget.h"
ArkApplication *ArkApplication::mInstance = NULL;
// a helper function to follow a symlink and obtain the real filename
// Used in the ArkApplication functions that use the archive filename
// to make sure an archive isn't opened twice in different windows
// Now, readlink only gives one level so this function recurses.
static QString resolveFilename(const QString & _arkname)
{
char *buff;
int nread;
int iter = 1;
while (1)
{
buff = new char[BUFSIZ*iter];
nread = readlink( QFile::encodeName(_arkname),
buff, BUFSIZ);
if (-1 == nread)
{
if (EINVAL == errno) // not a symbolic link. Stopping condition.
return _arkname;
else if (ENAMETOOLONG == errno)
{
kdDebug(1601) << "resolveFilename: have to reallocate - name too long!" << endl;
iter++;
delete buff;
continue;
}
else
{
// the other errors will be taken care of already in simply
// opening the archive (i.e., the user will be notified)
return "";
}
}
else
{
buff[nread] = '\0'; // readlink doesn't null terminate
QString name = QFile::decodeName(buff);
delete buff;
// watch out for relative pathnames
if (name.at(0) != '/')
{
// copy the path from _arkname
int index = _arkname.findRev('/');
name = _arkname.left(index + 1) + name;
}
//kdDebug(1601) << "Now resolve " << (const char *)name << endl;
return resolveFilename(name);
}
}
}
ArkApplication * ArkApplication::getInstance()
{
if (mInstance == NULL)
mInstance = new ArkApplication();
return mInstance;
}
ArkApplication::ArkApplication()
: KUniqueApplication(), m_windowCount(0), m_isSessionRestored(isRestored())
{
kdDebug(1601) << "+ArkApplication::ArkApplication" << endl;
m_mainwidget = new QWidget;
setMainWidget(m_mainwidget);
kdDebug(1601) << "-ArkApplication::ArkApplication" << endl;
}
int ArkApplication::newInstance()
{
kdDebug(1601) << "+ArkApplication::newInstance" << endl;
// If we are restored by session management, we don't need to open
// another window on startup.
if ( m_isSessionRestored )
{
// But next invocations must still come through.
// NOTE: IMHO this should be handled by KUniqueApplication itself
m_isSessionRestored = false;
kdDebug(1601) << "-ArkApplication::newInstance no new window since restored by SM" << endl;
return 0;
}
QString Zip;
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
KURL url;
int i = 0;
bool doAutoExtract = args->isSet("extract");
do {
if (args->count() > 0)
url = args->url(i);
ArkWidget *arkWin = new ArkWidget(m_mainwidget);
arkWin->show();
arkWin->resize(640, 300);
if(doAutoExtract)
arkWin->setExtractOnly(true);
if (!url.isEmpty())
{
arkWin->file_open(url);
}
kdDebug(1601) << "-ArkApplication::newInstance" << endl;
++i;
} while (i < args->count());
args->clear();
return 0;
}
void ArkApplication::addOpenArk(const QString & _arkname,
ArkWidget *_ptr)
{
kdDebug(1601) << "+ArkApplication::addOpenArk" << endl;
QString realName = resolveFilename(_arkname); // follow symlink
kdDebug(1601) << "---------------- Real name of " << _arkname << " is " << realName << endl;
openArksList.append(realName);
m_windowsHash.replace(realName, _ptr);
kdDebug(1601) << "---------------Saved ptr " << _ptr << endl;
kdDebug(1601) << "-ArkApplication::addOpenArk" << endl;
}
void ArkApplication::removeOpenArk(const QString & _arkname)
{
kdDebug(1601) << "+ArkApplication::removeOpenArk" << endl;
QString realName = resolveFilename(_arkname); // follow symlink
kdDebug(1601) << "Removing name " << _arkname << endl;
openArksList.remove(realName);
m_windowsHash.remove(realName);
kdDebug(1601) << "-ArkApplication::removeOpenArk" << endl;
}
void ArkApplication::raiseArk(const QString & _arkname)
{
ArkWidget *window;
QString realName = resolveFilename(_arkname); // follow symlink
window = m_windowsHash[realName];
kdDebug(1601) << "ArkApplication::raiseArk " << window << endl;
// raise didn't seem to be enough. Not sure why!
// This might be annoying though.
window->hide();
window->show();
window->raise();
}
bool ArkApplication::isArkOpenAlready(const QString & _arkname)
{
QString realName = resolveFilename(_arkname); // follow symlink
return (openArksList.findIndex(realName) != -1);
}
#include "arkapp.moc"
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