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tdebase/tdeioslave/system/systemimpl.cpp

313 lines
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/* This file is part of the KDE project
Copyright (c) 2004 Kevin Ottens <ervin ipsquad net>
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 "systemimpl.h"
#include <kdebug.h>
#include <tdeglobalsettings.h>
#include <kstandarddirs.h>
#include <kdesktopfile.h>
#include <tqapplication.h>
#include <tqeventloop.h>
#include <tqdir.h>
#include <tqfile.h>
#include <sys/stat.h>
SystemImpl::SystemImpl() : TQObject()
{
TDEGlobal::dirs()->addResourceType("system_entries",
TDEStandardDirs::kde_default("data") + "systemview");
}
bool SystemImpl::listRoot(TQValueList<TDEIO::UDSEntry> &list)
{
kdDebug() << "SystemImpl::listRoot" << endl;
TQStringList names_found;
TQStringList dirList = TDEGlobal::dirs()->resourceDirs("system_entries");
TQStringList::ConstIterator dirpath = dirList.begin();
TQStringList::ConstIterator end = dirList.end();
for(; dirpath!=end; ++dirpath)
{
TQDir dir = *dirpath;
if (!dir.exists()) continue;
TQStringList filenames
= dir.entryList( TQDir::Files | TQDir::Readable );
TDEIO::UDSEntry entry;
TQStringList::ConstIterator filename = filenames.begin();
TQStringList::ConstIterator endf = filenames.end();
for(; filename!=endf; ++filename)
{
if (!names_found.contains(*filename))
{
entry.clear();
createEntry(entry, *dirpath, *filename);
if ( !entry.isEmpty() )
{
list.append(entry);
names_found.append(*filename);
}
}
}
}
return true;
}
bool SystemImpl::parseURL(const KURL &url, TQString &name, TQString &path) const
{
TQString url_path = url.path();
int i = url_path.find('/', 1);
if (i > 0)
{
name = url_path.mid(1, i-1);
path = url_path.mid(i+1);
}
else
{
name = url_path.mid(1);
path = TQString::null;
}
return name != TQString::null;
}
bool SystemImpl::realURL(const TQString &name, const TQString &path,
KURL &url) const
{
url = findBaseURL(name);
if (!url.isValid())
{
return false;
}
url.addPath(path);
return true;
}
bool SystemImpl::statByName(const TQString &filename, TDEIO::UDSEntry& entry)
{
kdDebug() << "SystemImpl::statByName" << endl;
TQStringList dirList = TDEGlobal::dirs()->resourceDirs("system_entries");
TQStringList::ConstIterator dirpath = dirList.begin();
TQStringList::ConstIterator end = dirList.end();
for(; dirpath!=end; ++dirpath)
{
TQDir dir = *dirpath;
if (!dir.exists()) continue;
TQStringList filenames
= dir.entryList( TQDir::Files | TQDir::Readable );
TQStringList::ConstIterator name = filenames.begin();
TQStringList::ConstIterator endf = filenames.end();
for(; name!=endf; ++name)
{
if (*name==filename+".desktop")
{
createEntry(entry, *dirpath, *name);
return true;
}
}
}
return false;
}
KURL SystemImpl::findBaseURL(const TQString &filename) const
{
kdDebug() << "SystemImpl::findBaseURL" << endl;
TQStringList dirList = TDEGlobal::dirs()->resourceDirs("system_entries");
TQStringList::ConstIterator dirpath = dirList.begin();
TQStringList::ConstIterator end = dirList.end();
for(; dirpath!=end; ++dirpath)
{
TQDir dir = *dirpath;
if (!dir.exists()) continue;
TQStringList filenames
= dir.entryList( TQDir::Files | TQDir::Readable );
TDEIO::UDSEntry entry;
TQStringList::ConstIterator name = filenames.begin();
TQStringList::ConstIterator endf = filenames.end();
for(; name!=endf; ++name)
{
if (*name==filename+".desktop")
{
KDesktopFile desktop(*dirpath+filename+".desktop", true);
if ( desktop.readURL().isEmpty() )
{
KURL url;
url.setPath( desktop.readPath() );
return url;
}
return desktop.readURL();
}
}
}
return KURL();
}
static void addAtom(TDEIO::UDSEntry &entry, unsigned int ID, long l,
const TQString &s = TQString::null)
{
TDEIO::UDSAtom atom;
atom.m_uds = ID;
atom.m_long = l;
atom.m_str = s;
entry.append(atom);
}
void SystemImpl::createTopLevelEntry(TDEIO::UDSEntry &entry) const
{
entry.clear();
addAtom(entry, TDEIO::UDS_NAME, 0, ".");
addAtom(entry, TDEIO::UDS_FILE_TYPE, S_IFDIR);
addAtom(entry, TDEIO::UDS_ACCESS, 0555);
addAtom(entry, TDEIO::UDS_MIME_TYPE, 0, "inode/system_directory");
addAtom(entry, TDEIO::UDS_ICON_NAME, 0, "system");
}
TQString SystemImpl::readPathINL(TQString filename)
{
bool isPathExpanded = false;
TQString unexpandedPath;
TQFile f( filename );
if (!f.open(IO_ReadOnly))
return TQString();
// set the codec for the current locale
TQTextStream s(&f);
TQString line = s.readLine();
while (!line.isNull())
{
if (line.startsWith("Path=$(")) {
isPathExpanded = true;
unexpandedPath = line.remove("Path=");
}
line = s.readLine();
}
if (isPathExpanded == false) {
KDesktopFile desktop(filename, true);
return desktop.readPath();
}
else {
return unexpandedPath;
}
}
void SystemImpl::createEntry(TDEIO::UDSEntry &entry,
const TQString &directory,
const TQString &file)
{
kdDebug() << "SystemImpl::createEntry" << endl;
KDesktopFile desktop(directory+file, true);
kdDebug() << "path = " << directory << file << endl;
entry.clear();
// Ensure that we really want this entry to be displayed
if ( desktop.readURL().isEmpty() && readPathINL(directory+file).isEmpty() )
{
return;
}
addAtom(entry, TDEIO::UDS_NAME, 0, desktop.readName());
TQString new_filename = file;
new_filename.truncate(file.length()-8);
if ( desktop.readURL().isEmpty() )
{
addAtom(entry, TDEIO::UDS_URL, 0, readPathINL(directory+file));
}
else
{
addAtom(entry, TDEIO::UDS_URL, 0, "system:/"+new_filename);
}
addAtom(entry, TDEIO::UDS_FILE_TYPE, S_IFDIR);
addAtom(entry, TDEIO::UDS_MIME_TYPE, 0, "inode/directory");
TQString icon = desktop.readIcon();
TQString empty_icon = desktop.readEntry("EmptyIcon");
if (!empty_icon.isEmpty())
{
KURL url = desktop.readURL();
m_lastListingEmpty = true;
TDEIO::ListJob *job = TDEIO::listDir(url, false, false);
connect( job, TQT_SIGNAL( entries(TDEIO::Job *,
const TDEIO::UDSEntryList &) ),
this, TQT_SLOT( slotEntries(TDEIO::Job *,
const TDEIO::UDSEntryList &) ) );
connect( job, TQT_SIGNAL( result(TDEIO::Job *) ),
this, TQT_SLOT( slotResult(TDEIO::Job *) ) );
tqApp->eventLoop()->enterLoop();
if (m_lastListingEmpty) icon = empty_icon;
}
addAtom(entry, TDEIO::UDS_ICON_NAME, 0, icon);
}
void SystemImpl::slotEntries(TDEIO::Job *job, const TDEIO::UDSEntryList &list)
{
if (list.size()>0)
{
job->kill(true);
m_lastListingEmpty = false;
tqApp->eventLoop()->exitLoop();
}
}
void SystemImpl::slotResult(TDEIO::Job *)
{
tqApp->eventLoop()->exitLoop();
}
#include "systemimpl.moc"