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kpilot/lib/plugin.cc

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/* KPilot
**
** Copyright (C) 2001 by Dan Pilone
** Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
**
** This file defines the base class of all KPilot conduit plugins configuration
** dialogs. This is necessary so that we have a fixed API to talk to from
** inside KPilot.
**
** The factories used by KPilot plugins are also documented here.
*/
/*
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with this program in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
** MA 02110-1301, USA.
*/
/*
** Bug reports and questions can be sent to kde-pim@kde.org
*/
#include "options.h"
#include <stdlib.h>
#include <tqdir.h>
#include <tqfileinfo.h>
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqpushbutton.h>
#include <tqregexp.h>
#include <tqstringlist.h>
#include <tqtabwidget.h>
#include <tqtextview.h>
#include <tqtimer.h>
#include <dcopclient.h>
#include <kaboutapplication.h>
#include <kactivelabel.h>
#include <kapplication.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <kinstance.h>
#include <klibloader.h>
#include <kmessagebox.h>
#include <kservice.h>
#include <kservicetype.h>
#include <kstandarddirs.h>
#include "pilotSerialDatabase.h"
#include "pilotLocalDatabase.h"
#include "plugin.moc"
ConduitConfigBase::ConduitConfigBase(TQWidget *parent,
const char *name) :
TQObject(parent,name),
fModified(false),
fWidget(0L),
fConduitName(i18n("Unnamed"))
{
FUNCTIONSETUP;
}
ConduitConfigBase::~ConduitConfigBase()
{
FUNCTIONSETUP;
}
/* slot */ void ConduitConfigBase::modified()
{
fModified=true;
emit changed(true);
}
/* virtual */ TQString ConduitConfigBase::maybeSaveText() const
{
FUNCTIONSETUP;
return i18n("<qt>The <i>%1</i> conduit's settings have been changed. Do you "
"want to save the changes before continuing?</qt>").arg(this->conduitName());
}
/* virtual */ bool ConduitConfigBase::maybeSave()
{
FUNCTIONSETUP;
if (!isModified()) return true;
int r = KMessageBox::questionYesNoCancel(fWidget,
maybeSaveText(),
i18n("%1 Conduit").arg(this->conduitName()), KStdGuiItem::save(), KStdGuiItem::discard());
if (r == KMessageBox::Cancel) return false;
if (r == KMessageBox::Yes) commit();
return true;
}
TQWidget *ConduitConfigBase::aboutPage(TQWidget *parent, KAboutData *ad)
{
FUNCTIONSETUP;
TQWidget *w = new TQWidget(parent, "aboutpage");
TQString s;
TQLabel *text;
KIconLoader *l = KGlobal::iconLoader();
const KAboutData *p = ad ? ad : KGlobal::instance()->aboutData();
TQGridLayout *grid = new TQGridLayout(w, 5, 4, SPACING);
grid->addColSpacing(0, SPACING);
grid->addColSpacing(4, SPACING);
TQPixmap applicationIcon =
l->loadIcon(TQString::fromLatin1(p->appName()),
KIcon::Desktop,
64, KIcon::DefaultState, 0L,
true);
if (applicationIcon.isNull())
{
applicationIcon = l->loadIcon(TQString::fromLatin1("kpilot"),
KIcon::Desktop);
}
text = new TQLabel(w);
// Experiment with a long non-<qt> string. Use that to find
// sensible widths for the columns.
//
text->setText(i18n("Send questions and comments to tdepim-users@kde.org"));
text->adjustSize();
int linewidth = text->size().width();
int lineheight = text->size().height();
// Use the label to display the applciation icon
text->setText(TQString());
text->setPixmap(applicationIcon);
text->adjustSize();
grid->addWidget(text, 0, 1);
KActiveLabel *linktext = new KActiveLabel(w);
grid->addRowSpacing(1,kMax(100,6*lineheight));
grid->addRowSpacing(2,kMax(100,6*lineheight));
grid->addColSpacing(2,SPACING+linewidth/2);
grid->addColSpacing(3,SPACING+linewidth/2);
grid->setRowStretch(1,50);
grid->setRowStretch(2,50);
grid->setColStretch(2,50);
grid->setColStretch(3,50);
linktext->setMinimumSize(linewidth,kMax(260,60+12*lineheight));
linktext->setFixedHeight(kMax(260,60+12*lineheight));
linktext->setVScrollBarMode(TQScrollView::Auto/*AlwaysOn*/);
text = new TQLabel(w);
grid->addMultiCellWidget(text,0,0,2,3);
grid->addMultiCellWidget(linktext,1,2,1,3);
// Now set the program and copyright information.
s = CSL1("<qt><h3>");
s += p->programName();
s += ' ';
s += p->version();
s += CSL1("</h3>");
s += p->copyrightStatement() + CSL1("<br></qt>");
text->setText(s);
linktext->append(p->shortDescription() + CSL1("<br>"));
if (!p->homepage().isEmpty())
{
s = TQString();
s += CSL1("<a href=\"%1\">").arg(p->homepage());
s += p->homepage();
s += CSL1("</a><br>");
linktext->append(s);
}
s = TQString();
s += i18n("Send questions and comments to <a href=\"mailto:%1\">%2</a>.")
.arg( CSL1("tdepim-users@kde.org") )
.arg( CSL1("tdepim-users@kde.org") );
s += ' ';
s += i18n("Send bug reports to <a href=\"mailto:%1\">%2</a>.")
.arg(p->bugAddress())
.arg(p->bugAddress());
s += ' ';
s += i18n("For trademark information, see the "
"<a href=\"help:/kpilot/trademarks.html\">KPilot User's Guide</a>.");
s += CSL1("<br>");
linktext->append(s);
linktext->append(TQString());
TQValueList<KAboutPerson> pl = p->authors();
TQValueList<KAboutPerson>::ConstIterator i;
s = i18n("<b>Authors:</b> ");
TQString comma = CSL1(", ");
unsigned int count=1;
for (i=pl.begin(); i!=pl.end(); ++i)
{
s.append(CSL1("%1 (<i>%2</i>)%3")
.arg((*i).name())
.arg((*i).task())
.arg(count<pl.count() ? comma : TQString())
);
count++;
}
linktext->append(s);
s = TQString();
pl = p->credits();
if (pl.count()>0)
{
count=1;
s.append(i18n("<b>Credits:</b> "));
for (i=pl.begin(); i!=pl.end(); ++i)
{
s.append(CSL1("%1 (<i>%2</i>)%3")
.arg((*i).name())
.arg((*i).task())
.arg(count<pl.count() ? comma : TQString())
);
count++;
}
}
linktext->append(s);
linktext->ensureVisible(0,0);
w->adjustSize();
return w;
}
/* static */ void ConduitConfigBase::addAboutPage(TQTabWidget *tw,
KAboutData *ad)
{
FUNCTIONSETUP;
Q_ASSERT(tw);
TQWidget *w = aboutPage(tw,ad);
TQSize sz = w->size();
if (sz.width() < tw->size().width())
{
sz.setWidth(tw->size().width());
}
if (sz.height() < tw->size().height())
{
sz.setHeight(tw->size().height());
}
tw->resize(sz);
tw->addTab(w, i18n("About"));
tw->adjustSize();
}
ConduitAction::ConduitAction(KPilotLink *p,
const char *name,
const TQStringList &args) :
SyncAction(p,name),
fDatabase(0L),
fLocalDatabase(0L),
fCtrHH(0L),
fCtrPC(0L),
fSyncDirection(args),
fConflictResolution(SyncAction::eAskUser),
fFirstSync(false)
{
FUNCTIONSETUP;
TQString cResolution(args.grep(TQRegExp(CSL1("--conflictResolution \\d*"))).first());
if (cResolution.isEmpty())
{
fConflictResolution=(SyncAction::ConflictResolution)
cResolution.replace(TQRegExp(CSL1("--conflictResolution (\\d*)")), CSL1("\\1")).toInt();
}
for (TQStringList::ConstIterator it = args.begin();
it != args.end();
++it)
{
DEBUGKPILOT << fname << ": " << *it << endl;
}
DEBUGKPILOT << fname << ": Direction=" << fSyncDirection.name() << endl;
fCtrHH = new CUDCounter(i18n("Handheld"));
fCtrPC = new CUDCounter(i18n("PC"));
}
/* virtual */ ConduitAction::~ConduitAction()
{
FUNCTIONSETUP;
KPILOT_DELETE(fDatabase);
KPILOT_DELETE(fLocalDatabase);
KPILOT_DELETE(fCtrHH);
KPILOT_DELETE(fCtrPC);
}
bool ConduitAction::openDatabases(const TQString &name, bool *retrieved)
{
FUNCTIONSETUP;
DEBUGKPILOT << fname
<< ": Trying to open database "
<< name << endl;
DEBUGKPILOT << fname
<< ": Mode="
<< (syncMode().isTest() ? "test " : "")
<< (syncMode().isLocal() ? "local " : "")
<< endl ;
KPILOT_DELETE(fLocalDatabase);
TQString localPathName = PilotLocalDatabase::getDBPath() + name;
// we always want to use the conduits/ directory for our local
// databases. this keeps our backups and data that our conduits use
// for record keeping separate
localPathName.replace(CSL1("DBBackup/"), CSL1("conduits/"));
DEBUGKPILOT << fname << ": localPathName: [" << localPathName
<< "]" << endl;
PilotLocalDatabase *localDB = new PilotLocalDatabase( localPathName );
if (!localDB)
{
WARNINGKPILOT << "Could not initialize object for local copy of database \""
<< name
<< "\"" << endl;
if (retrieved) *retrieved = false;
return false;
}
// if there is no backup db yet, fetch it from the palm, open it and set the full sync flag.
if (!localDB->isOpen() )
{
TQString dbpath(localDB->dbPathName());
KPILOT_DELETE(localDB);
DEBUGKPILOT << fname
<< ": Backup database " << dbpath
<< " not found." << endl;
struct DBInfo dbinfo;
// TODO Extend findDatabase() with extra overload?
if (deviceLink()->findDatabase(Pilot::toPilot( name ), &dbinfo)<0 )
{
WARNINGKPILOT << "Could not get DBInfo for " << name << endl;
if (retrieved) *retrieved = false;
return false;
}
DEBUGKPILOT << fname
<< ": Found Palm database: " << dbinfo.name <<endl
<< fname << ": type = " << dbinfo.type
<< " creator = " << dbinfo.creator
<< " version = " << dbinfo.version
<< " index = " << dbinfo.index << endl;
dbinfo.flags &= ~dlpDBFlagOpen;
// make sure the dir for the backup db really exists!
TQFileInfo fi(dbpath);
TQString path(TQFileInfo(dbpath).dir(true).absPath());
if (!path.endsWith(CSL1("/"))) path.append(CSL1("/"));
if (!KStandardDirs::exists(path))
{
DEBUGKPILOT << fname << ": Trying to create path for database: <"
<< path << ">" << endl;
KStandardDirs::makeDir(path);
}
if (!KStandardDirs::exists(path))
{
DEBUGKPILOT << fname << ": Database directory does not exist." << endl;
if (retrieved) *retrieved = false;
return false;
}
if (!deviceLink()->retrieveDatabase(dbpath, &dbinfo) )
{
WARNINGKPILOT << "Could not retrieve database "
<< name << " from the handheld." << endl;
if (retrieved) *retrieved = false;
return false;
}
localDB = new PilotLocalDatabase( localPathName );
if (!localDB || !localDB->isOpen())
{
WARNINGKPILOT << "local backup of database " << name << " could not be initialized." << endl;
if (retrieved) *retrieved = false;
return false;
}
if (retrieved) *retrieved=true;
}
fLocalDatabase = localDB;
fDatabase = deviceLink()->database( name );
if (!fDatabase)
{
WARNINGKPILOT << "Could not open database \""
<< name
<< "\" on the pilot."
<< endl;
}
else
{
fCtrHH->setStartCount(fDatabase->recordCount());
}
return (fDatabase && fDatabase->isOpen() &&
fLocalDatabase && fLocalDatabase->isOpen() );
}
bool ConduitAction::changeSync(SyncMode::Mode m)
{
FUNCTIONSETUP;
if ( fSyncDirection.isSync() && SyncMode::eFullSync == m)
{
fSyncDirection.setMode(m);
return true;
}
return false;
}
void ConduitAction::finished()
{
FUNCTIONSETUP;
if (fDatabase && fCtrHH)
fCtrHH->setEndCount(fDatabase->recordCount());
if (fCtrHH && fCtrPC)
{
addSyncLogEntry(fCtrHH->moo() +"\n",false);
DEBUGKPILOT << fname << ": " << fCtrHH->moo() << endl;
addSyncLogEntry(fCtrPC->moo() +"\n",false);
DEBUGKPILOT << fname << ": " << fCtrPC->moo() << endl;
// STEP2 of making sure we don't delete our little user's
// precious data...
// sanity checks for handheld...
int hhVolatility = fCtrHH->percentDeleted() +
fCtrHH->percentUpdated() +
fCtrHH->percentCreated();
int pcVolatility = fCtrPC->percentDeleted() +
fCtrPC->percentUpdated() +
fCtrPC->percentCreated();
// TODO: allow user to configure this...
// this is a percentage...
int allowedVolatility = 70;
TQString caption = i18n("Large Changes Detected");
// args are already i18n'd
TQString query = i18n("The %1 conduit has made a "
"large number of changes to your %2. Do you want "
"to allow this change?\nDetails:\n\t%3");
if (hhVolatility > allowedVolatility)
{
query = query.arg(fConduitName)
.arg(fCtrHH->type()).arg(fCtrHH->moo());
DEBUGKPILOT << fname << ": Yikes, lots of volatility "
<< "caught. Check with user: [" << query
<< "]." << endl;
/*
int rc = questionYesNo(query, caption,
TQString(), 0 );
if (rc == KMessageBox::Yes)
{
// TODO: add commit and rollback code.
// note: this will require some thinking,
// since we have to undo changes to the
// pilot databases, changes to the PC
// resources, changes to the mappings files
// (record id mapping, etc.)
}
*/
}
}
}
ConduitProxy::ConduitProxy(KPilotLink *p,
const TQString &name,
const SyncAction::SyncMode &m) :
ConduitAction(p,name.latin1(),m.list()),
fDesktopName(name)
{
FUNCTIONSETUP;
}
/* virtual */ bool ConduitProxy::exec()
{
FUNCTIONSETUP;
// query that service
KSharedPtr < KService > o = KService::serviceByDesktopName(fDesktopName);
if (!o)
{
WARNINGKPILOT << "Can't find desktop file for conduit "
<< fDesktopName
<< endl;
addSyncLogEntry(i18n("Could not find conduit %1.").arg(fDesktopName));
return false;
}
// load the lib
fLibraryName = o->library();
DEBUGKPILOT << fname
<< ": Loading desktop "
<< fDesktopName
<< " with lib "
<< fLibraryName
<< endl;
KLibrary *library = KLibLoader::self()->library(
TQFile::encodeName(fLibraryName));
if (!library)
{
WARNINGKPILOT << "Can't load library "
<< fLibraryName
<< " - "
<< KLibLoader::self()->lastErrorMessage()
<< endl;
addSyncLogEntry(i18n("Could not load conduit %1.").arg(fDesktopName));
return false;
}
unsigned long version = PluginUtility::pluginVersion(library);
if ( Pilot::PLUGIN_API != version )
{
WARNINGKPILOT << "Library "
<< fLibraryName
<< " has version "
<< version
<< endl;
addSyncLogEntry(i18n("Conduit %1 has wrong version (%2).").arg(fDesktopName).arg(version));
return false;
}
KLibFactory *factory = library->factory();
if (!factory)
{
WARNINGKPILOT << "Can't find factory in library "
<< fLibraryName
<< endl;
addSyncLogEntry(i18n("Could not initialize conduit %1.").arg(fDesktopName));
return false;
}
TQStringList l = syncMode().list();
DEBUGKPILOT << fname << ": Flags: " << syncMode().name() << endl;
TQObject *object = factory->create(fHandle,name(),"SyncAction",l);
if (!object)
{
WARNINGKPILOT << "Can't create SyncAction." << endl;
addSyncLogEntry(i18n("Could not create conduit %1.").arg(fDesktopName));
return false;
}
fConduit = dynamic_cast<ConduitAction *>(object);
if (!fConduit)
{
WARNINGKPILOT << "Can't cast to ConduitAction." << endl;
addSyncLogEntry(i18n("Could not create conduit %1.").arg(fDesktopName));
return false;
}
addSyncLogEntry(i18n("[Conduit %1]").arg(fDesktopName));
// Handle the syncDone signal properly & unload the conduit.
TQObject::connect(fConduit,TQT_SIGNAL(syncDone(SyncAction *)),
this,TQT_SLOT(execDone(SyncAction *)));
// Proxy all the log and error messages.
TQObject::connect(fConduit,TQT_SIGNAL(logMessage(const TQString &)),
this,TQT_SIGNAL(logMessage(const TQString &)));
TQObject::connect(fConduit,TQT_SIGNAL(logError(const TQString &)),
this,TQT_SIGNAL(logError(const TQString &)));
TQObject::connect(fConduit,TQT_SIGNAL(logProgress(const TQString &,int)),
this,TQT_SIGNAL(logProgress(const TQString &,int)));
TQTimer::singleShot(0,fConduit,TQT_SLOT(execConduit()));
return true;
}
void ConduitProxy::execDone(SyncAction *p)
{
FUNCTIONSETUP;
if (p!=fConduit)
{
WARNINGKPILOT << "Unknown conduit @"
<< (void *) p
<< " finished."
<< endl;
emit syncDone(this);
return;
}
// give our worker a chance to sanity check the results...
fConduit->finished();
addSyncLogEntry(CSL1("\n"),false); // Put bits of the conduit logs on separate lines
KPILOT_DELETE(p);
emit syncDone(this);
}
namespace PluginUtility
{
TQString findArgument(const TQStringList &a, const TQString &arg)
{
FUNCTIONSETUP;
TQString search;
if (arg.startsWith( CSL1("--") ))
{
search = arg;
}
else
{
search = CSL1("--") + arg;
}
search.append( CSL1("=") );
TQStringList::ConstIterator end = a.end();
for (TQStringList::ConstIterator i = a.begin(); i != end; ++i)
{
if ((*i).startsWith( search ))
{
TQString s = (*i).mid(search.length());
return s;
}
}
return TQString();
}
/* static */ bool isRunning(const TQCString &n)
{
DCOPClient *dcop = KApplication::kApplication()->dcopClient();
QCStringList apps = dcop->registeredApplications();
return apps.contains(n);
}
/* static */ unsigned long pluginVersion(const KLibrary *lib)
{
TQString symbol = CSL1("version_");
symbol.append(lib->name());
if (!lib->hasSymbol(symbol.latin1())) return 0;
unsigned long *p = (unsigned long *)(lib->symbol(symbol.latin1()));
return *p;
}
/* static */ TQString pluginVersionString(const KLibrary *lib)
{
TQString symbol= CSL1("id_");
symbol.append(lib->name());
if (!lib->hasSymbol(symbol.latin1())) return TQString();
return TQString::fromLatin1(*((const char **)(lib->symbol(symbol.latin1()))));
}
}
CUDCounter::CUDCounter(TQString s) :
fC(0),fU(0),fD(0),fStart(0),fEnd(0),fType(s)
{
}
void CUDCounter::created(unsigned int c)
{
fC += c;
}
void CUDCounter::updated(unsigned int c)
{
fU += c;
}
void CUDCounter::deleted(unsigned int c)
{
fD += c;
}
void CUDCounter::setStartCount(unsigned int t)
{
fStart = t;
}
void CUDCounter::setEndCount(unsigned int t)
{
fEnd = t;
}
TQString CUDCounter::moo() const
{
TQString result = fType + ": " +
i18n("Start: %1. End: %2. ").arg(fStart).arg(fEnd);
if (fC > 0) result += i18n("%1 new. ").arg(fC);
if (fU > 0) result += i18n("%1 changed. ").arg(fU);
if (fD > 0) result += i18n("%1 deleted. ").arg(fD);
if ( (fC+fU+fD) <= 0) result += i18n("No changes made. ");
return result;
}