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kpilot/conduits/docconduit/doc-conduit.cc

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/* KPilot
**
** Copyright (C) 2002 by Reinhold Kainhofer
**
** The doc conduit synchronizes text files on the PC with DOC databases on the Palm
*/
/*
** 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 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.
*/
// naming of the bookmark file:
// PDB->TXT: convert bookmarks to a .bm file
// TXT->PDB: If a .bmk file exists, use it, otherwise use the .bm file (from the PDB->TXT conversion)
// This way, the bookmark file is not overwritten, a manual bookmark file overrides, but the bookmarks from the handheld are still available
#include "options.h"
#include "doc-conduit.moc"
#include <tqtimer.h>
#include <tqdir.h>
#include <kconfig.h>
#include <kmdcodec.h>
#include <pilotLocalDatabase.h>
#include <pilotSerialDatabase.h>
#include "doc-factory.h"
#include "doc-conflictdialog.h"
#include "DOC-converter.h"
#include "pilotDOCHead.h"
#include "docconduitSettings.h"
// Something to allow us to check what revision
// the modules are that make up a binary distribution.
extern "C"
{
unsigned long version_conduit_doc = Pilot::PLUGIN_API;
}
TQString dirToString(eSyncDirectionEnum dir) {
switch(dir) {
// case eSyncAll: return "eSyncAll";
case eSyncPDAToPC: return CSL1("eSyncPDAToPC");
case eSyncPCToPDA: return CSL1("eSyncPCToPDA");
case eSyncNone: return CSL1("eSyncNone");
case eSyncConflict: return CSL1("eSyncConflict");
case eSyncDelete: return CSL1("eSyncDelete");
default: return CSL1("ERROR");
}
}
/*********************************************************************
C O N S T R U C T O R
*********************************************************************/
DOCConduit::DOCConduit(KPilotLink * o,
const char *n, const TQStringList & a):ConduitAction(o, n, a)
{
FUNCTIONSETUP;
fConduitName=i18n("DOC");
}
DOCConduit::~DOCConduit()
{
FUNCTIONSETUP;
}
bool DOCConduit::isCorrectDBTypeCreator(DBInfo dbinfo) {
return dbinfo.type == dbtype() && dbinfo.creator == dbcreator();
}
const unsigned long DOCConduit::dbtype() {
return get_long(DOCConduitFactory::dbDOCtype);
}
const unsigned long DOCConduit::dbcreator() {
return get_long(DOCConduitFactory::dbDOCcreator);
}
/*********************************************************************
L O A D I N G T H E D A T A
*********************************************************************/
void DOCConduit::readConfig()
{
FUNCTIONSETUP;
DOCConduitSettings::self()->readConfig();
eConflictResolution = (enum eSyncDirectionEnum) (DOCConduitSettings::conflictResolution() );
fTXTBookmarks = DOCConverter::eBmkNone;
if ( DOCConduitSettings::convertBookmarks() )
{
if ( DOCConduitSettings::bmkFileBookmarks() )
fTXTBookmarks |= DOCConverter::eBmkFile;
if ( DOCConduitSettings::inlineBookmarks() )
fTXTBookmarks |= DOCConverter::eBmkInline;
if ( DOCConduitSettings::endtagBookmarks() )
fTXTBookmarks |= DOCConverter::eBmkEndtags;
}
eSyncDirection = (enum eSyncDirectionEnum)(DOCConduitSettings::syncDirection() );
#ifdef DEBUG
DEBUGKPILOT << fname
<< ": Settings "
<< " tXTDirectory=" << DOCConduitSettings::tXTDirectory()
<< " pDBDirectory=" << DOCConduitSettings::pDBDirectory()
<< " keepPDBLocally=" << DOCConduitSettings::keepPDBsLocally()
<< " eConflictResolution=" << eConflictResolution
<< " tXTBookmarks=" << fTXTBookmarks
<< " pDBBookmarks=" << DOCConduitSettings::bookmarksToPC()
<< " compress=" << DOCConduitSettings::compress()
<< " eSyncDirection=" << eSyncDirection << endl;
#endif
}
bool DOCConduit::pcTextChanged(TQString txtfn)
{
FUNCTIONSETUP;
// How do I find out if a text file has changed shince we last synced it??
// Use KMD5 for now. If I realize it is too slow, then I have to go back to comparing modification times
// if there is no config setting yet, assume the file has been changed. the md5 sum will be written to the config file after the sync.
TQString oldDigest=DOCConduitSettings::self()->config()->readEntry(txtfn);
if (oldDigest.length()<=0)
{
return true;
}
#ifdef DEBUG
DEBUGKPILOT<<"Old digest is "<<oldDigest<<endl;
#endif
KMD5 docmd5;
TQFile txtfile(txtfn);
if (txtfile.open(IO_ReadOnly)){
docmd5.update(*TQT_TQIODEVICE(&txtfile));
TQString thisDigest(docmd5.hexDigest() /* .data() */);
#ifdef DEBUG
DEBUGKPILOT<<"New digest is "<<thisDigest<<endl;
#endif
return (thisDigest.length()<=0) || (thisDigest!=oldDigest);
} else {
// File does not exist. This should actually never happen. Anyways, just return true to indicate it has changed.
// doSync should detect this and delete the doc from the handheld.
return true;
}
return false;
}
bool DOCConduit::hhTextChanged(PilotDatabase*docdb)
{
FUNCTIONSETUP;
if (!docdb) return false;
PilotRecord *firstRec = docdb->readRecordByIndex(0);
PilotDOCHead docHeader(firstRec);
KPILOT_DELETE(firstRec);
int storyRecs = docHeader.numRecords;
// determine the index of the next modified record (does it lie
// beyond the actual text records?)
int modRecInd=-1;
PilotRecord*modRec=docdb->readNextModifiedRec(&modRecInd);
#ifdef DEBUG
DEBUGKPILOT<<"Index of first changed record: "<<modRecInd<<endl;
#endif
KPILOT_DELETE(modRec);
// if the header record was changed, find out which is the first changed
// real document record:
if (modRecInd==0) {
modRec=docdb->readNextModifiedRec(&modRecInd);
#ifdef DEBUG
DEBUGKPILOT<<"Reread Index of first changed records: "<<modRecInd<<endl;
#endif
KPILOT_DELETE(modRec);
}
// The record index starts with 0, so only a negative number means
// no modified record was found
if (modRecInd >= 0) {
#ifdef DEBUG
DEBUGKPILOT<<"Handheld side has changed, condition="<<
((!DOCConduitSettings::ignoreBmkChanges()) || (modRecInd <= storyRecs))<<endl;
#endif
if ((!DOCConduitSettings::ignoreBmkChanges()) || (modRecInd <= storyRecs))
return true;
} else {
#ifdef DEBUG
DEBUGKPILOT<<"Handheld side has NOT changed!"<<endl;
#endif
return false;
}
return false;
}
/*********************************************************************
* Helper functions
********************************************************************/
TQString DOCConduit::constructPDBFileName(TQString name) {
FUNCTIONSETUP;
TQString fn;
TQDir dr(DOCConduitSettings::pDBDirectory());
TQFileInfo pth(dr, name);
if (!name.isEmpty()) fn=pth.absFilePath()+CSL1(".pdb");
return fn;
}
TQString DOCConduit::constructTXTFileName(TQString name) {
FUNCTIONSETUP;
TQString fn;
TQDir dr( DOCConduitSettings::tXTDirectory() );
TQFileInfo pth(dr, name);
if (!name.isEmpty()) fn=pth.absFilePath()+CSL1(".txt");
return fn;
}
/*********************************************************************
S Y N C S T R U C T U R E
*********************************************************************/
/* virtual */ bool DOCConduit::exec()
{
FUNCTIONSETUP;
readConfig();
dbnr=0;
emit logMessage(i18n("Searching for texts and databases to synchronize"));
TQTimer::singleShot(0, this, TQT_SLOT(syncNextDB()));
return true;
}
bool DOCConduit::doSync(docSyncInfo &sinfo)
{
FUNCTIONSETUP;
bool res=false;
if (sinfo.direction==eSyncDelete) {
if (!sinfo.txtfilename.isEmpty()) {
if (!TQFile::remove(sinfo.txtfilename)) {
WARNINGKPILOT << "Unable to delete the text file " << sinfo.txtfilename << " on the PC" << endl;
}
TQString bmkfilename = sinfo.txtfilename;
if (bmkfilename.endsWith(CSL1(".txt"))){
bmkfilename.remove(bmkfilename.length()-4, 4);
}
bmkfilename+=CSL1(PDBBMK_SUFFIX);
if (!TQFile::remove(bmkfilename)) {
#ifdef DEBUG
DEBUGKPILOT<<"Could not remove bookmarks file "<<bmkfilename<<" for database "<<sinfo.handheldDB<<endl;
#endif
}
}
if (!sinfo.pdbfilename.isEmpty() && DOCConduitSettings::keepPDBsLocally() ) {
PilotLocalDatabase*database=new PilotLocalDatabase(DOCConduitSettings::pDBDirectory(),
TQString::fromLatin1(sinfo.dbinfo.name), false);
if (database) {
if ( database->deleteDatabase() !=0 ) {
WARNINGKPILOT << "Unable to delete database " << sinfo.dbinfo.name << " on the PC" << endl;
}
KPILOT_DELETE(database);
}
}
if (!DOCConduitSettings::localSync()) {
PilotDatabase *database=deviceLink()->database( sinfo.dbinfo.name );
if ( database->deleteDatabase() !=0 ) {
WARNINGKPILOT << "Unable to delete database " << sinfo.dbinfo.name << " from the handheld" << endl;
}
KPILOT_DELETE(database);
}
return true;
}
// preSyncAction should initialize the custom databases/files for the
// specific action chosen for this db and return a pointer to a docDBInfo
// instance which points either to a local database or a database on the handheld.
PilotDatabase *database = preSyncAction(sinfo);
if (database && ( !database->isOpen() ) ) {
#ifdef DEBUG
DEBUGKPILOT<<"Database "<<sinfo.dbinfo.name<<" does not yet exist. Creating it:"<<endl;
#endif
if (!database->createDatabase(dbcreator(), dbtype()) ) {
#ifdef DEBUG
DEBUGKPILOT<<"Failed"<<endl;
emit logMessage(i18n("Database created."));
#endif
}
}
if (database && database->isOpen()) {
DOCConverter docconverter;
connect(&docconverter, TQT_SIGNAL(logError(const TQString &)), TQT_SIGNAL(logError(const TQString &)));
connect(&docconverter, TQT_SIGNAL(logMessage(const TQString &)), TQT_SIGNAL(logMessage(const TQString &)));
docconverter.setTXTpath( DOCConduitSettings::tXTDirectory(), sinfo.txtfilename );
docconverter.setPDB(database);
docconverter.setCompress(DOCConduitSettings::compress());
switch (sinfo.direction) {
case eSyncPDAToPC:
docconverter.setBookmarkTypes(DOCConduitSettings::bookmarksToPC());
res = docconverter.convertPDBtoTXT();
break;
case eSyncPCToPDA:
docconverter.setBookmarkTypes(fTXTBookmarks);
res = docconverter.convertTXTtoPDB();
break;
default:
break;
}
// Now calculate the md5 checksum of the PC text and write it to the config file
if (res)
{
KMD5 docmd5;
TQFile txtfile(docconverter.txtFilename());
if (txtfile.open(IO_ReadOnly)) {
docmd5.update(*TQT_TQIODEVICE(&txtfile));
TQString thisDigest(docmd5.hexDigest() /* .data() */);
DOCConduitSettings::self()->config()->writeEntry(docconverter.txtFilename(), thisDigest);
DOCConduitSettings::self()->config()->sync();
#ifdef DEBUG
DEBUGKPILOT<<"MD5 Checksum of the text "<<sinfo.txtfilename<<" is "<<thisDigest<<endl;
#endif
} else {
#ifdef DEBUG
DEBUGKPILOT<<"couldn't open file "<<docconverter.txtFilename()<<" for reading!!!"<<endl;
#endif
}
}
if (!postSyncAction(database, sinfo, res))
emit logError(i18n("Unable to install the locally created PalmDOC %1 to the handheld.")
.arg(TQString::fromLatin1(sinfo.dbinfo.name)));
if (!res)
emit logError(i18n("Conversion of PalmDOC \"%1\" failed.")
.arg(TQString::fromLatin1(sinfo.dbinfo.name)));
// disconnect(&docconverter, TQT_SIGNAL(logError(const TQString &)), TQT_SIGNAL(logError(const TQString &)));
// disconnect(&docconverter, TQT_SIGNAL(logMessage(const TQString &)), TQT_SIGNAL(logMessage(const TQString &)));
// KPILOT_DELETE(database);
}
else
{
emit logError(i18n("Unable to open or create the database %1.")
.arg(TQString::fromLatin1(sinfo.dbinfo.name)));
}
return res;
}
/** syncNextDB walks through all PalmDoc databases on the handheld and decides if they are supposed to be synced to the PC.
* syncNextDB and syncNextTXT fist build the list of all PalmDoc texts, and then the method syncDatabases does the actual sync. */
void DOCConduit::syncNextDB() {
FUNCTIONSETUP;
DBInfo dbinfo;
if (eSyncDirection==eSyncPCToPDA || fHandle->findDatabase(NULL, &dbinfo, dbnr, dbtype(), dbcreator() /*, cardno */ ) < 0)
{
// no more databases available, so check for PC->Palm sync
TQTimer::singleShot(0, this, TQT_SLOT(syncNextTXT()));
return;
}
dbnr=dbinfo.index+1;
#ifdef DEBUG
DEBUGKPILOT<<"Next Palm database to sync: "<<dbinfo.name<<", Index="<<dbinfo.index<<endl;
#endif
// if creator and/or type don't match, go to next db
if (!isCorrectDBTypeCreator(dbinfo) ||
fDBNames.contains(TQString::fromLatin1(dbinfo.name)))
{
TQTimer::singleShot(0, this, TQT_SLOT(syncNextDB()));
return;
}
TQString txtfilename=constructTXTFileName(TQString::fromLatin1(dbinfo.name));
TQString pdbfilename=constructPDBFileName(TQString::fromLatin1(dbinfo.name));
docSyncInfo syncInfo(TQString::fromLatin1(dbinfo.name),
txtfilename, pdbfilename, eSyncNone);
syncInfo.dbinfo=dbinfo;
needsSync(syncInfo);
fSyncInfoList.append(syncInfo);
fDBNames.append(TQString::fromLatin1(dbinfo.name));
TQTimer::singleShot(0, this, TQT_SLOT(syncNextDB()));
return;
}
void DOCConduit::syncNextTXT()
{
FUNCTIONSETUP;
if (eSyncDirection==eSyncPDAToPC )
{
// We don't sync from PC to PDB, so start the conflict resolution and then the actual sync process
docnames.clear();
TQTimer::singleShot(0, this, TQT_SLOT(checkPDBFiles()));
return;
}
// if docnames isn't initialized, get a list of all *.txt files in DOCConduitSettings::tXTDirectory()
if (docnames.isEmpty()/* || dociterator==docnames.end() */) {
docnames=TQDir( DOCConduitSettings::tXTDirectory(), CSL1("*.txt")).entryList() ;
dociterator=docnames.begin();
}
if (dociterator==docnames.end()) {
// no more databases available, so start the conflict resolution and then the actual sync proces
docnames.clear();
TQTimer::singleShot(0, this, TQT_SLOT(checkPDBFiles()));
return;
}
TQString fn=(*dociterator);
TQDir dr( DOCConduitSettings::tXTDirectory() );
TQFileInfo fl(dr, fn );
TQString txtfilename=fl.absFilePath();
TQString pdbfilename;
++dociterator;
DBInfo dbinfo;
// Include all "extensions" except the last. This allows full stops inside the database name (e.g. abbreviations)
// first fill everything with 0, so we won't have a buffer overflow.
memset(&dbinfo.name[0], 0, 33);
strncpy(&dbinfo.name[0], fl.baseName(TRUE).latin1(), 30);
bool alreadySynced=fDBNames.contains(fl.baseName(TRUE));
if (!alreadySynced) {
docSyncInfo syncInfo(TQString::fromLatin1(dbinfo.name),
txtfilename, pdbfilename, eSyncNone);
syncInfo.dbinfo=dbinfo;
needsSync(syncInfo);
fSyncInfoList.append(syncInfo);
fDBNames.append(TQString::fromLatin1(dbinfo.name));
} else {
#ifdef DEBUG
DEBUGKPILOT<<txtfilename<<" has already been synced, skipping it."<<endl;
#endif
}
TQTimer::singleShot(0, this, TQT_SLOT(syncNextTXT()));
return;
}
/** This slot will only be used if DOCConduitSettings::keepPDBsLocally() to check if new doc databases have been copied to the pdb directory.
* If so, install it to the handheld and sync it to the PC */
void DOCConduit::checkPDBFiles() {
FUNCTIONSETUP;
if ( DOCConduitSettings::localSync() || !DOCConduitSettings::keepPDBsLocally() || eSyncDirection==eSyncPCToPDA )
{
// no more databases available, so check for PC->Palm sync
TQTimer::singleShot(0, this, TQT_SLOT(checkDeletedDocs()));
return;
}
// Walk through all files in the pdb directory and check if it has already been synced.
// if docnames isn't initialized, get a list of all *.pdb files in DOCConduitSettings::pDBDirectory()
if (docnames.isEmpty()/* || dociterator==docnames.end() */) {
docnames=TQDir(DOCConduitSettings::pDBDirectory(), CSL1("*.pdb")).entryList() ;
dociterator=docnames.begin();
}
if (dociterator==docnames.end()) {
// no more databases available, so start the conflict resolution and then the actual sync proces
docnames.clear();
TQTimer::singleShot(0, this, TQT_SLOT(checkDeletedDocs()));
return;
}
TQString fn=(*dociterator);
TQDir dr(DOCConduitSettings::pDBDirectory());
TQFileInfo fl(dr, fn );
TQString pdbfilename=fl.absFilePath();
++dociterator;
// Get the doc title and check if it has already been synced (in the synced docs list of in fDBNames to be synced)
// If the doc title doesn't appear in either list, install it to the Handheld, and add it to the list of dbs to be synced.
TQString dbname=fl.baseName(TRUE).left(30);
if (!fDBNames.contains(dbname) && !fDBListSynced.contains(dbname)) {
if (fHandle->installFiles(pdbfilename, false)) {
DBInfo dbinfo;
// Include all "extensions" except the last. This allows full stops inside the database name (e.g. abbreviations)
// first fill everything with 0, so we won't have a buffer overflow.
memset(&dbinfo.name[0], 0, 33);
strncpy(&dbinfo.name[0], dbname.latin1(), 30);
docSyncInfo syncInfo(dbname, constructTXTFileName(dbname), pdbfilename, eSyncNone);
syncInfo.dbinfo=dbinfo;
needsSync(syncInfo);
fSyncInfoList.append(syncInfo);
fDBNames.append(dbname);
} else {
#ifdef DEBUG
DEBUGKPILOT<<"Could not install database "<<dbname<<" ("<<pdbfilename<<") to the handheld"<<endl;
#endif
}
}
TQTimer::singleShot(0, this, TQT_SLOT(checkPDBFiles()));
}
void DOCConduit::checkDeletedDocs()
{
FUNCTIONSETUP;
for (TQStringList::Iterator it=fDBListSynced.begin(); it!=fDBListSynced.end(); ++it ) {
if (!fDBNames.contains(*it)) {
// We need to delete this doc:
TQString dbname(*it);
TQString txtfilename=constructTXTFileName(dbname);
TQString pdbfilename=constructPDBFileName(dbname);
docSyncInfo syncInfo(dbname, txtfilename, pdbfilename, eSyncDelete);
DBInfo dbinfo;
memset(&dbinfo.name[0], 0, 33);
strncpy(&dbinfo.name[0], dbname.latin1(), 30);
syncInfo.dbinfo=dbinfo;
fSyncInfoList.append(syncInfo);
}
}
TQTimer::singleShot(0, this, TQT_SLOT(resolve()));
return;
}
void DOCConduit::resolve() {
FUNCTIONSETUP;
for (fSyncInfoListIterator=fSyncInfoList.begin(); fSyncInfoListIterator!=fSyncInfoList.end(); ++fSyncInfoListIterator) {
// Walk through each database and apply the conflictResolution option.
// the remaining conflicts will be resolved in the resolution dialog
if ((*fSyncInfoListIterator).direction==eSyncConflict){
#ifdef DEBUG
DEBUGKPILOT<<"We have a conflict for "<<(*fSyncInfoListIterator).handheldDB<<", default="<<eConflictResolution<<endl;
#endif
switch (eConflictResolution)
{
case eSyncPDAToPC:
#ifdef DEBUG
DEBUGKPILOT<<"PDA overrides for database "<<(*fSyncInfoListIterator).handheldDB<<endl;
#endif
(*fSyncInfoListIterator).direction = eSyncPDAToPC;
break;
case eSyncPCToPDA:
#ifdef DEBUG
DEBUGKPILOT<<"PC overrides for database "<<(*fSyncInfoListIterator).handheldDB<<endl;
#endif
(*fSyncInfoListIterator).direction = eSyncPCToPDA;
break;
case eSyncNone:
#ifdef DEBUG
DEBUGKPILOT<<"No sync for database "<<(*fSyncInfoListIterator).handheldDB<<endl;
#endif
(*fSyncInfoListIterator).direction = eSyncNone;
break;
case eSyncDelete:
case eSyncConflict:
default:
#ifdef DEBUG
DEBUGKPILOT<<"Conflict remains due to default resolution setting for database "<<(*fSyncInfoListIterator).handheldDB<<endl;
#endif
break;
}
}
}
// Show the conflict resolution dialog and ask for the action for each database
ResolutionDialog*dlg=new ResolutionDialog( 0, i18n("Conflict Resolution"), &fSyncInfoList , fHandle);
bool show=DOCConduitSettings::alwaysShowResolutionDialog() || (dlg && dlg->hasConflicts);
if (show) {
if (!dlg || !dlg->exec() ) {
KPILOT_DELETE(dlg)
emit logMessage(i18n("Sync aborted by user."));
TQTimer::singleShot(0, this, TQT_SLOT(cleanup()));
return;
}
}
KPILOT_DELETE(dlg)
// fDBNames will be filled with the names of the databases that are actually synced (not deleted), so I can write the list to the config file
fDBNames.clear();
fSyncInfoListIterator=fSyncInfoList.begin();
TQTimer::singleShot(0,this, TQT_SLOT(syncDatabases()));
return;
}
void DOCConduit::syncDatabases() {
FUNCTIONSETUP;
if (fSyncInfoListIterator==fSyncInfoList.end()) {
// We're done, so clean up
TQTimer::singleShot(0, this, TQT_SLOT(cleanup()));
return;
}
docSyncInfo sinfo=(*fSyncInfoListIterator);
++fSyncInfoListIterator;
switch (sinfo.direction) {
case eSyncConflict:
#ifdef DEBUG
DEBUGKPILOT<<"Entry "<<sinfo.handheldDB<<"( txtfilename: "<<sinfo.txtfilename<<
", pdbfilename: "<<sinfo.pdbfilename<<") had sync direction eSyncConflict!!!"<<endl;
#endif
break;
case eSyncDelete:
case eSyncPDAToPC:
case eSyncPCToPDA:
emit logMessage(i18n("Synchronizing text \"%1\"").arg(sinfo.handheldDB));
if (!doSync(sinfo)) {
// The sync could not be done, so inform the user (the error message should probably issued inside doSync)
#ifdef DEBUG
DEBUGKPILOT<<"There was some error syncing the text \""<<sinfo.handheldDB<<"\" with the file "<<sinfo.txtfilename<<endl;
#endif
}
break;
case eSyncNone:
// case eSyncAll:
break;
}
if (sinfo.direction != eSyncDelete) fDBNames.append(sinfo.handheldDB);
TQTimer::singleShot(0,this, TQT_SLOT(syncDatabases()));
return;
}
PilotDatabase*DOCConduit::openDOCDatabase(const TQString &dbname) {
if (DOCConduitSettings::localSync())
{
return new PilotLocalDatabase(DOCConduitSettings::pDBDirectory(), dbname, false);
}
else
{
return deviceLink()->database( dbname );
}
}
bool DOCConduit::needsSync(docSyncInfo &sinfo)
{
FUNCTIONSETUP;
sinfo.direction = eSyncNone;
PilotDatabase*docdb=openDOCDatabase(TQString::fromLatin1(sinfo.dbinfo.name));
if (!fDBListSynced.contains(sinfo.handheldDB)) {
// the database wasn't included on last sync, so it has to be new.
#ifdef DEBUG
DEBUGKPILOT<<"Database "<<sinfo.dbinfo.name<<" wasn't included in the previous sync!"<<endl;
#endif
/* Resolution Table:
PC HH | normal PC->HH HH->PC
-----------------------------------------
N - | P P D
- N | H D H
N N | C P H
*/
if (TQFile::exists(sinfo.txtfilename)) sinfo.fPCStatus=eStatNew;
else sinfo.fPCStatus=eStatDoesntExist;
if (docdb && docdb->isOpen()) sinfo.fPalmStatus=eStatNew;
else sinfo.fPalmStatus=eStatDoesntExist;
KPILOT_DELETE(docdb);
switch (eSyncDirection) {
case eSyncPDAToPC:
if (sinfo.fPalmStatus==eStatDoesntExist)
sinfo.direction=eSyncDelete;
else sinfo.direction=eSyncPDAToPC;
break;
case eSyncPCToPDA:
if (sinfo.fPCStatus==eStatDoesntExist)
sinfo.direction=eSyncDelete;
else sinfo.direction=eSyncPCToPDA;
break;
case eSyncNone: // means actually both directions!
if (sinfo.fPCStatus==eStatNew) {
if (sinfo.fPalmStatus==eStatNew) sinfo.direction=eSyncConflict;
else sinfo.direction=eSyncPCToPDA;
} else {
if (sinfo.fPalmStatus==eStatNew) sinfo.direction=eSyncPDAToPC;
else {
sinfo.direction=eSyncNone;
#ifdef DEBUG
DEBUGKPILOT<<"I'm supposed to find a sync direction, but the "<<
" text "<<sinfo.dbinfo.name<<" doesn't exist on either "<<
" the handheld or the PC"<<endl;
#endif
}
}
break;
default:
break;
}
return true;
}
// Text was included in the last sync
if (!TQFile::exists(sinfo.txtfilename)) sinfo.fPCStatus=eStatDeleted;
else if(pcTextChanged(sinfo.txtfilename)) {
sinfo.fPCStatus=eStatChanged;
#ifdef DEBUG
DEBUGKPILOT<<"PC side has changed!"<<endl;
#endif
// TODO: Check for changed bookmarks on the PC side
#ifdef DEBUG
} else {
DEBUGKPILOT<<"PC side has NOT changed!"<<endl;
#endif
}
if (!docdb || !docdb->isOpen()) sinfo.fPalmStatus=eStatDeleted;
else if (hhTextChanged(docdb)) {
#ifdef DEBUG
DEBUGKPILOT<<"Handheld side has changed!"<<endl;
#endif
sinfo.fPalmStatus=eStatChanged;
#ifdef DEBUG
} else {
DEBUGKPILOT<<"Handheld side has NOT changed!"<<endl;
#endif
}
KPILOT_DELETE(docdb);
// Now that we know the status of both sides, determine what to do.
/* Resolution Table:
PC HH | normal PC->HH HH->PC
-----------------------------------------
- - | - - -
C - | P P H
- C | H P H
C C | C P H
D - | D D H
- D | D P D
D D | D D D
-----------------------------------------
C D | C P D
D C | C D H
*/
if (sinfo.fPCStatus == eStatNone && sinfo.fPalmStatus==eStatNone) {
#ifdef DEBUG
DEBUGKPILOT<<"Nothing has changed, not need for a sync."<<endl;
#endif
sinfo.direction=eSyncNone;
return false;
}
// In all other cases, if only one direction (PC->HH or HH->PC)
// should be done, check if the DB was deleted or if we are supposed
// to sync that direction
if (eSyncDirection==eSyncPCToPDA) {
if (sinfo.fPCStatus==eStatDeleted) sinfo.direction=eSyncDelete;
else sinfo.direction=eSyncPCToPDA;
return true;
}
if (eSyncDirection==eSyncPDAToPC) {
if (sinfo.fPalmStatus==eStatDeleted) sinfo.direction=eSyncDelete;
else sinfo.direction=eSyncPDAToPC;
return true;
}
// ---------------------------------------------------------------
// Finally, do the normal case, where both directions are possible
// ---------------------------------------------------------------
// if either is deleted, and the other is not changed, delete
if ( ((sinfo.fPCStatus==eStatDeleted) && (sinfo.fPalmStatus!=eStatChanged)) ||
((sinfo.fPalmStatus==eStatDeleted) && (sinfo.fPCStatus!=eStatChanged)) )
{
#ifdef DEBUG
DEBUGKPILOT<<"DB was deleted on one side and not changed on "
"the other -> Delete it."<<endl;
#endif
sinfo.direction=eSyncDelete;
return true;
}
// eStatDeleted (and both not changed) have already been treated, for all
// other values in combination with eStatNone, just copy the texts.
if (sinfo.fPCStatus==eStatNone) {
#ifdef DEBUG
DEBUGKPILOT<<"PC side has changed!"<<endl;
#endif
sinfo.direction=eSyncPDAToPC;
return true;
}
if (sinfo.fPalmStatus==eStatNone) {
sinfo.direction=eSyncPCToPDA;
return true;
}
// All other cases
// (deleted,changed), (changed, deleted), (changed,changed)
// create a conflict:
sinfo.direction=eSyncConflict;
return true;
}
PilotDatabase *DOCConduit::preSyncAction(docSyncInfo &sinfo) const
{
FUNCTIONSETUP;
{
// make sure the dir for the local texts really exists!
TQDir dir( DOCConduitSettings::tXTDirectory() );
if (!dir.exists())
{
dir.mkdir(dir.absPath());
}
}
DBInfo dbinfo=sinfo.dbinfo;
switch (sinfo.direction)
{
case eSyncPDAToPC:
if (DOCConduitSettings::keepPDBsLocally())
{
// make sure the dir for the local db really exists!
TQDir dir(DOCConduitSettings::pDBDirectory());
if (!dir.exists())
{
dir.mkdir(dir.absPath());
}
#ifdef DEBUG
DEBUGKPILOT<<"Need to fetch database "<<dbinfo.name<<
" to the directory "<<dir.absPath()<<endl;
#endif
dbinfo.flags &= ~dlpDBFlagOpen;
if (!fHandle->retrieveDatabase(sinfo.pdbfilename, &dbinfo) )
{
WARNINGKPILOT << "Unable to retrieve database " << dbinfo.name <<
" from the handheld into " << sinfo.pdbfilename << "." << endl;
return 0L;
}
}
break;
case eSyncPCToPDA:
if (DOCConduitSettings::keepPDBsLocally())
{
// make sure the dir for the local db really exists!
TQDir dir(DOCConduitSettings::pDBDirectory());
if (!dir.exists())
{
dir.mkdir(dir.absPath());
}
}
break;
default:
break;
}
if (DOCConduitSettings::keepPDBsLocally())
{
return new PilotLocalDatabase(DOCConduitSettings::pDBDirectory(),
TQString::fromLatin1(dbinfo.name), false);
}
else
{
return deviceLink()->database(TQString::fromLatin1(dbinfo.name));
}
}
// res gives us information whether the sync worked and the db might need to be
// transferred to the handheld or not (and we just need to clean up the mess)
bool DOCConduit::postSyncAction(PilotDatabase * database,
docSyncInfo &sinfo, bool res)
{
FUNCTIONSETUP;
bool rs = true;
switch (sinfo.direction)
{
case eSyncPDAToPC:
// also reset the sync flags on the handheld
#ifdef DEBUG
DEBUGKPILOT<<"Resetting sync flags for database "
<<sinfo.dbinfo.name<<endl;
#endif
if (DOCConduitSettings::keepPDBsLocally() && !DOCConduitSettings::localSync())
{
PilotDatabase*db=deviceLink()->database(
TQString::fromLatin1(sinfo.dbinfo.name));
#ifdef DEBUG
DEBUGKPILOT<<"Middle 1 Resetting sync flags for database "
<<sinfo.dbinfo.name<<endl;
#endif
if (db)
{
db->resetSyncFlags();
KPILOT_DELETE(db);
}
}
#ifdef DEBUG
DEBUGKPILOT<<"End Resetting sync flags for database "
<<sinfo.dbinfo.name<<endl;
#endif
break;
case eSyncPCToPDA:
if (DOCConduitSettings::keepPDBsLocally() && !DOCConduitSettings::localSync() && res)
{
// Copy the database to the palm
PilotLocalDatabase*localdb=dynamic_cast<PilotLocalDatabase*>(database);
if (localdb)
{
#ifdef DEBUG
DEBUGKPILOT<<"Installing file "<<localdb->dbPathName()<<" ("
<<sinfo.handheldDB<<") to the handheld"<<endl;
#endif
TQString dbpathname=localdb->dbPathName();
// This deletes localdb as well, which is just a cast from database
KPILOT_DELETE(database);
if (!fHandle->installFiles(dbpathname, false))
{
rs = false;
#ifdef DEBUG
DEBUGKPILOT<<"Could not install the database "<<dbpathname<<" ("
<<sinfo.handheldDB<<")"<<endl;
#endif
}
}
}
default:
break;
}
#ifdef DEBUG
DEBUGKPILOT<<"Vor KPILOT_DELETE(database)"<<endl;
#endif
KPILOT_DELETE(database);
#ifdef DEBUG
DEBUGKPILOT<<"End postSyncAction"<<endl;
#endif
return rs;
}
void DOCConduit::cleanup()
{
FUNCTIONSETUP;
DOCConduitSettings::setConvertedDOCfiles( fDBNames );
DOCConduitSettings::self()->writeConfig();
emit syncDone(this);
}