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Diffstat (limited to 'kpilot/lib/recordConduit.h')
-rw-r--r-- | kpilot/lib/recordConduit.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/kpilot/lib/recordConduit.h b/kpilot/lib/recordConduit.h new file mode 100644 index 000000000..d12ceef2e --- /dev/null +++ b/kpilot/lib/recordConduit.h @@ -0,0 +1,181 @@ +#ifndef _KPILOT_RECORDCONDUIT_H +#define _KPILOT_RECORDCONDUIT_H +/* record-conduit.h KPilot +** +** Copyright (C) 2005 by Adriaan de Groot +** +*/ + +/* +** 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 +*/ + +#include <qtimer.h> +#include <klocale.h> + +#include "plugin.h" +#include "pilot.h" +#include "pilotDatabase.h" +#include "kpilotdevicelink.h" + +class KPilotDeviceLink; + +/** @file +* +* This file defines a generic syncing framework for Palm Pilot oriented data. +* It is a lot like KitchenSync's Syncees and such. Basically, we define a +* generic container for data on the PC side and give that container an API +* for searching for a specific handheld record. Syncing consists of iterating +* through the handheld's records and looking up the PC data for each record, +* and then syncing. +* +*/ + +/** An intermediate class that introduces the slots we need for our sync +* implementation. This is here _only_ because mixing moc with template +* classes sounds really scary. +*/ + +class RecordConduitBase : public ConduitAction +{ +Q_OBJECT +public: + /** Constructor. The QStringList @p a sets flags for the ConduitAction. + */ + RecordConduitBase(KPilotDeviceLink *o, + const char *n, + const QStringList a = QStringList()) : + ConduitAction(o,n,a), + fTimer(0L) + { + } ; + /** Destructor. */ + virtual ~RecordConduitBase() + { + // delete fTimer; // Timer is a child object + } ; + + /** Return values for the processing functions. Each should return + * NotDone if it needs to be called again (e.g. to process another record), + * Done if it is finished and something else should be done, and + * Error if the sync cannot be completed. + */ + enum SyncProgress { NotDone=0, Done=1, Error=2 } ; + + /** Returns a human-readable name for the progress indicator @p s */ + static QString name(SyncProgress s); + + /** State of the conduit's sync. This is changed by process(). */ + enum States { Initialize, PalmToPC, PCToPalm, Cleanup } ; + + static QString name(States s); + +protected: + /** Function called at the beginning of a sync to load data from the PC. + * @return Done when the load has finished. + * @see process + */ + virtual SyncProgress loadPC() = 0; + + /** Function called repeatedly to fetch the next modified entry from the Palm and + * sync it with the PC by looking up the record, and calling the syncer for it. + * + * @return Dome when there are no more modified records on the Palm + * @see process() + */ + virtual SyncProgress palmRecToPC() = 0; + + /** Function called repeatedly to fetch the next modified entry from the PC and + * sync it with the Palm by looking up the record and calling the syncer for it. + * + * @return Done when there are no more modified records on the PC + * @see process() + */ + virtual SyncProgress pcRecToPalm() = 0; + + /** Function called at the end of this conduit's sync, which should reset DB flags + * and write changed config data out to disk. + * + * @return Done when the cleanup is complete. + * @see process() + */ + virtual SyncProgress cleanup() = 0; + +protected slots: + /** Slot used for the implementation of a state machine: calls each of the + * relevant other slots (above) as needed until they return true. + */ + void process(); + +protected: + virtual bool exec(); + +private: + /** Timer to signal the process() slot. Used to keep the UI responsive. */ + QTimer *fTimer; + + States fState; + + Pilot::RecordIDList fIDList; + Pilot::RecordIDList::Iterator fIDListIterator; + + QString fDBName; +} ; + +template <class PCEntry, class PCContainer, class HHEntry, class HHAppInfo, class Syncer> +class RecordConduit : public RecordConduitBase +{ +public: + /** Construct a record conduit on a given device link. */ + RecordConduit( + KPilotDeviceLink *o /**< Connection to HH */, + const char *n /**< Name for QObject */, + const QStringList a = QStringList() /**< Flags */) : + RecordConduitBase(o,n,a) + { + } ; + virtual ~RecordConduit() + { + } ; + + virtual SyncProgress loadPC() + { + return Done; + } ; + + virtual SyncProgress palmRecToPC() + { + return Done; + } + + virtual SyncProgress pcRecToPalm() + { + return Done; + } + + virtual SyncProgress cleanup() + { + return Done; + } +} ; + + +#endif + |