1 files changed, 830 insertions, 0 deletions

diff --git a/library/backend/event.cpp b/library/backend/event.cpp
new file mode 100644
index 0000000..50a663d
--- a/dev/null
+++ b/library/backend/event.cpp
@@ -0,0 +1,830 @@
+/**********************************************************************
+** Copyright (C) 2001 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "event.h"

+#include "qfiledirect_p.h"
+#include <qpe/timeconversion.h>
+#include <qpe/stringutil.h>
+#include <qpe/recordfields.h>
+#include <qbuffer.h>
+#include <time.h>
+#include "vobject_p.h"
+
+#include <stdio.h>
+
+using namespace Qtopia;
+
+static void write( QString& buf, const Event::RepeatPattern &r )
+{
+    buf += " rtype=\"";
+    switch ( r.type ) {
+        case Event::Daily:
+            buf += "Daily";
+            break;
+        case Event::Weekly:
+            buf += "Weekly";
+            break;
+        case Event::MonthlyDay:
+            buf += "MonthlyDay";
+            break;
+        case Event::MonthlyDate:
+            buf += "MonthlyDate";
+            break;
+        case Event::Yearly:
+            buf += "Yearly";
+            break;
+        default:
+            buf += "NoRepeat";
+            break;
+    }
+    buf += "\"";
+    if ( r.days > 0 )
+        buf += " rweekdays=\"" + QString::number( static_cast<int>( r.days ) ) + "\"";
+    if ( r.position != 0 )
+        buf += " rposition=\"" + QString::number( r.position ) + "\"";
+
+    buf += " rfreq=\"" + QString::number( r.frequency ) + "\"";
+    buf += " rhasenddate=\"" + QString::number( static_cast<int>( r.hasEndDate ) ) + "\"";
+     if ( r.hasEndDate )
+        buf += " enddt=\""
+               + QString::number( r.endDateUTC ? r.endDateUTC : time( 0 ) )
+               + "\"";
+    buf += " created=\"" + QString::number( r.createTime ) + "\"";
+}
+
+Qtopia::UidGen Event::sUidGen( Qtopia::UidGen::Qtopia );
+
+Event::Event() : Record()
+{
+    startUTC = endUTC = time( 0 );
+    typ = Normal;
+    hAlarm = FALSE;
+    hRepeat = FALSE;
+    aMinutes = 0;
+    aSound = Silent;
+    pattern.type = NoRepeat;
+    pattern.frequency = -1;
+}
+
+Event::Event( const QMap<int, QString> &map )
+{
+    setDescription( map[DatebookDescription] );
+    setLocation( map[Location] );
+    setCategories( idsFromString( map[DatebookCategory] ) );
+    setTimeZone( map[TimeZone] );
+    setNotes( map[Note] );
+    setStart( TimeConversion::fromUTC( map[StartDateTime].toUInt() ) );
+    setEnd( TimeConversion::fromUTC( map[EndDateTime].toUInt() ) );
+    setType( (Event::Type) map[DatebookType].toInt() );
+    setAlarm( ( map[HasAlarm] == "1" ? TRUE : FALSE ), map[AlarmTime].toInt(), (Event::SoundTypeChoice)map[SoundType].toInt() );
+    Event::RepeatPattern p;
+    p.type = (Event::RepeatType) map[ RepeatPatternType ].toInt();
+    p.frequency = map[ RepeatPatternFrequency ].toInt();
+    p.position = map[ RepeatPatternPosition ].toInt();
+    p.days = map[ RepeatPatternDays ].toInt();
+    p.hasEndDate = map[ RepeatPatternHasEndDate ].toInt();
+    p.endDateUTC = map[ RepeatPatternEndDate ].toUInt();
+    setRepeat( p );
+
+    setUid( map[ DatebookUid ].toInt() );
+}
+
+Event::~Event()
+{
+}
+
+int Event::week( const QDate& date )
+{
+    // Calculates the week this date is in within that
+    // month. Equals the "row" is is in in the month view
+    int week = 1;
+    QDate tmp( date.year(), date.month(), 1 );
+
+    if ( date.dayOfWeek() < tmp.dayOfWeek() )
+        ++week;
+
+    week += ( date.day() - 1 ) / 7;
+    return week;
+}
+
+int Event::occurrence( const QDate& date )
+{
+    // calculates the number of occurrances of this day of the
+    // week till the given date (e.g 3rd Wednesday of the month)
+    return ( date.day() - 1 ) / 7 + 1;
+}
+
+int Event::dayOfWeek( char day )
+{
+    int dayOfWeek = 1;
+    char i = Event::MON;
+    while ( !( i & day ) && i <= Event::SUN ) {
+        i <<= 1;
+        ++dayOfWeek;
+    }
+    return dayOfWeek;
+}
+
+int Event::monthDiff( const QDate& first, const QDate& second )
+{
+    return ( second.year() - first.year() ) * 12 +
+        second.month() - first.month();
+}
+
+QMap<int, QString> Event::toMap() const
+{
+    QMap<int, QString> m;
+    m.insert( DatebookDescription, description() );
+    m.insert ( Location, location() );
+    m.insert ( DatebookCategory, idsToString( categories() ) );
+    m.insert ( TimeZone, timeZone() );
+    m.insert ( Note, notes() );
+    m.insert ( StartDateTime, QString::number( TimeConversion::toUTC( start() ) ) );
+    m.insert ( EndDateTime, QString::number( TimeConversion::toUTC( end() ) ) );
+    m.insert ( DatebookType, QString::number( (int)type() ) );
+    m.insert ( HasAlarm, ( hasAlarm() ? "1" : "0" ) );
+    m.insert ( SoundType, QString::number( (int)alarmSound() ) );
+    m.insert ( AlarmTime, QString::number( alarmTime() ) );
+    m.insert ( RepeatPatternType, QString::number( static_cast<int>( repeatPattern().type ) ) );
+    m.insert ( RepeatPatternFrequency, QString::number( repeatPattern().frequency ) );
+    m.insert ( RepeatPatternPosition, QString::number( repeatPattern().position ) );
+    m.insert ( RepeatPatternDays, QString::number( repeatPattern().days ) );
+    m.insert ( RepeatPatternHasEndDate, QString::number( static_cast<int>( repeatPattern().hasEndDate ) ) );
+    m.insert ( RepeatPatternEndDate, QString::number( repeatPattern().endDateUTC ) );
+
+    m.insert( DatebookUid, QString::number( uid()) );
+
+    return m;
+}
+
+void Event::setRepeat( const RepeatPattern &p )
+{
+    setRepeat( p.type != NoRepeat, p );
+}
+
+void Event::setDescription( const QString &s )
+{
+    descript = s;
+}
+
+void Event::setLocation( const QString &s )
+{
+    locat = s;
+}
+
+// void Event::setCategory( const QString &s )
+// {
+//     categ = s;
+// }
+
+void Event::setType( Type t )
+{
+    typ = t;
+}
+
+void Event::setStart( const QDateTime &d )
+{
+    startUTC = TimeConversion::toUTC( d );
+}
+
+void Event::setStart( time_t time )
+{
+    startUTC = time;
+}
+
+void Event::setEnd( const QDateTime &d )
+{
+    endUTC = TimeConversion::toUTC( d );
+}
+
+void Event::setEnd( time_t time )
+{
+    endUTC = time;
+}
+
+void Event::setTimeZone( const QString &z )
+{
+    tz = z;
+}
+
+void Event::setAlarm( bool b, int minutes, SoundTypeChoice s )
+{
+    hAlarm = b;
+    aMinutes = minutes;
+    aSound = s;
+}
+
+void Event::setRepeat( bool b, const RepeatPattern &p )
+{
+    hRepeat = b;
+    pattern = p;
+}
+
+void Event::setNotes( const QString &n )
+{
+    note = n;
+}
+
+const QString &Event::description() const
+{
+    return descript;
+}
+
+const QString &Event::location() const
+{
+    return locat;
+}
+
+// QString Event::category() const
+// {
+//     return categ;
+// }
+
+Event::Type Event::type() const
+{
+    return typ;
+}
+
+QDateTime Event::start( bool actual ) const
+{
+    QDateTime dt = (startUTC > 0) ? TimeConversion::fromUTC( startUTC ) : QDateTime::currentDateTime();
+
+    if ( actual && typ == AllDay ) {
+        QTime t = dt.time();
+        t.setHMS( 0, 0, 0 );
+        dt.setTime( t );
+    }
+    return dt;
+}
+
+QDateTime Event::end( bool actual ) const
+{
+    QDateTime dt = (endUTC > 0) ? TimeConversion::fromUTC( endUTC ) : QDateTime::currentDateTime();
+
+    if ( actual && typ == AllDay ) {
+        QTime t = dt.time();
+        t.setHMS( 23, 59, 59 );
+        dt.setTime( t );
+    }
+    return dt;
+}
+
+const QString &Event::timeZone() const
+{
+    return tz;
+}
+
+bool Event::hasAlarm() const
+{
+    return hAlarm;
+}
+
+int Event::alarmTime() const
+{
+    return aMinutes;
+}
+
+Event::SoundTypeChoice Event::alarmSound() const
+{
+    return aSound;
+}
+
+bool Event::hasRepeat() const
+{
+    return doRepeat();
+}
+
+const Event::RepeatPattern &Event::repeatPattern() const
+{
+    return pattern;
+}
+
+Event::RepeatPattern &Event::repeatPattern()
+{
+    return pattern;
+}
+
+const QString &Event::notes() const
+{
+    return note;
+}
+
+bool Event::operator==( const Event &e ) const
+{
+    return ( e.descript == descript &&
+             e.locat == locat &&
+             e.categ == categ &&
+             e.typ == typ &&
+             e.startUTC == startUTC &&
+             e.endUTC == endUTC &&
+             e.tz == tz &&
+             e.hAlarm == hAlarm &&
+             e.aMinutes == aMinutes &&
+             e.aSound == aSound &&
+             e.hRepeat == hRepeat &&
+             e.pattern == pattern &&
+             e.note == note );
+}
+
+void Event::save( QString& buf )
+{
+    buf += " description=\"" + Qtopia::escapeString(descript) + "\"";
+    if ( !locat.isEmpty() )
+        buf += " location=\"" + Qtopia::escapeString(locat) + "\"";
+    // save the categoies differently....
+    QString strCats = idsToString( categories() );
+    buf += " categories=\"" + Qtopia::escapeString(strCats) + "\"";
+    buf += " uid=\"" + QString::number( uid() ) + "\"";
+    if ( (Type)typ != Normal )
+        buf += " type=\"AllDay\"";
+    if ( hAlarm ) {
+        buf += " alarm=\"" + QString::number( aMinutes ) + "\" sound=\"";
+        if ( aSound == Event::Loud )
+            buf += "loud";
+        else
+            buf += "silent";
+        buf += "\"";
+    }
+    if ( hRepeat )
+        write( buf, pattern );
+
+    buf += " start=\""
+           + QString::number( startUTC )
+           + "\"";
+
+    buf += " end=\""
+           + QString::number( endUTC )
+           + "\"";
+
+    if ( !note.isEmpty() )
+        buf += " note=\"" + Qtopia::escapeString( note ) + "\"";
+    buf += customToXml();
+}
+
+bool Event::RepeatPattern::operator==( const Event::RepeatPattern &right ) const
+{
+    // *sigh*
+    return ( type == right.type
+             && frequency == right.frequency
+             && position == right.position
+             && days == right.days
+             && hasEndDate == right.hasEndDate
+             && endDateUTC == right.endDateUTC
+             && createTime == right.createTime );
+}
+
+
+class EffectiveEventPrivate
+{
+public:
+    //currently the existence of the d pointer means multi-day repeating,
+    //msut be changed if we use the d pointer for anything else.
+    QDate startDate;
+    QDate endDate;
+};
+
+
+EffectiveEvent::EffectiveEvent()
+{
+    mDate = QDate::currentDate();
+    mStart = mEnd = QTime::currentTime();
+    d = 0;
+}
+
+EffectiveEvent::EffectiveEvent( const Event &e, const QDate &date, Position pos )
+{
+    mEvent = e;
+    mDate = date;
+    if ( pos & Start )
+        mStart = e.start( TRUE ).time();
+    else
+        mStart = QTime( 0, 0, 0 );
+
+    if ( pos & End )
+        mEnd = e.end( TRUE ).time();
+    else
+        mEnd = QTime( 23, 59, 59 );
+    d = 0;
+}
+
+EffectiveEvent::~EffectiveEvent()
+{
+    delete d;
+}
+
+EffectiveEvent::EffectiveEvent( const EffectiveEvent &e )
+{
+    d = 0;
+    *this = e;
+}
+
+EffectiveEvent& EffectiveEvent::operator=( const EffectiveEvent & e )
+{
+    if ( &e == this )
+        return *this;
+    delete d;
+    if ( e.d ) {
+        d = new EffectiveEventPrivate;
+        d->startDate = e.d->startDate;
+        d->endDate = e.d->endDate;
+    } else {
+        d = 0;
+    }
+    mEvent = e.mEvent;
+    mDate = e.mDate;
+    mStart = e.mStart;
+    mEnd = e.mEnd;
+
+    return *this;
+
+}
+
+// QString EffectiveEvent::category() const
+// {
+//     return mEvent.category();
+// }
+
+const QString &EffectiveEvent::description( ) const
+{
+    return mEvent.description();
+}
+
+const QString &EffectiveEvent::location( ) const
+{
+    return mEvent.location();
+}
+
+const QString &EffectiveEvent::notes() const
+{
+    return mEvent.notes();
+}
+
+const Event &EffectiveEvent::event() const
+{
+    return mEvent;
+}
+
+const QTime &EffectiveEvent::end() const
+{
+    return mEnd;
+}
+
+const QTime &EffectiveEvent::start() const
+{
+    return mStart;
+}
+
+const QDate &EffectiveEvent::date() const
+{
+    return mDate;
+}
+
+int EffectiveEvent::length() const
+{
+    return (mEnd.hour() * 60 - mStart.hour() * 60)
+           + QABS(mStart.minute() - mEnd.minute() );
+}
+
+void EffectiveEvent::setDate( const QDate &dt )
+{
+    mDate = dt;
+}
+
+void EffectiveEvent::setStart( const QTime &start )
+{
+    mStart = start;
+}
+
+void EffectiveEvent::setEnd( const QTime &end )
+{
+    mEnd = end;
+}
+
+void EffectiveEvent::setEvent( Event e )
+{
+    mEvent = e;
+}
+
+bool EffectiveEvent::operator<( const EffectiveEvent &e ) const
+{
+    if ( mDate < e.date() )
+        return TRUE;
+    if ( mDate == e.date() )
+        return ( mStart < e.start() );
+    else
+        return FALSE;
+}
+
+bool EffectiveEvent::operator<=( const EffectiveEvent &e ) const
+{
+    return (mDate <= e.date() );
+}
+
+bool EffectiveEvent::operator==( const EffectiveEvent &e ) const
+{
+    return ( mDate == e.date()
+             && mStart == e.start()
+             && mEnd == e.end()
+             && mEvent == e.event() );
+}
+
+bool EffectiveEvent::operator!=( const EffectiveEvent &e ) const
+{
+    return !(*this == e);
+}
+
+bool EffectiveEvent::operator>( const EffectiveEvent &e ) const
+{
+    return !(*this <= e );
+}
+
+bool EffectiveEvent::operator>=(const EffectiveEvent &e) const
+{
+    return !(*this < e);
+}
+
+void EffectiveEvent::setEffectiveDates( const QDate &from, const QDate &to )
+{
+    if ( !from.isValid() ) {
+        delete d;
+        d = 0;
+        return;
+    }
+    if ( !d )
+        d = new EffectiveEventPrivate;
+    d->startDate = from;
+    d->endDate = to;
+}
+
+QDate EffectiveEvent::startDate() const
+{
+    if ( d )
+        return d->startDate;
+    else if ( mEvent.hasRepeat() )
+        return mDate; // single day, since multi-day should have a d pointer
+    else
+        return mEvent.start().date();
+}
+
+QDate EffectiveEvent::endDate() const
+{
+    if ( d )
+        return d->endDate;
+    else if ( mEvent.hasRepeat() )
+        return mDate; // single day, since multi-day should have a d pointer
+    else
+        return mEvent.end().date();
+}
+
+int EffectiveEvent::size() const
+{
+    return ( mEnd.hour() - mStart.hour() ) * 3600
+             + (mEnd.minute() - mStart.minute() * 60
+             + mEnd.second() - mStart.second() );
+}
+
+
+// vcal conversion code
+static inline VObject *safeAddPropValue( VObject *o, const char *prop, const QString &value )
+{
+    VObject *ret = 0;
+    if ( o && !value.isEmpty() )
+        ret = addPropValue( o, prop, value.latin1() );
+    return ret;
+}
+
+static inline VObject *safeAddProp( VObject *o, const char *prop)
+{
+    VObject *ret = 0;
+    if ( o )
+        ret = addProp( o, prop );
+    return ret;
+}
+
+static VObject *createVObject( const Event &e )
+{
+    VObject *vcal = newVObject( VCCalProp );
+    safeAddPropValue( vcal, VCVersionProp, "1.0" );
+    VObject *event = safeAddProp( vcal, VCEventProp );
+
+    safeAddPropValue( event, VCDTstartProp, TimeConversion::toISO8601( e.start() ) );
+    safeAddPropValue( event, VCDTendProp, TimeConversion::toISO8601( e.end() ) );
+    safeAddPropValue( event, "X-Qtopia-NOTES", e.description() );
+    safeAddPropValue( event, VCDescriptionProp, e.description() );
+    safeAddPropValue( event, VCLocationProp, e.location() );
+
+    if ( e.hasAlarm() ) {
+        VObject *alarm = safeAddProp( event, VCAAlarmProp );
+        QDateTime dt = e.start();
+        dt = dt.addSecs( -e.alarmTime()*60 );
+        safeAddPropValue( alarm, VCRunTimeProp, TimeConversion::toISO8601( dt ) );
+        safeAddPropValue( alarm, VCAudioContentProp,
+                          (e.alarmSound() == Event::Silent ? "silent" : "alarm" ) );
+    }
+
+    safeAddPropValue( event, "X-Qtopia-TIMEZONE", e.timeZone() );
+
+    if ( e.type() == Event::AllDay )
+        safeAddPropValue( event, "X-Qtopia-AllDay", e.timeZone() );
+
+    // ### repeat missing
+
+    // ### categories missing
+
+    return vcal;
+}
+
+
+static Event parseVObject( VObject *obj )
+{
+    Event e;
+
+    bool haveAlarm = FALSE;
+    bool haveStart = FALSE;
+    bool haveEnd = FALSE;
+    QDateTime alarmTime;
+    Event::SoundTypeChoice soundType = Event::Silent;
+
+    VObjectIterator it;
+    initPropIterator( &it, obj );
+    while( moreIteration( &it ) ) {
+        VObject *o = nextVObject( &it );
+        QCString name = vObjectName( o );
+        QCString value = vObjectStringZValue( o );
+        if ( name == VCDTstartProp ) {
+            e.setStart( TimeConversion::fromISO8601( value ) );
+            haveStart = TRUE;
+        }
+        else if ( name == VCDTendProp ) {
+            e.setEnd( TimeConversion::fromISO8601( value ) );
+            haveEnd = TRUE;
+        }
+        else if ( name == "X-Qtopia-NOTES" ) {
+            e.setNotes( value );
+        }
+        else if ( name == VCDescriptionProp ) {
+            e.setDescription( value );
+        }
+        else if ( name == VCLocationProp ) {
+            e.setLocation( value );
+        }
+        else if ( name == VCAudioContentProp ) {
+            haveAlarm = TRUE;
+            VObjectIterator nit;
+            initPropIterator( &nit, o );
+            while( moreIteration( &nit ) ) {
+                VObject *o = nextVObject( &nit );
+                QCString name = vObjectName( o );
+                QCString value = vObjectStringZValue( o );
+                if ( name == VCRunTimeProp )
+                    alarmTime = TimeConversion::fromISO8601( value );
+                else if ( name == VCAudioContentProp ) {
+                    if ( value == "silent" )
+                        soundType = Event::Silent;
+                    else
+                        soundType = Event::Loud;
+                }
+            }
+        }
+        else if ( name == "X-Qtopia-TIMEZONE") {
+            e.setTimeZone( value );
+        }
+        else if ( name == "X-Qtopia-AllDay" ) {
+            e.setType( Event::AllDay );
+        }
+#if 0
+        else {
+            printf("Name: %s, value=%s\n", name.data(), vObjectStringZValue( o ) );
+            VObjectIterator nit;
+            initPropIterator( &nit, o );
+            while( moreIteration( &nit ) ) {
+                VObject *o = nextVObject( &nit );
+                QCString name = vObjectName( o );
+                QString value = vObjectStringZValue( o );
+                printf(" subprop: %s = %s\n", name.data(), value.latin1() );
+            }
+        }
+#endif
+    }
+
+    if ( !haveStart && !haveEnd )
+        e.setStart( QDateTime::currentDateTime() );
+
+    if ( !haveEnd ) {
+        e.setType( Event::AllDay );
+        e.setEnd( e.start() );
+    }
+
+    if ( haveAlarm ) {
+        int minutes = alarmTime.secsTo( e.start() ) / 60;
+        e.setAlarm( TRUE, minutes, soundType );
+    }
+    return e;
+}
+
+
+
+void Event::writeVCalendar( const QString &filename, const QValueList<Event> &events)
+{

+        QFileDirect f( filename.utf8().data() );

+        if ( !f.open( IO_WriteOnly ) ) {

+                qWarning("Unable to open vcard write");

+                return;

+        }

+
+    QValueList<Event>::ConstIterator it;
+    for( it = events.begin(); it != events.end(); ++it ) {
+        VObject *obj = createVObject( *it );
+        writeVObject( f.directHandle() , obj );
+        cleanVObject( obj );
+    }

+
+    cleanStrTbl();
+}
+
+void Event::writeVCalendar( const QString &filename, const Event &event)
+{

+        QFileDirect f( filename.utf8().data() );

+        if ( !f.open( IO_WriteOnly ) ) {

+                qWarning("Unable to open vcard write");

+                return;

+        }

+
+    VObject *obj = createVObject( event );
+        writeVObject( f.directHandle() , obj );
+        cleanVObject( obj );
+
+        cleanStrTbl();
+}
+
+
+QValueList<Event> Event::readVCalendar( const QString &filename )
+{
+    VObject *obj = Parse_MIME_FromFileName( (char *)filename.utf8().data() );
+
+    QValueList<Event> events;
+
+    while ( obj ) {
+        QCString name = vObjectName( obj );
+        if ( name == VCCalProp ) {
+            VObjectIterator nit;
+            initPropIterator( &nit, obj );
+            while( moreIteration( &nit ) ) {
+                VObject *o = nextVObject( &nit );
+                QCString name = vObjectName( o );
+                if ( name == VCEventProp )
+                    events.append( parseVObject( o ) );
+            }
+        } else if ( name == VCEventProp ) {
+            // shouldn't happen, but just to be sure
+            events.append( parseVObject( obj ) );
+        }
+        VObject *t = obj;
+        obj = nextVObjectInList(obj);
+        cleanVObject( t );
+    }
+
+    return events;
+}
+
+bool Event::match( const QRegExp &r ) const
+{
+    bool returnMe;
+    returnMe = false;
+
+    if ( descript.find( r ) > -1 )
+        returnMe = true;
+    else if ( locat.find( r ) > -1 )
+        returnMe = true;
+    else if ( TimeConversion::fromUTC( startUTC ).toString().find( r ) > -1 )
+        returnMe = true;
+    else if ( TimeConversion::fromUTC( endUTC ).toString().find( r )  > -1 )
+        returnMe = true;
+    else if ( tz.find( r ) > -1 )
+        returnMe = true;
+    else if ( note.find( r ) > -1 )
+        returnMe = true;
+    else if ( doRepeat() ) {
+        if ( pattern.hasEndDate )
+            if ( TimeConversion::fromUTC( pattern.endDateUTC ).toString().find(r) > -1 )
+                returnMe = true;
+    }
+    return returnMe;
+}