try to use less memory and only create objects like

ORecur, OPimState, OPimNotifyManager and OPimMaintainer if necessary

2 files changed, 82 insertions, 15 deletions

diff --git a/libopie/pim/otodo.cpp b/libopie/pim/otodo.cpp
index ea66d39..f3df119 100644
--- a/libopie/pim/otodo.cpp
+++ b/libopie/pim/otodo.cpp
@@ -2,64 +2,68 @@
 #include <qobject.h>
 #include <qshared.h>
 
 
 
 #include <qpe/palmtopuidgen.h>
 #include <qpe/stringutil.h>
 #include <qpe/palmtoprecord.h>
 #include <qpe/stringutil.h>
 #include <qpe/categories.h>
 #include <qpe/categoryselect.h>
 
 
 #include "opimstate.h"
 #include "orecur.h"
 #include "opimmaintainer.h"
 #include "opimnotifymanager.h"
 #include "opimresolver.h"
 
 #include "otodo.h"
 
 
 struct OTodo::OTodoData : public QShared {
     OTodoData() : QShared() {
+        recur = 0;
+        state = 0;
+        maintainer = 0;
+        notifiers = 0;
     };
 
     QDate date;
     bool isCompleted:1;
     bool hasDate:1;
     int priority;
     QString desc;
     QString sum;
     QMap<QString, QString> extra;
     ushort prog;
-    OPimState state;
-    ORecur recur;
-    OPimMaintainer maintainer;
+    OPimState *state;
+    ORecur *recur;
+    OPimMaintainer *maintainer;
     QDate start;
     QDate completed;
-    OPimNotifyManager notifiers;
+    OPimNotifyManager *notifiers;
 };
 
 OTodo::OTodo(const OTodo &event )
     : OPimRecord( event ),  data( event.data )
 {
     data->ref();
 //    qWarning("ref up");
 }
 OTodo::~OTodo() {
 
 //    qWarning("~OTodo "  );
     if ( data->deref() ) {
 //        qWarning("OTodo::dereffing");
         delete data;
         data = 0l;
     }
 }
 OTodo::OTodo(bool completed, int priority,
                      const QArray<int> &category,
                      const QString& summary,
                      const QString &description,
                      ushort progress,
                      bool hasDate, QDate date, int uid )
     : OPimRecord(  uid )
@@ -130,107 +134,139 @@ int OTodo::priority()const
     return data->priority;
 }
 QString OTodo::summary() const
 {
     return data->sum;
 }
 ushort OTodo::progress() const
 {
     return data->prog;
 }
 QDate OTodo::dueDate()const
 {
     return data->date;
 }
 QDate OTodo::startDate()const {
     return data->start;
 }
 QDate OTodo::completedDate()const {
     return data->completed;
 }
 QString OTodo::description()const
 {
     return data->desc;
 }
+bool OTodo::hasState() const{
+    if (!data->state ) return false;
+    return ( data->state->state() != OPimState::Undefined );
+}
 OPimState OTodo::state()const {
-    return data->state;
+    if (!data->state ) {
+        OPimState state;
+        return state;
+    }
+
+    return (*data->state);
+}
+bool OTodo::hasRecurrence()const {
+    if (!data->recur) return false;
+    return data->recur->doesRecur();
 }
 ORecur OTodo::recurrence()const {
-    return data->recur;
+    if (!data->recur) return ORecur();
+
+    return (*data->recur);
+}
+bool OTodo::hasMaintainer()const {
+    if (!data->maintainer) return false;
+
+    return (data->maintainer->mode() != OPimMaintainer::Undefined );
 }
 OPimMaintainer OTodo::maintainer()const {
-    return data->maintainer;
+    if (!data->maintainer) return OPimMaintainer();
+
+    return (*data->maintainer);
 }
 void OTodo::setCompleted( bool completed )
 {
     changeOrModify();
     data->isCompleted = completed;
 }
 void OTodo::setHasDueDate( bool hasDate )
 {
     changeOrModify();
     data->hasDate = hasDate;
 }
 void OTodo::setDescription(const QString &desc )
 {
 //    qWarning( "desc " + desc );
     changeOrModify();
     data->desc = Qtopia::simplifyMultiLineSpace(desc );
 }
 void OTodo::setSummary( const QString& sum )
 {
     changeOrModify();
     data->sum = sum;
 }
 void OTodo::setPriority(int prio )
 {
     changeOrModify();
     data->priority = prio;
 }
 void OTodo::setDueDate( const QDate& date )
 {
     changeOrModify();
     data->date = date;
 }
 void OTodo::setStartDate( const QDate& date ) {
     changeOrModify();
     data->start = date;
 }
 void OTodo::setCompletedDate( const QDate& date ) {
     changeOrModify();
     data->completed = date;
 }
 void OTodo::setState( const OPimState& state ) {
     changeOrModify();
-    data->state = state;
+    if (data->state )
+        (*data->state) = state;
+    else
+        data->state = new OPimState( state );
 }
 void OTodo::setRecurrence( const ORecur& rec) {
     changeOrModify();
-    data->recur = rec;
+    if (data->recur )
+        (*data->recur) = rec;
+    else
+        data->recur = new ORecur( rec );
 }
 void OTodo::setMaintainer( const OPimMaintainer& pim ) {
     changeOrModify();
-    data->maintainer = pim;
+
+    if (data->maintainer )
+        (*data->maintainer) = pim;
+    else
+        data->maintainer = new OPimMaintainer( pim );
 }
 bool OTodo::isOverdue( )
 {
     if( data->hasDate && !data->isCompleted)
 	return QDate::currentDate() > data->date;
     return false;
 }
 void OTodo::setProgress(ushort progress )
 {
     changeOrModify();
     data->prog = progress;
 }
 QString OTodo::toShortText() const {
  return summary();
 }
 /*!
   Returns a richt text string
 */
 QString OTodo::toRichText() const
 {
   QString text;
   QStringList catlist;
 
   // Description of the todo
@@ -239,50 +275,56 @@ QString OTodo::toRichText() const
     text += Qtopia::escapeString(summary() ).replace(QRegExp( "[\n]"),  "<br>" ) + "<br>";
   }
   if( !description().isEmpty() ){
     text += "<b>" + QObject::tr( "Description:" ) + "</b><br>";
     text += Qtopia::escapeString(description() ).replace(QRegExp( "[\n]"), "<br>" ) ;
   }
   text += "<br><br><br>";
 
   text += "<b>" + QObject::tr( "Priority:") +" </b>"
     +  QString::number( priority() ) + " <br>";
   text += "<b>" + QObject::tr( "Progress:") + " </b>"
           + QString::number( progress() ) + " %<br>";
   if (hasDueDate() ){
     text += "<b>" + QObject::tr( "Deadline:") + " </b>";
     text += dueDate().toString();
     text += "<br>";
   }
 
   text += "<b>" + QObject::tr( "Category:") + "</b> ";
   text += categoryNames( "Todo List" ).join(", ");
   text += "<br>";
 
   return text;
 }
+bool OTodo::hasNotifiers()const {
+    if (!data->notifiers) return false;
+    return data->notifiers->isEmpty();
+}
 OPimNotifyManager& OTodo::notifiers() {
-    return data->notifiers;
+    if (!data->notifiers )
+        data->notifiers = new OPimNotifyManager;
+    return (*data->notifiers);
 }
 
 bool OTodo::operator<( const OTodo &toDoEvent )const{
     if( !hasDueDate() && !toDoEvent.hasDueDate() ) return true;
     if( !hasDueDate() && toDoEvent.hasDueDate() ) return false;
     if( hasDueDate() && toDoEvent.hasDueDate() ){
 	if( dueDate() == toDoEvent.dueDate() ){ // let's the priority decide
 	    return priority() < toDoEvent.priority();
 	}else{
 	    return dueDate() < toDoEvent.dueDate();
 	}
     }
     return false;
 }
 bool OTodo::operator<=(const OTodo &toDoEvent )const
 {
     if( !hasDueDate() && !toDoEvent.hasDueDate() ) return true;
     if( !hasDueDate() && toDoEvent.hasDueDate() ) return true;
     if( hasDueDate() && toDoEvent.hasDueDate() ){
 	if( dueDate() == toDoEvent.dueDate() ){ // let's the priority decide
 	    return priority() <= toDoEvent.priority();
 	}else{
 	    return dueDate() <= toDoEvent.dueDate();
 	}
@@ -384,41 +426,50 @@ QMap<QString, QString> OTodo::toExtraMap()const {
  */
 void OTodo::changeOrModify() {
     if ( data->count != 1 ) {
         qWarning("changeOrModify");
         data->deref();
         OTodoData* d2 = new OTodoData();
         copy(data, d2 );
         data = d2;
     }
 }
 // WATCHOUT
 /*
  * if you add something to the Data struct
  * be sure to copy it here
  */
 void OTodo::copy( OTodoData* src, OTodoData* dest ) {
     dest->date = src->date;
     dest->isCompleted = src->isCompleted;
     dest->hasDate = src->hasDate;
     dest->priority = src->priority;
     dest->desc = src->desc;
     dest->sum = src->sum;
     dest->extra = src->extra;
     dest->prog = src->prog;
-    dest->state = src->state;
-    dest->recur = src->recur;
-    dest->maintainer = src->maintainer;
+
+    if (src->state )
+        dest->state = new OPimState( *src->state );
+
+    if (src->recur )
+        dest->recur = new ORecur( *src->recur );
+
+    if (src->maintainer )
+        dest->maintainer = new OPimMaintainer( *src->maintainer )
+                           ;
     dest->start = src->start;
     dest->completed = src->completed;
-    dest->notifiers = src->notifiers;
+
+    if (src->notifiers )
+        dest->notifiers = new OPimNotifyManager( *src->notifiers );
 }
 QString OTodo::type() const {
     return QString::fromLatin1("OTodo");
 }
 QString OTodo::recordField(int /*id*/ )const {
     return QString::null;
 }
 
 int OTodo::rtti(){
     return OPimResolver::TodoList;
 }
diff --git a/libopie/pim/otodo.h b/libopie/pim/otodo.h
index 2f66f55..a58d9aa 100644
--- a/libopie/pim/otodo.h
+++ b/libopie/pim/otodo.h
@@ -107,78 +107,94 @@ public:
      */
     int priority()const ;
 
     /**
      * progress as ushort 0, 20, 40, 60, 80 or 100%
      */
     ushort progress() const;
 
     /**
      * The due Date
      */
     QDate dueDate()const;
 
     /**
      * When did it start?
      */
     QDate startDate()const;
 
     /**
      * When was it completed?
      */
     QDate completedDate()const;
 
     /**
+     * does it have a state?
+     */
+    bool hasState()const;
+
+    /**
      * What is the state of this OTodo?
      */
     OPimState state()const;
 
     /**
+     * has recurrence?
+     */
+    bool hasRecurrence()const;
+
+    /**
      * the recurrance of this
      */
     ORecur recurrence()const;
 
     /**
+     * does this OTodo have a maintainer?
+     */
+    bool hasMaintainer()const;
+
+    /**
      * the Maintainer of this OTodo
      */
     OPimMaintainer maintainer()const;
 
     /**
      * The description of the todo
      */
     QString description()const;
 
     /**
      * A small summary of the todo
      */
     QString summary() const;
 
     /**
      * @reimplemented
      * Return this todoevent in a RichText formatted QString
      */
     QString toRichText() const;
 
+    bool hasNotifiers()const;
     /*
      * check if the sharing is still fine!! -zecke
      */
     /**
      * return a reference to our notifiers...
      */
     OPimNotifyManager &notifiers();
 
     /**
      * reimplementations
      */
     QString type()const;
     QString toShortText()const;
     QMap<QString, QString> toExtraMap()const;
     QString recordField(int id )const;
 
     /**
      * toMap puts all data into the map. int relates
      * to ToDoEvent RecordFields enum
      */
     QMap<int, QString> toMap()const;
 
     /**
      * Set if this Todo is completed