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models.h

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00001 /*
00002     Copyright 2007 Robert Knight <robertknight@gmail.com>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef MODELS_H
00021 #define MODELS_H
00022 
00023 // Qt
00024 #include <QtGlobal>
00025 
00026 // KDE
00027 #include <KService>
00028 
00029 class QStandardItem;
00030 class KUrl;
00031 class QModelIndex;
00032 
00033 namespace Solid
00034 {
00035     class Device;
00036 }
00037 
00038 namespace Kickoff
00039 {
00040     class StandardItemFactoryData
00041     {
00042         public:
00043             QHash<QString,Solid::Device> deviceByUrl;
00044     };
00045 
00046     StandardItemFactoryData* deviceFactoryData();
00047 
00053     QStringList systemApplicationList();
00054 
00059     enum DataRole
00060     {
00062         SubTitleRole = Qt::UserRole+1,
00063         FirstDataRole = SubTitleRole,
00065         UrlRole = Qt::UserRole + 2,
00067         DeviceUdiRole = Qt::UserRole + 3,
00069         DiskUsedSpaceRole = Qt::UserRole + 4,
00071         DiskFreeSpaceRole = Qt::UserRole + 5,
00072         SubTitleMandatoryRole = Qt::UserRole + 6,
00073         LastDataRole = SubTitleMandatoryRole
00074     };
00075 
00080     class StandardItemFactory
00081     {
00082     public:
00083         static QStandardItem *createItemForUrl(const QString& url);
00084         static QStandardItem *createItemForService(KService::Ptr service);
00085 
00086     private:
00087         static void setSpecialUrlProperties(const KUrl& url,QStandardItem *item);
00088     };
00089 
00094     class ItemStateProvider
00095     {
00096     public:
00097         virtual ~ItemStateProvider() {}
00098 
00103         virtual bool isVisible(const QModelIndex& index) const = 0;
00104     };
00105 
00106     // returns true if 'first' represents a more recent version of
00107     // an application than 'second'
00108     //
00109     // eg. isLaterVersion(myapp_kde4,myapp_kde3) returns true
00110     bool isLaterVersion(KService::Ptr first , KService::Ptr second);
00111 
00112 #if 0
00113 
00114     void swapModelIndexes(QModelIndex& first,QModelIndex& second);
00115 #endif
00116 
00117     // returns the Kickoff component data, this is mainly used
00118     // to access the Kickoff shared config data
00119     KComponentData componentData();
00120 }
00121 
00122 #endif //MODELS_H

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