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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 {
00061     SubTitleRole = Qt::UserRole + 1,
00062     FirstDataRole = SubTitleRole,
00064     UrlRole = Qt::UserRole + 2,
00066     DeviceUdiRole = Qt::UserRole + 3,
00068     DiskUsedSpaceRole = Qt::UserRole + 4,
00070     DiskFreeSpaceRole = Qt::UserRole + 5,
00071     SubTitleMandatoryRole = Qt::UserRole + 6,
00072     LastDataRole = SubTitleMandatoryRole
00073 };
00074 
00079 class StandardItemFactory
00080 {
00081 public:
00082     static QStandardItem *createItemForUrl(const QString& url);
00083     static QStandardItem *createItemForService(KService::Ptr service);
00084 
00085 private:
00086     static void setSpecialUrlProperties(const KUrl& url, QStandardItem *item);
00087 };
00088 
00093 class ItemStateProvider
00094 {
00095 public:
00096     virtual ~ItemStateProvider() {}
00097 
00102     virtual bool isVisible(const QModelIndex& index) const = 0;
00103 };
00104 
00105 // returns true if 'first' represents a more recent version of
00106 // an application than 'second'
00107 //
00108 // eg. isLaterVersion(myapp_kde4,myapp_kde3) returns true
00109 bool isLaterVersion(KService::Ptr first , KService::Ptr second);
00110 
00111 #if 0
00112 
00113 void swapModelIndexes(QModelIndex& first, QModelIndex& second);
00114 #endif
00115 
00116 // returns the Kickoff component data, this is mainly used
00117 // to access the Kickoff shared config data
00118 KComponentData componentData();
00119 }
00120 
00121 #endif //MODELS_H

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