CuteLogger
Fast and simple logging solution for Qt based applications
metadatamodel.h
1 /*
2  * Copyright (c) 2014-2024 Meltytech, LLC
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef METADATAMODEL_H
19 #define METADATAMODEL_H
20 
21 #include <QList>
22 #include <QSortFilterProxyModel>
23 
24 class QmlMetadata;
25 
26 class MetadataModel : public QSortFilterProxyModel
27 {
28  Q_OBJECT
29  Q_ENUMS(MetadataFilter)
30  Q_PROPERTY(MetadataFilter filter READ filter WRITE setFilter NOTIFY filterChanged)
31  Q_PROPERTY(QString search READ search WRITE setSearch NOTIFY searchChanged)
32 
33 public:
34  enum ModelRoles {
35  NameRole = Qt::UserRole + 1,
36  HiddenRole,
37  FavoriteRole,
38  ServiceRole,
39  IsAudioRole,
40  NeedsGpuRole,
41  PluginTypeRole,
42  };
43 
44  enum MetadataFilter {
45  NoFilter,
46  FavoritesFilter,
47  VideoFilter,
48  AudioFilter,
49  LinkFilter,
50  FilterSetFilter,
51  GPUFilter,
52  };
53 
54  enum FilterMaskBits {
55  HiddenMaskBit = 1 << 0,
56  clipOnlyMaskBit = 1 << 1,
57  gpuIncompatibleMaskBit = 1 << 2,
58  gpuAlternativeMaskBit = 1 << 3,
59  needsGPUMaskBit = 1 << 4,
60  linkMaskBit = 1 << 5,
61  trackOnlyMaskBit = 1 << 6,
62  outputOnlyMaskBit = 1 << 7,
63  reverseMaskBit = 1 << 8,
64  };
65 
66  explicit MetadataModel(QObject *parent = 0);
67 
68  Q_INVOKABLE int rowCount(const QModelIndex &parent = QModelIndex()) const;
69  int sourceRowCount(const QModelIndex &parent = QModelIndex()) const;
70  void add(QmlMetadata *data);
71  Q_INVOKABLE QmlMetadata *get(int row) const;
72  QmlMetadata *getFromSource(int index) const;
73  Q_INVOKABLE void saveFilterSet(const QString &name);
74  Q_INVOKABLE void deleteFilterSet(const QString &name);
75  MetadataFilter filter() const { return m_filter; }
76  void setFilter(MetadataFilter);
77  void updateFilterMask(bool isClipProducer,
78  bool isChainProducer,
79  bool isTrackProducer,
80  bool isOutputProducer,
81  bool isReverseSupported);
82  QString search() const { return m_search; }
83  void setSearch(const QString &search);
84 
85 signals:
86  void filterChanged();
87  void searchChanged();
88 
89 protected:
90  bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
91 
92 private:
93  MetadataFilter m_filter;
94  unsigned m_filterMask;
95  QString m_search;
96  bool m_isClipProducer;
97  bool m_isChainProducer;
98  bool m_isTrackProducer;
99  bool m_isOutputProducer;
100  bool m_isReverseSupported;
101 };
102 
103 class InternalMetadataModel : public QAbstractListModel
104 {
105 public:
106  explicit InternalMetadataModel(QObject *parent = 0)
107  : QAbstractListModel(parent){};
108 
109  // Implement QAbstractListModel
110  int rowCount(const QModelIndex &parent = QModelIndex()) const;
111  QVariant data(const QModelIndex &index, int role) const;
112  bool setData(const QModelIndex &index, const QVariant &value, int role);
113  QHash<int, QByteArray> roleNames() const;
114  Qt::ItemFlags flags(const QModelIndex &index) const;
115 
116  // Direct access to QmlMetadata
117  void add(QmlMetadata *data);
118  QmlMetadata *get(int index) const;
119  QList<QmlMetadata *> &list() { return m_list; }
120  void remove(int index);
121 
122 private:
123  typedef QList<QmlMetadata *> MetadataList;
124  MetadataList m_list;
125 
126  unsigned computeFilterMask(const QmlMetadata *meta);
127 };
128 
129 #endif // METADATAMODEL_H