CuteLogger
Fast and simple logging solution for Qt based applications
attachedfiltersmodel.h
1 /*
2  * Copyright (c) 2013-2021 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 ATTACHEDFILTERSMODEL_H
19 #define ATTACHEDFILTERSMODEL_H
20 
21 #include <QAbstractListModel>
22 #include <MltFilter.h>
23 #include <MltProducer.h>
24 #include <MltEvent.h>
25 
26 class QmlMetadata;
27 
28 class AttachedFiltersModel : public QAbstractListModel
29 {
30  Q_OBJECT
31  Q_PROPERTY(QString producerTitle READ producerTitle NOTIFY trackTitleChanged)
32  Q_PROPERTY(bool isProducerSelected READ isProducerSelected NOTIFY isProducerSelectedChanged)
33  Q_PROPERTY(bool supportsLinks READ supportsLinks NOTIFY supportsLinksChanged)
34 public:
35  enum ModelRoles {
36  TypeDisplayRole = Qt::UserRole + 1,
37  PluginTypeRole,
38  };
39 
40  explicit AttachedFiltersModel(QObject *parent = 0);
41 
42  Mlt::Service *getService(int row) const;
43  QmlMetadata *getMetadata(int row) const;
44  void setProducer(Mlt::Producer *producer = 0);
45  QString producerTitle() const;
46  bool isProducerSelected() const;
47  bool supportsLinks() const;
48  Mlt::Producer *producer() const
49  {
50  return m_producer.data();
51  }
52 
53  // QAbstractListModel Implementation
54  int rowCount(const QModelIndex &parent = QModelIndex()) const;
55  Qt::ItemFlags flags(const QModelIndex &index) const;
56  QVariant data(const QModelIndex &index, int role) const;
57  bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
58  QHash<int, QByteArray> roleNames() const;
59  Qt::DropActions supportedDropActions() const;
60  bool insertRows(int row, int count, const QModelIndex &parent);
61  bool removeRows(int row, int count, const QModelIndex &parent);
62  bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count,
63  const QModelIndex &destinationParent, int destinationRow);
64 
65 signals:
66  void changed();
67  void duplicateAddFailed(int index);
68  void trackTitleChanged();
69  void isProducerSelectedChanged();
70  void supportsLinksChanged();
71  void addedOrRemoved(Mlt::Producer *);
72  void requestConvert(QString, bool set709Convert, bool withSubClip);
73 
74 public slots:
75  void add(QmlMetadata *meta);
76  void remove(int row);
77  bool move(int fromRow, int toRow);
78 
79 private:
80  static void producerChanged(mlt_properties owner, AttachedFiltersModel *model);
81  void reset(Mlt::Producer *producer = 0);
82  int mltFilterIndex(int row) const;
83  int mltLinkIndex(int row) const;
84 
85  int m_dropRow;
86  int m_removeRow;
87  int m_normFilterCount;
88  QScopedPointer<Mlt::Producer> m_producer;
89  QScopedPointer<Mlt::Event> m_event;
90  typedef QList<QmlMetadata *> MetadataList;
91  MetadataList m_metaList;
92 };
93 
94 #endif // ATTACHEDFILTERSMODEL_H