CuteLogger
Fast and simple logging solution for Qt based applications
filtercontroller.h
1 /*
2  * Copyright (c) 2014-2020 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 FILTERCONTROLLER_H
19 #define FILTERCONTROLLER_H
20 
21 #include <QObject>
22 #include <QScopedPointer>
23 #include <QFuture>
24 #include "models/metadatamodel.h"
25 #include "models/attachedfiltersmodel.h"
26 #include "qmltypes/qmlmetadata.h"
27 #include "qmltypes/qmlfilter.h"
28 
29 class QTimerEvent;
30 
31 
32 class FilterController : public QObject
33 {
34  Q_OBJECT
35 
36 public:
37  explicit FilterController(QObject *parent = 0);
38  MetadataModel *metadataModel();
39  AttachedFiltersModel *attachedModel();
40 
41  QmlMetadata *metadataForService(Mlt::Service *service);
42  QmlFilter *currentFilter() const
43  {
44  return m_currentFilter.data();
45  }
46 
47 protected:
48  void timerEvent(QTimerEvent *);
49 
50 signals:
51  void currentFilterChanged(QmlFilter *filter, QmlMetadata *meta, int index);
52  void statusChanged(QString);
53  void filterChanged(Mlt::Service *);
54 
55 public slots:
56  void setProducer(Mlt::Producer *producer = 0);
57  void setCurrentFilter(int attachedIndex, bool isNew = false);
58  void onFadeInChanged();
59  void onFadeOutChanged();
60  void onServiceInChanged(int delta, Mlt::Service *service = 0);
61  void onServiceOutChanged(int delta, Mlt::Service *service = 0);
62  void removeCurrent();
63  void onProducerChanged();
64 
65 private slots:
66  void handleAttachedModelChange();
67  void handleAttachedModelAboutToReset();
68  void addMetadata(QmlMetadata *);
69  void handleAttachedRowsRemoved(const QModelIndex &parent, int first, int last);
70  void handleAttachedRowsInserted(const QModelIndex &parent, int first, int last);
71  void handleAttachDuplicateFailed(int index);
72  void onQmlFilterChanged(const QString &name);
73 
74 private:
75  void loadFilterMetadata();
76 
77  QFuture<void> m_future;
78  QScopedPointer<QmlFilter> m_currentFilter;
79  Mlt::Service *m_mltService;
80  MetadataModel m_metadataModel;
81  AttachedFiltersModel m_attachedModel;
82  int m_currentFilterIndex;
83 };
84 
85 #endif // FILTERCONTROLLER_H