| 1 | /* |
|---|---|
| 2 | This file is part of the KDE project. |
| 3 | SPDX-FileCopyrightText: 2003 Carsten Pfeiffer <pfeiffer@kde.org> |
| 4 | |
| 5 | SPDX-License-Identifier: LGPL-2.0-only |
| 6 | */ |
| 7 | |
| 8 | #ifndef KFILEMETAPREVIEW_H |
| 9 | #define KFILEMETAPREVIEW_H |
| 10 | |
| 11 | #include <QHash> |
| 12 | #include <QMimeType> |
| 13 | #include <QStackedWidget> |
| 14 | #include <kpreviewwidgetbase.h> |
| 15 | |
| 16 | // Internal, but exported for KDirOperator (kfile) and KPreviewProps (kdelibs4support) |
| 17 | class KIOFILEWIDGETS_EXPORT KFileMetaPreview : public KPreviewWidgetBase |
| 18 | { |
| 19 | Q_OBJECT |
| 20 | |
| 21 | public: |
| 22 | explicit KFileMetaPreview(QWidget *parent); |
| 23 | ~KFileMetaPreview() override; |
| 24 | |
| 25 | virtual void addPreviewProvider(const QString &mimeType, KPreviewWidgetBase *provider); |
| 26 | virtual void clearPreviewProviders(); |
| 27 | |
| 28 | public Q_SLOTS: |
| 29 | void showPreview(const QUrl &url) override; |
| 30 | void clearPreview() override; |
| 31 | |
| 32 | protected: |
| 33 | virtual KPreviewWidgetBase *previewProviderFor(const QString &mimeType); |
| 34 | |
| 35 | private: |
| 36 | void initPreviewProviders(); |
| 37 | KPreviewWidgetBase *findExistingProvider(const QString &mimeType, const QMimeType &mimeInfo) const; |
| 38 | |
| 39 | QStackedWidget *m_stack; |
| 40 | QHash<QString, KPreviewWidgetBase *> m_previewProviders; |
| 41 | bool haveAudioPreview; |
| 42 | |
| 43 | // may return 0L |
| 44 | static KPreviewWidgetBase *createAudioPreview(QWidget *parent); |
| 45 | static bool s_tryAudioPreview; |
| 46 | |
| 47 | private: |
| 48 | class KFileMetaPreviewPrivate; |
| 49 | KFileMetaPreviewPrivate *d; |
| 50 | }; |
| 51 | |
| 52 | #endif // KFILEMETAPREVIEW_H |
| 53 |