| 1 | // Copyright (C) 2017 The Qt Company Ltd. | 
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only | 
| 3 | |
| 4 | #ifndef QWAYLANDEXTENSION_H | 
| 5 | #define QWAYLANDEXTENSION_H | 
| 6 | |
| 7 | #include <QtWaylandCompositor/qtwaylandcompositorglobal.h> | 
| 8 | #include <QtWaylandCompositor/qtwaylandqmlinclude.h> | 
| 9 | |
| 10 | #include <QtCore/QObject> | 
| 11 | |
| 12 | struct wl_interface; | 
| 13 | |
| 14 | QT_BEGIN_NAMESPACE | 
| 15 | |
| 16 | class QWaylandCompositor; | 
| 17 | class QWaylandCompositorExtension; | 
| 18 | class QWaylandCompositorExtensionPrivate; | 
| 19 | |
| 20 | class Q_WAYLANDCOMPOSITOR_EXPORT QWaylandObject : public QObject | 
| 21 | { | 
| 22 | Q_OBJECT | 
| 23 | public: | 
| 24 | ~QWaylandObject() override; | 
| 25 | |
| 26 | QWaylandCompositorExtension *extension(const QByteArray &name); | 
| 27 | QWaylandCompositorExtension *extension(const wl_interface *interface); | 
| 28 | QList<QWaylandCompositorExtension *> extensions() const; | 
| 29 | void addExtension(QWaylandCompositorExtension *extension); | 
| 30 | void removeExtension(QWaylandCompositorExtension *extension); | 
| 31 | |
| 32 | protected: | 
| 33 | QWaylandObject(QObject *parent = nullptr); | 
| 34 | QWaylandObject(QObjectPrivate &d, QObject *parent = nullptr); | 
| 35 | QList<QWaylandCompositorExtension *> extension_vector; | 
| 36 | }; | 
| 37 | |
| 38 | class Q_WAYLANDCOMPOSITOR_EXPORT QWaylandCompositorExtension : public QWaylandObject | 
| 39 | { | 
| 40 | Q_OBJECT | 
| 41 | Q_DECLARE_PRIVATE(QWaylandCompositorExtension) | 
| 42 | QML_NAMED_ELEMENT(WaylandExtension) | 
| 43 | QML_ADDED_IN_VERSION(1, 0) | 
| 44 |     QML_UNCREATABLE("")  | 
| 45 | public: | 
| 46 | QWaylandCompositorExtension(); | 
| 47 | QWaylandCompositorExtension(QWaylandObject *container); | 
| 48 | ~QWaylandCompositorExtension() override; | 
| 49 | |
| 50 | QWaylandObject *extensionContainer() const; | 
| 51 | void setExtensionContainer(QWaylandObject *container); | 
| 52 | |
| 53 | virtual void initialize(); | 
| 54 | bool isInitialized() const; | 
| 55 | |
| 56 | virtual const struct wl_interface *extensionInterface() const = 0; | 
| 57 | |
| 58 | protected: | 
| 59 | QWaylandCompositorExtension(QWaylandCompositorExtensionPrivate &dd); | 
| 60 | QWaylandCompositorExtension(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd); | 
| 61 | |
| 62 | bool event(QEvent *event) override; | 
| 63 | }; | 
| 64 | |
| 65 | template <typename T> | 
| 66 | class Q_WAYLANDCOMPOSITOR_EXPORT QWaylandCompositorExtensionTemplate : public QWaylandCompositorExtension | 
| 67 | { | 
| 68 | public: | 
| 69 | QWaylandCompositorExtensionTemplate() | 
| 70 | : QWaylandCompositorExtension() | 
| 71 | { } | 
| 72 | |
| 73 | QWaylandCompositorExtensionTemplate(QWaylandObject *container) | 
| 74 | : QWaylandCompositorExtension(container) | 
| 75 | { } | 
| 76 | |
| 77 | const struct wl_interface *extensionInterface() const override | 
| 78 | { | 
| 79 | return T::interface(); | 
| 80 | } | 
| 81 | |
| 82 | static T *findIn(QWaylandObject *container) | 
| 83 | { | 
| 84 | if (!container) return nullptr; | 
| 85 | return qobject_cast<T *>(container->extension(T::interfaceName())); | 
| 86 | } | 
| 87 | |
| 88 | protected: | 
| 89 | QWaylandCompositorExtensionTemplate(QWaylandCompositorExtensionPrivate &dd) | 
| 90 | : QWaylandCompositorExtension(dd) | 
| 91 | { } | 
| 92 | |
| 93 | QWaylandCompositorExtensionTemplate(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd) | 
| 94 | : QWaylandCompositorExtension(container,dd) | 
| 95 | { } | 
| 96 | }; | 
| 97 | |
| 98 | QT_END_NAMESPACE | 
| 99 | |
| 100 | #endif | 
| 101 | 
