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| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2017 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtWaylandCompositor module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 or (at your option) any later version |
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| 22 | ** included in the packaging of this file. Please review the following |
| 23 | ** information to ensure the GNU General Public License requirements will |
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 25 | ** |
| 26 | ** $QT_END_LICENSE$ |
| 27 | ** |
| 28 | ****************************************************************************/ |
| 29 | |
| 30 | #ifndef QWAYLANDEXTENSION_H |
| 31 | #define QWAYLANDEXTENSION_H |
| 32 | |
| 33 | #include <QtWaylandCompositor/qtwaylandcompositorglobal.h> |
| 34 | |
| 35 | #include <QtCore/QObject> |
| 36 | #include <QtCore/QVector> |
| 37 | |
| 38 | struct wl_interface; |
| 39 | |
| 40 | QT_BEGIN_NAMESPACE |
| 41 | |
| 42 | class QWaylandCompositor; |
| 43 | class QWaylandCompositorExtension; |
| 44 | class QWaylandCompositorExtensionPrivate; |
| 45 | |
| 46 | class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandObject : public QObject |
| 47 | { |
| 48 | Q_OBJECT |
| 49 | public: |
| 50 | ~QWaylandObject() override; |
| 51 | |
| 52 | QWaylandCompositorExtension *extension(const QByteArray &name); |
| 53 | QWaylandCompositorExtension *extension(const wl_interface *interface); |
| 54 | QList<QWaylandCompositorExtension *> extensions() const; |
| 55 | void addExtension(QWaylandCompositorExtension *extension); |
| 56 | void removeExtension(QWaylandCompositorExtension *extension); |
| 57 | |
| 58 | protected: |
| 59 | QWaylandObject(QObject *parent = nullptr); |
| 60 | QWaylandObject(QObjectPrivate &d, QObject *parent = nullptr); |
| 61 | QList<QWaylandCompositorExtension *> extension_vector; |
| 62 | }; |
| 63 | |
| 64 | class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandCompositorExtension : public QWaylandObject |
| 65 | { |
| 66 | Q_OBJECT |
| 67 | Q_DECLARE_PRIVATE(QWaylandCompositorExtension) |
| 68 | public: |
| 69 | QWaylandCompositorExtension(); |
| 70 | QWaylandCompositorExtension(QWaylandObject *container); |
| 71 | ~QWaylandCompositorExtension() override; |
| 72 | |
| 73 | QWaylandObject *extensionContainer() const; |
| 74 | void setExtensionContainer(QWaylandObject *container); |
| 75 | |
| 76 | virtual void initialize(); |
| 77 | bool isInitialized() const; |
| 78 | |
| 79 | virtual const struct wl_interface *extensionInterface() const = 0; |
| 80 | |
| 81 | protected: |
| 82 | QWaylandCompositorExtension(QWaylandCompositorExtensionPrivate &dd); |
| 83 | QWaylandCompositorExtension(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd); |
| 84 | |
| 85 | bool event(QEvent *event) override; |
| 86 | }; |
| 87 | |
| 88 | template <typename T> |
| 89 | class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandCompositorExtensionTemplate : public QWaylandCompositorExtension |
| 90 | { |
| 91 | public: |
| 92 | QWaylandCompositorExtensionTemplate() |
| 93 | : QWaylandCompositorExtension() |
| 94 | { } |
| 95 | |
| 96 | QWaylandCompositorExtensionTemplate(QWaylandObject *container) |
| 97 | : QWaylandCompositorExtension(container) |
| 98 | { } |
| 99 | |
| 100 | const struct wl_interface *extensionInterface() const override |
| 101 | { |
| 102 | return T::interface(); |
| 103 | } |
| 104 | |
| 105 | static T *findIn(QWaylandObject *container) |
| 106 | { |
| 107 | if (!container) return nullptr; |
| 108 | return qobject_cast<T *>(container->extension(T::interfaceName())); |
| 109 | } |
| 110 | |
| 111 | protected: |
| 112 | QWaylandCompositorExtensionTemplate(QWaylandCompositorExtensionPrivate &dd) |
| 113 | : QWaylandCompositorExtension(dd) |
| 114 | { } |
| 115 | |
| 116 | QWaylandCompositorExtensionTemplate(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd) |
| 117 | : QWaylandCompositorExtension(container,dd) |
| 118 | { } |
| 119 | }; |
| 120 | |
| 121 | QT_END_NAMESPACE |
| 122 | |
| 123 | #endif |
| 124 |
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