| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQMLWATCHER_H |
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| 5 | #define QQMLWATCHER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/qobject.h> |
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| 19 | #include <QtCore/qlist.h> |
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| 20 | #include <QtCore/qhash.h> |
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| 21 | #include <QtCore/qset.h> |
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| 22 | #include <QtCore/qpointer.h> |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | class QQmlWatchProxy; |
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| 27 | class QQmlExpression; |
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| 28 | class QQmlContext; |
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| 29 | class QMetaProperty; |
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| 30 | |
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| 31 | class QQmlWatcher : public QObject |
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| 32 | { |
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| 33 | Q_OBJECT |
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| 34 | public: |
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| 35 | QQmlWatcher(QObject * = nullptr); |
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| 36 | |
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| 37 | bool addWatch(int id, quint32 objectId); |
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| 38 | bool addWatch(int id, quint32 objectId, const QByteArray &property); |
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| 39 | bool addWatch(int id, quint32 objectId, const QString &expr); |
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| 40 | |
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| 41 | bool removeWatch(int id); |
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| 42 | |
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| 43 | Q_SIGNALS: |
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| 44 | void propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value); |
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| 45 | |
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| 46 | private: |
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| 47 | friend class QQmlWatchProxy; |
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| 48 | void addPropertyWatch(int id, QObject *object, quint32 objectId, const QMetaProperty &property); |
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| 49 | |
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| 50 | QHash<int, QList<QPointer<QQmlWatchProxy> > > m_proxies; |
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| 51 | }; |
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| 52 | |
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| 53 | QT_END_NAMESPACE |
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| 54 | |
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| 55 | #endif // QQMLWATCHER_H |
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| 56 | |
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