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39
40#ifndef QQMLDEBUGSERVICE_H
41#define QQMLDEBUGSERVICE_H
42
43#include <QtCore/qobject.h>
44#include <QtCore/qhash.h>
45
46#include <private/qtqmlglobal_p.h>
47
48//
49// W A R N I N G
50// -------------
51//
52// This file is not part of the Qt API. It exists purely as an
53// implementation detail. This header file may change from version to
54// version without notice, or even be removed.
55//
56// We mean it.
57//
58
59QT_REQUIRE_CONFIG(qml_debug);
60
61QT_BEGIN_NAMESPACE
62
63class QJSEngine;
64
65class QQmlDebugServicePrivate;
66class Q_QML_PRIVATE_EXPORT QQmlDebugService : public QObject
67{
68 Q_OBJECT
69 Q_DECLARE_PRIVATE(QQmlDebugService)
70
71public:
72 ~QQmlDebugService() override;
73
74 const QString &name() const;
75 float version() const;
76
77 enum State { NotConnected, Unavailable, Enabled };
78 State state() const;
79 void setState(State newState);
80
81 virtual void stateAboutToBeChanged(State) {}
82 virtual void stateChanged(State) {}
83 virtual void messageReceived(const QByteArray &) {}
84
85 virtual void engineAboutToBeAdded(QJSEngine *engine) { emit attachedToEngine(engine); }
86 virtual void engineAboutToBeRemoved(QJSEngine *engine) { emit detachedFromEngine(engine); }
87
88 virtual void engineAdded(QJSEngine *) {}
89 virtual void engineRemoved(QJSEngine *) {}
90
91 static const QHash<int, QObject *> &objectsForIds();
92 static int idForObject(QObject *);
93 static QObject *objectForId(int id) { return objectsForIds().value(key: id); }
94
95protected:
96 explicit QQmlDebugService(const QString &, float version, QObject *parent = nullptr);
97
98signals:
99 void attachedToEngine(QJSEngine *);
100 void detachedFromEngine(QJSEngine *);
101
102 void messageToClient(const QString &name, const QByteArray &message);
103 void messagesToClient(const QString &name, const QList<QByteArray> &messages);
104};
105
106QT_END_NAMESPACE
107
108#endif // QQMLDEBUGSERVICE_H
109
110

source code of qtdeclarative/src/qml/debugger/qqmldebugservice_p.h