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39
40
41#ifndef QQMLCONFIGURABLEDEBUGSEVICE_P_H
42#define QQMLCONFIGURABLEDEBUGSEVICE_P_H
43
44//
45// W A R N I N G
46// -------------
47//
48// This file is not part of the Qt API. It exists purely as an
49// implementation detail. This header file may change from version to
50// version without notice, or even be removed.
51//
52// We mean it.
53//
54
55#include "qqmldebugservice_p.h"
56#include "qqmldebugconnector_p.h"
57
58#include <QtCore/qmutex.h>
59
60QT_BEGIN_NAMESPACE
61
62template <class Base>
63class QQmlConfigurableDebugService : public Base
64{
65protected:
66 QQmlConfigurableDebugService(float version, QObject *parent = nullptr) :
67 Base(version, parent)
68 {
69 init();
70 }
71
72 void stopWaiting()
73 {
74 QMutexLocker lock(&m_configMutex);
75 m_waitingForConfiguration = false;
76 for (QJSEngine *engine : qAsConst(t&: m_waitingEngines))
77 emit Base::attachedToEngine(engine);
78 m_waitingEngines.clear();
79 }
80
81 void init()
82 {
83 QMutexLocker lock(&m_configMutex);
84 // If we're not enabled or not blocking, don't wait for configuration
85 m_waitingForConfiguration = (Base::state() == QQmlDebugService::Enabled &&
86 QQmlDebugConnector::instance()->blockingMode());
87 }
88
89 void stateChanged(QQmlDebugService::State newState) override
90 {
91 if (newState != QQmlDebugService::Enabled)
92 stopWaiting();
93 else
94 init();
95 }
96
97 void engineAboutToBeAdded(QJSEngine *engine) override
98 {
99 QMutexLocker lock(&m_configMutex);
100 if (m_waitingForConfiguration)
101 m_waitingEngines.append(t: engine);
102 else
103 emit Base::attachedToEngine(engine);
104 }
105
106 QRecursiveMutex m_configMutex;
107 QList<QJSEngine *> m_waitingEngines;
108 bool m_waitingForConfiguration;
109};
110
111QT_END_NAMESPACE
112
113#endif // QQMLCONFIGURABLEDEBUGSEVICE_P_H
114

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