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39
40#ifndef QQMLPROFILERSERVICE_P_H
41#define QQMLPROFILERSERVICE_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <private/qqmlconfigurabledebugservice_p.h>
55#include <private/qqmldebugserviceinterfaces_p.h>
56#include <private/qqmlprofilerdefinitions_p.h>
57#include <private/qqmlabstractprofileradapter_p.h>
58#include <private/qqmlboundsignal_p.h>
59#include <private/qqmldebugconnector_p.h>
60#include <private/qversionedpacket_p.h>
61
62#include <QtCore/qelapsedtimer.h>
63#include <QtCore/qmetaobject.h>
64#include <QtCore/qmutex.h>
65#include <QtCore/qvector.h>
66#include <QtCore/qstringbuilder.h>
67#include <QtCore/qwaitcondition.h>
68#include <QtCore/qtimer.h>
69
70#include <limits>
71
72QT_BEGIN_NAMESPACE
73
74class QUrl;
75using QQmlDebugPacket = QVersionedPacket<QQmlDebugConnector>;
76
77class QQmlProfilerServiceImpl :
78 public QQmlConfigurableDebugService<QQmlProfilerService>,
79 public QQmlProfilerDefinitions
80{
81 Q_OBJECT
82public:
83
84 void engineAboutToBeAdded(QJSEngine *engine) override;
85 void engineAboutToBeRemoved(QJSEngine *engine) override;
86 void engineAdded(QJSEngine *engine) override;
87 void engineRemoved(QJSEngine *engine) override;
88
89 void addGlobalProfiler(QQmlAbstractProfilerAdapter *profiler) override;
90 void removeGlobalProfiler(QQmlAbstractProfilerAdapter *profiler) override;
91
92 void startProfiling(QJSEngine *engine,
93 quint64 features = std::numeric_limits<quint64>::max()) override;
94 void stopProfiling(QJSEngine *engine) override;
95
96 QQmlProfilerServiceImpl(QObject *parent = 0);
97 ~QQmlProfilerServiceImpl() override;
98
99 void dataReady(QQmlAbstractProfilerAdapter *profiler) override;
100
101signals:
102 void startFlushTimer();
103 void stopFlushTimer();
104
105protected:
106 void stateAboutToBeChanged(State state) override;
107 void messageReceived(const QByteArray &) override;
108
109private:
110 friend class QQmlProfilerServiceFactory;
111
112 void sendMessages();
113 void addEngineProfiler(QQmlAbstractProfilerAdapter *profiler, QJSEngine *engine);
114 void removeProfilerFromStartTimes(const QQmlAbstractProfilerAdapter *profiler);
115 void flush();
116
117 QElapsedTimer m_timer;
118 QTimer m_flushTimer;
119 bool m_waitingForStop;
120
121 bool m_globalEnabled;
122 quint64 m_globalFeatures;
123
124 QList<QQmlAbstractProfilerAdapter *> m_globalProfilers;
125 QMultiHash<QJSEngine *, QQmlAbstractProfilerAdapter *> m_engineProfilers;
126 QList<QJSEngine *> m_stoppingEngines;
127 QMultiMap<qint64, QQmlAbstractProfilerAdapter *> m_startTimes;
128};
129
130QT_END_NAMESPACE
131
132#endif // QQMLPROFILERSERVICE_P_H
133
134

source code of qtdeclarative/src/plugins/qmltooling/qmldbg_profiler/qqmlprofilerservice.h