| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | |
| 5 | #ifndef QQMLCONFIGURABLEDEBUGSEVICE_P_H |
| 6 | #define QQMLCONFIGURABLEDEBUGSEVICE_P_H |
| 7 | |
| 8 | // |
| 9 | // W A R N I N G |
| 10 | // ------------- |
| 11 | // |
| 12 | // This file is not part of the Qt API. It exists purely as an |
| 13 | // implementation detail. This header file may change from version to |
| 14 | // version without notice, or even be removed. |
| 15 | // |
| 16 | // We mean it. |
| 17 | // |
| 18 | |
| 19 | #include "qqmldebugservice_p.h" |
| 20 | #include "qqmldebugconnector_p.h" |
| 21 | |
| 22 | #include <QtCore/qmutex.h> |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | template <class Base> |
| 27 | class QQmlConfigurableDebugService : public Base |
| 28 | { |
| 29 | protected: |
| 30 | QQmlConfigurableDebugService(float version, QObject *parent = nullptr) : |
| 31 | Base(version, parent) |
| 32 | { |
| 33 | init(); |
| 34 | } |
| 35 | |
| 36 | void stopWaiting() |
| 37 | { |
| 38 | QMutexLocker lock(&m_configMutex); |
| 39 | m_waitingForConfiguration = false; |
| 40 | for (QJSEngine *engine : std::as_const(t&: m_waitingEngines)) |
| 41 | Q_EMIT Base::attachedToEngine(engine); |
| 42 | m_waitingEngines.clear(); |
| 43 | } |
| 44 | |
| 45 | void init() |
| 46 | { |
| 47 | QMutexLocker lock(&m_configMutex); |
| 48 | // If we're not enabled or not blocking, don't wait for configuration |
| 49 | m_waitingForConfiguration = (Base::state() == QQmlDebugService::Enabled && |
| 50 | QQmlDebugConnector::instance()->blockingMode()); |
| 51 | } |
| 52 | |
| 53 | void stateChanged(QQmlDebugService::State newState) override |
| 54 | { |
| 55 | if (newState != QQmlDebugService::Enabled) |
| 56 | stopWaiting(); |
| 57 | else |
| 58 | init(); |
| 59 | } |
| 60 | |
| 61 | void engineAboutToBeAdded(QJSEngine *engine) override |
| 62 | { |
| 63 | QMutexLocker lock(&m_configMutex); |
| 64 | if (m_waitingForConfiguration) |
| 65 | m_waitingEngines.append(t: engine); |
| 66 | else |
| 67 | Q_EMIT Base::attachedToEngine(engine); |
| 68 | } |
| 69 | |
| 70 | QRecursiveMutex m_configMutex; |
| 71 | QList<QJSEngine *> m_waitingEngines; |
| 72 | bool m_waitingForConfiguration; |
| 73 | }; |
| 74 | |
| 75 | QT_END_NAMESPACE |
| 76 | |
| 77 | #endif // QQMLCONFIGURABLEDEBUGSEVICE_P_H |
| 78 |