1 files changed, 106 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/shared/qqmlconfigurabledebugservice.h b/src/plugins/qmltooling/shared/qqmlconfigurabledebugservice.h
new file mode 100644
index 0000000000..9aa4531428
--- /dev/null
+++ b/src/plugins/qmltooling/shared/qqmlconfigurabledebugservice.h
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#ifndef QQMLCONFIGURABLEDEBUGSEVICE_H
+#define QQMLCONFIGURABLEDEBUGSEVICE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qqmldebugservice_p.h>
+#include <private/qqmldebugconnector_p.h>
+#include <QtCore/qmutex.h>
+
+QT_BEGIN_NAMESPACE
+
+template <class Base>
+class QQmlConfigurableDebugService : public Base
+{
+protected:
+    QQmlConfigurableDebugService(float version, QObject *parent = 0) :
+        Base(version, parent), m_configMutex(QMutex::Recursive)
+    {
+        init();
+    }
+
+    void stopWaiting()
+    {
+        QMutexLocker lock(&m_configMutex);
+        m_waitingForConfiguration = false;
+        foreach (QQmlEngine *engine, m_waitingEngines)
+            emit Base::attachedToEngine(engine);
+        m_waitingEngines.clear();
+    }
+
+    void init()
+    {
+        QMutexLocker lock(&m_configMutex);
+        // If we're not enabled or not blocking, don't wait for configuration
+        m_waitingForConfiguration = (Base::state() == QQmlDebugService::Enabled &&
+                                     QQmlDebugConnector::instance()->blockingMode());
+    }
+
+    void stateChanged(QQmlDebugService::State newState)
+    {
+        if (newState != QQmlDebugService::Enabled)
+            stopWaiting();
+        else
+            init();
+    }
+
+    void engineAboutToBeAdded(QQmlEngine *engine)
+    {
+        QMutexLocker lock(&m_configMutex);
+        if (m_waitingForConfiguration)
+            m_waitingEngines.append(engine);
+        else
+            emit Base::attachedToEngine(engine);
+    }
+
+    QMutex m_configMutex;
+    QList<QQmlEngine *> m_waitingEngines;
+    bool m_waitingForConfiguration;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLCONFIGURABLEDEBUGSEVICE_H