1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_messages/qdebugmessageservice.cpp b/src/plugins/qmltooling/qmldbg_messages/qdebugmessageservice.cpp
new file mode 100644
index 0000000000..b0f59717ac
--- /dev/null
+++ b/src/plugins/qmltooling/qmldbg_messages/qdebugmessageservice.cpp
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdebugmessageservice.h"
+#include "qqmldebugpacket.h"
+#include <private/qqmldebugconnector_p.h>
+
+QT_BEGIN_NAMESPACE
+
+void DebugMessageHandler(QtMsgType type, const QMessageLogContext &ctxt,
+                         const QString &buf)
+{
+    QQmlDebugConnector::service<QDebugMessageServiceImpl>()->sendDebugMessage(type, ctxt, buf);
+}
+
+QDebugMessageServiceImpl::QDebugMessageServiceImpl(QObject *parent) :
+    QDebugMessageService(2, parent), oldMsgHandler(0),
+    prevState(QQmlDebugService::NotConnected)
+{
+    // don't execute stateChanged() in parallel
+    QMutexLocker lock(&initMutex);
+    timer.start();
+    if (state() == Enabled) {
+        oldMsgHandler = qInstallMessageHandler(DebugMessageHandler);
+        prevState = Enabled;
+    }
+}
+
+void QDebugMessageServiceImpl::sendDebugMessage(QtMsgType type,
+                                            const QMessageLogContext &ctxt,
+                                            const QString &buf)
+{
+    //We do not want to alter the message handling mechanism
+    //We just eavesdrop and forward the messages to a port
+    //only if a client is connected to it.
+    QQmlDebugPacket ws;
+    ws << QByteArray("MESSAGE") << int(type) << buf.toUtf8();
+    ws << QByteArray(ctxt.file) << ctxt.line << QByteArray(ctxt.function);
+    ws << QByteArray(ctxt.category) << timer.nsecsElapsed();
+
+    emit messageToClient(name(), ws.data());
+    if (oldMsgHandler)
+        (*oldMsgHandler)(type, ctxt, buf);
+}
+
+void QDebugMessageServiceImpl::stateChanged(State state)
+{
+    QMutexLocker lock(&initMutex);
+
+    if (state != Enabled && prevState == Enabled) {
+        QtMessageHandler handler = qInstallMessageHandler(oldMsgHandler);
+        // has our handler been overwritten in between?
+        if (handler != DebugMessageHandler)
+            qInstallMessageHandler(handler);
+
+    } else if (state == Enabled && prevState != Enabled) {
+        oldMsgHandler = qInstallMessageHandler(DebugMessageHandler);
+    }
+
+    prevState = state;
+}
+
+void QDebugMessageServiceImpl::synchronizeTime(const QElapsedTimer &otherTimer)
+{
+    QMutexLocker lock(&initMutex);
+    timer = otherTimer;
+}
+
+QT_END_NAMESPACE