1 files changed, 124 insertions, 0 deletions
diff --git a/src/qml/debugger/qdebugmessageservice.cpp b/src/qml/debugger/qdebugmessageservice.cpp
new file mode 100644
index 0000000000..2c52809e56
--- /dev/null
+++ b/src/qml/debugger/qdebugmessageservice.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdebugmessageservice_p.h"
+#include "qqmldebugservice_p_p.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC(QDebugMessageService, qmlDebugMessageService)
+
+void DebugMessageHandler(QtMsgType type, const QMessageLogContext &ctxt,
+                         const char *buf)
+{
+    QDebugMessageService::instance()->sendDebugMessage(type, ctxt, buf);
+}
+
+class QDebugMessageServicePrivate : public QQmlDebugServicePrivate
+{
+public:
+    QDebugMessageServicePrivate()
+        : oldMsgHandler(0)
+        , prevState(QQmlDebugService::NotConnected)
+    {
+    }
+
+    QMessageHandler oldMsgHandler;
+    QQmlDebugService::State prevState;
+};
+
+QDebugMessageService::QDebugMessageService(QObject *parent) :
+    QQmlDebugService(*(new QDebugMessageServicePrivate()),
+                                   QLatin1String("DebugMessages"), 2, parent)
+{
+    Q_D(QDebugMessageService);
+
+    registerService();
+    if (state() == Enabled) {
+        d->oldMsgHandler = qInstallMessageHandler(DebugMessageHandler);
+        d->prevState = Enabled;
+    }
+}
+
+QDebugMessageService *QDebugMessageService::instance()
+{
+    return qmlDebugMessageService();
+}
+
+void QDebugMessageService::sendDebugMessage(QtMsgType type,
+                                            const QMessageLogContext &ctxt,
+                                            const char *buf)
+{
+    Q_D(QDebugMessageService);
+
+    //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.
+    QByteArray message;
+    QDataStream ws(&message, QIODevice::WriteOnly);
+    ws << QByteArray("MESSAGE") << type << QString::fromLocal8Bit(buf).toUtf8();
+    ws << QString::fromLatin1(ctxt.file).toUtf8();
+    ws << ctxt.line << QString::fromLatin1(ctxt.function).toUtf8();
+
+    sendMessage(message);
+    if (d->oldMsgHandler)
+        (*d->oldMsgHandler)(type, ctxt, buf);
+}
+
+void QDebugMessageService::stateChanged(State state)
+{
+    Q_D(QDebugMessageService);
+
+    if (state != Enabled && d->prevState == Enabled) {
+        QMessageHandler handler = qInstallMessageHandler(d->oldMsgHandler);
+        // has our handler been overwritten in between?
+        if (handler != DebugMessageHandler)
+            qInstallMessageHandler(handler);
+
+    } else if (state == Enabled && d->prevState != Enabled) {
+        d->oldMsgHandler = qInstallMessageHandler(DebugMessageHandler);
+
+    }
+
+    d->prevState = state;
+}
+
+QT_END_NAMESPACE