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diff --git a/src/3rdparty/phonon/qt7/backendheader.mm b/src/3rdparty/phonon/qt7/backendheader.mm
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+/* This file is part of the KDE project.
+
+ Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 2.1 or 3 of the License.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "backendheader.h"
+#include <QtCore/QString>
+#include <QtCore/QDebug>
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <QVarLengthArray>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+
+Q_GLOBAL_STATIC(QString, gErrorString)
+int gErrorType = NO_ERROR;
+
+void gSetErrorString(const QString &errorString)
+{
+ if (qgetenv("PHONON_DEBUG") == "1"){
+ qDebug() << "Error:" << errorString;
+ }
+
+ if (!gErrorString()->isEmpty())
+ return; // not yet caught.
+
+ *gErrorString() = errorString;
+}
+
+QString gGetErrorString()
+{
+ return *gErrorString();
+}
+
+void gSetErrorLocation(const QString &errorLocation)
+{
+ if (qgetenv("PHONON_DEBUG") == "1"){
+ qDebug() << "Location:" << errorLocation;
+ }
+}
+
+void gSetErrorType(int errorType)
+{
+ if (gErrorType != NO_ERROR)
+ return; // not yet caught.
+ gErrorType = errorType;
+}
+
+int gGetErrorType()
+{
+ return gErrorType;
+}
+
+void gClearError()
+{
+ gErrorString()->clear();
+ gErrorType = NO_ERROR;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+PhononAutoReleasePool::PhononAutoReleasePool()
+{
+ pool = (void*)[[NSAutoreleasePool alloc] init];
+}
+
+PhononAutoReleasePool::~PhononAutoReleasePool()
+{
+ [(NSAutoreleasePool*)pool release];
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+QString PhononCFString::toQString(CFStringRef str)
+{
+ if(!str)
+ return QString();
+ CFIndex length = CFStringGetLength(str);
+ const UniChar *chars = CFStringGetCharactersPtr(str);
+ if (chars)
+ return QString(reinterpret_cast<const QChar *>(chars), length);
+
+ QVarLengthArray<UniChar> buffer(length);
+ CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data());
+ return QString(reinterpret_cast<const QChar *>(buffer.constData()), length);
+}
+
+PhononCFString::operator QString() const
+{
+ if (string.isEmpty() && type)
+ const_cast<PhononCFString*>(this)->string = toQString(type);
+ return string;
+}
+
+CFStringRef PhononCFString::toCFStringRef(const QString &string)
+{
+ return CFStringCreateWithCharacters(0, reinterpret_cast<const UniChar *>(string.unicode()),
+ string.length());
+}
+
+PhononCFString::operator CFStringRef() const
+{
+ if (!type)
+ const_cast<PhononCFString*>(this)->type = toCFStringRef(string);
+ return type;
+}
+
+}}
+
+QT_END_NAMESPACE