/*  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