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/****************************************************************************
**
** Copyright (C) 2003-2007 Trolltech ASA. All rights reserved.
**
** This file is part of a Qt Solutions component.
**
** Licensees holding a valid Qt Solutions License Agreement may use this
** file in accordance with the rights, responsibilities, and obligations
** contained therein. Please consult your licensing agreement or contact
** sales@trolltech.com if any conditions of this licensing are not clear
** to you.
**
** Further information about Qt Solutions licensing is available at:
** http://www.trolltech.com/products/qt/addon/solutions/
** or by contacting info@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtCore/QString>
#include <Carbon/Carbon.h>
#include "qtsingleapplication.h"
CFStringRef qstring2cfstring(const QString &str)
{
return CFStringCreateWithCharacters(0, (UniChar *)str.unicode(), str.length());
}
QString cfstring2qstring(CFStringRef str)
{
if(!str)
return QString();
CFIndex length = CFStringGetLength(str);
if(const UniChar *chars = CFStringGetCharactersPtr(str))
return QString((QChar *)chars, length);
UniChar *buffer = (UniChar*)malloc(length * sizeof(UniChar));
CFStringGetCharacters(str, CFRangeMake(0, length), buffer);
QString ret((QChar *)buffer, length);
free(buffer);
return ret;
}
class QtSingletonSysPrivate
{
public:
inline QtSingletonSysPrivate() { port = 0; }
CFMessagePortRef port;
};
class QtSingletonPrivate
{
};
bool QtSingleApplication::isRunning() const
{
CFStringRef cfstr = qstring2cfstring(id());
CFMessagePortRef myport = CFMessagePortCreateRemote(kCFAllocatorDefault, cfstr);
CFRelease(cfstr);
return (myport != 0);
}
void QtSingleApplication::sysInit()
{
sysd = new QtSingletonSysPrivate;
}
void QtSingleApplication::sysCleanup()
{
delete sysd;
}
CFDataRef MyCallBack(CFMessagePortRef, SInt32, CFDataRef data, void *info)
{
CFIndex index = CFDataGetLength(data);
const UInt8 *p = CFDataGetBytePtr(data);
QByteArray ba(index, 0);
for (int i = 0; i < index; ++i)
ba[i] = p[i];
QString message(ba);
emit static_cast<QtSingleApplication *>(info)->messageReceived(message);
return 0;
}
void QtSingleApplication::initialize(bool activate)
{
CFStringRef cfstr = qstring2cfstring(id());
CFMessagePortContext context;
context.version = 0;
context.info = this;
context.retain = 0;
context.release = 0;
context.copyDescription = 0;
sysd->port = CFMessagePortCreateLocal(kCFAllocatorDefault, cfstr, MyCallBack, &context, 0);
CFRunLoopRef runloop = CFRunLoopGetCurrent();
if (sysd->port && runloop) {
CFRunLoopSourceRef source = CFMessagePortCreateRunLoopSource(0, sysd->port, 0);
if (source)
CFRunLoopAddSource(runloop, source, kCFRunLoopCommonModes);
CFRelease(source);
}
CFRelease(cfstr);
if (activate) {
connect(this, SIGNAL(messageReceived(const QString&)),
this, SLOT(activateWindow()));
}
}
bool QtSingleApplication::sendMessage(const QString &message, int timeout)
{
CFStringRef cfstr = qstring2cfstring(id());
CFMessagePortRef myport = CFMessagePortCreateRemote(kCFAllocatorDefault, cfstr);
CFRelease(cfstr);
if (!myport)
return false;
static SInt32 msgid = 0;
const QByteArray latin1Message = message.toLatin1();
CFDataRef data = CFDataCreate(0, (UInt8*)latin1Message.constData(), latin1Message.length());
CFDataRef reply = 0;
SInt32 result = CFMessagePortSendRequest(myport, ++msgid, data, timeout / 1000,
timeout / 1000, 0, &reply);
CFRelease(data);
if (reply)
CFRelease(reply);
return result == kCFMessagePortSuccess;
}
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