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Clean up QPlatformPrinterSupport via post routine.

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Change-Id: I5aff587f0186f15c9fa65d236e5ebe9a7901dd86
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Friedemann Kleint 2013-10-30 15:18:25 +01:00 committed by The Qt Project
parent fe220f3b5b
commit e00a961732
1 changed files with 16 additions and 4 deletions
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20
src/printsupport/kernel/qplatformprintplugin.cpp
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@ -40,7 +40,10 @@
****************************************************************************/
#include "qplatformprintplugin.h"
#include "qplatformprintersupport.h"
#include "qprinterinfo.h"
#include "private/qfactoryloader_p.h"
#include <qcoreapplication.h>
QT_BEGIN_NAMESPACE
@ -58,6 +61,14 @@ QPlatformPrinterSupportPlugin::~QPlatformPrinterSupportPlugin()
{
}
static QPlatformPrinterSupport *printerSupport = 0;
static void cleanupPrinterSupport()
{
delete printerSupport;
printerSupport = 0;
}
/*!
\internal
@ -68,13 +79,14 @@ QPlatformPrinterSupportPlugin::~QPlatformPrinterSupportPlugin()
*/
QPlatformPrinterSupport *QPlatformPrinterSupportPlugin::get()
{
static QPlatformPrinterSupport *singleton = 0;
if (!singleton) {
if (!printerSupport) {
const QMultiMap<int, QString> keyMap = loader()->keyMap();
if (!keyMap.isEmpty())
singleton = qLoadPlugin<QPlatformPrinterSupport, QPlatformPrinterSupportPlugin>(loader(), keyMap.constBegin().value());
printerSupport = qLoadPlugin<QPlatformPrinterSupport, QPlatformPrinterSupportPlugin>(loader(), keyMap.constBegin().value());
if (printerSupport)
qAddPostRoutine(cleanupPrinterSupport);
}
return singleton;
return printerSupport;
}
QT_END_NAMESPACE