You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
2.0 KiB
120 lines
2.0 KiB
#include"safedelete.h"
|
|
|
|
#include<tqtimer.h>
|
|
|
|
//----------------------------------------------------------------------------
|
|
// SafeDelete
|
|
//----------------------------------------------------------------------------
|
|
SafeDelete::SafeDelete()
|
|
{
|
|
lock = 0;
|
|
}
|
|
|
|
SafeDelete::~SafeDelete()
|
|
{
|
|
if(lock)
|
|
lock->dying();
|
|
}
|
|
|
|
void SafeDelete::deleteLater(TQObject *o)
|
|
{
|
|
if(!lock)
|
|
deleteSingle(o);
|
|
else
|
|
list.append(o);
|
|
}
|
|
|
|
void SafeDelete::unlock()
|
|
{
|
|
lock = 0;
|
|
deleteAll();
|
|
}
|
|
|
|
void SafeDelete::deleteAll()
|
|
{
|
|
if(list.isEmpty())
|
|
return;
|
|
|
|
TQObjectListIt it(list);
|
|
for(TQObject *o; (o = it.current()); ++it)
|
|
deleteSingle(o);
|
|
list.clear();
|
|
}
|
|
|
|
void SafeDelete::deleteSingle(TQObject *o)
|
|
{
|
|
#if QT_VERSION < 0x030000
|
|
// roll our own TQObject::deleteLater()
|
|
SafeDeleteLater *sdl = SafeDeleteLater::ensureExists();
|
|
sdl->deleteItLater(o);
|
|
#else
|
|
o->deleteLater();
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// SafeDeleteLock
|
|
//----------------------------------------------------------------------------
|
|
SafeDeleteLock::SafeDeleteLock(SafeDelete *sd)
|
|
{
|
|
own = false;
|
|
if(!sd->lock) {
|
|
_sd = sd;
|
|
_sd->lock = this;
|
|
}
|
|
else
|
|
_sd = 0;
|
|
}
|
|
|
|
SafeDeleteLock::~SafeDeleteLock()
|
|
{
|
|
if(_sd) {
|
|
_sd->unlock();
|
|
if(own)
|
|
delete _sd;
|
|
}
|
|
}
|
|
|
|
void SafeDeleteLock::dying()
|
|
{
|
|
_sd = new SafeDelete(*_sd);
|
|
own = true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// SafeDeleteLater
|
|
//----------------------------------------------------------------------------
|
|
SafeDeleteLater *SafeDeleteLater::self = 0;
|
|
|
|
SafeDeleteLater *SafeDeleteLater::ensureExists()
|
|
{
|
|
if(!self)
|
|
new SafeDeleteLater();
|
|
return self;
|
|
}
|
|
|
|
SafeDeleteLater::SafeDeleteLater()
|
|
{
|
|
list.setAutoDelete(true);
|
|
self = this;
|
|
TQTimer::singleShot(0, this, TQT_SLOT(explode()));
|
|
}
|
|
|
|
SafeDeleteLater::~SafeDeleteLater()
|
|
{
|
|
list.clear();
|
|
self = 0;
|
|
}
|
|
|
|
void SafeDeleteLater::deleteItLater(TQObject *o)
|
|
{
|
|
list.append(o);
|
|
}
|
|
|
|
void SafeDeleteLater::explode()
|
|
{
|
|
delete this;
|
|
}
|
|
|
|
#include "safedelete.moc"
|