185 lines
4.4 KiB
C++
185 lines
4.4 KiB
C++
/*
|
|
InterfaceProxy - definition of forwarding proxies for the facade interfaces
|
|
|
|
Copyright (C) Lumiera.org
|
|
2008, Hermann Vosseler <Ichthyostega@web.de>
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
* *****************************************************/
|
|
|
|
|
|
#include "include/interfaceproxy.hpp"
|
|
#include "lib/singletonsubclass.hpp" ////////////////////TODO
|
|
#include "include/guinotificationfacade.h"
|
|
#include "lib/util.hpp"
|
|
#include "lib/error.hpp"
|
|
|
|
extern "C" {
|
|
#include "common/interface.h"
|
|
}
|
|
|
|
using util::cStr;
|
|
|
|
|
|
namespace singleton = lumiera::singleton;
|
|
|
|
namespace gui {
|
|
|
|
class GuiNotificationInterfaceProxy
|
|
: public GuiNotification
|
|
{
|
|
LUMIERA_INTERFACE_INAME(lumieraorg_GuiNotification, 1) * interface_;
|
|
|
|
GuiNotificationInterfaceProxy ()
|
|
{
|
|
interface_ = LUMIERA_INTERFACE_OPEN (lumieraorg_GuiNotification, 1, 2, lumieraorg_GuiNotificationFacade);
|
|
if (!interface_)
|
|
throw lumiera::error::State ("unable to access GuiNotificationFacade");
|
|
}
|
|
|
|
friend class singleton::StaticCreate<GuiNotificationInterfaceProxy>;
|
|
|
|
|
|
|
|
/* ======== forwarding through interface ========== */
|
|
|
|
void
|
|
displayInfo (string const& text)
|
|
{
|
|
interface_->displayInfo (cStr(text));
|
|
}
|
|
|
|
void
|
|
triggerGuiShutdown (string const& cause)
|
|
{
|
|
interface_->triggerGuiShutdown (cStr(cause));
|
|
}
|
|
|
|
|
|
};
|
|
|
|
namespace {
|
|
|
|
singleton::UseSubclass<GuiNotificationInterfaceProxy> typeinfo_proxyInstance_to_create;
|
|
}
|
|
|
|
/** storage for the facade proxy factory used by client code to invoke through the interface */
|
|
lumiera::SingletonSub<GuiNotification> GuiNotification::facade (typeinfo_proxyInstance_to_create);
|
|
|
|
///////////////////////////////////////TODO: this solution is not correct, because it doesn't detect when the interface is shut down!
|
|
|
|
|
|
|
|
} // namespace gui
|
|
|
|
#include "common/instancehandle.hpp"
|
|
|
|
namespace lumiera {
|
|
namespace facade {
|
|
|
|
|
|
template<class IHA>
|
|
class Holder;
|
|
|
|
template<class FA, class I>
|
|
class Holder<InstanceHandle<I,FA> >
|
|
: Accessor<FA>,
|
|
protected FA
|
|
{
|
|
protected:
|
|
typedef InstanceHandle<I,FA> IHandle;
|
|
typedef Holder<IHandle> THolder;
|
|
typedef Proxy<IHandle> Proxy;
|
|
typedef Accessor<FA> Access;
|
|
|
|
static Proxy& open(IHandle& iha)
|
|
{
|
|
static char buff[sizeof(Proxy)];
|
|
Proxy* p = new(buff) Proxy(iha);
|
|
Access::implProxy_ = p;
|
|
return *p;
|
|
}
|
|
|
|
static void close()
|
|
{
|
|
if (!Access::implProxy_) return;
|
|
Proxy* p = static_cast<Proxy*> (Access::implProxy_);
|
|
Access::implProxy_ = 0;
|
|
p->~Proxy();
|
|
}
|
|
|
|
|
|
I& _i_;
|
|
|
|
Holder (IHandle& iha)
|
|
: _i_(iha.get())
|
|
{ }
|
|
|
|
};
|
|
|
|
|
|
template<class FA>
|
|
FA* Accessor<FA>::implProxy_;
|
|
|
|
|
|
struct XYZ
|
|
{
|
|
virtual ~XYZ(){}
|
|
|
|
virtual int zoing(int i) =0;
|
|
};
|
|
|
|
struct II {};
|
|
|
|
typedef InstanceHandle<II,XYZ> IIXYZ;
|
|
|
|
|
|
template<>
|
|
class Proxy<IIXYZ>
|
|
: public Holder<IIXYZ>
|
|
{
|
|
//----Proxy-Implementation-of-XYZ--------
|
|
|
|
virtual int
|
|
zoing (int i)
|
|
{
|
|
return (rand() % i);
|
|
}
|
|
|
|
|
|
public:
|
|
Proxy (IHandle iha) : THolder(iha) {}
|
|
};
|
|
|
|
|
|
template<class IHA>
|
|
void
|
|
openProxy (IHA& iha)
|
|
{
|
|
Proxy<IHA>::open(iha);
|
|
}
|
|
|
|
template<class IHA>
|
|
void
|
|
closeProxy (IHA& iha)
|
|
{
|
|
Proxy<IHA>::close();
|
|
}
|
|
|
|
|
|
} // namespace facade
|
|
|
|
} // namespace lumiera
|