WIP rewrite the existing solution for the GuiNotification facade

using this new approach (not functional yet, because laci of
automatic integration with InstanceHandle.
This commit is contained in:
Fischlurch 2009-01-06 06:40:44 +01:00
parent 24fe4bcb70
commit 635b9441f4
2 changed files with 43 additions and 93 deletions

View file

@ -22,70 +22,24 @@
#include "include/interfaceproxy.hpp"
#include "lib/singletonsubclass.hpp" ////////////////////TODO
#include "include/guinotificationfacade.h"
#include "lib/util.hpp"
#include "common/instancehandle.hpp"
#include "lib/error.hpp"
extern "C" {
#include "common/interface.h"
}
#include "lib/util.hpp"
using util::cStr;
namespace singleton = lumiera::singleton;
#include "include/guinotificationfacade.h"
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!
lumiera::facade::Accessor<GuiNotification> GuiNotification::facade;
} // namespace gui
#include "common/instancehandle.hpp"
namespace lumiera {
namespace facade {
@ -105,6 +59,13 @@ namespace lumiera {
typedef Proxy<IHandle> Proxy;
typedef Accessor<FA> Access;
I& _i_;
Holder (IHandle& iha)
: _i_(iha.get())
{ }
public:
static Proxy& open(IHandle& iha)
{
static char buff[sizeof(Proxy)];
@ -120,14 +81,6 @@ namespace lumiera {
Access::implProxy_ = 0;
p->~Proxy();
}
I& _i_;
Holder (IHandle& iha)
: _i_(iha.get())
{ }
};
@ -135,36 +88,6 @@ namespace lumiera {
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)
@ -174,12 +97,39 @@ namespace lumiera {
template<class IHA>
void
closeProxy (IHA& iha)
closeProxy (IHA&)
{
Proxy<IHA>::close();
}
typedef InstanceHandle< LUMIERA_INTERFACE_INAME(lumieraorg_GuiNotification, 1)
, gui::GuiNotification
> Handle_GuiNotification;
template<>
class Proxy<Handle_GuiNotification>
: public Holder<Handle_GuiNotification>
{
//----Proxy-Implementation-of-GuiNotification--------
void displayInfo (string const& text) { _i_.displayInfo (cStr(text)); }
void triggerGuiShutdown (string const& cause) { _i_.triggerGuiShutdown (cStr(cause)); }
public:
Proxy (IHandle& iha) : THolder(iha) {}
};
template void openProxy<Handle_GuiNotification> (Handle_GuiNotification&);
template void closeProxy<Handle_GuiNotification> (Handle_GuiNotification&);
} // namespace facade
} // namespace lumiera

View file

@ -40,7 +40,7 @@
#ifdef __cplusplus /* ============== C++ Interface ================= */
#include "lib/singletonsubclass.hpp"
#include "include/interfaceproxy.hpp"
#include <string>
@ -63,7 +63,7 @@ namespace gui {
class GuiNotification
{
public:
static lumiera::SingletonSub<GuiNotification> facade;
static lumiera::facade::Accessor<GuiNotification> facade;
/** push a user visible notification text */
virtual void displayInfo (string const& text) =0;