LUMIERA.clone/src/gui/notification-service.cpp

182 lines
9.7 KiB
C++

/*
NotificationService - public service allowing to push information into the GUI
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 "gui/notification-service.hpp"
#include "lib/depend.hpp"
#include "include/logging.h"
#include "lib/util.hpp"
extern "C" {
#include "common/interface-descriptor.h"
}
#include <string>
namespace gui {
using std::string;
using util::cStr;
void
NotificationService::displayInfo (string const& text)
{
INFO (gui, "@GUI: display '%s' as notification message.", cStr(text));
////////////////////////TODO actually push the information to the GUI
}
void
NotificationService::triggerGuiShutdown (string const& cause)
{
NOTICE (gui, "@GUI: shutdown triggered with explanation '%s'....", cStr(cause));
TODO ("actually request a shutdown from the GUI");
}
namespace { // facade implementation details
/* ================== define an lumieraorg_GuiNotification instance ======================= */
LUMIERA_INTERFACE_INSTANCE (lumieraorg_interfacedescriptor, 0
,lumieraorg_GuiNotificationFacade_descriptor
, NULL, NULL, NULL
, LUMIERA_INTERFACE_INLINE (name,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "GuiNotification"; }
)
, LUMIERA_INTERFACE_INLINE (brief,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "GUI Interface: push state update and notification of events into the GUI"; }
)
, LUMIERA_INTERFACE_INLINE (homepage,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "http://www.lumiera.org/develompent.html" ;}
)
, LUMIERA_INTERFACE_INLINE (version,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "0.1~pre"; }
)
, LUMIERA_INTERFACE_INLINE (author,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "Hermann Vosseler"; }
)
, LUMIERA_INTERFACE_INLINE (email,
const char*, (LumieraInterface ifa),
{ (void)ifa; return "Ichthyostega@web.de"; }
)
, LUMIERA_INTERFACE_INLINE (copyright,
const char*, (LumieraInterface ifa),
{
(void)ifa;
return
"Copyright (C) Lumiera.org\n"
" 2008 Hermann Vosseler <Ichthyostega@web.de>";
}
)
, LUMIERA_INTERFACE_INLINE (license,
const char*, (LumieraInterface ifa),
{
(void)ifa;
return
"This program is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation; either version 2 of the License, or\n"
"(at your option) any later version.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program; if not, write to the Free Software\n"
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA";
}
)
, LUMIERA_INTERFACE_INLINE (state,
int, (LumieraInterface ifa),
{(void)ifa; return LUMIERA_INTERFACE_EXPERIMENTAL; }
)
, LUMIERA_INTERFACE_INLINE (versioncmp,
int, (const char* a, const char* b),
{return 0;} ////////////////////////////////////////////TODO define version ordering
)
);
using lumiera::facade::LUMIERA_ERROR_FACADE_LIFECYCLE;
typedef lib::SingletonRef<GuiNotification>::Accessor InstanceRef;
InstanceRef _instance; ///< a backdoor for the C Language impl to access the actual GuiNotification implementation...
LUMIERA_INTERFACE_INSTANCE (lumieraorg_GuiNotification, 0
,lumieraorg_GuiNotificationService
, LUMIERA_INTERFACE_REF(lumieraorg_interfacedescriptor, 0, lumieraorg_GuiNotificationFacade_descriptor)
, NULL /* on open */
, NULL /* on close */
, LUMIERA_INTERFACE_INLINE (displayInfo,
void, (const char* text),
{
if (!_instance) lumiera_error_set(LUMIERA_ERROR_FACADE_LIFECYCLE, text);
else
_instance->displayInfo(text);
}
)
, LUMIERA_INTERFACE_INLINE (triggerGuiShutdown,
void, (const char* cause),
{
if (!_instance) lumiera_error_set(LUMIERA_ERROR_FACADE_LIFECYCLE, cause);
else
_instance->triggerGuiShutdown(cause);
}
)
);
} // (END) facade implementation details
NotificationService::NotificationService ()
: implInstance_(this,_instance),
serviceInstance_( LUMIERA_INTERFACE_REF (lumieraorg_GuiNotification, 0,lumieraorg_GuiNotificationService))
{
INFO (gui, "GuiNotification Facade opened.");
}
} // namespace gui