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/*
* Ekiga -- A VoIP and Video-Conferencing application
* Copyright (C) 2000-2009 Damien Sandras <dsandras@seconix.com>
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Ekiga is licensed under the GPL license and as a special exception, you
* have permission to link or otherwise combine this program with the
* programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
* applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
* programs, as long as you do follow the requirements of the GNU GPL for all
* the rest of the software thus combined.
*/
/*
* runtime-glib.cpp - description
* ------------------------------------------
* begin : written in 2007 by Julien Puydt
* copyright : (c) 2007 by Julien Puydt
* description : glib implementation of a runtime helper
*
*/
#include "runtime.h"
#include <glib.h>
static GAsyncQueue* queue;
/* implementation of the helper functions
*
*/
struct message
{
message (boost::function0<void> _action,
unsigned int _seconds): action(_action),
seconds(_seconds)
{}
boost::function0<void> action;
unsigned int seconds;
};
static void
free_message (struct message* msg)
{
delete msg;
}
static gboolean
run_later_or_back_in_main_helper (gpointer data)
{
struct message *msg = (struct message *)data;
msg->action ();
free_message (msg);
return FALSE;
}
/* Implementation of the GSource
*
*/
struct source
{
GSource source;
GAsyncQueue *queue;
};
static gboolean
check (GSource *source)
{
return (g_async_queue_length (((struct source *)source)->queue) > 0);
}
static gboolean
prepare (GSource *source,
gint *timeout)
{
*timeout = 100;
return check (source);
}
static gboolean
dispatch (GSource *source,
GSourceFunc /*callback*/,
gpointer /*data*/)
{
struct source *src = (struct source *)source;
struct message *msg = NULL;
msg = (struct message *)g_async_queue_pop (src->queue);
if (msg->seconds == 0)
(void)run_later_or_back_in_main_helper ((gpointer)msg);
else
g_timeout_add_seconds (msg->seconds,
run_later_or_back_in_main_helper, (gpointer)msg);
return TRUE;
}
static void
finalize (GSource *source)
{
g_async_queue_unref (((struct source *)source)->queue);
delete (struct source *)source;
}
static GSourceFuncs source_funcs = {
prepare,
check,
dispatch,
finalize,
NULL,
NULL
};
void
Ekiga::Runtime::init ()
{
// here we get a ref to the queue, which we'll release in quit
queue = g_async_queue_new_full ((GDestroyNotify)free_message);
struct source* source = (struct source *)g_source_new (&source_funcs,
sizeof (struct source));
source->queue = queue;
g_async_queue_ref (queue); // give a ref to the source
g_source_attach ((GSource *)source, g_main_context_default ());
}
void
Ekiga::Runtime::run ()
{
}
void
Ekiga::Runtime::quit ()
{
g_async_queue_unref (queue);
queue = NULL;
}
void
Ekiga::Runtime::run_in_main (boost::function0<void> action,
unsigned int seconds)
{
if (queue != NULL)
g_async_queue_push (queue, (gpointer)(new struct message (action, seconds)));
}
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