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/**

* @file gtk_eventloop.c Purple Event Loop API (gtk implementation)

* @ingroup pidgin

/* pidgin

* Pidgin is the legal property of its developers, whose names are too numerous

* to list here. Please refer to the COPYRIGHT file distributed with this

* source distribution.

* 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 Street, Fifth Floor, Boston, MA 02111-1301 USA

#include <glib.h>

#include "gtkeventloop.h"

#include "eventloop.h"

#ifdef _WIN32

#include "win32dep.h"

#endif

#define PIDGIN_READ_COND (G_IO_IN | G_IO_HUP | G_IO_ERR)

#define PIDGIN_WRITE_COND (G_IO_OUT | G_IO_HUP | G_IO_ERR | G_IO_NVAL)

typedef struct _PidginIOClosure {

PurpleInputFunction function;

guint result;

gpointer data;

} PidginIOClosure;

static gboolean pidgin_io_invoke(GIOChannel *source, GIOCondition condition, gpointer data)

{

PidginIOClosure *closure = data;

PurpleInputCondition purple_cond = 0;

if (condition & PIDGIN_READ_COND)

purple_cond |= PURPLE_INPUT_READ;

if (condition & PIDGIN_WRITE_COND)

purple_cond |= PURPLE_INPUT_WRITE;

#if 0

purple_debug_misc("gtk_eventloop",

"CLOSURE: callback for %d, fd is %d\n",

closure->result, g_io_channel_unix_get_fd(source));

#endif

#ifdef _WIN32

if(! purple_cond) {

#ifdef DEBUG

purple_debug_misc("gtk_eventloop",

"CLOSURE received GIOCondition of 0x%x, which does not"

" match 0x%x (READ) or 0x%x (WRITE)\n",

condition, PIDGIN_READ_COND, PIDGIN_WRITE_COND);

#endif /* DEBUG */

return TRUE;

}

#endif /* _WIN32 */

closure->function(closure->data, g_io_channel_unix_get_fd(source),

purple_cond);

return TRUE;

}

static guint pidgin_input_add(gint fd, PurpleInputCondition condition, PurpleInputFunction function,

gpointer data)

{

PidginIOClosure *closure = g_new0(PidginIOClosure, 1);

GIOChannel *channel;

GIOCondition cond = 0;

#ifdef _WIN32

static int use_glib_io_channel = -1;

if (use_glib_io_channel == -1)

use_glib_io_channel = (g_getenv("PIDGIN_GLIB_IO_CHANNEL") != NULL) ? 1 : 0;

#endif

closure->function = function;

closure->data = data;

if (condition & PURPLE_INPUT_READ)

cond |= PIDGIN_READ_COND;

if (condition & PURPLE_INPUT_WRITE)

cond |= PIDGIN_WRITE_COND;

#ifdef _WIN32

if (use_glib_io_channel == 0)

channel = wpurple_g_io_channel_win32_new_socket(fd);

else

#endif

channel = g_io_channel_unix_new(fd);

closure->result = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, cond,

pidgin_io_invoke, closure, g_free);

#if 0

purple_debug_misc("gtk_eventloop",

"CLOSURE: adding input watcher %d for fd %d\n",

closure->result, fd);

#endif

g_io_channel_unref(channel);

return closure->result;

}

static PurpleEventLoopUiOps eventloop_ops =

{

g_timeout_add,

g_source_remove,

pidgin_input_add,

g_source_remove,

NULL, /* input_get_error */

#if GLIB_CHECK_VERSION(2,14,0)

g_timeout_add_seconds,

#else

NULL,

#endif

NULL,

NULL

};

PurpleEventLoopUiOps *

pidgin_eventloop_get_ui_ops(void)

{

return &eventloop_ops;

}

pidgin/pidgin