pidgin/pidgin

Add a wrapper around the mdns interface implementation.

2020-12-31, Elliott Sales de Andrade
6777a9b23fd0
Add a wrapper around the mdns interface implementation.

This might seem weird, but it's preparation to do more implementation work on Windows. Possibly also macOS, as it's weird that Avahi appears to be used and not Apple's version.

Testing Done:
Compile on both, and run on Linux.

Reviewed at https://reviews.imfreedom.org/r/315/
/* 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 <gmodule.h>
#include <gplugin.h>
#include <purple.h>
/* make the compiler happy... */
G_MODULE_EXPORT GPluginPluginInfo *gplugin_query(GError **error);
G_MODULE_EXPORT gboolean gplugin_load(GPluginPlugin *plugin, GError **error);
G_MODULE_EXPORT gboolean gplugin_unload(GPluginPlugin *plugin, GError **error);
/******************************************************************************
* Helpers
*****************************************************************************/
static GApplication *
purple_toast_get_application(void) {
static GApplication *application = NULL;
if(G_UNLIKELY(application == NULL)) {
application = g_application_get_default();
if(application == NULL) {
application = g_application_new(NULL, G_APPLICATION_FLAGS_NONE);
g_application_register(application, NULL, NULL);
}
}
return application;
}
static void
purple_toast_show_notification(const gchar *title,
const gchar *body,
GIcon *icon)
{
GNotification *notification = g_notification_new(title);
gchar *stripped = purple_markup_strip_html(body);
g_notification_set_body(notification, stripped);
g_free(stripped);
if(G_IS_ICON(icon)) {
g_notification_set_icon(notification, icon);
}
g_application_send_notification(purple_toast_get_application(),
NULL,
notification);
g_object_unref(G_OBJECT(notification));
}
static GIcon *
purple_toast_find_icon(PurpleAccount *account,
PurpleBuddy *buddy,
const gchar *sender)
{
GIcon *icon = NULL;
if(PURPLE_IS_BUDDY(buddy)) {
PurpleBuddyIcon *buddy_icon = purple_buddy_get_icon(buddy);
if(buddy_icon) {
const gchar *filename = NULL;
filename = purple_buddy_icon_get_full_path(buddy_icon);
if(filename != NULL) {
GFile *file = g_file_new_for_path(filename);
icon = g_file_icon_new(file);
g_object_unref(file);
}
}
} else {
PurpleImage *image = NULL;
const gchar *path = NULL;
image = purple_buddy_icons_find_account_icon(account);
if(PURPLE_IS_IMAGE(image)) {
path = purple_image_get_path(image);
if(path) {
GFile *file = g_file_new_for_path(path);
icon = g_file_icon_new(file);
g_object_unref(G_OBJECT(file));
}
g_object_unref(G_OBJECT(image));
}
}
/* We should probably have a fallback, but we need a libpurple or
* pidgin icon or something to make that happen.
*/
return icon;
}
/******************************************************************************
* Callbacks
*****************************************************************************/
static void
purple_toast_im_message_received(PurpleAccount *account,
const gchar *sender,
const gchar *message,
PurpleConversation *conv,
PurpleMessageFlags flags,
gpointer data)
{
PurpleBuddy *buddy = NULL;
GIcon *icon = NULL;
const gchar *title = NULL;
buddy = purple_blist_find_buddy(account, sender);
title = PURPLE_IS_BUDDY(buddy) ? purple_buddy_get_alias(buddy) : sender;
icon = purple_toast_find_icon(account, buddy, sender);
purple_toast_show_notification(title, message, icon);
if(G_IS_ICON(icon)) {
g_object_unref(G_OBJECT(icon));
}
}
static void
purple_toast_chat_message_received(PurpleAccount *account,
gchar *sender,
gchar *message,
PurpleConversation *conv,
PurpleMessageFlags flags,
gpointer data)
{
PurpleBuddy *buddy = NULL;
GIcon *icon = NULL;
gchar *title = NULL;
const gchar *chat_name = NULL, *from = NULL;
/* figure out the title */
chat_name = purple_conversation_get_name(PURPLE_CONVERSATION(conv));
if(chat_name) {
PurpleChat *chat = purple_blist_find_chat(account, chat_name);
if(chat) {
chat_name = purple_chat_get_name(chat);
}
}
from = sender;
buddy = purple_blist_find_buddy(account, sender);
if(PURPLE_IS_BUDDY(buddy)) {
from = purple_buddy_get_alias(buddy);
}
title = g_strdup_printf("%s : %s", chat_name, from);
/* figure out the icon */
icon = purple_toast_find_icon(account, buddy, sender);
/* show the notification */
purple_toast_show_notification(title, message, icon);
/* clean up our memory */
g_free(title);
if(G_IS_ICON(icon)) {
g_object_unref(G_OBJECT(icon));
}
}
/******************************************************************************
* Plugin Exports
*****************************************************************************/
G_MODULE_EXPORT GPluginPluginInfo *
gplugin_query(GError **error) {
PurplePluginInfo *info = NULL;
const gchar * const authors[] = {
"Gary Kramlich <grim@reaperworld.com>",
NULL
};
info = purple_plugin_info_new(
"id", "purple/toast",
"abi-version", PURPLE_ABI_VERSION,
"name", "Purple Toast",
"version", "0.0.1",
"summary", "Toast notifications",
"authors", authors,
NULL
);
return GPLUGIN_PLUGIN_INFO(info);
}
G_MODULE_EXPORT gboolean
gplugin_load(GPluginPlugin *plugin, GError **error) {
gpointer conv_handle = purple_conversations_get_handle();
purple_signal_connect(conv_handle,
"received-im-msg",
plugin,
PURPLE_CALLBACK(purple_toast_im_message_received),
NULL
);
purple_signal_connect(conv_handle,
"received-chat-msg",
plugin,
PURPLE_CALLBACK(purple_toast_chat_message_received),
NULL
);
return TRUE;
}
G_MODULE_EXPORT gboolean
gplugin_unload(GPluginPlugin *plugin, GError **error) {
return TRUE;
}