gnoemoe/gnoemoe/mcp/gm-mcp-icecrew-userlist.c

#include <glib.h>
#include <string.h>
#include <glob.h>
#include <unistd.h>
#include <errno.h>

#include "gm-mcp-icecrew-userlist.h"
#include "gm-iuserlist.h"
#include "gm-mcp-userlist-view.h"
#include "gm-mcp-icecrew-playerdb.h"
#include "gm-mcp-session.h"
#include "gm-mcp.h"
#include "gm-support.h"
#include "gm-marshal.h"
#include "gm-debug.h"
#include "gm-world.h"
#include "gm-triggers.h"

#define GM_MCP_ICECREW_USERLIST_GET_PRIVATE(object)( \
		G_TYPE_INSTANCE_GET_PRIVATE((object), \
		GM_TYPE_MCP_ICECREW_USERLIST, GmMcpIcecrewUserlistPrivate))

#define USERLIST_ICON_SIZE 22

static GmKeyValuePair default_states[] = {
	{"away+idle", "ice-userlist/away+idle.svg"},
	{"busy+idle", "ice-userlist/busy+idle.svg"},
	{"avail+idle", "ice-userlist/avail+idle.svg"},
	{"away", "ice-userlist/away.svg"},
	{"busy", "ice-userlist/busy.svg"},
	{NULL, NULL}
};

static GmKeyValuePair default_ranks[] = {
	{"inhabitant", "ice-userlist/inhabitant.svg"},
	{"programmer", "ice-userlist/programmer.svg"},
	{"wizard", "ice-userlist/wizard.svg"},
	{NULL, NULL}
};

struct _GmMcpIcecrewUserlistPrivate {
	GList *state_icons;
	GList *rank_icons;
	GList *state_alternatives;
	GList *rank_alternatives;

	GList *key_datatags;
	GmFetchHandle *rank_fetch;
	GmFetchHandle *state_fetch;

	gchar *rank_dir;
	gchar *state_dir;
	gchar **property_names;
	GList *menu;
	
	gboolean initializing;
};

static gchar *gm_mcp_icecrew_userlist_depends[] = {
	"dns-nl-icecrew-playerdb",
	NULL
};
static gchar *gm_mcp_icecrew_userlist_overrides[] = {
	"dns-com-vmoo-userlist",
	NULL
};

enum {
	P_NAME,
	P_RANK,
	P_STATE,
	P_STATE_MSG
};

static gchar *gm_mcp_icecrew_userlist_property_names0[] = {
	"P_NAME",
	"P_RANK",
	"P_STATE",
	"P_STATE_MSG"
};
static gchar *gm_mcp_icecrew_userlist_property_names1[] = {
	"name",
	"rank",
	"state",
	"state_msg"
};

/* Signals

enum {
	NUM_SIGNALS
}; */

//static guint gm_mcp_icecrew_userlist_signals[NUM_SIGNALS] = {0};
static void gm_mcp_icecrew_userlist_iface_init(GmIUserlistInterface *iface);

G_DEFINE_TYPE_EXTENDED(GmMcpIcecrewUserlist, gm_mcp_icecrew_userlist, \
		GM_TYPE_MCP_PACKAGE, 0, G_IMPLEMENT_INTERFACE(GM_TYPE_IUSERLIST, \
		gm_mcp_icecrew_userlist_iface_init))

void on_gm_mcp_icecrew_userlist_add(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, GmMcpIcecrewUserlist *userlist);
void on_gm_mcp_icecrew_userlist_set(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, gchar const *key, gchar const *value,
		gchar const *old, GmMcpIcecrewUserlist *userlist);
void on_gm_mcp_icecrew_userlist_delete(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, GmMcpIcecrewUserlist *userlist);

void on_gm_mcp_icecrew_userlist_fetch_progress(GmFetchHandle *g, 
		GmMcpIcecrewUserlist *package);

gboolean gm_mcp_icecrew_userlist_handle_multi(GmMcpPackage *package,
		gchar const *data_tag, gchar const *key, gchar const *value,
		GList *all_values);

void gm_mcp_icecrew_userlist_set_session(GmMcpPackage *package, 
		GObject *session);
void gm_mcp_icecrew_userlist_create_view(GmMcpPackage *package, 
		GObject *parent);

void gm_mcp_icecrew_userlist_fetch_progress(GmFetchHandle *g, 
		GmMcpIcecrewUserlist *package);

GList *gm_mcp_icecrew_userlist_get_menu(GmIUserlist *userlist, gint id);
gboolean gm_mcp_icecrew_userlist_supports_status(GmIUserlist *userlist);
gchar *gm_mcp_icecrew_userlist_get_status(GmIUserlist *userlist, gint id);

gchar const *gm_mcp_icecrew_userlist_get_name(GmIUserlist *userlist, gint id);
gchar const *gm_mcp_icecrew_userlist_get_icon(GmIUserlist *userlist, gint id,
		gboolean use_state);
gint gm_mcp_icecrew_userlist_get_rank_priority(GmIUserlist *userlist, gint id);
gint gm_mcp_icecrew_userlist_get_state_priority(GmIUserlist *userlist, gint id);

static void
gm_mcp_icecrew_userlist_iface_init(
		GmIUserlistInterface *iface) {
	iface->get_menu = gm_mcp_icecrew_userlist_get_menu;
	iface->get_status = gm_mcp_icecrew_userlist_get_status;

	iface->get_name = gm_mcp_icecrew_userlist_get_name;
	iface->get_icon = gm_mcp_icecrew_userlist_get_icon;
	iface->get_rank_priority = gm_mcp_icecrew_userlist_get_rank_priority;
	iface->get_state_priority = gm_mcp_icecrew_userlist_get_state_priority;
}

void
gm_mcp_icecrew_userlist_pair_free(GmKeyValuePair *pair) {
	g_free(pair->key);
	g_free(pair->value);
	g_free(pair);
}

void
gm_mcp_icecrew_userlist_free_list(GList *rs) {
	GList *item;

	for (item = rs; item; item = item->next) {
		gm_mcp_icecrew_userlist_pair_free((GmKeyValuePair *)(item->data));
	}
  
	g_list_free(rs);
}

static void
gm_mcp_icecrew_userlist_free_menu(GmMcpIcecrewUserlist *obj) {
	gm_mcp_icecrew_userlist_free_list(obj->priv->menu);
	obj->priv->menu = NULL;
}

static void
gm_mcp_icecrew_userlist_finalize(GObject *object) {
	GmMcpIcecrewUserlist *obj = GM_MCP_ICECREW_USERLIST(object);
	GmMcpPackage *playerdb = gm_mcp_session_find_package(
			GM_MCP_PACKAGE_SESSION(obj), "dns-nl-icecrew-playerdb");
	
	if (playerdb) {
		g_signal_handlers_disconnect_by_func(playerdb, 
				on_gm_mcp_icecrew_userlist_add, obj);
		g_signal_handlers_disconnect_by_func(playerdb, 
				on_gm_mcp_icecrew_userlist_set, obj);
		g_signal_handlers_disconnect_by_func(playerdb, 
				on_gm_mcp_icecrew_userlist_delete, obj);
	}

	if (obj->priv->rank_fetch) {
		obj->priv->rank_fetch->aborted = TRUE;
	}
  
	if (obj->priv->state_fetch) {
		obj->priv->state_fetch->aborted = TRUE;
	}
	  
	gm_mcp_icecrew_userlist_free_list(obj->priv->state_icons);
	gm_mcp_icecrew_userlist_free_list(obj->priv->rank_icons);
	gm_mcp_icecrew_userlist_free_list(obj->priv->key_datatags);
	gm_mcp_icecrew_userlist_free_menu(obj);
	gm_mcp_icecrew_userlist_free_list(obj->priv->rank_alternatives);
	gm_mcp_icecrew_userlist_free_list(obj->priv->state_alternatives);

	g_free(obj->priv->rank_dir);
	g_free(obj->priv->state_dir);
  
	G_OBJECT_CLASS(gm_mcp_icecrew_userlist_parent_class)->finalize(object);
}

static void
gm_mcp_icecrew_userlist_class_init(GmMcpIcecrewUserlistClass *klass) {
	GObjectClass *object_class = G_OBJECT_CLASS(klass);
	GmMcpPackageClass *pklass = GM_MCP_PACKAGE_CLASS(klass);
	
	object_class->finalize = gm_mcp_icecrew_userlist_finalize;

	pklass->name = "dns-nl-icecrew-userlist";
	pklass->depends = gm_mcp_icecrew_userlist_depends;
	pklass->overrides = gm_mcp_icecrew_userlist_overrides;
	pklass->min_version = 1.0;
	pklass->max_version = 1.1;
	pklass->set_session = &gm_mcp_icecrew_userlist_set_session;
	pklass->handle_multi = &gm_mcp_icecrew_userlist_handle_multi;
	pklass->create_view = &gm_mcp_icecrew_userlist_create_view;
	
	g_type_class_add_private(object_class, sizeof(GmMcpIcecrewUserlistPrivate));
}

GmKeyValuePair *
gm_mcp_icecrew_userlist_url_map_new(gchar const *name, gchar const *filename) {
	GmKeyValuePair *r = g_new(GmKeyValuePair, 1);
  
	r->key = g_strdup(name);
	r->value = g_strdup(filename);
  
	return r;
}

GList *
gm_mcp_icecrew_userlist_find_icon_names(GList *icons, gchar const *path) {
	GList *item, *res = NULL;
	GmKeyValuePair *map;

	if (path == NULL || icons == NULL) {
		return NULL;
	}

	for (item = icons; item; item = item->next) {
		map = (GmKeyValuePair *)(item->data);

		if (map->value != NULL && strcmp(map->value, path) == 0) {
			res = g_list_append(res, map->key);
		}    
	}
  
	return res;
}

guint
gm_mcp_icecrew_userlist_find_path(GList *icons, gchar const *name, 
		gchar const **path) {
	GList *item;
	GmKeyValuePair *map;
	guint position = 0;
	
	if (name == NULL) {
		if (path != NULL) {
			*path = NULL;
		}
		
		return 0;
	}
	
	for (item = icons; item; item = item->next) {
		map = (GmKeyValuePair *)(item->data);

		if (map->key != NULL && strcmp(map->key, name) == 0) {
			if (path != NULL) {
				*path = map->value;
			}
			return position;
		}
		
		++position;
	}

	if (path != NULL) {
		*path = NULL;
	}
	
	return position + 1;
}

void
gm_mcp_icecrew_userlist_remove_datatag(GmMcpIcecrewUserlist *package, 
		gchar const *datatag) {
	GList *item;
	GmKeyValuePair *map;

	if (datatag == NULL) {
		return;
	}

	for (item = package->priv->key_datatags; item; item = item->next) {
		map = (GmKeyValuePair *)(item->data);
    
		if (strcmp(map->value, datatag) == 0) {
			gm_mcp_icecrew_userlist_pair_free(map);
			
			package->priv->key_datatags = g_list_remove_link(
					package->priv->key_datatags, item);
			g_list_free_1(item);
			
			return;
		}
	}
}

gchar const *
gm_mcp_icecrew_userlist_find_key(GmMcpIcecrewUserlist *package, 
		gchar const *datatag) {
	GList *item;
	GmKeyValuePair *map;

	if (datatag == NULL) {
		return NULL;
	}

	for (item = package->priv->key_datatags; item; item = item->next) {
		map = (GmKeyValuePair *)(item->data);
    
		if (map->value != NULL && strcmp(map->value, datatag) == 0) {
			return map->key;
		}
	}
  
	return NULL;
}

gchar const *
gm_mcp_icecrew_userlist_find_name(gchar const *name, 
		GmKeyValuePair def[]) {
	GmKeyValuePair *pair = def;
	
	if (name == NULL) {
		return NULL;
	}
	
	while (!(pair->key == NULL && pair->value == NULL)) {
		if (pair->key != NULL && strcmp(pair->key, name) == 0) {
			return pair->value;
		}
   
		++pair;
	} 
  
	return NULL;
}

void
gm_mcp_icecrew_userlist_init_states(GmMcpIcecrewUserlist *package) {
	GmKeyValuePair *pair = default_states;
	
	package->priv->state_icons = NULL;
	
	while (!(pair->key == NULL && pair->value == NULL)) {
		package->priv->state_icons = g_list_append(package->priv->state_icons, 
				gm_mcp_icecrew_userlist_url_map_new(pair->key, pair->value));
		++pair;
	}
}

void
gm_mcp_icecrew_userlist_init_ranks(GmMcpIcecrewUserlist *package) {
	GmKeyValuePair *pair = default_ranks;
	
	package->priv->rank_icons = NULL;
	
	while (!(pair->key == NULL && pair->value == NULL)) {
		package->priv->rank_icons = g_list_append(package->priv->rank_icons, 
				gm_mcp_icecrew_userlist_url_map_new(pair->key, pair->value));
		++pair;
	}
}

static void
gm_mcp_icecrew_userlist_init(GmMcpIcecrewUserlist *obj) {
	obj->priv = GM_MCP_ICECREW_USERLIST_GET_PRIVATE(obj);

	obj->priv->rank_alternatives = NULL;
	obj->priv->state_alternatives = NULL;
	obj->priv->key_datatags = NULL;
	obj->priv->rank_dir = NULL;
	obj->priv->state_dir = NULL;
	obj->priv->rank_fetch = NULL;
	obj->priv->state_fetch = NULL;
	
	gm_mcp_icecrew_userlist_init_states(obj);
	gm_mcp_icecrew_userlist_init_ranks(obj); 
}

GmMcpIcecrewUserlist *
gm_mcp_icecrew_userlist_new() {
	GmMcpIcecrewUserlist *obj = GM_MCP_ICECREW_USERLIST(g_object_new(
			GM_TYPE_MCP_ICECREW_USERLIST, NULL));
	
	return obj;
}

gchar *
gm_mcp_icecrew_userlist_remote_to_local_path(gchar const *url, 
		gchar const *dirname) {
	gchar *base = g_path_get_basename(url);
	gchar *result;

	result = g_strconcat(dirname, G_DIR_SEPARATOR_S, base, NULL);
	g_free(base);
	
	return result;
}

void
gm_mcp_icecrew_userlist_remove_alternatives(GmMcpIcecrewUserlist *package,
		gchar const *path, gint n, gboolean rank) {
	GList *item, **alter;
	gint i;
	GmKeyValuePair *map;
	gchar *name, *pathd, *dir;

	if (path == NULL) {
		return;
	}
	
	alter = rank ? &(package->priv->rank_alternatives) : 
			&(package->priv->state_alternatives);
	dir = rank ? package->priv->rank_dir : package->priv->state_dir;
  
	for (item = *alter; item; item = item->next) {
		map = (GmKeyValuePair *)(item->data);
		pathd = gm_mcp_icecrew_userlist_remote_to_local_path(map->value, dir);

		if (pathd != NULL && strcmp(pathd, path) == 0) {
			name = g_strdup(map->key);
			i = 0;
			
			if (name != NULL) {
				while (item && (n == 0 || i < n)) {
					map = (GmKeyValuePair *)(item->data);
					++i;
        
					if (map->key != NULL && strcmp(map->key, name) == 0) {
						item = item->next;
						*alter = g_list_remove(*alter, map);
						gm_mcp_icecrew_userlist_pair_free(map);
					} else {
						break;
					}
				}
			}
      
			g_free(name);

			break;
		}
    
		g_free(pathd);
	}
}

gchar const *
gm_mcp_icecrew_userlist_icon_path(GmMcpIcecrewUserlist *package,
		GmPlayerdbPlayerInfo *ppi, gboolean use_state) {
	gchar const *state;
	gchar const *icon_path = NULL;
	
	state = gm_playerdb_player_info_get_prop(ppi, 
			package->priv->property_names[P_STATE]);
  
	if (!use_state || (state != NULL && strcmp(state, "avail") == 0)) {
		gm_mcp_icecrew_userlist_find_path(package->priv->rank_icons,
				gm_playerdb_player_info_get_prop(ppi, 
						package->priv->property_names[P_RANK]), &icon_path);
	} else {
		gm_mcp_icecrew_userlist_find_path(package->priv->state_icons,
				state, &icon_path);

	}
	
	return icon_path;
}

void
gm_mcp_icecrew_userlist_update_rank_icon(GmPlayerdbPlayerInfo *ppi, 
		gpointer user_data) {
	g_signal_emit_by_name(user_data, "rank-changed", ppi->id);
}

void
gm_mcp_icecrew_userlist_update_state_icon(GmPlayerdbPlayerInfo *ppi, 
		gpointer user_data) {
	g_signal_emit_by_name(user_data, "state-changed", ppi->id);
}

void 
gm_mcp_icecrew_userlist_new_rank_state_icon(GmMcpIcecrewUserlist *package,
		gchar *path, gboolean rank) {
	GList *names;
	GList *tmp;
	GmMcpPackage *playerdb;
	
	playerdb = gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(package), 
			"dns-nl-icecrew-playerdb");
	
	g_return_if_fail(playerdb != NULL);
	
	if (rank) {
		names = gm_mcp_icecrew_userlist_find_icon_names(
				package->priv->rank_icons, path);
	} else {
		names = gm_mcp_icecrew_userlist_find_icon_names(
				package->priv->state_icons, path);
	}
  
	if (names == NULL) {
		return;
	}
  
	for (tmp = names; tmp; tmp = tmp->next) {
		if (rank) {
			gm_mcp_icecrew_playerdb_find_players_with(
					GM_MCP_ICECREW_PLAYERDB(playerdb), 
					package->priv->property_names[P_RANK], 
					(gchar *)(tmp->data), 
					gm_mcp_icecrew_userlist_update_rank_icon, package);
		} else {
			gm_mcp_icecrew_playerdb_find_players_with(
					GM_MCP_ICECREW_PLAYERDB(playerdb), 
					package->priv->property_names[P_STATE], 
					(gchar *)(tmp->data), 
					gm_mcp_icecrew_userlist_update_state_icon, package);
		}
	}
  
	g_list_free(names);
}

void
gm_mcp_icecrew_userlist_remove_not_used_icons(GList *icons, gchar *dir) {
	glob_t gl;
	guint i;
	GList *names;
	gchar *g = g_strconcat(dir, G_DIR_SEPARATOR_S, "*", NULL);
  
	glob(g, 0, NULL, &gl);
  
	for (i = 0; i < gl.gl_pathc; ++i) {
		names = gm_mcp_icecrew_userlist_find_icon_names(icons, gl.gl_pathv[i]);
		
		if (!names) {
			gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.RemoveNotUsedIcons: "
					"removing %s", gl.gl_pathv[i]);
					
			if (unlink(gl.gl_pathv[i]) == -1) {
				gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.RemoveNotUsedIcons: "
						"error %s", strerror(errno));
			}
		} else {
			g_list_free(names);
		}
	}

	g_free(g);
	globfree(&gl);
}

void
gm_mcp_icecrew_userlist_fetch_next_alternatives(GmMcpIcecrewUserlist *package, 
		gboolean rank) {
	GList *source_uri = NULL, *dest_uri = NULL;
	gchar *prev_name = NULL, *path;
	GList *item, **alter, *iter;
	GmKeyValuePair *map, *itermap;
  
	/* Select unique name alternatives */
	alter = rank ? &(package->priv->rank_alternatives) : 
			&(package->priv->state_alternatives);
	item = *alter;
		
	while (item) {
		map = (GmKeyValuePair *)(item->data);
    
		gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchNextAlternatives: "
				"checking: %s", map->value);
				
		/* Skip alternatives with names we've already stored to be fetched */
		if (prev_name == NULL || (map->key != NULL && 
				strcmp(map->key, prev_name) != 0)) {
			prev_name = map->key;

			path = gm_mcp_icecrew_userlist_remote_to_local_path(map->value, 
					rank ? package->priv->rank_dir : 
					package->priv->state_dir);
			
			gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist."
					"FetchNextAlternatives: adding to be fetched: %s => %s", 
					map->key, map->value);

			source_uri = g_list_append(source_uri, map->value);
			dest_uri = g_list_append(dest_uri, path);
	      
			unlink(path);
	      
			for (iter = rank ? package->priv->rank_icons : 
					package->priv->state_icons; iter; iter = iter->next) {
				itermap = (GmKeyValuePair *)(iter->data);
	        
				if (itermap->key != NULL && 
						strcmp(itermap->key, map->key) == 0) {
					g_free(itermap->value);
					itermap->value = g_strdup(path);
					break;
				}
			}
		}
		
		if (source_uri != NULL)
			break;
		
		item = item->next;
	}
  
	if (source_uri != NULL) {
		if (rank) {
			package->priv->rank_fetch = gm_fetch(source_uri, dest_uri, 
					(GFunc)gm_mcp_icecrew_userlist_fetch_progress, package);
		} else {
			package->priv->state_fetch = gm_fetch(source_uri, dest_uri, 
					(GFunc)gm_mcp_icecrew_userlist_fetch_progress, package);
		}
	  
		gm_g_list_free_simple(dest_uri);
	} else {
		if (rank) {
			gm_mcp_icecrew_userlist_remove_not_used_icons(
					package->priv->rank_icons, package->priv->rank_dir);
		} else {
			gm_mcp_icecrew_userlist_remove_not_used_icons(
					package->priv->state_icons, package->priv->state_dir);
		}
	}
}

void 
gm_mcp_icecrew_userlist_fetch_progress(GmFetchHandle *g, 
		GmMcpIcecrewUserlist *package) {
	gchar *path;
	gboolean rank;
	GdkPixbuf *pixtest;
	GError *err = NULL;

	if (g->aborted) {    
		gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchProgress: "
				"fetch aborted!");
		return;
	}

	rank = (package->priv->rank_fetch == g);

	if (g->done) {
		gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchProgress: "
				"fetch done!");

		/* Remove this one from the alternatives */
		gm_mcp_icecrew_userlist_remove_alternatives(package, 
				gnome_vfs_uri_get_path((GnomeVFSURI *)(g->dest_uri->data)), 
				1, rank);
		
		if (rank) {
			package->priv->rank_fetch = NULL;
			gm_mcp_icecrew_userlist_fetch_next_alternatives(package, TRUE);
		} else {
			package->priv->state_fetch = NULL;
			gm_mcp_icecrew_userlist_fetch_next_alternatives(package, FALSE);
		}

		return;
	}
  
	if (g->status == GNOME_VFS_XFER_PROGRESS_STATUS_VFSERROR) {
		/* Skip to the next alternative (in the next run, see on done */
		gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchProgress: error");
	}
  
	if (g->cur_phase == GNOME_VFS_XFER_PHASE_FILECOMPLETED) {
		path = gnome_vfs_get_local_path_from_uri(g->cur_file_name);
		gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchProgress: "
				"%s fetched!", path);
		pixtest = gdk_pixbuf_new_from_file(path, &err);

		if (pixtest) {
			/* Remove alternatives which don't need to be fetched anymore */
			g_object_unref(pixtest);
			gm_mcp_icecrew_userlist_remove_alternatives(package, path, 0, rank);
	    
			if (rank) {
				gm_mcp_icecrew_userlist_new_rank_state_icon(package, path, 
						TRUE);
			} else {
				gm_mcp_icecrew_userlist_new_rank_state_icon(package, path, 
						FALSE);
			}
		} else {
			/* This failed! */
			gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.FetchProgress: "
					"error, couldn't load file: %s", err->message);
			g_error_free(err);
			gm_mcp_icecrew_userlist_remove_alternatives(package, path, 1, rank);
		}

		g_free(path);
	}
}

#define MAX_MATCHES 10

void
gm_mcp_icecrew_userlist_process_triggers(GmMcpIcecrewUserlist *package,
		gchar const *username, GmTriggerConditionType condition) {
	GmWorld *world;
	GmTriggers *triggers;
	GList const *item;
	GmTrigger *trigger;
	regmatch_t matches[MAX_MATCHES];
	gint num;
	GmMcpPackage *playerdb = gm_mcp_session_find_package(
			GM_MCP_PACKAGE_SESSION(package), "dns-nl-icecrew-playerdb");

	if (gm_mcp_icecrew_playerdb_initializing(
			GM_MCP_ICECREW_PLAYERDB(playerdb))) {
		return;
	}
	
	world = GM_MCP_SESSION_WORLD(GM_MCP_PACKAGE_SESSION(package));
	triggers = gm_world_triggers(world);
	
	for (item = gm_triggers_list(triggers); item; item = item->next) {
		trigger = (GmTrigger *)(item->data);
		
		if (trigger->event == TT_USERS) {
			if ((num = gm_trigger_match_user(trigger, username, condition, 
					matches, MAX_MATCHES))) {
				gm_world_apply_trigger(world, trigger, username, matches, num);
			}
		}			
	}
	
}

gchar *
gm_mcp_icecrew_userlist_menu_item_subst(GmMcpIcecrewUserlist *package,
		gchar *str, GmPlayerdbPlayerInfo *info) {
	GString *result;
	gchar *ptr = str, *subst = NULL, *tmp, *prop;
	gchar const *value;
	gunichar ch, cnum;
	gboolean substituted;
	
	if (str == NULL) {
		return NULL;
	}
	
	result = g_string_sized_new(strlen(str));

	while ((ch = g_utf8_get_char(ptr)) != '\0') {
		substituted = FALSE;
		
		if (ch == '$') {
			tmp = subst = g_utf8_next_char(ptr);

			while ((cnum = g_utf8_get_char(subst)) && (cnum == '_' || 
					g_unichar_isalpha(cnum))) {
				subst = g_utf8_next_char(subst);
			}
			
			prop = g_strndup(tmp, subst - tmp);
			
			if (strcmp(prop, "ID") == 0 || strcmp(prop, "id") == 0) {
				tmp = g_strdup_printf("#%d", info->id);
				result = g_string_append(result, tmp);
				g_free(tmp);
				
				substituted = TRUE;
			} else {
				value = gm_playerdb_player_info_get_prop(info, prop);
				
				if (value) {				
					for (; *value != '\0'; value = g_utf8_next_char(value)) {
						ch = g_utf8_get_char(value);
						
						if (ch == '_') {
							result = g_string_append_c(result, '_');
						}
						
						result = g_string_append_unichar(result, ch); 
					}
					
					substituted = TRUE;
				}
			}
		}
		
		if (!substituted) {
			result = g_string_append_unichar(result, ch);
		}

		if (*ptr == '\0') {
			break;
		}

			
		if (!substituted) {
			ptr = g_utf8_next_char(ptr);
		} else { 
			ptr = subst;
		}	
	}
	
	ptr = result->str;
	g_string_free(result, FALSE);
	
	return ptr;
}

GmKeyValuePair *
gm_mcp_icecrew_userlist_get_menu_item(GmMcpIcecrewUserlist *package, 
		GmKeyValuePair *menuitem, GmPlayerdbPlayerInfo *info) {
	GmKeyValuePair *result = g_new0(GmKeyValuePair, 1);
	
	if (!menuitem) {
		return result;
	}
	
	result->key = gm_mcp_icecrew_userlist_menu_item_subst(package, 
			menuitem->key, info);
	result->value = gm_mcp_icecrew_userlist_menu_item_subst(package, 
			menuitem->value, info);
	
	return result;
}

/* Interface */
GList *
gm_mcp_icecrew_userlist_get_menu(GmIUserlist *userlist, gint id) {
	GmMcpIcecrewUserlist *object = GM_MCP_ICECREW_USERLIST(userlist);
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(userlist), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	GList *item, *result = NULL;
	
	for (item = object->priv->menu; item; item = item->next) {
		result = g_list_append(result, gm_mcp_icecrew_userlist_get_menu_item(
				object, (GmKeyValuePair *)(item->data), info));
	}
	
	return result;	
}

gchar const *
gm_mcp_icecrew_userlist_get_name(GmIUserlist *userlist, gint id) {
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(userlist), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	
	return gm_playerdb_player_info_get_prop(info, 
			GM_MCP_ICECREW_USERLIST(userlist)->priv->property_names[P_NAME]);
}


gchar const *
gm_mcp_icecrew_userlist_get_icon(GmIUserlist *userlist, gint id,
		gboolean use_state) {
	GmMcpIcecrewUserlist *package = GM_MCP_ICECREW_USERLIST(userlist);
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(package), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	
	return gm_mcp_icecrew_userlist_icon_path(package, info, use_state);
}

gint
gm_mcp_icecrew_userlist_get_rank_priority(GmIUserlist *userlist, gint id) {
	GmMcpIcecrewUserlist *package = GM_MCP_ICECREW_USERLIST(userlist);
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(userlist), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	gchar const *rank = gm_playerdb_player_info_get_prop(info, 
			package->priv->property_names[P_RANK]);

	return g_list_length(package->priv->rank_icons) - 
				gm_mcp_icecrew_userlist_find_path(package->priv->rank_icons, 
				rank, NULL) - 1;
}

gint
gm_mcp_icecrew_userlist_get_state_priority(GmIUserlist *userlist, gint id) {
	GmMcpIcecrewUserlist *package = GM_MCP_ICECREW_USERLIST(userlist);
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(userlist), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	gchar const *state = gm_playerdb_player_info_get_prop(info, 
			package->priv->property_names[P_STATE]);

    return g_list_length(package->priv->state_icons) - 
    			gm_mcp_icecrew_userlist_find_path(package->priv->state_icons, 
				state, NULL) + 1;
}

gchar *
gm_mcp_icecrew_userlist_get_status(GmIUserlist *userlist, gint id) {
	GmMcpIcecrewPlayerdb *playerdb = GM_MCP_ICECREW_PLAYERDB(
			gm_mcp_session_find_package(GM_MCP_PACKAGE_SESSION(userlist), 
			"dns-nl-icecrew-playerdb"));
	GmPlayerdbPlayerInfo *info = gm_mcp_icecrew_playerdb_find(playerdb, id);
	GmMcpIcecrewUserlist *package = GM_MCP_ICECREW_USERLIST(userlist);

	gchar const *state = gm_playerdb_player_info_get_prop(info, 
			package->priv->property_names[P_STATE]);
	gchar const *msg = gm_playerdb_player_info_get_prop(info, 
			package->priv->property_names[P_STATE_MSG]);
	gchar const *caption;
	
	if (state == NULL || strcmp(state, "avail") == 0) {
		return strdup(_("Available"));
	}
	
	if (strstr(state, "away") != NULL) {
		caption = _("Away");
	} else if (strstr(state, "busy") != NULL) {
		caption = _("Busy");
	} else if (strstr(state, "idle") != NULL) {
		caption = _("Idle");
	} else {
		return NULL;
	}
	
	if (msg == NULL || *msg == '\0') {
		return strdup(caption);
	} else {
		return g_strconcat(caption, ": ", msg, NULL);
	}
}

void 
gm_mcp_icecrew_userlist_handle_menu(GmMcpIcecrewUserlist *package,
		GList *values) {
	GmKeyValuePair *pair;
	GList *item, *data;

	gm_mcp_icecrew_userlist_free_menu(package);

	for (item = values; item; item = item->next) {
		data = (GList *)(item->data);
		pair = g_new0(GmKeyValuePair, 1);
		
		if (g_list_length(data) == 2) {
			pair->key = g_strdup(data->data);
			pair->value = g_strdup(data->next->data);
		}
		
		package->priv->menu = g_list_append(package->priv->menu,
				pair);
	}
}

void
gm_mcp_icecrew_userlist_handle_ranks_states(GmMcpIcecrewUserlist *package, 
		GList *values, gboolean rank) {
	GList *tmp, *data, *new_list = NULL;
	gchar *name, **alternatives, *path, **ptr;
	gchar const *cpath;
	
	/* Abort a previous fetch if needed */
	if (rank && package->priv->rank_fetch) {
		package->priv->rank_fetch = NULL;
		gm_mcp_icecrew_userlist_free_list(package->priv->rank_alternatives);
		package->priv->rank_alternatives = NULL;
		package->priv->rank_fetch->aborted = TRUE;
	} else if (!rank && package->priv->state_fetch) {
		package->priv->state_fetch = NULL;
		gm_mcp_icecrew_userlist_free_list(package->priv->state_alternatives);
		package->priv->state_alternatives = NULL;
		package->priv->state_fetch->aborted = TRUE;
	}

	for (tmp = values; tmp; tmp = tmp->next) {
		data = (GList *)(tmp->data);
    
		if (data == NULL ) {
			continue;
		}
    
		name = (gchar *)(data->data);
		gm_mcp_icecrew_userlist_find_path(new_list, name, &cpath);
    
		if (cpath) {
			gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.HandleRanksStates: "
					"duplicate %s, ignored!", name);
			continue;
		}
    
		if (data->next == NULL) {
			if (rank) {
				cpath = gm_mcp_icecrew_userlist_find_name(name, default_ranks);
			} else {
				cpath = gm_mcp_icecrew_userlist_find_name(name, default_states);
			}
      
			if (cpath) {
				new_list = g_list_append(new_list, 
						gm_mcp_icecrew_userlist_url_map_new(name, cpath));
			} else {
				gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist."
						"HandleRanksStates: couldn't find %s, ignored!", name);
			}
		} else {
			alternatives = g_strsplit(g_list_nth_data(data, 1), ";", 0);
      		ptr = alternatives;
      		
			while (*ptr) {				
				/* Initialize to first alternative */
				if (ptr == alternatives) {
					path = gm_mcp_icecrew_userlist_remote_to_local_path(
							*ptr, rank ? package->priv->rank_dir : 
							package->priv->state_dir);
					new_list = g_list_append(new_list, 
							gm_mcp_icecrew_userlist_url_map_new(name, path));
					g_free(path);
				}
				
				gm_debug_msg(DEBUG_MCP, "GmMcpIcecrewUserlist.HandleRanksStates: "
						"adding alternative: %s => %s", name, *ptr);
				
				if (rank) {
					package->priv->rank_alternatives = g_list_append(
							package->priv->rank_alternatives, 
							gm_mcp_icecrew_userlist_url_map_new(name, 
							*ptr));
				} else {
					package->priv->state_alternatives = g_list_append(
							package->priv->state_alternatives, 
							gm_mcp_icecrew_userlist_url_map_new(name, 
							*ptr));
				}
				
				++ptr;
			}

			g_strfreev(alternatives);
		}
	}
		
	if (rank) {
		gm_mcp_icecrew_userlist_free_list(package->priv->rank_icons);
		package->priv->rank_icons = new_list;
	} else {
		gm_mcp_icecrew_userlist_free_list(package->priv->state_icons);
		package->priv->state_icons = new_list;
	}
  
	if (rank && package->priv->rank_alternatives) {
		gm_mcp_icecrew_userlist_fetch_next_alternatives(package, rank);
	} else if (!rank && package->priv->state_alternatives) {
		gm_mcp_icecrew_userlist_fetch_next_alternatives(package, rank);
	}
}

gboolean
gm_mcp_icecrew_userlist_handle_multi(GmMcpPackage *package,
		gchar const *data_tag, gchar const *key, gchar const *value,
		GList *all_values) {
	GmMcpIcecrewUserlist *userlist = GM_MCP_ICECREW_USERLIST(package);
	GList *tmp, *l, *vals = NULL;
	GmKeyValuePair *m;
	
	if (key) {
		if (!gm_mcp_icecrew_userlist_find_key(userlist, data_tag)) {
			m = g_new(GmKeyValuePair, 1);
			m->key = g_strdup(key);
			m->value = g_strdup(data_tag);
      
			userlist->priv->key_datatags = g_list_append(
					userlist->priv->key_datatags, m);
		}
	} else if ((key = gm_mcp_icecrew_userlist_find_key(userlist, data_tag)) 
			!= NULL) {
		for (tmp = all_values; tmp; tmp = tmp->next) {
			l = gm_mcp_parse_list((gchar *)(tmp->data));
			vals = g_list_append(vals, l);
		}
		
		if (strcmp(key, "rank") == 0) {
			gm_mcp_icecrew_userlist_handle_ranks_states(userlist, vals, TRUE);
		} else if (strcmp(key, "state") == 0) {
			gm_mcp_icecrew_userlist_handle_ranks_states(userlist, vals, FALSE);
		} else if (strcmp(key, "menu") == 0) {
			gm_mcp_icecrew_userlist_handle_menu(userlist, vals);
		}
    
		gm_mcp_icecrew_userlist_remove_datatag(userlist, data_tag);
	} else {
		gm_debug_msg(DEBUG_ALWAYS, "Datatag %s not found", data_tag);
	}
  
	for (tmp = vals; tmp; tmp = tmp->next) {
		gm_mcp_list_free((GList *)(tmp->data));
	}
  
	g_list_free(vals);
	return FALSE;
}

void
gm_mcp_icecrew_userlist_set_session(GmMcpPackage *package, GObject *session) {
	GmMcpPackageClass *parent_class = g_type_class_peek_parent(
			GM_MCP_ICECREW_USERLIST_GET_CLASS(package));
	gchar *icons_dir;
	GmMcpPackage *playerdb;
	GmMcpIcecrewUserlist *userlist = GM_MCP_ICECREW_USERLIST(package);
	GmMcpSession *ses;
	gdouble version;

	parent_class->set_session(package, session);
	ses = GM_MCP_SESSION(session);
	
	playerdb = gm_mcp_session_find_package(ses, "dns-nl-icecrew-playerdb");
	
	g_return_if_fail(playerdb != NULL);

	version = gm_mcp_package_get_version(GM_MCP_PACKAGE(playerdb));
	
	if (version == 1.1) {
		userlist->priv->property_names =
				gm_mcp_icecrew_userlist_property_names1;
	} else {
		userlist->priv->property_names = 
				gm_mcp_icecrew_userlist_property_names0;
	}
	
	icons_dir = g_strconcat(gm_world_path(GM_MCP_SESSION_WORLD(ses)),
			G_DIR_SEPARATOR_S, "icons", NULL);
	userlist->priv->rank_dir = g_strconcat(icons_dir, G_DIR_SEPARATOR_S, 
			"ranks", NULL);
	userlist->priv->state_dir = g_strconcat(icons_dir, G_DIR_SEPARATOR_S, 
			"states", NULL);
  
	if (!g_file_test(icons_dir, G_FILE_TEST_EXISTS))
		mkdir(icons_dir, 0755);
	if (!g_file_test(userlist->priv->rank_dir, G_FILE_TEST_EXISTS))
		mkdir(userlist->priv->rank_dir, 0755);
	if (!g_file_test(userlist->priv->state_dir, G_FILE_TEST_EXISTS))
		mkdir(userlist->priv->state_dir, 0755);

	g_free(icons_dir);

	g_signal_connect(playerdb, "add", 
			G_CALLBACK(on_gm_mcp_icecrew_userlist_add), package);
	g_signal_connect(playerdb, "set",
			G_CALLBACK(on_gm_mcp_icecrew_userlist_set), package);
	g_signal_connect(playerdb, "delete", 
			G_CALLBACK(on_gm_mcp_icecrew_userlist_delete), package);
}

void
gm_mcp_icecrew_userlist_create_view(GmMcpPackage *package, GObject *parent) {
	gm_mcp_userlist_view_new(package, parent);
}

void
gm_mcp_icecrew_userlist_process_state_changed(GmMcpIcecrewUserlist *userlist, 
		GmPlayerdbPlayerInfo *ppi, gchar const *value, gchar const *old) {
	gboolean was_away, was_idle;
	gboolean is_away, is_idle;
	gchar const *name = gm_playerdb_player_info_get_prop(ppi, 
			userlist->priv->property_names[P_NAME]);

	was_away = (strstr(old, "away") != NULL || strstr(old, "busy") != NULL);
	was_idle = (strstr(old, "idle") != NULL);
	
	is_away = (strstr(value, "away") != NULL || strstr(value, "busy") != NULL);
	is_idle = (strstr(value, "idle") != NULL);
	
	if (was_away && !is_away) {
		gm_mcp_icecrew_userlist_process_triggers(userlist, name, 
				TCT_USER_AWAY_OFF);
	} else if (!was_away && is_away) {
		gm_mcp_icecrew_userlist_process_triggers(userlist, name, 
				TCT_USER_AWAY);
	}
	
	if (was_idle && !is_idle) {
		gm_mcp_icecrew_userlist_process_triggers(userlist, name, 
				TCT_USER_IDLE_OFF);
	} else if (!was_idle && is_idle) {
		gm_mcp_icecrew_userlist_process_triggers(userlist, name, 
				TCT_USER_IDLE);
	}
}

/* Callbacks */
void
on_gm_mcp_icecrew_userlist_add(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, GmMcpIcecrewUserlist *userlist) {
	gchar const *name = gm_playerdb_player_info_get_prop(ppi, 
			userlist->priv->property_names[P_NAME]);
	
	g_signal_emit_by_name(userlist, "player-added", ppi->id);
	gm_mcp_icecrew_userlist_process_triggers(userlist, name, TCT_USER_ONLINE);
}

void
on_gm_mcp_icecrew_userlist_set(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, gchar const *key, gchar const *value,
		gchar const *old, GmMcpIcecrewUserlist *userlist) {
	if (strcmp(key, userlist->priv->property_names[P_STATE]) == 0) {
		g_signal_emit_by_name(userlist, "state-changed", ppi->id);
				
		gm_mcp_icecrew_userlist_process_state_changed(userlist, ppi, value, 
				old);
	} else if (strcmp(key, userlist->priv->property_names[P_RANK]) == 0) {
		g_signal_emit_by_name(userlist, "rank-changed", ppi->id);
	} else if (strcmp(key, userlist->priv->property_names[P_NAME]) == 0) {
		g_signal_emit_by_name(userlist, "name-changed", ppi->id);
	} else if (strcmp(key, userlist->priv->property_names[P_STATE_MSG]) == 0) {
		g_signal_emit_by_name(userlist, "state-changed", ppi->id);
	}
}

void
on_gm_mcp_icecrew_userlist_delete(GmMcpIcecrewPlayerdb *playerdb,
		GmPlayerdbPlayerInfo *ppi, GmMcpIcecrewUserlist *userlist) {
	gchar const *name = gm_playerdb_player_info_get_prop(ppi, 
			userlist->priv->property_names[P_NAME]);

	g_signal_emit_by_name(userlist, "player-removed", ppi->id);
	gm_mcp_icecrew_userlist_process_triggers(userlist, name, TCT_USER_OFFLINE);
}