/* $Id: phone.c,v 1.110 2010/05/14 16:23:50 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* 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, version 3 of the License.
 *
 * 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, see <http://www.gnu.org/licenses/>. */



#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <libintl.h>
#include <gtk/gtk.h>
#include <System.h>
#include "Phone.h"
#include "gsm.h"
#include "callbacks.h"
#include "phone.h"
#include "../config.h"
#define _(string) gettext(string)

#ifndef PREFIX
# define PREFIX		"/usr/local"
#endif
#ifndef LIBDIR
# define LIBDIR		PREFIX "/lib"
#endif


/* Phone */
/* private */
/* types */
typedef enum _PhoneMessageColumn
{
	PHONE_MESSAGE_COLUMN_INDEX = 0,
	PHONE_MESSAGE_COLUMN_NUMBER,
	PHONE_MESSAGE_COLUMN_NUMBER_DISPLAY,
	PHONE_MESSAGE_COLUMN_DATE,
	PHONE_MESSAGE_COLUMN_DATE_DISPLAY,
	PHONE_MESSAGE_COLUMN_CONTENT
} PhoneMessageColumn;
#define PHONE_MESSAGE_COLUMN_LAST	PHONE_MESSAGE_COLUMN_CONTENT
#define PHONE_MESSAGE_COLUMN_COUNT	(PHONE_MESSAGE_COLUMN_LAST + 1)

typedef struct _PhonePluginEntry
{
	Plugin * p;
	PhonePlugin * pp;
} PhonePluginEntry;

typedef enum _PhoneSignal
{
	PHONE_SIGNAL_UNKNOWN,
	PHONE_SIGNAL_00,
	PHONE_SIGNAL_25,
	PHONE_SIGNAL_50,
	PHONE_SIGNAL_75,
	PHONE_SIGNAL_100
} PhoneSignal;
#define PHONE_SIGNAL_LAST	PHONE_SIGNAL_100
#define PHONE_SIGNAL_COUNT	(PHONE_SIGNAL_LAST + 1)

typedef enum _PhoneTrack
{
	PHONE_TRACK_CODE_ENTERED = 0,
	PHONE_TRACK_CONTACT_LIST,
	PHONE_TRACK_FUNCTIONAL,
	PHONE_TRACK_MESSAGE_LIST,
	PHONE_TRACK_MESSAGE_SENT,
	PHONE_TRACK_REGISTRATION,
	PHONE_TRACK_SIGNAL_LEVEL
} PhoneTrack;
#define PHONE_TRACK_LAST	PHONE_TRACK_SIGNAL_LEVEL
#define PHONE_TRACK_COUNT	(PHONE_TRACK_LAST + 1)

struct _Phone
{
	GSM * gsm;
	guint source;
	Config * config;

	/* status */
	PhoneSignal signal;

	/* tracking */
	guint tr_source;
	gboolean tracks[PHONE_TRACK_COUNT];

	/* plugins */
	PhonePluginEntry * plugins;
	size_t plugins_cnt;

	/* widgets */
	PangoFontDescription * bold;

	/* call */
	GtkWidget * ca_window;
	GtkWidget * ca_name;
	GtkWidget * ca_number;
	GtkWidget * ca_answer;
	GtkWidget * ca_hangup;
	GtkWidget * ca_image;
	GtkWidget * ca_reject;
	GtkWidget * ca_close;
	GtkWidget * ca_volume;
	GtkWidget * ca_speaker;
	GtkWidget * ca_mute;

	/* code */
	PhoneCode en_code;
	GtkWidget * en_window;
	GtkWidget * en_entry;
	GtkWidget * en_progress;

	/* contacts */
	GtkWidget * co_window;
	GtkListStore * co_store;
	GtkWidget * co_view;

#ifdef DEBUG
	/* debugging */
	GtkWidget * de_window;
	GtkWidget * de_gsm;
	GtkWidget * de_queue;
#endif

	/* dialer */
	GtkWidget * di_window;
	GtkWidget * di_entry;

	/* messages */
	GtkWidget * me_window;
	GtkListStore * me_store;
	GtkWidget * me_view;

	/* read */
	GtkWidget * re_window;
	GtkWidget * re_name;
	GtkWidget * re_number;
	GtkWidget * re_date;
	GtkWidget * re_view;

	/* write */
	GtkWidget * wr_window;
	GtkWidget * wr_entry;
	GtkWidget * wr_count;
	GtkWidget * wr_view;
	GtkWidget * wr_progress;

	/* systray */
	GtkWidget * sy_icon;		/* XXX really is a GtkPlug */
	GtkWidget * sy_image;
	GtkWidget * sy_operator;
};


/* constants */
#define PHONE_CONFIG_FILE	".phone"


/* prototypes */
static GtkWidget * _phone_create_button(char const * icon, char const * label);
static GtkWidget * _phone_create_dialpad(Phone * phone,
		char const * button1_image, char const * button1_label,
		GCallback button1_callback,
		char const * button2_image, char const * button2_label,
		GCallback button2_callback,
		GCallback button_callback);
static GtkWidget * _phone_create_progress(GtkWidget * parent,
		char const * text);

static void _phone_error(GtkWidget * window, char const * message);

static void _phone_event(Phone * phone, PhoneEvent event, ...);

static void _phone_fetch_contacts(Phone * phone, unsigned int start,
		unsigned int end);
static void _phone_fetch_messages(Phone * phone, unsigned int start,
		unsigned int end);

static void _phone_info(Phone * phone, GtkWidget * window, char const * message,
		GCallback callback);

static GtkWidget * _phone_progress_delete(GtkWidget * widget);
static void _phone_progress_pulse(GtkWidget * widget);

static void _phone_set_operator(Phone * phone, char const * operator);
static void _phone_set_signal_level(Phone * phone, gdouble level);
static void _phone_set_status(Phone * phone, GSMStatus status);

static void _phone_track(Phone * phone, PhoneTrack what, gboolean track);

/* callbacks */
static int _phone_gsm_event(GSMEvent * event, gpointer data);
static gboolean _phone_timeout_track(gpointer data);


/* public */
#ifdef DEBUG
/* prototypes */
void phone_show_debug(Phone * phone, gboolean show);


#endif
/* functions */
/* phone_new */
static void _new_config(Phone * phone);
static gboolean _new_idle(gpointer data);
static void _idle_load_plugins(Phone * phone, char const * plugins);
static gboolean _on_plug_delete_event(gpointer data);
static void _on_plug_embedded(gpointer data);

Phone * phone_new(char const * device, unsigned int baudrate, int retry,
		int hwflow)
{
	Phone * phone;
	GtkWidget * hbox;
	GdkEvent event;
	GdkEventClient * client = &event.client;
	char const * p;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(\"%s\", %u)\n", __func__, (device != NULL)
			? device : "", baudrate);
#endif
	if((phone = malloc(sizeof(*phone))) == NULL)
		return NULL;
	_new_config(phone);
	if(phone->config != NULL)
	{
		if(device == NULL)
			device = config_get(phone->config, NULL, "device");
		p = config_get(phone->config, NULL, "baudrate");
		if(baudrate == 0 && p != NULL)
			baudrate = strtoul(p, NULL, 10);
		p = config_get(phone->config, NULL, "hwflow");
		if(hwflow < 0 && p != NULL)
			hwflow = strtoul(p, NULL, 10);
		p = config_get(phone->config, NULL, "retry");
		if(retry < 0 && p != NULL)
			retry = strtoul(p, NULL, 10);
	}
	phone->gsm = gsm_new(device, baudrate, hwflow);
	if(retry >= 0)
		gsm_set_retry(phone->gsm, retry);
	phone->source = 0;
	phone->signal = -1;
	phone->tr_source = 0;
	memset(&phone->tracks, 0, sizeof(phone->tracks));
	phone->plugins = NULL;
	phone->plugins_cnt = 0;
	/* widgets */
	phone->bold = pango_font_description_new();
	pango_font_description_set_weight(phone->bold, PANGO_WEIGHT_BOLD);
	phone->ca_window = NULL;
	phone->en_window = NULL;
	phone->en_progress = NULL;
	phone->co_window = NULL;
	phone->co_store = gtk_list_store_new(3, G_TYPE_UINT, G_TYPE_STRING,
			G_TYPE_STRING);
#ifdef DEBUG
	phone->de_window = NULL;
#endif
	phone->di_window = NULL;
	phone->me_window = NULL;
	phone->me_store = gtk_list_store_new(PHONE_MESSAGE_COLUMN_COUNT,
			G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT,
			G_TYPE_STRING, G_TYPE_STRING);
	phone->re_window = NULL;
	phone->wr_window = NULL;
	phone->wr_progress = NULL;
	/* signal level */
	phone->sy_icon = gtk_plug_new(0);
	g_signal_connect_swapped(G_OBJECT(phone->sy_icon), "delete-event",
			G_CALLBACK(_on_plug_delete_event), phone);
	g_signal_connect_swapped(G_OBJECT(phone->sy_icon), "embedded",
			G_CALLBACK(_on_plug_embedded), phone);
	memset(&event, 0, sizeof(event));
	client->type = GDK_CLIENT_EVENT;
	client->window = NULL;
	client->send_event = TRUE;
	client->message_type = gdk_atom_intern(PHONE_EMBED_MESSAGE, FALSE);
	client->data_format = 32;
	client->data.l[0] = gtk_plug_get_id(GTK_PLUG(phone->sy_icon));
	gdk_event_send_clientmessage_toall(&event);
	hbox = gtk_hbox_new(FALSE, 2);
	phone->sy_image = gtk_image_new();
	gtk_box_pack_start(GTK_BOX(hbox), phone->sy_image, FALSE, TRUE, 0);
	phone->sy_operator = gtk_label_new(NULL);
	gtk_widget_modify_font(phone->sy_operator, phone->bold);
	gtk_box_pack_start(GTK_BOX(hbox), phone->sy_operator, TRUE, TRUE, 0);
	_phone_set_signal_level(phone, 0.0 / 0.0);
	gtk_container_add(GTK_CONTAINER(phone->sy_icon), hbox);
	gtk_widget_show_all(phone->sy_icon);
	gtk_widget_map(phone->sy_icon);
	/* check errors */
	if(phone->gsm == NULL)
	{
		phone_delete(phone);
		return NULL;
	}
	phone->source = g_idle_add(_new_idle, phone);
	gsm_set_callback(phone->gsm, _phone_gsm_event, phone);
	_phone_set_operator(phone, _("Initializing..."));
	return phone;
}

static void _new_config(Phone * phone)
{
	char const * homedir;
	size_t len;
	char * filename;

	if((phone->config = config_new()) == NULL)
		return;
	if((homedir = getenv("HOME")) == NULL)
		homedir = g_get_home_dir();
	len = strlen(homedir) + 1 + sizeof(PHONE_CONFIG_FILE);
	if((filename = malloc(len)) == NULL)
		return;
	snprintf(filename, len, "%s/%s", homedir, PHONE_CONFIG_FILE);
	config_load(phone->config, filename); /* we can ignore errors */
	free(filename);
}

static gboolean _new_idle(gpointer data)
{
	Phone * phone = data;
	char const * plugins;

	phone_show_call(phone, FALSE);
	phone_show_contacts(phone, FALSE);
#ifdef DEBUG
	phone_show_debug(phone, TRUE);
#endif
	phone_show_dialer(phone, FALSE);
	phone_show_messages(phone, FALSE);
	phone_show_read(phone, FALSE);
	phone_show_write(phone, FALSE);
	if((plugins = config_get(phone->config, NULL, "plugins")) != NULL)
		_idle_load_plugins(phone, plugins);
	phone->source = 0;
	return FALSE;
}

static void _idle_load_plugins(Phone * phone, char const * plugins)
{
	char * p;
	char * q;
	size_t i;

	if((p = strdup(plugins)) == NULL)
		return;
	for(q = p, i = 0;;)
	{
		if(q[i] == '\0')
		{
			if(phone_load(phone, q) != 0)
				error_print("phone"); /* we can ignore errors */
			break;
		}
		if(q[i++] != ',')
			continue;
		q[i - 1] = '\0';
		if(phone_load(phone, q) != 0)
			error_print("phone"); /* we can ignore errors */
		q += i;
		i = 0;
	}
	free(p);
}

static gboolean _on_plug_delete_event(gpointer data)
{
	/* FIXME start sending messages around */
	return TRUE;
}

static void _on_plug_embedded(gpointer data)
{
	/* FIXME stop sending messages around */
}


/* phone_delete */
void phone_delete(Phone * phone)
{
	size_t i;

	for(i = 0; i < phone->plugins_cnt; i++)
	{
		if(phone->plugins[i].pp->destroy != NULL)
			phone->plugins[i].pp->destroy();
		plugin_delete(phone->plugins[i].p);
	}
	free(phone->plugins);
	if(phone->config != NULL)
		config_delete(phone->config);
	if(phone->source != 0)
		g_source_remove(phone->source);
	if(phone->tr_source != 0)
		g_source_remove(phone->tr_source);
	pango_font_description_free(phone->bold);
	if(phone->gsm != NULL)
		gsm_delete(phone->gsm);
	free(phone);
}


/* useful */
/* phone_error */
static int _error_text(char const * message, int ret);

int phone_error(Phone * phone, char const * message, int ret)
{
	if(phone == NULL)
		return _error_text(message, ret);
	_phone_error(NULL, message);
	return ret;
}

static int _error_text(char const * message, int ret)
{
	fprintf(stderr, "phone: %s\n", message);
	return ret;
}


/* calls */
void phone_call_answer(Phone * phone)
{
	gsm_call_answer(phone->gsm);
}


/* phone_call_hangup */
void phone_call_hangup(Phone * phone)
{
	/* XXX seems to work better than hangup */
	gsm_call_reject(phone->gsm);
}


/* phone_call_mute */
void phone_call_mute(Phone * phone, gboolean mute)
{
	gsm_set_mute(phone->gsm, mute ? 1 : 0);
}


/* phone_call_reject */
void phone_call_reject(Phone * phone)
{
	gsm_call_reject(phone->gsm);
}


/* phone_code_append */
int phone_code_append(Phone * phone, char character)
{
	char const * text;
	size_t len;
	char * p;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(%c)\n", __func__, character);
#endif
	if((character < '0' || character > '9') && character != '*'
			&& character != '+' && character != '#')
		return 1; /* ignore the error */
	text = gtk_entry_get_text(GTK_ENTRY(phone->en_entry));
	len = strlen(text);
	if((p = malloc(len + 2)) == NULL)
		return phone_error(phone, strerror(errno), 1);
	snprintf(p, len + 2, "%s%c", text, character);
	gtk_entry_set_text(GTK_ENTRY(phone->en_entry), p);
	free(p);
	return 0;
}


/* phone_code_enter */
void phone_code_enter(Phone * phone)
{
	char const * p;

	if(phone->en_window == NULL)
		return;
	switch(phone->en_code)
	{
		case PHONE_CODE_SIM_PIN:
			p = gtk_entry_get_text(GTK_ENTRY(phone->en_entry));
			phone->en_progress = _phone_create_progress(
					phone->en_window,
					_("Checking SIM PIN code..."));
			_phone_track(phone, PHONE_TRACK_CODE_ENTERED, TRUE);
			gsm_enter_sim_pin(phone->gsm, p);
			break;
	}
}


/* code */
/* phone_code_clear */
void phone_code_clear(Phone * phone)
{
	_phone_track(phone, PHONE_TRACK_CODE_ENTERED, FALSE);
	phone->en_progress = _phone_progress_delete(phone->en_progress);
	if(phone->en_window != NULL)
		gtk_entry_set_text(GTK_ENTRY(phone->en_entry), "");
}


/* contacts */
/* phone_contacts_add */
void phone_contacts_add(Phone * phone, unsigned int index, char const * name,
		char const * number)
{
	GtkTreeIter iter;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(%u, \"%s\", \"%s\")\n", __func__, index,
			name, number);
#endif
	gtk_list_store_append(phone->co_store, &iter);
	gtk_list_store_set(phone->co_store, &iter, 0, index, 1, name, 2, number,
			-1);
}


/* phone_contacts_call_selected */
void phone_contacts_call_selected(Phone * phone)
{
	GtkTreeSelection * treesel;
	GtkTreeIter iter;
	unsigned int index;

	if((treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(
						phone->co_view))) == NULL)
		return;
	if(gtk_tree_selection_get_selected(treesel, NULL, &iter) != TRUE)
		return;
	gtk_tree_model_get(GTK_TREE_MODEL(phone->co_store), &iter, 0, &index,
			-1);
	gsm_call_contact(phone->gsm, GSM_CALL_TYPE_VOICE, index);
}


/* phone_contacts_write_selected */
void phone_contacts_write_selected(Phone * phone)
{
	GtkTreeSelection * treesel;
	GtkTreeIter iter;
	gchar * number = NULL;

	if((treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(
						phone->co_view))) == NULL)
		return;
	if(gtk_tree_selection_get_selected(treesel, NULL, &iter) == TRUE)
		gtk_tree_model_get(GTK_TREE_MODEL(phone->co_store), &iter,
				2, &number, -1);
	phone_messages_write(phone, number, "");
	g_free(number);
}


/* dialer */
/* phone_dialer_append */
int phone_dialer_append(Phone * phone, char character)
{
	char const * text;
	size_t len;
	char * p;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(%c)\n", __func__, character);
#endif
	if(phone->di_window == NULL)
		return 1;
	if((character < '0' || character > '9') && character != '*'
			&& character != '+' && character != '#')
		return 1; /* ignore the error */
	/* FIXME if in a call send DTMF instead */
	text = gtk_entry_get_text(GTK_ENTRY(phone->di_entry));
	len = strlen(text);
	if((p = malloc(len + 2)) == NULL)
		return phone_error(phone, strerror(errno), 1);
	snprintf(p, len + 2, "%s%c", text, character);
	gtk_entry_set_text(GTK_ENTRY(phone->di_entry), p);
	free(p);
	return 0;
}


/* phone_dialer_call */
void phone_dialer_call(Phone * phone, char const * number)
{
	/* FIXME check if it's either a name or number */
	if(number == NULL)
		number = gtk_entry_get_text(GTK_ENTRY(phone->di_entry));
	if(number[0] == '\0')
		number = NULL; /* call the last number dialled */
	gsm_call(phone->gsm, GSM_CALL_TYPE_VOICE, number);
	phone_show_call(phone, TRUE, PHONE_CALL_OUTGOING, " ", number);
}


/* phone_dialer_hangup */
void phone_dialer_hangup(Phone * phone)
{
	gsm_call_hangup(phone->gsm);
	if(phone->di_window != NULL)
		gtk_entry_set_text(GTK_ENTRY(phone->di_entry), "");
}


/* plugins */
int phone_load(Phone * phone, char const * plugin)
{
	Plugin * p;
	PhonePlugin * pp;
	PhonePluginEntry * q;

	if((p = plugin_new(LIBDIR, PACKAGE, "plugins", plugin)) == NULL)
		return -1;
	if((pp = plugin_lookup(p, "plugin")) == NULL
			|| (pp->init != NULL && pp->init() != 0)
			|| (q = realloc(phone->plugins, sizeof(*q)
					* (phone->plugins_cnt + 1))) == NULL)
	{
		plugin_delete(p);
		return -1;
	}
	phone->plugins = q;
	phone->plugins[phone->plugins_cnt].p = p;
	phone->plugins[phone->plugins_cnt++].pp = pp;
	return 0;
}


/* messages */
/* phone_messages_add */
void phone_messages_add(Phone * phone, unsigned int index, char const * number,
		time_t date, char const * content)
{
	GtkTreeIter iter;
	char nd[32];
	char dd[32];
	struct tm t;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(%u, \"%s\")\n", __func__, index, content);
#endif
	if(number == NULL)
		number = "";
	if(content == NULL)
		content = "";
	snprintf(nd, sizeof(nd), "%s\n%.12s%s", number, content,
			(strlen(content) > 12) ? "..." : "");
	gmtime_r(&date, &t);
	strftime(dd, sizeof(dd), "%d/%m/%Y %H:%M:%S", &t);
	gtk_list_store_append(phone->me_store, &iter);
	gtk_list_store_set(phone->me_store, &iter,
			PHONE_MESSAGE_COLUMN_INDEX, index,
			PHONE_MESSAGE_COLUMN_NUMBER, number,
			PHONE_MESSAGE_COLUMN_NUMBER_DISPLAY, nd,
			PHONE_MESSAGE_COLUMN_DATE, date,
			PHONE_MESSAGE_COLUMN_DATE_DISPLAY, dd,
			PHONE_MESSAGE_COLUMN_CONTENT, content, -1);
}


/* phone_messages_read_selected */
void phone_messages_read_selected(Phone * phone)
{
	GtkTreeSelection * treesel;
	GtkTreeIter iter;
	unsigned int index;
	char * number;
	unsigned int date;
	char * content;

	if((treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(
						phone->me_view))) == NULL)
		return;
	if(gtk_tree_selection_get_selected(treesel, NULL, &iter) != TRUE)
		return;
	gtk_tree_model_get(GTK_TREE_MODEL(phone->me_store), &iter,
			PHONE_MESSAGE_COLUMN_INDEX, &index,
			PHONE_MESSAGE_COLUMN_NUMBER, &number,
			PHONE_MESSAGE_COLUMN_DATE, &date,
			PHONE_MESSAGE_COLUMN_CONTENT, &content,
			-1);
	phone_show_read(phone, TRUE, index, NULL, number, date, content);
	g_free(number);
	g_free(content);
}


/* phone_messages_write */
void phone_messages_write(Phone * phone, char const * number, char const * text)
{
	GtkTextBuffer * tbuf;

	phone_show_write(phone, TRUE);
	if(number != NULL)
		gtk_entry_set_text(GTK_ENTRY(phone->wr_entry), number);
	if(text != NULL)
	{
		tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->wr_view));
		gtk_text_buffer_set_text(tbuf, text, strlen(text));
	}
}


/* show */
/* phone_show_call */
void phone_show_call(Phone * phone, gboolean show, ...)
{
	va_list ap;
	PhoneCall call;
	char const * name = NULL;
	char const * number = NULL;
	GtkWidget * vbox;
	GtkWidget * hbox;

	if(show == FALSE)
	{
		if(phone->ca_window != NULL)
			gtk_widget_hide(phone->ca_window);
		return;
	}
	va_start(ap, show);
	call = va_arg(ap, PhoneCall);
	if(call == PHONE_CALL_INCOMING || call == PHONE_CALL_OUTGOING)
	{
		name = va_arg(ap, char const *);
		number = va_arg(ap, char const *);
	}
	va_end(ap);
	if(phone->ca_window == NULL)
	{
		phone->ca_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_default_size(GTK_WINDOW(phone->ca_window), 200,
				300);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->ca_window),
				"call-start");
#endif
		vbox = gtk_vbox_new(FALSE, 4);
		gtk_container_set_border_width(GTK_CONTAINER(vbox), 4);
		/* party */
		phone->ca_name = gtk_label_new(NULL);
		gtk_widget_modify_font(phone->ca_name, phone->bold);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_name, FALSE, TRUE,
				0);
		phone->ca_number = gtk_label_new(NULL);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_number, FALSE, TRUE,
				0);
		/* buttons */
		/* answer */
		phone->ca_answer = _phone_create_button("call-start",
				_("Answer"));
		g_signal_connect_swapped(G_OBJECT(phone->ca_answer), "clicked",
				G_CALLBACK(on_phone_call_answer), phone);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_answer, FALSE, TRUE,
				0);
		/* hangup */
		phone->ca_hangup = _phone_create_button("call-stop",
				_("Hangup"));
		g_signal_connect_swapped(G_OBJECT(phone->ca_hangup), "clicked",
				G_CALLBACK(on_phone_call_hangup), phone);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_hangup, FALSE, TRUE,
				0);
		/* reject */
		phone->ca_reject = _phone_create_button("call-stop",
				_("Reject"));
		g_signal_connect_swapped(G_OBJECT(phone->ca_reject), "clicked",
				G_CALLBACK(on_phone_call_reject), phone);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_reject, FALSE, TRUE,
				0);
		/* close */
		phone->ca_close = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
		g_signal_connect_swapped(G_OBJECT(phone->ca_close), "clicked",
				G_CALLBACK(on_phone_call_close), phone);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_close, FALSE, TRUE,
				0);
		hbox = gtk_hbox_new(FALSE, 0);
		/* volume bar */
		phone->ca_image = gtk_image_new_from_icon_name(
				"audio-volume-muted", GTK_ICON_SIZE_BUTTON);
		gtk_box_pack_start(GTK_BOX(hbox), phone->ca_image, FALSE, TRUE,
				4);
		phone->ca_volume = gtk_hscale_new_with_range(0.0, 1.0, 0.02);
		gtk_box_pack_start(GTK_BOX(hbox), phone->ca_volume, TRUE, TRUE,
				0);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
		/* speaker mode */
		phone->ca_speaker = gtk_toggle_button_new_with_label(
				_("Loudspeaker"));
		gtk_button_set_image(GTK_BUTTON(phone->ca_speaker),
				gtk_image_new_from_icon_name("stock_volume-max",
					GTK_ICON_SIZE_BUTTON));
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_speaker, FALSE,
				TRUE, 0);
		/* mute microphone */
		phone->ca_mute = gtk_toggle_button_new_with_label(
				_("Mute microphone"));
		gtk_button_set_image(GTK_BUTTON(phone->ca_mute),
				gtk_image_new_from_icon_name(
					"audio-input-microphone",
					GTK_ICON_SIZE_BUTTON));
		g_signal_connect(G_OBJECT(phone->ca_mute), "toggled",
				G_CALLBACK(on_phone_call_mute), phone);
		gtk_box_pack_start(GTK_BOX(vbox), phone->ca_mute, FALSE,
				TRUE, 0);
		gtk_container_add(GTK_CONTAINER(phone->ca_window), vbox);
	}
	phone_show_dialer(phone, FALSE);
	if(name != NULL)
	{
		if(name[0] == '\0')
			/* XXX look it up if we have the number */
			name = _("Unknown contact");
		gtk_label_set_text(GTK_LABEL(phone->ca_name), name);
	}
	if(number != NULL)
	{
		if(number[0] == '\0')
			/* XXX look it up if we have the name */
			number = _("Unknown number");
		gtk_label_set_text(GTK_LABEL(phone->ca_number), number);
	}
	gtk_widget_show_all(phone->ca_window);
	switch(call)
	{
		case PHONE_CALL_ESTABLISHED:
			gtk_window_set_title(GTK_WINDOW(phone->ca_window),
					_("In conversation"));
			gtk_widget_hide(phone->ca_answer);
			gtk_widget_hide(phone->ca_reject);
			gtk_widget_hide(phone->ca_close);
			_phone_event(phone, PHONE_EVENT_CALL_ESTABLISHED);
			break;
		case PHONE_CALL_INCOMING:
			gtk_window_set_title(GTK_WINDOW(phone->ca_window),
					_("Incoming call"));
			gtk_widget_hide(phone->ca_hangup);
			gtk_widget_hide(phone->ca_close);
			_phone_event(phone, PHONE_EVENT_CALL_INCOMING);
			break;
		case PHONE_CALL_OUTGOING:
			gtk_window_set_title(GTK_WINDOW(phone->ca_window),
					_("Outgoing call"));
			gtk_widget_hide(phone->ca_answer);
			gtk_widget_hide(phone->ca_reject);
			gtk_widget_hide(phone->ca_close);
			_phone_event(phone, PHONE_EVENT_CALL_OUTGOING);
			break;
		case PHONE_CALL_TERMINATED:
			gtk_window_set_title(GTK_WINDOW(phone->ca_window),
					_("Call finished"));
			gtk_widget_hide(phone->ca_answer);
			gtk_widget_hide(phone->ca_hangup);
			gtk_widget_hide(phone->ca_reject);
			_phone_event(phone, PHONE_EVENT_CALL_TERMINATED);
			break;
	}
	gtk_window_present(GTK_WINDOW(phone->ca_window));
}


/* phone_show_code */
void phone_show_code(Phone * phone, gboolean show, ...)
{
	va_list ap;
	PhoneCode code;
	GtkWidget * vbox;
	GtkWidget * hbox; /* XXX create in phone_create_dialpad? */
	GtkWidget * widget;

	if(show == FALSE) /* FIXME pre-build the window anyway */
	{
		if(phone->en_window != NULL)
			gtk_widget_hide(phone->en_window);
		return;
	}
	va_start(ap, show);
	code = va_arg(ap, PhoneCode);
	va_end(ap);
	if(phone->en_window == NULL)
	{
		phone->en_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->en_window),
				"stock_lock");
#endif
		vbox = gtk_vbox_new(FALSE, 0);
		hbox = gtk_hbox_new(FALSE, 0);
		phone->en_entry = gtk_entry_new();
		gtk_entry_set_visibility(GTK_ENTRY(phone->en_entry), FALSE);
		gtk_widget_modify_font(phone->en_entry, phone->bold);
		g_signal_connect_swapped(G_OBJECT(phone->en_entry), "activate",
				G_CALLBACK(on_phone_code_enter), phone);
		gtk_box_pack_start(GTK_BOX(hbox), phone->en_entry, TRUE, TRUE,
				2);
		widget = gtk_button_new();
		gtk_button_set_image(GTK_BUTTON(widget),
				gtk_image_new_from_icon_name("edit-undo",
					GTK_ICON_SIZE_BUTTON));
		gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE);
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(on_phone_code_clear), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 2);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 2);
		widget = _phone_create_dialpad(phone, GTK_STOCK_OK, _("Enter"),
				G_CALLBACK(on_phone_code_enter),
				GTK_STOCK_CANCEL, _("Skip"),
				G_CALLBACK(on_phone_code_leave),
				G_CALLBACK(on_phone_code_clicked));
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 0);
		gtk_container_add(GTK_CONTAINER(phone->en_window), vbox);
		gtk_widget_show_all(vbox);
	}
	switch(code)
	{
		case PHONE_CODE_SIM_PIN:
			gtk_window_set_title(GTK_WINDOW(phone->en_window),
					_("Enter SIM PIN code"));
			break;
	}
	if(phone->en_code != code)
		phone_code_clear(phone);
	phone->en_code = code;
	gtk_window_present(GTK_WINDOW(phone->en_window));
}


/* phone_show_contacts */
void phone_show_contacts(Phone * phone, gboolean show)
{
	GtkWidget * vbox;
	GtkWidget * widget;
	GtkToolItem * toolitem;
	GtkCellRenderer * renderer;
	GtkTreeViewColumn * column;

	if(phone->co_window == NULL)
	{
		phone->co_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->co_window),
				"stock_addressbook");
#endif
		gtk_window_set_default_size(GTK_WINDOW(phone->co_window), 200,
				300);
		gtk_window_set_title(GTK_WINDOW(phone->co_window),
				_("Contacts"));
		g_signal_connect_swapped(G_OBJECT(phone->co_window),
				"delete-event", G_CALLBACK(on_phone_closex),
				phone->co_window);
		vbox = gtk_vbox_new(FALSE, 0);
		/* toolbar */
		widget = gtk_toolbar_new();
		toolitem = gtk_tool_button_new(NULL, _("Call"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"call-start");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_contacts_call), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_EDIT);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_contacts_edit), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new(NULL, _("Write"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"mail-reply-sender");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_contacts_write), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_contacts_delete), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
		/* view */
		widget = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
				GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
				GTK_SHADOW_ETCHED_IN);
		phone->co_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(
					phone->co_store));
		gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(phone->co_view),
				FALSE);
		renderer = gtk_cell_renderer_text_new();
		column = gtk_tree_view_column_new_with_attributes(_("Contact"),
				renderer, "text", 1, NULL);
		gtk_tree_view_append_column(GTK_TREE_VIEW(phone->co_view),
				column);
		gtk_container_add(GTK_CONTAINER(widget), phone->co_view);
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 0);
		gtk_container_add(GTK_CONTAINER(phone->co_window), vbox);
		gtk_widget_show_all(vbox);
	}
	if(show)
		gtk_window_present(GTK_WINDOW(phone->co_window));
	else
		gtk_widget_hide(phone->co_window);
}


#ifdef DEBUG
/* phone_show_debug */
static int _gsm_fetch_message_list_all(GSM * gsm);
static int _gsm_fetch_message_list_read(GSM * gsm);
static int _gsm_fetch_message_list_sent(GSM * gsm);
static int _gsm_fetch_message_list_unread(GSM * gsm);
static int _gsm_fetch_message_list_unsent(GSM * gsm);
static int _gsm_reset(GSM * gsm);
static int _gsm_set_functional_disable(GSM * gsm);
static int _gsm_set_functional_enable(GSM * gsm);

static struct
{
	char const * name;
	int (*callback)(GSM * gsm);
} _debug_gsm_commands[] =
{
	{ "Answer call",		gsm_call_answer			},
	{ "Battery charge",		gsm_fetch_battery_charge	},
	{ "Contact list",		gsm_fetch_contact_list		},
	{ "Disable phone",		_gsm_set_functional_disable	},
	{ "Enable phone",		_gsm_set_functional_enable	},
	{ "Hangup call",		gsm_call_hangup			},
	{ "Messages",			_gsm_fetch_message_list_all	},
	{ "Messages read",		_gsm_fetch_message_list_read	},
	{ "Messages sent",		_gsm_fetch_message_list_sent	},
	{ "Messages unread",		_gsm_fetch_message_list_unread	},
	{ "Messages unsent",		_gsm_fetch_message_list_unsent	},
	{ "Mute",			gsm_is_mute			},
	{ "Operator",			gsm_fetch_operator		},
	{ "Phone active",		gsm_is_phone_active		},
	{ "Phone functional",		gsm_is_functional		},
	{ "Registered",			gsm_is_registered		},
	{ "Registration",		gsm_fetch_registration		},
	{ "Reject call",		gsm_call_reject			},
	{ "Reset",			_gsm_reset			},
	{ "Signal level",		gsm_fetch_signal_level		},
	{ "SIM PIN status",		gsm_is_pin_needed		},
	{ "SIM PIN valid",		gsm_is_pin_valid		},
	{ NULL,				NULL				}
};

static void _on_debug_gsm_execute(gpointer data);
static void _on_debug_queue_execute(gpointer data);

void phone_show_debug(Phone * phone, gboolean show)
{
	GtkWidget * vbox;
	GtkWidget * hbox;
	GtkWidget * widget;
	size_t i;

	if(phone->de_window == NULL)
	{
		phone->de_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_default_size(GTK_WINDOW(phone->de_window), 200,
				300);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->de_window),
				"stock_compile");
#endif
		gtk_window_set_title(GTK_WINDOW(phone->de_window), "Debugging");
		vbox = gtk_vbox_new(FALSE, 0);
		/* gsm commands */
		widget = gtk_label_new("GSM commands");
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 4);
		gtk_widget_modify_font(widget, phone->bold);
		hbox = gtk_hbox_new(FALSE, 0);
		phone->de_gsm = gtk_combo_box_new_text();
		for(i = 0; _debug_gsm_commands[i].name != NULL; i++)
			gtk_combo_box_append_text(GTK_COMBO_BOX(phone->de_gsm),
					_debug_gsm_commands[i].name);
		gtk_combo_box_set_active(GTK_COMBO_BOX(phone->de_gsm), 0);
		gtk_box_pack_start(GTK_BOX(hbox), phone->de_gsm, TRUE, TRUE, 4);
		widget = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
		gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE);
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(_on_debug_gsm_execute), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
		/* gsm queue */
		widget = gtk_label_new("GSM queue");
		gtk_widget_modify_font(widget, phone->bold);
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 4);
		hbox = gtk_hbox_new(FALSE, 0);
		phone->de_queue = gtk_entry_new();
		g_signal_connect_swapped(G_OBJECT(phone->de_queue), "activate",
				G_CALLBACK(_on_debug_queue_execute), phone);
		gtk_box_pack_start(GTK_BOX(hbox), phone->de_queue, TRUE, TRUE,
				4);
		widget = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
		gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE);
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(_on_debug_queue_execute), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
		/* quit */
		hbox = gtk_hbox_new(FALSE, 0);
		widget = gtk_button_new_from_stock(GTK_STOCK_QUIT);
		g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
					gtk_main_quit), NULL);
		gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 4);
		gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
		gtk_container_add(GTK_CONTAINER(phone->de_window), vbox);
		gtk_widget_show_all(vbox);
	}
	if(show)
		gtk_window_present(GTK_WINDOW(phone->de_window));
	else
		gtk_widget_hide(phone->de_window);
}

static void _on_debug_gsm_execute(gpointer data)
{
	Phone * phone = data;
	gchar * text;
	size_t i;

	if((text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(phone->de_gsm)))
			== NULL)
		return;
	for(i = 0; _debug_gsm_commands[i].name != NULL; i++)
		if(strcmp(_debug_gsm_commands[i].name, text) == 0)
			break;
	g_free(text);
	if(_debug_gsm_commands[i].callback != NULL)
		_debug_gsm_commands[i].callback(phone->gsm);
}

static void _on_debug_queue_execute(gpointer data)
{
	Phone * phone = data;
	char const * text;

	if((text = gtk_entry_get_text(GTK_ENTRY(phone->de_queue))) == NULL)
		return;
	gsm_queue(phone->gsm, text);
}

static int _gsm_fetch_message_list_all(GSM * gsm)
{
	return gsm_fetch_message_list(gsm, GSM_MESSAGE_LIST_ALL);
}

static int _gsm_fetch_message_list_read(GSM * gsm)
{
	return gsm_fetch_message_list(gsm, GSM_MESSAGE_LIST_READ);
}

static int _gsm_fetch_message_list_sent(GSM * gsm)
{
	return gsm_fetch_message_list(gsm, GSM_MESSAGE_LIST_SENT);
}

static int _gsm_fetch_message_list_unread(GSM * gsm)
{
	return gsm_fetch_message_list(gsm, GSM_MESSAGE_LIST_UNREAD);
}

static int _gsm_fetch_message_list_unsent(GSM * gsm)
{
	return gsm_fetch_message_list(gsm, GSM_MESSAGE_LIST_UNSENT);
}

static int _gsm_reset(GSM * gsm)
{
	return gsm_reset(gsm, 0);
}

static int _gsm_set_functional_disable(GSM * gsm)
{
	return gsm_set_functional(gsm, FALSE);
}

static int _gsm_set_functional_enable(GSM * gsm)
{
	return gsm_set_functional(gsm, TRUE);
}
#endif


/* phone_show_dialer */
void phone_show_dialer(Phone * phone, gboolean show)
{
	GtkWidget * vbox;
	GtkWidget * hbox;
	GtkWidget * widget;

	if(phone->di_window == NULL)
	{
		phone->di_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->di_window),
				"stock_landline-phone");
#endif
		gtk_window_set_title(GTK_WINDOW(phone->di_window), _("Dialer"));
		g_signal_connect_swapped(G_OBJECT(phone->di_window),
				"delete-event", G_CALLBACK(on_phone_closex),
				phone->di_window);
		gdk_add_client_message_filter(gdk_atom_intern(
					PHONE_CLIENT_MESSAGE, FALSE),
				on_phone_filter, phone);
		vbox = gtk_vbox_new(FALSE, 0);
		/* entry */
		hbox = gtk_hbox_new(FALSE, 0);
		phone->di_entry = gtk_entry_new();
		gtk_widget_modify_font(phone->di_entry, phone->bold);
		g_signal_connect_swapped(G_OBJECT(phone->di_entry), "activate",
				G_CALLBACK(on_phone_dialer_call), phone);
		gtk_box_pack_start(GTK_BOX(hbox), phone->di_entry, TRUE, TRUE,
				2);
		widget = gtk_button_new();
		gtk_button_set_image(GTK_BUTTON(widget),
				gtk_image_new_from_icon_name(
					"stock_addressbook",
					GTK_ICON_SIZE_BUTTON));
		gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE);
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(on_phone_contacts_show), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 2);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE,
				2);
		/* dialpad */
		widget = _phone_create_dialpad(phone, "call-start", _("Call"),
				G_CALLBACK(on_phone_dialer_call),
				"call-stop", _("Hang up"),
				G_CALLBACK(on_phone_dialer_hangup),
				G_CALLBACK(on_phone_dialer_clicked));
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 0);
		gtk_container_add(GTK_CONTAINER(phone->di_window), vbox);
		gtk_widget_show_all(vbox);
	}
	if(show)
		gtk_window_present(GTK_WINDOW(phone->di_window));
	else
		gtk_widget_hide(phone->di_window);
}


/* phone_show_messages */
void phone_show_messages(Phone * phone, gboolean show)
{
	GtkWidget * vbox;
	GtkWidget * widget;
	GtkToolItem * toolitem;
	GtkWidget * hbox;
	GtkCellRenderer * renderer;
	GtkTreeViewColumn * column;

	if(phone->me_window == NULL)
	{
		phone->me_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_default_size(GTK_WINDOW(phone->me_window), 200,
				300);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->me_window),
				"stock_mail-compose");
#endif
		gtk_window_set_title(GTK_WINDOW(phone->me_window),
				_("Messages"));
		g_signal_connect_swapped(G_OBJECT(phone->me_window),
				"delete-event", G_CALLBACK(on_phone_closex),
				phone->me_window);
		vbox = gtk_vbox_new(FALSE, 0);
		/* toolbar */
		widget = gtk_toolbar_new();
		toolitem = gtk_tool_button_new(NULL, _("Call"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"call-start");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_messages_call), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new(NULL, _("New message"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"stock_mail-compose");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_messages_write), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new(NULL, _("Reply"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"mail-reply-sender");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_messages_reply), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_messages_delete), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
		/* selector */
		/* FIXME consider:
		 * - creating a notebook here ("Inbox", "Outbox", "All")
		 * - each page has a GtkTreeView
		 * - each GtkTreeView has a GtkTreeModelFilter as model
		 * - each GtkTreeModelFilter is a variant of the GtkListStore */
		hbox = gtk_hbox_new(TRUE, 0);
		widget = _phone_create_button("stock_inbox", _("Inbox"));
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(on_phone_messages_inbox), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
		widget = _phone_create_button("stock_outbox", _("Sent"));
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(on_phone_messages_outbox), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
		/* view */
		widget = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
				GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
				GTK_SHADOW_ETCHED_IN);
		phone->me_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(
					phone->me_store));
		g_signal_connect_swapped(G_OBJECT(phone->me_view),
				"row-activated", G_CALLBACK(
					on_phone_messages_activated), phone);
		gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(phone->me_view),
				FALSE); /* XXX consider reverting this */
		renderer = gtk_cell_renderer_text_new();
		column = gtk_tree_view_column_new_with_attributes(_("From"),
				renderer, "text",
				PHONE_MESSAGE_COLUMN_NUMBER_DISPLAY, NULL);
		gtk_tree_view_append_column(GTK_TREE_VIEW(phone->me_view),
				column);
		renderer = gtk_cell_renderer_text_new();
		column = gtk_tree_view_column_new_with_attributes(_("Date"),
				renderer, "text",
				PHONE_MESSAGE_COLUMN_DATE_DISPLAY, NULL);
		gtk_tree_view_append_column(GTK_TREE_VIEW(phone->me_view),
				column);
		gtk_container_add(GTK_CONTAINER(widget), phone->me_view);
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 0);
		gtk_container_add(GTK_CONTAINER(phone->me_window), vbox);
		gtk_widget_show_all(vbox);
	}
	if(show)
		gtk_window_present(GTK_WINDOW(phone->me_window));
	else
		gtk_widget_hide(phone->me_window);
}


/* phone_show_read */
void phone_show_read(Phone * phone, gboolean show, ...)
{
	va_list ap;
	GtkWidget * vbox;
	GtkWidget * widget;
	GtkToolItem * toolitem;
	GtkTextBuffer * tbuf;
	unsigned int index;
	char const * name;
	char const * number;
	time_t date;
	char const * content;
	struct tm t;
	char buf[32];

	if(show == FALSE)
	{
		if(phone->re_window != NULL)
			gtk_widget_hide(phone->re_window);
		return;
	}
	va_start(ap, show);
	index = va_arg(ap, unsigned int);
	name = va_arg(ap, char const *);
	number = va_arg(ap, char const *);
	date = va_arg(ap, time_t);
	content = va_arg(ap, char const *);
	va_end(ap);
#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s() %u, %s, %s, %u, %s\n", __func__, index,
			name, number, date, content);
#endif
	if(phone->re_window == NULL)
	{
		phone->re_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_default_size(GTK_WINDOW(phone->re_window), 200,
				300);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->re_window),
				"stock_mail-compose");
#endif
		gtk_window_set_title(GTK_WINDOW(phone->re_window),
				_("Read message"));
		g_signal_connect(G_OBJECT(phone->re_window), "delete-event",
				G_CALLBACK(on_phone_closex), phone->re_window);
		vbox = gtk_vbox_new(FALSE, 0);
		/* toolbar */
		widget = gtk_toolbar_new();
		toolitem = gtk_tool_button_new(NULL, _("Call"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"call-start");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_read_call), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
		/* name */
		phone->re_name = gtk_label_new(NULL);
		gtk_widget_modify_font(phone->re_name, phone->bold);
		gtk_box_pack_start(GTK_BOX(vbox), phone->re_name, FALSE, TRUE,
				0);
		/* number */
		phone->re_number = gtk_label_new(NULL);
		gtk_box_pack_start(GTK_BOX(vbox), phone->re_number, FALSE, TRUE,
				0);
		/* date */
		phone->re_date = gtk_label_new(NULL);
		gtk_box_pack_start(GTK_BOX(vbox), phone->re_date, FALSE, TRUE,
				0);
		/* view */
		widget = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
				GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
				GTK_SHADOW_ETCHED_IN);
		phone->re_view = gtk_text_view_new();
		gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(phone->re_view),
				FALSE);
		gtk_text_view_set_editable(GTK_TEXT_VIEW(phone->re_view),
				FALSE);
		gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(phone->re_view),
				GTK_WRAP_WORD_CHAR);
		tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->re_view));
		gtk_container_add(GTK_CONTAINER(widget), phone->re_view);
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 2);
		gtk_container_add(GTK_CONTAINER(phone->re_window), vbox);
		gtk_widget_show_all(vbox);
	}
	if(name != NULL)
		gtk_label_set_text(GTK_LABEL(phone->re_name), name);
	if(number != NULL)
		gtk_label_set_text(GTK_LABEL(phone->re_number), number);
	gmtime_r(&date, &t);
	strftime(buf, sizeof(buf), "%d/%m/%Y %H:%M:%S", &t);
	gtk_label_set_text(GTK_LABEL(phone->re_date), buf);
	tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->re_view));
	if(content != NULL)
		gtk_text_buffer_set_text(tbuf, content, -1);
	gtk_window_present(GTK_WINDOW(phone->re_window));
}


/* phone_show_write */
void phone_show_write(Phone * phone, gboolean show)
{
	GtkWidget * vbox;
	GtkWidget * hbox;
	GtkWidget * widget;
	GtkToolItem * toolitem;
	GtkTextBuffer * tbuf;

	if(phone->wr_window == NULL)
	{
		phone->wr_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_default_size(GTK_WINDOW(phone->wr_window), 200,
				300);
#if GTK_CHECK_VERSION(2, 6, 0)
		gtk_window_set_icon_name(GTK_WINDOW(phone->wr_window),
				"stock_mail-compose");
#endif
		gtk_window_set_title(GTK_WINDOW(phone->wr_window),
				_("Write message"));
		g_signal_connect(G_OBJECT(phone->wr_window), "delete-event",
				G_CALLBACK(on_phone_closex), phone->wr_window);
		vbox = gtk_vbox_new(FALSE, 0);
		/* toolbar */
		widget = gtk_toolbar_new();
		toolitem = gtk_tool_button_new(NULL, _("Send"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"mail-send");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_write_send), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new(NULL, _("Attach"));
		gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem),
				"stock_attach");
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_write_attach), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_CUT);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_write_cut), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_COPY);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_write_copy), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_PASTE);
		g_signal_connect_swapped(G_OBJECT(toolitem), "clicked",
				G_CALLBACK(on_phone_write_paste), phone);
		gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
		gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
		/* entry */
		hbox = gtk_hbox_new(FALSE, 0);
		phone->wr_entry = gtk_entry_new();
		gtk_box_pack_start(GTK_BOX(hbox), phone->wr_entry, TRUE, TRUE,
				2);
		widget = gtk_button_new();
		gtk_button_set_image(GTK_BUTTON(widget),
				gtk_image_new_from_icon_name(
					"stock_addressbook",
					GTK_ICON_SIZE_BUTTON));
		gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE);
		g_signal_connect_swapped(G_OBJECT(widget), "clicked",
				G_CALLBACK(on_phone_contacts_show), phone);
		gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 2);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 2);
		/* character count */
		hbox = gtk_hbox_new(FALSE, 0);
		phone->wr_count = gtk_label_new(NULL);
		gtk_box_pack_start(GTK_BOX(hbox), phone->wr_count, TRUE, TRUE,
				2);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 2);
		/* view */
		widget = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
				GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
				GTK_SHADOW_ETCHED_IN);
		phone->wr_view = gtk_text_view_new();
		gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(phone->wr_view),
				GTK_WRAP_WORD_CHAR);
		tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->wr_view));
		g_signal_connect_swapped(G_OBJECT(tbuf), "changed", G_CALLBACK(
					on_phone_write_changed), phone);
		gtk_container_add(GTK_CONTAINER(widget), phone->wr_view);
		gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 2);
		gtk_container_add(GTK_CONTAINER(phone->wr_window), vbox);
		gtk_widget_show_all(vbox);
		phone_write_count_buffer(phone);
	}
	if(show)
		gtk_window_present(GTK_WINDOW(phone->wr_window));
	else
		gtk_widget_hide(phone->wr_window);
}


/* write */
/* phone_write_count_buffer */
void phone_write_count_buffer(Phone * phone)
{
	GtkTextBuffer * tbuf;
	const int max = 140;
	gint cnt;
	gint msg_cnt;
	gint cur_cnt;
	char buf[32];

	tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->wr_view));
	if((cnt = gtk_text_buffer_get_char_count(tbuf)) < 0)
		return;
	msg_cnt = (cnt / max) + 1;
	if((cur_cnt = cnt % max) == 0)
	{
		msg_cnt--;
		if(cnt > 0)
			cur_cnt = max;
	}
	snprintf(buf, sizeof(buf), _("%d message%s, %d/%d characters"),
			msg_cnt, (msg_cnt > 1) ? _("s") : "", cur_cnt, max);
	gtk_label_set_text(GTK_LABEL(phone->wr_count), buf);
}


/* phone_write_send */
void phone_write_send(Phone * phone)
{
	gchar const * number;
	gchar * text;
	GtkTextBuffer * tbuf;
	GtkTextIter start;
	GtkTextIter end;
	size_t len;

	phone_show_write(phone, TRUE);
	number = gtk_entry_get_text(GTK_ENTRY(phone->wr_entry));
	tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(phone->wr_view));
	gtk_text_buffer_get_start_iter(GTK_TEXT_BUFFER(tbuf), &start);
	gtk_text_buffer_get_end_iter(GTK_TEXT_BUFFER(tbuf), &end);
	text = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(tbuf), &start, &end,
			FALSE);
	if(number == NULL || number[0] == '\0' || text == NULL)
		return;
	phone->wr_progress = _phone_create_progress(phone->wr_window,
			_("Sending message..."));
	_phone_track(phone, PHONE_TRACK_MESSAGE_SENT, TRUE);
	len = strlen(text);
	_phone_event(phone, PHONE_EVENT_SMS_SENT, text, &len);
	gsm_send_message(phone->gsm, number, text);
	g_free(text);
}


/* private */
/* phone_create_button */
static GtkWidget * _phone_create_button(char const * icon, char const * label)
{
	GtkWidget * ret;

	ret = gtk_button_new_with_label(label);
	gtk_button_set_image(GTK_BUTTON(ret), gtk_image_new_from_icon_name(icon,
				GTK_ICON_SIZE_BUTTON));
	return ret;
}


/* phone_create_dialpad */
static GtkWidget * _phone_create_dialpad(Phone * phone,
		char const * button1_image, char const * button1_label,
		GCallback button1_callback,
		char const * button2_image, char const * button2_label,
		GCallback button2_callback,
		GCallback button_callback)
{
	static struct
	{
		char character;
		char const * label;
	} numbers[12] = {
		{ '1', "<b>_1</b>\n" },
		{ '2', "<b>_2</b>\n<small>ABC</small>" },
		{ '3', "<b>_3</b>\n<small>DEF</small>" },
		{ '4', "<b>_4</b>\n<small>GHI</small>" },
		{ '5', "<b>_5</b>\n<small>JKL</small>" },
		{ '6', "<b>_6</b>\n<small>MNO</small>" },
		{ '7', "<b>_7</b>\n<small>PQRS</small>" },
		{ '8', "<b>_8</b>\n<small>TUV</small>" },
		{ '9', "<b>_9</b>\n<small>WXYZ</small>" },
		{ '*', "<b>_*</b>\n<small>+</small>" },
		{ '0', "<b>_0</b>\n" },
		{ '#', "<b>_#</b>\n" }
	};
	GtkWidget * table;
	GtkWidget * button;
	GtkWidget * image;
	GtkWidget * label;
	int i;

	table = gtk_table_new(5, 6, TRUE);
	/* call */
	button = gtk_button_new();
	image = gtk_image_new_from_icon_name(button1_image,
			GTK_ICON_SIZE_BUTTON);
	gtk_button_set_image(GTK_BUTTON(button), image);
	gtk_button_set_label(GTK_BUTTON(button), button1_label);
	g_signal_connect_swapped(G_OBJECT(button), "clicked", button1_callback,
			phone);
	gtk_table_attach(GTK_TABLE(table), button, 0, 3, 0, 1,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 2, 2);
	button = gtk_button_new();
	image = gtk_image_new_from_icon_name(button2_image,
			GTK_ICON_SIZE_BUTTON);
	gtk_button_set_image(GTK_BUTTON(button), image);
	gtk_button_set_label(GTK_BUTTON(button), button2_label);
	g_signal_connect_swapped(G_OBJECT(button), "clicked", button2_callback,
			phone);
	gtk_table_attach(GTK_TABLE(table), button, 3, 6, 0, 1,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 2, 2);
	/* numbers */
	for(i = 0; i < 12; i++)
	{
		button = gtk_button_new();
		label = gtk_label_new(NULL);
		gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
		gtk_label_set_markup_with_mnemonic(GTK_LABEL(label),
				numbers[i].label);
		gtk_container_add(GTK_CONTAINER(button), label);
		g_object_set_data(G_OBJECT(button), "character",
				&numbers[i].character);
		g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
					button_callback), phone);
		gtk_table_attach(GTK_TABLE(table), button, (i % 3) * 2,
				((i % 3) + 1) * 2, (i / 3) + 1, (i / 3) + 2,
				GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
				2, 2);
	}
	return table;
}


/* phone_create_progress */
static GtkWidget * _phone_create_progress(GtkWidget * parent, char const * text)
{
	GtkWidget * window;
	GtkWidget * vbox;
	GtkWidget * widget;

	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
				on_phone_closex), NULL);
	gtk_window_set_modal(GTK_WINDOW(window), TRUE);
	gtk_window_set_title(GTK_WINDOW(window), _("Operation in progress..."));
	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
	vbox = gtk_vbox_new(FALSE, 0);
	widget = gtk_label_new(text);
	gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 2);
	widget = gtk_progress_bar_new();
	g_object_set_data(G_OBJECT(window), "progress", widget);
	gtk_progress_bar_pulse(GTK_PROGRESS_BAR(widget));
	gtk_progress_bar_set_text(GTK_PROGRESS_BAR(widget), " ");
	gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 2);
	gtk_container_set_border_width(GTK_CONTAINER(window), 4);
	gtk_container_add(GTK_CONTAINER(window), vbox);
	gtk_widget_show_all(window);
	return window;
}


/* phone_error */
static void _phone_error(GtkWidget * window, char const * message)
{
	GtkWidget * dialog;
	GtkWindow * w = (window != NULL) ? GTK_WINDOW(window) : NULL;
	GtkDialogFlags flags = (window != NULL)
		? GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT : 0;

	dialog = gtk_message_dialog_new(w, flags, GTK_MESSAGE_ERROR,
			GTK_BUTTONS_CLOSE, "%s",
#if GTK_CHECK_VERSION(2, 8, 0)
			_("Error"));
	gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
			"%s",
#endif
			message);
	gtk_window_set_title(GTK_WINDOW(dialog), _("Error"));
	g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
				gtk_widget_destroy), NULL);
	gtk_widget_show(dialog);
}


/* phone_event */
static void _phone_event(Phone * phone, PhoneEvent event, ...)
{
	size_t i;
	va_list ap;
	char * buf;
	size_t * len;

	for(i = 0; i < phone->plugins_cnt; i++)
	{
		if(phone->plugins[i].pp->event == NULL)
			continue;
		switch(event)
		{
			case PHONE_EVENT_SMS_RECEIVED:
			case PHONE_EVENT_SMS_SENT:
				va_start(ap, event);
				buf = va_arg(ap, char *);
				len = va_arg(ap, size_t *);
				phone->plugins[i].pp->event(event, buf, len);
				va_end(ap);
				break;
			default:
				phone->plugins[i].pp->event(event);
				break;
		}
	}
}


/* phone_fetch_contacts */
static void _phone_fetch_contacts(Phone * phone, unsigned int start,
		unsigned int end)
{
	unsigned int i;

	for(i = start + 10; i < end; i+=10)
	{
		gsm_fetch_contacts(phone->gsm, start, i);
		start = i;
	}
	if(start < end)
		gsm_fetch_contacts(phone->gsm, start, end);
}


/* phone_fetch_messages */
static void _phone_fetch_messages(Phone * phone, unsigned int start,
		unsigned int end)
{
	unsigned int i;

	for(i = start; i <= end; i++)
		gsm_fetch_message(phone->gsm, i);
}


/* phone_info */
static void _phone_info(Phone * phone, GtkWidget * window, char const * message,
		GCallback callback)
{
	GtkWidget * dialog;

	if(callback == NULL)
		callback = G_CALLBACK(gtk_widget_destroy);
	dialog = gtk_message_dialog_new((window != NULL) ? GTK_WINDOW(window)
			: NULL,
			GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
			GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "%s",
#if GTK_CHECK_VERSION(2, 8, 0)
			_("Information"));
	gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
			"%s",
#endif
			message);
	gtk_window_set_title(GTK_WINDOW(dialog), _("Information"));
	g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(callback),
			phone);
	gtk_widget_show(dialog);
}


/* phone_progress_delete */
static GtkWidget * _phone_progress_delete(GtkWidget * widget)
{
	if(widget != NULL)
		gtk_widget_destroy(widget);
	return NULL;
}


/* phone_progress_pulse */
static void _phone_progress_pulse(GtkWidget * widget)
{
	GtkWidget * progress;

	if((progress = g_object_get_data(G_OBJECT(widget), "progress")) == NULL)
		return;
	gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progress));
}


/* phone_set_operator */
static void _phone_set_operator(Phone * phone, char const * operator)
{
	gtk_label_set(GTK_LABEL(phone->sy_operator), operator);
}


/* phone_set_signal_level */
static void _signal_level_set_image(Phone * phone, PhoneSignal signal);

static void _phone_set_signal_level(Phone * phone, gdouble level)
{
	if(level < 0.0)
		_signal_level_set_image(phone, PHONE_SIGNAL_00);
	else if(level < 0.25)
		_signal_level_set_image(phone, PHONE_SIGNAL_25);
	else if(level < 0.50)
		_signal_level_set_image(phone, PHONE_SIGNAL_50);
	else if(level < 0.75)
		_signal_level_set_image(phone, PHONE_SIGNAL_75);
	else if(level <= 1.0)
		_signal_level_set_image(phone, PHONE_SIGNAL_100);
	else
		_signal_level_set_image(phone, PHONE_SIGNAL_UNKNOWN);
}

static void _signal_level_set_image(Phone * phone, PhoneSignal signal)
{
	char const * icons[PHONE_SIGNAL_COUNT] =
	{
		"stock_cell-phone",
		"phone-signal-00",
		"phone-signal-25",
		"phone-signal-50",
		"phone-signal-75",
		"phone-signal-100"
	};

	if(phone->signal == signal)
		return;
	phone->signal = signal;
	/* XXX may not be the correct size */
	gtk_image_set_from_icon_name(GTK_IMAGE(phone->sy_image), icons[signal],
			GTK_ICON_SIZE_SMALL_TOOLBAR);
}


/* phone_set_status */
static void _phone_set_status(Phone * phone, GSMStatus status)
{
	char const * operator = NULL;
	gboolean track_registration = TRUE;

	switch(status)
	{
		case GSM_STATUS_UNKNOWN:
			operator = _("Unknown");
			break;
		case GSM_STATUS_REGISTERING:
			operator = _("Registering...");
			break;
		case GSM_STATUS_REGISTERING_DENIED:
			operator = _("Denied");
			break;
		case GSM_STATUS_INITIALIZED:
			operator = _("SIM check...");
			track_registration = FALSE;
			gsm_is_pin_needed(phone->gsm);
			break;
		case GSM_STATUS_READY:
			track_registration = FALSE;
			operator = _("SIM ready...");
			gsm_is_functional(phone->gsm);
			break;
		case GSM_STATUS_REGISTERED_HOME:
		case GSM_STATUS_REGISTERED_ROAMING:
			track_registration = FALSE;
			gsm_set_operator_format(phone->gsm,
					GSM_OPERATOR_FORMAT_LONG);
			gsm_fetch_operator(phone->gsm);
			gsm_fetch_signal_level(phone->gsm);
#ifndef DEBUG
			_phone_track(phone, PHONE_TRACK_SIGNAL_LEVEL, TRUE);
#endif
			return;
	}
	_phone_track(phone, PHONE_TRACK_REGISTRATION, track_registration);
	if(operator != NULL)
		_phone_set_operator(phone, operator);
	_phone_set_signal_level(phone, 0.0 / 0.0);
}


/* phone_track */
static void _phone_track(Phone * phone, PhoneTrack what, gboolean track)
{
	size_t i;

	phone->tracks[what] = track;
	if(track)
	{
		if(phone->tr_source == 0)
			phone->tr_source = g_timeout_add(2000,
					_phone_timeout_track, phone);
	}
	else if(phone->tr_source != 0)
	{
		for(i = 0; i < PHONE_TRACK_COUNT; i++)
			if(phone->tracks[i] != FALSE)
				return;
		g_source_remove(phone->tr_source);
		phone->tr_source = 0;
	}
}


/* callbacks */
/* phone_gsm_event */
static int _gsm_event_error(Phone * phone, GSMEvent * event);
static int _gsm_event_phone_activity(Phone * phone, GSMPhoneActivity activity);
static void _on_sim_pin_valid_response(GtkWidget * widget, gint response,
		gpointer data);

static int _phone_gsm_event(GSMEvent * event, gpointer data)
{
	Phone * phone = data;
	GSMRegistrationReport report;

#ifdef DEBUG
	fprintf(stderr, "DEBUG: %s(%d)\n", __func__, event->type);
#endif
	report = GSM_REGISTRATION_REPORT_ENABLE_UNSOLLICITED_WITH_LOCATION;
	switch(event->type)
	{
		case GSM_EVENT_TYPE_ERROR:
			return _gsm_event_error(phone, event);
		case GSM_EVENT_TYPE_BATTERY_CHARGE:
			/* FIXME implement */
			return 0;
		case GSM_EVENT_TYPE_CALL_PRESENTATION:
			/* FIXME convert number, contact will be automatic */
			phone_show_call(phone, TRUE, PHONE_CALL_INCOMING, "",
					event->call_presentation.number);
			return 0;
		case GSM_EVENT_TYPE_CONTACT:
			phone_contacts_add(phone, event->contact.index,
					event->contact.name,
					event->contact.number);
			return 0;
		case GSM_EVENT_TYPE_CONTACT_LIST:
			_phone_fetch_contacts(phone, event->contact_list.start,
					event->contact_list.end);
			return 0;
		case GSM_EVENT_TYPE_FUNCTIONAL:
			if(event->functional.functional != 1)
			{
				gsm_set_functional(phone->gsm, TRUE);
				return 0;
			}
			gsm_set_operator_mode(phone->gsm,
					GSM_OPERATOR_MODE_AUTOMATIC);
			gsm_set_registration_report(phone->gsm, report);
			gsm_is_phone_active(phone->gsm);
#ifndef DEBUG
			_phone_track(phone, PHONE_TRACK_CONTACT_LIST, TRUE);
			_phone_track(phone, PHONE_TRACK_MESSAGE_LIST, TRUE);
#endif
			return 0;
		case GSM_EVENT_TYPE_INCOMING_CALL:
			phone_show_call(phone, TRUE, PHONE_CALL_INCOMING, "",
					"");
			return 0;
		case GSM_EVENT_TYPE_INCOMING_MESSAGE:
			/* XXX propose to open the new message */
			_phone_info(phone, phone->me_window,
					_("New message received"), NULL);
			gsm_fetch_message(phone->gsm,
					event->incoming_message.index);
			return 0;
		case GSM_EVENT_TYPE_MESSAGE:
			_phone_event(phone, PHONE_EVENT_SMS_RECEIVED,
					event->message.content,
					&event->message.length);
			phone_messages_add(phone, event->message.index,
					event->message.number,
					event->message.date,
					event->message.content);
			return 0;
		case GSM_EVENT_TYPE_MESSAGE_LIST:
			_phone_fetch_messages(phone, event->message_list.start,
					event->message_list.end);
			return 0;
		case GSM_EVENT_TYPE_MESSAGE_SENT:
			_phone_track(phone, PHONE_TRACK_MESSAGE_SENT, FALSE);
			phone->wr_progress = _phone_progress_delete(
					phone->wr_progress);
			_phone_info(phone, phone->wr_window, _("Message sent"),
					NULL);
			return 0;
		case GSM_EVENT_TYPE_MUTE:
			if(phone->ca_window != NULL)
				gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(
							phone->ca_mute),
						event->mute.mute);
			return 0;
		case GSM_EVENT_TYPE_OPERATOR:
			_phone_set_operator(phone, event->operator.operator);
			return 0;
		case GSM_EVENT_TYPE_PHONE_ACTIVITY:
			return _gsm_event_phone_activity(phone,
					event->phone_activity.activity);
		case GSM_EVENT_TYPE_REGISTRATION:
			return 0; /* we also get a status update about it */
		case GSM_EVENT_TYPE_SIGNAL_LEVEL:
			_phone_set_signal_level(phone,
					event->signal_level.level);
			return 0;
		case GSM_EVENT_TYPE_SIM_PIN_VALID:
			phone_code_clear(phone);
			_phone_info(phone, phone->en_window,
					_("SIM PIN is valid"),
					G_CALLBACK(_on_sim_pin_valid_response));
			return 0;
		case GSM_EVENT_TYPE_STATUS:
			_phone_set_status(phone, event->status.status);
			return 0;
	}
	return 1;
}

static int _gsm_event_error(Phone * phone, GSMEvent * event)
{
	switch(event->error.error)
	{
		case GSM_ERROR_BUSY:
		case GSM_ERROR_NO_ANSWER:
		case GSM_ERROR_NO_DIALTONE:
			_phone_error(phone->ca_window, event->error.message);
			break;
		case GSM_ERROR_NO_CARRIER:
			phone_show_call(phone, TRUE, PHONE_CALL_TERMINATED);
			break;
		case GSM_ERROR_CONTACT_FETCH_FAILED:
		case GSM_ERROR_MESSAGE_FETCH_FAILED:
			break; /* ignore these errors */
		case GSM_ERROR_CONTACT_LIST_FAILED:
			_phone_track(phone, PHONE_TRACK_CONTACT_LIST, TRUE);
			break;
		case GSM_ERROR_FUNCTIONAL_FAILED:
			_phone_track(phone, PHONE_TRACK_FUNCTIONAL, TRUE);
			break;
		case GSM_ERROR_MESSAGE_LIST_FAILED:
			_phone_track(phone, PHONE_TRACK_MESSAGE_LIST, TRUE);
			break;
		case GSM_ERROR_MESSAGE_SEND_FAILED:
			_phone_track(phone, PHONE_TRACK_MESSAGE_SENT, FALSE);
			phone->wr_progress = _phone_progress_delete(
					phone->wr_progress);
			_phone_error(phone->wr_window,
					_("Could not send message"));
			break;
		case GSM_ERROR_SIM_PIN_REQUIRED:
			phone_code_clear(phone);
			phone_show_code(phone, TRUE, PHONE_CODE_SIM_PIN);
			break;
		case GSM_ERROR_SIM_PIN_WRONG:
			phone_code_clear(phone);
			_phone_error(phone->en_window, _("Wrong SIM PIN code"));
			break;
		default:
			phone_error(phone, event->error.message, 0);
			break;
	}
	return 0;
}

static int _gsm_event_phone_activity(Phone * phone, GSMPhoneActivity activity)
{
	switch(activity)
	{
		case GSM_PHONE_ACTIVITY_CALL:
			phone_show_call(phone, TRUE, PHONE_CALL_ESTABLISHED);
			break;
		case GSM_PHONE_ACTIVITY_READY:
			phone_show_call(phone, FALSE);
			break;
		case GSM_PHONE_ACTIVITY_UNKNOWN:
			break; /* what should we do? */
		case GSM_PHONE_ACTIVITY_RINGING:
			phone_show_call(phone, TRUE, PHONE_CALL_OUTGOING, NULL,
					NULL);
			break;
	}
	return 0;
}

static void _on_sim_pin_valid_response(GtkWidget * widget, gint response,
		gpointer data)
{
	Phone * phone = data;

	phone_show_code(phone, FALSE);
	gtk_widget_destroy(widget);
}


/* phone_timeout_track */
static gboolean _phone_timeout_track(gpointer data)
{
	Phone * phone = data;

	if(phone->tracks[PHONE_TRACK_CODE_ENTERED])
		_phone_progress_pulse(phone->en_progress);
	if(phone->tracks[PHONE_TRACK_CONTACT_LIST])
	{
		_phone_track(phone, PHONE_TRACK_CONTACT_LIST, FALSE);
		gsm_fetch_contact_list(phone->gsm);
	}
	if(phone->tracks[PHONE_TRACK_FUNCTIONAL])
	{
		_phone_track(phone, PHONE_TRACK_FUNCTIONAL, FALSE);
		gsm_is_functional(phone->gsm);
	}
	if(phone->tracks[PHONE_TRACK_MESSAGE_LIST])
	{
		_phone_track(phone, PHONE_TRACK_MESSAGE_LIST, FALSE);
		gsm_fetch_message_list(phone->gsm, GSM_MESSAGE_LIST_ALL);
	}
	if(phone->tracks[PHONE_TRACK_MESSAGE_SENT])
		_phone_progress_pulse(phone->wr_progress);
	if(phone->tracks[PHONE_TRACK_REGISTRATION])
		gsm_is_registered(phone->gsm);
	if(phone->tracks[PHONE_TRACK_SIGNAL_LEVEL])
		gsm_fetch_signal_level(phone->gsm);
	return TRUE;
}