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/* $Id: panel.c,v 1.14.2.2 2011/01/15 13:29:44 khorben Exp $ */

/* 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 <System.h>

#include <stdlib.h>

#ifdef DEBUG

# include <stdio.h>

#endif

#include <string.h>

#include <gtk/gtk.h>

#include "Phone.h"

/* Panel */

/* private */

/* types */

typedef enum _PanelBattery

{

PANEL_BATTERY_UNKNOWN = 0,

PANEL_BATTERY_ERROR,

PANEL_BATTERY_EMPTY,

PANEL_BATTERY_CAUTION,

PANEL_BATTERY_LOW,

PANEL_BATTERY_GOOD,

PANEL_BATTERY_FULL

} PanelBattery;

#define PANEL_BATTERY_LAST PANEL_BATTERY_FULL

#define PANEL_BATTERY_COUNT (PANEL_BATTERY_LAST + 1)

typedef enum _PanelSignal

{

PANEL_SIGNAL_UNKNOWN,

PANEL_SIGNAL_00,

PANEL_SIGNAL_25,

PANEL_SIGNAL_50,

PANEL_SIGNAL_75,

PANEL_SIGNAL_100

} PanelSignal;

#define PANEL_SIGNAL_LAST PANEL_SIGNAL_100

#define PANEL_SIGNAL_COUNT (PANEL_SIGNAL_LAST + 1)

typedef struct _Panel

{

guint timeout;

GtkWidget * plug;

GtkWidget * hbox;

/* battery */

PanelBattery battery_level;

GtkWidget * battery_image;

guint battery_timeout;

/* cell type */

GtkWidget * cell;

/* signal */

PanelSignal signal_level;

GtkWidget * signal_image;

/* operator */

GtkWidget * operator;

/* preferences */

GtkWidget * window;

GtkWidget * battery;

} Panel;

/* prototypes */

static int _panel_init(PhonePlugin * plugin);

static int _panel_destroy(PhonePlugin * plugin);

static int _panel_event(PhonePlugin * plugin, PhoneEvent * event, ...);

static void _panel_settings(PhonePlugin * plugin);

static void _panel_set_operator(Panel * panel, char const * operator);

static void _panel_set_signal_level(Panel * panel, gdouble level);

/* public */

/* variables */

PhonePlugin plugin =

{

NULL,

"Panel",

"gnome-monitor",

_panel_init,

_panel_destroy,

_panel_event,

_panel_settings,

NULL

};

/* private */

/* functions */

/* panel_init */

static gboolean _on_plug_delete_event(gpointer data);

static void _on_plug_embedded(gpointer data);

static gboolean _on_battery_timeout(gpointer data);

static int _panel_init(PhonePlugin * plugin)

{

Panel * panel;

PangoFontDescription * bold;

char const * p;

#ifdef DEBUG

fprintf(stderr, "DEBUG: %s()\n", __func__);

#endif

if((panel = object_new(sizeof(*panel))) == NULL)

return 1;

plugin->priv = panel;

panel->timeout = 0;

bold = pango_font_description_new();

pango_font_description_set_weight(bold, PANGO_WEIGHT_BOLD);

panel->plug = gtk_plug_new(0);

g_signal_connect_swapped(G_OBJECT(panel->plug), "delete-event",

G_CALLBACK(_on_plug_delete_event), plugin);

g_signal_connect_swapped(G_OBJECT(panel->plug), "embedded", G_CALLBACK(

_on_plug_embedded), plugin);

panel->hbox = gtk_hbox_new(FALSE, 2);

/* battery */

panel->battery_timeout = 0;

panel->battery_level = -1;

panel->battery_image = gtk_image_new();

gtk_box_pack_start(GTK_BOX(panel->hbox), panel->battery_image, FALSE,

TRUE, 0);

if((p = plugin->helper->config_get(plugin->helper->phone, "panel",

"battery")) == NULL

|| strcmp(p, "1") != 0)

gtk_widget_set_no_show_all(panel->battery_image, TRUE);

/* cell type */

panel->cell = gtk_label_new("G");

gtk_widget_modify_font(panel->cell, bold);

gtk_widget_set_no_show_all(panel->cell, TRUE);

gtk_box_pack_start(GTK_BOX(panel->hbox), panel->cell, FALSE, TRUE, 0);

/* signal */

panel->signal_level = -1;

panel->signal_image = gtk_image_new();

gtk_box_pack_start(GTK_BOX(panel->hbox), panel->signal_image, FALSE,

TRUE, 0);

panel->operator = gtk_label_new(NULL);

gtk_label_set_ellipsize(GTK_LABEL(panel->operator),

PANGO_ELLIPSIZE_END);

#if GTK_CHECK_VERSION(2, 6, 0)

gtk_label_set_max_width_chars(GTK_LABEL(panel->operator), 12);

#endif

gtk_widget_modify_font(panel->operator, bold);

gtk_box_pack_start(GTK_BOX(panel->hbox), panel->operator, TRUE, TRUE,

0);

_panel_set_signal_level(panel, 0.0 / 0.0);

gtk_container_add(GTK_CONTAINER(panel->plug), panel->hbox);

gtk_widget_show_all(panel->hbox);

/* preferences */

panel->window = NULL;

pango_font_description_free(bold);

_on_plug_delete_event(plugin);

return 0;

}

static gboolean _on_plug_delete_event(gpointer data)

{

PhonePlugin * plugin = data;

Panel * panel = plugin->priv;

GdkEvent event;

GdkEventClient * client = &event.client;

#ifdef DEBUG

fprintf(stderr, "DEBUG: %s()\n", __func__);

#endif

if(panel->timeout == 0)

panel->timeout = g_timeout_add(5000, _on_plug_delete_event,

plugin);

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(panel->plug));

gdk_event_send_clientmessage_toall(&event);

return TRUE;

}

static void _on_plug_embedded(gpointer data)

{

PhonePlugin * plugin = data;

Panel * panel = plugin->priv;

#ifdef DEBUG

fprintf(stderr, "DEBUG: %s()\n", __func__);

#endif

if(panel->timeout != 0)

g_source_remove(panel->timeout);

panel->timeout = 0;

gtk_widget_show(panel->plug);

#if 0 /* XXX disabled for now because of a race condition */

plugin->helper->queue(plugin->helper->phone, "AT+COPS?");

#endif

}

static gboolean _on_battery_timeout(gpointer data)

{

PhonePlugin * plugin = data;

plugin->helper->queue(plugin->helper->phone, "AT+CBC");

return TRUE;

}

/* panel_destroy */

static int _panel_destroy(PhonePlugin * plugin)

{

Panel * panel = plugin->priv;

if(panel->battery_timeout != 0)

g_source_remove(panel->battery_timeout);

if(panel->timeout != 0)

g_source_remove(panel->timeout);

gtk_widget_destroy(panel->hbox);

return 0;

}

/* panel_event */

static int _event_set_battery_level(Panel * panel, gdouble level);

static int _event_set_cell_type(Panel * panel, gboolean gprs);

static void _set_battery_image(Panel * panel, PanelBattery battery);

static int _panel_event(PhonePlugin * plugin, PhoneEvent * event, ...)

{

Panel * panel = plugin->priv;

va_list ap;

char const * operator;

gdouble level;

gboolean active;

#ifdef DEBUG

fprintf(stderr, "DEBUG: %s(plugin, %u, ...)\n", __func__, event);

#endif

va_start(ap, event);

switch(event->type)

{

case PHONE_EVENT_TYPE_BATTERY_LEVEL:

level = va_arg(ap, gdouble);

_event_set_battery_level(panel, level);

break;

case PHONE_EVENT_TYPE_FUNCTIONAL:

/* FIXME should be disabled upon errors fetching CBC */

if(gtk_widget_get_no_show_all(panel->battery_image)

== TRUE || panel->battery_timeout != 0)

break;

panel->battery_timeout = g_timeout_add(5000,

_on_battery_timeout, plugin);

_on_battery_timeout(plugin);

break;

case PHONE_EVENT_TYPE_GPRS_ATTACHMENT:

active = va_arg(ap, gboolean);

_event_set_cell_type(panel, active);

break;

case PHONE_EVENT_TYPE_SET_OPERATOR:

operator = va_arg(ap, char const *);

_panel_set_operator(panel, operator);

break;

case PHONE_EVENT_TYPE_SET_SIGNAL_LEVEL:

level = va_arg(ap, gdouble);

_panel_set_signal_level(panel, level);

break;

default:

break;

}

va_end(ap);

return 0;

}

static int _event_set_battery_level(Panel * panel, gdouble level)

{

#ifdef DEBUG

fprintf(stderr, "DEBUG: %s(plugin, %lf)\n", __func__, level);

#endif

if(level < 0.0)

_set_battery_image(panel, PANEL_BATTERY_UNKNOWN);

else if(level <= 1.0)

_set_battery_image(panel, PANEL_BATTERY_EMPTY);

else if(level <= 10.0)

_set_battery_image(panel, PANEL_BATTERY_CAUTION);

else if(level <= 20.0)

_set_battery_image(panel, PANEL_BATTERY_LOW);

else if(level <= 75.0)

_set_battery_image(panel, PANEL_BATTERY_GOOD);

else if(level <= 100.0)

_set_battery_image(panel, PANEL_BATTERY_FULL);

else

_set_battery_image(panel, PANEL_BATTERY_ERROR);

return 0;

}

static void _set_battery_image(Panel * panel, PanelBattery battery)

{

char const * icons[PANEL_BATTERY_COUNT] =

{

"stock_dialog-question",

"battery-missing",

"battery-empty",

"battery-caution",

"battery-low",

"battery-good",

"battery-full"

};

if(panel->battery_level == battery)

return;

panel->battery_level = battery;

/* XXX may not be the correct size */

gtk_image_set_from_icon_name(GTK_IMAGE(panel->battery_image),

icons[battery], GTK_ICON_SIZE_SMALL_TOOLBAR);

}

static int _event_set_cell_type(Panel * panel, gboolean gprs)

{

if(gprs)

gtk_widget_show(panel->cell);

else

gtk_widget_hide(panel->cell);

return 0;

}

/* panel_set_operator */

static void _panel_set_operator(Panel * panel, char const * operator)

{

gtk_label_set_text(GTK_LABEL(panel->operator), operator);

}

/* panel_set_signal_level */

static void _signal_level_set_image(Panel * panel, PanelSignal signal);

static void _panel_set_signal_level(Panel * panel, gdouble level)

{

if(level < 0.0)

{

if(panel->signal_level != PANEL_SIGNAL_00)

_panel_set_operator(panel, "");

_signal_level_set_image(panel, PANEL_SIGNAL_00);

}

else if(level < 0.25)

_signal_level_set_image(panel, PANEL_SIGNAL_25);

else if(level < 0.50)

_signal_level_set_image(panel, PANEL_SIGNAL_50);

else if(level < 0.75)

_signal_level_set_image(panel, PANEL_SIGNAL_75);

else if(level <= 1.0)

_signal_level_set_image(panel, PANEL_SIGNAL_100);

else

_signal_level_set_image(panel, PANEL_SIGNAL_UNKNOWN);

}

static void _signal_level_set_image(Panel * panel, PanelSignal signal)

{

char const * icons[PANEL_SIGNAL_COUNT] =

{

"network-wireless",

"phone-signal-00",

"phone-signal-25",

"phone-signal-50",

"phone-signal-75",

"phone-signal-100"

};

if(panel->signal_level == signal)

return;

panel->signal_level = signal;

/* XXX may not be the correct size */

gtk_image_set_from_icon_name(GTK_IMAGE(panel->signal_image),

icons[signal], GTK_ICON_SIZE_SMALL_TOOLBAR);

}

/* panel_settings */

static void _on_settings_cancel(gpointer data);

static gboolean _on_settings_closex(gpointer data);

static void _on_settings_ok(gpointer data);

static void _panel_settings(PhonePlugin * plugin)

{

Panel * panel = plugin->priv;

GtkWidget * vbox;

GtkWidget * bbox;

GtkWidget * widget;

if(panel->window != NULL)

{

gtk_window_present(GTK_WINDOW(panel->window));

return;

}

panel->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

gtk_container_set_border_width(GTK_CONTAINER(panel->window), 4);

gtk_window_set_default_size(GTK_WINDOW(panel->window), 200, 300);

#if GTK_CHECK_VERSION(2, 6, 0)

gtk_window_set_icon_name(GTK_WINDOW(panel->window), "gnome-settings");

#endif

gtk_window_set_title(GTK_WINDOW(panel->window), "Panel preferences");

g_signal_connect_swapped(G_OBJECT(panel->window), "delete-event",

G_CALLBACK(_on_settings_closex), plugin);

vbox = gtk_vbox_new(FALSE, 0);

/* check button */

panel->battery = gtk_check_button_new_with_label(

"Monitor battery activity");

gtk_box_pack_start(GTK_BOX(vbox), panel->battery, FALSE, TRUE, 0);

/* button box */

bbox = gtk_hbutton_box_new();

gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);

gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 4);

widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);

g_signal_connect_swapped(G_OBJECT(widget), "clicked", G_CALLBACK(

_on_settings_cancel), plugin);

gtk_container_add(GTK_CONTAINER(bbox), widget);

widget = gtk_button_new_from_stock(GTK_STOCK_OK);

g_signal_connect_swapped(G_OBJECT(widget), "clicked", G_CALLBACK(

_on_settings_ok), plugin);

gtk_container_add(GTK_CONTAINER(bbox), widget);

gtk_box_pack_end(GTK_BOX(vbox), bbox, FALSE, TRUE, 0);

gtk_container_add(GTK_CONTAINER(panel->window), vbox);

_on_settings_cancel(plugin);

gtk_widget_show_all(panel->window);

}

static void _on_settings_cancel(gpointer data)

{

PhonePlugin * plugin = data;

Panel * panel = plugin->priv;

char const * p;

if((p = plugin->helper->config_get(plugin->helper->phone, "panel",

"battery")) == NULL

|| strtoul(p, NULL, 10) == 0)

gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(panel->battery),

FALSE);

else

gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(panel->battery),

TRUE);

gtk_widget_hide(panel->window);

}

static gboolean _on_settings_closex(gpointer data)

{

PhonePlugin * plugin = data;

Panel * panel = plugin->priv;

gtk_widget_hide(panel->window);

return TRUE;

}

static void _on_settings_ok(gpointer data)

{

PhonePlugin * plugin = data;

Panel * panel = plugin->priv;

gboolean value;

if((value = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(

panel->battery))) == TRUE)

{

if(panel->battery_timeout == 0)

panel->battery_timeout = g_timeout_add(5000,

_on_battery_timeout, plugin);

_on_battery_timeout(plugin);

gtk_widget_show(panel->battery_image);

}

else

{

gtk_widget_hide(panel->battery_image);

if(panel->battery_timeout != 0)

g_source_remove(panel->battery_timeout);

panel->battery_timeout = 0;

}

gtk_widget_set_no_show_all(panel->battery_image, !value);

plugin->helper->config_set(plugin->helper->phone, "panel", "battery",

value ? "1" : "0");

gtk_widget_hide(panel->window);

}