summaryrefslogtreecommitdiff
path: root/mateweather/src/mateweather-applet.c
blob: 098b620d7e1c47ab3f758b7a3b2beeae0bf251e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
/* $Id$ */

/*
 *  Papadimitriou Spiros <spapadim+@cs.cmu.edu>
 *
 *  This code released under the GNU GPL.
 *  Read the file COPYING for more information.
 *
 *  Main applet widget
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>

#include <gio/gio.h>
#include <mate-panel-applet.h>
#include <mate-panel-applet-gsettings.h>

#include <gdk/gdkkeysyms.h>

#ifdef HAVE_LIBNOTIFY
#include <libnotify/notify.h>
#endif

#define MATEWEATHER_I_KNOW_THIS_IS_UNSTABLE

#include "mateweather.h"
#include "mateweather-about.h"
#include "mateweather-pref.h"
#include "mateweather-dialog.h"
#include "mateweather-applet.h"

#define MAX_CONSECUTIVE_FAULTS (3)

static void about_cb (GtkAction      *action,
		      MateWeatherApplet *gw_applet)
{

    mateweather_about_run (gw_applet);
}

static void help_cb (GtkAction      *action,
		     MateWeatherApplet *gw_applet)
{
    GError *error = NULL;

    gtk_show_uri_on_window (NULL,
                            "help:mateweather",
                            gtk_get_current_event_time (),
                            &error);

    if (error) {
	GtkWidget *dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
						    _("There was an error displaying help: %s"), error->message);
	g_signal_connect (dialog, "response",
	                  G_CALLBACK (gtk_widget_destroy),
	                  NULL);
	gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
	gtk_window_set_screen (GTK_WINDOW (dialog), gtk_widget_get_screen (GTK_WIDGET (gw_applet->applet)));
	gtk_widget_show (dialog);
        g_error_free (error);
        error = NULL;
    }
}

static void pref_cb (GtkAction      *action,
		     MateWeatherApplet *gw_applet)
{
   if (gw_applet->pref_dialog) {
	gtk_window_present (GTK_WINDOW (gw_applet->pref_dialog));
   } else {
	gw_applet->pref_dialog = mateweather_pref_new(gw_applet);
	g_object_add_weak_pointer(G_OBJECT(gw_applet->pref_dialog),
				  (gpointer *)&(gw_applet->pref_dialog));
	gtk_widget_show_all (gw_applet->pref_dialog);
   }
}

static void details_cb (GtkAction      *action,
			MateWeatherApplet *gw_applet)
{
   if (gw_applet->details_dialog) {
	gtk_window_present (GTK_WINDOW (gw_applet->details_dialog));
   } else {
	gw_applet->details_dialog = mateweather_dialog_new(gw_applet);
	g_object_add_weak_pointer(G_OBJECT(gw_applet->details_dialog),
				  (gpointer *)&(gw_applet->details_dialog));
	mateweather_dialog_update (MATEWEATHER_DIALOG (gw_applet->details_dialog));
	gtk_widget_show (gw_applet->details_dialog);
   }
}

static void update_cb (GtkAction      *action,
		       MateWeatherApplet *gw_applet)
{
    mateweather_update (gw_applet);
}

static const GtkActionEntry weather_applet_menu_actions [] = {
	{ "Details", NULL, N_("_Details"),
	  NULL, NULL,
	  G_CALLBACK (details_cb) },
	{ "Update", "view-refresh", N_("_Update"),
	  NULL, NULL,
	  G_CALLBACK (update_cb) },
	{ "Props", "document-properties", N_("_Preferences"),
	  NULL, NULL,
	  G_CALLBACK (pref_cb) },
	{ "Help", "help-browser", N_("_Help"),
	  NULL, NULL,
	  G_CALLBACK (help_cb) },
	{ "About", "help-about", N_("_About"),
	  NULL, NULL,
	  G_CALLBACK (about_cb) }
};

static void
place_widgets (MateWeatherApplet *gw_applet)
{
    GtkRequisition req;
    int total_size = 0;
    gboolean horizontal = FALSE;
    int panel_size = (int) gw_applet->size;
    const gchar *temp = NULL;
    const gchar *icon_name = NULL;

    switch (gw_applet->orient) {
	case MATE_PANEL_APPLET_ORIENT_LEFT:
	case MATE_PANEL_APPLET_ORIENT_RIGHT:
	    horizontal = FALSE;
	    break;
	case MATE_PANEL_APPLET_ORIENT_UP:
	case MATE_PANEL_APPLET_ORIENT_DOWN:
	    horizontal = TRUE;
	    break;
    }

    /* Create the weather icon */
    if ((gw_applet->mateweather_info) && ((icon_name = weather_info_get_icon_name (gw_applet->mateweather_info)) != NULL)) {
        gw_applet->image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_BUTTON);
    } else {
        gw_applet->image = gtk_image_new_from_icon_name ("weather-storm", GTK_ICON_SIZE_BUTTON);;
    }
    gtk_widget_show (gw_applet->image);
    gtk_widget_get_preferred_size (gw_applet->image, &req, NULL);
    if (horizontal)
        total_size += req.height;
    else
        total_size += req.width;

    /* Update temperature text */
    if ((gw_applet->mateweather_info != NULL) && ((temp = weather_info_get_temp_summary (gw_applet->mateweather_info)) != NULL))
        gw_applet->label = gtk_label_new (temp);
    else
        gw_applet->label = gtk_label_new(_("?"));

    /* Check the label size to determine box layout */
    gtk_widget_show (gw_applet->label);
    gtk_widget_get_preferred_size (gw_applet->label, &req, NULL);
    if (horizontal)
        total_size += req.height;
    else
        total_size += req.width;

    /* Pack the box */
    if (gw_applet->box)
        gtk_widget_destroy (gw_applet->box);

    if (horizontal && (total_size <= panel_size))
        gw_applet->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
    else if (horizontal && (total_size > panel_size))
        gw_applet->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
    else if (!horizontal && (total_size <= panel_size))
        gw_applet->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
    else
        gw_applet->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);

    /* better for vertical panels */
    if (horizontal)
        gtk_widget_set_valign (gw_applet->box, GTK_ALIGN_CENTER);
    else
        gtk_widget_set_halign (gw_applet->box, GTK_ALIGN_CENTER);

    /* Rebuild the applet it's visual area */
    gtk_container_add (GTK_CONTAINER (gw_applet->applet), gw_applet->box);
    gtk_box_pack_start (GTK_BOX (gw_applet->box), gw_applet->image, TRUE, TRUE, 0);
    gtk_box_pack_start (GTK_BOX (gw_applet->box), gw_applet->label, TRUE, TRUE, 0);

    gtk_widget_show_all (GTK_WIDGET (gw_applet->applet));
}

static void change_orient_cb (MatePanelApplet *w, MatePanelAppletOrient o, gpointer data)
{
    MateWeatherApplet *gw_applet = (MateWeatherApplet *)data;

    gw_applet->orient = o;
    place_widgets(gw_applet);
    return;
}

static void size_allocate_cb(MatePanelApplet *w, GtkAllocation *allocation, gpointer data)
{
    guint size;
    MateWeatherApplet *gw_applet = (MateWeatherApplet *)data;

    switch (gw_applet->orient) {
      case MATE_PANEL_APPLET_ORIENT_LEFT:
      case MATE_PANEL_APPLET_ORIENT_RIGHT:
        size = (guint) allocation->width;
        break;

      default:
        size = (guint) allocation->height;
    }

    if (gw_applet->size == size)
      return;

    gw_applet->size = size;
    place_widgets (gw_applet);
}

static gboolean clicked_cb (GtkWidget *widget, GdkEventButton *ev, gpointer data)
{
    MateWeatherApplet *gw_applet = data;

    if ((ev == NULL) || (ev->button != 1))
        return FALSE;

    if (ev->type == GDK_BUTTON_PRESS) {
	if (!gw_applet->details_dialog)
		details_cb (NULL, gw_applet);
	else
		gtk_widget_destroy (GTK_WIDGET (gw_applet->details_dialog));

	return TRUE;
    }

    return FALSE;
}

static gboolean
key_press_cb (GtkWidget *widget, GdkEventKey *event, MateWeatherApplet *gw_applet)
{
	switch (event->keyval) {
	case GDK_KEY_u:
		if (event->state == GDK_CONTROL_MASK) {
			mateweather_update (gw_applet);
			return TRUE;
		}
		break;
	case GDK_KEY_d:
		if (event->state == GDK_CONTROL_MASK) {
			details_cb (NULL, gw_applet);
			return TRUE;
		}
		break;
	case GDK_KEY_KP_Enter:
	case GDK_KEY_ISO_Enter:
	case GDK_KEY_3270_Enter:
	case GDK_KEY_Return:
	case GDK_KEY_space:
	case GDK_KEY_KP_Space:
		details_cb (NULL, gw_applet);
		return TRUE;
	default:
		break;
	}

	return FALSE;

}

static void
network_changed (GNetworkMonitor *monitor, gboolean available, MateWeatherApplet *gw_applet)
{
    if (available) {
        mateweather_update (gw_applet);
    }
}

static void
applet_destroy (GtkWidget *widget, MateWeatherApplet *gw_applet)
{
    GNetworkMonitor *monitor;

    if (gw_applet->pref_dialog)
       gtk_widget_destroy (gw_applet->pref_dialog);

    if (gw_applet->details_dialog)
       gtk_widget_destroy (gw_applet->details_dialog);

    if (gw_applet->timeout_tag != 0) {
       g_source_remove (gw_applet->timeout_tag);
       gw_applet->timeout_tag = 0;
    }

    if (gw_applet->suncalc_timeout_tag != 0) {
       g_source_remove (gw_applet->suncalc_timeout_tag);
       gw_applet->suncalc_timeout_tag = 0;
    }

    if (gw_applet->settings) {
       g_object_unref (gw_applet->settings);
       gw_applet->settings = NULL;
    }

    monitor = g_network_monitor_get_default ();
    g_signal_handlers_disconnect_by_func (monitor,
                                          G_CALLBACK (network_changed),
                                          gw_applet);

    weather_info_abort (gw_applet->mateweather_info);
}

void mateweather_applet_create (MateWeatherApplet *gw_applet)
{
    GtkActionGroup *action_group;
    AtkObject      *atk_obj;
    GNetworkMonitor*monitor;

    gw_applet->mateweather_pref.location = NULL;
    gw_applet->mateweather_pref.show_notifications = FALSE;
    gw_applet->mateweather_pref.update_interval = 1800;
    gw_applet->mateweather_pref.update_enabled = TRUE;
    gw_applet->mateweather_pref.detailed = FALSE;
    gw_applet->mateweather_pref.radar_enabled = TRUE;
    gw_applet->mateweather_pref.temperature_unit = TEMP_UNIT_INVALID;
    gw_applet->mateweather_pref.speed_unit = SPEED_UNIT_INVALID;
    gw_applet->mateweather_pref.pressure_unit = PRESSURE_UNIT_INVALID;
    gw_applet->mateweather_pref.distance_unit = DISTANCE_UNIT_INVALID;

    mate_panel_applet_set_flags (gw_applet->applet, MATE_PANEL_APPLET_EXPAND_MINOR);

    g_set_application_name (_("Weather Report"));

    gtk_window_set_default_icon_name ("weather-storm");

    g_signal_connect (gw_applet->applet, "change_orient",
                      G_CALLBACK (change_orient_cb),
                      gw_applet);

    g_signal_connect (gw_applet->applet, "size_allocate",
                      G_CALLBACK (size_allocate_cb),
                      gw_applet);

    g_signal_connect (gw_applet->applet, "destroy",
                      G_CALLBACK (applet_destroy),
                      gw_applet);

    g_signal_connect (gw_applet->applet, "button_press_event",
                      G_CALLBACK(clicked_cb),
                      gw_applet);

    g_signal_connect (gw_applet->applet, "key_press_event",
                      G_CALLBACK (key_press_cb),
                      gw_applet);

    gtk_widget_set_tooltip_text (GTK_WIDGET(gw_applet->applet), _("MATE Weather"));

    atk_obj = gtk_widget_get_accessible (GTK_WIDGET (gw_applet->applet));
    if (GTK_IS_ACCESSIBLE (atk_obj))
	   atk_object_set_name (atk_obj, _("MATE Weather"));

    gw_applet->size = mate_panel_applet_get_size (gw_applet->applet);

    gw_applet->orient = mate_panel_applet_get_orient (gw_applet->applet);

    action_group = gtk_action_group_new ("MateWeather Applet Actions");
    gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
    gtk_action_group_add_actions (action_group,
				  weather_applet_menu_actions,
				  G_N_ELEMENTS (weather_applet_menu_actions),
				  gw_applet);
    mate_panel_applet_setup_menu_from_resource (gw_applet->applet,
                                                WEATHER_RESOURCE_PATH "mateweather-applet-menu.xml",
                                                action_group);

    if (mate_panel_applet_get_locked_down (gw_applet->applet)) {
	    GtkAction *action;

	    action = gtk_action_group_get_action (action_group, "Props");
	    gtk_action_set_visible (action, FALSE);
    }
    g_object_unref (action_group);

    place_widgets(gw_applet);

    monitor = g_network_monitor_get_default();
    g_signal_connect (monitor, "network-changed",
                      G_CALLBACK (network_changed),
                      gw_applet);
}

gint timeout_cb (gpointer data)
{
    MateWeatherApplet *gw_applet = (MateWeatherApplet *)data;

    mateweather_update(gw_applet);
    return 0;  /* Do not repeat timeout (will be reset by mateweather_update) */
}

static void
update_finish (WeatherInfo *info, gpointer data)
{
    static int gw_fault_counter = 0;
#ifdef HAVE_LIBNOTIFY
    char *message, *detail;
#endif
    MateWeatherApplet *gw_applet = (MateWeatherApplet *)data;

    /* Update timer */
    if (gw_applet->timeout_tag > 0)
        g_source_remove(gw_applet->timeout_tag);
    if (gw_applet->mateweather_pref.update_enabled)
    {
        gint nxtSunEvent;

        gw_applet->timeout_tag
            = g_timeout_add_seconds ((guint) gw_applet->mateweather_pref.update_interval,
                                     timeout_cb, gw_applet);

        if ((info != NULL) && ((nxtSunEvent = weather_info_next_sun_event (info)) >= 0))
        {
            gw_applet->suncalc_timeout_tag
                = g_timeout_add_seconds ((guint) nxtSunEvent,
                                         suncalc_timeout_cb, gw_applet);
        }
    }

    if ((info != NULL) && weather_info_is_valid (info))
    {
        char *s;

        gw_fault_counter = 0;

        /* update tooltip */
        s = weather_info_get_weather_summary (info);
        gtk_widget_set_tooltip_text (GTK_WIDGET (gw_applet->applet), s);
        g_free (s);

        /* Update dialog -- if one is present */
        if (gw_applet->details_dialog)
            mateweather_dialog_update (MATEWEATHER_DIALOG (gw_applet->details_dialog));

        /* update applet */
        place_widgets (gw_applet);

#ifdef HAVE_LIBNOTIFY
        if (gw_applet->mateweather_pref.show_notifications)
        {
		    NotifyNotification *n;

		    /* Show notifications if possible */
	            if (!notify_is_initted ())
	                notify_init (_("Weather Forecast"));

		    if (notify_is_initted ())
		    {
			 GError *error = NULL;
                         const char *icon;

	           	 /* Show notification */
	           	 message = g_strdup_printf ("%s: %s",
					 weather_info_get_location_name (info),
					 weather_info_get_sky (info));
	           	 detail = g_strdup_printf (_("City: %s\nSky: %s\nTemperature: %s"),
			                           weather_info_get_location_name (info),
			                           weather_info_get_sky (info),
			                           weather_info_get_temp_summary (info));

			 icon = weather_info_get_icon_name (gw_applet->mateweather_info);
			 if (icon == NULL)
				 icon = "stock-unknown";

			 n = notify_notification_new (message, detail, icon);

		   	 notify_notification_show (n, &error);
			 if (error)
			 {
				 g_warning ("%s", error->message);
				 g_error_free (error);
			 }

		   	 g_free (message);
		   	 g_free (detail);
		    }
        }
#endif
    } else {
        if (gw_fault_counter >= MAX_CONSECUTIVE_FAULTS) {
            gw_fault_counter = 0;

            /* Update dialog -- if one is present */
            if (gw_applet->details_dialog)
                mateweather_dialog_update (MATEWEATHER_DIALOG (gw_applet->details_dialog));

            /* update applet */
            place_widgets (gw_applet);
        } else {
            /* there has been an error during retrival
             * just update the fault counter
             */
             gw_fault_counter++;
        }
    }
}

gint suncalc_timeout_cb (gpointer data)
{
    WeatherInfo *info = ((MateWeatherApplet *)data)->mateweather_info;
    update_finish(info, data);
    return 0;  /* Do not repeat timeout (will be reset by update_finish) */
}

void mateweather_update (MateWeatherApplet *gw_applet)
{
    WeatherPrefs prefs;

    gtk_widget_set_tooltip_text (GTK_WIDGET(gw_applet->applet),  _("Updating..."));

    /* Set preferred forecast type */
    prefs.type = gw_applet->mateweather_pref.detailed ? FORECAST_ZONE : FORECAST_STATE;

    /* Set radar map retrieval option */
    prefs.radar = gw_applet->mateweather_pref.radar_enabled;
    prefs.radar_custom_url = (gw_applet->mateweather_pref.use_custom_radar_url &&
    				gw_applet->mateweather_pref.radar) ?
				gw_applet->mateweather_pref.radar : NULL;

    /* Set the units */
    prefs.temperature_unit = gw_applet->mateweather_pref.temperature_unit;
    prefs.speed_unit = gw_applet->mateweather_pref.speed_unit;
    prefs.pressure_unit = gw_applet->mateweather_pref.pressure_unit;
    prefs.distance_unit = gw_applet->mateweather_pref.distance_unit;

    /* Update current conditions */
    if (gw_applet->mateweather_info &&
    	weather_location_equal(weather_info_get_location(gw_applet->mateweather_info),
    			       gw_applet->mateweather_pref.location)) {
	weather_info_update(gw_applet->mateweather_info, &prefs,
			    update_finish, gw_applet);
    } else {
        weather_info_free(gw_applet->mateweather_info);
        gw_applet->mateweather_info = weather_info_new(gw_applet->mateweather_pref.location,
						    &prefs,
						    update_finish, gw_applet);
    }
}