git.maemo.org Git - livewp/blob - applet/src/livewp-actor.c

   1 /*vim: set sw=4 ts=4 et: */
   2 /*
   3  * This file is part of Live Wallpaper (livewp)
   4  *
   5  * Copyright (C) 2010 Vlad Vasiliev
   6  * Copyright (C) 2010 Tanya Makova
   7  *       for the code
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This software is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this software; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  22  * 02110-1301 USA
  23 */
  24 /*******************************************************************************/
  25 #include "livewp-actor.h"
  26
  27 static void
  28 realize (GtkWidget *widget)
  29 {
  30     GdkScreen *screen;
  31     screen = gtk_widget_get_screen (widget);
  32     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
  33 }
  34
  35 static gboolean
  36 expose_event (GtkWidget *widget,GdkEventExpose *event,
  37      gpointer data)
  38 {
  39     cairo_t *cr;
  40     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  41
  42     cr = gdk_cairo_create(widget->window);
  43     if (cr){
  44         gdk_cairo_region(cr, event->region);
  45         cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  46         gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
  47         cairo_paint(cr);
  48         cairo_destroy(cr);
  49     }
  50     return TRUE;
  51 }
  52
  53 void
  54 destroy_hildon_actor(Actor *actor)
  55 {
  56     //fprintf(stderr, "destroy_hildon_actor %s\n",actor->name);
  57     gtk_widget_destroy(actor->widget);
  58     actor->widget = NULL;
  59 }
  60
  61 void
  62 create_hildon_actor_text(Actor *actor, AWallpaperPlugin *desktop_plugin)
  63 {
  64   GtkWidget *ha = NULL;
  65   GtkWidget *label = NULL;
  66
  67   ha = hildon_animation_actor_new();
  68   label = gtk_label_new(NULL);
  69
  70   if (label){
  71     //g_signal_connect(G_OBJECT(label), "expose_event", G_CALLBACK(expose_event), NULL);
  72
  73     gtk_container_add (GTK_CONTAINER (ha), label);
  74   }
  75   realize(ha);
  76   gtk_widget_show(label);
  77   gtk_widget_show_all(ha);
  78
  79   /* TO DO check it */
  80   /*  gdk_flush (); */
  81
  82   //g_object_set_data(G_OBJECT(ha), "image", image);
  83   actor->image = label;
  84   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (ha), GTK_WINDOW(desktop_plugin->priv->window));
  85   actor->widget = ha;
  86   set_actor_position(actor, actor->x, actor->y, actor->z, desktop_plugin);
  87   set_actor_scale(actor, (double)actor->scale/100, (double)actor->scale/100);
  88   set_actor_visible(actor, actor->visible);
  89 }
  90
  91 void
  92 create_hildon_actor(Actor *actor, AWallpaperPlugin *desktop_plugin)
  93 {
  94   GtkWidget *ha = NULL;
  95   GdkPixbuf *pixbuf = NULL;
  96   GtkWidget *image = NULL;
  97   gchar     *str = NULL;
  98
  99   ha = hildon_animation_actor_new();
 100   if (!strcmp(actor->name, "original"))
 101       str = g_strdup(actor->filename);
 102   else
 103       str = g_strdup_printf( "%s/%s/%s", THEME_PATH,
 104                         desktop_plugin->priv->theme, actor->filename);
 105   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 106                                              actor->width,
 107                                              actor->height,
 108                                              NULL);
 109   if (str)
 110       g_free(str);
 111   if (pixbuf){
 112       image = gtk_image_new_from_pixbuf (pixbuf);
 113       g_object_unref(G_OBJECT(pixbuf));
 114   }
 115   if (image){
 116     g_signal_connect(G_OBJECT(image), "expose_event",
 117                            G_CALLBACK(expose_event), pixbuf);
 118     gtk_container_add (GTK_CONTAINER (ha), image);
 119   }
 120   realize(ha);
 121   gtk_widget_show_all(ha);
 122
 123   /* TO DO check it */
 124   /*  gdk_flush (); */
 125
 126   //g_object_set_data(G_OBJECT(ha), "image", image);
 127   actor->image = image;
 128   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (ha), GTK_WINDOW(desktop_plugin->priv->window));
 129
 130   actor->widget = ha;
 131   set_actor_position(actor, actor->x, actor->y, actor->z, desktop_plugin);
 132   set_actor_scale(actor, (double)actor->scale/100, (double)actor->scale/100);
 133   set_actor_visible(actor, actor->visible);
 134 }
 135
 136 void
 137 change_hildon_actor(Actor *actor, AWallpaperPlugin *desktop_plugin)
 138 {
 139     GtkWidget *image = NULL;
 140     GdkPixbuf *pixbuf = NULL;
 141     gchar     *str = NULL;
 142
 143     str = g_strdup_printf( "%s/%s/%s", THEME_PATH,
 144                             desktop_plugin->priv->theme, actor->filename);
 145
 146     pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 147                                                actor->width,
 148                                                actor->height,
 149                                                NULL);
 150     if(str)
 151         g_free(str);
 152     if (pixbuf){
 153         image = gtk_image_new_from_pixbuf (pixbuf);
 154         g_object_unref(G_OBJECT(pixbuf));
 155     }
 156     if (image){
 157         g_signal_connect(G_OBJECT(image), "expose_event",
 158                                        G_CALLBACK(expose_event), pixbuf);
 159         //if (g_object_get_data(G_OBJECT(actor->widget), "image")){
 160         if (actor->image){
 161             gtk_container_remove(GTK_CONTAINER(actor->widget), actor->image);
 162         }
 163         //g_object_set_data(G_OBJECT(actor->widget), "image", image);
 164         actor->image = image;
 165         gtk_container_add (GTK_CONTAINER (actor->widget), image);
 166         realize(actor->widget);
 167         gtk_widget_show_all(actor->widget);
 168         /* TO DO check it */
 169        /*  gdk_flush (); */
 170
 171
 172     }
 173 }
 174
 175 Actor*
 176 init_object(AWallpaperPlugin *desktop_plugin,
 177             gchar * name,
 178             gchar * filename,
 179             gint x,
 180             gint y,
 181             gint z,
 182             gint width,
 183             gint height,
 184             gboolean visible,
 185             gboolean load_image,
 186             gint scale,
 187             gint opacity,
 188             void (*pfunc_change)(Actor*),
 189             void (*pfunc_probability)(Actor*),
 190             GPtrArray *child
 191            )
 192 {
 193     Actor *actor = NULL;
 194     actor = g_new0(Actor, 1);
 195     actor->x = x;
 196     actor->y = y;
 197     actor->z = z;
 198     actor->width = width;
 199     actor->height = height;
 200     actor->visible = visible;
 201     actor->scale = scale;
 202     actor->opacity = opacity;
 203     actor->filename = g_strdup(filename);
 204     actor->name = g_strdup(name);
 205     actor->func_change = (gpointer)pfunc_change;
 206     actor->func_probability = (gpointer)pfunc_probability;
 207     actor->child = child;
 208     if (load_image){
 209         create_hildon_actor(actor, desktop_plugin);
 210     }
 211     else
 212          actor->widget = NULL;
 213     actor->time_start_animation = 0;
 214     actor->duration_animation = 0;
 215     return actor;
 216 }
 217
 218 void
 219 destroy_actor(Actor *actor)
 220 {
 221     if (actor){
 222         if (actor->child){
 223             g_ptr_array_free(actor->child, TRUE);
 224         }
 225         if (actor->filename)
 226             g_free(actor->filename);
 227         if (actor->name)
 228             g_free(actor->name);
 229         gtk_widget_destroy(actor->widget);
 230         //actor->widget = NULL;
 231         g_free(actor);
 232     }
 233 }
 234 static gint
 235 path_line(gint x0, gint x1, double t)
 236 {
 237     // уравниение прямой
 238     return ((x1 - x0) * t + x0);
 239 }
 240 void
 241 set_actor_scale(Actor *actor, double scalex, double scaley)
 242 {
 243     hildon_animation_actor_set_scale(
 244             HILDON_ANIMATION_ACTOR(actor->widget),
 245             scalex,
 246             scaley
 247     );
 248
 249 }
 250 void
 251 set_actor_rotation(Actor *actor, gint axis, double degrees, gint x, gint y, gint z)
 252 {
 253     hildon_animation_actor_set_rotation(
 254             HILDON_ANIMATION_ACTOR(actor->widget),
 255             axis,
 256             degrees,
 257             x,
 258             y,
 259             z
 260     );
 261 }
 262 void
 263 set_actor_visible(Actor *actor, gboolean visible)
 264 {
 265     hildon_animation_actor_set_show(HILDON_ANIMATION_ACTOR(actor->widget), visible);
 266 }
 267
 268 void
 269 set_actor_position(Actor *actor, gint x, gint y, gint z, AWallpaperPlugin *desktop_plugin)
 270 {
 271     //fprintf(stderr, "set actor position %d, %d, %d\n", x, y, z);
 272     hildon_animation_actor_set_position_full(HILDON_ANIMATION_ACTOR (actor->widget),
 273                                              x-desktop_plugin->priv->xapplet,
 274                                              y-desktop_plugin->priv->yapplet,
 275                                              z);
 276 }
 277
 278 int get_notify_count(gchar *notify_type)
 279 {
 280     sqlite3 *db = NULL;
 281     sqlite3_stmt *res = NULL;
 282     gint rc = 0, result = 0;
 283     gchar sql[1024];
 284
 285     rc = sqlite3_open("/home/user/.config/hildon-desktop/notifications.db", &db);
 286     if (rc){
 287         fprintf(stderr, "error open db %d %s\n", rc, sqlite3_errmsg(db));
 288     }else {
 289         snprintf(sql, sizeof(sql)-1, "select count(id) from notifications where icon_name='%s'", notify_type);
 290         rc = sqlite3_prepare(db, sql, sizeof(sql)-1, &res, NULL);
 291         if (rc != SQLITE_OK){
 292             fprintf(stderr, "error prepare %d %s\n", rc, sql);
 293         }
 294         if (sqlite3_step(res) != SQLITE_ROW){
 295             fprintf(stderr, "not sqlite_row\n");
 296         }
 297         result = sqlite3_column_int(res, 0);
 298         //fprintf(stderr, "count missing calls = %d\n", call_count);
 299         sqlite3_finalize(res);
 300
 301         sqlite3_close(db);
 302     }
 303     return result;
 304 }
 305 gchar * read_notification()
 306 {
 307     gchar *message = "";
 308     gint count = 0;
 309
 310     fprintf(stderr, "read notification \n");
 311     count = get_notify_count("general_missed");
 312     if (count > 0){
 313         message = g_strdup_printf("%s: %d", _("Missed calls"), count);
 314     }
 315     count = get_notify_count("general_sms");
 316     if (count > 0){
 317         if (message){
 318             message = g_strdup_printf("%s \n%s: %d", message, _("Missed sms"), count);
 319         }else {
 320             message = g_strdup_printf("%s: %d", _("Missed sms"), count);
 321         }
 322     }
 323     count = get_notify_count("general_chat");
 324     if (count > 0){
 325         if (message){
 326             message = g_strdup_printf("%s \n%s: %d", message, _("Missed chat"), count);
 327         }else {
 328             message = g_strdup_printf("%s: %d", _("Missed chat"), count);
 329         }
 330     }
 331     count = get_notify_count("qgn_list_messagin");
 332     if (count > 0){
 333         if (message){
 334             message = g_strdup_printf("%s \n%s: %d", message, _("Missed mail"), count);
 335         }else {
 336             message = g_strdup_printf("%s: %d", _("Missed mail"), count);
 337         }
 338     }
 339     fprintf(stderr, "notify=%s\n", message);
 340     return message;
 341 }
 342
 343 void
 344 change_obj(Actor *actor, AWallpaperPlugin *desktop_plugin)
 345 {
 346     char * accel_filename = "/sys/class/i2c-adapter/i2c-3/3-001d/coord";
 347     //char * accel_filename = "/home/tanya/coord";
 348
 349     FILE *fd = NULL;
 350     int rs, ax, ay, az, dx, dy;
 351     fd = fopen(accel_filename, "r");
 352     if (fd == NULL){
 353         fprintf(stderr, "cannot open file\n");
 354         return;
 355     }
 356     rs = fscanf((FILE*)fd, "%i %i %i", &ax, &ay, &az);
 357     fclose(fd);
 358     if (rs != 3){
 359         fprintf(stderr, "cannot read information from file\n");
 360         return;
 361     }
 362
 363     fprintf(stderr, "change obj %i %i %i\n", ax, ay, az);
 364     dx = -ax / 100;
 365     dy = -ay / 100;
 366
 367     actor->x = actor->x + dx;
 368     actor->y = actor->y + dy;
 369
 370     if (actor->x > 800) actor->x = 0;
 371     if (actor->x < 0) actor->x = 800;
 372
 373     if (actor->y > 480) actor->y = 0;
 374     if (actor->y < 0) actor->y = 480;
 375
 376     set_actor_position(actor, actor->x, actor->y, actor->z, desktop_plugin);
 377
 378
 379 }
 380
 381 void
 382 change_billboard(Actor * actor, AWallpaperPlugin *desktop_plugin)
 383 {
 384     gint count = 0;
 385     Actor *a = NULL;
 386
 387     //fprintf(stderr, "change_billboard\n");
 388
 389     if (desktop_plugin->priv->scene->notification < time(NULL)){
 390         count = get_notify_count("general_missed");
 391         a = g_ptr_array_index(actor->child, 0);
 392         if (count > 0){
 393             set_actor_visible(a, TRUE);
 394         }else {
 395             set_actor_visible(a, FALSE);
 396         }
 397         count = get_notify_count("general_sms");
 398         a = g_ptr_array_index(actor->child, 3);
 399         if (count > 0){
 400             set_actor_visible(a, TRUE);
 401         }else {
 402             set_actor_visible(a, FALSE);
 403         }
 404         count = get_notify_count("general_chat");
 405         a = g_ptr_array_index(actor->child, 1);
 406         if (count > 0){
 407             set_actor_visible(a, TRUE);
 408         }else {
 409             set_actor_visible(a, FALSE);
 410         }
 411         count = get_notify_count("qgn_list_messagin");
 412         a = g_ptr_array_index(actor->child, 2);
 413         if (count > 0){
 414             set_actor_visible(a, TRUE);
 415         }else {
 416             set_actor_visible(a, FALSE);
 417         }
 418
 419         desktop_plugin->priv->scene->notification = FALSE;
 420     }
 421     actor->time_start_animation = time(NULL) + 20;
 422 }
 423
 424 #if 0
 425 void
 426 change_billboard1(Actor * actor, AWallpaperPlugin *desktop_plugin)
 427 {
 428     GtkWidget *label;
 429     sqlite3 *db = NULL;
 430     sqlite3_stmt *res = NULL;
 431     gchar *errMsg = NULL, *message;
 432     gchar sql[1024];
 433     gint call_count=0, sms_count=0, rc=0;
 434     GtkListStore *list = NULL;
 435     PangoFontDescription *pfd = NULL;
 436
 437     rc = sqlite3_open("/home/user/.rtcom-eventlogger/el.db", &db);
 438     if (rc){
 439         fprintf(stderr, "error open db %d %s\n", rc, sqlite3_errmsg(db));
 440     }else {
 441         snprintf(sql, sizeof(sql)-1, "select count(id) from Events where event_type_id=%d", 3);
 442
 443         rc = sqlite3_prepare(db, sql, sizeof(sql)-1, &res, NULL);
 444         if (rc != SQLITE_OK){
 445             fprintf(stderr, "error prepare %d %s\n", rc, sql);
 446         }
 447         if (sqlite3_step(res) != SQLITE_ROW){
 448             fprintf(stderr, "not sqlite_row\n");
 449         }
 450         call_count = sqlite3_column_int(res, 0);
 451         //fprintf(stderr, "count missing calls = %d\n", call_count);
 452         sqlite3_finalize(res);
 453
 454         snprintf(sql, sizeof(sql)-1, "select count(id) from Events where event_type_id=%d and is_read=%d", 7, 0);
 455         rc = sqlite3_prepare(db, sql, sizeof(sql)-1, &res, NULL);
 456         if (rc != SQLITE_OK){
 457             fprintf(stderr, "error prepare %d %s\n", rc, sql);
 458         }
 459         if (sqlite3_step(res) != SQLITE_ROW){
 460             fprintf(stderr, "not sqlite_row\n");
 461         }
 462         sms_count = sqlite3_column_int(res, 0);
 463         //fprintf(stderr, "count sms = %d\n", sms_count);
 464         sqlite3_finalize(res);
 465
 466
 467         sqlite3_close(db);
 468     }
 469     label = actor->image;
 470     message = g_markup_printf_escaped("<span bgcolor=\"%s\" foreground=\"%s\">Missed calls: %d Unread sms: %d</span>", "#FFFFFF", "#000000", call_count, sms_count);
 471     gtk_label_set_markup(GTK_LABEL(label), message);
 472     g_free(message);
 473     pfd = pango_font_description_from_string("Sans 14");
 474     gtk_widget_modify_font(GTK_WIDGET(label), NULL);
 475     gtk_widget_modify_font(GTK_WIDGET(label), pfd);
 476     pango_font_description_free(pfd);
 477     actor->time_start_animation = time(NULL) + 20;
 478 }
 479 #endif
 480
 481 void
 482 change_moon(Actor * actor, AWallpaperPlugin *desktop_plugin)
 483 {
 484     gint phase;
 485     char *newfile;
 486     gint x0 = 150,
 487          x1 = 650,
 488          x, y;
 489     struct timeval tvb;
 490     suseconds_t ms;
 491     long sec;
 492     double t;
 493 #if 0
 494     gint y0, y1, x2, y2;
 495     double a, b, c;
 496     a = (double)(y2 - (double)(x2*(y1-y0) + x1*y0 - x0*y1)/(x1-x0))/(x2*(x2-x0-x1)+x0*x1);
 497     b = (double)(y1-y0)/(x1-x0) - (double)a*(x0+x1);
 498     c = (double)(x1*y0 - x0*y1)/(x1-x0) + (double)a*x0*x1;
 499     fprintf(stderr, "a=%f, b=%f, c=%f\n", a, b, c);
 500 #endif
 501     gettimeofday(&tvb, NULL);
 502
 503     ms = tvb.tv_usec;
 504     sec = tvb.tv_sec;
 505
 506     if (actor){
 507         if (desktop_plugin->priv->scene->daytime == TIME_NIGHT){
 508             if (!actor->visible){
 509                 actor->visible = TRUE;
 510                 phase = get_moon_phase();
 511                 newfile = g_strdup_printf( "%s%d.png", actor->name, phase);
 512                 if (actor->filename)
 513                     g_free(actor->filename);
 514                 actor->filename = newfile;
 515                 actor->time_start_animation = sec - fast_rnd(60 * 60);
 516                 actor->duration_animation = 1 * 60 * 60;
 517                 create_hildon_actor(actor, desktop_plugin);
 518
 519             }
 520             t = (double)((double)sec+(double)ms/1000000 - actor->time_start_animation) / actor->duration_animation;
 521             if (t <= 1)
 522                 x = path_line(x0, x1, t);
 523             else
 524                 x = path_line(x1, x0, t-1);
 525             y = 0.001920*x*x - 1.536*x + 337.2;
 526             //y = a*x*x + b*x + c;
 527
 528             set_actor_position(actor, x, y, actor->z, desktop_plugin);
 529
 530             if (t>=2){
 531                 actor->time_start_animation = sec;
 532             }
 533
 534          }else if (actor->visible){
 535             actor->visible = FALSE;
 536             fprintf(stderr, "destroy moon \n");
 537             destroy_hildon_actor(actor);
 538             actor->time_start_animation = 0;
 539         }
 540     }
 541
 542 }
 543
 544 void
 545 change_sun(Actor * actor, AWallpaperPlugin *desktop_plugin)
 546 {
 547     double alt, azm;
 548     gint x, y;
 549
 550     //fprintf(stderr, "change sun\n");
 551     if (actor){
 552         if (desktop_plugin->priv->scene->daytime != TIME_NIGHT){
 553             if (!actor->visible){
 554                 actor->visible = TRUE;
 555                 create_hildon_actor(actor, desktop_plugin);
 556             }
 557             get_sun_pos(&alt, &azm);
 558             get_sun_screen_pos(alt, azm, &x, &y);
 559             actor->x = x;
 560             actor->y = y;
 561             set_actor_position(actor, x, y, actor->z, desktop_plugin);
 562             actor->time_start_animation = time(NULL) + 60;
 563          }else if (actor->visible){
 564             actor->visible = FALSE;
 565             destroy_hildon_actor(actor);
 566             actor->time_start_animation = 0;
 567         }
 568     }
 569
 570 }
 571
 572 void
 573 change_tram(Actor * actor, AWallpaperPlugin *desktop_plugin)
 574 {
 575     gint x0 = -300, y0 = 225, scale0 = 100,
 576          x1 = 800, y1 = 162, scale1 = 130,
 577          x, y, scale;
 578     struct timeval tvb;
 579     suseconds_t ms;
 580     long sec;
 581     double t;
 582
 583     //fprintf(stderr, "change tram\n");
 584     gettimeofday(&tvb, NULL);
 585
 586     ms = tvb.tv_usec;
 587     sec = tvb.tv_sec;
 588
 589     if (!actor->visible){
 590         actor->visible = TRUE;
 591         if (desktop_plugin->priv->scene->daytime == TIME_NIGHT){
 592             if (actor->filename)
 593                 g_free(actor->filename);
 594             actor->filename = g_strdup("tram_dark.png");
 595         } else{
 596             if (actor->filename)
 597                 g_free(actor->filename);
 598             actor->filename = g_strdup("tram.png");
 599         }
 600         create_hildon_actor(actor, desktop_plugin);
 601     }
 602     t = (double)((double)sec+(double)ms/1000000 - actor->time_start_animation) / actor->duration_animation;
 603     x = path_line(x0, x1, t);
 604     y = path_line(y0, y1, t);
 605     scale = path_line(scale0, scale1, t);
 606     set_actor_position(actor, x, y, actor->z, desktop_plugin);
 607     set_actor_scale(actor, (double)scale/100, (double)scale/100);
 608     if (t >= 1){
 609         /* stop animation */
 610         actor->visible = FALSE;
 611         destroy_hildon_actor(actor);
 612         actor->time_start_animation = sec + fast_rnd(60);
 613     }
 614 }
 615
 616 void
 617 change_plane1(Actor *actor, AWallpaperPlugin *desktop_plugin)
 618 {
 619     gint x0 = 620, y0 = 233,
 620          x1 = 79, y1 = -146,
 621          x, y;
 622     struct timeval tvb;
 623     suseconds_t ms;
 624     long sec;
 625     double t;
 626
 627     gettimeofday(&tvb, NULL);
 628
 629     ms = tvb.tv_usec;
 630     sec = tvb.tv_sec;
 631 //    fprintf(stderr, "1 %f - %d\n", sec+(double)ms/100000, now);
 632
 633     if (desktop_plugin->priv->scene->daytime != TIME_NIGHT){
 634         if (actor->time_start_animation == 0){
 635             actor->time_start_animation = sec + fast_rnd(180);
 636             return;
 637         }
 638     }
 639     if (!actor->visible){
 640         actor->visible = TRUE;
 641         create_hildon_actor(actor, desktop_plugin);
 642     }
 643     t = (double)((double)sec+(double)ms/1000000 - actor->time_start_animation) / actor->duration_animation;
 644     x = path_line(x0, x1, t);
 645     y = path_line(y0, y1, t);
 646     //scale = path_line(scale0, scale1, t);
 647     set_actor_position(actor, x, y, actor->z, desktop_plugin);
 648     if (t >= 1){
 649         /* stop animation */
 650         actor->visible = FALSE;
 651         destroy_hildon_actor(actor);
 652         if (desktop_plugin->priv->scene->daytime == TIME_NIGHT)
 653             actor->time_start_animation = 0;
 654         else
 655             actor->time_start_animation = sec + fast_rnd(180);
 656     }
 657
 658 }
 659
 660 void
 661 change_plane2(Actor *actor, AWallpaperPlugin *desktop_plugin)
 662 {
 663     gint x0 = -actor->width, y0 = 45,
 664          x1 = 800, y1 = 20,
 665          x, y;
 666     struct timeval tvb;
 667     suseconds_t ms;
 668     long sec;
 669     double t;
 670
 671     gettimeofday(&tvb, NULL);
 672
 673     ms = tvb.tv_usec;
 674     sec = tvb.tv_sec;
 675 //    fprintf(stderr, "1 %f - %d\n", sec+(double)ms/100000, now);
 676     if (desktop_plugin->priv->scene->daytime != TIME_NIGHT){
 677         if (actor->time_start_animation == 0){
 678             actor->time_start_animation = sec + fast_rnd(180);
 679             return;
 680         }
 681     }
 682     if (!actor->visible){
 683         actor->visible = TRUE;
 684         create_hildon_actor(actor, desktop_plugin);
 685     }
 686
 687     t = (double)((double)sec+(double)ms/1000000 - actor->time_start_animation) / actor->duration_animation;
 688     x = path_line(x0, x1, t);
 689     y = path_line(y0, y1, t);
 690     //scale = path_line(scale0, scale1, t);
 691     set_actor_position(actor, x, y, actor->z, desktop_plugin);
 692     if (t >= 1){
 693         /* stop animation */
 694         actor->visible = FALSE;
 695         destroy_hildon_actor(actor);
 696         if (desktop_plugin->priv->scene->daytime == TIME_NIGHT)
 697             actor->time_start_animation = 0;
 698         else
 699             actor->time_start_animation = sec + fast_rnd(180);
 700     }
 701
 702 }
 703
 704 void
 705 change_cloud(Actor *actor, AWallpaperPlugin *desktop_plugin)
 706 {
 707     gint x0, y0 = 300, scale0 = 100,
 708          x1, y1 = -actor->height, scale1 = 150,
 709          x, y, scale;
 710     struct timeval tvb;
 711     suseconds_t ms;
 712     long sec;
 713     double t;
 714     gchar *newfile;
 715
 716     //fprintf(stderr, "change cloud\n");
 717     gettimeofday(&tvb, NULL);
 718
 719     ms = tvb.tv_usec;
 720     sec = tvb.tv_sec;
 721
 722     if (!actor->visible){
 723         actor->visible = TRUE;
 724         if (desktop_plugin->priv->scene->daytime == TIME_NIGHT){
 725             newfile = g_strdup_printf("%s_dark.png", actor->name);
 726         }else{
 727             newfile = g_strdup_printf("%s.png", actor->name);
 728         }
 729         if (actor->filename)
 730             g_free(actor->filename);
 731         actor->filename = newfile;
 732
 733         create_hildon_actor(actor, desktop_plugin);
 734     }
 735     t = (double)((double)sec+(double)ms/1000000 - actor->time_start_animation) / actor->duration_animation;
 736
 737     if (desktop_plugin->priv->scene->wind_orientation == 1){
 738         x0 = -actor->width;
 739         x1 = 800;
 740     }
 741     else {
 742         x0 = 800;
 743         x1 = -actor->width;
 744     }
 745
 746     x = path_line(x0, x1, t);
 747     y = -desktop_plugin->priv->scene->wind_angle * (x - x0) + actor->y;
 748     scale = path_line(scale0, scale1, (double)(y - y0)/(y1 - y0));
 749
 750     set_actor_position(actor, x, y, actor->z, desktop_plugin);
 751     set_actor_scale(actor, (double)scale/100, (double)scale/100);
 752     if ((y < y1 || y > y0) || t >= 1){
 753         /* stop animation */
 754         actor->visible = FALSE;
 755         destroy_hildon_actor(actor);
 756         actor->time_start_animation = sec + fast_rnd(300);
 757         actor->y = fast_rnd(300);
 758     }
 759
 760 }
 761
 762 void
 763 change_wind(Actor *actor, AWallpaperPlugin *desktop_plugin)
 764 {
 765     desktop_plugin->priv->scene->wind_orientation = fast_rnd(2);
 766     if (desktop_plugin->priv->scene->wind_orientation == 0) desktop_plugin->priv->scene->wind_orientation = -1;
 767     desktop_plugin->priv->scene->wind_angle = (double)(fast_rnd(200) - 100) / 100;
 768     actor->time_start_animation = time(NULL) + (fast_rnd(10) + 10) * 60;
 769     //fprintf(stderr, "change wind orient = %d angle = %f after = %d\n", scene.wind_orientation, scene.wind_angle, actor->time_start_animation-time(NULL));
 770 }
 771
 772 void
 773 change_window1(Actor * actor, AWallpaperPlugin *desktop_plugin)
 774 {
 775     gint now = time(NULL);
 776     if (desktop_plugin->priv->scene->daytime == TIME_DAY){
 777         if (actor->widget){
 778             actor->visible = FALSE;
 779             destroy_hildon_actor(actor);
 780         }
 781         actor->time_start_animation = 0;
 782         return;
 783     }else {
 784         if (!actor->widget)
 785             create_hildon_actor(actor, desktop_plugin);
 786         if (actor->time_start_animation == 0){
 787             actor->time_start_animation = now + fast_rnd(30);
 788             return;
 789         }
 790     }
 791
 792     if (!actor->visible)
 793         actor->visible = TRUE;
 794     else
 795         actor->visible = FALSE;
 796     set_actor_visible(actor, actor->visible);
 797     actor->time_start_animation = now + fast_rnd(60) + 10;
 798
 799 }
 800
 801 void
 802 change_signal(Actor * actor, AWallpaperPlugin *desktop_plugin)
 803 {
 804     gint now = time(NULL);
 805     Actor *a;
 806     a = g_ptr_array_index(actor->child, 0);
 807     if (a->visible)
 808         a->visible = FALSE;
 809     else
 810         a->visible = TRUE;
 811     set_actor_visible(a, a->visible);
 812
 813     a = g_ptr_array_index(actor->child, 1);
 814     if (a->visible)
 815         a->visible = FALSE;
 816     else
 817         a->visible = TRUE;
 818     set_actor_visible(a, a->visible);
 819
 820     actor->time_start_animation = now + fast_rnd(30) + 10;
 821 }
 822
 823 void
 824 change_tape(Actor *actor, AWallpaperPlugin *desktop_plugin)
 825 {
 826     gint x, y, i;
 827     Actor *a;
 828
 829     if (!desktop_plugin->priv->rich_animation) return;
 830
 831     char * accel_filename = "/sys/class/i2c-adapter/i2c-3/3-001d/coord";
 832     //char * accel_filename = "/home/tanya/coord";
 833
 834     FILE *fd = NULL;
 835     int rs, ax, ay, az;
 836     fd = fopen(accel_filename, "r");
 837     if (fd == NULL){
 838         //fprintf(stderr, "cannot open file\n");
 839         fd = fopen("/home/user/coord", "r");
 840     }
 841     rs = fscanf((FILE*)fd, "%i %i %i", &ax, &ay, &az);
 842     fclose(fd);
 843     if (rs != 3){
 844         fprintf(stderr, "cannot read information from file\n");
 845         return;
 846
 847     }
 848
 849     //fprintf(stderr, "change obj %i %i %i angle rad=%f, deg=%f\n", ax, ay, az, atan2(ax, -ay), atan2(ax, -ay)*180/M_PI);
 850     int ang = (int)floor(atan2(ay, ax)*180/M_PI);
 851     if (ang < 0) ang = 360+ang;
 852
 853     if (!desktop_plugin->priv->rich_animation) return;
 854
 855     for (i=0; i<16; i++){
 856         a = g_ptr_array_index(actor->child, i);
 857         if (a->scale == 100) a->scale = ang;
 858         if (abs(a->scale - ang) > 10){
 859             if (a->scale > ang){
 860                 if ((a->scale - ang) < (ang + (360-a->scale))) a->scale--;
 861                 else a->scale++;
 862             }
 863             if (a->scale < ang) {
 864                 if (ang - a->scale < (a->scale+(360-ang))) a->scale++;
 865                 else a->scale--;
 866             }
 867             if (a->scale > 360) a->scale = 0;
 868             if (a->scale < 0) a->scale = 360;
 869         }
 870
 871         x = a->x - (float)cos(a->scale*M_PI/180)*a->z;
 872         y = a->y - (float)sin(a->scale*M_PI/180)*a->z;
 873         //x = round(a->x - (float)cos(a->scale*M_PI/180)*a->z);
 874         //y = round(a->y - (float)sin(a->scale*M_PI/180)*a->z);
 875         //x = a->x - cos(angle)*a->z;
 876         //y = a->y - sin(angle)*a->z;
 877         if ((a->scale > 270 || a->scale < 90) && x < -a->width*cos(a->scale*M_PI/180)){
 878             x = 800;
 879             y = fast_rnd(480);
 880         }
 881         if ((a->scale > 90 && a->scale < 270) && x > 800 - a->width*cos(a->scale*M_PI/180)){
 882             x = 0;
 883             y = fast_rnd(480);
 884         }
 885         if (a->scale > 0 && a->scale < 180 && y < -a->width*sin(a->scale*M_PI/180)){
 886             y = 480;
 887             x = fast_rnd(800);
 888         }
 889         if (a->scale < 360 && a->scale > 180 && y > 480 - a->width*sin(a->scale*M_PI/180)){
 890             y = 0;
 891             x = fast_rnd(800);
 892         }
 893         //if (i ==0) fprintf(stderr, "x=%d y=%d ang=%d speed=%d\n", x, y, a->scale, a->z);
 894         set_actor_rotation(a, HILDON_AA_Z_AXIS, a->scale, 0, 0, 0);
 895         set_actor_position(a, x, y, a->z, desktop_plugin);
 896         a->x = x;
 897         a->y = y;
 898     }
 899
 900 }
 901
 902 void
 903 change_layer(Actor * actor, AWallpaperPlugin *desktop_plugin)
 904 {
 905     gint y, speed1 = 8, speed2 = 16;
 906     Actor *a;
 907
 908     if (!desktop_plugin->priv->rich_animation) return;
 909
 910     a = g_ptr_array_index(actor->child, 0);
 911     y = a->y + speed1;
 912     if (y > 480) y = -480;
 913     set_actor_position(a, a->x, y, a->z, desktop_plugin);
 914     a->y = y;
 915
 916     a = g_ptr_array_index(actor->child, 1);
 917     y = a->y + speed1;
 918     if (y > 480) y = -480;
 919     set_actor_position(a, a->x, y, a->z, desktop_plugin);
 920     a->y = y;
 921
 922     a = g_ptr_array_index(actor->child, 2);
 923     y = a->y + speed2;
 924     if (y > 480) y = -480;
 925     set_actor_position(a, a->x, y, a->z, desktop_plugin);
 926     a->y = y;
 927
 928     a = g_ptr_array_index(actor->child, 3);
 929     y = a->y + speed2;
 930     if (y > 480) y = -480;
 931     set_actor_position(a, a->x, y, a->z, desktop_plugin);
 932     a->y = y;
 933 }
 934
 935 void
 936 change_static_actor(Actor * actor, AWallpaperPlugin *desktop_plugin)
 937 {
 938     gchar *newfile;
 939     newfile = g_strdup_printf("%s%d.png", actor->name, desktop_plugin->priv->scene->daytime);
 940     if (actor->filename)
 941             g_free(actor->filename);
 942     actor->filename = newfile;
 943     change_hildon_actor(actor, desktop_plugin);
 944 }
 945
 946 void
 947 change_static_actor_with_corner(Actor * actor, AWallpaperPlugin *desktop_plugin)
 948 {
 949     gchar buffer[2048];
 950
 951     if (desktop_plugin->priv->right_corner)
 952         gtk_widget_destroy(desktop_plugin->priv->right_corner);
 953     snprintf(buffer, sizeof(buffer) - 1, "%s/%s/town%i_right_corner.png", \
 954                                   THEME_PATH, desktop_plugin->priv->theme, desktop_plugin->priv->scene->daytime);
 955     desktop_plugin->priv->right_corner = gtk_image_new_from_file (buffer);
 956     if (desktop_plugin->priv->right_corner){
 957         gtk_fixed_put(GTK_FIXED(desktop_plugin->priv->main_widget), desktop_plugin->priv->right_corner, 0, 0);
 958         gtk_widget_show (desktop_plugin->priv->right_corner);
 959     }
 960     change_static_actor(actor, desktop_plugin);
 961
 962 }