vcs.maemo.org Git - livewp/blob - applet/src/livewp-home-widget.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 Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 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-common.h"
  26 #include "livewp-home-widget.h"
  27 #include <gconf/gconf-client.h>
  28 #include "livewp-rules.h"
  29 #include "livewp-scene.h"
  30 #include <sys/time.h>
  31 #include <stdlib.h>
  32
  33 #define PLUGIN_NAME "livewp-home-widget.desktop-0"
  34 #define GCONF_KEY_POSITION "/apps/osso/hildon-desktop/applets/%s/position"
  35 #define GCONF_KEY_MODIFIED "/apps/osso/hildon-desktop/applets/%s/modified"
  36 #define GCONF_KEY_VIEW     "/apps/osso/hildon-desktop/applets/%s/view"
  37
  38 HD_DEFINE_PLUGIN_MODULE (AWallpaperPlugin, animation_wallpaper_plugin, HD_TYPE_HOME_PLUGIN_ITEM)
  39 #define Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE (obj,\
  40                                                           Animation_Wallpaper_TYPE_HOME_PLUGIN,\
  41                                                           Animation_WallpaperPrivate))
  42 static void
  43 lw_applet_realize (GtkWidget *widget)
  44 {
  45       GdkScreen *screen;
  46
  47       screen = gtk_widget_get_screen (widget);
  48       gtk_widget_set_colormap (widget,
  49                                 gdk_screen_get_rgba_colormap (screen));
  50       gtk_widget_set_app_paintable (widget,
  51                                 TRUE);
  52       GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->realize (widget);
  53 }
  54
  55
  56 static gboolean
  57 lw_applet_expose_event(GtkWidget      *widget,
  58                                         GdkEventExpose *event)
  59 {
  60   cairo_t *cr;
  61
  62   /* Create cairo context */
  63   cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
  64   gdk_cairo_region (cr, event->region);
  65   cairo_clip (cr);
  66
  67   /* Draw alpha background */
  68   cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  69   cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0);
  70   cairo_paint (cr);
  71
  72   /* Free context */
  73   cairo_destroy (cr);
  74
  75   return GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->expose_event (widget,
  76                                                                                   event);
  77 }
  78
  79 static gboolean
  80 expose_event (GtkWidget *widget,GdkEventExpose *event,
  81      gpointer data)
  82 {
  83     cairo_t *cr;
  84     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  85
  86     cr = gdk_cairo_create(widget->window);
  87     if (cr){
  88         gdk_cairo_region(cr, event->region);
  89         cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  90         gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
  91         cairo_paint(cr);
  92         cairo_destroy(cr);
  93     }
  94     return TRUE;
  95 }
  96
  97 static void
  98 realize (GtkWidget *widget)
  99 {
 100     GdkScreen *screen;
 101     screen = gtk_widget_get_screen (widget);
 102     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
 103 }
 104 /* Set position of widget on desktop */
 105 static void
 106 init_applet_position(gint *xapplet, gint *yapplet)
 107 {
 108   GSList *position = NULL;
 109   gchar *position_key;
 110   gchar *modified_key;
 111   gchar *modified;
 112   GError *error = NULL;
 113   GConfClient   *gconf_client = gconf_client_get_default ();
 114   position_key = g_strdup_printf (GCONF_KEY_POSITION, PLUGIN_NAME);
 115   position = gconf_client_get_list (gconf_client,
 116                                     position_key,
 117                                     GCONF_VALUE_INT,
 118                                     NULL);
 119   if (position && position->data && position->next->data){
 120         *xapplet = GPOINTER_TO_INT (position->data);
 121         *yapplet = GPOINTER_TO_INT (position->next->data);
 122   }else{
 123         position = g_slist_prepend (g_slist_prepend (NULL,
 124                                       GINT_TO_POINTER (Ystartposition)),
 125                                       GINT_TO_POINTER (Xstartposition));
 126         gconf_client_set_list (gconf_client,
 127                                position_key,
 128                                GCONF_VALUE_INT,
 129                                position,
 130                                &error);
 131         *xapplet = Xstartposition;
 132         *yapplet = Ystartposition;
 133   }
 134   g_free (position_key);
 135   modified = g_strdup_printf ("%i", 0);
 136   modified_key = g_strdup_printf (GCONF_KEY_MODIFIED, PLUGIN_NAME);
 137   gconf_client_set_string (gconf_client,
 138                            modified_key,
 139                            modified,
 140                            &error);
 141   g_free(modified);
 142   g_free(modified_key);
 143   gconf_client_clear_cache(gconf_client);
 144   g_object_unref(gconf_client);
 145 }
 146 #if 0
 147 void
 148 actor_set_position_full(GtkWidget *actor, gint x, gint y, gint z)
 149 {
 150 /*  fprintf(stderr, "actor_set_position_full z=%d\n", z); */
 151     hildon_animation_actor_set_position_full (HILDON_ANIMATION_ACTOR (actor),x-0, y-0, z);
 152 }
 153 #endif
 154
 155 void
 156 destroy_hildon_actor(Actor *actor)
 157 {
 158     //fprintf(stderr, "destroy_hildon_actor %s\n",actor->name);
 159     gtk_widget_destroy(actor->widget);
 160     actor->widget = NULL;
 161 }
 162
 163 void
 164 create_hildon_actor_text(Actor *actor, AWallpaperPlugin *desktop_plugin)
 165 {
 166   GtkWidget *ha = NULL;
 167   GdkPixbuf *pixbuf = NULL;
 168   GtkWidget *image = NULL;
 169   GtkWidget *label = NULL;
 170
 171   ha = hildon_animation_actor_new();
 172   label = gtk_label_new(NULL);
 173
 174   if (label){
 175     //g_signal_connect(G_OBJECT(label), "expose_event", G_CALLBACK(expose_event), NULL);
 176
 177     gtk_container_add (GTK_CONTAINER (ha), label);
 178   }
 179   realize(ha);
 180   gtk_widget_show(label);
 181   gtk_widget_show_all(ha);
 182
 183   /* TO DO check it */
 184   /*  gdk_flush (); */
 185
 186   //g_object_set_data(G_OBJECT(ha), "image", image);
 187   actor->image = label;
 188   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (ha), GTK_WINDOW(desktop_plugin));
 189   actor->widget = ha;
 190   set_actor_position(actor, actor->x, actor->y, actor->z, desktop_plugin);
 191   set_actor_scale(actor, (double)actor->scale/100, (double)actor->scale/100);
 192   set_actor_visible(actor, actor->visible);
 193 }
 194
 195
 196
 197 void
 198 create_hildon_actor(Actor *actor, AWallpaperPlugin *desktop_plugin)
 199 {
 200   GtkWidget *ha = NULL;
 201   GdkPixbuf *pixbuf = NULL;
 202   GtkWidget *image = NULL;
 203   gchar     *str = NULL;
 204
 205   ha = hildon_animation_actor_new();
 206   str = g_strdup_printf( "%s/%s/%s", THEME_PATH,
 207                         desktop_plugin->priv->theme, actor->filename);
 208   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 209                                              actor->width,
 210                                              actor->height,
 211                                              NULL);
 212   /*fprintf(stderr, "create_hildon_actor %s %s\n", actor->name, str);*/
 213   if (str)
 214       g_free(str);
 215   if (pixbuf){
 216       image = gtk_image_new_from_pixbuf (pixbuf);
 217       g_object_unref(G_OBJECT(pixbuf));
 218   }
 219   if (image){
 220     g_signal_connect(G_OBJECT(image), "expose_event",
 221                            G_CALLBACK(expose_event), pixbuf);
 222     gtk_container_add (GTK_CONTAINER (ha), image);
 223   }
 224   realize(ha);
 225   gtk_widget_show_all(ha);
 226
 227   /* TO DO check it */
 228   /*  gdk_flush (); */
 229
 230   //g_object_set_data(G_OBJECT(ha), "image", image);
 231   actor->image = image;
 232   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (ha), GTK_WINDOW(desktop_plugin));
 233
 234   actor->widget = ha;
 235   set_actor_position(actor, actor->x, actor->y, actor->z, desktop_plugin);
 236   set_actor_scale(actor, (double)actor->scale/100, (double)actor->scale/100);
 237   set_actor_visible(actor, actor->visible);
 238 }
 239
 240
 241 void
 242 change_hildon_actor(Actor *actor, AWallpaperPlugin *desktop_plugin)
 243 {
 244     GtkWidget *image = NULL;
 245     GdkPixbuf *pixbuf = NULL;
 246     gchar     *str = NULL;
 247
 248     str = g_strdup_printf( "%s/%s/%s", THEME_PATH,
 249                             desktop_plugin->priv->theme, actor->filename);
 250
 251     pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 252                                                actor->width,
 253                                                actor->height,
 254                                                NULL);
 255     if(str)
 256         g_free(str);
 257     if (pixbuf){
 258         image = gtk_image_new_from_pixbuf (pixbuf);
 259         g_object_unref(G_OBJECT(pixbuf));
 260     }
 261     if (image){
 262         g_signal_connect(G_OBJECT(image), "expose_event",
 263                                        G_CALLBACK(expose_event), pixbuf);
 264         //if (g_object_get_data(G_OBJECT(actor->widget), "image")){
 265         if (actor->image){
 266             gtk_container_remove(GTK_CONTAINER(actor->widget), actor->image);
 267         }
 268         //g_object_set_data(G_OBJECT(actor->widget), "image", image);
 269         actor->image = image;
 270         gtk_container_add (GTK_CONTAINER (actor->widget), image);
 271         realize(actor->widget);
 272         gtk_widget_show_all(actor->widget);
 273         /* TO DO check it */
 274        /*  gdk_flush (); */
 275
 276
 277     }
 278
 279 }
 280
 281
 282 static gboolean
 283 short_timeout (AWallpaperPlugin *desktop_plugin)
 284 {
 285     //gint daytime = get_daytime();
 286     GSList * tmp;
 287     void (*pfunc)(gpointer, gpointer);
 288     time_t now;
 289     Actor *actor;
 290     gboolean stop_flag = TRUE;
 291
 292 if (!desktop_plugin->priv->visible || !desktop_plugin->priv->rich_animation){
 293         desktop_plugin->priv->short_timer = 0;
 294         return FALSE;
 295     }
 296
 297     now = time(NULL);
 298     //scene.daytime = daytime;
 299     /* fprintf(stderr, "Short timer %d\n", now); */
 300     tmp = desktop_plugin->priv->scene->actors;
 301     while (tmp != NULL){
 302            actor = tmp->data;
 303            if (now >= actor->time_start_animation
 304                && actor->time_start_animation > 0
 305                /* && now - actor->time_start_animation <= actor->duration_animation*/){
 306                 pfunc = actor->func_change;
 307                 if (pfunc){
 308                     (*pfunc)(actor, desktop_plugin);
 309                     stop_flag = FALSE;
 310                 }
 311             }
 312             tmp = g_slist_next(tmp);
 313     }
 314     if (stop_flag){
 315          desktop_plugin->priv->short_timer = 0;
 316          return FALSE;
 317     }else
 318          return TRUE; /* keep running this event */
 319 }
 320
 321 void
 322 run_long_timeout(AWallpaperPlugin *desktop_plugin)
 323 {
 324
 325     gint daytime = get_daytime();
 326     GSList * tmp;
 327     void (*pfunc)(gpointer, gpointer);
 328     time_t now;
 329     Actor *actor;
 330
 331     if (!desktop_plugin->priv->scene)
 332         return;
 333     //fprintf(stderr, "!!!run long timeout short_timer=%d\n", desktop_plugin->priv->short_timer);
 334     if (desktop_plugin->priv->scene->daytime != daytime){
 335         desktop_plugin->priv->scene->daytime = daytime;
 336         tmp = desktop_plugin->priv->scene->actors;
 337         while (tmp != NULL){
 338             //change_actor(tmp->data);
 339             pfunc =((Actor*)tmp->data)->func_change;
 340             if (pfunc){
 341                 (*pfunc)(tmp->data, desktop_plugin);
 342             }
 343             tmp = g_slist_next(tmp);
 344         }
 345     }
 346
 347     now = time(NULL);
 348     //fprintf(stderr, "Now  %d\n", now);
 349     tmp = desktop_plugin->priv->scene->actors;
 350     while (tmp != NULL){
 351         actor = tmp->data;
 352         if (now >= actor->time_start_animation
 353             && actor->time_start_animation > 0
 354             && desktop_plugin->priv->short_timer == 0){
 355             /* fprintf(stderr, "start short timer act = %s %d\n", actor->name, now); */
 356             if (desktop_plugin->priv->rich_animation){
 357                 actor->time_start_animation = now;
 358                 desktop_plugin->priv->short_timer = g_timeout_add(SHORT_TIMER, (GtkFunction)short_timeout, desktop_plugin);
 359             }
 360             else {
 361                 (*actor->func_change)(actor, desktop_plugin);
 362             }
 363         }
 364         tmp = g_slist_next(tmp);
 365     }
 366
 367 }
 368
 369 static gboolean
 370 long_timeout (AWallpaperPlugin *desktop_plugin)
 371 {
 372     /* fprintf(stderr, "long_timeout %i\n", desktop_plugin->priv->long_timer); */
 373     if (desktop_plugin->priv->long_timer == 0 )
 374         return FALSE;
 375     if (!desktop_plugin->priv->visible){
 376         if(desktop_plugin->priv->short_timer != 0){
 377             g_source_remove(desktop_plugin->priv->short_timer);
 378             desktop_plugin->priv->short_timer = 0;
 379         }
 380         desktop_plugin->priv->long_timer = 0;
 381         return FALSE;
 382     }
 383
 384
 385     run_long_timeout(desktop_plugin);
 386     return TRUE; /* keep running this event */
 387 }
 388
 389 static void
 390 desktop_plugin_visible_notify (GObject    *object,
 391                                           GParamSpec *spec,
 392                                           AWallpaperPlugin *desktop_plugin)
 393 {
 394     gboolean visible;
 395     g_object_get (object, "is-on-current-desktop", &visible, NULL);
 396     /* fprintf (stderr, "is-on-current-desktop changed. visible: %u", visible); */
 397     if (visible){
 398         desktop_plugin->priv->visible = TRUE;
 399         if (desktop_plugin->priv->long_timer == 0 ){
 400             desktop_plugin->priv->long_timer = g_timeout_add(LONG_TIMER, (GtkFunction)long_timeout, desktop_plugin);
 401             run_long_timeout(desktop_plugin);
 402         }
 403     }else{
 404         desktop_plugin->priv->visible = FALSE;
 405         if (desktop_plugin->priv->long_timer != 0 ){
 406             g_source_remove(desktop_plugin->priv->long_timer);
 407             desktop_plugin->priv->long_timer = 0;
 408         }
 409     }
 410 }
 411 gboolean
 412 rich_animation_press(GtkWidget *widget, GdkEvent *event,
 413                                             gpointer user_data){
 414     fprintf(stderr,"gggggggggggggggggggg2222\n");
 415     return FALSE;
 416 }
 417 static void
 418 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 419 {
 420     GtkWidget *rich_animation;
 421     gchar           buffer[2048];
 422     gchar str[128];
 423
 424     //fprintf(stderr, "!!!!!!!plugin init \n");
 425     Animation_WallpaperPrivate *priv =  Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE (desktop_plugin);
 426     desktop_plugin->priv =  Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE (desktop_plugin);
 427     priv->osso = osso_initialize(PACKAGE, VERSION, TRUE, NULL);
 428
 429     /* Load config */
 430     read_config(priv);
 431     /* Initialize DBUS */
 432     livewp_initialize_dbus(priv);
 433
 434     priv->desktop_plugin = desktop_plugin;
 435     priv->visible = TRUE;
 436     priv->short_timer = 0;
 437     priv->xapplet = 0;
 438     priv->yapplet = 0;
 439     priv->scene = NULL;
 440 //    priv->theme = g_strdup("Modern");
 441 //#if 0
 442     priv->hash_scene_func = g_hash_table_new(g_str_hash, g_str_equal);
 443
 444     g_hash_table_insert(priv->hash_scene_func, g_strdup("Berlin"), (gpointer)&init_scene_Berlin);
 445     g_hash_table_insert(priv->hash_scene_func, g_strdup("Modern"), (gpointer)&init_scene_Modern);
 446     g_hash_table_insert(priv->hash_scene_func, g_strdup("Matrix"), (gpointer)&init_scene_Matrix);
 447 //#endif
 448     priv->theme = g_strdup("Modern");
 449     desktop_plugin->priv->main_widget = gtk_fixed_new();
 450
 451     gtk_widget_set_size_request(desktop_plugin->priv->main_widget, 100, 32);
 452     desktop_plugin->priv->right_corner = NULL;
 453     snprintf(buffer, sizeof(buffer) - 1, "%s/%s/%s", THEME_PATH, desktop_plugin->priv->theme, "town0_right_corner.png");
 454     desktop_plugin->priv->right_corner = gtk_image_new_from_file (buffer);
 455     if (desktop_plugin->priv->right_corner){
 456         gtk_fixed_put(GTK_FIXED(desktop_plugin->priv->main_widget), desktop_plugin->priv->right_corner, 0, 0);
 457         gtk_widget_show (desktop_plugin->priv->right_corner);
 458     }
 459     /* Create rich animation event */
 460     rich_animation = gtk_event_box_new();
 461     if(rich_animation){
 462         gtk_widget_set_events(rich_animation, GDK_BUTTON_PRESS_MASK);
 463         gtk_event_box_set_visible_window(GTK_EVENT_BOX(rich_animation), FALSE);
 464         gtk_widget_set_size_request(rich_animation, 100, 32);
 465         gtk_widget_show (rich_animation);
 466         g_signal_connect(rich_animation, "button-press-event", G_CALLBACK(rich_animation_press), desktop_plugin);
 467         gtk_fixed_put(GTK_FIXED(desktop_plugin->priv->main_widget), rich_animation, 0, 0);
 468     }
 469 #if 0
 470     GtkWidget *label = gtk_label_new ("1111ddddddddd");
 471     gtk_widget_set_size_request(label, 95, 30);
 472     gtk_widget_show (label);
 473     gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 474 #endif
 475     hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 476     g_signal_connect (desktop_plugin, "show-settings",
 477                              G_CALLBACK (show_settings), priv);
 478     gtk_widget_show (desktop_plugin->priv->main_widget);
 479     gtk_container_add (GTK_CONTAINER (desktop_plugin), desktop_plugin->priv->main_widget);
 480     init_applet_position(&(priv->xapplet), &(priv->yapplet));
 481
 482
 483     fprintf(stderr, "!!!theme = %s\n", priv->theme);
 484     snprintf(str, sizeof(str) - 1, "%s", "init_scene2");
 485     fprintf(stderr, " str = %s\n", str);
 486     priv->scene = NULL;
 487 #if 0
 488     if (!strcmp(priv->theme,"Modern"))
 489         init_scene_Modern(desktop_plugin);
 490     else if (!strcmp(priv->theme,"Berlin"))
 491         init_scene_Berlin(desktop_plugin);
 492     else if (!strcmp(priv->theme, "Matrix"))
 493         init_scene_Matrix(desktop_plugin);
 494 #endif
 495     init_scene_theme(desktop_plugin);
 496
 497     priv->long_timer = g_timeout_add(LONG_TIMER, (GtkFunction)long_timeout, desktop_plugin);
 498     /* TODO Move scene to priv */
 499     //scene.timer_type = LONG_TIMER_TYPE;
 500     g_signal_connect (desktop_plugin, "notify::is-on-current-desktop",
 501                    G_CALLBACK (desktop_plugin_visible_notify), desktop_plugin);
 502
 503
 504     //sleep(2);
 505 }
 506
 507 static void
 508 lw_applet_finalize (GObject *object)
 509 {
 510 fprintf(stderr,"lw_applet_finalize\n");
 511 /*
 512      AWallpaperPlugin *desktop_plugin = Animation_Wallpaper_HOME_PLUGIN (object);
 513      Animation_WallpaperPrivate *priv = desktop_plugin->priv;
 514
 515      if (priv){
 516              livewp_deinitialize_dbus(priv);
 517              fprintf(stderr,"finalaze %i\n", priv->long_timer);
 518              if (priv->long_timer){
 519                 g_source_remove(priv->long_timer);
 520                 priv->long_timer = 0;
 521              }
 522              if (priv->short_timer){
 523                 g_source_remove(priv->short_timer);
 524                 priv->short_timer = 0;
 525              }
 526
 527              destroy_scene(desktop_plugin);
 528      }
 529 */
 530 }
 531
 532 static void
 533 desktop_widget_finalize (GObject *object)
 534 {
 535      AWallpaperPlugin *desktop_plugin = Animation_Wallpaper_HOME_PLUGIN (object);
 536      Animation_WallpaperPrivate *priv = desktop_plugin->priv;
 537
 538      if (priv){
 539              livewp_deinitialize_dbus(priv);
 540              fprintf(stderr,"finalaze %i\n", priv->long_timer);
 541              if (priv->long_timer){
 542                 g_source_remove(priv->long_timer);
 543                 priv->long_timer = 0;
 544              }
 545              if (priv->short_timer){
 546                 g_source_remove(priv->short_timer);
 547                 priv->short_timer = 0;
 548              }
 549
 550              destroy_scene(desktop_plugin);
 551      }
 552       /* Call the base class's implementation: */
 553       G_OBJECT_CLASS (animation_wallpaper_plugin_parent_class)->finalize (object);
 554 }
 555
 556 static void
 557 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 558
 559     GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 560     GtkObjectClass *gobject_class = GTK_OBJECT_CLASS (klass);
 561     GObjectClass *object_class = G_OBJECT_CLASS (klass);
 562
 563     /* gobject */
 564     gobject_class->destroy = (gpointer)lw_applet_finalize;
 565     object_class->finalize = desktop_widget_finalize;
 566     widget_class->realize = lw_applet_realize;
 567     widget_class->expose_event = lw_applet_expose_event;
 568
 569     g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 570
 571 }
 572
 573 static void
 574 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {
 575 }
 576
 577 Animation_WallpaperPrivate*
 578 animation_wallpaper_plugin_new (void)
 579 {
 580   return g_object_new (Animation_Wallpaper_TYPE_HOME_PLUGIN , NULL);
 581 }
 582