swfdec/swfdec_as_movie_value.c

   1 /* Swfdec
   2  * Copyright (C) 2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "swfdec_as_movie_value.h"
  25
  26 #include <string.h>
  27
  28 #include "swfdec_as_gcable.h"
  29 #include "swfdec_as_strings.h"
  30 #include "swfdec_movie.h"
  31 #include "swfdec_player_internal.h"
  32
  33 SwfdecAsMovieValue *
  34 swfdec_as_movie_value_new (SwfdecMovie *movie, const char *name)
  35 {
  36   SwfdecAsMovieValue *val, *parent;
  37   SwfdecAsContext *context;
  38   guint i, n_names;
  39
  40   g_assert (SWFDEC_IS_MOVIE (movie));
  41   g_assert (name != NULL);
  42   g_assert (name != SWFDEC_AS_STR_EMPTY);
  43
  44   context = swfdec_gc_object_get_context (movie);
  45   parent = movie->parent ? movie->parent->as_value : NULL;
  46   n_names = parent ? parent->n_names + 1 : 1;
  47
  48   val = swfdec_as_gcable_alloc (context, sizeof (SwfdecAsMovieValue) + n_names * sizeof (const char *));
  49   val->player = SWFDEC_PLAYER (context);
  50   val->movie = movie;
  51   val->n_names = n_names;
  52   val->names[n_names - 1] = name;
  53   movie = movie->parent;
  54   for (i = n_names - 2; movie; i--) {
  55     if (movie->name != SWFDEC_AS_STR_EMPTY) {
  56       val->names[i] = movie->name;
  57     } else {
  58       val->names[i] = movie->as_value->names[i];
  59     };
  60     movie = movie->parent;
  61   }
  62
  63   SWFDEC_AS_GCABLE_SET_NEXT (val, context->movies);
  64   context->movies = val;
  65
  66   return val;
  67 }
  68
  69 void
  70 swfdec_as_movie_value_mark (SwfdecAsMovieValue *value)
  71 {
  72   guint i;
  73
  74   g_assert (value != NULL);
  75
  76   SWFDEC_AS_GCABLE_SET_FLAG ((SwfdecAsGcable *) value, SWFDEC_AS_GC_MARK);
  77
  78   if (value->movie)
  79     swfdec_gc_object_mark (value->movie);
  80   for (i = 0; i < value->n_names; i++) {
  81     swfdec_as_string_mark (value->names[i]);
  82   }
  83 }
  84
  85 static SwfdecMovie *
  86 swfdec_player_get_movie_by_name (SwfdecPlayer *player, const char *name)
  87 {
  88   GList *walk;
  89
  90   for (walk = player->priv->roots; walk; walk = walk->next) {
  91     SwfdecMovie *cur = walk->data;
  92     if (cur->as_value->names[0] == name)
  93       return cur;
  94   }
  95   return NULL;
  96 }
  97
  98 SwfdecMovie *
  99 swfdec_as_movie_value_get (SwfdecAsMovieValue *value)
 100 {
 101   SwfdecMovie *movie;
 102   guint i;
 103
 104   g_assert (value != NULL);
 105   g_assert (value->movie == NULL); /* checked by macros */
 106
 107   /* FIXME: getting a root movie by name should be simpler */
 108   movie = swfdec_player_get_movie_by_name (value->player, value->names[0]);
 109   for (i = 1; i < value->n_names && movie; i++) {
 110     movie = swfdec_movie_get_by_name (movie, value->names[i], TRUE);
 111   }
 112   return movie;
 113 }