test/trace/swfdec_interaction.c

   1 /* Swfdec
   2  * Copyright (C) 2007 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_interaction.h"
  25
  26 static const GScannerConfig scanner_config = {
  27   (char *) ",; \t\n",
  28   (char *) G_CSET_a_2_z G_CSET_A_2_Z,
  29   (char *) G_CSET_a_2_z G_CSET_A_2_Z,
  30   (char *) "#\n",
  31   FALSE,
  32   FALSE, TRUE, FALSE, TRUE, TRUE, FALSE,
  33   TRUE, FALSE, FALSE, FALSE, FALSE, FALSE,
  34   TRUE, TRUE, TRUE, FALSE, FALSE,
  35   FALSE, TRUE, FALSE, FALSE,
  36   0
  37 };
  38
  39 void
  40 swfdec_interaction_free (SwfdecInteraction *inter)
  41 {
  42   g_return_if_fail (inter != NULL);
  43
  44   g_array_free (inter->commands, TRUE);
  45   g_free (inter);
  46 }
  47
  48 void
  49 swfdec_interaction_reset (SwfdecInteraction *inter)
  50 {
  51   g_return_if_fail (inter != NULL);
  52
  53   inter->mouse_x = 0;
  54   inter->mouse_y = 0;
  55   inter->mouse_button = 0;
  56   inter->cur_idx = 0;
  57   inter->time_elapsed = 0;
  58 }
  59
  60 static void
  61 swfdec_interaction_scanner_message (GScanner *scanner, gchar *message, gboolean error)
  62 {
  63   if (!error)
  64     g_printerr ("warning: %s\n", message);
  65   g_set_error (scanner->user_data, G_FILE_ERROR, G_FILE_ERROR_FAILED, "%s", message);
  66 }
  67
  68 static void
  69 swfdec_command_append_mouse (SwfdecInteraction *inter, SwfdecCommandType type, int x, int y, int button)
  70 {
  71   SwfdecCommand command;
  72
  73   command.command = type;
  74   command.args.mouse.x = x;
  75   command.args.mouse.y = y;
  76   command.args.mouse.button = button;
  77   inter->mouse_x = x;
  78   inter->mouse_y = y;
  79   inter->mouse_button = button;
  80   g_array_append_val (inter->commands, command);
  81 }
  82
  83 static void
  84 swfdec_command_append_key (SwfdecInteraction *inter, SwfdecKey code, guint ascii, SwfdecCommandType type)
  85 {
  86   SwfdecCommand command;
  87
  88   command.command = type;
  89   command.args.key.code = code;
  90   command.args.key.ascii = ascii;
  91   g_array_append_val (inter->commands, command);
  92 }
  93
  94 static void
  95 swfdec_command_append_wait (SwfdecInteraction *inter, int msecs)
  96 {
  97   SwfdecCommand command;
  98
  99   command.command = SWFDEC_COMMAND_WAIT;
 100   command.args.time = msecs;
 101   g_array_append_val (inter->commands, command);
 102 }
 103
 104 SwfdecInteraction *
 105 swfdec_interaction_new (const char *data, guint length, GError **error)
 106 {
 107   GScanner *scanner;
 108   GTokenType token;
 109   SwfdecInteraction *inter;
 110   int i, j;
 111
 112   g_return_val_if_fail (data != NULL || length == 0, NULL);
 113
 114   /* setup scanner */
 115   scanner = g_scanner_new (&scanner_config);
 116   scanner->user_data = error;
 117   scanner->msg_handler = swfdec_interaction_scanner_message;
 118   g_scanner_scope_add_symbol (scanner, 0, "wait", GINT_TO_POINTER (SWFDEC_COMMAND_WAIT));
 119   g_scanner_scope_add_symbol (scanner, 0, "move", GINT_TO_POINTER (SWFDEC_COMMAND_MOVE));
 120   g_scanner_scope_add_symbol (scanner, 0, "down", GINT_TO_POINTER (SWFDEC_COMMAND_DOWN));
 121   g_scanner_scope_add_symbol (scanner, 0, "up", GINT_TO_POINTER (SWFDEC_COMMAND_UP));
 122   g_scanner_scope_add_symbol (scanner, 0, "press", GINT_TO_POINTER (SWFDEC_COMMAND_PRESS));
 123   g_scanner_scope_add_symbol (scanner, 0, "release", GINT_TO_POINTER (SWFDEC_COMMAND_RELEASE));
 124   g_scanner_input_text (scanner, data, length);
 125
 126   /* setup inter */
 127   inter = g_new0 (SwfdecInteraction, 1);
 128   inter->commands = g_array_new (FALSE, FALSE, sizeof (SwfdecCommand));
 129
 130   while ((token = g_scanner_get_next_token (scanner)) != G_TOKEN_EOF) {
 131     switch ((SwfdecCommandType)token) {
 132       case SWFDEC_COMMAND_WAIT:
 133         token = g_scanner_get_next_token (scanner);
 134         if (token != G_TOKEN_INT) {
 135           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 136           goto error;
 137         }
 138         i = scanner->value.v_int;
 139         swfdec_command_append_wait (inter, i);
 140         break;
 141       case SWFDEC_COMMAND_MOVE:
 142         token = g_scanner_get_next_token (scanner);
 143         if (token != G_TOKEN_INT) {
 144           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 145           goto error;
 146         }
 147         i = scanner->value.v_int;
 148         token = g_scanner_get_next_token (scanner);
 149         if (token != G_TOKEN_INT) {
 150           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 151           goto error;
 152         }
 153         j = scanner->value.v_int;
 154         swfdec_command_append_mouse (inter, SWFDEC_COMMAND_MOVE, i, j, inter->mouse_button);
 155         break;
 156       case SWFDEC_COMMAND_DOWN:
 157         swfdec_command_append_mouse (inter, SWFDEC_COMMAND_DOWN, inter->mouse_x, inter->mouse_y, 1);
 158         break;
 159       case SWFDEC_COMMAND_UP:
 160         swfdec_command_append_mouse (inter, SWFDEC_COMMAND_UP, inter->mouse_x, inter->mouse_y, 1);
 161         break;
 162       case SWFDEC_COMMAND_PRESS:
 163       case SWFDEC_COMMAND_RELEASE:
 164         j = token;
 165         token = g_scanner_get_next_token (scanner);
 166         if (token != G_TOKEN_INT) {
 167           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 168           goto error;
 169         }
 170         i = scanner->value.v_int;
 171         if (i >= 256) {
 172           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 173           goto error;
 174         }
 175         /* FIXME: allow string here and convert first char */
 176         token = g_scanner_get_next_token (scanner);
 177         if (token != G_TOKEN_INT) {
 178           g_scanner_unexp_token (scanner, G_TOKEN_INT, NULL, NULL, NULL, NULL, TRUE);
 179           goto error;
 180         }
 181         swfdec_command_append_key (inter, i, scanner->value.v_int, j);
 182         break;
 183       default:
 184         g_scanner_unexp_token (scanner, SWFDEC_COMMAND_WAIT, NULL, NULL, NULL, NULL, TRUE);
 185         goto error;
 186     }
 187   }
 188   swfdec_interaction_reset (inter);
 189   g_scanner_destroy (scanner);
 190   return inter;
 191
 192 error:
 193   swfdec_interaction_free (inter);
 194   g_scanner_destroy (scanner);
 195   return NULL;
 196 }
 197
 198 SwfdecInteraction *
 199 swfdec_interaction_new_from_file (const char *filename, GError **error)
 200 {
 201   char *contents;
 202   gsize length;
 203   SwfdecInteraction *ret;
 204
 205   g_return_val_if_fail (filename != NULL, NULL);
 206
 207   if (!g_file_get_contents (filename, &contents, &length, error))
 208     return NULL;
 209
 210   ret = swfdec_interaction_new (contents, length, error);
 211   g_free (contents);
 212   return ret;
 213 }
 214
 215 /* returns time until next event in msecs or -1 if none */
 216 int
 217 swfdec_interaction_get_next_event (SwfdecInteraction *inter)
 218 {
 219   SwfdecCommand *command;
 220
 221   g_return_val_if_fail (inter != NULL, -1);
 222
 223   if (inter->cur_idx >= inter->commands->len)
 224     return -1;
 225   command = &g_array_index (inter->commands, SwfdecCommand, inter->cur_idx);
 226   if (command->command != SWFDEC_COMMAND_WAIT)
 227     return 0;
 228   g_assert (command->args.time > inter->time_elapsed);
 229   return command->args.time - inter->time_elapsed;
 230 }
 231
 232 void
 233 swfdec_interaction_advance (SwfdecInteraction *inter, SwfdecPlayer *player, guint msecs)
 234 {
 235   SwfdecCommand *command;
 236
 237   g_return_if_fail (inter != NULL);
 238
 239   inter->time_elapsed += msecs;
 240   while (inter->cur_idx < inter->commands->len) {
 241     command = &g_array_index (inter->commands, SwfdecCommand, inter->cur_idx);
 242     switch (command->command) {
 243       case SWFDEC_COMMAND_WAIT:
 244         if (inter->time_elapsed < command->args.time)
 245           return;
 246         inter->time_elapsed -= command->args.time;
 247         break;
 248       case SWFDEC_COMMAND_MOVE:
 249         swfdec_player_mouse_move (player, command->args.mouse.x,
 250             command->args.mouse.y);
 251         break;
 252       case SWFDEC_COMMAND_PRESS:
 253         swfdec_player_key_press (player, command->args.key.code, command->args.key.ascii);
 254         break;
 255       case SWFDEC_COMMAND_RELEASE:
 256         swfdec_player_key_release (player, command->args.key.code, command->args.key.ascii);
 257         break;
 258       case SWFDEC_COMMAND_DOWN:
 259         swfdec_player_mouse_press (player, command->args.mouse.x,
 260             command->args.mouse.y, command->args.mouse.button);
 261         break;
 262       case SWFDEC_COMMAND_UP:
 263         swfdec_player_mouse_release (player, command->args.mouse.x,
 264             command->args.mouse.y, command->args.mouse.button);
 265         break;
 266       default:
 267         g_assert_not_reached ();
 268         return;
 269     }
 270     inter->cur_idx++;
 271   }
 272 }
 273
 274 guint
 275 swfdec_interaction_get_duration (SwfdecInteraction *inter)
 276 {
 277   guint i, duration;
 278
 279   g_return_val_if_fail (inter != NULL, 0);
 280
 281   duration = 0;
 282   for (i = 0; i < inter->commands->len; i++) {
 283     SwfdecCommand *command = &g_array_index (inter->commands, SwfdecCommand, i);
 284     if (command->command == SWFDEC_COMMAND_WAIT)
 285       duration += command->args.time;
 286   }
 287   return duration;
 288 }
 289