player/swfdec_player_manager.c

   1 /* Swfdec
   2  * Copyright (C) 2006 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_player_manager.h"
  25 #include "swfdec_source.h"
  26
  27 enum {
  28   PROP_0,
  29   PROP_PLAYING,
  30   PROP_SPEED
  31 };
  32
  33 G_DEFINE_TYPE (SwfdecPlayerManager, swfdec_player_manager, G_TYPE_OBJECT)
  34
  35 static void
  36 swfdec_player_manager_get_property (GObject *object, guint param_id, GValue *value,
  37     GParamSpec * pspec)
  38 {
  39   SwfdecPlayerManager *manager = SWFDEC_PLAYER_MANAGER (object);
  40
  41   switch (param_id) {
  42     case PROP_PLAYING:
  43       g_value_set_boolean (value, swfdec_player_manager_get_playing (manager));
  44       break;
  45     case PROP_SPEED:
  46       g_value_set_double (value, swfdec_player_manager_get_speed (manager));
  47       break;
  48     default:
  49       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
  50       break;
  51   }
  52 }
  53
  54 static void
  55 swfdec_player_manager_set_property (GObject *object, guint param_id, const GValue *value,
  56     GParamSpec *pspec)
  57 {
  58   SwfdecPlayerManager *manager = SWFDEC_PLAYER_MANAGER (object);
  59
  60   switch (param_id) {
  61     case PROP_PLAYING:
  62       swfdec_player_manager_set_playing (manager, g_value_get_boolean (value));
  63       break;
  64     case PROP_SPEED:
  65       swfdec_player_manager_set_speed (manager, g_value_get_double (value));
  66       break;
  67     default:
  68       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
  69       break;
  70   }
  71 }
  72
  73 static void
  74 swfdec_player_manager_dispose (GObject *object)
  75 {
  76   SwfdecPlayerManager *manager = SWFDEC_PLAYER_MANAGER (object);
  77
  78   swfdec_player_manager_set_playing (manager, FALSE);
  79   g_object_unref (manager->player);
  80
  81   G_OBJECT_CLASS (swfdec_player_manager_parent_class)->dispose (object);
  82 }
  83
  84 static void
  85 swfdec_player_manager_class_init (SwfdecPlayerManagerClass * g_class)
  86 {
  87   GObjectClass *object_class = G_OBJECT_CLASS (g_class);
  88
  89   object_class->dispose = swfdec_player_manager_dispose;
  90   object_class->set_property = swfdec_player_manager_set_property;
  91   object_class->get_property = swfdec_player_manager_get_property;
  92
  93   g_object_class_install_property (object_class, PROP_SPEED,
  94       g_param_spec_double ("speed", "speed", "playback speed of movie",
  95           G_MINDOUBLE, 16.0, 1.0, G_PARAM_READWRITE));
  96   g_object_class_install_property (object_class, PROP_SPEED,
  97       g_param_spec_boolean ("playing", "playing", "if the movie is played back",
  98           FALSE, G_PARAM_READWRITE));
  99 }
 100
 101 static void
 102 swfdec_player_manager_init (SwfdecPlayerManager *manager)
 103 {
 104   manager->speed = 1.0;
 105 }
 106
 107 static void
 108 swfdec_player_manager_set_player (SwfdecPlayerManager *manager, SwfdecPlayer *player)
 109 {
 110   if (manager->player == player)
 111     return;
 112
 113   if (manager->player) {
 114     g_object_unref (manager->player);
 115   }
 116   manager->player = player;
 117   if (player) {
 118     g_object_ref (player);
 119   }
 120 }
 121
 122 SwfdecPlayerManager *
 123 swfdec_player_manager_new (SwfdecPlayer *player)
 124 {
 125   SwfdecPlayerManager *manager;
 126
 127   g_return_val_if_fail (player == NULL || SWFDEC_IS_PLAYER (player), NULL);
 128
 129   manager = g_object_new (SWFDEC_TYPE_PLAYER_MANAGER, 0);
 130   swfdec_player_manager_set_player (manager, player);
 131
 132   return manager;
 133 }
 134
 135 void
 136 swfdec_player_manager_set_speed (SwfdecPlayerManager *manager, double speed)
 137 {
 138   g_return_if_fail (SWFDEC_IS_PLAYER_MANAGER (manager));
 139   g_return_if_fail (speed > 0.0);
 140
 141   if (manager->speed == speed)
 142     return;
 143   if (manager->source) {
 144     swfdec_player_manager_set_playing (manager, FALSE);
 145     manager->speed = speed;
 146     swfdec_player_manager_set_playing (manager, TRUE);
 147   } else {
 148     manager->speed = speed;
 149   }
 150   g_object_notify (G_OBJECT (manager), "speed");
 151 }
 152
 153 double
 154 swfdec_player_manager_get_speed (SwfdecPlayerManager *manager)
 155 {
 156   g_return_val_if_fail (SWFDEC_IS_PLAYER_MANAGER (manager), 1.0);
 157
 158   return manager->speed;
 159 }
 160
 161 void
 162 swfdec_player_manager_set_playing (SwfdecPlayerManager *manager, gboolean playing)
 163 {
 164   g_return_if_fail (SWFDEC_IS_PLAYER_MANAGER (manager));
 165
 166   if ((manager->source != NULL) == playing)
 167     return;
 168   if (playing) {
 169     g_assert (manager->source == NULL);
 170     manager->source = swfdec_iterate_source_new (manager->player);
 171     g_source_attach (manager->source, NULL);
 172   } else {
 173     g_assert (manager->source != NULL);
 174     g_source_destroy (manager->source);
 175     g_source_unref (manager->source);
 176     manager->source = NULL;
 177   }
 178   g_object_notify (G_OBJECT (manager), "playing");
 179 }
 180
 181 gboolean
 182 swfdec_player_manager_get_playing (SwfdecPlayerManager *manager)
 183 {
 184   g_return_val_if_fail (SWFDEC_IS_PLAYER_MANAGER (manager), FALSE);
 185
 186   return manager->source != NULL;
 187 }
 188