git.maemo.org Git - modest/blob - src/modest-ui-dimming-manager.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "modest-debug.h"
  31 #include "modest-ui-dimming-manager.h"
  32 #include "modest-dimming-rules-group-priv.h"
  33
  34 static void modest_ui_dimming_manager_class_init (ModestUIDimmingManagerClass *klass);
  35 static void modest_ui_dimming_manager_init       (ModestUIDimmingManager *obj);
  36 static void modest_ui_dimming_manager_finalize   (GObject *obj);
  37 static void modest_ui_dimming_manager_dispose    (GObject *obj);
  38
  39 static void _process_all_rules (gpointer key, gpointer value, gpointer user_data);
  40
  41
  42 typedef struct _ModestUIDimmingManagerPrivate ModestUIDimmingManagerPrivate;
  43 struct _ModestUIDimmingManagerPrivate {
  44         GHashTable *groups_map;
  45         GHashTable *delayed_calls;
  46 };
  47
  48 #define MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  49                                                    MODEST_TYPE_UI_DIMMING_MANAGER, \
  50                                                    ModestUIDimmingManagerPrivate))
  51
  52 /* globals */
  53 static GObjectClass *parent_class = NULL;
  54
  55 GType
  56 modest_ui_dimming_manager_get_type (void)
  57 {
  58         static GType my_type = 0;
  59         if (!my_type) {
  60                 static const GTypeInfo my_info = {
  61                         sizeof(ModestUIDimmingManagerClass),
  62                         NULL,           /* base init */
  63                         NULL,           /* base finalize */
  64                         (GClassInitFunc) modest_ui_dimming_manager_class_init,
  65                         NULL,           /* class finalize */
  66                         NULL,           /* class data */
  67                         sizeof(ModestUIDimmingManager),
  68                         1,              /* n_preallocs */
  69                         (GInstanceInitFunc) modest_ui_dimming_manager_init,
  70                         NULL
  71                 };
  72                 my_type = g_type_register_static (G_TYPE_OBJECT,
  73                                                   "ModestUIDimmingManager",
  74                                                   &my_info, 0);
  75         }
  76         return my_type;
  77 }
  78
  79 static void
  80 modest_ui_dimming_manager_class_init (ModestUIDimmingManagerClass *klass)
  81 {
  82         GObjectClass *gobject_class;
  83         gobject_class = (GObjectClass*) klass;
  84
  85         parent_class            = g_type_class_peek_parent (klass);
  86         gobject_class->finalize = modest_ui_dimming_manager_finalize;
  87         gobject_class->dispose  = modest_ui_dimming_manager_dispose;
  88
  89         g_type_class_add_private (gobject_class, sizeof(ModestUIDimmingManagerPrivate));
  90 }
  91
  92 static void
  93 modest_ui_dimming_manager_init (ModestUIDimmingManager *obj)
  94 {
  95         ModestUIDimmingManagerPrivate *priv;
  96
  97         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(obj);
  98
  99         priv->groups_map = g_hash_table_new_full ((GHashFunc) g_str_hash,
 100                                                   (GEqualFunc) g_str_equal,
 101                                                   (GDestroyNotify) g_free,
 102                                                   (GDestroyNotify) g_object_unref);
 103         priv->delayed_calls = g_hash_table_new_full (g_str_hash,
 104                                                      g_str_equal,
 105                                                      g_free,
 106                                                      NULL);
 107 }
 108
 109 static void
 110 remove_all_timeouts (gpointer key,
 111                      gpointer value,
 112                      gpointer user_data)
 113 {
 114         if (GPOINTER_TO_INT (value) > 0)
 115                 g_source_remove (GPOINTER_TO_INT (value));
 116 }
 117
 118 static void
 119 modest_ui_dimming_manager_finalize (GObject *obj)
 120 {
 121         ModestUIDimmingManagerPrivate *priv;
 122
 123         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(obj);
 124
 125         if (priv->groups_map != NULL)
 126                 g_hash_table_unref (priv->groups_map);
 127
 128         if (priv->delayed_calls != NULL) {
 129                 /* Remove all pending calls */
 130                 g_hash_table_foreach (priv->delayed_calls,
 131                                       remove_all_timeouts,
 132                                       NULL);
 133
 134                 g_hash_table_unref (priv->delayed_calls);
 135         }
 136
 137         G_OBJECT_CLASS(parent_class)->finalize (obj);
 138 }
 139
 140 static void
 141 modest_ui_dimming_manager_dispose (GObject *obj)
 142 {
 143         ModestUIDimmingManagerPrivate *priv;
 144
 145         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(obj);
 146
 147         if (priv->delayed_calls != NULL) {
 148                 /* Remove all pending calls */
 149                 g_hash_table_foreach (priv->delayed_calls,
 150                                       remove_all_timeouts,
 151                                       NULL);
 152                 g_hash_table_remove_all (priv->delayed_calls);
 153         }
 154
 155         G_OBJECT_CLASS(parent_class)->dispose (obj);
 156 }
 157
 158
 159 ModestUIDimmingManager*
 160 modest_ui_dimming_manager_new()
 161 {
 162         ModestUIDimmingManager *obj;
 163
 164         obj = MODEST_UI_DIMMING_MANAGER(g_object_new(MODEST_TYPE_UI_DIMMING_MANAGER, NULL));
 165
 166
 167         return obj;
 168 }
 169
 170 void
 171 modest_ui_dimming_manager_insert_rules_group (ModestUIDimmingManager *self,
 172                                               ModestDimmingRulesGroup *group)
 173 {
 174         ModestUIDimmingManagerPrivate *priv;
 175         gchar *group_name = NULL;
 176         gboolean unique = FALSE;
 177
 178         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 179
 180         /* Get group name */
 181         group_name = modest_dimming_rules_group_get_name (group);
 182
 183         /* Check group name is unique */
 184         unique = g_hash_table_lookup (priv->groups_map, group_name) == NULL;
 185         if (!unique) {
 186                 g_free(group_name);
 187                 g_return_if_fail (unique);
 188         }
 189
 190
 191         /* Insert new dimming rules group */
 192         g_hash_table_insert (priv->groups_map, group_name, g_object_ref(group));
 193 }
 194
 195 void
 196 modest_ui_dimming_manager_process_dimming_rules (ModestUIDimmingManager *self)
 197 {
 198         ModestUIDimmingManagerPrivate *priv;
 199
 200         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 201
 202         /* Peforms a full dimming tules checking */
 203         g_hash_table_foreach (priv->groups_map, _process_all_rules, NULL);
 204 }
 205
 206 typedef struct
 207 {
 208         ModestDimmingRulesGroup *group;
 209         ModestUIDimmingManager *manager;
 210         gchar *name;
 211 } DelayedDimmingRules;
 212
 213 static gboolean
 214 process_dimming_rules_delayed (gpointer data)
 215 {
 216         DelayedDimmingRules *helper = (DelayedDimmingRules *) data;
 217         gpointer timeout_handler;
 218         ModestUIDimmingManagerPrivate *priv;
 219
 220         /* We remove the timeout here because the execute action could
 221            take too much time, and so this will be called again */
 222         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(helper->manager);
 223         timeout_handler = g_hash_table_lookup (priv->delayed_calls, helper->name);
 224
 225         if (GPOINTER_TO_INT (timeout_handler) > 0) {
 226                 g_source_remove (GPOINTER_TO_INT (timeout_handler));
 227         }
 228
 229         gdk_threads_enter ();
 230         modest_dimming_rules_group_execute (helper->group);
 231         gdk_threads_leave ();
 232
 233         return FALSE;
 234 }
 235
 236 static void
 237 process_dimming_rules_delayed_destroyer (gpointer data)
 238 {
 239         DelayedDimmingRules *helper = (DelayedDimmingRules *) data;
 240         ModestUIDimmingManagerPrivate *priv;
 241
 242         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(helper->manager);
 243         g_hash_table_remove (priv->delayed_calls, helper->name);
 244         priv->delayed_calls = NULL;
 245         g_free (helper->name);
 246         g_object_unref (helper->manager);
 247         g_slice_free (DelayedDimmingRules, helper);
 248 }
 249
 250 void
 251 modest_ui_dimming_manager_process_dimming_rules_group (ModestUIDimmingManager *self,
 252                                                        const gchar *group_name)
 253 {
 254         ModestDimmingRulesGroup *group = NULL;
 255         ModestUIDimmingManagerPrivate *priv;
 256         guint *handler, new_handler;
 257         DelayedDimmingRules *helper;
 258
 259         g_return_if_fail (group_name != NULL);
 260
 261         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 262
 263         /* Search group by name */
 264         group = MODEST_DIMMING_RULES_GROUP(g_hash_table_lookup (priv->groups_map, group_name));
 265         g_return_if_fail (group != NULL);
 266
 267         /* If there was another pending dimming operation check then ignore this */
 268         handler = g_hash_table_lookup (priv->delayed_calls, group_name);
 269         if (!handler) {
 270                 /* Create the helper and start the timeout */
 271                 helper = g_slice_new (DelayedDimmingRules);
 272                 helper->group = group;
 273                 helper->manager = g_object_ref (self);
 274                 helper->name = g_strdup (group_name);
 275                 new_handler = g_timeout_add_full (G_PRIORITY_DEFAULT, 100, process_dimming_rules_delayed,
 276                                                   helper, process_dimming_rules_delayed_destroyer);
 277                 g_hash_table_insert (priv->delayed_calls, g_strdup (group_name), GINT_TO_POINTER (new_handler));
 278                 MODEST_DEBUG_BLOCK(g_print ("---------------------Adding %d\n", new_handler););
 279         } else {
 280                 MODEST_DEBUG_BLOCK(g_print ("---------------------Ignoring\n"););
 281         }
 282 }
 283
 284
 285 static void
 286 _process_all_rules (gpointer key, gpointer value, gpointer user_data)
 287 {
 288         g_return_if_fail (MODEST_IS_DIMMING_RULES_GROUP (value));
 289
 290         modest_dimming_rules_group_execute (MODEST_DIMMING_RULES_GROUP (value));
 291 }
 292