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
  38 static void _process_all_rules (gpointer key, gpointer value, gpointer user_data);
  39
  40
  41 typedef struct _ModestUIDimmingManagerPrivate ModestUIDimmingManagerPrivate;
  42 struct _ModestUIDimmingManagerPrivate {
  43         GHashTable *groups_map;
  44         GHashTable *delayed_calls;
  45 };
  46
  47 #define MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  48                                                    MODEST_TYPE_UI_DIMMING_MANAGER, \
  49                                                    ModestUIDimmingManagerPrivate))
  50
  51 /* globals */
  52 static GObjectClass *parent_class = NULL;
  53
  54 GType
  55 modest_ui_dimming_manager_get_type (void)
  56 {
  57         static GType my_type = 0;
  58         if (!my_type) {
  59                 static const GTypeInfo my_info = {
  60                         sizeof(ModestUIDimmingManagerClass),
  61                         NULL,           /* base init */
  62                         NULL,           /* base finalize */
  63                         (GClassInitFunc) modest_ui_dimming_manager_class_init,
  64                         NULL,           /* class finalize */
  65                         NULL,           /* class data */
  66                         sizeof(ModestUIDimmingManager),
  67                         1,              /* n_preallocs */
  68                         (GInstanceInitFunc) modest_ui_dimming_manager_init,
  69                         NULL
  70                 };
  71                 my_type = g_type_register_static (G_TYPE_OBJECT,
  72                                                   "ModestUIDimmingManager",
  73                                                   &my_info, 0);
  74         }
  75         return my_type;
  76 }
  77
  78 static void
  79 modest_ui_dimming_manager_class_init (ModestUIDimmingManagerClass *klass)
  80 {
  81         GObjectClass *gobject_class;
  82         gobject_class = (GObjectClass*) klass;
  83
  84         parent_class            = g_type_class_peek_parent (klass);
  85         gobject_class->finalize = modest_ui_dimming_manager_finalize;
  86
  87         g_type_class_add_private (gobject_class, sizeof(ModestUIDimmingManagerPrivate));
  88 }
  89
  90 static void
  91 modest_ui_dimming_manager_init (ModestUIDimmingManager *obj)
  92 {
  93         ModestUIDimmingManagerPrivate *priv;
  94
  95         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(obj);
  96
  97         priv->groups_map = g_hash_table_new_full ((GHashFunc) g_str_hash,
  98                                                   (GEqualFunc) g_str_equal,
  99                                                   (GDestroyNotify) g_free,
 100                                                   (GDestroyNotify) g_object_unref);
 101         priv->delayed_calls = g_hash_table_new_full (g_str_hash,
 102                                                      g_str_equal,
 103                                                      g_free,
 104                                                      NULL);
 105 }
 106
 107 static void
 108 remove_all_timeouts (gpointer key,
 109                      gpointer value,
 110                      gpointer user_data)
 111 {
 112         if (GPOINTER_TO_INT (value) > 0)
 113                 g_source_remove (GPOINTER_TO_INT (value));
 114 }
 115
 116 static void
 117 modest_ui_dimming_manager_finalize (GObject *obj)
 118 {
 119         ModestUIDimmingManagerPrivate *priv;
 120
 121         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(obj);
 122
 123         if (priv->groups_map != NULL)
 124                 g_hash_table_unref (priv->groups_map);
 125
 126         if (priv->delayed_calls != NULL) {
 127                 /* Remove all pending calls */
 128                 g_hash_table_foreach (priv->delayed_calls,
 129                                       remove_all_timeouts,
 130                                       NULL);
 131
 132                 g_hash_table_unref (priv->delayed_calls);
 133         }
 134
 135         G_OBJECT_CLASS(parent_class)->finalize (obj);
 136 }
 137
 138
 139 ModestUIDimmingManager*
 140 modest_ui_dimming_manager_new()
 141 {
 142         ModestUIDimmingManager *obj;
 143
 144         obj = MODEST_UI_DIMMING_MANAGER(g_object_new(MODEST_TYPE_UI_DIMMING_MANAGER, NULL));
 145
 146
 147         return obj;
 148 }
 149
 150 void
 151 modest_ui_dimming_manager_insert_rules_group (ModestUIDimmingManager *self,
 152                                               ModestDimmingRulesGroup *group)
 153 {
 154         ModestUIDimmingManagerPrivate *priv;
 155         gchar *group_name = NULL;
 156         gboolean unique = FALSE;
 157
 158         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 159
 160         /* Get group name */
 161         group_name = modest_dimming_rules_group_get_name (group);
 162
 163         /* Check group name is unique */
 164         unique = g_hash_table_lookup (priv->groups_map, group_name) == NULL;
 165         if (!unique) {
 166                 g_free(group_name);
 167                 g_return_if_fail (unique);
 168         }
 169
 170
 171         /* Insert new dimming rules group */
 172         g_hash_table_insert (priv->groups_map, group_name, g_object_ref(group));
 173 }
 174
 175 void
 176 modest_ui_dimming_manager_process_dimming_rules (ModestUIDimmingManager *self)
 177 {
 178         ModestUIDimmingManagerPrivate *priv;
 179
 180         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 181
 182         /* Peforms a full dimming tules checking */
 183         g_hash_table_foreach (priv->groups_map, _process_all_rules, NULL);
 184 }
 185
 186 typedef struct
 187 {
 188         ModestDimmingRulesGroup *group;
 189         ModestUIDimmingManager *manager;
 190         gchar *name;
 191 } DelayedDimmingRules;
 192
 193 static gboolean
 194 process_dimming_rules_delayed (gpointer data)
 195 {
 196         DelayedDimmingRules *helper = (DelayedDimmingRules *) data;
 197         gpointer timeout_handler;
 198         ModestUIDimmingManagerPrivate *priv;
 199
 200         /* We remove the timeout here because the execute action could
 201            take too much time, and so this will be called again */
 202         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(helper->manager);
 203         timeout_handler = g_hash_table_lookup (priv->delayed_calls, helper->name);
 204
 205         if (GPOINTER_TO_INT (timeout_handler) > 0) {
 206                 g_source_remove (GPOINTER_TO_INT (timeout_handler));
 207         }
 208
 209         gdk_threads_enter ();
 210         modest_dimming_rules_group_execute (helper->group);
 211         gdk_threads_leave ();
 212
 213         return FALSE;
 214 }
 215
 216 static void
 217 process_dimming_rules_delayed_destroyer (gpointer data)
 218 {
 219         DelayedDimmingRules *helper = (DelayedDimmingRules *) data;
 220         ModestUIDimmingManagerPrivate *priv;
 221
 222         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(helper->manager);
 223         g_hash_table_remove (priv->delayed_calls, helper->name);
 224         g_free (helper->name);
 225         g_object_unref (helper->manager);
 226         g_slice_free (DelayedDimmingRules, helper);
 227 }
 228
 229 void
 230 modest_ui_dimming_manager_process_dimming_rules_group (ModestUIDimmingManager *self,
 231                                                        const gchar *group_name)
 232 {
 233         ModestDimmingRulesGroup *group = NULL;
 234         ModestUIDimmingManagerPrivate *priv;
 235         guint *handler, new_handler;
 236         DelayedDimmingRules *helper;
 237
 238         g_return_if_fail (group_name != NULL);
 239
 240         priv = MODEST_UI_DIMMING_MANAGER_GET_PRIVATE(self);
 241
 242         /* Search group by name */
 243         group = MODEST_DIMMING_RULES_GROUP(g_hash_table_lookup (priv->groups_map, group_name));
 244         g_return_if_fail (group != NULL);
 245
 246         /* If there was another pending dimming operation check then ignore this */
 247         handler = g_hash_table_lookup (priv->delayed_calls, group_name);
 248         if (!handler) {
 249                 /* Create the helper and start the timeout */
 250                 helper = g_slice_new (DelayedDimmingRules);
 251                 helper->group = group;
 252                 helper->manager = g_object_ref (self);
 253                 helper->name = g_strdup (group_name);
 254                 new_handler = g_timeout_add_full (G_PRIORITY_DEFAULT, 100, process_dimming_rules_delayed,
 255                                                   helper, process_dimming_rules_delayed_destroyer);
 256                 g_hash_table_insert (priv->delayed_calls, g_strdup (group_name), GINT_TO_POINTER (new_handler));
 257                 MODEST_DEBUG_BLOCK(g_print ("---------------------Adding %d\n", new_handler););
 258         } else {
 259                 MODEST_DEBUG_BLOCK(g_print ("---------------------Ignoring\n"););
 260         }
 261 }
 262
 263
 264 static void
 265 _process_all_rules (gpointer key, gpointer value, gpointer user_data)
 266 {
 267         g_return_if_fail (MODEST_IS_DIMMING_RULES_GROUP (value));
 268
 269         modest_dimming_rules_group_execute (MODEST_DIMMING_RULES_GROUP (value));
 270 }
 271