git.maemo.org Git - modest/blob - src/modest-dimming-rule.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-dimming-rule.h"
  31
  32 static void modest_dimming_rule_class_init (ModestDimmingRuleClass *klass);
  33 static void modest_dimming_rule_init       (ModestDimmingRule *obj);
  34 static void modest_dimming_rule_finalize   (GObject *obj);
  35
  36 typedef struct _ModestDimmingRulePrivate ModestDimmingRulePrivate;
  37 struct _ModestDimmingRulePrivate {
  38         ModestDimmingRulesGroup *group;
  39         ModestWindow *win;
  40         ModestDimmingCallback dimming_rule;
  41         gchar *action_path;
  42         GtkWidget *widget;
  43         gchar *notification;
  44 };
  45
  46 #define MODEST_DIMMING_RULE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  47                                                    MODEST_TYPE_DIMMING_RULE, \
  48                                                    ModestDimmingRulePrivate))
  49
  50 /* globals */
  51 static GObjectClass *parent_class = NULL;
  52
  53 GType
  54 modest_dimming_rule_get_type (void)
  55 {
  56         static GType my_type = 0;
  57         if (!my_type) {
  58                 static const GTypeInfo my_info = {
  59                         sizeof(ModestDimmingRuleClass),
  60                         NULL,           /* base init */
  61                         NULL,           /* base finalize */
  62                         (GClassInitFunc) modest_dimming_rule_class_init,
  63                         NULL,           /* class finalize */
  64                         NULL,           /* class data */
  65                         sizeof(ModestDimmingRule),
  66                         1,              /* n_preallocs */
  67                         (GInstanceInitFunc) modest_dimming_rule_init,
  68                         NULL
  69                 };
  70                 my_type = g_type_register_static (G_TYPE_OBJECT,
  71                                                   "ModestDimmingRule",
  72                                                   &my_info, 0);
  73         }
  74         return my_type;
  75 }
  76
  77 static void
  78 modest_dimming_rule_class_init (ModestDimmingRuleClass *klass)
  79 {
  80         GObjectClass *gobject_class;
  81         gobject_class = (GObjectClass*) klass;
  82
  83         parent_class            = g_type_class_peek_parent (klass);
  84         gobject_class->finalize = modest_dimming_rule_finalize;
  85
  86         g_type_class_add_private (gobject_class, sizeof(ModestDimmingRulePrivate));
  87 }
  88
  89 static void
  90 modest_dimming_rule_init (ModestDimmingRule *obj)
  91 {
  92         ModestDimmingRulePrivate *priv;
  93
  94         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
  95         priv->group= NULL;
  96         priv->win = NULL;
  97         priv->dimming_rule = NULL;
  98         priv->action_path = NULL;
  99         priv->widget = NULL;
 100         priv->notification = NULL;
 101 }
 102
 103 static void
 104 modest_dimming_rule_finalize (GObject *obj)
 105 {
 106         ModestDimmingRulePrivate *priv;
 107
 108         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 109
 110         if (priv->group != NULL)
 111                 g_object_unref(priv->group);
 112         if (priv->action_path != NULL)
 113                 g_free(priv->action_path);
 114         if (priv->notification != NULL)
 115                 g_free(priv->notification);
 116
 117         G_OBJECT_CLASS(parent_class)->finalize (obj);
 118 }
 119
 120
 121 ModestDimmingRule*
 122 modest_dimming_rule_new(ModestWindow *win,
 123                         ModestDimmingCallback dimming_rule,
 124                         const gchar *action_path)
 125 {
 126         ModestDimmingRule *obj;
 127         ModestDimmingRulePrivate *priv;
 128
 129         g_return_val_if_fail (MODEST_IS_WINDOW (win), NULL);
 130         g_return_val_if_fail (dimming_rule != NULL, NULL);
 131         g_return_val_if_fail (action_path != NULL, NULL);
 132
 133         obj = MODEST_DIMMING_RULE(g_object_new(MODEST_TYPE_DIMMING_RULE, NULL));
 134
 135         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 136         priv->win = win;
 137         priv->dimming_rule = dimming_rule;
 138         priv->action_path = g_strdup(action_path);
 139
 140         return obj;
 141 }
 142
 143 ModestDimmingRule*
 144 modest_dimming_rule_new_from_widget (ModestWindow *win,
 145                                      ModestDimmingCallback dimming_rule,
 146                                      GtkWidget *widget)
 147 {
 148         ModestDimmingRule *obj;
 149         ModestDimmingRulePrivate *priv;
 150
 151         g_return_val_if_fail (MODEST_IS_WINDOW (win), NULL);
 152         g_return_val_if_fail (dimming_rule != NULL, NULL);
 153         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
 154
 155         obj = MODEST_DIMMING_RULE(g_object_new(MODEST_TYPE_DIMMING_RULE, NULL));
 156
 157         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 158         priv->win = win;
 159         priv->dimming_rule = dimming_rule;
 160         priv->widget = widget;
 161
 162         return obj;
 163 }
 164
 165
 166 void
 167 modest_dimming_rule_process (ModestDimmingRule *self)
 168 {
 169
 170         ModestDimmingRulePrivate *priv = NULL;
 171         GtkAction *action = NULL;
 172         gboolean dimmed = FALSE;
 173
 174         priv = MODEST_DIMMING_RULE_GET_PRIVATE(self);
 175         g_return_if_fail (priv->win != NULL);
 176         g_return_if_fail (priv->dimming_rule != NULL);
 177         g_return_if_fail ((priv->action_path != NULL)|| GTK_IS_WIDGET (priv->widget));
 178
 179         /* process dimming rule */
 180         dimmed = priv->dimming_rule (priv->win, self);
 181
 182         /* Update dimming status */
 183         if (priv->action_path != NULL) {
 184                 action = modest_window_get_action (priv->win, priv->action_path);
 185                 if (action != NULL)
 186                         gtk_action_set_sensitive (action, !dimmed);
 187                 else
 188                         g_printerr ("modest: action path '%s' has not associatd action\n", priv->action_path);
 189         } else if (priv->widget != NULL) {
 190 #ifdef MODEST_TOOLKIT_HILDON2
 191                 if (GTK_IS_TOOL_ITEM (priv->widget)) {
 192                         gtk_widget_set_sensitive (priv->widget, !dimmed);
 193                 } else {
 194                         if (gtk_widget_get_ancestor (priv->widget, HILDON_TYPE_APP_MENU)) {
 195                                 if (dimmed)
 196                                         gtk_widget_hide (priv->widget);
 197                                 else
 198                                         gtk_widget_show (priv->widget);
 199                         } else {
 200                                 gtk_widget_set_sensitive (priv->widget, !dimmed);
 201                         }
 202                 }
 203 #else
 204                 gtk_widget_set_sensitive (priv->widget, !dimmed);
 205 #endif
 206         }
 207 }
 208
 209 void
 210 modest_dimming_rule_set_group (ModestDimmingRule *rule,
 211                                ModestDimmingRulesGroup *group)
 212 {
 213         ModestDimmingRulePrivate *priv = NULL;
 214
 215         g_return_if_fail (MODEST_IS_DIMMING_RULE (rule));
 216         g_return_if_fail (MODEST_IS_DIMMING_RULES_GROUP (group));
 217         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 218
 219         if (priv->group == group)
 220                 return;
 221         if (priv->group != NULL)
 222                 g_object_unref (priv->group);
 223         priv->group = g_object_ref (group);
 224 }
 225
 226 ModestDimmingRulesGroup *
 227 modest_dimming_rule_get_group (ModestDimmingRule *rule)
 228 {
 229         ModestDimmingRulePrivate *priv = NULL;
 230
 231         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 232         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 233         g_return_val_if_fail (MODEST_IS_DIMMING_RULES_GROUP (priv->group), NULL);
 234
 235         return g_object_ref(priv->group);
 236 }
 237
 238 void
 239 modest_dimming_rule_set_notification (ModestDimmingRule *rule,
 240                                       const gchar *notification)
 241 {
 242         ModestDimmingRulePrivate *priv = NULL;
 243
 244         g_return_if_fail (MODEST_IS_DIMMING_RULE (rule));
 245         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 246
 247         /* Free previous notification */
 248         if (priv->notification != NULL) {
 249                 g_free(priv->notification);
 250                 priv->notification = NULL;
 251         }
 252
 253         /* Set new notification message */
 254         if (notification != NULL)
 255                 priv->notification = g_strdup(notification);
 256 }
 257
 258 gchar *
 259 modest_dimming_rule_get_notification (ModestDimmingRule *rule)
 260 {
 261         ModestDimmingRulePrivate *priv = NULL;
 262
 263         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 264         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 265
 266         return g_strdup(priv->notification);
 267 }
 268
 269 GtkWidget *
 270 modest_dimming_rule_get_widget (ModestDimmingRule *rule)
 271 {
 272         ModestDimmingRulePrivate *priv = NULL;
 273
 274         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 275         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 276
 277         if (priv->action_path != NULL)
 278                 return modest_window_get_action_widget (MODEST_WINDOW (priv->win), priv->action_path);
 279         else
 280                 return priv->widget;
 281 }
 282
 283 const gchar *
 284 modest_dimming_rule_get_action_path (ModestDimmingRule *rule)
 285 {
 286         ModestDimmingRulePrivate *priv = NULL;
 287
 288         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 289         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 290
 291         return priv->action_path;
 292 }