git.maemo.org Git - modest/blob - src/modest-singletons.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-singletons.h"
  31
  32 /* 'private'/'protected' functions */
  33 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  34 static void modest_singletons_init       (ModestSingletons *obj);
  35 static void modest_singletons_finalize   (GObject *obj);
  36
  37 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  38 struct _ModestSingletonsPrivate {
  39         ModestConf                *conf;
  40         ModestAccountMgr          *account_mgr;
  41         ModestTnyAccountStore     *account_store;
  42         ModestCacheMgr            *cache_mgr;
  43         ModestMailOperationQueue  *mail_op_queue;
  44         ModestWidgetFactory       *widget_factory;
  45 };
  46 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  47                                                MODEST_TYPE_SINGLETONS, \
  48                                                ModestSingletonsPrivate))
  49 /* globals */
  50 static GObjectClass *parent_class = NULL;
  51
  52 GType
  53 modest_singletons_get_type (void)
  54 {
  55         static GType my_type = 0;
  56         if (!my_type) {
  57                 static const GTypeInfo my_info = {
  58                         sizeof(ModestSingletonsClass),
  59                         NULL,           /* base init */
  60                         NULL,           /* base finalize */
  61                         (GClassInitFunc) modest_singletons_class_init,
  62                         NULL,           /* class finalize */
  63                         NULL,           /* class data */
  64                         sizeof(ModestSingletons),
  65                         1,              /* n_preallocs */
  66                         (GInstanceInitFunc) modest_singletons_init,
  67                         NULL
  68                 };
  69                 my_type = g_type_register_static (G_TYPE_OBJECT,
  70                                                   "ModestSingletons",
  71                                                   &my_info, 0);
  72         }
  73         return my_type;
  74 }
  75
  76 static void
  77 modest_singletons_class_init (ModestSingletonsClass *klass)
  78 {
  79         GObjectClass *gobject_class;
  80         gobject_class = (GObjectClass*) klass;
  81
  82         parent_class            = g_type_class_peek_parent (klass);
  83         gobject_class->finalize = modest_singletons_finalize;
  84
  85         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  86 }
  87
  88 static void
  89 modest_singletons_init (ModestSingletons *obj)
  90 {
  91         ModestSingletonsPrivate *priv;
  92         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
  93
  94         priv->conf           = NULL;
  95         priv->account_mgr    = NULL;
  96         priv->account_store  = NULL;
  97         priv->cache_mgr      = NULL;
  98         priv->mail_op_queue  = NULL;
  99         priv->widget_factory = NULL;
 100
 101         priv->conf           = modest_conf_new ();
 102         if (!priv->conf) {
 103                 g_printerr ("modest: cannot create modest conf instance\n");
 104                 return;
 105         }
 106
 107         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 108         if (!priv->account_mgr) {
 109                 g_printerr ("modest: cannot create modest account mgr instance\n");
 110                 return;
 111         }
 112
 113         priv->account_store  = modest_tny_account_store_new (priv->account_mgr);
 114         if (!priv->account_store) {
 115                 g_printerr ("modest: cannot create modest tny account store instance\n");
 116                 return;
 117         }
 118
 119         priv->cache_mgr     = modest_cache_mgr_new ();
 120         if (!priv->cache_mgr) {
 121                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 122                 return;
 123         }
 124
 125         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 126         if (!priv->mail_op_queue) {
 127                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 128                 return;
 129         }
 130
 131         /* don't initialize widget_factory here, but do it lazily, so we can
 132          * instaniatie modest-singletons before gtk_init
 133          */
 134 }
 135
 136
 137 static void
 138 check_object_is_dead (GObject *obj, gchar *name)
 139 {
 140         if (G_IS_OBJECT(obj))
 141                 g_printerr ("modest: %s is still alive\n", name);
 142 }
 143
 144 static void
 145 modest_singletons_finalize (GObject *obj)
 146 {
 147         ModestSingletonsPrivate *priv;
 148         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 149
 150         if (priv->widget_factory) {
 151                 g_object_unref (G_OBJECT(priv->widget_factory));
 152                 check_object_is_dead ((GObject*)priv->widget_factory,
 153                                       "priv->widget_factory");
 154                 priv->widget_factory = NULL;
 155         }
 156
 157         if (priv->account_store) {
 158                 g_object_unref (G_OBJECT(priv->account_store));
 159                 check_object_is_dead ((GObject*)priv->account_store,
 160                                       "priv->account_store");
 161                 priv->account_store = NULL;
 162         }
 163
 164
 165         if (priv->account_mgr) {
 166                 g_object_unref (G_OBJECT(priv->account_mgr));
 167                 check_object_is_dead ((GObject*)priv->account_mgr,
 168                                       "priv->account_mgr");
 169                 priv->account_mgr = NULL;
 170         }
 171
 172         if (priv->conf) {
 173                 g_object_unref (G_OBJECT(priv->conf));
 174                 check_object_is_dead ((GObject*)priv->conf,
 175                                       "priv->conf");
 176                 priv->conf = NULL;
 177         }
 178
 179         if (priv->cache_mgr) {
 180                 g_object_unref (G_OBJECT(priv->cache_mgr));
 181                 check_object_is_dead ((GObject*)priv->cache_mgr,
 182                                       "priv->cache_mgr");
 183                 priv->cache_mgr = NULL;
 184         }
 185
 186         G_OBJECT_CLASS(parent_class)->finalize (obj);
 187 }
 188
 189 ModestSingletons*
 190 modest_singletons_new (void)
 191 {
 192         ModestSingletonsPrivate *priv;
 193         ModestSingletons *self;
 194
 195         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 196         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 197
 198         /* widget_factory will still be NULL, as it is initialized lazily */
 199         if (!(priv->conf && priv->account_mgr && priv->account_store &&
 200               priv->cache_mgr && priv->mail_op_queue)) {
 201                 g_printerr ("modest: failed to create singletons instance\n");
 202                 g_object_unref (G_OBJECT(self));
 203                 self = NULL;
 204         }
 205
 206         return self;
 207 }
 208
 209
 210 ModestConf*
 211 modest_singletons_get_conf (ModestSingletons *self)
 212 {
 213         g_return_val_if_fail (self, NULL);
 214         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 215 }
 216
 217 ModestAccountMgr*
 218 modest_singletons_get_account_mgr (ModestSingletons *self)
 219 {
 220         g_return_val_if_fail (self, NULL);
 221         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 222 }
 223
 224 ModestTnyAccountStore*
 225 modest_singletons_get_account_store (ModestSingletons *self)
 226 {
 227         g_return_val_if_fail (self, NULL);
 228         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_store;
 229 }
 230
 231 ModestCacheMgr*
 232 modest_singletons_get_cache_mgr (ModestSingletons *self)
 233 {
 234         g_return_val_if_fail (self, NULL);
 235         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 236 }
 237
 238 ModestMailOperationQueue*
 239 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 240 {
 241         g_return_val_if_fail (self, NULL);
 242         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 243 }
 244
 245
 246 ModestWidgetFactory*
 247 modest_singletons_get_widget_factory (ModestSingletons *self)
 248 {
 249         ModestSingletonsPrivate *priv;
 250
 251         g_return_val_if_fail (self, NULL);
 252
 253         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 254
 255         if (G_UNLIKELY(!priv->widget_factory))
 256                 priv->widget_factory = modest_widget_factory_new (priv->account_store);
 257         if (G_UNLIKELY(!priv->widget_factory)) {
 258                 g_printerr ("modest: cannot create modest widget factory instance\n");
 259                 return NULL;
 260         }
 261         return priv->widget_factory;
 262 }
 263