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 };
  45 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  46                                                MODEST_TYPE_SINGLETONS, \
  47                                                ModestSingletonsPrivate))
  48 /* globals */
  49 static GObjectClass *parent_class = NULL;
  50
  51 GType
  52 modest_singletons_get_type (void)
  53 {
  54         static GType my_type = 0;
  55         if (!my_type) {
  56                 static const GTypeInfo my_info = {
  57                         sizeof(ModestSingletonsClass),
  58                         NULL,           /* base init */
  59                         NULL,           /* base finalize */
  60                         (GClassInitFunc) modest_singletons_class_init,
  61                         NULL,           /* class finalize */
  62                         NULL,           /* class data */
  63                         sizeof(ModestSingletons),
  64                         1,              /* n_preallocs */
  65                         (GInstanceInitFunc) modest_singletons_init,
  66                         NULL
  67                 };
  68                 my_type = g_type_register_static (G_TYPE_OBJECT,
  69                                                   "ModestSingletons",
  70                                                   &my_info, 0);
  71         }
  72         return my_type;
  73 }
  74
  75 static void
  76 modest_singletons_class_init (ModestSingletonsClass *klass)
  77 {
  78         GObjectClass *gobject_class;
  79         gobject_class = (GObjectClass*) klass;
  80
  81         parent_class            = g_type_class_peek_parent (klass);
  82         gobject_class->finalize = modest_singletons_finalize;
  83
  84         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  85 }
  86
  87 static void
  88 modest_singletons_init (ModestSingletons *obj)
  89 {
  90         ModestSingletonsPrivate *priv;
  91         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
  92
  93         priv->conf           = NULL;
  94         priv->account_mgr    = NULL;
  95         priv->account_store  = NULL;
  96         priv->cache_mgr      = NULL;
  97         priv->mail_op_queue  = NULL;
  98
  99         priv->conf           = modest_conf_new ();
 100         if (!priv->conf) {
 101                 g_printerr ("modest: cannot create modest conf instance\n");
 102                 return;
 103         }
 104
 105         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 106         if (!priv->account_mgr) {
 107                 g_printerr ("modest: cannot create modest account mgr instance\n");
 108                 return;
 109         }
 110
 111         priv->account_store  = modest_tny_account_store_new (priv->account_mgr);
 112         if (!priv->account_store) {
 113                 g_printerr ("modest: cannot create modest tny account store instance\n");
 114                 return;
 115         }
 116
 117         priv->cache_mgr     = modest_cache_mgr_new ();
 118         if (!priv->cache_mgr) {
 119                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 120                 return;
 121         }
 122
 123         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 124         if (!priv->mail_op_queue) {
 125                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 126                 return;
 127         }
 128 }
 129
 130
 131 static void
 132 check_object_is_dead (GObject *obj, gchar *name)
 133 {
 134         if (G_IS_OBJECT(obj))
 135                 g_printerr ("modest: %s is still alive\n", name);
 136 }
 137
 138 static void
 139 modest_singletons_finalize (GObject *obj)
 140 {
 141         ModestSingletonsPrivate *priv;
 142         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 143
 144         if (priv->account_store) {
 145                 g_object_unref (G_OBJECT(priv->account_store));
 146                 check_object_is_dead ((GObject*)priv->account_store,
 147                                       "priv->account_store");
 148                 priv->account_store = NULL;
 149         }
 150
 151         if (priv->account_mgr) {
 152                 g_object_unref (G_OBJECT(priv->account_mgr));
 153                 check_object_is_dead ((GObject*)priv->account_mgr,
 154                                       "priv->account_mgr");
 155                 priv->account_mgr = NULL;
 156         }
 157
 158         if (priv->conf) {
 159                 g_object_unref (G_OBJECT(priv->conf));
 160                 check_object_is_dead ((GObject*)priv->conf,
 161                                       "priv->conf");
 162                 priv->conf = NULL;
 163         }
 164
 165         if (priv->cache_mgr) {
 166                 g_object_unref (G_OBJECT(priv->cache_mgr));
 167                 check_object_is_dead ((GObject*)priv->cache_mgr,
 168                                       "priv->cache_mgr");
 169                 priv->cache_mgr = NULL;
 170         }
 171
 172         G_OBJECT_CLASS(parent_class)->finalize (obj);
 173 }
 174
 175 ModestSingletons*
 176 modest_singletons_new (void)
 177 {
 178         ModestSingletonsPrivate *priv;
 179         ModestSingletons *self;
 180
 181         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 182         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 183
 184         /* widget_factory will still be NULL, as it is initialized lazily */
 185         if (!(priv->conf && priv->account_mgr && priv->account_store &&
 186               priv->cache_mgr && priv->mail_op_queue)) {
 187                 g_printerr ("modest: failed to create singletons instance\n");
 188                 g_object_unref (G_OBJECT(self));
 189                 self = NULL;
 190         }
 191
 192         return self;
 193 }
 194
 195
 196 ModestConf*
 197 modest_singletons_get_conf (ModestSingletons *self)
 198 {
 199         g_return_val_if_fail (self, NULL);
 200         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 201 }
 202
 203 ModestAccountMgr*
 204 modest_singletons_get_account_mgr (ModestSingletons *self)
 205 {
 206         g_return_val_if_fail (self, NULL);
 207         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 208 }
 209
 210 ModestTnyAccountStore*
 211 modest_singletons_get_account_store (ModestSingletons *self)
 212 {
 213         g_return_val_if_fail (self, NULL);
 214         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_store;
 215 }
 216
 217 ModestCacheMgr*
 218 modest_singletons_get_cache_mgr (ModestSingletons *self)
 219 {
 220         g_return_val_if_fail (self, NULL);
 221         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 222 }
 223
 224 ModestMailOperationQueue*
 225 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 226 {
 227         g_return_val_if_fail (self, NULL);
 228         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 229 }