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 #include "modest-runtime.h"
  32
  33 /* 'private'/'protected' functions */
  34 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  35 static void modest_singletons_init       (ModestSingletons *obj);
  36 static void modest_singletons_finalize   (GObject *obj);
  37
  38 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  39 struct _ModestSingletonsPrivate {
  40         ModestConf                *conf;
  41         ModestAccountMgr          *account_mgr;
  42         ModestEmailClipboard      *email_clipboard;
  43         ModestTnyAccountStore     *account_store;
  44         ModestCacheMgr            *cache_mgr;
  45         ModestMailOperationQueue  *mail_op_queue;
  46         TnyPlatformFactory        *platform_fact;
  47         TnyDevice                 *device;
  48         ModestWindowMgr           *window_mgr;
  49 };
  50 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  51                                                MODEST_TYPE_SINGLETONS, \
  52                                                ModestSingletonsPrivate))
  53 /* globals */
  54 static GObjectClass *parent_class = NULL;
  55
  56 GType
  57 modest_singletons_get_type (void)
  58 {
  59         static GType my_type = 0;
  60         if (!my_type) {
  61                 static const GTypeInfo my_info = {
  62                         sizeof(ModestSingletonsClass),
  63                         NULL,           /* base init */
  64                         NULL,           /* base finalize */
  65                         (GClassInitFunc) modest_singletons_class_init,
  66                         NULL,           /* class finalize */
  67                         NULL,           /* class data */
  68                         sizeof(ModestSingletons),
  69                         1,              /* n_preallocs */
  70                         (GInstanceInitFunc) modest_singletons_init,
  71                         NULL
  72                 };
  73                 my_type = g_type_register_static (G_TYPE_OBJECT,
  74                                                   "ModestSingletons",
  75                                                   &my_info, 0);
  76         }
  77         return my_type;
  78 }
  79
  80 static void
  81 modest_singletons_class_init (ModestSingletonsClass *klass)
  82 {
  83         GObjectClass *gobject_class;
  84         gobject_class = (GObjectClass*) klass;
  85
  86         parent_class            = g_type_class_peek_parent (klass);
  87         gobject_class->finalize = modest_singletons_finalize;
  88
  89         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  90 }
  91
  92 static void
  93 modest_singletons_init (ModestSingletons *obj)
  94 {
  95         ModestSingletonsPrivate *priv;
  96         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
  97
  98         priv->conf            = NULL;
  99         priv->account_mgr     = NULL;
 100         priv->email_clipboard = NULL;
 101         priv->account_store   = NULL;
 102         priv->cache_mgr       = NULL;
 103         priv->mail_op_queue   = NULL;
 104         priv->platform_fact   = NULL;
 105         priv->device          = NULL;
 106         priv->window_mgr      = NULL;
 107
 108         priv->conf           = modest_conf_new ();
 109         if (!priv->conf) {
 110                 g_printerr ("modest: cannot create modest conf instance\n");
 111                 return;
 112         }
 113
 114         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 115         if (!priv->account_mgr) {
 116                 g_printerr ("modest: cannot create modest account mgr instance\n");
 117                 return;
 118         }
 119
 120         priv->email_clipboard    = modest_email_clipboard_new ();
 121         if (!priv->email_clipboard) {
 122                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 123                 return;
 124         }
 125
 126         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 127         if (!priv->platform_fact) {
 128                 g_printerr ("modest: cannot create platform factory instance\n");
 129                 return;
 130         }
 131
 132         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 133         if (!priv->device) {
 134                 g_printerr ("modest: cannot create tny device instance\n");
 135                 return;
 136         }
 137
 138         priv->account_store  = modest_tny_account_store_new (priv->account_mgr, priv->device);
 139         if (!priv->account_store) {
 140                 g_printerr ("modest: cannot create modest tny account store instance\n");
 141                 return;
 142         }
 143
 144         priv->cache_mgr     = modest_cache_mgr_new ();
 145         if (!priv->cache_mgr) {
 146                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 147                 return;
 148         }
 149
 150         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 151         if (!priv->mail_op_queue) {
 152                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 153                 return;
 154         }
 155
 156         priv->window_mgr = modest_window_mgr_new ();
 157         if (!priv->window_mgr) {
 158                 g_printerr ("modest: cannot create modest window manager instance\n");
 159                 return;
 160         }
 161 }
 162
 163 static void
 164 modest_singletons_finalize (GObject *obj)
 165 {
 166         ModestSingletonsPrivate *priv;
 167
 168         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 169
 170         if (priv->window_mgr) {
 171                 modest_runtime_verify_object_last_ref(priv->window_mgr,"");
 172                 g_object_unref (G_OBJECT(priv->window_mgr));
 173                 priv->window_mgr = NULL;
 174         }
 175
 176         if (priv->account_store) {
 177                 modest_runtime_verify_object_last_ref(priv->account_store,"");
 178                 g_object_unref (G_OBJECT(priv->account_store));
 179                 priv->account_store = NULL;
 180         }
 181
 182         if (priv->email_clipboard) {
 183                 modest_runtime_verify_object_last_ref(priv->email_clipboard,"");
 184                 g_object_unref (G_OBJECT(priv->email_clipboard));
 185                 priv->email_clipboard = NULL;
 186         }
 187
 188         if (priv->cache_mgr) {
 189                 modest_runtime_verify_object_last_ref(priv->cache_mgr,"");
 190                 g_object_unref (G_OBJECT(priv->cache_mgr));
 191                 priv->cache_mgr = NULL;
 192         }
 193
 194         if (priv->device) {
 195                 modest_runtime_verify_object_last_ref(priv->device,"");
 196                 g_object_unref (G_OBJECT(priv->device));
 197                 priv->device = NULL;
 198         }
 199
 200         if (priv->platform_fact) {
 201                 modest_runtime_verify_object_last_ref(priv->platform_fact,"");
 202                 g_object_unref (G_OBJECT(priv->platform_fact));
 203                 priv->platform_fact = NULL;
 204         }
 205
 206         if (priv->mail_op_queue) {
 207                 modest_runtime_verify_object_last_ref(priv->mail_op_queue,"");
 208                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 209                 priv->mail_op_queue = NULL;
 210         }
 211
 212         /* It is important that the account manager is uninitialized after
 213          * the mail op queue is uninitialized because the mail op queue
 214          * cancells any mail operations which in turn access the account
 215          * manager (see modest_mail_operation_notify_end()). */
 216         if (priv->account_mgr) {
 217                 modest_runtime_verify_object_last_ref(priv->account_mgr,"");
 218                 g_object_unref (G_OBJECT(priv->account_mgr));
 219                 priv->account_mgr = NULL;
 220         }
 221
 222         if (priv->conf) {
 223                 modest_runtime_verify_object_last_ref(priv->conf,"");
 224                 g_object_unref (G_OBJECT(priv->conf));
 225                 priv->conf = NULL;
 226         }
 227
 228         G_OBJECT_CLASS(parent_class)->finalize (obj);
 229 }
 230
 231 ModestSingletons*
 232 modest_singletons_new (void)
 233 {
 234         ModestSingletonsPrivate *priv;
 235         ModestSingletons *self;
 236         static gboolean invoked = FALSE;
 237
 238         if (invoked) {
 239                 g_printerr ("modest: modest_singletons_new may only be called once\n");
 240                 g_assert (!invoked); /* abort */
 241                 return NULL; /* g_assert may be NOP */
 242         }
 243
 244         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 245         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 246
 247         /* widget_factory will still be NULL, as it is initialized lazily */
 248         if (!(priv->conf && priv->account_mgr && priv->email_clipboard && priv->account_store &&
 249               priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
 250                 g_printerr ("modest: failed to create singletons object\n");
 251                 g_object_unref (G_OBJECT(self));
 252                 self = NULL;
 253         }
 254
 255         invoked = TRUE;
 256         return self;
 257 }
 258
 259
 260 ModestConf*
 261 modest_singletons_get_conf (ModestSingletons *self)
 262 {
 263         g_return_val_if_fail (self, NULL);
 264         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 265 }
 266
 267 ModestAccountMgr*
 268 modest_singletons_get_account_mgr (ModestSingletons *self)
 269 {
 270         g_return_val_if_fail (self, NULL);
 271         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 272 }
 273
 274 ModestEmailClipboard*
 275 modest_singletons_get_email_clipboard (ModestSingletons *self)
 276 {
 277         g_return_val_if_fail (self, NULL);
 278         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 279 }
 280
 281 ModestTnyAccountStore*
 282 modest_singletons_get_account_store (ModestSingletons *self)
 283 {
 284         g_return_val_if_fail (self, NULL);
 285         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_store;
 286 }
 287
 288 ModestCacheMgr*
 289 modest_singletons_get_cache_mgr (ModestSingletons *self)
 290 {
 291         g_return_val_if_fail (self, NULL);
 292         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 293 }
 294
 295 ModestMailOperationQueue*
 296 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 297 {
 298         g_return_val_if_fail (self, NULL);
 299         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 300 }
 301
 302 TnyDevice*
 303 modest_singletons_get_device (ModestSingletons *self)
 304 {
 305         g_return_val_if_fail (self, NULL);
 306         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 307 }
 308
 309
 310 TnyPlatformFactory*
 311 modest_singletons_get_platform_factory (ModestSingletons *self)
 312 {
 313         g_return_val_if_fail (self, NULL);
 314         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 315 }
 316
 317 ModestWindowMgr*
 318 modest_singletons_get_window_mgr (ModestSingletons *self)
 319 {
 320         g_return_val_if_fail (self, NULL);
 321         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 322 }