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 #include "modest-debug.h"
  33
  34 /* 'private'/'protected' functions */
  35 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  36 static void modest_singletons_init       (ModestSingletons *obj);
  37 static void modest_singletons_finalize   (GObject *obj);
  38
  39 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  40 struct _ModestSingletonsPrivate {
  41         ModestConf                *conf;
  42         ModestAccountMgr          *account_mgr;
  43         ModestEmailClipboard      *email_clipboard;
  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->cache_mgr       = NULL;
 102         priv->mail_op_queue   = NULL;
 103         priv->platform_fact   = NULL;
 104         priv->device          = NULL;
 105         priv->window_mgr      = NULL;
 106
 107         priv->conf           = modest_conf_new ();
 108         if (!priv->conf) {
 109                 g_printerr ("modest: cannot create modest conf instance\n");
 110                 return;
 111         }
 112
 113         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 114         if (!priv->account_mgr) {
 115                 g_printerr ("modest: cannot create modest account mgr instance\n");
 116                 return;
 117         }
 118
 119         priv->email_clipboard    = modest_email_clipboard_new ();
 120         if (!priv->email_clipboard) {
 121                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 122                 return;
 123         }
 124
 125         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 126         if (!priv->platform_fact) {
 127                 g_printerr ("modest: cannot create platform factory instance\n");
 128                 return;
 129         }
 130
 131         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 132         if (!priv->device) {
 133                 g_printerr ("modest: cannot create tny device instance\n");
 134                 return;
 135         }
 136
 137         priv->cache_mgr     = modest_cache_mgr_new ();
 138         if (!priv->cache_mgr) {
 139                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 140                 return;
 141         }
 142
 143         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 144         if (!priv->mail_op_queue) {
 145                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 146                 return;
 147         }
 148
 149         priv->window_mgr = modest_window_mgr_new ();
 150         if (!priv->window_mgr) {
 151                 g_printerr ("modest: cannot create modest window manager instance\n");
 152                 return;
 153         }
 154 }
 155
 156 static void
 157 modest_singletons_finalize (GObject *obj)
 158 {
 159         ModestSingletonsPrivate *priv;
 160
 161         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 162
 163         if (priv->window_mgr) {
 164                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->window_mgr,"");
 165                 g_object_unref (G_OBJECT(priv->window_mgr));
 166                 priv->window_mgr = NULL;
 167         }
 168
 169         if (priv->mail_op_queue) {
 170                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->mail_op_queue,"");
 171                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 172                 priv->mail_op_queue = NULL;
 173         }
 174
 175         if (priv->cache_mgr) {
 176                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->cache_mgr,"");
 177                 g_object_unref (G_OBJECT(priv->cache_mgr));
 178                 priv->cache_mgr = NULL;
 179         }
 180
 181         if (priv->device) {
 182                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->device,"");
 183                 g_object_unref (G_OBJECT(priv->device));
 184                 priv->device = NULL;
 185         }
 186
 187         if (priv->platform_fact) {
 188                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->platform_fact,"");
 189                 g_object_unref (G_OBJECT(priv->platform_fact));
 190                 priv->platform_fact = NULL;
 191         }
 192
 193         if (priv->email_clipboard) {
 194                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->email_clipboard,"");
 195                 g_object_unref (G_OBJECT(priv->email_clipboard));
 196                 priv->email_clipboard = NULL;
 197         }
 198
 199         /* It is important that the account manager is uninitialized after
 200          * the mail op queue is uninitialized because the mail op queue
 201          * cancells any mail operations which in turn access the account
 202          * manager (see modest_mail_operation_notify_end()). */
 203         if (priv->account_mgr) {
 204                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->account_mgr,"");
 205                 g_object_unref (G_OBJECT(priv->account_mgr));
 206                 priv->account_mgr = NULL;
 207         }
 208
 209         if (priv->conf) {
 210                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->conf,"");
 211                 g_object_unref (G_OBJECT(priv->conf));
 212                 priv->conf = NULL;
 213         }
 214
 215         G_OBJECT_CLASS(parent_class)->finalize (obj);
 216 }
 217
 218 ModestSingletons*
 219 modest_singletons_new (void)
 220 {
 221         ModestSingletonsPrivate *priv;
 222         ModestSingletons *self;
 223         static gboolean invoked = FALSE;
 224
 225         if (invoked) {
 226                 g_printerr ("%s: modest: modest_singletons_new may only be called once, aborting...\n",
 227                             __FUNCTION__);
 228                 abort();
 229                 return NULL;
 230         }
 231
 232         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 233         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 234
 235         /* widget_factory will still be NULL, as it is initialized lazily */
 236         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 237               priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
 238                 g_printerr ("modest: failed to create singletons object\n");
 239                 g_object_unref (G_OBJECT(self));
 240                 self = NULL;
 241         }
 242
 243         invoked = TRUE;
 244         return self;
 245 }
 246
 247
 248 ModestConf*
 249 modest_singletons_get_conf (ModestSingletons *self)
 250 {
 251         g_return_val_if_fail (self, NULL);
 252         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 253 }
 254
 255 ModestAccountMgr*
 256 modest_singletons_get_account_mgr (ModestSingletons *self)
 257 {
 258         g_return_val_if_fail (self, NULL);
 259         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 260 }
 261
 262 ModestEmailClipboard*
 263 modest_singletons_get_email_clipboard (ModestSingletons *self)
 264 {
 265         g_return_val_if_fail (self, NULL);
 266         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 267 }
 268
 269 ModestCacheMgr*
 270 modest_singletons_get_cache_mgr (ModestSingletons *self)
 271 {
 272         g_return_val_if_fail (self, NULL);
 273         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 274 }
 275
 276 ModestMailOperationQueue*
 277 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 278 {
 279         g_return_val_if_fail (self, NULL);
 280         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 281 }
 282
 283 TnyDevice*
 284 modest_singletons_get_device (ModestSingletons *self)
 285 {
 286         g_return_val_if_fail (self, NULL);
 287         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 288 }
 289
 290
 291 TnyPlatformFactory*
 292 modest_singletons_get_platform_factory (ModestSingletons *self)
 293 {
 294         g_return_val_if_fail (self, NULL);
 295         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 296 }
 297
 298 ModestWindowMgr*
 299 modest_singletons_get_window_mgr (ModestSingletons *self)
 300 {
 301         g_return_val_if_fail (self, NULL);
 302         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 303 }