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-defs.h"
  33 #include "modest-debug.h"
  34 #include <tny-fs-stream-cache.h>
  35
  36 /* 'private'/'protected' functions */
  37 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  38 static void modest_singletons_init       (ModestSingletons *obj);
  39 static void modest_singletons_finalize   (GObject *obj);
  40
  41 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  42 struct _ModestSingletonsPrivate {
  43         ModestConf                *conf;
  44         ModestAccountMgr          *account_mgr;
  45         ModestEmailClipboard      *email_clipboard;
  46         ModestCacheMgr            *cache_mgr;
  47         ModestMailOperationQueue  *mail_op_queue;
  48         TnyPlatformFactory        *platform_fact;
  49         TnyDevice                 *device;
  50         ModestWindowMgr           *window_mgr;
  51         ModestProtocolRegistry    *protocol_registry;
  52         ModestPluginFactory   *plugin_factory;
  53         TnyStreamCache            *images_cache;
  54 };
  55 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  56                                                MODEST_TYPE_SINGLETONS, \
  57                                                ModestSingletonsPrivate))
  58 /* globals */
  59 static GObjectClass *parent_class = NULL;
  60
  61 GType
  62 modest_singletons_get_type (void)
  63 {
  64         static GType my_type = 0;
  65         if (!my_type) {
  66                 static const GTypeInfo my_info = {
  67                         sizeof(ModestSingletonsClass),
  68                         NULL,           /* base init */
  69                         NULL,           /* base finalize */
  70                         (GClassInitFunc) modest_singletons_class_init,
  71                         NULL,           /* class finalize */
  72                         NULL,           /* class data */
  73                         sizeof(ModestSingletons),
  74                         1,              /* n_preallocs */
  75                         (GInstanceInitFunc) modest_singletons_init,
  76                         NULL
  77                 };
  78                 my_type = g_type_register_static (G_TYPE_OBJECT,
  79                                                   "ModestSingletons",
  80                                                   &my_info, 0);
  81         }
  82         return my_type;
  83 }
  84
  85 static void
  86 modest_singletons_class_init (ModestSingletonsClass *klass)
  87 {
  88         GObjectClass *gobject_class;
  89         gobject_class = (GObjectClass*) klass;
  90
  91         parent_class            = g_type_class_peek_parent (klass);
  92         gobject_class->finalize = modest_singletons_finalize;
  93
  94         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  95 }
  96
  97 static void
  98 modest_singletons_init (ModestSingletons *obj)
  99 {
 100         ModestSingletonsPrivate *priv;
 101         gchar *images_cache_path;
 102         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 103
 104         priv->conf            = NULL;
 105         priv->account_mgr     = NULL;
 106         priv->email_clipboard = NULL;
 107         priv->cache_mgr       = NULL;
 108         priv->mail_op_queue   = NULL;
 109         priv->platform_fact   = NULL;
 110         priv->device          = NULL;
 111         priv->window_mgr      = NULL;
 112         priv->protocol_registry = NULL;
 113         priv->plugin_factory = NULL;
 114
 115         priv->protocol_registry = modest_protocol_registry_new ();
 116         if (!priv->protocol_registry) {
 117                 g_printerr ("modest:cannot create protocol registry instance\n");
 118                 return;
 119         }
 120         modest_protocol_registry_set_to_default (priv->protocol_registry);
 121         priv->images_cache    = NULL;
 122
 123         priv->conf           = modest_conf_new ();
 124         if (!priv->conf) {
 125                 g_printerr ("modest: cannot create modest conf instance\n");
 126                 return;
 127         }
 128
 129         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 130         if (!priv->account_mgr) {
 131                 g_printerr ("modest: cannot create modest account mgr instance\n");
 132                 return;
 133         }
 134
 135         priv->email_clipboard    = modest_email_clipboard_new ();
 136         if (!priv->email_clipboard) {
 137                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 138                 return;
 139         }
 140
 141         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 142         if (!priv->platform_fact) {
 143                 g_printerr ("modest: cannot create platform factory instance\n");
 144                 return;
 145         }
 146
 147         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 148         if (!priv->device) {
 149                 g_printerr ("modest: cannot create tny device instance\n");
 150                 return;
 151         }
 152
 153         priv->cache_mgr     = modest_cache_mgr_new ();
 154         if (!priv->cache_mgr) {
 155                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 156                 return;
 157         }
 158
 159         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 160         if (!priv->mail_op_queue) {
 161                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 162                 return;
 163         }
 164
 165         priv->window_mgr = modest_window_mgr_new ();
 166         if (!priv->window_mgr) {
 167                 g_printerr ("modest: cannot create modest window manager instance\n");
 168                 return;
 169         }
 170
 171         priv->plugin_factory = modest_plugin_factory_new ();
 172         if (!priv->plugin_factory) {
 173                 g_printerr ("modest: cannot create modest mail plugin factory instance\n");
 174                 return;
 175         }
 176
 177         images_cache_path = g_build_filename (g_get_home_dir (), MODEST_DIR, MODEST_IMAGES_CACHE_DIR, NULL);
 178         priv->images_cache = tny_fs_stream_cache_new (images_cache_path, MODEST_IMAGES_CACHE_SIZE);
 179         g_free (images_cache_path);
 180         if (!priv->images_cache) {
 181                 g_printerr ("modest: cannot create images cache instance\n");
 182                 return;
 183         }
 184
 185 }
 186
 187 static void
 188 modest_singletons_finalize (GObject *obj)
 189 {
 190         ModestSingletonsPrivate *priv;
 191
 192         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 193
 194         if (priv->images_cache) {
 195                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF (priv->images_cache, "");
 196                 g_object_unref (G_OBJECT (priv->images_cache));
 197                 priv->images_cache = NULL;
 198         }
 199
 200         if (priv->window_mgr) {
 201                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->window_mgr,"");
 202                 g_object_unref (G_OBJECT(priv->window_mgr));
 203                 priv->window_mgr = NULL;
 204         }
 205
 206         if (priv->mail_op_queue) {
 207                 MODEST_DEBUG_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         if (priv->cache_mgr) {
 213                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->cache_mgr,"");
 214                 g_object_unref (G_OBJECT(priv->cache_mgr));
 215                 priv->cache_mgr = NULL;
 216         }
 217
 218         if (priv->device) {
 219                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->device,"");
 220                 g_object_unref (G_OBJECT(priv->device));
 221                 priv->device = NULL;
 222         }
 223
 224         if (priv->platform_fact) {
 225                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->platform_fact,"");
 226                 g_object_unref (G_OBJECT(priv->platform_fact));
 227                 priv->platform_fact = NULL;
 228         }
 229
 230         if (priv->email_clipboard) {
 231                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->email_clipboard,"");
 232                 g_object_unref (G_OBJECT(priv->email_clipboard));
 233                 priv->email_clipboard = NULL;
 234         }
 235
 236         /* It is important that the account manager is uninitialized after
 237          * the mail op queue is uninitialized because the mail op queue
 238          * cancells any mail operations which in turn access the account
 239          * manager (see modest_mail_operation_notify_end()). */
 240         if (priv->account_mgr) {
 241                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->account_mgr,"");
 242                 g_object_unref (G_OBJECT(priv->account_mgr));
 243                 priv->account_mgr = NULL;
 244         }
 245
 246         if (priv->conf) {
 247                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->conf,"");
 248                 g_object_unref (G_OBJECT(priv->conf));
 249                 priv->conf = NULL;
 250         }
 251
 252         G_OBJECT_CLASS(parent_class)->finalize (obj);
 253 }
 254
 255 ModestSingletons*
 256 modest_singletons_new (void)
 257 {
 258         ModestSingletonsPrivate *priv;
 259         ModestSingletons *self;
 260         static gboolean invoked = FALSE;
 261
 262         if (invoked) {
 263                 g_printerr ("%s: modest: modest_singletons_new may only be called once, aborting...\n",
 264                             __FUNCTION__);
 265                 abort();
 266                 return NULL;
 267         }
 268
 269         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 270         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 271
 272         /* widget_factory will still be NULL, as it is initialized lazily */
 273         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 274               priv->cache_mgr && priv->mail_op_queue && priv->device &&
 275               priv->platform_fact && priv->plugin_factory)) {
 276                 g_printerr ("modest: failed to create singletons object\n");
 277                 g_object_unref (G_OBJECT(self));
 278                 self = NULL;
 279         }
 280
 281         invoked = TRUE;
 282         return self;
 283 }
 284
 285
 286 ModestConf*
 287 modest_singletons_get_conf (ModestSingletons *self)
 288 {
 289         g_return_val_if_fail (self, NULL);
 290         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 291 }
 292
 293 ModestAccountMgr*
 294 modest_singletons_get_account_mgr (ModestSingletons *self)
 295 {
 296         g_return_val_if_fail (self, NULL);
 297         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 298 }
 299
 300 ModestEmailClipboard*
 301 modest_singletons_get_email_clipboard (ModestSingletons *self)
 302 {
 303         g_return_val_if_fail (self, NULL);
 304         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 305 }
 306
 307 ModestCacheMgr*
 308 modest_singletons_get_cache_mgr (ModestSingletons *self)
 309 {
 310         g_return_val_if_fail (self, NULL);
 311         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 312 }
 313
 314 ModestMailOperationQueue*
 315 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 316 {
 317         g_return_val_if_fail (self, NULL);
 318         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 319 }
 320
 321 TnyDevice*
 322 modest_singletons_get_device (ModestSingletons *self)
 323 {
 324         g_return_val_if_fail (self, NULL);
 325         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 326 }
 327
 328
 329 TnyPlatformFactory*
 330 modest_singletons_get_platform_factory (ModestSingletons *self)
 331 {
 332         g_return_val_if_fail (self, NULL);
 333         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 334 }
 335
 336 ModestWindowMgr*
 337 modest_singletons_get_window_mgr (ModestSingletons *self)
 338 {
 339         g_return_val_if_fail (self, NULL);
 340         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 341 }
 342
 343 ModestProtocolRegistry*
 344 modest_singletons_get_protocol_registry (ModestSingletons *self)
 345 {
 346         g_return_val_if_fail (self, NULL);
 347         return MODEST_SINGLETONS_GET_PRIVATE(self)->protocol_registry;
 348 }
 349
 350 TnyStreamCache*
 351 modest_singletons_get_images_cache (ModestSingletons *self)
 352 {
 353         g_return_val_if_fail (self, NULL);
 354         return MODEST_SINGLETONS_GET_PRIVATE(self)->images_cache;
 355 }
 356
 357 ModestPluginFactory *
 358 modest_singletons_get_plugin_factory (ModestSingletons *self)
 359 {
 360         g_return_val_if_fail (self, NULL);
 361
 362         return MODEST_SINGLETONS_GET_PRIVATE (self)->plugin_factory;
 363 }