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 #include <tny-fs-stream-cache.h>
  34
  35 /* 'private'/'protected' functions */
  36 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  37 static void modest_singletons_init       (ModestSingletons *obj);
  38 static void modest_singletons_finalize   (GObject *obj);
  39
  40 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  41 struct _ModestSingletonsPrivate {
  42         ModestConf                *conf;
  43         ModestAccountMgr          *account_mgr;
  44         ModestEmailClipboard      *email_clipboard;
  45         ModestCacheMgr            *cache_mgr;
  46         ModestMailOperationQueue  *mail_op_queue;
  47         TnyPlatformFactory        *platform_fact;
  48         TnyDevice                 *device;
  49         ModestWindowMgr           *window_mgr;
  50         TnyStreamCache            *images_cache;
  51 };
  52 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  53                                                MODEST_TYPE_SINGLETONS, \
  54                                                ModestSingletonsPrivate))
  55 /* globals */
  56 static GObjectClass *parent_class = NULL;
  57
  58 GType
  59 modest_singletons_get_type (void)
  60 {
  61         static GType my_type = 0;
  62         if (!my_type) {
  63                 static const GTypeInfo my_info = {
  64                         sizeof(ModestSingletonsClass),
  65                         NULL,           /* base init */
  66                         NULL,           /* base finalize */
  67                         (GClassInitFunc) modest_singletons_class_init,
  68                         NULL,           /* class finalize */
  69                         NULL,           /* class data */
  70                         sizeof(ModestSingletons),
  71                         1,              /* n_preallocs */
  72                         (GInstanceInitFunc) modest_singletons_init,
  73                         NULL
  74                 };
  75                 my_type = g_type_register_static (G_TYPE_OBJECT,
  76                                                   "ModestSingletons",
  77                                                   &my_info, 0);
  78         }
  79         return my_type;
  80 }
  81
  82 static void
  83 modest_singletons_class_init (ModestSingletonsClass *klass)
  84 {
  85         GObjectClass *gobject_class;
  86         gobject_class = (GObjectClass*) klass;
  87
  88         parent_class            = g_type_class_peek_parent (klass);
  89         gobject_class->finalize = modest_singletons_finalize;
  90
  91         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  92 }
  93
  94 static void
  95 modest_singletons_init (ModestSingletons *obj)
  96 {
  97         ModestSingletonsPrivate *priv;
  98         gchar *images_cache_path;
  99         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 100
 101         priv->conf            = NULL;
 102         priv->account_mgr     = NULL;
 103         priv->email_clipboard = NULL;
 104         priv->cache_mgr       = NULL;
 105         priv->mail_op_queue   = NULL;
 106         priv->platform_fact   = NULL;
 107         priv->device          = NULL;
 108         priv->window_mgr      = NULL;
 109         priv->images_cache    = NULL;
 110
 111         priv->conf           = modest_conf_new ();
 112         if (!priv->conf) {
 113                 g_printerr ("modest: cannot create modest conf instance\n");
 114                 return;
 115         }
 116
 117         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 118         if (!priv->account_mgr) {
 119                 g_printerr ("modest: cannot create modest account mgr instance\n");
 120                 return;
 121         }
 122
 123         priv->email_clipboard    = modest_email_clipboard_new ();
 124         if (!priv->email_clipboard) {
 125                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 126                 return;
 127         }
 128
 129         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 130         if (!priv->platform_fact) {
 131                 g_printerr ("modest: cannot create platform factory instance\n");
 132                 return;
 133         }
 134
 135         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 136         if (!priv->device) {
 137                 g_printerr ("modest: cannot create tny device instance\n");
 138                 return;
 139         }
 140
 141         priv->cache_mgr     = modest_cache_mgr_new ();
 142         if (!priv->cache_mgr) {
 143                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 144                 return;
 145         }
 146
 147         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 148         if (!priv->mail_op_queue) {
 149                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 150                 return;
 151         }
 152
 153         priv->window_mgr = modest_window_mgr_new ();
 154         if (!priv->window_mgr) {
 155                 g_printerr ("modest: cannot create modest window manager instance\n");
 156                 return;
 157         }
 158
 159         images_cache_path = g_build_filename (g_get_home_dir (), MODEST_DIR, MODEST_IMAGES_CACHE_DIR, NULL);
 160         priv->images_cache = tny_fs_stream_cache_new (images_cache_path, MODEST_IMAGES_CACHE_SIZE);
 161         g_free (images_cache_path);
 162         if (!priv->images_cache) {
 163                 g_printerr ("modest: cannot create images cache instance\n");
 164                 return;
 165         }
 166 }
 167
 168 static void
 169 modest_singletons_finalize (GObject *obj)
 170 {
 171         ModestSingletonsPrivate *priv;
 172
 173         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 174
 175         if (priv->images_cache) {
 176                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF (priv->images_cache, "");
 177                 g_object_unref (G_OBJECT (priv->images_cache));
 178                 priv->images_cache = NULL;
 179         }
 180
 181         if (priv->window_mgr) {
 182                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->window_mgr,"");
 183                 g_object_unref (G_OBJECT(priv->window_mgr));
 184                 priv->window_mgr = NULL;
 185         }
 186
 187         if (priv->mail_op_queue) {
 188                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->mail_op_queue,"");
 189                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 190                 priv->mail_op_queue = NULL;
 191         }
 192
 193         if (priv->cache_mgr) {
 194                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->cache_mgr,"");
 195                 g_object_unref (G_OBJECT(priv->cache_mgr));
 196                 priv->cache_mgr = NULL;
 197         }
 198
 199         if (priv->device) {
 200                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->device,"");
 201                 g_object_unref (G_OBJECT(priv->device));
 202                 priv->device = NULL;
 203         }
 204
 205         if (priv->platform_fact) {
 206                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->platform_fact,"");
 207                 g_object_unref (G_OBJECT(priv->platform_fact));
 208                 priv->platform_fact = NULL;
 209         }
 210
 211         if (priv->email_clipboard) {
 212                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->email_clipboard,"");
 213                 g_object_unref (G_OBJECT(priv->email_clipboard));
 214                 priv->email_clipboard = NULL;
 215         }
 216
 217         /* It is important that the account manager is uninitialized after
 218          * the mail op queue is uninitialized because the mail op queue
 219          * cancells any mail operations which in turn access the account
 220          * manager (see modest_mail_operation_notify_end()). */
 221         if (priv->account_mgr) {
 222                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->account_mgr,"");
 223                 g_object_unref (G_OBJECT(priv->account_mgr));
 224                 priv->account_mgr = NULL;
 225         }
 226
 227         if (priv->conf) {
 228                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->conf,"");
 229                 g_object_unref (G_OBJECT(priv->conf));
 230                 priv->conf = NULL;
 231         }
 232
 233         G_OBJECT_CLASS(parent_class)->finalize (obj);
 234 }
 235
 236 ModestSingletons*
 237 modest_singletons_new (void)
 238 {
 239         ModestSingletonsPrivate *priv;
 240         ModestSingletons *self;
 241         static gboolean invoked = FALSE;
 242
 243         if (invoked) {
 244                 g_printerr ("%s: modest: modest_singletons_new may only be called once, aborting...\n",
 245                             __FUNCTION__);
 246                 abort();
 247                 return NULL;
 248         }
 249
 250         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 251         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 252
 253         /* widget_factory will still be NULL, as it is initialized lazily */
 254         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 255               priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
 256                 g_printerr ("modest: failed to create singletons object\n");
 257                 g_object_unref (G_OBJECT(self));
 258                 self = NULL;
 259         }
 260
 261         invoked = TRUE;
 262         return self;
 263 }
 264
 265
 266 ModestConf*
 267 modest_singletons_get_conf (ModestSingletons *self)
 268 {
 269         g_return_val_if_fail (self, NULL);
 270         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 271 }
 272
 273 ModestAccountMgr*
 274 modest_singletons_get_account_mgr (ModestSingletons *self)
 275 {
 276         g_return_val_if_fail (self, NULL);
 277         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 278 }
 279
 280 ModestEmailClipboard*
 281 modest_singletons_get_email_clipboard (ModestSingletons *self)
 282 {
 283         g_return_val_if_fail (self, NULL);
 284         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 285 }
 286
 287 ModestCacheMgr*
 288 modest_singletons_get_cache_mgr (ModestSingletons *self)
 289 {
 290         g_return_val_if_fail (self, NULL);
 291         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 292 }
 293
 294 ModestMailOperationQueue*
 295 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 296 {
 297         g_return_val_if_fail (self, NULL);
 298         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 299 }
 300
 301 TnyDevice*
 302 modest_singletons_get_device (ModestSingletons *self)
 303 {
 304         g_return_val_if_fail (self, NULL);
 305         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 306 }
 307
 308
 309 TnyPlatformFactory*
 310 modest_singletons_get_platform_factory (ModestSingletons *self)
 311 {
 312         g_return_val_if_fail (self, NULL);
 313         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 314 }
 315
 316 ModestWindowMgr*
 317 modest_singletons_get_window_mgr (ModestSingletons *self)
 318 {
 319         g_return_val_if_fail (self, NULL);
 320         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 321 }
 322
 323 TnyStreamCache*
 324 modest_singletons_get_images_cache (ModestSingletons *self)
 325 {
 326         g_return_val_if_fail (self, NULL);
 327         return MODEST_SINGLETONS_GET_PRIVATE(self)->images_cache;
 328 }