git.maemo.org Git - modest/blob - src/modest-mail-operation.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-mail-operation.h"
  31 /* include other impl specific header files */
  32 #include <string.h>
  33 #include <stdarg.h>
  34 #include <tny-mime-part.h>
  35 #include <tny-store-account.h>
  36 #include <tny-folder-store.h>
  37 #include <tny-folder-store-query.h>
  38 #include <glib/gi18n.h>
  39 #include "modest-tny-platform-factory.h"
  40
  41 /* 'private'/'protected' functions */
  42 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
  43 static void modest_mail_operation_init       (ModestMailOperation *obj);
  44 static void modest_mail_operation_finalize   (GObject *obj);
  45
  46 #define MODEST_ERROR modest_error_quark ()
  47
  48 typedef enum _ModestMailOperationErrorCode ModestMailOperationErrorCode;
  49 enum _ModestMailOperationErrorCode {
  50         MODEST_MAIL_OPERATION_ERROR_BAD_ACCOUNT,
  51         MODEST_MAIL_OPERATION_ERROR_MISSING_PARAMETER,
  52
  53         MODEST_MAIL_OPERATION_NUM_ERROR_CODES
  54 };
  55
  56 static void       set_error          (ModestMailOperation *mail_operation,
  57                                       ModestMailOperationErrorCode error_code,
  58                                       const gchar *fmt, ...);
  59 static void       status_update_cb   (TnyFolder *folder,
  60                                       const gchar *what,
  61                                       gint status,
  62                                       gpointer user_data);
  63 static void       folder_refresh_cb  (TnyFolder *folder,
  64                                       gboolean cancelled,
  65                                       gpointer user_data);
  66 static void       add_attachments    (TnyMsg *msg,
  67                                       const GList *attachments_list);
  68
  69
  70 static TnyMimePart *         add_body_part    (TnyMsg *msg,
  71                                                const gchar *body,
  72                                                const gchar *content_type,
  73                                                gboolean has_attachments);
  74
  75
  76 /* list my signals  */
  77 enum {
  78         /* MY_SIGNAL_1, */
  79         /* MY_SIGNAL_2, */
  80         LAST_SIGNAL
  81 };
  82
  83 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
  84 struct _ModestMailOperationPrivate {
  85         TnyAccount                *account;
  86         ModestMailOperationStatus  status;
  87         GError                    *error;
  88 };
  89 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  90                                                    MODEST_TYPE_MAIL_OPERATION, \
  91                                                    ModestMailOperationPrivate))
  92
  93 /* some utility functions */
  94 static char * get_content_type(const gchar *s);
  95 static gboolean is_ascii(const gchar *s);
  96
  97 /* globals */
  98 static GObjectClass *parent_class = NULL;
  99
 100 /* uncomment the following if you have defined any signals */
 101 /* static guint signals[LAST_SIGNAL] = {0}; */
 102
 103 GType
 104 modest_mail_operation_get_type (void)
 105 {
 106         static GType my_type = 0;
 107         if (!my_type) {
 108                 static const GTypeInfo my_info = {
 109                         sizeof(ModestMailOperationClass),
 110                         NULL,           /* base init */
 111                         NULL,           /* base finalize */
 112                         (GClassInitFunc) modest_mail_operation_class_init,
 113                         NULL,           /* class finalize */
 114                         NULL,           /* class data */
 115                         sizeof(ModestMailOperation),
 116                         1,              /* n_preallocs */
 117                         (GInstanceInitFunc) modest_mail_operation_init,
 118                         NULL
 119                 };
 120                 my_type = g_type_register_static (G_TYPE_OBJECT,
 121                                                   "ModestMailOperation",
 122                                                   &my_info, 0);
 123         }
 124         return my_type;
 125 }
 126
 127 static void
 128 modest_mail_operation_class_init (ModestMailOperationClass *klass)
 129 {
 130         GObjectClass *gobject_class;
 131         gobject_class = (GObjectClass*) klass;
 132
 133         parent_class            = g_type_class_peek_parent (klass);
 134         gobject_class->finalize = modest_mail_operation_finalize;
 135
 136         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
 137
 138         /* signal definitions go here, e.g.: */
 139 /*      signals[MY_SIGNAL_1] = */
 140 /*              g_signal_new ("my_signal_1",....); */
 141 /*      signals[MY_SIGNAL_2] = */
 142 /*              g_signal_new ("my_signal_2",....); */
 143 /*      etc. */
 144 }
 145
 146 static void
 147 modest_mail_operation_init (ModestMailOperation *obj)
 148 {
 149         ModestMailOperationPrivate *priv;
 150
 151         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 152
 153         priv->account = NULL;
 154         priv->status = MODEST_MAIL_OPERATION_STATUS_INVALID;
 155         priv->error = NULL;
 156 }
 157
 158 static void
 159 modest_mail_operation_finalize (GObject *obj)
 160 {
 161         ModestMailOperationPrivate *priv;
 162
 163         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 164
 165         if (priv->account) {
 166                 g_object_unref (priv->account);
 167                 priv->account = NULL;
 168         }
 169         if (priv->error) {
 170                 g_error_free (priv->error);
 171                 priv->error = NULL;
 172         }
 173
 174         G_OBJECT_CLASS(parent_class)->finalize (obj);
 175 }
 176
 177 ModestMailOperation*
 178 modest_mail_operation_new (TnyAccount *account)
 179 {
 180         ModestMailOperation *mail_operation;
 181         ModestMailOperationPrivate *priv;
 182
 183         mail_operation =
 184                 MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
 185         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 186
 187         priv->account = g_object_ref (account);
 188
 189         return mail_operation;
 190 }
 191
 192
 193 void
 194 modest_mail_operation_send_mail (ModestMailOperation *mail_operation,
 195                                  TnyMsg* msg)
 196 {
 197         ModestMailOperationPrivate *priv;
 198         TnyTransportAccount *transport_account;
 199
 200         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 201
 202         if (!TNY_IS_TRANSPORT_ACCOUNT (priv->account)) {
 203                 set_error (mail_operation,
 204                            MODEST_MAIL_OPERATION_ERROR_BAD_ACCOUNT,
 205                            _("Error trying to send a mail. Use a transport account"));
 206         }
 207
 208         transport_account = TNY_TRANSPORT_ACCOUNT (priv->account);
 209
 210         mail_operation = modest_mail_operation_new (NULL);
 211         tny_transport_account_send (transport_account, msg);
 212 }
 213
 214 void
 215 modest_mail_operation_send_new_mail (ModestMailOperation *mail_operation,
 216                                      const gchar *from,
 217                                      const gchar *to,
 218                                      const gchar *cc,
 219                                      const gchar *bcc,
 220                                      const gchar *subject,
 221                                      const gchar *body,
 222                                      const GList *attachments_list)
 223 {
 224         TnyMsg *new_msg;
 225         TnyHeader *header;
 226         TnyTransportAccount *transport_account;
 227         ModestMailOperationPrivate *priv;
 228         gchar *content_type;
 229
 230         g_return_if_fail (mail_operation);
 231
 232         /* Check parametters */
 233         if (to == NULL) {
 234                 set_error (mail_operation,
 235                            MODEST_MAIL_OPERATION_ERROR_MISSING_PARAMETER,
 236                            _("Error trying to send a mail. You need to set almost one a recipient"));
 237                 return;
 238         }
 239
 240         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 241
 242         if (!TNY_IS_TRANSPORT_ACCOUNT (priv->account)) {
 243                 set_error (mail_operation,
 244                            MODEST_MAIL_OPERATION_ERROR_BAD_ACCOUNT,
 245                            _("Error trying to send a mail. Use a transport account"));
 246                 return;
 247         }
 248
 249         /* Create new msg */
 250         transport_account = TNY_TRANSPORT_ACCOUNT (priv->account);
 251
 252         new_msg          = TNY_MSG (tny_camel_msg_new ());
 253         header           = TNY_HEADER (tny_camel_header_new ());
 254
 255         /* WARNING: set the header before assign values to it */
 256         tny_msg_set_header (new_msg, header);
 257         tny_header_set_from (TNY_HEADER (header), from);
 258         tny_header_set_to (TNY_HEADER (header), to);
 259         tny_header_set_cc (TNY_HEADER (header), cc);
 260         tny_header_set_bcc (TNY_HEADER (header), bcc);
 261         tny_header_set_subject (TNY_HEADER (header), subject);
 262
 263         content_type = get_content_type(body);
 264
 265         /* Add the body of the new mail */
 266         add_body_part (new_msg, body, (const gchar *) content_type,
 267                        (attachments_list == NULL) ? FALSE : TRUE);
 268
 269         /* Add attachments */
 270         add_attachments (new_msg, attachments_list);
 271
 272         /* Send mail */
 273         tny_transport_account_send (transport_account, new_msg);
 274
 275         /* Clean */
 276         g_object_unref (header);
 277         g_object_unref (new_msg);
 278         g_free(content_type);
 279 }
 280
 281 /**
 282  * modest_mail_operation_create_forward_mail:
 283  * @msg: a valid #TnyMsg instance
 284  * @forward_type: the type of forwarded message
 285  *
 286  * creates a forwarded message from an existing one
 287  *
 288  * Returns: a new #TnyMsg, or NULL in case of error
 289  **/
 290 TnyMsg*
 291 modest_mail_operation_create_forward_mail (TnyMsg *msg,
 292                                            const gchar *from,
 293                                            ModestMailOperationForwardType forward_type)
 294 {
 295         TnyMsg *new_msg;
 296         TnyHeader *new_header, *header;
 297         TnyStream *attachment_stream;
 298         gchar *new_subject, *new_body, *content_type, *quoted;
 299         TnyMimePart *text_body_part = NULL;
 300         GList *attachments_list;
 301         TnyList *parts;
 302         TnyIterator *iter;
 303
 304         /* Create new objects */
 305         new_msg          = TNY_MSG (tny_camel_msg_new ());
 306         new_header       = TNY_HEADER (tny_camel_header_new ());
 307
 308         header = tny_msg_get_header (msg);
 309
 310         /* Fill the header */
 311         tny_msg_set_header (new_msg, new_header);
 312         tny_header_set_from (new_header, from);
 313
 314         /* Change the subject */
 315         new_subject = (gchar *) modest_text_utils_create_forward_subject (tny_header_get_subject(header));
 316         tny_header_set_subject (new_header, (const gchar *) new_subject);
 317         g_free (new_subject);
 318
 319         /* Get body from original msg */
 320         new_body = (gchar *) modest_tny_msg_actions_find_body (msg, FALSE);
 321         if (!new_body) {
 322                 g_object_unref (new_msg);
 323                 return NULL;
 324         }
 325         content_type = get_content_type(new_body);
 326
 327         /* Create the list of attachments */
 328         parts = TNY_LIST (tny_simple_list_new());
 329         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 330         iter = tny_list_create_iterator (parts);
 331         attachments_list = NULL;
 332
 333         while (!tny_iterator_is_done(iter)) {
 334                 TnyMimePart *part;
 335
 336                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 337                 if (tny_mime_part_is_attachment (part))
 338                         attachments_list = g_list_prepend (attachments_list, part);
 339
 340                 tny_iterator_next (iter);
 341         }
 342
 343         /* Add attachments */
 344         add_attachments (new_msg, attachments_list);
 345
 346         switch (forward_type) {
 347                 TnyMimePart *attachment_part;
 348                 gchar *inlined_text;
 349
 350         case MODEST_MAIL_OPERATION_FORWARD_TYPE_INLINE:
 351                 /* Prepend "Original message" text */
 352                 inlined_text = (gchar *)
 353                         modest_text_utils_create_inlined_text (tny_header_get_from (header),
 354                                                                tny_header_get_date_sent (header),
 355                                                                tny_header_get_to (header),
 356                                                                tny_header_get_subject (header),
 357                                                                (const gchar*) new_body);
 358                 g_free (new_body);
 359                 new_body = inlined_text;
 360
 361                 /* Add body part */
 362                 add_body_part (new_msg, new_body,
 363                                (const gchar *) content_type,
 364                                (tny_list_get_length (parts) > 0) ? TRUE : FALSE);
 365
 366                 break;
 367         case MODEST_MAIL_OPERATION_FORWARD_TYPE_ATTACHMENT:
 368                 attachment_part = add_body_part (new_msg, new_body,
 369                                                  (const gchar *) content_type, TRUE);
 370
 371                 /* Set the subject as the name of the attachment */
 372                 tny_mime_part_set_filename (attachment_part, tny_header_get_subject (header));
 373
 374                 break;
 375         }
 376
 377         /* Clean */
 378         if (attachments_list) g_list_free (attachments_list);
 379         g_object_unref (parts);
 380         if (text_body_part) g_free (text_body_part);
 381         g_free (content_type);
 382         g_free (new_body);
 383
 384         return new_msg;
 385 }
 386
 387 /**
 388  * modest_mail_operation_create_reply_mail:
 389  * @msg: a valid #TnyMsg instance
 390  * @reply_type: the format of the new message
 391  * @reply_mode: the mode of reply, to the sender only, to a mail list or to all
 392  *
 393  * creates a new message to reply to an existing one
 394  *
 395  * Returns: Returns: a new #TnyMsg, or NULL in case of error
 396  **/
 397 TnyMsg*
 398 modest_mail_operation_create_reply_mail (TnyMsg *msg,
 399                                          const gchar *from,
 400                                          ModestMailOperationReplyType reply_type,
 401                                          ModestMailOperationReplyMode reply_mode)
 402 {
 403         TnyMsg *new_msg;
 404         TnyHeader *new_header, *header;
 405         TnyStream *attachment_stream;
 406         gchar *new_subject, *new_body, *content_type, *quoted;
 407         TnyList *parts;
 408         TnyMimePart *text_body_part;
 409
 410         /* Create new objects */
 411         new_msg          = TNY_MSG (tny_camel_msg_new ());
 412         new_header       = TNY_HEADER (tny_camel_header_new ());
 413         header           = tny_msg_get_header (msg);
 414
 415         /* Fill the header */
 416         tny_msg_set_header (new_msg, new_header);
 417         tny_header_set_to (new_header, tny_header_get_from (header));
 418         tny_header_set_from (new_header, from);
 419
 420         switch (reply_mode) {
 421                 gchar *new_cc = NULL;
 422                 const gchar *cc = NULL, *bcc = NULL;
 423                 GString *tmp = NULL;
 424
 425         case MODEST_MAIL_OPERATION_REPLY_MODE_SENDER:
 426                 /* Do not fill neither cc nor bcc */
 427                 break;
 428         case MODEST_MAIL_OPERATION_REPLY_MODE_LIST:
 429                 /* TODO */
 430                 break;
 431         case MODEST_MAIL_OPERATION_REPLY_MODE_ALL:
 432                 /* Concatenate to, cc and bcc */
 433                 cc = tny_header_get_cc (header);
 434                 bcc = tny_header_get_bcc (header);
 435
 436                 tmp = g_string_new (tny_header_get_to (header));
 437                 if (cc)  g_string_append_printf (tmp, ",%s",cc);
 438                 if (bcc) g_string_append_printf (tmp, ",%s",bcc);
 439
 440                 /* Remove my own address from the cc list */
 441                 new_cc = (gchar *)
 442                         modest_text_utils_remove_mail_from_mail_list ((const gchar *) tmp->str,
 443                                                                       (const gchar *) from);
 444                 /* FIXME: remove also the mails from the new To: */
 445                 tny_header_set_cc (new_header, new_cc);
 446
 447                 /* Clean */
 448                 g_string_free (tmp, TRUE);
 449                 g_free (new_cc);
 450                 break;
 451         }
 452
 453         /* Change the subject */
 454         new_subject = (gchar*) modest_text_utils_create_reply_subject (tny_header_get_subject(header));
 455         tny_header_set_subject (new_header, (const gchar *) new_subject);
 456         g_free (new_subject);
 457
 458         /* Get body from original msg */
 459         new_body = (gchar*) modest_tny_msg_actions_find_body (msg, FALSE);
 460         if (!new_body) {
 461                 g_object_unref (new_msg);
 462                 return NULL;
 463         }
 464         content_type = get_content_type(new_body);
 465
 466         switch (reply_type) {
 467                 gchar *cited_text;
 468
 469         case MODEST_MAIL_OPERATION_REPLY_TYPE_CITE:
 470                 /* Prepend "Original message" text */
 471                 cited_text = (gchar *) modest_text_utils_create_cited_text (tny_header_get_from (header),
 472                                                                             tny_header_get_date_sent (header),
 473                                                                             (const gchar*) new_body);
 474                 g_free (new_body);
 475                 new_body = cited_text;
 476                 break;
 477         case MODEST_MAIL_OPERATION_REPLY_TYPE_QUOTE:
 478                 /* FIXME: replace 80 with a value from ModestConf */
 479                 quoted = (gchar*) modest_text_utils_quote (new_body,
 480                                                            tny_header_get_from (header),
 481                                                            tny_header_get_date_sent (header),
 482                                                            80);
 483                 g_free (new_body);
 484                 new_body = quoted;
 485                 break;
 486         }
 487         /* Add body part */
 488         text_body_part = add_body_part (new_msg, new_body,
 489                                         (const gchar *) content_type, TRUE);
 490
 491         /* Clean */
 492 /*      g_free (text_body_part); */
 493         g_free (content_type);
 494         g_free (new_body);
 495
 496         return new_msg;
 497 }
 498
 499 void
 500 modest_mail_operation_update_account (ModestMailOperation *mail_operation)
 501 {
 502         TnyStoreAccount *storage_account;
 503         ModestMailOperationPrivate *priv;
 504         TnyList *folders;
 505         TnyIterator *ifolders;
 506         TnyFolder *cur_folder;
 507         TnyFolderStoreQuery *query;
 508
 509         g_return_if_fail (mail_operation);
 510         g_return_if_fail (MODEST_IS_MAIL_OPERATION (mail_operation));
 511
 512         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 513
 514         /* Check that it is a store account */
 515         if (!TNY_IS_STORE_ACCOUNT (priv->account)) {
 516                 set_error (mail_operation,
 517                            MODEST_MAIL_OPERATION_ERROR_BAD_ACCOUNT,
 518                            _("Error trying to update an account. Use a store account"));
 519                 return;
 520         }
 521         storage_account = TNY_STORE_ACCOUNT (priv->account);
 522
 523         /* Get subscribed folders */
 524         folders = TNY_LIST (tny_simple_list_new ());
 525         query = tny_folder_store_query_new ();
 526         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
 527         tny_folder_store_get_folders (TNY_FOLDER_STORE (storage_account),
 528                                       folders, query);
 529         g_object_unref (query);
 530
 531         ifolders = tny_list_create_iterator (folders);
 532
 533         /* Async refresh folders */
 534         for (tny_iterator_first (ifolders);
 535              !tny_iterator_is_done (ifolders);
 536              tny_iterator_next (ifolders)) {
 537
 538                 cur_folder = TNY_FOLDER (tny_iterator_get_current (ifolders));
 539                 tny_folder_refresh_async (cur_folder, folder_refresh_cb,
 540                                           status_update_cb, mail_operation);
 541         }
 542
 543         g_object_unref (ifolders);
 544 }
 545
 546 ModestMailOperationStatus
 547 modest_mail_operation_get_status (ModestMailOperation *mail_operation)
 548 {
 549         ModestMailOperationPrivate *priv;
 550
 551 /*      g_return_val_if_fail (mail_operation, MODEST_MAIL_OPERATION_STATUS_INVALID); */
 552 /*      g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (mail_operation),  */
 553 /*                            MODEST_MAIL_OPERATION_STATUS_INVALID); */
 554
 555         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (mail_operation);
 556         return priv->status;
 557 }
 558
 559 const GError *
 560 modest_mail_operation_get_error (ModestMailOperation *mail_operation)
 561 {
 562         ModestMailOperationPrivate *priv;
 563
 564 /*      g_return_val_if_fail (mail_operation, NULL); */
 565 /*      g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (mail_operation), NULL); */
 566
 567         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (mail_operation);
 568         return priv->error;
 569 }
 570
 571 void
 572 modest_mail_operation_cancel (ModestMailOperation *mail_operation)
 573 {
 574         /* TODO */
 575 }
 576
 577 static gboolean
 578 is_ascii(const gchar *s)
 579 {
 580         while (s[0]) {
 581                 if (s[0] & 128 || s[0] < 32)
 582                         return FALSE;
 583                 s++;
 584         }
 585         return TRUE;
 586 }
 587
 588 static char *
 589 get_content_type(const gchar *s)
 590 {
 591         GString *type;
 592
 593         type = g_string_new("text/plain");
 594         if (!is_ascii(s)) {
 595                 if (g_utf8_validate(s, -1, NULL)) {
 596                         g_string_append(type, "; charset=\"utf-8\"");
 597                 } else {
 598                         /* it should be impossible to reach this, but better safe than sorry */
 599                         g_warning("invalid utf8 in message");
 600                         g_string_append(type, "; charset=\"latin1\"");
 601                 }
 602         }
 603         return g_string_free(type, FALSE);
 604 }
 605
 606 static GQuark
 607 modest_error_quark (void)
 608 {
 609   static GQuark err_q = 0;
 610
 611   if (err_q == 0)
 612     err_q = g_quark_from_static_string ("modest-error-quark");
 613
 614   return err_q;
 615 }
 616
 617
 618 static void
 619 set_error (ModestMailOperation *mail_operation,
 620            ModestMailOperationErrorCode error_code,
 621            const gchar *fmt, ...)
 622 {
 623         ModestMailOperationPrivate *priv;
 624         GError* error;
 625         va_list args;
 626         gchar* orig;
 627
 628         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 629
 630         va_start (args, fmt);
 631
 632         orig = g_strdup_vprintf(fmt, args);
 633         error = g_error_new (MODEST_ERROR, error_code, orig);
 634
 635         va_end (args);
 636
 637         if (priv->error)
 638                 g_object_unref (priv->error);
 639
 640         priv->error = error;
 641         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 642 }
 643
 644 static void
 645 status_update_cb (TnyFolder *folder, const gchar *what, gint status, gpointer user_data)
 646 {
 647         /* TODO: update main window progress bar */
 648 }
 649
 650 static void
 651 folder_refresh_cb (TnyFolder *folder, gboolean cancelled, gpointer user_data)
 652 {
 653         if (cancelled) {
 654                 ModestMailOperation *mail_operation;
 655                 ModestMailOperationPrivate *priv;
 656
 657                 mail_operation = MODEST_MAIL_OPERATION (user_data);
 658                 priv = MODEST_MAIL_OPERATION_GET_PRIVATE(mail_operation);
 659
 660                 priv->status =  MODEST_MAIL_OPERATION_STATUS_CANCELLED;
 661         }
 662 }
 663
 664 static void
 665 add_attachments (TnyMsg *msg, const GList *attachments_list)
 666 {
 667         GList *pos;
 668         TnyMimePart *attachment_part, *old_attachment;
 669         const gchar *attachment_content_type;
 670         const gchar *attachment_filename;
 671         TnyStream *attachment_stream;
 672
 673         for (pos = (GList *)attachments_list; pos; pos = pos->next) {
 674
 675                 old_attachment = pos->data;
 676                 attachment_filename = tny_mime_part_get_filename (old_attachment);
 677                 attachment_stream = tny_mime_part_get_stream (old_attachment);
 678                 attachment_part = TNY_MIME_PART (tny_camel_mime_part_new (camel_mime_part_new()));
 679
 680                 attachment_content_type = tny_mime_part_get_content_type (old_attachment);
 681
 682                 tny_mime_part_construct_from_stream (attachment_part,
 683                                                      attachment_stream,
 684                                                      attachment_content_type);
 685                 tny_stream_reset (attachment_stream);
 686
 687                 tny_mime_part_set_filename (attachment_part, attachment_filename);
 688
 689                 tny_mime_part_add_part (TNY_MIME_PART (msg), attachment_part);
 690 /*              g_object_unref (attachment_part); */
 691         }
 692 }
 693
 694 static TnyMimePart *
 695 add_body_part (TnyMsg *msg,
 696                const gchar *body,
 697                const gchar *content_type,
 698                gboolean has_attachments)
 699 {
 700         TnyMimePart *text_body_part = NULL;
 701         TnyStream *text_body_stream;
 702
 703         /* Create the stream */
 704         text_body_stream = TNY_STREAM (tny_camel_stream_new
 705                                        (camel_stream_mem_new_with_buffer
 706                                         (body, strlen(body))));
 707
 708         /* Create body part if needed */
 709         if (has_attachments)
 710                 text_body_part =
 711                         TNY_MIME_PART (tny_camel_mime_part_new (camel_mime_part_new()));
 712         else
 713                 text_body_part = TNY_MIME_PART(msg);
 714
 715         /* Construct MIME part */
 716         tny_stream_reset (text_body_stream);
 717         tny_mime_part_construct_from_stream (text_body_part,
 718                                              text_body_stream,
 719                                              content_type);
 720         tny_stream_reset (text_body_stream);
 721
 722         /* Add part if needed */
 723         if (has_attachments) {
 724                 tny_mime_part_add_part (TNY_MIME_PART (msg), text_body_part);
 725                 g_object_unref (G_OBJECT(text_body_part));
 726         }
 727
 728         /* Clean */
 729         g_object_unref (text_body_stream);
 730
 731         return text_body_part;
 732 }