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 <tny-camel-stream.h>
  39 #include <tny-simple-list.h>
  40 #include <camel/camel-stream-mem.h>
  41 #include <glib/gi18n.h>
  42
  43 #include "modest-text-utils.h"
  44 #include "modest-tny-msg-actions.h"
  45 #include "modest-tny-platform-factory.h"
  46 #include "modest-marshal.h"
  47 #include "modest-formatter.h"
  48 #include "modest-error.h"
  49
  50 /* 'private'/'protected' functions */
  51 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
  52 static void modest_mail_operation_init       (ModestMailOperation *obj);
  53 static void modest_mail_operation_finalize   (GObject *obj);
  54
  55 static void     status_update_cb     (TnyFolder *folder,
  56                                       const gchar *what,
  57                                       gint status,
  58                                       gint oftotal,
  59                                       gpointer user_data);
  60 static void     folder_refresh_cb    (TnyFolder *folder,
  61                                       gboolean canceled,
  62                                       GError **err,
  63                                       gpointer user_data);
  64 static void     update_folders_cb    (TnyFolderStore *self,
  65                                       TnyList *list,
  66                                       GError **err,
  67                                       gpointer user_data);
  68 static void     add_attachments      (TnyMsg *msg,
  69                                       GList *attachments_list);
  70
  71
  72 static TnyMimePart *         add_body_part    (TnyMsg *msg,
  73                                                const gchar *body,
  74                                                const gchar *content_type,
  75                                                gboolean has_attachments);
  76
  77
  78 static void modest_mail_operation_xfer_folder (ModestMailOperation *self,
  79                                                TnyFolder *folder,
  80                                                TnyFolderStore *parent,
  81                                                gboolean delete_original);
  82
  83 static gboolean    modest_mail_operation_xfer_msg          (ModestMailOperation *self,
  84                                                             TnyHeader *header,
  85                                                             TnyFolder *folder,
  86                                                             gboolean delete_original);
  87
  88 static TnyFolder * modest_mail_operation_find_trash_folder (ModestMailOperation *self,
  89                                                             TnyStoreAccount *store_account);
  90
  91
  92 enum _ModestMailOperationSignals
  93 {
  94         PROGRESS_CHANGED_SIGNAL,
  95
  96         NUM_SIGNALS
  97 };
  98
  99 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
 100 struct _ModestMailOperationPrivate {
 101         guint                      done;
 102         guint                      total;
 103         ModestMailOperationStatus  status;
 104         GError                    *error;
 105 };
 106 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 107                                                    MODEST_TYPE_MAIL_OPERATION, \
 108                                                    ModestMailOperationPrivate))
 109
 110 typedef struct _RefreshFolderAsyncHelper
 111 {
 112         ModestMailOperation *mail_op;
 113         TnyIterator *iter;
 114         guint failed;
 115         guint canceled;
 116
 117 } RefreshFolderAsyncHelper;
 118
 119 /* some utility functions */
 120 static char * get_content_type(const gchar *s);
 121 static gboolean is_ascii(const gchar *s);
 122
 123 /* globals */
 124 static GObjectClass *parent_class = NULL;
 125
 126 static guint signals[NUM_SIGNALS] = {0};
 127
 128 GType
 129 modest_mail_operation_get_type (void)
 130 {
 131         static GType my_type = 0;
 132         if (!my_type) {
 133                 static const GTypeInfo my_info = {
 134                         sizeof(ModestMailOperationClass),
 135                         NULL,           /* base init */
 136                         NULL,           /* base finalize */
 137                         (GClassInitFunc) modest_mail_operation_class_init,
 138                         NULL,           /* class finalize */
 139                         NULL,           /* class data */
 140                         sizeof(ModestMailOperation),
 141                         1,              /* n_preallocs */
 142                         (GInstanceInitFunc) modest_mail_operation_init,
 143                         NULL
 144                 };
 145                 my_type = g_type_register_static (G_TYPE_OBJECT,
 146                                                   "ModestMailOperation",
 147                                                   &my_info, 0);
 148         }
 149         return my_type;
 150 }
 151
 152 static void
 153 modest_mail_operation_class_init (ModestMailOperationClass *klass)
 154 {
 155         GObjectClass *gobject_class;
 156         gobject_class = (GObjectClass*) klass;
 157
 158         parent_class            = g_type_class_peek_parent (klass);
 159         gobject_class->finalize = modest_mail_operation_finalize;
 160
 161         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
 162
 163         /**
 164          * ModestMailOperation::progress-changed
 165          * @self: the #MailOperation that emits the signal
 166          * @user_data: user data set when the signal handler was connected
 167          *
 168          * Emitted when the progress of a mail operation changes
 169          */
 170         signals[PROGRESS_CHANGED_SIGNAL] =
 171                 g_signal_new ("progress_changed",
 172                               G_TYPE_FROM_CLASS (gobject_class),
 173                               G_SIGNAL_RUN_FIRST,
 174                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
 175                               NULL, NULL,
 176                               g_cclosure_marshal_VOID__VOID,
 177                               G_TYPE_NONE, 0);
 178 }
 179
 180 static void
 181 modest_mail_operation_init (ModestMailOperation *obj)
 182 {
 183         ModestMailOperationPrivate *priv;
 184
 185         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 186
 187         priv->status   = MODEST_MAIL_OPERATION_STATUS_INVALID;
 188         priv->error    = NULL;
 189         priv->done     = 0;
 190         priv->total    = 0;
 191 }
 192
 193 static void
 194 modest_mail_operation_finalize (GObject *obj)
 195 {
 196         ModestMailOperationPrivate *priv;
 197
 198         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 199
 200         if (priv->error) {
 201                 g_error_free (priv->error);
 202                 priv->error = NULL;
 203         }
 204
 205         G_OBJECT_CLASS(parent_class)->finalize (obj);
 206 }
 207
 208 ModestMailOperation*
 209 modest_mail_operation_new (void)
 210 {
 211         return MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
 212 }
 213
 214
 215 void
 216 modest_mail_operation_send_mail (ModestMailOperation *self,
 217                                  TnyTransportAccount *transport_account,
 218                                  TnyMsg* msg)
 219 {
 220         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 221         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
 222
 223         tny_transport_account_send (transport_account, msg, NULL); /* FIXME */
 224 }
 225
 226 void
 227 modest_mail_operation_send_new_mail (ModestMailOperation *self,
 228                                      TnyTransportAccount *transport_account,
 229                                      const gchar *from,
 230                                      const gchar *to,
 231                                      const gchar *cc,
 232                                      const gchar *bcc,
 233                                      const gchar *subject,
 234                                      const gchar *body,
 235                                      const GList *attachments_list)
 236 {
 237         TnyPlatformFactory *fact;
 238         TnyMsg *new_msg;
 239         TnyHeader *header;
 240         gchar *content_type;
 241         ModestMailOperationPrivate *priv = NULL;
 242
 243         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 244         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
 245
 246         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 247
 248         /* Check parametters */
 249         if (to == NULL) {
 250                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 251                              MODEST_MAIL_OPERATION_ERROR_MISSING_PARAMETER,
 252                              _("Error trying to send a mail. You need to set almost one a recipient"));
 253                 return;
 254         }
 255
 256         /* Create new msg */
 257         fact    = modest_tny_platform_factory_get_instance ();
 258         new_msg = tny_platform_factory_new_msg (fact);
 259         header  = tny_platform_factory_new_header (fact);
 260
 261         /* WARNING: set the header before assign values to it */
 262         tny_msg_set_header (new_msg, header);
 263         tny_header_set_from (TNY_HEADER (header), from);
 264         tny_header_set_replyto (TNY_HEADER (header), from);
 265         tny_header_set_to (TNY_HEADER (header), to);
 266         tny_header_set_cc (TNY_HEADER (header), cc);
 267         tny_header_set_bcc (TNY_HEADER (header), bcc);
 268         tny_header_set_subject (TNY_HEADER (header), subject);
 269
 270         content_type = get_content_type(body);
 271
 272         /* Add the body of the new mail */
 273         add_body_part (new_msg, body, (const gchar *) content_type,
 274                        (attachments_list == NULL) ? FALSE : TRUE);
 275
 276         /* Add attachments */
 277         add_attachments (new_msg, (GList*) attachments_list);
 278
 279         /* Send mail */
 280         tny_transport_account_send (transport_account, new_msg, NULL); /* FIXME */
 281
 282         /* Clean */
 283         g_object_unref (header);
 284         g_object_unref (new_msg);
 285         g_free(content_type);
 286 }
 287
 288 static void
 289 add_if_attachment (gpointer data, gpointer user_data)
 290 {
 291         TnyMimePart *part;
 292         GList *attachments_list;
 293
 294         part = TNY_MIME_PART (data);
 295         attachments_list = (GList *) user_data;
 296
 297         if (tny_mime_part_is_attachment (part))
 298                 attachments_list = g_list_prepend (attachments_list, part);
 299 }
 300
 301
 302 static TnyMsg *
 303 create_reply_forward_mail (TnyMsg *msg, const gchar *from, gboolean is_reply, guint type)
 304 {
 305         TnyPlatformFactory *fact;
 306         TnyMsg *new_msg;
 307         TnyHeader *new_header, *header;
 308         gchar *new_subject;
 309         TnyMimePart *body;
 310         ModestFormatter *formatter;
 311
 312         /* Get body from original msg */
 313         header = tny_msg_get_header (msg);
 314         body   = modest_tny_msg_actions_find_body_part (msg, TRUE);
 315
 316         /* TODO: select the formatter from account prefs */
 317         formatter = modest_formatter_new ("text/plain");
 318
 319         /* Format message body */
 320         if (is_reply) {
 321                 switch (type) {
 322                 case MODEST_MAIL_OPERATION_REPLY_TYPE_CITE:
 323                 default:
 324                         new_msg = modest_formatter_cite  (formatter, body, header);
 325                         break;
 326                 case MODEST_MAIL_OPERATION_REPLY_TYPE_QUOTE:
 327                         new_msg = modest_formatter_quote (formatter, body, header);
 328                         break;
 329                 }
 330         } else {
 331                 switch (type) {
 332                 case MODEST_MAIL_OPERATION_FORWARD_TYPE_INLINE:
 333                 default:
 334                         new_msg = modest_formatter_inline  (formatter, body, header);
 335                         break;
 336                 case MODEST_MAIL_OPERATION_FORWARD_TYPE_ATTACHMENT:
 337                         new_msg = modest_formatter_attach (formatter, body, header);
 338                         break;
 339                 }
 340         }
 341         g_object_unref (G_OBJECT (formatter));
 342
 343         /* Fill the header */
 344         fact = modest_tny_platform_factory_get_instance ();
 345         new_header = TNY_HEADER (tny_platform_factory_new_header (fact));
 346         tny_msg_set_header (new_msg, new_header);
 347         tny_header_set_from (new_header, from);
 348         tny_header_set_replyto (new_header, from);
 349
 350         /* Change the subject */
 351         new_subject =
 352                 (gchar *) modest_text_utils_derived_subject (tny_header_get_subject(header),
 353                                                              (is_reply) ? _("Re:") : _("Fwd:"));
 354         tny_header_set_subject (new_header, (const gchar *) new_subject);
 355         g_free (new_subject);
 356
 357         /* Clean */
 358         g_object_unref (G_OBJECT (new_header));
 359         g_object_unref (G_OBJECT (header));
 360
 361         return new_msg;
 362 }
 363
 364 TnyMsg*
 365 modest_mail_operation_create_forward_mail (TnyMsg *msg,
 366                                            const gchar *from,
 367                                            ModestMailOperationForwardType forward_type)
 368 {
 369         TnyMsg *new_msg;
 370         TnyList *parts = NULL;
 371         GList *attachments_list = NULL;
 372
 373         new_msg = create_reply_forward_mail (msg, from, FALSE, forward_type);
 374
 375         /* Add attachments */
 376         parts = TNY_LIST (tny_simple_list_new());
 377         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 378         tny_list_foreach (parts, add_if_attachment, attachments_list);
 379         add_attachments (new_msg, attachments_list);
 380
 381         /* Clean */
 382         if (attachments_list) g_list_free (attachments_list);
 383         g_object_unref (G_OBJECT (parts));
 384
 385         return new_msg;
 386 }
 387
 388 TnyMsg*
 389 modest_mail_operation_create_reply_mail (TnyMsg *msg,
 390                                          const gchar *from,
 391                                          ModestMailOperationReplyType reply_type,
 392                                          ModestMailOperationReplyMode reply_mode)
 393 {
 394         TnyMsg *new_msg;
 395         TnyHeader *new_header, *header;
 396         const gchar* reply_to;
 397
 398         new_msg = create_reply_forward_mail (msg, from, TRUE, reply_type);
 399
 400         /* Fill the header */
 401         header = tny_msg_get_header (msg);
 402         new_header = tny_msg_get_header (new_msg);
 403         reply_to = tny_header_get_replyto (header);
 404         if (reply_to)
 405                 tny_header_set_to (new_header, reply_to);
 406         else
 407                 tny_header_set_to (new_header, tny_header_get_from (header));
 408
 409         switch (reply_mode) {
 410                 gchar *new_cc = NULL;
 411                 const gchar *cc = NULL, *bcc = NULL;
 412                 GString *tmp = NULL;
 413
 414         case MODEST_MAIL_OPERATION_REPLY_MODE_SENDER:
 415                 /* Do not fill neither cc nor bcc */
 416                 break;
 417         case MODEST_MAIL_OPERATION_REPLY_MODE_LIST:
 418                 /* TODO */
 419                 break;
 420         case MODEST_MAIL_OPERATION_REPLY_MODE_ALL:
 421                 /* Concatenate to, cc and bcc */
 422                 cc = tny_header_get_cc (header);
 423                 bcc = tny_header_get_bcc (header);
 424
 425                 tmp = g_string_new (tny_header_get_to (header));
 426                 if (cc)  g_string_append_printf (tmp, ",%s",cc);
 427                 if (bcc) g_string_append_printf (tmp, ",%s",bcc);
 428
 429                /* Remove my own address from the cc list. TODO:
 430                   remove also the To: of the new message, needed due
 431                   to the new reply_to feature */
 432                 new_cc = (gchar *)
 433                         modest_text_utils_remove_address ((const gchar *) tmp->str,
 434                                                           from);
 435                 /* FIXME: remove also the mails from the new To: */
 436                 tny_header_set_cc (new_header, new_cc);
 437
 438                 /* Clean */
 439                 g_string_free (tmp, TRUE);
 440                 g_free (new_cc);
 441                 break;
 442         }
 443
 444         /* Clean */
 445         g_object_unref (G_OBJECT (new_header));
 446         g_object_unref (G_OBJECT (header));
 447
 448         return new_msg;
 449 }
 450
 451 static void
 452 status_update_cb (TnyFolder *folder, const gchar *what, gint status, gint oftotal, gpointer user_data)
 453 {
 454         g_print ("%s status: %d, of total %d\n", what, status, oftotal);
 455 }
 456
 457 static void
 458 folder_refresh_cb (TnyFolder *folder, gboolean canceled, GError **err, gpointer user_data)
 459 {
 460         ModestMailOperation *self = NULL;
 461         ModestMailOperationPrivate *priv = NULL;
 462         RefreshFolderAsyncHelper *helper;
 463
 464         helper = (RefreshFolderAsyncHelper *) user_data;
 465         self = MODEST_MAIL_OPERATION (helper->mail_op);
 466         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 467
 468         if ((canceled && *err) || *err) {
 469                 priv->error = g_error_copy (*err);
 470                 helper->failed++;
 471         } else if (canceled) {
 472                 helper->canceled++;
 473                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 474                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
 475                              _("Error trying to refresh folder %s. Operation canceled"),
 476                              tny_folder_get_name (folder));
 477         } else {
 478                 priv->done++;
 479         }
 480
 481         if (priv->done == priv->total)
 482                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
 483         else if ((priv->done + helper->canceled + helper->failed) == priv->total) {
 484                 if (helper->failed == priv->total)
 485                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 486                 else if (helper->failed == priv->total)
 487                         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
 488                 else
 489                         priv->status = MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS;
 490         }
 491         tny_iterator_next (helper->iter);
 492         if (tny_iterator_is_done (helper->iter)) {
 493                 TnyList *list;
 494                 list = tny_iterator_get_list (helper->iter);
 495                 g_object_unref (G_OBJECT (helper->iter));
 496                 g_object_unref (G_OBJECT (list));
 497                 g_slice_free (RefreshFolderAsyncHelper, helper);
 498         } else {
 499                 tny_folder_refresh_async (TNY_FOLDER (tny_iterator_get_current (helper->iter)),
 500                                           folder_refresh_cb,
 501                                           status_update_cb,
 502                                           helper);
 503         }
 504         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, NULL);
 505 }
 506
 507
 508 static void
 509 update_folders_cb (TnyFolderStore *folder_store, TnyList *list, GError **err, gpointer user_data)
 510 {
 511         ModestMailOperation *self;
 512         ModestMailOperationPrivate *priv;
 513         RefreshFolderAsyncHelper *helper;
 514
 515         self  = MODEST_MAIL_OPERATION (user_data);
 516         priv  = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 517
 518         if (*err) {
 519                 priv->error = g_error_copy (*err);
 520                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 521                 return;
 522         }
 523
 524         priv->total = tny_list_get_length (list);
 525         priv->done = 0;
 526         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 527
 528         helper = g_slice_new0 (RefreshFolderAsyncHelper);
 529         helper->mail_op = self;
 530         helper->iter = tny_list_create_iterator (list);
 531         helper->failed = 0;
 532         helper->canceled = 0;
 533
 534         /* Async refresh folders */
 535         tny_folder_refresh_async (TNY_FOLDER (tny_iterator_get_current (helper->iter)),
 536                                   folder_refresh_cb,
 537                                   status_update_cb,
 538                                   helper);
 539 }
 540
 541 gboolean
 542 modest_mail_operation_update_account (ModestMailOperation *self,
 543                                       TnyStoreAccount *store_account)
 544 {
 545         ModestMailOperationPrivate *priv;
 546         TnyList *folders;
 547         TnyFolderStoreQuery *query;
 548
 549         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), FALSE);
 550         g_return_val_if_fail (TNY_IS_STORE_ACCOUNT(store_account), FALSE);
 551
 552         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 553
 554         /* Get subscribed folders & refresh them */
 555         folders = TNY_LIST (tny_simple_list_new ());
 556         query = tny_folder_store_query_new ();
 557         tny_folder_store_query_add_item (query, NULL, TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
 558         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (store_account),
 559                                             folders, update_folders_cb, query, self);
 560         g_object_unref (query);
 561
 562         return TRUE;
 563 }
 564
 565 ModestMailOperationStatus
 566 modest_mail_operation_get_status (ModestMailOperation *self)
 567 {
 568         ModestMailOperationPrivate *priv;
 569
 570         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
 571         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
 572                               MODEST_MAIL_OPERATION_STATUS_INVALID);
 573
 574         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 575         return priv->status;
 576 }
 577
 578 const GError *
 579 modest_mail_operation_get_error (ModestMailOperation *self)
 580 {
 581         ModestMailOperationPrivate *priv;
 582
 583         g_return_val_if_fail (self, NULL);
 584         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
 585
 586         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 587         return priv->error;
 588 }
 589
 590 gboolean
 591 modest_mail_operation_cancel (ModestMailOperation *self)
 592 {
 593         /* TODO */
 594         return TRUE;
 595 }
 596
 597 guint
 598 modest_mail_operation_get_task_done (ModestMailOperation *self)
 599 {
 600         ModestMailOperationPrivate *priv;
 601
 602         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
 603
 604         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 605         return priv->done;
 606 }
 607
 608 guint
 609 modest_mail_operation_get_task_total (ModestMailOperation *self)
 610 {
 611         ModestMailOperationPrivate *priv;
 612
 613         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), 0);
 614
 615         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 616         return priv->total;
 617 }
 618
 619 gboolean
 620 modest_mail_operation_is_finished (ModestMailOperation *self)
 621 {
 622         ModestMailOperationPrivate *priv;
 623         gboolean retval = FALSE;
 624
 625         if (!MODEST_IS_MAIL_OPERATION (self)) {
 626                 g_warning ("%s: invalid parametter", G_GNUC_FUNCTION);
 627                 return retval;
 628         }
 629
 630         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 631
 632         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
 633             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
 634             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
 635             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
 636                 retval = TRUE;
 637         } else {
 638                 retval = FALSE;
 639         }
 640
 641         return retval;
 642 }
 643
 644 /* ******************************************************************* */
 645 /* ************************** STORE  ACTIONS ************************* */
 646 /* ******************************************************************* */
 647
 648
 649 TnyFolder *
 650 modest_mail_operation_create_folder (ModestMailOperation *self,
 651                                      TnyFolderStore *parent,
 652                                      const gchar *name)
 653 {
 654         g_return_val_if_fail (TNY_IS_FOLDER_STORE (parent), NULL);
 655         g_return_val_if_fail (name, NULL);
 656
 657         TnyFolder *new_folder = NULL;
 658         TnyStoreAccount *store_account;
 659
 660         /* Create the folder */
 661         new_folder = tny_folder_store_create_folder (parent, name, NULL); /* FIXME */
 662         if (!new_folder)
 663                 return NULL;
 664
 665         /* Subscribe to folder */
 666         if (!tny_folder_is_subscribed (new_folder)) {
 667                 store_account = TNY_STORE_ACCOUNT (tny_folder_get_account (TNY_FOLDER (parent)));
 668                 tny_store_account_subscribe (store_account, new_folder);
 669                 g_object_unref (G_OBJECT (store_account));
 670         }
 671
 672         return new_folder;
 673 }
 674
 675 void
 676 modest_mail_operation_remove_folder (ModestMailOperation *self,
 677                                      TnyFolder *folder,
 678                                      gboolean remove_to_trash)
 679 {
 680         TnyFolderStore *folder_store;
 681
 682         g_return_if_fail (TNY_IS_FOLDER (folder));
 683
 684         /* Get folder store */
 685         folder_store = TNY_FOLDER_STORE (tny_folder_get_account (folder));
 686
 687         /* Delete folder or move to trash */
 688         if (remove_to_trash) {
 689                 TnyFolder *trash_folder;
 690
 691                 trash_folder = modest_mail_operation_find_trash_folder (self,
 692                                                                         TNY_STORE_ACCOUNT (folder_store));
 693
 694                 /* TODO: error_handling */
 695                 modest_mail_operation_move_folder (self,
 696                                                    folder,
 697                                                    TNY_FOLDER_STORE (trash_folder));
 698         } else {
 699                 tny_folder_store_remove_folder (folder_store, folder, NULL); /* FIXME */
 700                 g_object_unref (G_OBJECT (folder));
 701         }
 702
 703         /* Free instances */
 704         g_object_unref (G_OBJECT (folder_store));
 705 }
 706
 707 void
 708 modest_mail_operation_rename_folder (ModestMailOperation *self,
 709                                      TnyFolder *folder,
 710                                      const gchar *name)
 711 {
 712         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 713         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
 714         g_return_if_fail (name);
 715
 716         /* FIXME: better error handling */
 717         if (strrchr (name, '/') != NULL)
 718                 return;
 719
 720         /* Rename. Camel handles folder subscription/unsubscription */
 721         tny_folder_set_name (folder, name, NULL); /* FIXME */
 722  }
 723
 724 void
 725 modest_mail_operation_move_folder (ModestMailOperation *self,
 726                                    TnyFolder *folder,
 727                                    TnyFolderStore *parent)
 728 {
 729         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 730         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
 731         g_return_if_fail (TNY_IS_FOLDER (folder));
 732
 733         modest_mail_operation_xfer_folder (self, folder, parent, TRUE);
 734 }
 735
 736 void
 737 modest_mail_operation_copy_folder (ModestMailOperation *self,
 738                                    TnyFolder *folder,
 739                                    TnyFolderStore *parent)
 740 {
 741         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 742         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
 743         g_return_if_fail (TNY_IS_FOLDER (folder));
 744
 745         modest_mail_operation_xfer_folder (self, folder, parent, FALSE);
 746 }
 747
 748 static void
 749 modest_mail_operation_xfer_folder (ModestMailOperation *self,
 750                                    TnyFolder *folder,
 751                                    TnyFolderStore *parent,
 752                                    gboolean delete_original)
 753 {
 754         const gchar *folder_name;
 755         TnyFolder *dest_folder, *child;
 756         TnyIterator *iter;
 757         TnyList *folders, *headers;
 758
 759         g_return_if_fail (TNY_IS_FOLDER (folder));
 760         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
 761
 762         /* Create the destination folder */
 763         folder_name = tny_folder_get_name (folder);
 764         dest_folder = modest_mail_operation_create_folder (self,
 765                                                            parent, folder_name);
 766
 767         /* Transfer messages */
 768         headers = TNY_LIST (tny_simple_list_new ());
 769         tny_folder_get_headers (folder, headers, FALSE, NULL); /* FIXME */
 770         tny_folder_transfer_msgs (folder, headers, dest_folder, delete_original, NULL); /* FIXME */
 771
 772         /* Recurse children */
 773         folders = TNY_LIST (tny_simple_list_new ());
 774         tny_folder_store_get_folders (TNY_FOLDER_STORE (folder), folders, NULL, NULL ); /* FIXME */
 775         iter = tny_list_create_iterator (folders);
 776
 777         while (!tny_iterator_is_done (iter)) {
 778
 779                 child = TNY_FOLDER (tny_iterator_get_current (iter));
 780                 modest_mail_operation_xfer_folder (self, child,
 781                                                    TNY_FOLDER_STORE (dest_folder),
 782                                                    delete_original);
 783                 tny_iterator_next (iter);
 784         }
 785
 786         /* Delete source folder (if needed) */
 787         if (delete_original)
 788                 modest_mail_operation_remove_folder (self, folder, FALSE);
 789
 790         /* Clean up */
 791         g_object_unref (G_OBJECT (dest_folder));
 792         g_object_unref (G_OBJECT (headers));
 793         g_object_unref (G_OBJECT (folders));
 794         g_object_unref (G_OBJECT (iter));
 795 }
 796
 797
 798 /* FIXME: this method should be rewritten when the policy for the
 799    Trash folder becomes clearer */
 800 static TnyFolder *
 801 modest_mail_operation_find_trash_folder (ModestMailOperation *self,
 802                                          TnyStoreAccount *store_account)
 803 {
 804         TnyList *folders;
 805         TnyIterator *iter;
 806         gboolean found;
 807         /*TnyFolderStoreQuery *query;*/
 808         TnyFolder *trash_folder;
 809
 810         /* Look for Trash folder */
 811         folders = TNY_LIST (tny_simple_list_new ());
 812         tny_folder_store_get_folders (TNY_FOLDER_STORE (store_account),
 813                                       folders, NULL, NULL); /* FIXME */
 814         iter = tny_list_create_iterator (folders);
 815
 816         found = FALSE;
 817         while (!tny_iterator_is_done (iter) && !found) {
 818
 819                 trash_folder = TNY_FOLDER (tny_iterator_get_current (iter));
 820                 if (tny_folder_get_folder_type (trash_folder) == TNY_FOLDER_TYPE_TRASH)
 821                         found = TRUE;
 822                 else
 823                         tny_iterator_next (iter);
 824         }
 825
 826         /* Clean up */
 827         g_object_unref (G_OBJECT (folders));
 828         g_object_unref (G_OBJECT (iter));
 829
 830         /* TODO: better error handling management */
 831         if (!found)
 832                 return NULL;
 833         else
 834                 return trash_folder;
 835 }
 836
 837 /* ******************************************************************* */
 838 /* **************************  MSG  ACTIONS  ************************* */
 839 /* ******************************************************************* */
 840
 841 gboolean
 842 modest_mail_operation_copy_msg (ModestMailOperation *self,
 843                                 TnyHeader *header,
 844                                 TnyFolder *folder)
 845 {
 846         g_return_val_if_fail (TNY_IS_HEADER (header), FALSE);
 847         g_return_val_if_fail (TNY_IS_FOLDER (folder), FALSE);
 848
 849         return modest_mail_operation_xfer_msg (self, header, folder, FALSE);
 850 }
 851
 852 gboolean
 853 modest_mail_operation_move_msg (ModestMailOperation *self,
 854                                 TnyHeader *header,
 855                                 TnyFolder *folder)
 856 {
 857         g_return_val_if_fail (TNY_IS_HEADER (header), FALSE);
 858         g_return_val_if_fail (TNY_IS_FOLDER (folder), FALSE);
 859
 860         return modest_mail_operation_xfer_msg (self, header, folder, TRUE);
 861 }
 862
 863 void
 864 modest_mail_operation_remove_msg (ModestMailOperation *self,
 865                                   TnyHeader *header,
 866                                   gboolean remove_to_trash)
 867 {
 868         TnyFolder *folder;
 869
 870         g_return_if_fail (TNY_IS_HEADER (header));
 871
 872         folder = tny_header_get_folder (header);
 873
 874         /* Delete or move to trash */
 875         if (remove_to_trash) {
 876                 TnyFolder *trash_folder;
 877                 TnyStoreAccount *store_account;
 878
 879                 store_account = TNY_STORE_ACCOUNT (tny_folder_get_account (folder));
 880                 trash_folder = modest_mail_operation_find_trash_folder (self, store_account);
 881
 882                 if (trash_folder) {
 883                         modest_mail_operation_move_msg (self, header, trash_folder);
 884 /*                      g_object_unref (trash_folder); */
 885                 } else {
 886                         ModestMailOperationPrivate *priv;
 887
 888                         /* Set status failed and set an error */
 889                         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 890                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 891                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 892                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
 893                                      _("Error trying to delete a message. Trash folder not found"));
 894                 }
 895
 896                 g_object_unref (G_OBJECT (store_account));
 897         } else {
 898                 tny_folder_remove_msg (folder, header, NULL); /* FIXME */
 899                 tny_folder_expunge (folder, NULL); /* FIXME */
 900         }
 901
 902         /* Free */
 903         g_object_unref (folder);
 904 }
 905
 906 static void
 907 transfer_msgs_cb (TnyFolder *folder, GError **err, gpointer user_data)
 908 {
 909         ModestMailOperationPrivate *priv;
 910
 911         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(user_data);
 912         priv->done = 1;
 913         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
 914
 915         g_signal_emit (G_OBJECT (user_data), signals[PROGRESS_CHANGED_SIGNAL], 0, NULL);
 916 }
 917
 918 static gboolean
 919 modest_mail_operation_xfer_msg (ModestMailOperation *self,
 920                                 TnyHeader *header,
 921                                 TnyFolder *folder,
 922                                 gboolean delete_original)
 923 {
 924         ModestMailOperationPrivate *priv;
 925         TnyFolder *src_folder;
 926         TnyList *headers;
 927
 928         src_folder = tny_header_get_folder (header);
 929         headers = tny_simple_list_new ();
 930
 931         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 932         priv->total = 1;
 933         priv->done = 0;
 934         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 935
 936         tny_list_prepend (headers, G_OBJECT (header));
 937         tny_folder_transfer_msgs_async (src_folder, headers, folder,
 938                                         delete_original, transfer_msgs_cb, self);
 939
 940         /* Free */
 941         g_object_unref (headers);
 942         g_object_unref (folder);
 943
 944         return TRUE;
 945 }
 946
 947
 948 /* ******************************************************************* */
 949 /* ************************* UTILIY FUNCTIONS ************************ */
 950 /* ******************************************************************* */
 951 static gboolean
 952 is_ascii(const gchar *s)
 953 {
 954         while (s[0]) {
 955                 if (s[0] & 128 || s[0] < 32)
 956                         return FALSE;
 957                 s++;
 958         }
 959         return TRUE;
 960 }
 961
 962 static char *
 963 get_content_type(const gchar *s)
 964 {
 965         GString *type;
 966
 967         type = g_string_new("text/plain");
 968         if (!is_ascii(s)) {
 969                 if (g_utf8_validate(s, -1, NULL)) {
 970                         g_string_append(type, "; charset=\"utf-8\"");
 971                 } else {
 972                         /* it should be impossible to reach this, but better safe than sorry */
 973                         g_warning("invalid utf8 in message");
 974                         g_string_append(type, "; charset=\"latin1\"");
 975                 }
 976         }
 977         return g_string_free(type, FALSE);
 978 }
 979
 980 static void
 981 add_attachments (TnyMsg *msg, GList *attachments_list)
 982 {
 983         GList *pos;
 984         TnyMimePart *attachment_part, *old_attachment;
 985         const gchar *attachment_content_type;
 986         const gchar *attachment_filename;
 987         TnyStream *attachment_stream;
 988         TnyPlatformFactory *fact;
 989
 990         fact = modest_tny_platform_factory_get_instance ();
 991         for (pos = (GList *)attachments_list; pos; pos = pos->next) {
 992
 993                 old_attachment = pos->data;
 994                 attachment_filename = tny_mime_part_get_filename (old_attachment);
 995                 attachment_stream = tny_mime_part_get_stream (old_attachment);
 996                 attachment_part = tny_platform_factory_new_mime_part (fact);
 997
 998                 attachment_content_type = tny_mime_part_get_content_type (old_attachment);
 999
1000                 tny_mime_part_construct_from_stream (attachment_part,
1001                                                      attachment_stream,
1002                                                      attachment_content_type);
1003                 tny_stream_reset (attachment_stream);
1004
1005                 tny_mime_part_set_filename (attachment_part, attachment_filename);
1006
1007                 tny_mime_part_add_part (TNY_MIME_PART (msg), attachment_part);
1008 /*              g_object_unref (attachment_part); */
1009         }
1010 }
1011
1012
1013 static TnyMimePart *
1014 add_body_part (TnyMsg *msg,
1015                const gchar *body,
1016                const gchar *content_type,
1017                gboolean has_attachments)
1018 {
1019         TnyMimePart *text_body_part = NULL;
1020         TnyStream *text_body_stream;
1021         TnyPlatformFactory *fact;
1022
1023         fact = modest_tny_platform_factory_get_instance ();
1024
1025         /* Create the stream */
1026         text_body_stream = TNY_STREAM (tny_camel_stream_new
1027                                        (camel_stream_mem_new_with_buffer
1028                                         (body, strlen(body))));
1029
1030         /* Create body part if needed */
1031         if (has_attachments)
1032                 text_body_part = tny_platform_factory_new_mime_part (fact);
1033         else
1034                 text_body_part = TNY_MIME_PART(msg);
1035
1036         /* Construct MIME part */
1037         tny_stream_reset (text_body_stream);
1038         tny_mime_part_construct_from_stream (text_body_part,
1039                                              text_body_stream,
1040                                              content_type);
1041         tny_stream_reset (text_body_stream);
1042
1043         /* Add part if needed */
1044         if (has_attachments) {
1045                 tny_mime_part_add_part (TNY_MIME_PART (msg), text_body_part);
1046                 g_object_unref (G_OBJECT(text_body_part));
1047         }
1048
1049         /* Clean */
1050         g_object_unref (text_body_stream);
1051
1052         return text_body_part;
1053 }