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 <string.h>
  31 #include <stdarg.h>
  32 #include <tny-mime-part.h>
  33 #include <tny-store-account.h>
  34 #include <tny-folder-store.h>
  35 #include <tny-folder-store-query.h>
  36 #include <tny-camel-stream.h>
  37 #include <tny-camel-pop-store-account.h>
  38 #include <tny-camel-pop-folder.h>
  39 #include <tny-camel-imap-folder.h>
  40 #include <tny-camel-mem-stream.h>
  41 #include <tny-simple-list.h>
  42 #include <tny-send-queue.h>
  43 #include <tny-status.h>
  44 #include <tny-folder-observer.h>
  45 #include <camel/camel-stream-mem.h>
  46 #include <glib/gi18n.h>
  47 #include "modest-platform.h"
  48 #include "modest-account-mgr-helpers.h"
  49 #include <modest-tny-account.h>
  50 #include <modest-tny-send-queue.h>
  51 #include <modest-runtime.h>
  52 #include "modest-text-utils.h"
  53 #include "modest-tny-msg.h"
  54 #include "modest-tny-folder.h"
  55 #include "modest-tny-account-store.h"
  56 #include "modest-tny-platform-factory.h"
  57 #include "modest-marshal.h"
  58 #include "modest-error.h"
  59 #include "modest-mail-operation.h"
  60
  61 #define KB 1024
  62
  63 /*
  64  * Remove all these #ifdef stuff when the tinymail's idle calls become
  65  * locked
  66  */
  67 #define TINYMAIL_IDLES_NOT_LOCKED_YET 1
  68
  69 /* 'private'/'protected' functions */
  70 static void modest_mail_operation_class_init (ModestMailOperationClass *klass);
  71 static void modest_mail_operation_init       (ModestMailOperation *obj);
  72 static void modest_mail_operation_finalize   (GObject *obj);
  73
  74 static void     get_msg_async_cb (TnyFolder *folder,
  75                                   gboolean cancelled,
  76                                   TnyMsg *msg,
  77                                   GError *rr,
  78                                   gpointer user_data);
  79
  80 static void     get_msg_status_cb (GObject *obj,
  81                                    TnyStatus *status,
  82                                    gpointer user_data);
  83
  84 static void     modest_mail_operation_notify_start (ModestMailOperation *self);
  85 static void     modest_mail_operation_notify_end (ModestMailOperation *self);
  86
  87 static void     notify_progress_of_multiple_messages (ModestMailOperation *self,
  88                                                       TnyStatus *status,
  89                                                       gint *last_total_bytes,
  90                                                       gint *sum_total_bytes,
  91                                                       gint total_bytes,
  92                                                       gboolean increment_done);
  93
  94 static guint    compute_message_list_size (TnyList *headers);
  95
  96 static guint    compute_message_array_size (GPtrArray *headers);
  97
  98 static int      compare_headers_by_date   (gconstpointer a,
  99                                            gconstpointer b);
 100
 101 enum _ModestMailOperationSignals
 102 {
 103         PROGRESS_CHANGED_SIGNAL,
 104         OPERATION_STARTED_SIGNAL,
 105         OPERATION_FINISHED_SIGNAL,
 106         NUM_SIGNALS
 107 };
 108
 109 typedef struct _ModestMailOperationPrivate ModestMailOperationPrivate;
 110 struct _ModestMailOperationPrivate {
 111         TnyAccount                *account;
 112         guint                      done;
 113         guint                      total;
 114         GObject                   *source;
 115         GError                    *error;
 116         ErrorCheckingUserCallback  error_checking;
 117         gpointer                   error_checking_user_data;
 118         ErrorCheckingUserDataDestroyer error_checking_user_data_destroyer;
 119         ModestMailOperationStatus  status;
 120         ModestMailOperationTypeOperation op_type;
 121 };
 122
 123 #define MODEST_MAIL_OPERATION_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 124                                                    MODEST_TYPE_MAIL_OPERATION, \
 125                                                    ModestMailOperationPrivate))
 126
 127 #define CHECK_EXCEPTION(priv, new_status)  if (priv->error) {\
 128                                                    priv->status = new_status;\
 129                                                }
 130
 131
 132 typedef struct {
 133         GetMsgAsyncUserCallback user_callback;
 134         TnyHeader *header;
 135         gpointer user_data;
 136         ModestMailOperation *mail_op;
 137         GDestroyNotify destroy_notify;
 138         gint last_total_bytes;
 139         gint sum_total_bytes;
 140         gint total_bytes;
 141 } GetMsgInfo;
 142
 143 typedef struct {
 144         ModestMailOperation *mail_op;
 145         TnyMsg *msg;
 146         gulong msg_sent_handler;
 147         gulong error_happened_handler;
 148 } SendMsgInfo;
 149
 150 static void     send_mail_msg_sent_handler (TnySendQueue *queue, TnyHeader *header, TnyMsg *msg,
 151                                             guint nth, guint total, gpointer userdata);
 152 static void     send_mail_error_happened_handler (TnySendQueue *queue, TnyHeader *header, TnyMsg *msg,
 153                                                   GError *error, gpointer userdata);
 154 static void     common_send_mail_operation_end (TnySendQueue *queue, TnyMsg *msg,
 155                                                 SendMsgInfo *info);
 156
 157 typedef struct _RefreshAsyncHelper {
 158         ModestMailOperation *mail_op;
 159         RefreshAsyncUserCallback user_callback;
 160         gpointer user_data;
 161 } RefreshAsyncHelper;
 162
 163 typedef struct _XFerMsgAsyncHelper
 164 {
 165         ModestMailOperation *mail_op;
 166         TnyList *headers;
 167         TnyFolder *dest_folder;
 168         XferAsyncUserCallback user_callback;
 169         gboolean delete;
 170         gpointer user_data;
 171         gint last_total_bytes;
 172         gint sum_total_bytes;
 173         gint total_bytes;
 174 } XFerMsgAsyncHelper;
 175
 176 typedef void (*ModestMailOperationCreateMsgCallback) (ModestMailOperation *mail_op,
 177                                                       TnyMsg *msg,
 178                                                       gpointer userdata);
 179
 180 static void          modest_mail_operation_create_msg (ModestMailOperation *self,
 181                                                        const gchar *from, const gchar *to,
 182                                                        const gchar *cc, const gchar *bcc,
 183                                                        const gchar *subject, const gchar *plain_body,
 184                                                        const gchar *html_body, const GList *attachments_list,
 185                                                        const GList *images_list,
 186                                                        TnyHeaderFlags priority_flags,
 187                                                        ModestMailOperationCreateMsgCallback callback,
 188                                                        gpointer userdata);
 189
 190 static gboolean      idle_notify_queue (gpointer data);
 191 typedef struct
 192 {
 193         ModestMailOperation *mail_op;
 194         gchar *from;
 195         gchar *to;
 196         gchar *cc;
 197         gchar *bcc;
 198         gchar *subject;
 199         gchar *plain_body;
 200         gchar *html_body;
 201         GList *attachments_list;
 202         GList *images_list;
 203         TnyHeaderFlags priority_flags;
 204         ModestMailOperationCreateMsgCallback callback;
 205         gpointer userdata;
 206 } CreateMsgInfo;
 207
 208 typedef struct
 209 {
 210         ModestMailOperation *mail_op;
 211         TnyMsg *msg;
 212         ModestMailOperationCreateMsgCallback callback;
 213         gpointer userdata;
 214 } CreateMsgIdleInfo;
 215
 216 /* globals */
 217 static GObjectClass *parent_class = NULL;
 218
 219 static guint signals[NUM_SIGNALS] = {0};
 220
 221 GType
 222 modest_mail_operation_get_type (void)
 223 {
 224         static GType my_type = 0;
 225         if (!my_type) {
 226                 static const GTypeInfo my_info = {
 227                         sizeof(ModestMailOperationClass),
 228                         NULL,           /* base init */
 229                         NULL,           /* base finalize */
 230                         (GClassInitFunc) modest_mail_operation_class_init,
 231                         NULL,           /* class finalize */
 232                         NULL,           /* class data */
 233                         sizeof(ModestMailOperation),
 234                         1,              /* n_preallocs */
 235                         (GInstanceInitFunc) modest_mail_operation_init,
 236                         NULL
 237                 };
 238                 my_type = g_type_register_static (G_TYPE_OBJECT,
 239                                                   "ModestMailOperation",
 240                                                   &my_info, 0);
 241         }
 242         return my_type;
 243 }
 244
 245 static void
 246 modest_mail_operation_class_init (ModestMailOperationClass *klass)
 247 {
 248         GObjectClass *gobject_class;
 249         gobject_class = (GObjectClass*) klass;
 250
 251         parent_class            = g_type_class_peek_parent (klass);
 252         gobject_class->finalize = modest_mail_operation_finalize;
 253
 254         g_type_class_add_private (gobject_class, sizeof(ModestMailOperationPrivate));
 255
 256         /**
 257          * ModestMailOperation::progress-changed
 258          * @self: the #MailOperation that emits the signal
 259          * @user_data: user data set when the signal handler was connected
 260          *
 261          * Emitted when the progress of a mail operation changes
 262          */
 263         signals[PROGRESS_CHANGED_SIGNAL] =
 264                 g_signal_new ("progress-changed",
 265                               G_TYPE_FROM_CLASS (gobject_class),
 266                               G_SIGNAL_RUN_FIRST,
 267                               G_STRUCT_OFFSET (ModestMailOperationClass, progress_changed),
 268                               NULL, NULL,
 269                               g_cclosure_marshal_VOID__POINTER,
 270                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 271         /**
 272          * operation-started
 273          *
 274          * This signal is issued whenever a mail operation starts, and
 275          * starts mean when the tinymail operation is issued. This
 276          * means that it could happen that something wrong happens and
 277          * the tinymail function is never called. In this situation a
 278          * operation-finished will be issued without any
 279          * operation-started
 280          */
 281         signals[OPERATION_STARTED_SIGNAL] =
 282                 g_signal_new ("operation-started",
 283                               G_TYPE_FROM_CLASS (gobject_class),
 284                               G_SIGNAL_RUN_FIRST,
 285                               G_STRUCT_OFFSET (ModestMailOperationClass, operation_started),
 286                               NULL, NULL,
 287                               g_cclosure_marshal_VOID__VOID,
 288                               G_TYPE_NONE, 0);
 289         /**
 290          * operation-started
 291          *
 292          * This signal is issued whenever a mail operation
 293          * finishes. Note that this signal could be issued without any
 294          * previous "operation-started" signal, because this last one
 295          * is only issued when the tinymail operation is successfully
 296          * started
 297          */
 298         signals[OPERATION_FINISHED_SIGNAL] =
 299                 g_signal_new ("operation-finished",
 300                               G_TYPE_FROM_CLASS (gobject_class),
 301                               G_SIGNAL_RUN_FIRST,
 302                               G_STRUCT_OFFSET (ModestMailOperationClass, operation_finished),
 303                               NULL, NULL,
 304                               g_cclosure_marshal_VOID__VOID,
 305                               G_TYPE_NONE, 0);
 306 }
 307
 308 static void
 309 modest_mail_operation_init (ModestMailOperation *obj)
 310 {
 311         ModestMailOperationPrivate *priv;
 312
 313         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 314
 315         priv->account        = NULL;
 316         priv->status         = MODEST_MAIL_OPERATION_STATUS_INVALID;
 317         priv->op_type        = MODEST_MAIL_OPERATION_TYPE_UNKNOWN;
 318         priv->error          = NULL;
 319         priv->done           = 0;
 320         priv->total          = 0;
 321         priv->source         = NULL;
 322         priv->error_checking = NULL;
 323         priv->error_checking_user_data = NULL;
 324 }
 325
 326 static void
 327 modest_mail_operation_finalize (GObject *obj)
 328 {
 329         ModestMailOperationPrivate *priv;
 330
 331         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 332
 333
 334
 335         if (priv->error) {
 336                 g_error_free (priv->error);
 337                 priv->error = NULL;
 338         }
 339         if (priv->source) {
 340                 g_object_unref (priv->source);
 341                 priv->source = NULL;
 342         }
 343         if (priv->account) {
 344                 g_object_unref (priv->account);
 345                 priv->account = NULL;
 346         }
 347
 348
 349         G_OBJECT_CLASS(parent_class)->finalize (obj);
 350 }
 351
 352 ModestMailOperation*
 353 modest_mail_operation_new (GObject *source)
 354 {
 355         ModestMailOperation *obj;
 356         ModestMailOperationPrivate *priv;
 357
 358         obj = MODEST_MAIL_OPERATION(g_object_new(MODEST_TYPE_MAIL_OPERATION, NULL));
 359         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 360
 361         if (source != NULL)
 362                 priv->source = g_object_ref(source);
 363
 364         return obj;
 365 }
 366
 367 ModestMailOperation*
 368 modest_mail_operation_new_with_error_handling (GObject *source,
 369                                                ErrorCheckingUserCallback error_handler,
 370                                                gpointer user_data,
 371                                                ErrorCheckingUserDataDestroyer error_handler_destroyer)
 372 {
 373         ModestMailOperation *obj;
 374         ModestMailOperationPrivate *priv;
 375
 376         obj = modest_mail_operation_new (source);
 377         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(obj);
 378
 379         g_return_val_if_fail (error_handler != NULL, obj);
 380         priv->error_checking = error_handler;
 381         priv->error_checking_user_data = user_data;
 382         priv->error_checking_user_data_destroyer = error_handler_destroyer;
 383
 384         return obj;
 385 }
 386
 387 void
 388 modest_mail_operation_execute_error_handler (ModestMailOperation *self)
 389 {
 390         ModestMailOperationPrivate *priv;
 391
 392         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION(self));
 393
 394         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 395         g_return_if_fail(priv->status != MODEST_MAIL_OPERATION_STATUS_SUCCESS);
 396
 397         /* Call the user callback */
 398         if (priv->error_checking != NULL)
 399                 priv->error_checking (self, priv->error_checking_user_data);
 400 }
 401
 402
 403 ModestMailOperationTypeOperation
 404 modest_mail_operation_get_type_operation (ModestMailOperation *self)
 405 {
 406         ModestMailOperationPrivate *priv;
 407
 408         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 409                               MODEST_MAIL_OPERATION_TYPE_UNKNOWN);
 410
 411         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 412
 413         return priv->op_type;
 414 }
 415
 416 gboolean
 417 modest_mail_operation_is_mine (ModestMailOperation *self,
 418                                GObject *me)
 419 {
 420         ModestMailOperationPrivate *priv;
 421
 422         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 423                               FALSE);
 424
 425         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 426         if (priv->source == NULL) return FALSE;
 427
 428         return priv->source == me;
 429 }
 430
 431 GObject *
 432 modest_mail_operation_get_source (ModestMailOperation *self)
 433 {
 434         ModestMailOperationPrivate *priv;
 435
 436         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 437                               NULL);
 438
 439         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 440         if (!priv) {
 441                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
 442                 return NULL;
 443         }
 444
 445         return (priv->source) ? g_object_ref (priv->source) : NULL;
 446 }
 447
 448 ModestMailOperationStatus
 449 modest_mail_operation_get_status (ModestMailOperation *self)
 450 {
 451         ModestMailOperationPrivate *priv;
 452
 453         g_return_val_if_fail (self, MODEST_MAIL_OPERATION_STATUS_INVALID);
 454         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self),
 455                               MODEST_MAIL_OPERATION_STATUS_INVALID);
 456
 457         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 458         if (!priv) {
 459                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
 460                 return MODEST_MAIL_OPERATION_STATUS_INVALID;
 461         }
 462
 463         return priv->status;
 464 }
 465
 466 const GError *
 467 modest_mail_operation_get_error (ModestMailOperation *self)
 468 {
 469         ModestMailOperationPrivate *priv;
 470
 471         g_return_val_if_fail (self, NULL);
 472         g_return_val_if_fail (MODEST_IS_MAIL_OPERATION (self), NULL);
 473
 474         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 475
 476         if (!priv) {
 477                 g_warning ("BUG: %s: priv == NULL", __FUNCTION__);
 478                 return NULL;
 479         }
 480
 481         return priv->error;
 482 }
 483
 484 gboolean
 485 modest_mail_operation_cancel (ModestMailOperation *self)
 486 {
 487         ModestMailOperationPrivate *priv;
 488         gboolean canceled = FALSE;
 489
 490         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION (self), FALSE);
 491
 492         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 493
 494         /* Note that if we call cancel with an already canceled mail
 495            operation the progress changed signal won't be emitted */
 496         if (priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED)
 497                 return FALSE;
 498
 499         /* Set new status */
 500         priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
 501
 502         /* Cancel the mail operation. We need to wrap it between this
 503            start/stop operations to allow following calls to the
 504            account */
 505         g_return_val_if_fail (priv->account, FALSE);
 506
 507         if (priv->op_type == MODEST_MAIL_OPERATION_TYPE_SEND) {
 508                 ModestTnySendQueue *queue;
 509                 queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT (priv->account));
 510                 /* Cancel sending without removing the item */
 511                 tny_send_queue_cancel (TNY_SEND_QUEUE (queue), FALSE, NULL);
 512         } else {
 513                 /* Cancel operation */
 514                 tny_account_cancel (priv->account);
 515         }
 516
 517         return canceled;
 518 }
 519
 520 guint
 521 modest_mail_operation_get_task_done (ModestMailOperation *self)
 522 {
 523         ModestMailOperationPrivate *priv;
 524
 525         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 526                               0);
 527
 528         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 529         return priv->done;
 530 }
 531
 532 guint
 533 modest_mail_operation_get_task_total (ModestMailOperation *self)
 534 {
 535         ModestMailOperationPrivate *priv;
 536
 537         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 538                               0);
 539
 540         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 541         return priv->total;
 542 }
 543
 544 gboolean
 545 modest_mail_operation_is_finished (ModestMailOperation *self)
 546 {
 547         ModestMailOperationPrivate *priv;
 548         gboolean retval = FALSE;
 549
 550         g_return_val_if_fail (self && MODEST_IS_MAIL_OPERATION(self),
 551                               FALSE);
 552
 553         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 554
 555         if (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS   ||
 556             priv->status == MODEST_MAIL_OPERATION_STATUS_FAILED    ||
 557             priv->status == MODEST_MAIL_OPERATION_STATUS_CANCELED  ||
 558             priv->status == MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS) {
 559                 retval = TRUE;
 560         } else {
 561                 retval = FALSE;
 562         }
 563
 564         return retval;
 565 }
 566
 567 /*
 568  * Creates an image of the current state of a mail operation, the
 569  * caller must free it
 570  */
 571 static ModestMailOperationState *
 572 modest_mail_operation_clone_state (ModestMailOperation *self)
 573 {
 574         ModestMailOperationState *state;
 575         ModestMailOperationPrivate *priv;
 576
 577         /* FIXME: this should be fixed properly
 578          *
 579          * in some cases, priv was NULL, so checking here to
 580          * make sure.
 581          */
 582         g_return_val_if_fail (self, NULL);
 583         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
 584         g_return_val_if_fail (priv, NULL);
 585
 586         if (!priv)
 587                 return NULL;
 588
 589         state = g_slice_new (ModestMailOperationState);
 590
 591         state->status = priv->status;
 592         state->op_type = priv->op_type;
 593         state->done = priv->done;
 594         state->total = priv->total;
 595         state->finished = modest_mail_operation_is_finished (self);
 596         state->bytes_done = 0;
 597         state->bytes_total = 0;
 598
 599         return state;
 600 }
 601
 602 /* ******************************************************************* */
 603 /* ************************** SEND   ACTIONS ************************* */
 604 /* ******************************************************************* */
 605
 606 void
 607 modest_mail_operation_send_mail (ModestMailOperation *self,
 608                                  TnyTransportAccount *transport_account,
 609                                  TnyMsg* msg)
 610 {
 611         TnySendQueue *send_queue = NULL;
 612         ModestMailOperationPrivate *priv;
 613         SendMsgInfo *info;
 614
 615         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION (self));
 616         g_return_if_fail (transport_account && TNY_IS_TRANSPORT_ACCOUNT (transport_account));
 617         g_return_if_fail (msg && TNY_IS_MSG (msg));
 618
 619         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 620
 621         /* Get account and set it into mail_operation */
 622         priv->account = g_object_ref (transport_account);
 623         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND;
 624         priv->done = 1;
 625         priv->total = 1;
 626
 627         send_queue = TNY_SEND_QUEUE (modest_runtime_get_send_queue (transport_account));
 628         if (!TNY_IS_SEND_QUEUE(send_queue)) {
 629                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 630                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
 631                              "modest: could not find send queue for account\n");
 632                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 633                 modest_mail_operation_notify_end (self);
 634
 635         } else {
 636                 /* Add the msg to the queue */
 637                 modest_mail_operation_notify_start (self);
 638                 modest_tny_send_queue_add (MODEST_TNY_SEND_QUEUE(send_queue),
 639                                            msg,
 640                                            &(priv->error));
 641
 642                 priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 643
 644                 info = g_slice_new0 (SendMsgInfo);
 645
 646                 info->mail_op = g_object_ref (self);
 647                 info->msg = g_object_ref (msg);
 648                 info->msg_sent_handler = g_signal_connect (G_OBJECT (send_queue), "msg-sent",
 649                                                            G_CALLBACK (send_mail_msg_sent_handler), info);
 650                 info->error_happened_handler = g_signal_connect (G_OBJECT (send_queue), "error-happened",
 651                                                                  G_CALLBACK (send_mail_error_happened_handler), info);
 652         }
 653
 654 }
 655
 656 static void
 657 common_send_mail_operation_end (TnySendQueue *queue, TnyMsg *msg,
 658                                 SendMsgInfo *info)
 659 {
 660         g_signal_handler_disconnect (queue, info->msg_sent_handler);
 661         g_signal_handler_disconnect (queue, info->error_happened_handler);
 662
 663         g_object_unref (info->msg);
 664         modest_mail_operation_notify_end (info->mail_op);
 665         g_object_unref (info->mail_op);
 666
 667         g_slice_free (SendMsgInfo, info);
 668 }
 669
 670 static void
 671 send_mail_msg_sent_handler (TnySendQueue *queue, TnyHeader *header, TnyMsg *msg,
 672                             guint nth, guint total, gpointer userdata)
 673 {
 674         SendMsgInfo *info = (SendMsgInfo *) userdata;
 675         TnyHeader *hdr1, *hdr2;
 676         const char *msgid1, *msgid2;
 677         hdr1 = tny_msg_get_header(msg);
 678         hdr2 = tny_msg_get_header(info->msg);
 679         msgid1 = tny_header_get_message_id(hdr1);
 680         msgid2 = tny_header_get_message_id(hdr2);
 681         if (msgid1 == NULL) msgid1 = "(null)";
 682         if (msgid2 == NULL) msgid2 = "(null)";
 683
 684         if (!strcmp (msgid1, msgid2)) {
 685                 ModestMailOperationPrivate *priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
 686                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
 687
 688                 common_send_mail_operation_end (queue, msg, info);
 689         }
 690         g_object_unref(G_OBJECT(hdr1));
 691         g_object_unref(G_OBJECT(hdr2));
 692 }
 693
 694 static void
 695 send_mail_error_happened_handler (TnySendQueue *queue, TnyHeader *header, TnyMsg *msg,
 696                                   GError *error, gpointer userdata)
 697 {
 698         SendMsgInfo *info = (SendMsgInfo *) userdata;
 699         TnyHeader *hdr1, *hdr2;
 700         const char *msgid1, *msgid2;
 701
 702         hdr1 = tny_msg_get_header(msg);
 703         hdr2 = tny_msg_get_header(info->msg);
 704         msgid1 = tny_header_get_message_id(hdr1);
 705         msgid2 = tny_header_get_message_id(hdr2);
 706         if (msgid1 == NULL) msgid1 = "(null)";
 707         if (msgid2 == NULL) msgid2 = "(null)";
 708
 709         if (!strcmp (msgid1, msgid2)) {
 710                 ModestMailOperationPrivate *priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
 711                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 712                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 713                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
 714                              "modest: send mail failed\n");
 715
 716                 common_send_mail_operation_end (queue, msg, info);
 717         }
 718         g_object_unref(G_OBJECT(hdr1));
 719         g_object_unref(G_OBJECT(hdr2));
 720 }
 721
 722
 723 static gboolean
 724 idle_create_msg_cb (gpointer idle_data)
 725 {
 726         CreateMsgIdleInfo *info = (CreateMsgIdleInfo *) idle_data;
 727
 728         /* This is a GDK lock because we are an idle callback and
 729          * info->callback can contain Gtk+ code */
 730
 731         gdk_threads_enter (); /* CHECKED */
 732         info->callback (info->mail_op, info->msg, info->userdata);
 733
 734         g_object_unref (info->mail_op);
 735         if (info->msg)
 736                 g_object_unref (info->msg);
 737         g_slice_free (CreateMsgIdleInfo, info);
 738         gdk_threads_leave (); /* CHECKED */
 739
 740         return FALSE;
 741 }
 742
 743 static gpointer
 744 create_msg_thread (gpointer thread_data)
 745 {
 746         CreateMsgInfo *info = (CreateMsgInfo *) thread_data;
 747         TnyMsg *new_msg = NULL;
 748         ModestMailOperationPrivate *priv;
 749
 750         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mail_op);
 751         if (info->html_body == NULL) {
 752                 new_msg = modest_tny_msg_new (info->to, info->from, info->cc,
 753                                               info->bcc, info->subject, info->plain_body,
 754                                               info->attachments_list);
 755         } else {
 756                 new_msg = modest_tny_msg_new_html_plain (info->to, info->from, info->cc,
 757                                                          info->bcc, info->subject, info->html_body,
 758                                                          info->plain_body, info->attachments_list,
 759                                                          info->images_list);
 760         }
 761
 762         if (new_msg) {
 763                 TnyHeader *header;
 764
 765                 /* Set priority flags in message */
 766                 header = tny_msg_get_header (new_msg);
 767                 tny_header_set_flag (header, info->priority_flags);
 768
 769                 /* Set attachment flags in message */
 770                 if (info->attachments_list != NULL)
 771                         tny_header_set_flag (header, TNY_HEADER_FLAG_ATTACHMENTS);
 772
 773                 g_object_unref (G_OBJECT(header));
 774         } else {
 775                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 776                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 777                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
 778                              "modest: failed to create a new msg\n");
 779         }
 780
 781
 782         g_free (info->to);
 783         g_free (info->from);
 784         g_free (info->cc);
 785         g_free (info->bcc);
 786         g_free (info->plain_body);
 787         g_free (info->html_body);
 788         g_free (info->subject);
 789         g_list_foreach (info->attachments_list, (GFunc) g_object_unref, NULL);
 790         g_list_free (info->attachments_list);
 791         g_list_foreach (info->images_list, (GFunc) g_object_unref, NULL);
 792         g_list_free (info->images_list);
 793
 794         if (info->callback) {
 795                 CreateMsgIdleInfo *idle_info;
 796                 idle_info = g_slice_new0 (CreateMsgIdleInfo);
 797                 idle_info->mail_op = g_object_ref (info->mail_op);
 798                 idle_info->msg = (new_msg) ? g_object_ref (new_msg) : NULL;
 799                 idle_info->callback = info->callback;
 800                 idle_info->userdata = info->userdata;
 801                 g_idle_add (idle_create_msg_cb, idle_info);
 802         } else {
 803                 g_idle_add (idle_notify_queue, g_object_ref (info->mail_op));
 804         }
 805
 806         g_object_unref (info->mail_op);
 807         g_slice_free (CreateMsgInfo, info);
 808         if (new_msg) g_object_unref(new_msg);
 809         return NULL;
 810 }
 811
 812 void
 813 modest_mail_operation_create_msg (ModestMailOperation *self,
 814                                   const gchar *from, const gchar *to,
 815                                   const gchar *cc, const gchar *bcc,
 816                                   const gchar *subject, const gchar *plain_body,
 817                                   const gchar *html_body,
 818                                   const GList *attachments_list,
 819                                   const GList *images_list,
 820                                   TnyHeaderFlags priority_flags,
 821                                   ModestMailOperationCreateMsgCallback callback,
 822                                   gpointer userdata)
 823 {
 824         CreateMsgInfo *info = NULL;
 825
 826         info = g_slice_new0 (CreateMsgInfo);
 827         info->mail_op = g_object_ref (self);
 828
 829         info->from = g_strdup (from);
 830         info->to = g_strdup (to);
 831         info->cc = g_strdup (cc);
 832         info->bcc  = g_strdup (bcc);
 833         info->subject = g_strdup (subject);
 834         info->plain_body = g_strdup (plain_body);
 835         info->html_body = g_strdup (html_body);
 836         info->attachments_list = g_list_copy ((GList *) attachments_list);
 837         g_list_foreach (info->attachments_list, (GFunc) g_object_ref, NULL);
 838         info->images_list = g_list_copy ((GList *) images_list);
 839         g_list_foreach (info->images_list, (GFunc) g_object_ref, NULL);
 840         info->priority_flags = priority_flags;
 841
 842         info->callback = callback;
 843         info->userdata = userdata;
 844
 845         g_thread_create (create_msg_thread, info, FALSE, NULL);
 846 }
 847
 848 typedef struct
 849 {
 850         TnyTransportAccount *transport_account;
 851         TnyMsg *draft_msg;
 852 } SendNewMailInfo;
 853
 854 static void
 855 modest_mail_operation_send_new_mail_cb (ModestMailOperation *self,
 856                                         TnyMsg *msg,
 857                                         gpointer userdata)
 858 {
 859         SendNewMailInfo *info = (SendNewMailInfo *) userdata;
 860         TnyFolder *draft_folder = NULL;
 861         TnyFolder *outbox_folder = NULL;
 862         TnyHeader *header;
 863         GError *err = NULL;
 864
 865         if (!msg) {
 866                 goto end;
 867         }
 868
 869         /* Call mail operation */
 870         modest_mail_operation_send_mail (self, info->transport_account, msg);
 871
 872         /* Remove old mail from its source folder */
 873         draft_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account),
 874                                                               TNY_FOLDER_TYPE_DRAFTS);
 875         outbox_folder = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account),
 876                                                                TNY_FOLDER_TYPE_OUTBOX);
 877         if (info->draft_msg != NULL) {
 878                 TnyFolder *folder = NULL;
 879                 TnyFolder *src_folder = NULL;
 880                 TnyFolderType folder_type;
 881                 folder = tny_msg_get_folder (info->draft_msg);
 882                 if (folder == NULL) goto end;
 883                 folder_type = modest_tny_folder_guess_folder_type (folder);
 884
 885                 if (folder_type == TNY_FOLDER_TYPE_INVALID)
 886                         g_warning ("%s: BUG: folder of type TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
 887
 888                 if (folder_type == TNY_FOLDER_TYPE_OUTBOX)
 889                         src_folder = outbox_folder;
 890                 else
 891                         src_folder = draft_folder;
 892
 893                 /* Note: This can fail (with a warning) if the message is not really already in a folder,
 894                  * because this function requires it to have a UID. */
 895                 header = tny_msg_get_header (info->draft_msg);
 896                 tny_folder_remove_msg (src_folder, header, NULL);
 897
 898                 tny_folder_sync (folder, TRUE, &err); /* FALSE --> don't expunge */
 899 /*              tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);  /\* expunge *\/ */
 900
 901                 g_object_unref (header);
 902                 g_object_unref (folder);
 903         }
 904
 905 end:
 906         if (err != NULL)
 907                 g_error_free(err);
 908         if (info->draft_msg)
 909                 g_object_unref (info->draft_msg);
 910         if (draft_folder)
 911                 g_object_unref (draft_folder);
 912         if (outbox_folder)
 913                 g_object_unref (outbox_folder);
 914         if (info->transport_account)
 915                 g_object_unref (info->transport_account);
 916         g_slice_free (SendNewMailInfo, info);
 917 }
 918
 919 void
 920 modest_mail_operation_send_new_mail (ModestMailOperation *self,
 921                                      TnyTransportAccount *transport_account,
 922                                      TnyMsg *draft_msg,
 923                                      const gchar *from,  const gchar *to,
 924                                      const gchar *cc,  const gchar *bcc,
 925                                      const gchar *subject, const gchar *plain_body,
 926                                      const gchar *html_body,
 927                                      const GList *attachments_list,
 928                                      const GList *images_list,
 929                                      TnyHeaderFlags priority_flags)
 930 {
 931         ModestMailOperationPrivate *priv = NULL;
 932         SendNewMailInfo *info;
 933
 934         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
 935         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
 936
 937         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
 938         priv->op_type = MODEST_MAIL_OPERATION_TYPE_SEND;
 939         priv->account = TNY_ACCOUNT (g_object_ref (transport_account));
 940         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
 941
 942         /* Check parametters */
 943         if (to == NULL) {
 944                 /* Set status failed and set an error */
 945                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
 946                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
 947                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
 948                              _("Error trying to send a mail. You need to set at least one recipient"));
 949                 return;
 950         }
 951         info = g_slice_new0 (SendNewMailInfo);
 952         info->transport_account = transport_account;
 953         if (transport_account)
 954                 g_object_ref (transport_account);
 955         info->draft_msg = draft_msg;
 956         if (draft_msg)
 957                 g_object_ref (draft_msg);
 958
 959
 960         modest_mail_operation_notify_start (self);
 961         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
 962                                           attachments_list, images_list, priority_flags,
 963                                           modest_mail_operation_send_new_mail_cb, info);
 964
 965 }
 966
 967 typedef struct
 968 {
 969         TnyTransportAccount *transport_account;
 970         TnyMsg *draft_msg;
 971         SaveToDraftstCallback callback;
 972         gpointer user_data;
 973         TnyFolder *drafts;
 974         TnyMsg *msg;
 975         ModestMailOperation *mailop;
 976 } SaveToDraftsAddMsgInfo;
 977
 978 static void
 979 modest_mail_operation_save_to_drafts_add_msg_cb(TnyFolder *self,
 980                                                 gboolean canceled,
 981                                                 GError *err,
 982                                                 gpointer userdata)
 983 {
 984         ModestMailOperationPrivate *priv = NULL;
 985         SaveToDraftsAddMsgInfo *info = (SaveToDraftsAddMsgInfo *) userdata;
 986
 987         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(info->mailop);
 988
 989         if (priv->error) {
 990                 g_warning ("%s: priv->error != NULL", __FUNCTION__);
 991                 g_error_free(priv->error);
 992         }
 993
 994         priv->error = (err == NULL) ? NULL : g_error_copy(err);
 995
 996         if ((!priv->error) && (info->draft_msg != NULL)) {
 997                 TnyHeader *header = tny_msg_get_header (info->draft_msg);
 998                 TnyFolder *src_folder = tny_header_get_folder (header);
 999
1000                 /* Remove the old draft */
1001                 tny_folder_remove_msg (src_folder, header, NULL);
1002
1003                 /* Synchronize to expunge and to update the msg counts */
1004                 tny_folder_sync_async (info->drafts, TRUE, NULL, NULL, NULL);
1005                 tny_folder_sync_async (src_folder, TRUE, NULL, NULL, NULL);
1006
1007                 g_object_unref (G_OBJECT(header));
1008                 g_object_unref (G_OBJECT(src_folder));
1009         }
1010
1011         if (!priv->error)
1012                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1013         else
1014                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1015
1016         /* Call the user callback */
1017         if (info->callback)
1018                 info->callback (info->mailop, info->msg, info->user_data);
1019
1020         if (info->transport_account)
1021                 g_object_unref (G_OBJECT(info->transport_account));
1022         if (info->draft_msg)
1023                 g_object_unref (G_OBJECT (info->draft_msg));
1024         if (info->drafts)
1025                 g_object_unref (G_OBJECT(info->drafts));
1026         if (info->msg)
1027                 g_object_unref (G_OBJECT (info->msg));
1028         g_slice_free (SaveToDraftsAddMsgInfo, info);
1029
1030         modest_mail_operation_notify_end (info->mailop);
1031         g_object_unref(info->mailop);
1032 }
1033
1034 typedef struct
1035 {
1036         TnyTransportAccount *transport_account;
1037         TnyMsg *draft_msg;
1038         SaveToDraftstCallback callback;
1039         gpointer user_data;
1040 } SaveToDraftsInfo;
1041
1042 static void
1043 modest_mail_operation_save_to_drafts_cb (ModestMailOperation *self,
1044                                          TnyMsg *msg,
1045                                          gpointer userdata)
1046 {
1047         TnyFolder *drafts = NULL;
1048         ModestMailOperationPrivate *priv = NULL;
1049         SaveToDraftsInfo *info = (SaveToDraftsInfo *) userdata;
1050
1051         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1052
1053         if (!msg) {
1054                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1055                              MODEST_MAIL_OPERATION_ERROR_INSTANCE_CREATION_FAILED,
1056                              "modest: failed to create a new msg\n");
1057         } else {
1058                 drafts = modest_tny_account_get_special_folder (TNY_ACCOUNT (info->transport_account),
1059                                                                 TNY_FOLDER_TYPE_DRAFTS);
1060                 if (!drafts) {
1061                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1062                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
1063                                      "modest: failed to create a new msg\n");
1064                 }
1065         }
1066
1067         if (!priv->error) {
1068                 SaveToDraftsAddMsgInfo *cb_info = g_slice_new(SaveToDraftsAddMsgInfo);
1069                 cb_info->transport_account = g_object_ref(info->transport_account);
1070                 cb_info->draft_msg = info->draft_msg ? g_object_ref(info->draft_msg) : NULL;
1071                 cb_info->callback = info->callback;
1072                 cb_info->user_data = info->user_data;
1073                 cb_info->drafts = g_object_ref(drafts);
1074                 cb_info->msg = g_object_ref(msg);
1075                 cb_info->mailop = g_object_ref(self);
1076                 tny_folder_add_msg_async(drafts, msg, modest_mail_operation_save_to_drafts_add_msg_cb,
1077                                          NULL, cb_info);
1078         } else {
1079                 /* Call the user callback */
1080                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1081                 if (info->callback)
1082                         info->callback (self, msg, info->user_data);
1083                 modest_mail_operation_notify_end (self);
1084         }
1085
1086         if (drafts)
1087                 g_object_unref (G_OBJECT(drafts));
1088         if (info->draft_msg)
1089                 g_object_unref (G_OBJECT (info->draft_msg));
1090         if (info->transport_account)
1091                 g_object_unref (G_OBJECT(info->transport_account));
1092         g_slice_free (SaveToDraftsInfo, info);
1093 }
1094
1095 void
1096 modest_mail_operation_save_to_drafts (ModestMailOperation *self,
1097                                       TnyTransportAccount *transport_account,
1098                                       TnyMsg *draft_msg,
1099                                       const gchar *from,  const gchar *to,
1100                                       const gchar *cc,  const gchar *bcc,
1101                                       const gchar *subject, const gchar *plain_body,
1102                                       const gchar *html_body,
1103                                       const GList *attachments_list,
1104                                       const GList *images_list,
1105                                       TnyHeaderFlags priority_flags,
1106                                       SaveToDraftstCallback callback,
1107                                       gpointer user_data)
1108 {
1109         ModestMailOperationPrivate *priv = NULL;
1110         SaveToDraftsInfo *info = NULL;
1111
1112         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1113         g_return_if_fail (TNY_IS_TRANSPORT_ACCOUNT (transport_account));
1114
1115         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1116
1117         /* Get account and set it into mail_operation */
1118         priv->account = g_object_ref (transport_account);
1119         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
1120
1121         info = g_slice_new0 (SaveToDraftsInfo);
1122         info->transport_account = g_object_ref (transport_account);
1123         info->draft_msg = (draft_msg) ? g_object_ref (draft_msg) : NULL;
1124         info->callback = callback;
1125         info->user_data = user_data;
1126
1127         modest_mail_operation_notify_start (self);
1128         modest_mail_operation_create_msg (self, from, to, cc, bcc, subject, plain_body, html_body,
1129                                           attachments_list, images_list, priority_flags,
1130                                           modest_mail_operation_save_to_drafts_cb, info);
1131 }
1132
1133 typedef struct
1134 {
1135         ModestMailOperation *mail_op;
1136         TnyMimePart *mime_part;
1137         gssize size;
1138         GetMimePartSizeCallback callback;
1139         gpointer userdata;
1140 } GetMimePartSizeInfo;
1141
1142 /***** I N T E R N A L    F O L D E R    O B S E R V E R *****/
1143 /* We use this folder observer to track the headers that have been
1144  * added to a folder */
1145 typedef struct {
1146         GObject parent;
1147         TnyList *new_headers;
1148 } InternalFolderObserver;
1149
1150 typedef struct {
1151         GObjectClass parent;
1152 } InternalFolderObserverClass;
1153
1154 static void tny_folder_observer_init (TnyFolderObserverIface *idace);
1155
1156 G_DEFINE_TYPE_WITH_CODE (InternalFolderObserver,
1157                          internal_folder_observer,
1158                          G_TYPE_OBJECT,
1159                          G_IMPLEMENT_INTERFACE(TNY_TYPE_FOLDER_OBSERVER, tny_folder_observer_init));
1160
1161
1162 static void
1163 foreach_add_item (gpointer header, gpointer user_data)
1164 {
1165         tny_list_prepend (TNY_LIST (user_data),
1166                           g_object_ref (G_OBJECT (header)));
1167 }
1168
1169 /* This is the method that looks for new messages in a folder */
1170 static void
1171 internal_folder_observer_update (TnyFolderObserver *self, TnyFolderChange *change)
1172 {
1173         InternalFolderObserver *derived = (InternalFolderObserver *)self;
1174
1175         TnyFolderChangeChanged changed;
1176
1177         changed = tny_folder_change_get_changed (change);
1178
1179         if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
1180                 TnyList *list;
1181
1182                 /* Get added headers */
1183                 list = tny_simple_list_new ();
1184                 tny_folder_change_get_added_headers (change, list);
1185
1186                 /* Add them to the folder observer */
1187                 tny_list_foreach (list, foreach_add_item,
1188                                   derived->new_headers);
1189
1190                 g_object_unref (G_OBJECT (list));
1191         }
1192 }
1193
1194 static void
1195 internal_folder_observer_init (InternalFolderObserver *self)
1196 {
1197         self->new_headers = tny_simple_list_new ();
1198 }
1199 static void
1200 internal_folder_observer_finalize (GObject *object)
1201 {
1202         InternalFolderObserver *self;
1203
1204         self = (InternalFolderObserver *) object;
1205         g_object_unref (self->new_headers);
1206
1207         G_OBJECT_CLASS (internal_folder_observer_parent_class)->finalize (object);
1208 }
1209 static void
1210 tny_folder_observer_init (TnyFolderObserverIface *iface)
1211 {
1212         iface->update_func = internal_folder_observer_update;
1213 }
1214 static void
1215 internal_folder_observer_class_init (InternalFolderObserverClass *klass)
1216 {
1217         GObjectClass *object_class;
1218
1219         internal_folder_observer_parent_class = g_type_class_peek_parent (klass);
1220         object_class = (GObjectClass*) klass;
1221         object_class->finalize = internal_folder_observer_finalize;
1222 }
1223
1224 typedef struct
1225 {
1226         ModestMailOperation *mail_op;
1227         gchar *account_name;
1228         UpdateAccountCallback callback;
1229         gpointer user_data;
1230         TnyList *folders;
1231         gint pending_calls;
1232         gboolean poke_all;
1233         TnyFolderObserver *inbox_observer;
1234         RetrieveAllCallback retrieve_all_cb;
1235 } UpdateAccountInfo;
1236
1237
1238 static void
1239 destroy_update_account_info (UpdateAccountInfo *info)
1240 {
1241         g_free (info->account_name);
1242         g_object_unref (info->folders);
1243         g_object_unref (info->mail_op);
1244         g_slice_free (UpdateAccountInfo, info);
1245 }
1246
1247 static void
1248 update_account_get_msg_async_cb (TnyFolder *folder,
1249                                  gboolean canceled,
1250                                  TnyMsg *msg,
1251                                  GError *err,
1252                                  gpointer user_data)
1253 {
1254         GetMsgInfo *msg_info = (GetMsgInfo *) user_data;
1255
1256         /* Just delete the helper. Don't do anything with the new
1257            msg. There is also no need to check for errors */
1258         g_object_unref (msg_info->mail_op);
1259         g_object_unref (msg_info->header);
1260         g_slice_free (GetMsgInfo, msg_info);
1261 }
1262
1263
1264 static void
1265 inbox_refreshed_cb (TnyFolder *inbox,
1266                     gboolean canceled,
1267                     GError *err,
1268                     gpointer user_data)
1269 {
1270         UpdateAccountInfo *info;
1271         ModestMailOperationPrivate *priv;
1272         TnyIterator *new_headers_iter;
1273         GPtrArray *new_headers_array = NULL;
1274         gint max_size, retrieve_limit, i;
1275         ModestAccountMgr *mgr;
1276         ModestAccountRetrieveType retrieve_type;
1277         TnyList *new_headers = NULL;
1278         gboolean headers_only, ignore_limit;
1279         TnyTransportAccount *transport_account;
1280         ModestTnySendQueue *send_queue;
1281
1282         info = (UpdateAccountInfo *) user_data;
1283         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1284         mgr = modest_runtime_get_account_mgr ();
1285
1286         if (canceled || err || !inbox) {
1287                 /* Try to send anyway */
1288                 goto send_mail;
1289         }
1290
1291         /* Get the message max size */
1292         max_size  = modest_conf_get_int (modest_runtime_get_conf (),
1293                                          MODEST_CONF_MSG_SIZE_LIMIT, NULL);
1294         if (max_size == 0)
1295                 max_size = G_MAXINT;
1296         else
1297                 max_size = max_size * KB;
1298
1299         /* Create the new headers array. We need it to sort the
1300            new headers by date */
1301         new_headers_array = g_ptr_array_new ();
1302         new_headers_iter = tny_list_create_iterator (((InternalFolderObserver *) info->inbox_observer)->new_headers);
1303         while (!tny_iterator_is_done (new_headers_iter)) {
1304                 TnyHeader *header = NULL;
1305
1306                 header = TNY_HEADER (tny_iterator_get_current (new_headers_iter));
1307                 /* Apply per-message size limits */
1308                 if (tny_header_get_message_size (header) < max_size)
1309                         g_ptr_array_add (new_headers_array, g_object_ref (header));
1310
1311                 g_object_unref (header);
1312                 tny_iterator_next (new_headers_iter);
1313         }
1314         g_object_unref (new_headers_iter);
1315         tny_folder_remove_observer (inbox, info->inbox_observer);
1316         g_object_unref (info->inbox_observer);
1317         info->inbox_observer = NULL;
1318
1319         /* Update the last updated key, even if we don't have to get new headers */
1320         modest_account_mgr_set_last_updated (mgr, tny_account_get_id (priv->account), time (NULL));
1321
1322         if (new_headers_array->len == 0)
1323                 goto send_mail;
1324
1325         /* Get per-account message amount retrieval limit */
1326         retrieve_limit = modest_account_mgr_get_retrieve_limit (mgr, info->account_name);
1327         if (retrieve_limit == 0)
1328                 retrieve_limit = G_MAXINT;
1329
1330         /* Get per-account retrieval type */
1331         retrieve_type = modest_account_mgr_get_retrieve_type (mgr, info->account_name);
1332         headers_only = (retrieve_type == MODEST_ACCOUNT_RETRIEVE_HEADERS_ONLY);
1333
1334         /* Order by date */
1335         g_ptr_array_sort (new_headers_array, (GCompareFunc) compare_headers_by_date);
1336
1337         /* Ask the users if they want to retrieve all the messages
1338            even though the limit was exceeded */
1339         ignore_limit = FALSE;
1340         if (new_headers_array->len > retrieve_limit) {
1341                 /* Ask the user if a callback has been specified and
1342                    if the mail operation has a source (this means that
1343                    was invoked by the user and not automatically by a
1344                    D-Bus method) */
1345                 if (info->retrieve_all_cb && priv->source)
1346                         ignore_limit = info->retrieve_all_cb (priv->source,
1347                                                               new_headers_array->len,
1348                                                               retrieve_limit);
1349         }
1350
1351         if (!headers_only) {
1352                 gint msg_num = 0;
1353                 const gint msg_list_size = compute_message_array_size (new_headers_array);
1354
1355                 priv->done = 0;
1356                 if (ignore_limit)
1357                         priv->total = new_headers_array->len;
1358                 else
1359                         priv->total = MIN (new_headers_array->len, retrieve_limit);
1360                 while (msg_num < priv->total) {
1361                         TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, msg_num));
1362                         TnyFolder *folder = tny_header_get_folder (header);
1363                         GetMsgInfo *msg_info;
1364
1365                         /* Create the message info */
1366                         msg_info = g_slice_new0 (GetMsgInfo);
1367                         msg_info->mail_op = g_object_ref (info->mail_op);
1368                         msg_info->header = g_object_ref (header);
1369                         msg_info->total_bytes = msg_list_size;
1370
1371                         /* Get message in an async way */
1372                         tny_folder_get_msg_async (folder, header, update_account_get_msg_async_cb,
1373                                                   get_msg_status_cb, msg_info);
1374
1375                         g_object_unref (folder);
1376
1377                         msg_num++;
1378                 }
1379         }
1380
1381         /* Copy the headers to a list and free the array */
1382         new_headers = tny_simple_list_new ();
1383         for (i=0; i < new_headers_array->len; i++) {
1384                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (new_headers_array, i));
1385                 tny_list_append (new_headers, G_OBJECT (header));
1386         }
1387         g_ptr_array_foreach (new_headers_array, (GFunc) g_object_unref, NULL);
1388         g_ptr_array_free (new_headers_array, FALSE);
1389
1390  send_mail:
1391         /* Send mails */
1392         priv->done = 0;
1393         priv->total = 0;
1394
1395         /* Get the transport account */
1396         transport_account = (TnyTransportAccount *)
1397                 modest_tny_account_store_get_transport_account_for_open_connection (modest_runtime_get_account_store(),
1398                                                                                     info->account_name);
1399
1400         /* Try to send */
1401         send_queue = modest_runtime_get_send_queue (transport_account);
1402         modest_tny_send_queue_try_to_send (send_queue);
1403
1404         /* Check if the operation was a success */
1405         if (!priv->error)
1406                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1407
1408         /* Set the account back to not busy */
1409         modest_account_mgr_set_account_busy (mgr, info->account_name, FALSE);
1410
1411         /* Call the user callback */
1412         if (info->callback)
1413                 info->callback (info->mail_op, new_headers, info->user_data);
1414
1415         /* Notify about operation end */
1416         modest_mail_operation_notify_end (info->mail_op);
1417
1418         /* Frees */
1419         if (new_headers)
1420                 g_object_unref (new_headers);
1421         destroy_update_account_info (info);
1422 }
1423
1424 static void
1425 recurse_folders_async_cb (TnyFolderStore *folder_store,
1426                           gboolean canceled,
1427                           TnyList *list,
1428                           GError *err,
1429                           gpointer user_data)
1430 {
1431         UpdateAccountInfo *info;
1432         ModestMailOperationPrivate *priv;
1433
1434         info = (UpdateAccountInfo *) user_data;
1435         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1436
1437         if (err || canceled) {
1438                 /* Try to continue anyway */
1439         } else {
1440                 TnyIterator *iter = tny_list_create_iterator (list);
1441                 while (!tny_iterator_is_done (iter)) {
1442                         TnyFolderStore *folder = (TnyFolderStore*) tny_iterator_get_current (iter);
1443                         TnyList *folders = tny_simple_list_new ();
1444
1445                         /* Add to the list of all folders */
1446                         tny_list_append (info->folders, (GObject *) folder);
1447
1448                         /* Add pending call */
1449                         info->pending_calls++;
1450
1451                         tny_folder_store_get_folders_async (folder, folders, recurse_folders_async_cb,
1452                                                             NULL, NULL, info);
1453
1454                         g_object_unref (G_OBJECT (folder));
1455
1456                         tny_iterator_next (iter);
1457                 }
1458                 g_object_unref (G_OBJECT (iter));
1459                 g_object_unref (G_OBJECT (list));
1460         }
1461
1462         /* Remove my own pending call */
1463         info->pending_calls--;
1464
1465         /* This means that we have all the folders */
1466         if (info->pending_calls == 0) {
1467                 TnyIterator *iter_all_folders;
1468                 TnyFolder *inbox = NULL;
1469
1470                 iter_all_folders = tny_list_create_iterator (info->folders);
1471
1472                 /* Do a poke status over all folders */
1473                 while (!tny_iterator_is_done (iter_all_folders) &&
1474                        priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS) {
1475                         TnyFolder *folder = NULL;
1476
1477                         folder = TNY_FOLDER (tny_iterator_get_current (iter_all_folders));
1478
1479                         if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_INBOX) {
1480                                 /* Get a reference to the INBOX */
1481                                 inbox = g_object_ref (folder);
1482                         } else {
1483                                 /* Issue a poke status over the folder */
1484                                 if (info->poke_all)
1485                                         tny_folder_poke_status (folder);
1486                         }
1487
1488                         /* Free and go to next */
1489                         g_object_unref (folder);
1490                         tny_iterator_next (iter_all_folders);
1491                 }
1492                 g_object_unref (iter_all_folders);
1493
1494                 /* Refresh the INBOX */
1495                 if (inbox) {
1496                         /* Refresh the folder. Our observer receives
1497                          * the new emails during folder refreshes, so
1498                          * we can use observer->new_headers
1499                          */
1500                         info->inbox_observer = g_object_new (internal_folder_observer_get_type (), NULL);
1501                         tny_folder_add_observer (inbox, info->inbox_observer);
1502
1503                         /* Refresh the INBOX */
1504                         tny_folder_refresh_async (inbox, inbox_refreshed_cb, NULL, info);
1505                         g_object_unref (inbox);
1506                 } else {
1507                         /* We could not perform the inbox refresh but
1508                            we'll try to send mails anyway */
1509                         inbox_refreshed_cb (inbox, FALSE, NULL, info);
1510                 }
1511         }
1512 }
1513
1514 void
1515 modest_mail_operation_update_account (ModestMailOperation *self,
1516                                       const gchar *account_name,
1517                                       gboolean poke_all,
1518                                       RetrieveAllCallback retrieve_all_cb,
1519                                       UpdateAccountCallback callback,
1520                                       gpointer user_data)
1521 {
1522         UpdateAccountInfo *info = NULL;
1523         ModestMailOperationPrivate *priv = NULL;
1524         ModestTnyAccountStore *account_store = NULL;
1525         TnyStoreAccount *store_account = NULL;
1526         TnyList *folders;
1527
1528         /* Init mail operation */
1529         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1530         priv->total = 0;
1531         priv->done  = 0;
1532         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1533         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1534
1535         /* Get the store account */
1536         account_store = modest_runtime_get_account_store ();
1537         store_account = (TnyStoreAccount *)
1538                 modest_tny_account_store_get_server_account (account_store,
1539                                                              account_name,
1540                                                              TNY_ACCOUNT_TYPE_STORE);
1541         priv->account = g_object_ref (store_account);
1542
1543         /* Create the helper object */
1544         info = g_slice_new0 (UpdateAccountInfo);
1545         info->pending_calls = 1;
1546         info->folders = tny_simple_list_new ();
1547         info->mail_op = g_object_ref (self);
1548         info->poke_all = poke_all;
1549         info->account_name = g_strdup (account_name);
1550         info->callback = callback;
1551         info->user_data = user_data;
1552         info->retrieve_all_cb = retrieve_all_cb;
1553
1554         /* Set account busy */
1555         modest_account_mgr_set_account_busy (modest_runtime_get_account_mgr (), account_name, TRUE);
1556         modest_mail_operation_notify_start (self);
1557
1558         /* notify about the start of the operation */
1559         ModestMailOperationState *state;
1560         state = modest_mail_operation_clone_state (self);
1561         state->done = 0;
1562         state->total = 0;
1563
1564         /* Start notifying progress */
1565         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
1566                         0, state, NULL);
1567         g_slice_free (ModestMailOperationState, state);
1568
1569         /* Get all folders and continue in the callback */
1570         folders = tny_simple_list_new ();
1571         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (store_account),
1572                                             folders, NULL,
1573                                             recurse_folders_async_cb,
1574                                             NULL, info);
1575 }
1576
1577 /*
1578  * Used to notify the queue from the main
1579  * loop. We call it inside an idle call to achieve that
1580  */
1581 static gboolean
1582 idle_notify_queue (gpointer data)
1583 {
1584         ModestMailOperation *mail_op = MODEST_MAIL_OPERATION (data);
1585
1586         gdk_threads_enter ();
1587         modest_mail_operation_notify_end (mail_op);
1588         gdk_threads_leave ();
1589         g_object_unref (mail_op);
1590
1591         return FALSE;
1592 }
1593
1594 static int
1595 compare_headers_by_date (gconstpointer a,
1596                          gconstpointer b)
1597 {
1598         TnyHeader **header1, **header2;
1599         time_t sent1, sent2;
1600
1601         header1 = (TnyHeader **) a;
1602         header2 = (TnyHeader **) b;
1603
1604         sent1 = tny_header_get_date_sent (*header1);
1605         sent2 = tny_header_get_date_sent (*header2);
1606
1607         /* We want the most recent ones (greater time_t) at the
1608            beginning */
1609         if (sent1 < sent2)
1610                 return 1;
1611         else
1612                 return -1;
1613 }
1614
1615
1616 /* ******************************************************************* */
1617 /* ************************** STORE  ACTIONS ************************* */
1618 /* ******************************************************************* */
1619
1620 typedef struct {
1621         ModestMailOperation *mail_op;
1622         CreateFolderUserCallback callback;
1623         gpointer user_data;
1624 } CreateFolderInfo;
1625
1626
1627 static void
1628 create_folder_cb (TnyFolderStore *parent_folder,
1629                   gboolean canceled,
1630                   TnyFolder *new_folder,
1631                   GError *err,
1632                   gpointer user_data)
1633 {
1634         ModestMailOperationPrivate *priv;
1635         CreateFolderInfo *info;
1636
1637         info = (CreateFolderInfo *) user_data;
1638         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
1639
1640         if (canceled || err) {
1641                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1642                 if (err)
1643                         priv->error = g_error_copy (err);
1644                 else
1645                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1646                                      MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1647                                      "canceled");
1648         } else {
1649                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1650         }
1651
1652         /* The user will unref the new_folder */
1653         if (info->callback)
1654                 info->callback (info->mail_op, parent_folder,
1655                                 new_folder, info->user_data);
1656
1657         /* Notify about operation end */
1658         modest_mail_operation_notify_end (info->mail_op);
1659
1660         /* Frees */
1661         g_object_unref (info->mail_op);
1662         g_slice_free (CreateFolderInfo, info);
1663 }
1664
1665 void
1666 modest_mail_operation_create_folder (ModestMailOperation *self,
1667                                      TnyFolderStore *parent,
1668                                      const gchar *name,
1669                                      CreateFolderUserCallback callback,
1670                                      gpointer user_data)
1671 {
1672         ModestMailOperationPrivate *priv;
1673
1674         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1675         g_return_if_fail (name);
1676
1677         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1678         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
1679         priv->account = (TNY_IS_ACCOUNT (parent)) ?
1680                 g_object_ref (parent) :
1681                 modest_tny_folder_get_account (TNY_FOLDER (parent));
1682
1683         /* Check for already existing folder */
1684         if (modest_tny_folder_has_subfolder_with_name (parent, name, TRUE)) {
1685                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1686                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1687                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1688                              _CS("ckdg_ib_folder_already_exists"));
1689         }
1690
1691         /* Check parent */
1692         if (TNY_IS_FOLDER (parent)) {
1693                 /* Check folder rules */
1694                 ModestTnyFolderRules rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1695                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1696                         /* Set status failed and set an error */
1697                         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1698                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1699                                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1700                                      _("mail_in_ui_folder_create_error"));
1701                 }
1702         }
1703
1704         if (!strcmp (name, " ") || strchr (name, '/')) {
1705                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1706                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1707                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1708                              _("mail_in_ui_folder_create_error"));
1709         }
1710
1711         if (!priv->error) {
1712                 CreateFolderInfo *info;
1713
1714                 info = g_slice_new0 (CreateFolderInfo);
1715                 info->mail_op = g_object_ref (self);
1716                 info->callback = callback;
1717                 info->user_data = user_data;
1718
1719                 modest_mail_operation_notify_start (self);
1720
1721                 /* Create the folder */
1722                 tny_folder_store_create_folder_async (parent, name, create_folder_cb,
1723                                                       NULL, info);
1724         } else {
1725                 /* Call the user callback anyway */
1726                 if (callback)
1727                         callback (self, parent, NULL, user_data);
1728                 /* Notify about operation end */
1729                 modest_mail_operation_notify_end (self);
1730         }
1731 }
1732
1733 void
1734 modest_mail_operation_remove_folder (ModestMailOperation *self,
1735                                      TnyFolder           *folder,
1736                                      gboolean             remove_to_trash)
1737 {
1738         TnyAccount *account;
1739         ModestMailOperationPrivate *priv;
1740         ModestTnyFolderRules rules;
1741
1742         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1743         g_return_if_fail (TNY_IS_FOLDER (folder));
1744
1745         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1746
1747         /* Check folder rules */
1748         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1749         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_DELETABLE) {
1750                 /* Set status failed and set an error */
1751                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1752                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1753                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
1754                              _("mail_in_ui_folder_delete_error"));
1755                 goto end;
1756         }
1757
1758         /* Get the account */
1759         account = modest_tny_folder_get_account (folder);
1760         priv->account = g_object_ref(account);
1761         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
1762
1763         /* Delete folder or move to trash */
1764         if (remove_to_trash) {
1765                 TnyFolder *trash_folder = NULL;
1766                 trash_folder = modest_tny_account_get_special_folder (account,
1767                                                                       TNY_FOLDER_TYPE_TRASH);
1768                 /* TODO: error_handling */
1769                 if (trash_folder) {
1770                         modest_mail_operation_notify_start (self);
1771                         modest_mail_operation_xfer_folder (self, folder,
1772                                                     TNY_FOLDER_STORE (trash_folder),
1773                                                     TRUE, NULL, NULL);
1774                         g_object_unref (trash_folder);
1775                 }
1776         } else {
1777                 TnyFolderStore *parent = tny_folder_get_folder_store (folder);
1778                 if (parent) {
1779                         modest_mail_operation_notify_start (self);
1780                         tny_folder_store_remove_folder (parent, folder, &(priv->error));
1781                         CHECK_EXCEPTION (priv, MODEST_MAIL_OPERATION_STATUS_FAILED);
1782
1783                         if (!priv->error)
1784                                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1785
1786                         g_object_unref (parent);
1787                 } else
1788                         g_warning ("%s: could not get parent folder", __FUNCTION__);
1789         }
1790         g_object_unref (G_OBJECT (account));
1791
1792  end:
1793         /* Notify about operation end */
1794         modest_mail_operation_notify_end (self);
1795 }
1796
1797 static void
1798 transfer_folder_status_cb (GObject *obj,
1799                            TnyStatus *status,
1800                            gpointer user_data)
1801 {
1802         ModestMailOperation *self;
1803         ModestMailOperationPrivate *priv;
1804         ModestMailOperationState *state;
1805         XFerMsgAsyncHelper *helper;
1806
1807         g_return_if_fail (status != NULL);
1808         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_COPY_FOLDER);
1809
1810         helper = (XFerMsgAsyncHelper *) user_data;
1811         g_return_if_fail (helper != NULL);
1812
1813         self = helper->mail_op;
1814         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1815
1816         priv->done = status->position;
1817         priv->total = status->of_total;
1818
1819         state = modest_mail_operation_clone_state (self);
1820
1821         /* This is not a GDK lock because we are a Tinymail callback
1822          * which is already GDK locked by Tinymail */
1823
1824         /* no gdk_threads_enter (), CHECKED */
1825
1826         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
1827
1828         /* no gdk_threads_leave (), CHECKED */
1829
1830         g_slice_free (ModestMailOperationState, state);
1831 }
1832
1833
1834 static void
1835 transfer_folder_cb (TnyFolder *folder,
1836                     gboolean cancelled,
1837                     TnyFolderStore *into,
1838                     TnyFolder *new_folder,
1839                     GError *err,
1840                     gpointer user_data)
1841 {
1842         XFerMsgAsyncHelper *helper;
1843         ModestMailOperation *self = NULL;
1844         ModestMailOperationPrivate *priv = NULL;
1845
1846         helper = (XFerMsgAsyncHelper *) user_data;
1847         g_return_if_fail (helper != NULL);
1848
1849         self = helper->mail_op;
1850         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
1851
1852         if (err) {
1853                 priv->error = g_error_copy (err);
1854                 priv->done = 0;
1855                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1856         } else if (cancelled) {
1857                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
1858                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1859                              MODEST_MAIL_OPERATION_ERROR_OPERATION_CANCELED,
1860                              _("Transference of %s was cancelled."),
1861                              tny_folder_get_name (folder));
1862         } else {
1863                 priv->done = 1;
1864                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
1865         }
1866
1867         /* Notify about operation end */
1868         modest_mail_operation_notify_end (self);
1869
1870         /* If user defined callback function was defined, call it */
1871         if (helper->user_callback) {
1872
1873                 /* This is not a GDK lock because we are a Tinymail callback
1874                  * which is already GDK locked by Tinymail */
1875
1876                 /* no gdk_threads_enter (), CHECKED */
1877                 helper->user_callback (self, helper->user_data);
1878                 /* no gdk_threads_leave () , CHECKED */
1879         }
1880
1881         /* Free */
1882         g_object_unref (helper->mail_op);
1883         g_slice_free   (XFerMsgAsyncHelper, helper);
1884 }
1885
1886 /**
1887  *
1888  * This function checks if the new name is a valid name for our local
1889  * folders account. The new name could not be the same than then name
1890  * of any of the mandatory local folders
1891  *
1892  * We can not rely on tinymail because tinymail does not check the
1893  * name of the virtual folders that the account could have in the case
1894  * that we're doing a rename (because it directly calls Camel which
1895  * knows nothing about our virtual folders).
1896  *
1897  * In the case of an actual copy/move (i.e. move/copy a folder between
1898  * accounts) tinymail uses the tny_folder_store_create_account which
1899  * is reimplemented by our ModestTnyLocalFoldersAccount that indeed
1900  * checks the new name of the folder, so this call in that case
1901  * wouldn't be needed. *But* NOTE that if tinymail changes its
1902  * implementation (if folder transfers within the same account is no
1903  * longer implemented as a rename) this call will allow Modest to work
1904  * perfectly
1905  *
1906  * If the new name is not valid, this function will set the status to
1907  * failed and will set also an error in the mail operation
1908  */
1909 static gboolean
1910 new_name_valid_if_local_account (ModestMailOperationPrivate *priv,
1911                                  TnyFolderStore *into,
1912                                  const gchar *new_name)
1913 {
1914         if (TNY_IS_ACCOUNT (into) &&
1915             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (into)) &&
1916             modest_tny_local_folders_account_folder_name_in_use (MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (into),
1917                                                                  new_name)) {
1918                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
1919                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
1920                              MODEST_MAIL_OPERATION_ERROR_FOLDER_EXISTS,
1921                              _CS("ckdg_ib_folder_already_exists"));
1922                 return FALSE;
1923         } else
1924                 return TRUE;
1925 }
1926
1927 void
1928 modest_mail_operation_xfer_folder (ModestMailOperation *self,
1929                                    TnyFolder *folder,
1930                                    TnyFolderStore *parent,
1931                                    gboolean delete_original,
1932                                    XferAsyncUserCallback user_callback,
1933                                    gpointer user_data)
1934 {
1935         ModestMailOperationPrivate *priv = NULL;
1936         ModestTnyFolderRules parent_rules = 0, rules;
1937         XFerMsgAsyncHelper *helper = NULL;
1938         const gchar *folder_name = NULL;
1939         const gchar *error_msg;
1940
1941         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
1942         g_return_if_fail (TNY_IS_FOLDER (folder));
1943         g_return_if_fail (TNY_IS_FOLDER_STORE (parent));
1944
1945         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
1946         folder_name = tny_folder_get_name (folder);
1947
1948         /* Set the error msg */
1949         error_msg = _("mail_in_ui_folder_move_target_error");
1950
1951         /* Get account and set it into mail_operation */
1952         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
1953         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
1954         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
1955
1956         /* Get folder rules */
1957         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
1958         if (TNY_IS_FOLDER (parent))
1959                 parent_rules = modest_tny_folder_get_rules (TNY_FOLDER (parent));
1960
1961         /* Apply operation constraints */
1962         if ((gpointer) parent == (gpointer) folder ||
1963             (!TNY_IS_FOLDER_STORE (parent)) ||
1964             (rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE)) {
1965                 /* Folder rules */
1966                 goto error;
1967         } else if (TNY_IS_FOLDER (parent) &&
1968                    (parent_rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE)) {
1969                 /* Folder rules */
1970                 goto error;
1971
1972         } else if (TNY_IS_FOLDER (parent) &&
1973                    TNY_IS_FOLDER_STORE (folder) &&
1974                    modest_tny_folder_is_ancestor (TNY_FOLDER (parent),
1975                                                   TNY_FOLDER_STORE (folder))) {
1976                 /* Do not move a parent into a child */
1977                 goto error;
1978         } else if (TNY_IS_FOLDER_STORE (parent) &&
1979                    modest_tny_folder_has_subfolder_with_name (parent, folder_name, TRUE)) {
1980                 /* Check that the new folder name is not used by any
1981                    parent subfolder */
1982                 goto error;
1983         } else if (!(new_name_valid_if_local_account (priv, parent, folder_name))) {
1984                 /* Check that the new folder name is not used by any
1985                    special local folder */
1986                 goto error;
1987         } else {
1988                 /* Create the helper */
1989                 helper = g_slice_new0 (XFerMsgAsyncHelper);
1990                 helper->mail_op = g_object_ref (self);
1991                 helper->dest_folder = NULL;
1992                 helper->headers = NULL;
1993                 helper->user_callback = user_callback;
1994                 helper->user_data = user_data;
1995
1996                 /* Move/Copy folder */
1997                 modest_mail_operation_notify_start (self);
1998                 tny_folder_copy_async (folder,
1999                                        parent,
2000                                        tny_folder_get_name (folder),
2001                                        delete_original,
2002                                        transfer_folder_cb,
2003                                        transfer_folder_status_cb,
2004                                        helper);
2005                 return;
2006         }
2007
2008  error:
2009         /* Set status failed and set an error */
2010         priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2011         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2012                      MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2013                      error_msg);
2014
2015         /* Call the user callback if exists */
2016         if (user_callback)
2017                 user_callback (self, user_data);
2018
2019         /* Notify the queue */
2020         modest_mail_operation_notify_end (self);
2021 }
2022
2023 void
2024 modest_mail_operation_rename_folder (ModestMailOperation *self,
2025                                      TnyFolder *folder,
2026                                      const gchar *name)
2027 {
2028         ModestMailOperationPrivate *priv;
2029         ModestTnyFolderRules rules;
2030         XFerMsgAsyncHelper *helper;
2031
2032         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2033         g_return_if_fail (TNY_IS_FOLDER_STORE (folder));
2034         g_return_if_fail (name);
2035
2036         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2037
2038         /* Get account and set it into mail_operation */
2039         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2040         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
2041
2042         /* Check folder rules */
2043         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2044         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_RENAMEABLE) {
2045                 /* Set status failed and set an error */
2046                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2047                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2048                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2049                              _("FIXME: unable to rename"));
2050
2051                 /* Notify about operation end */
2052                 modest_mail_operation_notify_end (self);
2053         } else if (!strcmp (name, " ") || strchr (name, '/')) {
2054                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2055                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2056                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2057                              _("FIXME: unable to rename"));
2058                 /* Notify about operation end */
2059                 modest_mail_operation_notify_end (self);
2060         } else {
2061                 TnyFolderStore *into;
2062
2063                 into = tny_folder_get_folder_store (folder);
2064
2065                 /* Check that the new folder name is not used by any
2066                    special local folder */
2067                 if (new_name_valid_if_local_account (priv, into, name)) {
2068                         /* Create the helper */
2069                         helper = g_slice_new0 (XFerMsgAsyncHelper);
2070                         helper->mail_op = g_object_ref(self);
2071                         helper->dest_folder = NULL;
2072                         helper->headers = NULL;
2073                         helper->user_callback = NULL;
2074                         helper->user_data = NULL;
2075
2076                         /* Rename. Camel handles folder subscription/unsubscription */
2077                         modest_mail_operation_notify_start (self);
2078                         tny_folder_copy_async (folder, into, name, TRUE,
2079                                                transfer_folder_cb,
2080                                                transfer_folder_status_cb,
2081                                                helper);
2082                 } else {
2083                         modest_mail_operation_notify_end (self);
2084                 }
2085                 g_object_unref (into);
2086         }
2087 }
2088
2089 /* ******************************************************************* */
2090 /* **************************  MSG  ACTIONS  ************************* */
2091 /* ******************************************************************* */
2092
2093 void
2094 modest_mail_operation_get_msg (ModestMailOperation *self,
2095                                TnyHeader *header,
2096                                GetMsgAsyncUserCallback user_callback,
2097                                gpointer user_data)
2098 {
2099         GetMsgInfo *helper = NULL;
2100         TnyFolder *folder;
2101         ModestMailOperationPrivate *priv;
2102
2103         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2104         g_return_if_fail (TNY_IS_HEADER (header));
2105
2106         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2107         folder = tny_header_get_folder (header);
2108
2109         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2110         priv->total = 1;
2111         priv->done = 0;
2112
2113         /* Get account and set it into mail_operation */
2114         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2115
2116         /* Check for cached messages */
2117         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)
2118                 priv->op_type = MODEST_MAIL_OPERATION_TYPE_OPEN;
2119         else
2120                 priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2121
2122         /* Create the helper */
2123         helper = g_slice_new0 (GetMsgInfo);
2124         helper->header = g_object_ref (header);
2125         helper->mail_op = g_object_ref (self);
2126         helper->user_callback = user_callback;
2127         helper->user_data = user_data;
2128         helper->destroy_notify = NULL;
2129         helper->last_total_bytes = 0;
2130         helper->sum_total_bytes = 0;
2131         helper->total_bytes = tny_header_get_message_size (header);
2132
2133         modest_mail_operation_notify_start (self);
2134
2135         /* notify about the start of the operation */
2136         ModestMailOperationState *state;
2137         state = modest_mail_operation_clone_state (self);
2138         state->done = 0;
2139         state->total = 0;
2140         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
2141                                 0, state, NULL);
2142
2143         tny_folder_get_msg_async (folder, header, get_msg_async_cb, get_msg_status_cb, helper);
2144
2145         g_object_unref (G_OBJECT (folder));
2146 }
2147
2148 static void
2149 get_msg_status_cb (GObject *obj,
2150                    TnyStatus *status,
2151                    gpointer user_data)
2152 {
2153         GetMsgInfo *helper = NULL;
2154
2155         g_return_if_fail (status != NULL);
2156         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_GET_MSG);
2157
2158         helper = (GetMsgInfo *) user_data;
2159         g_return_if_fail (helper != NULL);
2160
2161         /* Notify progress */
2162         notify_progress_of_multiple_messages (helper->mail_op, status, &(helper->last_total_bytes),
2163                                               &(helper->sum_total_bytes), helper->total_bytes, FALSE);
2164 }
2165
2166 static void
2167 get_msg_async_cb (TnyFolder *folder,
2168                   gboolean canceled,
2169                   TnyMsg *msg,
2170                   GError *err,
2171                   gpointer user_data)
2172 {
2173         GetMsgInfo *info = NULL;
2174         ModestMailOperationPrivate *priv = NULL;
2175         gboolean finished;
2176
2177         info = (GetMsgInfo *) user_data;
2178
2179         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (info->mail_op);
2180         priv->done++;
2181         finished = (priv->done == priv->total) ? TRUE : FALSE;
2182
2183         /* Check errors */
2184         if (canceled || err) {
2185                 priv->status = MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS;
2186                 if (!priv->error)
2187                         g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2188                                      MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2189                                      err->message);
2190         } else {
2191                 /* Set the success status before calling the user callback */
2192                 if (finished && priv->status == MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS)
2193                         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2194         }
2195
2196
2197         /* Call the user callback */
2198         if (info->user_callback)
2199                 info->user_callback (info->mail_op, info->header, canceled,
2200                                      msg, err, info->user_data);
2201
2202         /* Notify about operation end if this is the last callback */
2203         if (finished) {
2204                 /* Free user data */
2205                 if (info->destroy_notify)
2206                         info->destroy_notify (info->user_data);
2207
2208                 /* Notify about operation end */
2209                 modest_mail_operation_notify_end (info->mail_op);
2210         }
2211
2212         /* Clean */
2213         g_object_unref (info->header);
2214         g_object_unref (info->mail_op);
2215         g_slice_free (GetMsgInfo, info);
2216 }
2217
2218 void
2219 modest_mail_operation_get_msgs_full (ModestMailOperation *self,
2220                                      TnyList *header_list,
2221                                      GetMsgAsyncUserCallback user_callback,
2222                                      gpointer user_data,
2223                                      GDestroyNotify notify)
2224 {
2225         ModestMailOperationPrivate *priv = NULL;
2226         gboolean size_ok = TRUE;
2227         gint max_size;
2228         TnyIterator *iter = NULL;
2229
2230         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2231
2232         /* Init mail operation */
2233         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2234         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2235         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2236         priv->done = 0;
2237         priv->total = tny_list_get_length(header_list);
2238
2239         /* Get account and set it into mail_operation */
2240         if (tny_list_get_length (header_list) >= 1) {
2241                 iter = tny_list_create_iterator (header_list);
2242                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2243                 if (header) {
2244                         TnyFolder *folder = tny_header_get_folder (header);
2245                         if (folder) {
2246                                 priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2247                                 g_object_unref (folder);
2248                         }
2249                         g_object_unref (header);
2250                 }
2251
2252                 if (tny_list_get_length (header_list) == 1) {
2253                         g_object_unref (iter);
2254                         iter = NULL;
2255                 }
2256         }
2257
2258         /* Get msg size limit */
2259         max_size  = modest_conf_get_int (modest_runtime_get_conf (),
2260                                          MODEST_CONF_MSG_SIZE_LIMIT,
2261                                          &(priv->error));
2262         if (priv->error) {
2263                 g_clear_error (&(priv->error));
2264                 max_size = G_MAXINT;
2265         } else {
2266                 max_size = max_size * KB;
2267         }
2268
2269         /* Check message size limits. If there is only one message
2270            always retrieve it */
2271         if (iter != NULL) {
2272                 while (!tny_iterator_is_done (iter) && size_ok) {
2273                         TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2274                         if (header) {
2275                                 if (tny_header_get_message_size (header) >= max_size)
2276                                         size_ok = FALSE;
2277                                 g_object_unref (header);
2278                         }
2279
2280                         tny_iterator_next (iter);
2281                 }
2282                 g_object_unref (iter);
2283         }
2284
2285         if (size_ok) {
2286                 const gint msg_list_size = compute_message_list_size (header_list);
2287
2288                 modest_mail_operation_notify_start (self);
2289                 iter = tny_list_create_iterator (header_list);
2290                 while (!tny_iterator_is_done (iter)) {
2291                         /* notify about the start of the operation */
2292                         ModestMailOperationState *state;
2293                         state = modest_mail_operation_clone_state (self);
2294                         state->done = 0;
2295                         state->total = 0;
2296                         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
2297                                         0, state, NULL);
2298
2299                         GetMsgInfo *msg_info = NULL;
2300                         TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2301                         TnyFolder *folder = tny_header_get_folder (header);
2302
2303                         /* Create the message info */
2304                         msg_info = g_slice_new0 (GetMsgInfo);
2305                         msg_info->mail_op = g_object_ref (self);
2306                         msg_info->header = g_object_ref (header);
2307                         msg_info->user_callback = user_callback;
2308                         msg_info->user_data = user_data;
2309                         msg_info->destroy_notify = notify;
2310                         msg_info->last_total_bytes = 0;
2311                         msg_info->sum_total_bytes = 0;
2312                         msg_info->total_bytes = msg_list_size;
2313
2314                         /* The callback will call it per each header */
2315                         tny_folder_get_msg_async (folder, header, get_msg_async_cb, get_msg_status_cb, msg_info);
2316
2317                         /* Free and go on */
2318                         g_object_unref (header);
2319                         g_object_unref (folder);
2320                         tny_iterator_next (iter);
2321                 }
2322                 g_object_unref (iter);
2323         } else {
2324                 /* Set status failed and set an error */
2325                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2326                 /* FIXME: the error msg is different for pop */
2327                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2328                              MODEST_MAIL_OPERATION_ERROR_MESSAGE_SIZE_LIMIT,
2329                              _("emev_ni_ui_imap_msg_size_exceed_error"));
2330                 /* Remove from queue and free resources */
2331                 modest_mail_operation_notify_end (self);
2332                 if (notify)
2333                         notify (user_data);
2334         }
2335 }
2336
2337
2338 void
2339 modest_mail_operation_remove_msg (ModestMailOperation *self,
2340                                   TnyHeader *header,
2341                                   gboolean remove_to_trash /*ignored*/)
2342 {
2343         TnyFolder *folder;
2344         ModestMailOperationPrivate *priv;
2345
2346         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2347         g_return_if_fail (TNY_IS_HEADER (header));
2348
2349         if (remove_to_trash)
2350                 g_warning ("remove to trash is not implemented");
2351
2352         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2353         folder = tny_header_get_folder (header);
2354
2355         /* Get account and set it into mail_operation */
2356         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2357         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
2358         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2359
2360         /* remove message from folder */
2361         tny_folder_remove_msg (folder, header, &(priv->error));
2362         if (!priv->error) {
2363                 gboolean expunge, leave_on_server;
2364                 const gchar *account_name;
2365                 TnyAccount *account;
2366                 ModestTransportStoreProtocol account_proto;
2367
2368                 tny_header_set_flag (header, TNY_HEADER_FLAG_DELETED);
2369                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
2370
2371                 modest_mail_operation_notify_start (self);
2372
2373                 /* Get leave on server setting */
2374                 account = tny_folder_get_account (folder);
2375                 account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2376                 leave_on_server =
2377                         modest_account_mgr_get_leave_on_server (modest_runtime_get_account_mgr (),
2378                                                                 account_name);
2379
2380                 account_proto = modest_protocol_info_get_transport_store_protocol (tny_account_get_proto (account));
2381
2382                 if (((account_proto == MODEST_PROTOCOL_STORE_POP) && !leave_on_server) ||
2383                     modest_tny_folder_is_remote_folder (folder) == FALSE)
2384                         expunge = TRUE;
2385                 else
2386                         expunge = FALSE;
2387
2388                 /* Sync folder */
2389                 tny_folder_sync_async(folder, expunge, NULL, NULL, NULL);
2390
2391                 /* Unref */
2392                 g_object_unref (account);
2393         }
2394
2395
2396         /* Set status */
2397         if (!priv->error)
2398                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2399         else
2400                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2401
2402         /* Free */
2403         g_object_unref (G_OBJECT (folder));
2404
2405         /* Notify about operation end */
2406         modest_mail_operation_notify_end (self);
2407 }
2408
2409 void
2410 modest_mail_operation_remove_msgs (ModestMailOperation *self,
2411                                    TnyList *headers,
2412                                   gboolean remove_to_trash /*ignored*/)
2413 {
2414         TnyFolder *folder;
2415         ModestMailOperationPrivate *priv;
2416         TnyIterator *iter = NULL;
2417         TnyHeader *header = NULL;
2418         TnyList *remove_headers = NULL;
2419         TnyFolderType folder_type = TNY_FOLDER_TYPE_UNKNOWN;
2420
2421         g_return_if_fail (MODEST_IS_MAIL_OPERATION (self));
2422         g_return_if_fail (TNY_IS_LIST (headers));
2423
2424         if (remove_to_trash)
2425                 g_warning ("remove to trash is not implemented");
2426
2427         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2428
2429         remove_headers = g_object_ref(headers);
2430
2431         /* Get folder from first header and sync it */
2432         iter = tny_list_create_iterator (headers);
2433         header = TNY_HEADER (tny_iterator_get_current (iter));
2434         folder = tny_header_get_folder (header);
2435
2436         /* Don't remove messages that are being sent */
2437         if (modest_tny_folder_is_local_folder (folder)) {
2438                 folder_type = modest_tny_folder_get_local_or_mmc_folder_type (folder);
2439         }
2440         if (folder_type == TNY_FOLDER_TYPE_OUTBOX) {
2441                 TnyTransportAccount *traccount = NULL;
2442                 ModestTnyAccountStore *accstore = modest_runtime_get_account_store();
2443                 traccount = modest_tny_account_store_get_transport_account_from_outbox_header(accstore, header);
2444                 if (traccount) {
2445                         ModestTnySendQueueStatus status;
2446                         ModestTnySendQueue *send_queue = modest_runtime_get_send_queue(traccount);
2447                         TnyIterator *iter = tny_list_create_iterator(headers);
2448                         g_object_unref(remove_headers);
2449                         remove_headers = TNY_LIST(tny_simple_list_new());
2450                         while (!tny_iterator_is_done(iter)) {
2451                                 char *msg_id;
2452                                 TnyHeader *hdr = TNY_HEADER(tny_iterator_get_current(iter));
2453                                 msg_id = modest_tny_send_queue_get_msg_id (hdr);
2454                                 status = modest_tny_send_queue_get_msg_status(send_queue, msg_id);
2455                                 if (status != MODEST_TNY_SEND_QUEUE_SENDING) {
2456                                         tny_list_append(remove_headers, G_OBJECT(hdr));
2457                                 }
2458                                 g_object_unref(hdr);
2459                                 g_free(msg_id);
2460                                 tny_iterator_next(iter);
2461                         }
2462                         g_object_unref(iter);
2463                         g_object_unref(traccount);
2464                 }
2465         }
2466
2467         /* Get account and set it into mail_operation */
2468         priv->account = modest_tny_folder_get_account (TNY_FOLDER(folder));
2469         priv->op_type = MODEST_MAIL_OPERATION_TYPE_DELETE;
2470         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2471
2472         /* remove message from folder */
2473         modest_mail_operation_notify_start (self);
2474
2475         tny_folder_remove_msgs (folder, remove_headers, &(priv->error));
2476         if (!priv->error) {
2477                 gboolean expunge, leave_on_server;
2478                 const gchar *account_name;
2479                 TnyAccount *account;
2480                 ModestTransportStoreProtocol account_proto;
2481
2482                 account = tny_folder_get_account (folder);
2483                 account_name = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2484                 leave_on_server =
2485                         modest_account_mgr_get_leave_on_server (modest_runtime_get_account_mgr (),
2486                                         account_name);
2487
2488                 account_proto = modest_protocol_info_get_transport_store_protocol (tny_account_get_proto (account));
2489
2490                 if (((account_proto == MODEST_PROTOCOL_STORE_POP) && !leave_on_server) ||
2491                     modest_tny_folder_is_remote_folder (folder) == FALSE)
2492                         expunge = TRUE;
2493                 else
2494                         expunge = FALSE;
2495
2496                 /* Sync folder */
2497                 tny_folder_sync_async(folder, expunge, NULL, NULL, NULL);
2498
2499                 g_object_unref (account);
2500         }
2501
2502
2503         /* Set status */
2504         if (!priv->error)
2505                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2506         else
2507                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2508
2509         /* Free */
2510         g_object_unref (remove_headers);
2511         g_object_unref (header);
2512         g_object_unref (iter);
2513         g_object_unref (G_OBJECT (folder));
2514
2515         /* Notify about operation end */
2516         modest_mail_operation_notify_end (self);
2517 }
2518
2519 static void
2520 notify_progress_of_multiple_messages (ModestMailOperation *self,
2521                                       TnyStatus *status,
2522                                       gint *last_total_bytes,
2523                                       gint *sum_total_bytes,
2524                                       gint total_bytes,
2525                                       gboolean increment_done)
2526 {
2527         ModestMailOperationPrivate *priv;
2528         ModestMailOperationState *state;
2529         gboolean is_num_bytes;
2530
2531         priv =  MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2532
2533         /* We know that tinymail sends us information about
2534            transferred bytes with this particular message */
2535         is_num_bytes = (g_ascii_strcasecmp (status->message, "Retrieving message") == 0);
2536
2537         state = modest_mail_operation_clone_state (self);
2538         if (is_num_bytes && !((status->position == 1) && (status->of_total == 100))) {
2539                 /* We know that we're in a different message when the
2540                    total number of bytes to transfer is different. Of
2541                    course it could fail if we're transferring messages
2542                    of the same size, but this is a workarround */
2543                 if (status->of_total != *last_total_bytes) {
2544                         /* We need to increment the done when there is
2545                            no information about each individual
2546                            message, we need to do this in message
2547                            transfers, and we don't do it for getting
2548                            messages */
2549                         if (increment_done)
2550                                 priv->done++;
2551                         *sum_total_bytes += *last_total_bytes;
2552                         *last_total_bytes = status->of_total;
2553                 }
2554                 state->bytes_done += status->position + *sum_total_bytes;
2555                 state->bytes_total = total_bytes;
2556
2557                 /* Notify the status change. Only notify about changes
2558                    referred to bytes */
2559                 g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
2560                                0, state, NULL);
2561         }
2562
2563         g_slice_free (ModestMailOperationState, state);
2564 }
2565
2566 static void
2567 transfer_msgs_status_cb (GObject *obj,
2568                          TnyStatus *status,
2569                          gpointer user_data)
2570 {
2571         XFerMsgAsyncHelper *helper;
2572
2573         g_return_if_fail (status != NULL);
2574         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_XFER_MSGS);
2575
2576         helper = (XFerMsgAsyncHelper *) user_data;
2577         g_return_if_fail (helper != NULL);
2578
2579         /* Notify progress */
2580         notify_progress_of_multiple_messages (helper->mail_op, status, &(helper->last_total_bytes),
2581                                               &(helper->sum_total_bytes), helper->total_bytes, TRUE);
2582 }
2583
2584
2585 static void
2586 transfer_msgs_cb (TnyFolder *folder, gboolean cancelled, GError *err, gpointer user_data)
2587 {
2588         XFerMsgAsyncHelper *helper;
2589         ModestMailOperation *self;
2590         ModestMailOperationPrivate *priv;
2591         TnyIterator *iter = NULL;
2592         TnyHeader *header = NULL;
2593
2594         helper = (XFerMsgAsyncHelper *) user_data;
2595         self = helper->mail_op;
2596
2597         priv = MODEST_MAIL_OPERATION_GET_PRIVATE (self);
2598
2599         if (err) {
2600                 priv->error = g_error_copy (err);
2601                 priv->done = 0;
2602                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2603         } else if (cancelled) {
2604                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2605                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2606                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2607                              _("Error trying to refresh the contents of %s"),
2608                              tny_folder_get_name (folder));
2609         } else {
2610                 priv->done = 1;
2611                 priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2612
2613                 /* Update folder counts */
2614                 tny_folder_poke_status (folder);
2615                 tny_folder_poke_status (helper->dest_folder);
2616         }
2617
2618
2619         /* Mark headers as deleted and seen */
2620         if ((helper->delete) &&
2621             (priv->status == MODEST_MAIL_OPERATION_STATUS_SUCCESS)) {
2622                 iter = tny_list_create_iterator (helper->headers);
2623                 while (!tny_iterator_is_done (iter)) {
2624                         header = TNY_HEADER (tny_iterator_get_current (iter));
2625                         tny_header_set_flag (header, TNY_HEADER_FLAG_DELETED);
2626                         tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
2627                         g_object_unref (header);
2628
2629                         tny_iterator_next (iter);
2630                 }
2631
2632         }
2633
2634
2635         /* Notify about operation end */
2636         modest_mail_operation_notify_end (self);
2637
2638         /* If user defined callback function was defined, call it */
2639         if (helper->user_callback) {
2640                 /* This is not a GDK lock because we are a Tinymail callback and
2641                  * Tinymail already acquires the Gdk lock */
2642
2643                 /* no gdk_threads_enter (), CHECKED */
2644                 helper->user_callback (self, helper->user_data);
2645                 /* no gdk_threads_leave (), CHECKED */
2646         }
2647
2648         /* Free */
2649         if (helper->headers)
2650                 g_object_unref (helper->headers);
2651         if (helper->dest_folder)
2652                 g_object_unref (helper->dest_folder);
2653         if (helper->mail_op)
2654                 g_object_unref (helper->mail_op);
2655         if (folder)
2656                 g_object_unref (folder);
2657         if (iter)
2658                 g_object_unref (iter);
2659         g_slice_free (XFerMsgAsyncHelper, helper);
2660 }
2661
2662 static guint
2663 compute_message_list_size (TnyList *headers)
2664 {
2665         TnyIterator *iter;
2666         guint size = 0;
2667
2668         iter = tny_list_create_iterator (headers);
2669         while (!tny_iterator_is_done (iter)) {
2670                 TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
2671                 size += tny_header_get_message_size (header);
2672                 g_object_unref (header);
2673                 tny_iterator_next (iter);
2674         }
2675         g_object_unref (iter);
2676
2677         return size;
2678 }
2679
2680 static guint
2681 compute_message_array_size (GPtrArray *headers)
2682 {
2683         guint size = 0;
2684         gint i;
2685
2686         for (i = 0; i < headers->len; i++) {
2687                 TnyHeader *header = TNY_HEADER (g_ptr_array_index (headers, i));
2688                 size += tny_header_get_message_size (header);
2689         }
2690
2691         return size;
2692 }
2693
2694
2695 void
2696 modest_mail_operation_xfer_msgs (ModestMailOperation *self,
2697                                  TnyList *headers,
2698                                  TnyFolder *folder,
2699                                  gboolean delete_original,
2700                                  XferAsyncUserCallback user_callback,
2701                                  gpointer user_data)
2702 {
2703         ModestMailOperationPrivate *priv = NULL;
2704         TnyIterator *iter = NULL;
2705         TnyFolder *src_folder = NULL;
2706         XFerMsgAsyncHelper *helper = NULL;
2707         TnyHeader *header = NULL;
2708         ModestTnyFolderRules rules = 0;
2709
2710         g_return_if_fail (self && MODEST_IS_MAIL_OPERATION (self));
2711         g_return_if_fail (headers && TNY_IS_LIST (headers));
2712         g_return_if_fail (folder && TNY_IS_FOLDER (folder));
2713
2714         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2715         priv->total = tny_list_get_length (headers);
2716         priv->done = 0;
2717         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2718         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2719
2720         /* Apply folder rules */
2721         rules = modest_tny_folder_get_rules (TNY_FOLDER (folder));
2722         if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2723                 /* Set status failed and set an error */
2724                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2725                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2726                              MODEST_MAIL_OPERATION_ERROR_FOLDER_RULES,
2727                              _CS("ckct_ib_unable_to_paste_here"));
2728                 /* Notify the queue */
2729                 modest_mail_operation_notify_end (self);
2730                 return;
2731         }
2732
2733         /* Get source folder */
2734         iter = tny_list_create_iterator (headers);
2735         header = TNY_HEADER (tny_iterator_get_current (iter));
2736         if (header) {
2737                 src_folder = tny_header_get_folder (header);
2738                 g_object_unref (header);
2739         }
2740         g_object_unref (iter);
2741
2742         if (src_folder == NULL) {
2743                 /* Notify the queue */
2744                 modest_mail_operation_notify_end (self);
2745
2746                 g_warning ("%s: cannot find folder from header", __FUNCTION__);
2747                 return;
2748         }
2749
2750
2751         /* Check folder source and destination */
2752         if (src_folder == folder) {
2753                 /* Set status failed and set an error */
2754                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2755                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2756                              MODEST_MAIL_OPERATION_ERROR_BAD_PARAMETER,
2757                              _("mail_in_ui_folder_copy_target_error"));
2758
2759                 /* Notify the queue */
2760                 modest_mail_operation_notify_end (self);
2761
2762                 /* Free */
2763                 g_object_unref (src_folder);
2764                 return;
2765         }
2766
2767         /* Create the helper */
2768         helper = g_slice_new0 (XFerMsgAsyncHelper);
2769         helper->mail_op = g_object_ref(self);
2770         helper->dest_folder = g_object_ref(folder);
2771         helper->headers = g_object_ref(headers);
2772         helper->user_callback = user_callback;
2773         helper->user_data = user_data;
2774         helper->delete = delete_original;
2775         helper->last_total_bytes = 0;
2776         helper->sum_total_bytes = 0;
2777         helper->total_bytes = compute_message_list_size (headers);
2778
2779         /* Get account and set it into mail_operation */
2780         priv->account = modest_tny_folder_get_account (src_folder);
2781
2782         /* Transfer messages */
2783         modest_mail_operation_notify_start (self);
2784         tny_folder_transfer_msgs_async (src_folder,
2785                                         headers,
2786                                         folder,
2787                                         delete_original,
2788                                         transfer_msgs_cb,
2789                                         transfer_msgs_status_cb,
2790                                         helper);
2791 }
2792
2793
2794 static void
2795 on_refresh_folder (TnyFolder   *folder,
2796                    gboolean     cancelled,
2797                    GError     *error,
2798                    gpointer     user_data)
2799 {
2800         RefreshAsyncHelper *helper = NULL;
2801         ModestMailOperation *self = NULL;
2802         ModestMailOperationPrivate *priv = NULL;
2803
2804         helper = (RefreshAsyncHelper *) user_data;
2805         self = helper->mail_op;
2806         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2807
2808         g_return_if_fail(priv!=NULL);
2809
2810         if (error) {
2811                 priv->error = g_error_copy (error);
2812                 priv->status = MODEST_MAIL_OPERATION_STATUS_FAILED;
2813                 goto out;
2814         }
2815
2816         if (cancelled) {
2817                 priv->status = MODEST_MAIL_OPERATION_STATUS_CANCELED;
2818                 g_set_error (&(priv->error), MODEST_MAIL_OPERATION_ERROR,
2819                              MODEST_MAIL_OPERATION_ERROR_ITEM_NOT_FOUND,
2820                              _("Error trying to refresh the contents of %s"),
2821                              tny_folder_get_name (folder));
2822                 goto out;
2823         }
2824
2825         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2826  out:
2827
2828         /* Call user defined callback, if it exists */
2829         if (helper->user_callback) {
2830
2831                 /* This is not a GDK lock because we are a Tinymail callback and
2832                  * Tinymail already acquires the Gdk lock */
2833                 helper->user_callback (self, folder, helper->user_data);
2834         }
2835
2836         /* Free */
2837         g_slice_free (RefreshAsyncHelper, helper);
2838
2839         /* Notify about operation end */
2840         modest_mail_operation_notify_end (self);
2841         g_object_unref(self);
2842 }
2843
2844 static void
2845 on_refresh_folder_status_update (GObject *obj,
2846                                  TnyStatus *status,
2847                                  gpointer user_data)
2848 {
2849         RefreshAsyncHelper *helper = NULL;
2850         ModestMailOperation *self = NULL;
2851         ModestMailOperationPrivate *priv = NULL;
2852         ModestMailOperationState *state;
2853
2854         g_return_if_fail (user_data != NULL);
2855         g_return_if_fail (status != NULL);
2856         g_return_if_fail (status->code == TNY_FOLDER_STATUS_CODE_REFRESH);
2857
2858         helper = (RefreshAsyncHelper *) user_data;
2859         self = helper->mail_op;
2860         g_return_if_fail (MODEST_IS_MAIL_OPERATION(self));
2861
2862         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2863
2864         priv->done = status->position;
2865         priv->total = status->of_total;
2866
2867         state = modest_mail_operation_clone_state (self);
2868
2869         /* This is not a GDK lock because we are a Tinymail callback and
2870          * Tinymail already acquires the Gdk lock */
2871         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL], 0, state, NULL);
2872
2873         g_slice_free (ModestMailOperationState, state);
2874 }
2875
2876 void
2877 modest_mail_operation_refresh_folder  (ModestMailOperation *self,
2878                                        TnyFolder *folder,
2879                                        RefreshAsyncUserCallback user_callback,
2880                                        gpointer user_data)
2881 {
2882         ModestMailOperationPrivate *priv = NULL;
2883         RefreshAsyncHelper *helper = NULL;
2884
2885         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2886
2887         priv->status = MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS;
2888
2889         /* Get account and set it into mail_operation */
2890         priv->account = modest_tny_folder_get_account  (folder);
2891         priv->op_type = MODEST_MAIL_OPERATION_TYPE_RECEIVE;
2892
2893         /* Create the helper */
2894         helper = g_slice_new0 (RefreshAsyncHelper);
2895         helper->mail_op = g_object_ref(self);
2896         helper->user_callback = user_callback;
2897         helper->user_data = user_data;
2898
2899         /* Refresh the folder. TODO: tinymail could issue a status
2900            updates before the callback call then this could happen. We
2901            must review the design */
2902         modest_mail_operation_notify_start (self);
2903
2904         /* notify that the operation was started */
2905         ModestMailOperationState *state;
2906         state = modest_mail_operation_clone_state (self);
2907         state->done = 0;
2908         state->total = 0;
2909         g_signal_emit (G_OBJECT (self), signals[PROGRESS_CHANGED_SIGNAL],
2910                         0, state, NULL);
2911
2912         tny_folder_refresh_async (folder,
2913                                   on_refresh_folder,
2914                                   on_refresh_folder_status_update,
2915                                   helper);
2916 }
2917
2918
2919 static void
2920 modest_mail_operation_notify_start (ModestMailOperation *self)
2921 {
2922         ModestMailOperationPrivate *priv = NULL;
2923
2924         g_return_if_fail (self);
2925
2926         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2927
2928         /* Ensure that all the fields are filled correctly */
2929         g_return_if_fail (priv->op_type != MODEST_MAIL_OPERATION_TYPE_UNKNOWN);
2930
2931         /* Notify the observers about the mail operation. We do not
2932            wrapp this emission because we assume that this function is
2933            always called from within the main lock */
2934         g_signal_emit (G_OBJECT (self), signals[OPERATION_STARTED_SIGNAL], 0, NULL);
2935 }
2936
2937 /**
2938  *
2939  * It's used by the mail operation queue to notify the observers
2940  * attached to that signal that the operation finished. We need to use
2941  * that because tinymail does not give us the progress of a given
2942  * operation when it finishes (it directly calls the operation
2943  * callback).
2944  */
2945 static void
2946 modest_mail_operation_notify_end (ModestMailOperation *self)
2947 {
2948         ModestMailOperationPrivate *priv = NULL;
2949
2950         g_return_if_fail (self);
2951
2952         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2953
2954         /* Notify the observers about the mail operation end. We do
2955            not wrapp this emission because we assume that this
2956            function is always called from within the main lock */
2957         g_signal_emit (G_OBJECT (self), signals[OPERATION_FINISHED_SIGNAL], 0, NULL);
2958
2959         /* Remove the error user data */
2960         if (priv->error_checking_user_data && priv->error_checking_user_data_destroyer)
2961                 priv->error_checking_user_data_destroyer (priv->error_checking_user_data);
2962 }
2963
2964 TnyAccount *
2965 modest_mail_operation_get_account (ModestMailOperation *self)
2966 {
2967         ModestMailOperationPrivate *priv = NULL;
2968
2969         g_return_val_if_fail (self, NULL);
2970
2971         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2972
2973         return (priv->account) ? g_object_ref (priv->account) : NULL;
2974 }
2975
2976 void
2977 modest_mail_operation_noop (ModestMailOperation *self)
2978 {
2979         ModestMailOperationPrivate *priv = NULL;
2980
2981         g_return_if_fail (self);
2982
2983         priv = MODEST_MAIL_OPERATION_GET_PRIVATE(self);
2984         priv->status = MODEST_MAIL_OPERATION_STATUS_SUCCESS;
2985         priv->op_type = MODEST_MAIL_OPERATION_TYPE_INFO;
2986         priv->done = 0;
2987         priv->total = 0;
2988
2989         /* This mail operation does nothing actually */
2990         modest_mail_operation_notify_start (self);
2991         modest_mail_operation_notify_end (self);
2992 }