git.maemo.org Git - modest/blob - src/widgets/modest-attachments-view.c

   1 /* Copyright (c) 2007, 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 <config.h>
  31
  32 #include <string.h>
  33 #include <gtk/gtk.h>
  34 #include <gdk/gdkkeysyms.h>
  35 #include <tny-list.h>
  36 #include <tny-simple-list.h>
  37
  38 #include <modest-platform.h>
  39 #include <modest-runtime.h>
  40 #include <modest-attachment-view.h>
  41 #include <modest-attachments-view.h>
  42 #include <modest-tny-mime-part.h>
  43
  44 static GObjectClass *parent_class = NULL;
  45
  46 /* signals */
  47 enum {
  48         ACTIVATE_SIGNAL,
  49         DELETE_SIGNAL,
  50         LAST_SIGNAL
  51 };
  52
  53 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  54
  55 struct _ModestAttachmentsViewPrivate
  56 {
  57         TnyMsg *msg;
  58         GtkWidget *box;
  59         GList *selected;
  60         GtkWidget *rubber_start;
  61 };
  62
  63 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  64         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  65
  66 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  67 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  68 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  69 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  70 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  71 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  72 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  73                                           gdouble x, gdouble y);
  74 static void unselect_all (ModestAttachmentsView *atts_view);
  75 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  76 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  77 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  78                            guint info, gpointer userdata);
  79 static void own_clipboard (ModestAttachmentsView *atts_view);
  80
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 /**
  84  * modest_attachments_view_new:
  85  * @msg: a #TnyMsg
  86  *
  87  * Constructor for attachments view widget.
  88  *
  89  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  90  **/
  91 GtkWidget*
  92 modest_attachments_view_new (TnyMsg *msg)
  93 {
  94         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  95                                                     "resize-mode", GTK_RESIZE_PARENT,
  96                                                     NULL);
  97
  98         modest_attachments_view_set_message (self, msg);
  99
 100         return GTK_WIDGET (self);
 101 }
 102
 103
 104 void
 105 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 106 {
 107         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 108         TnyList *parts;
 109         TnyIterator *iter;
 110         gchar *msg_content_type = NULL;
 111
 112         if (msg == priv->msg) return;
 113
 114         if (priv->msg)
 115                 g_object_unref (priv->msg);
 116         if (msg)
 117                 g_object_ref (G_OBJECT(msg));
 118
 119         priv->msg = msg;
 120
 121         g_list_free (priv->selected);
 122         priv->selected = NULL;
 123
 124         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 125
 126         if (priv->msg == NULL) {
 127                 return;
 128         }
 129
 130         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 131          * embedded images in body */
 132         msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 133         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 134                 gchar *header_content_type;
 135                 gboolean application_multipart = FALSE;
 136
 137                 g_free (msg_content_type);
 138
 139                 header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (priv->msg));
 140
 141                 if ((header_content_type != NULL) &&
 142                     !strstr (header_content_type, "application/")) {
 143                         application_multipart = TRUE;
 144                 }
 145                 g_free (header_content_type);
 146
 147                 if (application_multipart) {
 148                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 149                         return;
 150                 }
 151         } else {
 152                 gboolean direct_attach;
 153
 154                 direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
 155                                  !g_str_has_prefix (msg_content_type, "multipart") &&
 156                                  !g_str_has_prefix (msg_content_type, "text/"));
 157
 158                 g_free (msg_content_type);
 159
 160                 if (direct_attach) {
 161                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (msg), TRUE, 0);
 162                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 163                         return;
 164                 }
 165         }
 166
 167         parts = TNY_LIST (tny_simple_list_new ());
 168         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 169         iter = tny_list_create_iterator (parts);
 170
 171         while (!tny_iterator_is_done (iter)) {
 172                 TnyMimePart *part;
 173
 174                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 175
 176                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 177                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 178
 179                 if (part)
 180                         g_object_unref (part);
 181
 182                 tny_iterator_next (iter);
 183         }
 184         g_object_unref (iter);
 185         g_object_unref (parts);
 186
 187
 188         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 189
 190 }
 191
 192 void
 193 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 194                                         gboolean detect_size, guint64 size)
 195 {
 196         GtkWidget *att_view = NULL;
 197         ModestAttachmentsViewPrivate *priv = NULL;
 198
 199         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 200         g_return_if_fail (TNY_IS_MIME_PART (part));
 201
 202         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 203
 204         att_view = modest_attachment_view_new (part, detect_size);
 205         if (!detect_size)
 206                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 207         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 208         gtk_widget_show_all (att_view);
 209 }
 210
 211 void
 212 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 213 {
 214         ModestAttachmentsViewPrivate *priv = NULL;
 215         GList *box_children = NULL, *node = NULL;
 216         ModestAttachmentView *found_att_view = NULL;
 217
 218         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 219         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 220
 221         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 222         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 223
 224         for (node = box_children; node != NULL; node = g_list_next (node)) {
 225                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 226                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 227
 228                 if (mime_part == cur_mime_part)
 229                         found_att_view = att_view;
 230
 231                 g_object_unref (cur_mime_part);
 232
 233                 if (found_att_view != NULL)
 234                         break;
 235         }
 236
 237         if (found_att_view) {
 238                 GList *node = NULL;
 239                 GtkWidget *next_widget = NULL;
 240                 GList *box_children = NULL;
 241
 242                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 243                 node = g_list_find (box_children, found_att_view);
 244                 if (node->next)
 245                         next_widget = node->next->data;
 246
 247                 g_list_free (box_children);
 248
 249                 node = g_list_find (priv->selected, found_att_view);
 250                 if (node != NULL) {
 251                         priv->selected = g_list_delete_link (priv->selected, node);
 252                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 253                         if ((priv->selected == NULL) && (next_widget != NULL))
 254                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 255                                               MODEST_ATTACHMENT_VIEW (next_widget));
 256                 }
 257                 own_clipboard (atts_view);
 258         }
 259
 260 }
 261
 262 void
 263 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 264 {
 265         ModestAttachmentsViewPrivate *priv = NULL;
 266         GList *box_children = NULL, *node = NULL;
 267
 268         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 269         g_return_if_fail (att_id != NULL);
 270
 271         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 272         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 273
 274         for (node = box_children; node != NULL; node = g_list_next (node)) {
 275                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 276                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 277                 const gchar *mime_part_id = NULL;
 278
 279                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 280                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 281                         gtk_widget_destroy (GTK_WIDGET (att_view));
 282                         priv->selected = g_list_remove (priv->selected, att_view);
 283                 }
 284
 285                 g_object_unref (cur_mime_part);
 286         }
 287
 288         own_clipboard (atts_view);
 289
 290 }
 291
 292 static void
 293 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 294 {
 295         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 296
 297         priv->msg = NULL;
 298         priv->box = gtk_vbox_new (FALSE, 0);
 299         priv->rubber_start = NULL;
 300         priv->selected = NULL;
 301
 302         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 303         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 304
 305         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 306         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 307         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 308         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 309         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 310         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 311
 312         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 313
 314         return;
 315 }
 316
 317 static void
 318 modest_attachments_view_finalize (GObject *object)
 319 {
 320         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 321
 322         if (priv->msg) {
 323                 g_object_unref (priv->msg);
 324                 priv->msg = NULL;
 325         }
 326
 327         (*parent_class->finalize) (object);
 328
 329         return;
 330 }
 331
 332 static void
 333 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 334 {
 335         GObjectClass *object_class;
 336         GtkWidgetClass *widget_class;
 337
 338         parent_class = g_type_class_peek_parent (klass);
 339         object_class = (GObjectClass*) klass;
 340         widget_class = GTK_WIDGET_CLASS (klass);
 341
 342         object_class->finalize = modest_attachments_view_finalize;
 343
 344         klass->activate = NULL;
 345
 346         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 347
 348         signals[ACTIVATE_SIGNAL] =
 349                 g_signal_new ("activate",
 350                               G_TYPE_FROM_CLASS (object_class),
 351                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 352                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 353                               NULL, NULL,
 354                               g_cclosure_marshal_VOID__OBJECT,
 355                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 356
 357         signals[DELETE_SIGNAL] =
 358                 g_signal_new ("delete",
 359                               G_TYPE_FROM_CLASS (object_class),
 360                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 361                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 362                               NULL, NULL,
 363                               g_cclosure_marshal_VOID__VOID,
 364                               G_TYPE_NONE, 0);
 365
 366         return;
 367 }
 368
 369 GType
 370 modest_attachments_view_get_type (void)
 371 {
 372         static GType type = 0;
 373
 374         if (G_UNLIKELY(type == 0))
 375         {
 376                 static const GTypeInfo info =
 377                 {
 378                   sizeof (ModestAttachmentsViewClass),
 379                   NULL,   /* base_init */
 380                   NULL,   /* base_finalize */
 381                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 382                   NULL,   /* class_finalize */
 383                   NULL,   /* class_data */
 384                   sizeof (ModestAttachmentsView),
 385                   0,      /* n_preallocs */
 386                   modest_attachments_view_instance_init    /* instance_init */
 387                 };
 388
 389                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 390                         "ModestAttachmentsView",
 391                         &info, 0);
 392
 393         }
 394
 395         return type;
 396 }
 397
 398 /* buttons signal events */
 399 static gboolean
 400 button_press_event (GtkWidget *widget,
 401                     GdkEventButton *event,
 402                     ModestAttachmentsView *atts_view)
 403 {
 404         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 405         if (!GTK_WIDGET_HAS_FOCUS (widget))
 406                 gtk_widget_grab_focus (widget);
 407
 408         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 409                 GtkWidget *att_view = NULL;
 410
 411                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 412                                                    (gint) event->x_root, (gint) event->y_root);
 413
 414                 if (att_view != NULL) {
 415                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 416                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 417                                 if (TNY_IS_MIME_PART (mime_part)) {
 418                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 419                                         g_object_unref (mime_part);
 420                                 }
 421                         } else {
 422                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 423
 424                                 /* Do not select purged attachments */
 425                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 426                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 427                                         priv->rubber_start = att_view;
 428                                         gtk_grab_add (widget);
 429                                 }
 430                                 g_object_unref (mime_part);
 431                         }
 432                 }
 433         }
 434         return TRUE;
 435
 436 }
 437
 438 static gboolean
 439 button_release_event (GtkWidget *widget,
 440                       GdkEventButton *event,
 441                       ModestAttachmentsView *atts_view)
 442 {
 443         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 444         if (widget == gtk_grab_get_current ()) {
 445                 GtkWidget *att_view = NULL;
 446
 447                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 448                                                    (gint) event->x_root, (gint) event->y_root);
 449
 450                 if (att_view != NULL) {
 451                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 452                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 453                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 454                                       MODEST_ATTACHMENT_VIEW (att_view));
 455                 }
 456                 priv->rubber_start = NULL;
 457                 gtk_grab_remove (widget);
 458         }
 459         return TRUE;
 460 }
 461
 462 static gboolean
 463 motion_notify_event (GtkWidget *widget,
 464                      GdkEventMotion *event,
 465                      ModestAttachmentsView *atts_view)
 466 {
 467         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 468         if (gtk_grab_get_current () == widget) {
 469                 GtkWidget *att_view = NULL;
 470
 471                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 472                                                    (gint) event->x_root, (gint) event->y_root);
 473
 474                 if (att_view != NULL) {
 475                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 476                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 477                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 478                                       MODEST_ATTACHMENT_VIEW (att_view));
 479                 }
 480         }
 481         return TRUE;
 482 }
 483
 484 static GList*
 485 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 486 {
 487         GList *tmp = NULL;
 488         gboolean is_valid;
 489
 490         if (!include_this) {
 491                 if (prev) {
 492                         tmp = g_list_previous (list);
 493                 } else {
 494                         tmp = g_list_next (list);
 495                 }
 496         } else {
 497                 tmp = list;
 498         }
 499
 500         if (!tmp)
 501                 return NULL;
 502
 503         do {
 504                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 505                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 506
 507                 /* Do not select purged attachments */
 508                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 509                         is_valid = TRUE;
 510                 } else {
 511                         if (prev)
 512                                 tmp = g_list_previous (tmp);
 513                         else
 514                                 tmp = g_list_next (tmp);
 515                         is_valid = FALSE;
 516                 }
 517                 g_object_unref (mime_part);
 518         } while (!is_valid && tmp);
 519
 520         return tmp;
 521 }
 522
 523
 524 static gboolean
 525 key_press_event (GtkWidget *widget,
 526                  GdkEventKey *event,
 527                  ModestAttachmentsView *atts_view)
 528 {
 529         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 530
 531         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 532         if (gtk_grab_get_current () == widget) {
 533                 if (event->keyval == GDK_Escape) {
 534                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 535                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 536                         priv->rubber_start = NULL;
 537                         gtk_grab_remove (widget);
 538                         return TRUE;
 539                 }
 540                 return FALSE;
 541         }
 542
 543         if (event->keyval == GDK_Up) {
 544                 ModestAttachmentView *current_sel = NULL;
 545                 gboolean move_out = FALSE;
 546                 GList * box_children, *new_sel, *first_child;
 547
 548                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 549                 if (box_children == NULL) {
 550                         move_out = TRUE;
 551                 } else {
 552                         first_child = box_children;
 553                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 554                         if (priv->selected != NULL && first_child != NULL) {
 555                                 if (priv->selected->data != first_child->data)
 556                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 557                                 else
 558                                         move_out = TRUE;
 559                         } else {
 560                                 move_out = TRUE;
 561                         }
 562                 }
 563
 564                 if (move_out) {
 565                         GtkWidget *toplevel = NULL;
 566                         /* move cursor outside */
 567                         toplevel = gtk_widget_get_toplevel (widget);
 568                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 569                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 570                         unselect_all (atts_view);
 571                 } else {
 572                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 573                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 574                         /* We assume that we detected properly that
 575                            there is a not purge attachment so we don't
 576                            need to check NULL */
 577                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 578                 }
 579                 g_list_free (box_children);
 580                 return TRUE;
 581         }
 582
 583         if (event->keyval == GDK_Down) {
 584                 ModestAttachmentView *current_sel = NULL;
 585                 gboolean move_out = FALSE;
 586                 GList * box_children, *new_sel, *last_child = NULL;
 587
 588                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 589
 590                 if (box_children == NULL) {
 591                         move_out = TRUE;
 592                 } else {
 593                         last_child = g_list_last (box_children);
 594                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 595                         if (priv->selected != NULL && last_child != NULL) {
 596                                 GList *last_selected = g_list_last (priv->selected);
 597                                 if (last_selected->data != last_child->data)
 598                                         current_sel = (ModestAttachmentView *) last_selected->data;
 599                                 else
 600                                         move_out = TRUE;
 601                         } else {
 602                                 move_out = TRUE;
 603                         }
 604                 }
 605
 606                 if (move_out) {
 607                         GtkWidget *toplevel = NULL;
 608                         /* move cursor outside */
 609                         toplevel = gtk_widget_get_toplevel (widget);
 610                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 611                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 612                         unselect_all (atts_view);
 613                 } else {
 614                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 615                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 616                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 617                 }
 618                 g_list_free (box_children);
 619                 return TRUE;
 620         }
 621
 622         if (event->keyval == GDK_BackSpace) {
 623                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 624                 return TRUE;
 625         }
 626
 627         /* Activates selected item */
 628         if (g_list_length (priv->selected) == 1) {
 629                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 630                 if ((event->keyval == GDK_Return)) {
 631                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 632                         if (TNY_IS_MIME_PART (mime_part)) {
 633                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 634                                 g_object_unref (mime_part);
 635                         }
 636                         return TRUE;
 637                 }
 638         }
 639
 640         return FALSE;
 641 }
 642
 643
 644 static GtkWidget *
 645 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 646                         gdouble x, gdouble y)
 647 {
 648         ModestAttachmentsViewPrivate *priv = NULL;
 649         GList *att_view_list, *node;
 650         GtkWidget *result = NULL;
 651
 652         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 653         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 654
 655         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 656                 GtkWidget *att_view = (GtkWidget *) node->data;
 657                 gint pos_x, pos_y, w, h, int_x, int_y;
 658                 gint widget_x, widget_y;
 659
 660                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 661
 662                 pos_x = widget_x;
 663                 pos_y = widget_y;
 664                 w = att_view->allocation.width;
 665                 h = att_view->allocation.height;
 666
 667                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 668                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 669
 670                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 671                         result = att_view;
 672                         break;
 673                 }
 674         }
 675
 676         g_list_free (att_view_list);
 677         return result;
 678 }
 679
 680 static void
 681 unselect_all (ModestAttachmentsView *atts_view)
 682 {
 683         ModestAttachmentsViewPrivate *priv = NULL;
 684         GList *att_view_list, *node;
 685
 686         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 687         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 688
 689         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 690                 GtkWidget *att_view = (GtkWidget *) node->data;
 691
 692                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 693                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 694         }
 695
 696         g_list_free (priv->selected);
 697         priv->selected = NULL;
 698
 699         g_list_free (att_view_list);
 700 }
 701
 702 static void
 703 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 704 {
 705         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 706         TnyMimePart *part;
 707
 708         unselect_all (atts_view);
 709         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 710
 711         g_list_free (priv->selected);
 712         priv->selected = NULL;
 713         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 714                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 715                 priv->selected = g_list_append (priv->selected, att_view);
 716         }
 717         if (part)
 718                 g_object_unref (part);
 719
 720         own_clipboard (atts_view);
 721 }
 722
 723 static void
 724 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 725 {
 726         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 727         GList *children = NULL;
 728         GList *node = NULL;
 729         gboolean selecting = FALSE;
 730         TnyMimePart *part;
 731
 732         unselect_all (atts_view);
 733
 734         if (att1 == att2) {
 735                 set_selected (atts_view, att1);
 736                 return;
 737         }
 738
 739         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 740         g_list_free (priv->selected);
 741         priv->selected = NULL;
 742
 743
 744         for (node = children; node != NULL; node = g_list_next (node)) {
 745                 if ((node->data == att1) || (node->data == att2)) {
 746                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 747                         if (!tny_mime_part_is_purged (part)) {
 748                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 749                                 priv->selected = g_list_append (priv->selected, node->data);
 750                         }
 751                         g_object_unref (part);
 752                         selecting = !selecting;
 753                 } else if (selecting) {
 754                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 755                         if (!tny_mime_part_is_purged (part)) {
 756                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 757                                 priv->selected = g_list_append (priv->selected, node->data);
 758                         }
 759                         g_object_unref (part);
 760                 }
 761
 762         }
 763         g_list_free (children);
 764
 765         own_clipboard (atts_view);
 766 }
 767
 768 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 769                            guint info, gpointer userdata)
 770 {
 771         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 772         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 773
 774         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 775                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 776                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 777                          * use an internal index. This index is simply the index of the attachment in the vbox */
 778                         GList *box_children = NULL;
 779                         gint index;
 780                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 781                         index = g_list_index (box_children, priv->selected);
 782                         if (index >= 0) {
 783                                 gchar *index_str = g_strdup_printf("%d", index);
 784                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 785                                 g_free (index_str);
 786                         }
 787                 }
 788         }
 789 }
 790
 791 TnyList *
 792 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 793 {
 794         ModestAttachmentsViewPrivate *priv;
 795         TnyList *selection;
 796         GList *node;
 797
 798         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 799         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 800
 801         selection = tny_simple_list_new ();
 802         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 803                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 804                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 805                 tny_list_append (selection, (GObject *) part);
 806                 g_object_unref (part);
 807         }
 808
 809         return selection;
 810 }
 811
 812 TnyList *
 813 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 814 {
 815         ModestAttachmentsViewPrivate *priv;
 816         TnyList *att_list;
 817         GList *children, *node= NULL;
 818
 819         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 820         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 821
 822         att_list = TNY_LIST (tny_simple_list_new ());
 823
 824         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 825         for (node = children; node != NULL; node = g_list_next (node)) {
 826                 GtkWidget *att_view = GTK_WIDGET (node->data);
 827                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 828                 tny_list_append (att_list, (GObject *) mime_part);
 829                 g_object_unref (mime_part);
 830         }
 831         g_list_free (children);
 832         return att_list;
 833
 834 }
 835
 836 void
 837 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 838 {
 839         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 840         GList *children = NULL;
 841         GList *node = NULL;
 842
 843         unselect_all (atts_view);
 844
 845         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 846         g_list_free (priv->selected);
 847         priv->selected = NULL;
 848
 849         for (node = children; node != NULL; node = g_list_next (node)) {
 850                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 851                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 852
 853                 /* Do not select purged attachments */
 854                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 855                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 856                         priv->selected = g_list_append (priv->selected, node->data);
 857                 }
 858                 g_object_unref (mime_part);
 859         }
 860         g_list_free (children);
 861
 862         own_clipboard (atts_view);
 863 }
 864
 865 gboolean
 866 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 867 {
 868         ModestAttachmentsViewPrivate *priv;
 869         GList *children;
 870         gboolean result;
 871
 872         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 873         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 874
 875         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 876         result = (children != NULL);
 877         g_list_free (children);
 878
 879         return result;
 880 }
 881
 882 void
 883 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 884                                    gint *attachments_count,
 885                                    guint64 *attachments_size)
 886 {
 887         ModestAttachmentsViewPrivate *priv;
 888         GList *children, *node;
 889
 890         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 891         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 892
 893         *attachments_count = 0;
 894         *attachments_size = 0;
 895
 896         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 897
 898         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 899         for (node = children; node != NULL; node = g_list_next (node)) {
 900                 GtkWidget *att_view = (GtkWidget *) node->data;
 901                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 902
 903                 if (!tny_mime_part_is_purged (part)) {
 904                         guint64 size;
 905                         (*attachments_count) ++;
 906                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 907                         if (size == 0) {
 908                                 /* we do a random estimation of the size of an attachment */
 909                                 size = 32768;
 910                         }
 911                         *attachments_size += size;
 912
 913                 }
 914                 g_object_unref (part);
 915         }
 916         g_list_free (children);
 917 }
 918
 919 static void
 920 own_clipboard (ModestAttachmentsView *atts_view)
 921 {
 922         GtkTargetEntry targets[] = {
 923                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 924         };
 925
 926         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 927                                       targets, G_N_ELEMENTS (targets),
 928                                       clipboard_get, NULL, G_OBJECT(atts_view));
 929
 930 }
 931
 932 static gboolean
 933 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 934 {
 935         if (!gtk_widget_is_focus (widget))
 936                 unselect_all (atts_view);
 937
 938         return FALSE;
 939 }
 940
 941 static gboolean
 942 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 943 {
 944         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 945         GList *children = NULL;
 946         GtkWidget *toplevel = NULL;
 947
 948         toplevel = gtk_widget_get_toplevel (widget);
 949         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 950                 return FALSE;
 951
 952         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 953         if (children != NULL) {
 954                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 955         }
 956         g_list_free (children);
 957
 958         return FALSE;
 959 }