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 clipboard_clear (GtkClipboard *clipboard, gpointer userdata);
  80 static void own_clipboard (ModestAttachmentsView *atts_view);
  81
  82 static guint signals[LAST_SIGNAL] = {0};
  83
  84 /**
  85  * modest_attachments_view_new:
  86  * @msg: a #TnyMsg
  87  *
  88  * Constructor for attachments view widget.
  89  *
  90  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  91  **/
  92 GtkWidget*
  93 modest_attachments_view_new (TnyMsg *msg)
  94 {
  95         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  96                                                     "resize-mode", GTK_RESIZE_PARENT,
  97                                                     NULL);
  98
  99         modest_attachments_view_set_message (self, msg);
 100
 101         return GTK_WIDGET (self);
 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         const 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 = 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                 gchar *header_content_type_lower;
 136                 gboolean application_multipart = FALSE;
 137                 header_content_type = modest_tny_mime_part_get_header_value (TNY_MIME_PART (priv->msg), "Content-Type");
 138                 header_content_type = g_strstrip (header_content_type);
 139                 header_content_type_lower = (header_content_type ) ?
 140                         g_ascii_strdown (header_content_type, -1) : NULL;
 141
 142                 if ((header_content_type_lower != NULL) &&
 143                     !strstr (header_content_type_lower, "application/")) {
 144                         application_multipart = TRUE;
 145                         g_free (header_content_type_lower);
 146                 }
 147                 g_free (header_content_type);
 148
 149                 if (application_multipart) {
 150                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 151                         return;
 152                 }
 153         } else {
 154                 gchar *lower;
 155                 gboolean direct_attach;
 156
 157                 lower = g_ascii_strdown (msg_content_type, -1);
 158                 direct_attach = (!g_str_has_prefix (lower, "message/rfc822") &&
 159                                  !g_str_has_prefix (lower, "multipart") &&
 160                                  !g_str_has_prefix (lower, "text/"));
 161                 g_free (lower);
 162                 if (direct_attach) {
 163                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (msg), TRUE, 0);
 164                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 165                         return;
 166                 }
 167         }
 168
 169         parts = TNY_LIST (tny_simple_list_new ());
 170         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 171         iter = tny_list_create_iterator (parts);
 172
 173         while (!tny_iterator_is_done (iter)) {
 174                 TnyMimePart *part;
 175
 176                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 177
 178                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 179                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 180
 181                 if (part)
 182                         g_object_unref (part);
 183
 184                 tny_iterator_next (iter);
 185         }
 186         g_object_unref (iter);
 187         g_object_unref (parts);
 188
 189
 190         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 191
 192 }
 193
 194 void
 195 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 196                                         gboolean detect_size, guint64 size)
 197 {
 198         GtkWidget *att_view = NULL;
 199         ModestAttachmentsViewPrivate *priv = NULL;
 200
 201         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 202         g_return_if_fail (TNY_IS_MIME_PART (part));
 203
 204         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 205
 206         att_view = modest_attachment_view_new (part, detect_size);
 207         if (!detect_size)
 208                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 209         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 210         gtk_widget_show_all (att_view);
 211 }
 212
 213 void
 214 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 215 {
 216         ModestAttachmentsViewPrivate *priv = NULL;
 217         GList *box_children = NULL, *node = NULL;
 218         ModestAttachmentView *found_att_view = NULL;
 219
 220         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 221         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 222
 223         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 224         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 225
 226         for (node = box_children; node != NULL; node = g_list_next (node)) {
 227                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 228                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 229
 230                 if (mime_part == cur_mime_part)
 231                         found_att_view = att_view;
 232
 233                 g_object_unref (cur_mime_part);
 234
 235                 if (found_att_view != NULL)
 236                         break;
 237         }
 238
 239         if (found_att_view) {
 240                 GList *node = NULL;
 241                 GtkWidget *next_widget = NULL;
 242                 GList *box_children = NULL;
 243
 244                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 245                 node = g_list_find (box_children, found_att_view);
 246                 if (node->next)
 247                         next_widget = node->next->data;
 248
 249                 g_list_free (box_children);
 250
 251                 node = g_list_find (priv->selected, found_att_view);
 252                 if (node != NULL) {
 253                         priv->selected = g_list_delete_link (priv->selected, node);
 254                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 255                         if ((priv->selected == NULL) && (next_widget != NULL))
 256                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 257                                               MODEST_ATTACHMENT_VIEW (next_widget));
 258                 }
 259                 own_clipboard (atts_view);
 260         }
 261
 262 }
 263
 264 void
 265 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 266 {
 267         ModestAttachmentsViewPrivate *priv = NULL;
 268         GList *box_children = NULL, *node = NULL;
 269
 270         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 271         g_return_if_fail (att_id != NULL);
 272
 273         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 274         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 275
 276         for (node = box_children; node != NULL; node = g_list_next (node)) {
 277                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 278                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 279                 const gchar *mime_part_id = NULL;
 280
 281                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 282                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 283                         gtk_widget_destroy (GTK_WIDGET (att_view));
 284                         priv->selected = g_list_remove (priv->selected, att_view);
 285                 }
 286
 287                 g_object_unref (cur_mime_part);
 288         }
 289
 290         own_clipboard (atts_view);
 291
 292 }
 293
 294 static void
 295 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 296 {
 297         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 298
 299         priv->msg = NULL;
 300         priv->box = gtk_vbox_new (FALSE, 0);
 301         priv->rubber_start = NULL;
 302         priv->selected = NULL;
 303
 304         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 305         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 306
 307         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 308         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 309         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 310         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 311         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 312         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 313
 314         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 315
 316         return;
 317 }
 318
 319 static void
 320 modest_attachments_view_finalize (GObject *object)
 321 {
 322         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 323
 324         if (priv->msg) {
 325                 g_object_unref (priv->msg);
 326                 priv->msg = NULL;
 327         }
 328
 329         (*parent_class->finalize) (object);
 330
 331         return;
 332 }
 333
 334 static void
 335 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 336 {
 337         GObjectClass *object_class;
 338         GtkWidgetClass *widget_class;
 339
 340         parent_class = g_type_class_peek_parent (klass);
 341         object_class = (GObjectClass*) klass;
 342         widget_class = GTK_WIDGET_CLASS (klass);
 343
 344         object_class->finalize = modest_attachments_view_finalize;
 345
 346         klass->activate = NULL;
 347
 348         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 349
 350         signals[ACTIVATE_SIGNAL] =
 351                 g_signal_new ("activate",
 352                               G_TYPE_FROM_CLASS (object_class),
 353                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 354                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 355                               NULL, NULL,
 356                               g_cclosure_marshal_VOID__OBJECT,
 357                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 358
 359         signals[DELETE_SIGNAL] =
 360                 g_signal_new ("delete",
 361                               G_TYPE_FROM_CLASS (object_class),
 362                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 363                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 364                               NULL, NULL,
 365                               g_cclosure_marshal_VOID__VOID,
 366                               G_TYPE_NONE, 0);
 367
 368         return;
 369 }
 370
 371 GType
 372 modest_attachments_view_get_type (void)
 373 {
 374         static GType type = 0;
 375
 376         if (G_UNLIKELY(type == 0))
 377         {
 378                 static const GTypeInfo info =
 379                 {
 380                   sizeof (ModestAttachmentsViewClass),
 381                   NULL,   /* base_init */
 382                   NULL,   /* base_finalize */
 383                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 384                   NULL,   /* class_finalize */
 385                   NULL,   /* class_data */
 386                   sizeof (ModestAttachmentsView),
 387                   0,      /* n_preallocs */
 388                   modest_attachments_view_instance_init    /* instance_init */
 389                 };
 390
 391                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 392                         "ModestAttachmentsView",
 393                         &info, 0);
 394
 395         }
 396
 397         return type;
 398 }
 399
 400 /* buttons signal events */
 401 static gboolean
 402 button_press_event (GtkWidget *widget,
 403                     GdkEventButton *event,
 404                     ModestAttachmentsView *atts_view)
 405 {
 406         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 407         if (!GTK_WIDGET_HAS_FOCUS (widget))
 408                 gtk_widget_grab_focus (widget);
 409
 410         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 411                 GtkWidget *att_view = NULL;
 412
 413                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 414                                                    (gint) event->x_root, (gint) event->y_root);
 415
 416                 if (att_view != NULL) {
 417                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 418                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 419                                 if (TNY_IS_MIME_PART (mime_part)) {
 420                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 421                                         g_object_unref (mime_part);
 422                                 }
 423                         } else {
 424                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 425
 426                                 /* Do not select purged attachments */
 427                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 428                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 429                                         priv->rubber_start = att_view;
 430                                         gtk_grab_add (widget);
 431                                 }
 432                                 g_object_unref (mime_part);
 433                         }
 434                 }
 435         }
 436         return TRUE;
 437
 438 }
 439
 440 static gboolean
 441 button_release_event (GtkWidget *widget,
 442                       GdkEventButton *event,
 443                       ModestAttachmentsView *atts_view)
 444 {
 445         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 446         if (widget == gtk_grab_get_current ()) {
 447                 GtkWidget *att_view = NULL;
 448
 449                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 450                                                    (gint) event->x_root, (gint) event->y_root);
 451
 452                 if (att_view != NULL) {
 453                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 454                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 455                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 456                                       MODEST_ATTACHMENT_VIEW (att_view));
 457                 }
 458                 priv->rubber_start = NULL;
 459                 gtk_grab_remove (widget);
 460         }
 461         return TRUE;
 462 }
 463
 464 static gboolean
 465 motion_notify_event (GtkWidget *widget,
 466                      GdkEventMotion *event,
 467                      ModestAttachmentsView *atts_view)
 468 {
 469         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 470         if (gtk_grab_get_current () == widget) {
 471                 GtkWidget *att_view = NULL;
 472
 473                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 474                                                    (gint) event->x_root, (gint) event->y_root);
 475
 476                 if (att_view != NULL) {
 477                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 478                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 479                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 480                                       MODEST_ATTACHMENT_VIEW (att_view));
 481                 }
 482         }
 483         return TRUE;
 484 }
 485
 486 static GList*
 487 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 488 {
 489         GList *tmp = NULL;
 490         gboolean is_valid;
 491
 492         if (!include_this) {
 493                 if (prev) {
 494                         tmp = g_list_previous (list);
 495                 } else {
 496                         tmp = g_list_next (list);
 497                 }
 498         } else {
 499                 tmp = list;
 500         }
 501
 502         if (!tmp)
 503                 return NULL;
 504
 505         do {
 506                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 507                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 508
 509                 /* Do not select purged attachments */
 510                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 511                         is_valid = TRUE;
 512                 } else {
 513                         if (prev)
 514                                 tmp = g_list_previous (tmp);
 515                         else
 516                                 tmp = g_list_next (tmp);
 517                         is_valid = FALSE;
 518                 }
 519                 g_object_unref (mime_part);
 520         } while (!is_valid && tmp);
 521
 522         return tmp;
 523 }
 524
 525
 526 static gboolean
 527 key_press_event (GtkWidget *widget,
 528                  GdkEventKey *event,
 529                  ModestAttachmentsView *atts_view)
 530 {
 531         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 532
 533         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 534         if (gtk_grab_get_current () == widget) {
 535                 if (event->keyval == GDK_Escape) {
 536                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 537                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 538                         priv->rubber_start = NULL;
 539                         gtk_grab_remove (widget);
 540                         return TRUE;
 541                 }
 542                 return FALSE;
 543         }
 544
 545         if (event->keyval == GDK_Up) {
 546                 ModestAttachmentView *current_sel = NULL;
 547                 gboolean move_out = FALSE;
 548                 GList * box_children, *new_sel, *first_child;
 549
 550                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 551                 if (box_children == NULL) {
 552                         move_out = TRUE;
 553                 } else {
 554                         first_child = box_children;
 555                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 556                         if (priv->selected != NULL && first_child != NULL) {
 557                                 if (priv->selected->data != first_child->data)
 558                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 559                                 else
 560                                         move_out = TRUE;
 561                         } else {
 562                                 move_out = TRUE;
 563                         }
 564                 }
 565
 566                 if (move_out) {
 567                         GtkWidget *toplevel = NULL;
 568                         /* move cursor outside */
 569                         toplevel = gtk_widget_get_toplevel (widget);
 570                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 571                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 572                         unselect_all (atts_view);
 573                 } else {
 574                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 575                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 576                         /* We assume that we detected properly that
 577                            there is a not purge attachment so we don't
 578                            need to check NULL */
 579                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 580                 }
 581                 g_list_free (box_children);
 582                 return TRUE;
 583         }
 584
 585         if (event->keyval == GDK_Down) {
 586                 ModestAttachmentView *current_sel = NULL;
 587                 gboolean move_out = FALSE;
 588                 GList * box_children, *new_sel, *last_child = NULL;
 589
 590                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 591
 592                 if (box_children == NULL) {
 593                         move_out = TRUE;
 594                 } else {
 595                         last_child = g_list_last (box_children);
 596                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 597                         if (priv->selected != NULL && last_child != NULL) {
 598                                 GList *last_selected = g_list_last (priv->selected);
 599                                 if (last_selected->data != last_child->data)
 600                                         current_sel = (ModestAttachmentView *) last_selected->data;
 601                                 else
 602                                         move_out = TRUE;
 603                         } else {
 604                                 move_out = TRUE;
 605                         }
 606                 }
 607
 608                 if (move_out) {
 609                         GtkWidget *toplevel = NULL;
 610                         /* move cursor outside */
 611                         toplevel = gtk_widget_get_toplevel (widget);
 612                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 613                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 614                         unselect_all (atts_view);
 615                 } else {
 616                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 617                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 618                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 619                 }
 620                 g_list_free (box_children);
 621                 return TRUE;
 622         }
 623
 624         if (event->keyval == GDK_BackSpace) {
 625                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 626                 return TRUE;
 627         }
 628
 629         /* Activates selected item */
 630         if (g_list_length (priv->selected) == 1) {
 631                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 632                 if ((event->keyval == GDK_Return)) {
 633                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 634                         if (TNY_IS_MIME_PART (mime_part)) {
 635                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 636                                 g_object_unref (mime_part);
 637                         }
 638                         return TRUE;
 639                 }
 640         }
 641
 642         return FALSE;
 643 }
 644
 645
 646 static GtkWidget *
 647 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 648                         gdouble x, gdouble y)
 649 {
 650         ModestAttachmentsViewPrivate *priv = NULL;
 651         GList *att_view_list, *node;
 652         GtkWidget *result = NULL;
 653
 654         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 655         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 656
 657         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 658                 GtkWidget *att_view = (GtkWidget *) node->data;
 659                 gint pos_x, pos_y, w, h, int_x, int_y;
 660                 gint widget_x, widget_y;
 661
 662                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 663
 664                 pos_x = widget_x;
 665                 pos_y = widget_y;
 666                 w = att_view->allocation.width;
 667                 h = att_view->allocation.height;
 668
 669                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 670                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 671
 672                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 673                         result = att_view;
 674                         break;
 675                 }
 676         }
 677
 678         g_list_free (att_view_list);
 679         return result;
 680 }
 681
 682 static void
 683 unselect_all (ModestAttachmentsView *atts_view)
 684 {
 685         ModestAttachmentsViewPrivate *priv = NULL;
 686         GList *att_view_list, *node;
 687
 688         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 689         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 690
 691         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 692                 GtkWidget *att_view = (GtkWidget *) node->data;
 693
 694                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 695                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 696         }
 697
 698         g_list_free (priv->selected);
 699         priv->selected = NULL;
 700
 701         g_list_free (att_view_list);
 702 }
 703
 704 static void
 705 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 706 {
 707         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 708         TnyMimePart *part;
 709
 710         unselect_all (atts_view);
 711         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 712
 713         g_list_free (priv->selected);
 714         priv->selected = NULL;
 715         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 716                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 717                 priv->selected = g_list_append (priv->selected, att_view);
 718         }
 719         if (part)
 720                 g_object_unref (part);
 721
 722         own_clipboard (atts_view);
 723 }
 724
 725 static void
 726 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 727 {
 728         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 729         GList *children = NULL;
 730         GList *node = NULL;
 731         gboolean selecting = FALSE;
 732         TnyMimePart *part;
 733
 734         unselect_all (atts_view);
 735
 736         if (att1 == att2) {
 737                 set_selected (atts_view, att1);
 738                 return;
 739         }
 740
 741         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 742         g_list_free (priv->selected);
 743         priv->selected = NULL;
 744
 745
 746         for (node = children; node != NULL; node = g_list_next (node)) {
 747                 if ((node->data == att1) || (node->data == att2)) {
 748                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 749                         if (!tny_mime_part_is_purged (part)) {
 750                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 751                                 priv->selected = g_list_append (priv->selected, node->data);
 752                         }
 753                         g_object_unref (part);
 754                         selecting = !selecting;
 755                 } else if (selecting) {
 756                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 757                         if (!tny_mime_part_is_purged (part)) {
 758                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 759                                 priv->selected = g_list_append (priv->selected, node->data);
 760                         }
 761                         g_object_unref (part);
 762                 }
 763
 764         }
 765         g_list_free (children);
 766
 767         own_clipboard (atts_view);
 768 }
 769
 770 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 771                            guint info, gpointer userdata)
 772 {
 773         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 774         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 775
 776         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 777                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 778                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 779                          * use an internal index. This index is simply the index of the attachment in the vbox */
 780                         GList *box_children = NULL;
 781                         gint index;
 782                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 783                         index = g_list_index (box_children, priv->selected);
 784                         if (index >= 0) {
 785                                 gchar *index_str = g_strdup_printf("%d", index);
 786                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 787                                 g_free (index_str);
 788                         }
 789                 }
 790         }
 791 }
 792
 793 TnyList *
 794 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 795 {
 796         ModestAttachmentsViewPrivate *priv;
 797         TnyList *selection;
 798         GList *node;
 799
 800         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 801         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 802
 803         selection = tny_simple_list_new ();
 804         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 805                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 806                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 807                 tny_list_append (selection, (GObject *) part);
 808                 g_object_unref (part);
 809         }
 810
 811         return selection;
 812 }
 813
 814 TnyList *
 815 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 816 {
 817         ModestAttachmentsViewPrivate *priv;
 818         TnyList *att_list;
 819         GList *children, *node= NULL;
 820
 821         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 822         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 823
 824         att_list = TNY_LIST (tny_simple_list_new ());
 825
 826         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 827         for (node = children; node != NULL; node = g_list_next (node)) {
 828                 GtkWidget *att_view = GTK_WIDGET (node->data);
 829                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 830                 tny_list_append (att_list, (GObject *) mime_part);
 831                 g_object_unref (mime_part);
 832         }
 833         g_list_free (children);
 834         return att_list;
 835
 836 }
 837
 838 void
 839 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 840 {
 841         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 842         GList *children = NULL;
 843         GList *node = NULL;
 844
 845         unselect_all (atts_view);
 846
 847         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 848         g_list_free (priv->selected);
 849         priv->selected = NULL;
 850
 851         for (node = children; node != NULL; node = g_list_next (node)) {
 852                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 853                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 854
 855                 /* Do not select purged attachments */
 856                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 857                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 858                         priv->selected = g_list_append (priv->selected, node->data);
 859                 }
 860                 g_object_unref (mime_part);
 861         }
 862         g_list_free (children);
 863
 864         own_clipboard (atts_view);
 865 }
 866
 867 gboolean
 868 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 869 {
 870         ModestAttachmentsViewPrivate *priv;
 871         GList *children;
 872         gboolean result;
 873
 874         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 875         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 876
 877         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 878         result = (children != NULL);
 879         g_list_free (children);
 880
 881         return result;
 882 }
 883
 884 void
 885 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 886                                    gint *attachments_count,
 887                                    guint64 *attachments_size)
 888 {
 889         ModestAttachmentsViewPrivate *priv;
 890         GList *children, *node;
 891
 892         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 893         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 894
 895         *attachments_count = 0;
 896         *attachments_size = 0;
 897
 898         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 899
 900         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 901         for (node = children; node != NULL; node = g_list_next (node)) {
 902                 GtkWidget *att_view = (GtkWidget *) node->data;
 903                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 904
 905                 if (!tny_mime_part_is_purged (part)) {
 906                         guint64 size;
 907                         (*attachments_count) ++;
 908                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 909                         if (size == 0) {
 910                                 /* we do a random estimation of the size of an attachment */
 911                                 size = 32768;
 912                         }
 913                         *attachments_size += size;
 914
 915                 }
 916                 g_object_unref (part);
 917         }
 918         g_list_free (children);
 919 }
 920
 921 static void
 922 own_clipboard (ModestAttachmentsView *atts_view)
 923 {
 924         GtkTargetEntry targets[] = {
 925                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 926         };
 927
 928         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 929                                       targets, G_N_ELEMENTS (targets),
 930                                       clipboard_get, NULL, G_OBJECT(atts_view));
 931
 932 }
 933
 934 static gboolean
 935 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 936 {
 937         if (!gtk_widget_is_focus (widget))
 938                 unselect_all (atts_view);
 939
 940         return FALSE;
 941 }
 942
 943 static gboolean
 944 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 945 {
 946         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 947         GList *children = NULL;
 948         GtkWidget *toplevel = NULL;
 949
 950         toplevel = gtk_widget_get_toplevel (widget);
 951         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 952                 return FALSE;
 953
 954         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 955         if (children != NULL) {
 956                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 957         }
 958         g_list_free (children);
 959
 960         return FALSE;
 961 }