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 void
 104 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 105 {
 106         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 107         TnyList *parts;
 108         TnyIterator *iter;
 109         const gchar *msg_content_type = NULL;
 110
 111         if (msg == priv->msg) return;
 112
 113         if (priv->msg)
 114                 g_object_unref (priv->msg);
 115         if (msg)
 116                 g_object_ref (G_OBJECT(msg));
 117
 118         priv->msg = msg;
 119
 120         g_list_free (priv->selected);
 121         priv->selected = NULL;
 122
 123         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 124
 125         if (priv->msg == NULL) {
 126                 return;
 127         }
 128
 129         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 130          * embedded images in body */
 131         msg_content_type = tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 132         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 133                 gchar *header_content_type;
 134                 gchar *header_content_type_lower;
 135                 gboolean application_multipart = FALSE;
 136                 header_content_type = modest_tny_mime_part_get_header_value (TNY_MIME_PART (priv->msg), "Content-Type");
 137                 header_content_type = g_strstrip (header_content_type);
 138                 header_content_type_lower = (header_content_type ) ?
 139                         g_ascii_strdown (header_content_type, -1) : NULL;
 140
 141                 if ((header_content_type_lower != NULL) &&
 142                     !strstr (header_content_type_lower, "application/")) {
 143                         application_multipart = TRUE;
 144                         g_free (header_content_type_lower);
 145                 }
 146                 g_free (header_content_type);
 147
 148                 if (application_multipart) {
 149                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 150                         return;
 151                 }
 152         } else {
 153                 gchar *lower;
 154                 gboolean direct_attach;
 155
 156                 lower = g_ascii_strdown (msg_content_type, -1);
 157                 direct_attach = (!g_str_has_prefix (lower, "message/rfc822") &&
 158                                  !g_str_has_prefix (lower, "multipart") &&
 159                                  !g_str_has_prefix (lower, "text/"));
 160                 g_free (lower);
 161                 if (direct_attach) {
 162                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (msg), TRUE, 0);
 163                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 164                         return;
 165                 }
 166         }
 167
 168         parts = TNY_LIST (tny_simple_list_new ());
 169         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 170         iter = tny_list_create_iterator (parts);
 171
 172         while (!tny_iterator_is_done (iter)) {
 173                 TnyMimePart *part;
 174
 175                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 176
 177                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 178                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 179
 180                 if (part)
 181                         g_object_unref (part);
 182
 183                 tny_iterator_next (iter);
 184         }
 185         g_object_unref (iter);
 186         g_object_unref (parts);
 187
 188
 189         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 190
 191 }
 192
 193 void
 194 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 195                                         gboolean detect_size, guint64 size)
 196 {
 197         GtkWidget *att_view = NULL;
 198         ModestAttachmentsViewPrivate *priv = NULL;
 199
 200         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 201         g_return_if_fail (TNY_IS_MIME_PART (part));
 202
 203         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 204
 205         att_view = modest_attachment_view_new (part, detect_size);
 206         if (!detect_size)
 207                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 208         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 209         gtk_widget_show_all (att_view);
 210 }
 211
 212 void
 213 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 214 {
 215         ModestAttachmentsViewPrivate *priv = NULL;
 216         GList *box_children = NULL, *node = NULL;
 217         ModestAttachmentView *found_att_view = NULL;
 218
 219         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 220         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 221
 222         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 223         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 224
 225         for (node = box_children; node != NULL; node = g_list_next (node)) {
 226                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 227                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 228
 229                 if (mime_part == cur_mime_part)
 230                         found_att_view = att_view;
 231
 232                 g_object_unref (cur_mime_part);
 233
 234                 if (found_att_view != NULL)
 235                         break;
 236         }
 237
 238         if (found_att_view) {
 239                 GList *node = NULL;
 240                 GtkWidget *next_widget = NULL;
 241                 GList *box_children = NULL;
 242
 243                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 244                 node = g_list_find (box_children, found_att_view);
 245                 if (node->next)
 246                         next_widget = node->next->data;
 247
 248                 g_list_free (box_children);
 249
 250                 node = g_list_find (priv->selected, found_att_view);
 251                 if (node != NULL) {
 252                         priv->selected = g_list_delete_link (priv->selected, node);
 253                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 254                         if ((priv->selected == NULL) && (next_widget != NULL))
 255                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 256                                               MODEST_ATTACHMENT_VIEW (next_widget));
 257                 }
 258                 own_clipboard (atts_view);
 259         }
 260
 261 }
 262
 263 void
 264 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 265 {
 266         ModestAttachmentsViewPrivate *priv = NULL;
 267         GList *box_children = NULL, *node = NULL;
 268
 269         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 270         g_return_if_fail (att_id != NULL);
 271
 272         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 273         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 274
 275         for (node = box_children; node != NULL; node = g_list_next (node)) {
 276                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 277                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 278                 const gchar *mime_part_id = NULL;
 279
 280                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 281                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 282                         gtk_widget_destroy (GTK_WIDGET (att_view));
 283                         priv->selected = g_list_remove (priv->selected, att_view);
 284                 }
 285
 286                 g_object_unref (cur_mime_part);
 287         }
 288
 289         own_clipboard (atts_view);
 290
 291 }
 292
 293 static void
 294 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 295 {
 296         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 297
 298         priv->msg = NULL;
 299         priv->box = gtk_vbox_new (FALSE, 0);
 300         priv->rubber_start = NULL;
 301         priv->selected = NULL;
 302
 303         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 304         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 305
 306         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 307         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 308         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 309         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 310         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 311         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 312
 313         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 314
 315         return;
 316 }
 317
 318 static void
 319 modest_attachments_view_finalize (GObject *object)
 320 {
 321         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 322
 323         if (priv->msg) {
 324                 g_object_unref (priv->msg);
 325                 priv->msg = NULL;
 326         }
 327
 328         (*parent_class->finalize) (object);
 329
 330         return;
 331 }
 332
 333 static void
 334 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 335 {
 336         GObjectClass *object_class;
 337         GtkWidgetClass *widget_class;
 338
 339         parent_class = g_type_class_peek_parent (klass);
 340         object_class = (GObjectClass*) klass;
 341         widget_class = GTK_WIDGET_CLASS (klass);
 342
 343         object_class->finalize = modest_attachments_view_finalize;
 344
 345         klass->activate = NULL;
 346
 347         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 348
 349         signals[ACTIVATE_SIGNAL] =
 350                 g_signal_new ("activate",
 351                               G_TYPE_FROM_CLASS (object_class),
 352                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 353                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 354                               NULL, NULL,
 355                               g_cclosure_marshal_VOID__OBJECT,
 356                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 357
 358         signals[DELETE_SIGNAL] =
 359                 g_signal_new ("delete",
 360                               G_TYPE_FROM_CLASS (object_class),
 361                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 362                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 363                               NULL, NULL,
 364                               g_cclosure_marshal_VOID__VOID,
 365                               G_TYPE_NONE, 0);
 366
 367         return;
 368 }
 369
 370 GType
 371 modest_attachments_view_get_type (void)
 372 {
 373         static GType type = 0;
 374
 375         if (G_UNLIKELY(type == 0))
 376         {
 377                 static const GTypeInfo info =
 378                 {
 379                   sizeof (ModestAttachmentsViewClass),
 380                   NULL,   /* base_init */
 381                   NULL,   /* base_finalize */
 382                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 383                   NULL,   /* class_finalize */
 384                   NULL,   /* class_data */
 385                   sizeof (ModestAttachmentsView),
 386                   0,      /* n_preallocs */
 387                   modest_attachments_view_instance_init    /* instance_init */
 388                 };
 389
 390                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 391                         "ModestAttachmentsView",
 392                         &info, 0);
 393
 394         }
 395
 396         return type;
 397 }
 398
 399 /* buttons signal events */
 400 static gboolean
 401 button_press_event (GtkWidget *widget,
 402                     GdkEventButton *event,
 403                     ModestAttachmentsView *atts_view)
 404 {
 405         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 406         if (!GTK_WIDGET_HAS_FOCUS (widget))
 407                 gtk_widget_grab_focus (widget);
 408
 409         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 410                 GtkWidget *att_view = NULL;
 411
 412                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 413                                                    (gint) event->x_root, (gint) event->y_root);
 414
 415                 if (att_view != NULL) {
 416                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 417                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 418                                 if (TNY_IS_MIME_PART (mime_part)) {
 419                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 420                                         g_object_unref (mime_part);
 421                                 }
 422                         } else {
 423                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 424
 425                                 /* Do not select purged attachments */
 426                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 427                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 428                                         priv->rubber_start = att_view;
 429                                         gtk_grab_add (widget);
 430                                 }
 431                                 g_object_unref (mime_part);
 432                         }
 433                 }
 434         }
 435         return TRUE;
 436
 437 }
 438
 439 static gboolean
 440 button_release_event (GtkWidget *widget,
 441                       GdkEventButton *event,
 442                       ModestAttachmentsView *atts_view)
 443 {
 444         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 445         if (widget == gtk_grab_get_current ()) {
 446                 GtkWidget *att_view = NULL;
 447
 448                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 449                                                    (gint) event->x_root, (gint) event->y_root);
 450
 451                 if (att_view != NULL) {
 452                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 453                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 454                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 455                                       MODEST_ATTACHMENT_VIEW (att_view));
 456                 }
 457                 priv->rubber_start = NULL;
 458                 gtk_grab_remove (widget);
 459         }
 460         return TRUE;
 461 }
 462
 463 static gboolean
 464 motion_notify_event (GtkWidget *widget,
 465                      GdkEventMotion *event,
 466                      ModestAttachmentsView *atts_view)
 467 {
 468         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 469         if (gtk_grab_get_current () == widget) {
 470                 GtkWidget *att_view = NULL;
 471
 472                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 473                                                    (gint) event->x_root, (gint) event->y_root);
 474
 475                 if (att_view != NULL) {
 476                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 477                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 478                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 479                                       MODEST_ATTACHMENT_VIEW (att_view));
 480                 }
 481         }
 482         return TRUE;
 483 }
 484
 485 static GList*
 486 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 487 {
 488         GList *tmp = NULL;
 489         gboolean is_valid;
 490
 491         if (!include_this) {
 492                 if (prev) {
 493                         tmp = g_list_previous (list);
 494                 } else {
 495                         tmp = g_list_next (list);
 496                 }
 497         } else {
 498                 tmp = list;
 499         }
 500
 501         if (!tmp)
 502                 return NULL;
 503
 504         do {
 505                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 506                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 507
 508                 /* Do not select purged attachments */
 509                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 510                         is_valid = TRUE;
 511                 } else {
 512                         if (prev)
 513                                 tmp = g_list_previous (tmp);
 514                         else
 515                                 tmp = g_list_next (tmp);
 516                         is_valid = FALSE;
 517                 }
 518                 g_object_unref (mime_part);
 519         } while (!is_valid && tmp);
 520
 521         return tmp;
 522 }
 523
 524
 525 static gboolean
 526 key_press_event (GtkWidget *widget,
 527                  GdkEventKey *event,
 528                  ModestAttachmentsView *atts_view)
 529 {
 530         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 531
 532         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 533         if (gtk_grab_get_current () == widget) {
 534                 if (event->keyval == GDK_Escape) {
 535                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 536                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 537                         priv->rubber_start = NULL;
 538                         gtk_grab_remove (widget);
 539                         return TRUE;
 540                 }
 541                 return FALSE;
 542         }
 543
 544         if (event->keyval == GDK_Up) {
 545                 ModestAttachmentView *current_sel = NULL;
 546                 gboolean move_out = FALSE;
 547                 GList * box_children, *new_sel, *first_child;
 548
 549                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 550                 if (box_children == NULL) {
 551                         move_out = TRUE;
 552                 } else {
 553                         first_child = box_children;
 554                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 555                         if (priv->selected != NULL && first_child != NULL) {
 556                                 if (priv->selected->data != first_child->data)
 557                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 558                                 else
 559                                         move_out = TRUE;
 560                         } else {
 561                                 move_out = TRUE;
 562                         }
 563                 }
 564
 565                 if (move_out) {
 566                         GtkWidget *toplevel = NULL;
 567                         /* move cursor outside */
 568                         toplevel = gtk_widget_get_toplevel (widget);
 569                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 570                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 571                         unselect_all (atts_view);
 572                 } else {
 573                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 574                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 575                         /* We assume that we detected properly that
 576                            there is a not purge attachment so we don't
 577                            need to check NULL */
 578                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 579                 }
 580                 g_list_free (box_children);
 581                 return TRUE;
 582         }
 583
 584         if (event->keyval == GDK_Down) {
 585                 ModestAttachmentView *current_sel = NULL;
 586                 gboolean move_out = FALSE;
 587                 GList * box_children, *new_sel, *last_child = NULL;
 588
 589                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 590
 591                 if (box_children == NULL) {
 592                         move_out = TRUE;
 593                 } else {
 594                         last_child = g_list_last (box_children);
 595                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 596                         if (priv->selected != NULL && last_child != NULL) {
 597                                 GList *last_selected = g_list_last (priv->selected);
 598                                 if (last_selected->data != last_child->data)
 599                                         current_sel = (ModestAttachmentView *) last_selected->data;
 600                                 else
 601                                         move_out = TRUE;
 602                         } else {
 603                                 move_out = TRUE;
 604                         }
 605                 }
 606
 607                 if (move_out) {
 608                         GtkWidget *toplevel = NULL;
 609                         /* move cursor outside */
 610                         toplevel = gtk_widget_get_toplevel (widget);
 611                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 612                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 613                         unselect_all (atts_view);
 614                 } else {
 615                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 616                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 617                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 618                 }
 619                 g_list_free (box_children);
 620                 return TRUE;
 621         }
 622
 623         if (event->keyval == GDK_BackSpace) {
 624                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 625                 return TRUE;
 626         }
 627
 628         /* Activates selected item */
 629         if (g_list_length (priv->selected) == 1) {
 630                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 631                 if ((event->keyval == GDK_Return)) {
 632                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 633                         if (TNY_IS_MIME_PART (mime_part)) {
 634                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 635                                 g_object_unref (mime_part);
 636                         }
 637                         return TRUE;
 638                 }
 639         }
 640
 641         return FALSE;
 642 }
 643
 644
 645 static GtkWidget *
 646 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 647                         gdouble x, gdouble y)
 648 {
 649         ModestAttachmentsViewPrivate *priv = NULL;
 650         GList *att_view_list, *node;
 651         GtkWidget *result = NULL;
 652
 653         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 654         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 655
 656         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 657                 GtkWidget *att_view = (GtkWidget *) node->data;
 658                 gint pos_x, pos_y, w, h, int_x, int_y;
 659                 gint widget_x, widget_y;
 660
 661                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 662
 663                 pos_x = widget_x;
 664                 pos_y = widget_y;
 665                 w = att_view->allocation.width;
 666                 h = att_view->allocation.height;
 667
 668                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 669                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 670
 671                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 672                         result = att_view;
 673                         break;
 674                 }
 675         }
 676
 677         g_list_free (att_view_list);
 678         return result;
 679 }
 680
 681 static void
 682 unselect_all (ModestAttachmentsView *atts_view)
 683 {
 684         ModestAttachmentsViewPrivate *priv = NULL;
 685         GList *att_view_list, *node;
 686
 687         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 688         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 689
 690         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 691                 GtkWidget *att_view = (GtkWidget *) node->data;
 692
 693                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 694                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 695         }
 696
 697         g_list_free (priv->selected);
 698         priv->selected = NULL;
 699
 700         g_list_free (att_view_list);
 701 }
 702
 703 static void
 704 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 705 {
 706         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 707         TnyMimePart *part;
 708
 709         unselect_all (atts_view);
 710         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 711
 712         g_list_free (priv->selected);
 713         priv->selected = NULL;
 714         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 715                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 716                 priv->selected = g_list_append (priv->selected, att_view);
 717         }
 718         if (part)
 719                 g_object_unref (part);
 720
 721         own_clipboard (atts_view);
 722 }
 723
 724 static void
 725 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 726 {
 727         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 728         GList *children = NULL;
 729         GList *node = NULL;
 730         gboolean selecting = FALSE;
 731         TnyMimePart *part;
 732
 733         unselect_all (atts_view);
 734
 735         if (att1 == att2) {
 736                 set_selected (atts_view, att1);
 737                 return;
 738         }
 739
 740         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 741         g_list_free (priv->selected);
 742         priv->selected = NULL;
 743
 744
 745         for (node = children; node != NULL; node = g_list_next (node)) {
 746                 if ((node->data == att1) || (node->data == att2)) {
 747                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 748                         if (!tny_mime_part_is_purged (part)) {
 749                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 750                                 priv->selected = g_list_append (priv->selected, node->data);
 751                         }
 752                         g_object_unref (part);
 753                         selecting = !selecting;
 754                 } else if (selecting) {
 755                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 756                         if (!tny_mime_part_is_purged (part)) {
 757                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 758                                 priv->selected = g_list_append (priv->selected, node->data);
 759                         }
 760                         g_object_unref (part);
 761                 }
 762
 763         }
 764         g_list_free (children);
 765
 766         own_clipboard (atts_view);
 767 }
 768
 769 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 770                            guint info, gpointer userdata)
 771 {
 772         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 773         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 774
 775         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 776                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 777                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 778                          * use an internal index. This index is simply the index of the attachment in the vbox */
 779                         GList *box_children = NULL;
 780                         gint index;
 781                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 782                         index = g_list_index (box_children, priv->selected);
 783                         if (index >= 0) {
 784                                 gchar *index_str = g_strdup_printf("%d", index);
 785                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 786                                 g_free (index_str);
 787                         }
 788                 }
 789         }
 790 }
 791
 792 TnyList *
 793 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 794 {
 795         ModestAttachmentsViewPrivate *priv;
 796         TnyList *selection;
 797         GList *node;
 798
 799         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 800         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 801
 802         selection = tny_simple_list_new ();
 803         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 804                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 805                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 806                 tny_list_append (selection, (GObject *) part);
 807                 g_object_unref (part);
 808         }
 809
 810         return selection;
 811 }
 812
 813 TnyList *
 814 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 815 {
 816         ModestAttachmentsViewPrivate *priv;
 817         TnyList *att_list;
 818         GList *children, *node= NULL;
 819
 820         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 821         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 822
 823         att_list = TNY_LIST (tny_simple_list_new ());
 824
 825         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 826         for (node = children; node != NULL; node = g_list_next (node)) {
 827                 GtkWidget *att_view = GTK_WIDGET (node->data);
 828                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 829                 tny_list_append (att_list, (GObject *) mime_part);
 830                 g_object_unref (mime_part);
 831         }
 832         g_list_free (children);
 833         return att_list;
 834
 835 }
 836
 837 void
 838 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 839 {
 840         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 841         GList *children = NULL;
 842         GList *node = NULL;
 843
 844         unselect_all (atts_view);
 845
 846         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 847         g_list_free (priv->selected);
 848         priv->selected = NULL;
 849
 850         for (node = children; node != NULL; node = g_list_next (node)) {
 851                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 852                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 853
 854                 /* Do not select purged attachments */
 855                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 856                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 857                         priv->selected = g_list_append (priv->selected, node->data);
 858                 }
 859                 g_object_unref (mime_part);
 860         }
 861         g_list_free (children);
 862
 863         own_clipboard (atts_view);
 864 }
 865
 866 gboolean
 867 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 868 {
 869         ModestAttachmentsViewPrivate *priv;
 870         GList *children;
 871         gboolean result;
 872
 873         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 874         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 875
 876         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 877         result = (children != NULL);
 878         g_list_free (children);
 879
 880         return result;
 881 }
 882
 883 void
 884 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 885                                    gint *attachments_count,
 886                                    guint64 *attachments_size)
 887 {
 888         ModestAttachmentsViewPrivate *priv;
 889         GList *children, *node;
 890
 891         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 892         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 893
 894         *attachments_count = 0;
 895         *attachments_size = 0;
 896
 897         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 898
 899         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 900         for (node = children; node != NULL; node = g_list_next (node)) {
 901                 GtkWidget *att_view = (GtkWidget *) node->data;
 902                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 903
 904                 if (!tny_mime_part_is_purged (part)) {
 905                         guint64 size;
 906                         (*attachments_count) ++;
 907                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 908                         if (size == 0) {
 909                                 /* we do a random estimation of the size of an attachment */
 910                                 size = 32768;
 911                         }
 912                         *attachments_size += size;
 913
 914                 }
 915                 g_object_unref (part);
 916         }
 917         g_list_free (children);
 918 }
 919
 920 static void
 921 own_clipboard (ModestAttachmentsView *atts_view)
 922 {
 923         GtkTargetEntry targets[] = {
 924                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 925         };
 926
 927         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 928                                       targets, G_N_ELEMENTS (targets),
 929                                       clipboard_get, NULL, G_OBJECT(atts_view));
 930
 931 }
 932
 933 static gboolean
 934 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 935 {
 936         if (!gtk_widget_is_focus (widget))
 937                 unselect_all (atts_view);
 938
 939         return FALSE;
 940 }
 941
 942 static gboolean
 943 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 944 {
 945         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 946         GList *children = NULL;
 947         GtkWidget *toplevel = NULL;
 948
 949         toplevel = gtk_widget_get_toplevel (widget);
 950         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 951                 return FALSE;
 952
 953         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 954         if (children != NULL) {
 955                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 956         }
 957         g_list_free (children);
 958
 959         return FALSE;
 960 }