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

   1 /* Copyright (c) 2007, 2009, 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 #include <modest-tny-msg.h>
  44
  45 static GObjectClass *parent_class = NULL;
  46
  47 /* signals */
  48 enum {
  49         ACTIVATE_SIGNAL,
  50         DELETE_SIGNAL,
  51         LAST_SIGNAL
  52 };
  53
  54 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  55
  56 struct _ModestAttachmentsViewPrivate
  57 {
  58         TnyMsg *msg;
  59         GtkWidget *box;
  60         GList *selected;
  61         GtkWidget *rubber_start;
  62         ModestAttachmentsViewStyle style;
  63 };
  64
  65 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  66         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  67
  68 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  69 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  70 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  71 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  72 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  73 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  74 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  75                                           gdouble x, gdouble y);
  76 static void unselect_all (ModestAttachmentsView *atts_view);
  77 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  78 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  79 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  80                            guint info, gpointer userdata);
  81 static void own_clipboard (ModestAttachmentsView *atts_view);
  82
  83 static guint signals[LAST_SIGNAL] = {0};
  84
  85 /**
  86  * modest_attachments_view_new:
  87  * @msg: a #TnyMsg
  88  *
  89  * Constructor for attachments view widget.
  90  *
  91  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  92  **/
  93 GtkWidget*
  94 modest_attachments_view_new (TnyMsg *msg)
  95 {
  96         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  97                                                     "resize-mode", GTK_RESIZE_PARENT,
  98                                                     NULL);
  99
 100         modest_attachments_view_set_message (self, msg);
 101
 102         return GTK_WIDGET (self);
 103 }
 104
 105
 106 void
 107 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 108 {
 109         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 110         TnyList *parts;
 111         TnyIterator *iter;
 112         gchar *msg_content_type = NULL;
 113         TnyMimePart *part_to_check;
 114
 115         if (msg == priv->msg) return;
 116
 117         if (priv->msg)
 118                 g_object_unref (priv->msg);
 119         if (msg)
 120                 g_object_ref (G_OBJECT(msg));
 121
 122         priv->msg = msg;
 123
 124         g_list_free (priv->selected);
 125         priv->selected = NULL;
 126
 127         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 128
 129         if (priv->msg == NULL) {
 130                 return;
 131         }
 132
 133         part_to_check = modest_tny_msg_get_attachments_parent (TNY_MSG (msg));
 134
 135         msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (part_to_check));
 136
 137         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 138          * embedded images in body */
 139         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 140                 gchar *header_content_type;
 141                 gboolean application_multipart = FALSE;
 142
 143                 g_free (msg_content_type);
 144
 145                 header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (part_to_check));
 146
 147                 if ((header_content_type != NULL) &&
 148                     !strstr (header_content_type, "application/")) {
 149                         application_multipart = TRUE;
 150                 }
 151                 g_free (header_content_type);
 152
 153                 if (application_multipart) {
 154                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 155                         g_object_unref (part_to_check);
 156                         return;
 157                 }
 158         } else {
 159                 gboolean direct_attach;
 160
 161                 direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
 162                                  !g_str_has_prefix (msg_content_type, "multipart") &&
 163                                  !g_str_has_prefix (msg_content_type, "text/"));
 164
 165                 g_free (msg_content_type);
 166
 167                 if (direct_attach) {
 168                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (part_to_check), TRUE, 0);
 169                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 170                         g_object_unref (part_to_check);
 171                         return;
 172                 }
 173         }
 174
 175         parts = TNY_LIST (tny_simple_list_new ());
 176         tny_mime_part_get_parts (TNY_MIME_PART (part_to_check), parts);
 177         iter = tny_list_create_iterator (parts);
 178
 179         while (!tny_iterator_is_done (iter)) {
 180                 TnyMimePart *part;
 181
 182                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 183
 184                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 185                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 186
 187                 if (part)
 188                         g_object_unref (part);
 189
 190                 tny_iterator_next (iter);
 191         }
 192         g_object_unref (iter);
 193         g_object_unref (parts);
 194         g_object_unref (part_to_check);
 195
 196
 197         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 198
 199 }
 200
 201 void
 202 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 203                                         gboolean detect_size, guint64 size)
 204 {
 205         GtkWidget *att_view = NULL;
 206         ModestAttachmentsViewPrivate *priv = NULL;
 207
 208         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 209         g_return_if_fail (TNY_IS_MIME_PART (part));
 210
 211         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 212
 213         att_view = modest_attachment_view_new (part, detect_size);
 214         if (!detect_size)
 215                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 216         gtk_box_pack_start (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 217         gtk_widget_show_all (att_view);
 218         gtk_widget_queue_resize (GTK_WIDGET (attachments_view));
 219 }
 220
 221 void
 222 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 223 {
 224         ModestAttachmentsViewPrivate *priv = NULL;
 225         GList *box_children = NULL, *node = NULL;
 226         ModestAttachmentView *found_att_view = NULL;
 227
 228         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 229         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 230
 231         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 232         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 233
 234         for (node = box_children; node != NULL; node = g_list_next (node)) {
 235                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 236                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 237
 238                 if (mime_part == cur_mime_part)
 239                         found_att_view = att_view;
 240
 241                 g_object_unref (cur_mime_part);
 242
 243                 if (found_att_view != NULL)
 244                         break;
 245         }
 246
 247         if (found_att_view) {
 248                 GList *node = NULL;
 249                 GtkWidget *next_widget = NULL;
 250                 GList *box_children = NULL;
 251
 252                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 253                 node = g_list_find (box_children, found_att_view);
 254                 if (node && node->next)
 255                         next_widget = node->next->data;
 256
 257                 g_list_free (box_children);
 258                 gtk_widget_destroy (GTK_WIDGET (found_att_view));
 259
 260                 node = g_list_find (priv->selected, found_att_view);
 261                 if (node) {
 262                         priv->selected = g_list_delete_link (priv->selected, node);
 263                         if ((priv->selected == NULL) && (next_widget != NULL))
 264                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 265                                               MODEST_ATTACHMENT_VIEW (next_widget));
 266                 }
 267                 own_clipboard (atts_view);
 268
 269         }
 270
 271         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 272 }
 273
 274 void
 275 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 276 {
 277         ModestAttachmentsViewPrivate *priv = NULL;
 278         GList *box_children = NULL, *node = NULL;
 279
 280         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 281         g_return_if_fail (att_id != NULL);
 282
 283         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 284         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 285
 286         for (node = box_children; node != NULL; node = g_list_next (node)) {
 287                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 288                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 289                 const gchar *mime_part_id = NULL;
 290
 291                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 292                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 293                         gtk_widget_destroy (GTK_WIDGET (att_view));
 294                         priv->selected = g_list_remove (priv->selected, att_view);
 295                 }
 296
 297                 g_object_unref (cur_mime_part);
 298         }
 299
 300         own_clipboard (atts_view);
 301
 302         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 303 }
 304
 305 static void
 306 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 307 {
 308         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 309
 310         priv->msg = NULL;
 311         priv->box = gtk_vbox_new (FALSE, 0);
 312         priv->rubber_start = NULL;
 313         priv->selected = NULL;
 314         priv->style = MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE;
 315
 316         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 317         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 318
 319         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 320         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 321         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 322         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 323         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 324         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 325
 326         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 327
 328         return;
 329 }
 330
 331 static void
 332 modest_attachments_view_finalize (GObject *object)
 333 {
 334         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 335
 336         if (priv->msg) {
 337                 g_object_unref (priv->msg);
 338                 priv->msg = NULL;
 339         }
 340
 341         (*parent_class->finalize) (object);
 342
 343         return;
 344 }
 345
 346 static void
 347 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 348 {
 349         GObjectClass *object_class;
 350         GtkWidgetClass *widget_class;
 351
 352         parent_class = g_type_class_peek_parent (klass);
 353         object_class = (GObjectClass*) klass;
 354         widget_class = GTK_WIDGET_CLASS (klass);
 355
 356         object_class->finalize = modest_attachments_view_finalize;
 357
 358         klass->activate = NULL;
 359
 360         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 361
 362         signals[ACTIVATE_SIGNAL] =
 363                 g_signal_new ("activate",
 364                               G_TYPE_FROM_CLASS (object_class),
 365                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 366                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 367                               NULL, NULL,
 368                               g_cclosure_marshal_VOID__OBJECT,
 369                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 370
 371         signals[DELETE_SIGNAL] =
 372                 g_signal_new ("delete",
 373                               G_TYPE_FROM_CLASS (object_class),
 374                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 375                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 376                               NULL, NULL,
 377                               g_cclosure_marshal_VOID__VOID,
 378                               G_TYPE_NONE, 0);
 379
 380         return;
 381 }
 382
 383 GType
 384 modest_attachments_view_get_type (void)
 385 {
 386         static GType type = 0;
 387
 388         if (G_UNLIKELY(type == 0))
 389         {
 390                 static const GTypeInfo info =
 391                 {
 392                   sizeof (ModestAttachmentsViewClass),
 393                   NULL,   /* base_init */
 394                   NULL,   /* base_finalize */
 395                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 396                   NULL,   /* class_finalize */
 397                   NULL,   /* class_data */
 398                   sizeof (ModestAttachmentsView),
 399                   0,      /* n_preallocs */
 400                   modest_attachments_view_instance_init    /* instance_init */
 401                 };
 402
 403                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 404                         "ModestAttachmentsView",
 405                         &info, 0);
 406
 407         }
 408
 409         return type;
 410 }
 411
 412 /* buttons signal events */
 413 static gboolean
 414 button_press_event (GtkWidget *widget,
 415                     GdkEventButton *event,
 416                     ModestAttachmentsView *atts_view)
 417 {
 418         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 419         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE &&
 420             !GTK_WIDGET_HAS_FOCUS (widget))
 421                 gtk_widget_grab_focus (widget);
 422
 423         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 424                 GtkWidget *att_view = NULL;
 425
 426                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 427                                                    (gint) event->x_root, (gint) event->y_root);
 428
 429                 if (att_view != NULL) {
 430                         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
 431                                 unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 432                         } else if ((priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) ||
 433                             (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2))) {
 434                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 435                                 if (TNY_IS_MIME_PART (mime_part)) {
 436                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 437                                         g_object_unref (mime_part);
 438                                 }
 439                         } else {
 440                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 441
 442                                 /* Do not select purged attachments */
 443                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 444                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 445                                         priv->rubber_start = att_view;
 446                                         gtk_grab_add (widget);
 447                                 }
 448                                 g_object_unref (mime_part);
 449                         }
 450                 }
 451         }
 452         return TRUE;
 453
 454 }
 455
 456 static gboolean
 457 button_release_event (GtkWidget *widget,
 458                       GdkEventButton *event,
 459                       ModestAttachmentsView *atts_view)
 460 {
 461         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 462         if (widget == gtk_grab_get_current ()) {
 463                 GtkWidget *att_view = NULL;
 464
 465                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 466                                                    (gint) event->x_root, (gint) event->y_root);
 467
 468                 if (att_view != NULL) {
 469                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 470                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 471                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 472                                       MODEST_ATTACHMENT_VIEW (att_view));
 473                 }
 474                 priv->rubber_start = NULL;
 475                 gtk_grab_remove (widget);
 476         }
 477         return TRUE;
 478 }
 479
 480 static gboolean
 481 motion_notify_event (GtkWidget *widget,
 482                      GdkEventMotion *event,
 483                      ModestAttachmentsView *atts_view)
 484 {
 485         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 486         if (gtk_grab_get_current () == widget) {
 487                 GtkWidget *att_view = NULL;
 488
 489                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 490                                                    (gint) event->x_root, (gint) event->y_root);
 491
 492                 if (att_view != NULL) {
 493                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 494                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 495                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 496                                       MODEST_ATTACHMENT_VIEW (att_view));
 497                 }
 498         }
 499         return TRUE;
 500 }
 501
 502 static GList*
 503 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 504 {
 505         GList *tmp = NULL;
 506         gboolean is_valid;
 507
 508         if (!include_this) {
 509                 if (prev) {
 510                         tmp = g_list_previous (list);
 511                 } else {
 512                         tmp = g_list_next (list);
 513                 }
 514         } else {
 515                 tmp = list;
 516         }
 517
 518         if (!tmp)
 519                 return NULL;
 520
 521         do {
 522                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 523                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 524
 525                 /* Do not select purged attachments */
 526                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 527                         is_valid = TRUE;
 528                 } else {
 529                         if (prev)
 530                                 tmp = g_list_previous (tmp);
 531                         else
 532                                 tmp = g_list_next (tmp);
 533                         is_valid = FALSE;
 534                 }
 535                 g_object_unref (mime_part);
 536         } while (!is_valid && tmp);
 537
 538         return tmp;
 539 }
 540
 541
 542 static gboolean
 543 key_press_event (GtkWidget *widget,
 544                  GdkEventKey *event,
 545                  ModestAttachmentsView *atts_view)
 546 {
 547         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 548
 549         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
 550                 unselect_all (atts_view);
 551                 return FALSE;
 552         }
 553
 554         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 555         if (gtk_grab_get_current () == widget) {
 556                 if (event->keyval == GDK_Escape) {
 557                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 558                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 559                         priv->rubber_start = NULL;
 560                         gtk_grab_remove (widget);
 561                         return TRUE;
 562                 }
 563                 return FALSE;
 564         }
 565
 566         if (event->keyval == GDK_Up) {
 567                 ModestAttachmentView *current_sel = NULL;
 568                 gboolean move_out = FALSE;
 569                 GList * box_children, *new_sel, *first_child;
 570
 571                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 572                 if (box_children == NULL) {
 573                         move_out = TRUE;
 574                 } else {
 575                         first_child = box_children;
 576                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 577                         if (priv->selected != NULL && first_child != NULL) {
 578                                 if (priv->selected->data != first_child->data)
 579                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 580                                 else
 581                                         move_out = TRUE;
 582                         } else {
 583                                 move_out = TRUE;
 584                         }
 585                 }
 586
 587                 if (move_out) {
 588                         GtkWidget *toplevel = NULL;
 589                         /* move cursor outside */
 590                         toplevel = gtk_widget_get_toplevel (widget);
 591                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 592                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 593                         unselect_all (atts_view);
 594                 } else {
 595                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 596                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 597                         /* We assume that we detected properly that
 598                            there is a not purge attachment so we don't
 599                            need to check NULL */
 600                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 601                 }
 602                 g_list_free (box_children);
 603                 return TRUE;
 604         }
 605
 606         if (event->keyval == GDK_Down) {
 607                 ModestAttachmentView *current_sel = NULL;
 608                 gboolean move_out = FALSE;
 609                 GList * box_children, *new_sel, *last_child = NULL;
 610
 611                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 612
 613                 if (box_children == NULL) {
 614                         move_out = TRUE;
 615                 } else {
 616                         last_child = g_list_last (box_children);
 617                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 618                         if (priv->selected != NULL && last_child != NULL) {
 619                                 GList *last_selected = g_list_last (priv->selected);
 620                                 if (last_selected->data != last_child->data)
 621                                         current_sel = (ModestAttachmentView *) last_selected->data;
 622                                 else
 623                                         move_out = TRUE;
 624                         } else {
 625                                 move_out = TRUE;
 626                         }
 627                 }
 628
 629                 if (move_out) {
 630                         GtkWidget *toplevel = NULL;
 631                         /* move cursor outside */
 632                         toplevel = gtk_widget_get_toplevel (widget);
 633                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 634                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 635                         unselect_all (atts_view);
 636                 } else {
 637                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 638                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 639                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 640                 }
 641                 g_list_free (box_children);
 642                 return TRUE;
 643         }
 644
 645         if (event->keyval == GDK_BackSpace) {
 646                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 647                 return TRUE;
 648         }
 649
 650         /* Activates selected item */
 651         if (g_list_length (priv->selected) == 1) {
 652                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 653                 if ((event->keyval == GDK_Return)) {
 654                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 655                         if (TNY_IS_MIME_PART (mime_part)) {
 656                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 657                                 g_object_unref (mime_part);
 658                         }
 659                         return TRUE;
 660                 }
 661         }
 662
 663         return FALSE;
 664 }
 665
 666
 667 static GtkWidget *
 668 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 669                         gdouble x, gdouble y)
 670 {
 671         ModestAttachmentsViewPrivate *priv = NULL;
 672         GList *att_view_list, *node;
 673         GtkWidget *result = NULL;
 674
 675         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 676         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 677
 678         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 679                 GtkWidget *att_view = (GtkWidget *) node->data;
 680                 gint pos_x, pos_y, w, h, int_x, int_y;
 681                 gint widget_x, widget_y;
 682
 683                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 684
 685                 pos_x = widget_x;
 686                 pos_y = widget_y;
 687                 w = att_view->allocation.width;
 688                 h = att_view->allocation.height;
 689
 690                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 691                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 692
 693                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 694                         result = att_view;
 695                         break;
 696                 }
 697         }
 698
 699         g_list_free (att_view_list);
 700         return result;
 701 }
 702
 703 static void
 704 unselect_all (ModestAttachmentsView *atts_view)
 705 {
 706         ModestAttachmentsViewPrivate *priv = NULL;
 707         GList *att_view_list, *node;
 708
 709         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 710         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 711
 712         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 713                 GtkWidget *att_view = (GtkWidget *) node->data;
 714
 715                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 716                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 717         }
 718
 719         g_list_free (priv->selected);
 720         priv->selected = NULL;
 721
 722         g_list_free (att_view_list);
 723 }
 724
 725 static void
 726 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 727 {
 728         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 729         TnyMimePart *part;
 730
 731         unselect_all (atts_view);
 732         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 733
 734         g_list_free (priv->selected);
 735         priv->selected = NULL;
 736         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 737                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 738                 priv->selected = g_list_append (priv->selected, att_view);
 739         }
 740         if (part)
 741                 g_object_unref (part);
 742
 743         own_clipboard (atts_view);
 744 }
 745
 746 static void
 747 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 748 {
 749         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 750         GList *children = NULL;
 751         GList *node = NULL;
 752         gboolean selecting = FALSE;
 753         TnyMimePart *part;
 754
 755         unselect_all (atts_view);
 756
 757         if (att1 == att2) {
 758                 set_selected (atts_view, att1);
 759                 return;
 760         }
 761
 762         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 763         g_list_free (priv->selected);
 764         priv->selected = NULL;
 765
 766
 767         for (node = children; node != NULL; node = g_list_next (node)) {
 768                 if ((node->data == att1) || (node->data == att2)) {
 769                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 770                         if (!tny_mime_part_is_purged (part)) {
 771                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 772                                 priv->selected = g_list_append (priv->selected, node->data);
 773                         }
 774                         g_object_unref (part);
 775                         selecting = !selecting;
 776                 } else if (selecting) {
 777                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 778                         if (!tny_mime_part_is_purged (part)) {
 779                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 780                                 priv->selected = g_list_append (priv->selected, node->data);
 781                         }
 782                         g_object_unref (part);
 783                 }
 784
 785         }
 786         g_list_free (children);
 787
 788         own_clipboard (atts_view);
 789 }
 790
 791 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 792                            guint info, gpointer userdata)
 793 {
 794         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 795         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 796
 797         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 798                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 799                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 800                          * use an internal index. This index is simply the index of the attachment in the vbox */
 801                         GList *box_children = NULL;
 802                         gint index;
 803                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 804                         index = g_list_index (box_children, priv->selected);
 805                         if (index >= 0) {
 806                                 gchar *index_str = g_strdup_printf("%d", index);
 807                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 808                                 g_free (index_str);
 809                         }
 810                 }
 811         }
 812 }
 813
 814 TnyList *
 815 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 816 {
 817         ModestAttachmentsViewPrivate *priv;
 818         TnyList *selection;
 819         GList *node;
 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         selection = tny_simple_list_new ();
 825         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 826                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 827                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 828                 tny_list_append (selection, (GObject *) part);
 829                 g_object_unref (part);
 830         }
 831
 832         return selection;
 833 }
 834
 835 TnyList *
 836 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 837 {
 838         ModestAttachmentsViewPrivate *priv;
 839         TnyList *att_list;
 840         GList *children, *node= NULL;
 841
 842         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 843         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 844
 845         att_list = TNY_LIST (tny_simple_list_new ());
 846
 847         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 848         for (node = children; node != NULL; node = g_list_next (node)) {
 849                 GtkWidget *att_view = GTK_WIDGET (node->data);
 850                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 851                 tny_list_append (att_list, (GObject *) mime_part);
 852                 g_object_unref (mime_part);
 853         }
 854         g_list_free (children);
 855         return att_list;
 856
 857 }
 858
 859 void
 860 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 861 {
 862         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 863         GList *children = NULL;
 864         GList *node = NULL;
 865
 866         unselect_all (atts_view);
 867
 868         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS)
 869                 return;
 870
 871         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 872         g_list_free (priv->selected);
 873         priv->selected = NULL;
 874
 875         for (node = children; node != NULL; node = g_list_next (node)) {
 876                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 877                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 878
 879                 /* Do not select purged attachments */
 880                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 881                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 882                         priv->selected = g_list_append (priv->selected, node->data);
 883                 }
 884                 g_object_unref (mime_part);
 885         }
 886         g_list_free (children);
 887
 888         own_clipboard (atts_view);
 889 }
 890
 891 gboolean
 892 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 893 {
 894         ModestAttachmentsViewPrivate *priv;
 895         GList *children;
 896         gboolean result;
 897
 898         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 899         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 900
 901         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 902         result = (children != NULL);
 903         g_list_free (children);
 904
 905         return result;
 906 }
 907
 908 void
 909 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 910                                    gint *attachments_count,
 911                                    guint64 *attachments_size)
 912 {
 913         ModestAttachmentsViewPrivate *priv;
 914         GList *children, *node;
 915
 916         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 917         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 918
 919         *attachments_count = 0;
 920         *attachments_size = 0;
 921
 922         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 923
 924         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 925         for (node = children; node != NULL; node = g_list_next (node)) {
 926                 GtkWidget *att_view = (GtkWidget *) node->data;
 927                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 928
 929                 if (!tny_mime_part_is_purged (part)) {
 930                         guint64 size;
 931                         (*attachments_count) ++;
 932                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 933                         if (size == 0) {
 934                                 /* we do a random estimation of the size of an attachment */
 935                                 size = 32768;
 936                         }
 937                         *attachments_size += size;
 938
 939                 }
 940                 g_object_unref (part);
 941         }
 942         g_list_free (children);
 943 }
 944
 945 static void
 946 own_clipboard (ModestAttachmentsView *atts_view)
 947 {
 948         GtkTargetEntry targets[] = {
 949                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 950         };
 951
 952         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 953                                       targets, G_N_ELEMENTS (targets),
 954                                       clipboard_get, NULL, G_OBJECT(atts_view));
 955
 956 }
 957
 958 static gboolean
 959 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 960 {
 961         if (!gtk_widget_is_focus (widget))
 962                 unselect_all (atts_view);
 963
 964         return FALSE;
 965 }
 966
 967 static gboolean
 968 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 969 {
 970         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 971         GList *children = NULL;
 972         GtkWidget *toplevel = NULL;
 973
 974         toplevel = gtk_widget_get_toplevel (widget);
 975         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 976                 return FALSE;
 977
 978         if (priv->style != MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
 979                 children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 980                 if (children != NULL) {
 981                         set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 982                 }
 983                 g_list_free (children);
 984         }
 985
 986         return FALSE;
 987 }
 988
 989 void
 990 modest_attachments_view_set_style (ModestAttachmentsView *self,
 991                                    ModestAttachmentsViewStyle style)
 992 {
 993         ModestAttachmentsViewPrivate *priv;
 994
 995         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (self));
 996         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (self);
 997
 998         if (priv->style != style) {
 999                 priv->style = style;
1000                 gtk_widget_queue_draw (GTK_WIDGET (self));
1001                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE) {
1002                         GTK_WIDGET_SET_FLAGS (self, GTK_CAN_FOCUS);
1003                 } else {
1004                         GTK_WIDGET_UNSET_FLAGS (self, GTK_CAN_FOCUS);
1005                 }
1006
1007         }
1008 }