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
  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         ModestAttachmentsViewStyle style;
  62 };
  63
  64 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  65         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  66
  67 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  68 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  69 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  70 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  71 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  72 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  73 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  74                                           gdouble x, gdouble y);
  75 static void unselect_all (ModestAttachmentsView *atts_view);
  76 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  77 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  78 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  79                            guint info, 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
 105 void
 106 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 107 {
 108         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 109         TnyList *parts;
 110         TnyIterator *iter;
 111         gchar *msg_content_type = NULL;
 112
 113         if (msg == priv->msg) return;
 114
 115         if (priv->msg)
 116                 g_object_unref (priv->msg);
 117         if (msg)
 118                 g_object_ref (G_OBJECT(msg));
 119
 120         priv->msg = msg;
 121
 122         g_list_free (priv->selected);
 123         priv->selected = NULL;
 124
 125         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 126
 127         if (priv->msg == NULL) {
 128                 return;
 129         }
 130
 131         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 132          * embedded images in body */
 133         msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 134         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 135                 gchar *header_content_type;
 136                 gboolean application_multipart = FALSE;
 137
 138                 g_free (msg_content_type);
 139
 140                 header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (priv->msg));
 141
 142                 if ((header_content_type != NULL) &&
 143                     !strstr (header_content_type, "application/")) {
 144                         application_multipart = TRUE;
 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                 gboolean direct_attach;
 154
 155                 direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
 156                                  !g_str_has_prefix (msg_content_type, "multipart") &&
 157                                  !g_str_has_prefix (msg_content_type, "text/"));
 158
 159                 g_free (msg_content_type);
 160
 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         gtk_widget_queue_resize (GTK_WIDGET (attachments_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                 gtk_widget_destroy (GTK_WIDGET (found_att_view));
 251
 252                 node = g_list_find (priv->selected, found_att_view);
 253                 if (node != NULL) {
 254                         priv->selected = g_list_delete_link (priv->selected, node);
 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         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 264 }
 265
 266 void
 267 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 268 {
 269         ModestAttachmentsViewPrivate *priv = NULL;
 270         GList *box_children = NULL, *node = NULL;
 271
 272         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 273         g_return_if_fail (att_id != NULL);
 274
 275         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 276         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 277
 278         for (node = box_children; node != NULL; node = g_list_next (node)) {
 279                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 280                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 281                 const gchar *mime_part_id = NULL;
 282
 283                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 284                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 285                         gtk_widget_destroy (GTK_WIDGET (att_view));
 286                         priv->selected = g_list_remove (priv->selected, att_view);
 287                 }
 288
 289                 g_object_unref (cur_mime_part);
 290         }
 291
 292         own_clipboard (atts_view);
 293
 294         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 295 }
 296
 297 static void
 298 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 299 {
 300         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 301
 302         priv->msg = NULL;
 303         priv->box = gtk_vbox_new (FALSE, 0);
 304         priv->rubber_start = NULL;
 305         priv->selected = NULL;
 306         priv->style = MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE;
 307
 308         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 309         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 310
 311         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 312         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 313         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 314         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 315         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 316         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 317
 318         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 319
 320         return;
 321 }
 322
 323 static void
 324 modest_attachments_view_finalize (GObject *object)
 325 {
 326         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 327
 328         if (priv->msg) {
 329                 g_object_unref (priv->msg);
 330                 priv->msg = NULL;
 331         }
 332
 333         (*parent_class->finalize) (object);
 334
 335         return;
 336 }
 337
 338 static void
 339 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 340 {
 341         GObjectClass *object_class;
 342         GtkWidgetClass *widget_class;
 343
 344         parent_class = g_type_class_peek_parent (klass);
 345         object_class = (GObjectClass*) klass;
 346         widget_class = GTK_WIDGET_CLASS (klass);
 347
 348         object_class->finalize = modest_attachments_view_finalize;
 349
 350         klass->activate = NULL;
 351
 352         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 353
 354         signals[ACTIVATE_SIGNAL] =
 355                 g_signal_new ("activate",
 356                               G_TYPE_FROM_CLASS (object_class),
 357                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 358                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 359                               NULL, NULL,
 360                               g_cclosure_marshal_VOID__OBJECT,
 361                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 362
 363         signals[DELETE_SIGNAL] =
 364                 g_signal_new ("delete",
 365                               G_TYPE_FROM_CLASS (object_class),
 366                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 367                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 368                               NULL, NULL,
 369                               g_cclosure_marshal_VOID__VOID,
 370                               G_TYPE_NONE, 0);
 371
 372         return;
 373 }
 374
 375 GType
 376 modest_attachments_view_get_type (void)
 377 {
 378         static GType type = 0;
 379
 380         if (G_UNLIKELY(type == 0))
 381         {
 382                 static const GTypeInfo info =
 383                 {
 384                   sizeof (ModestAttachmentsViewClass),
 385                   NULL,   /* base_init */
 386                   NULL,   /* base_finalize */
 387                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 388                   NULL,   /* class_finalize */
 389                   NULL,   /* class_data */
 390                   sizeof (ModestAttachmentsView),
 391                   0,      /* n_preallocs */
 392                   modest_attachments_view_instance_init    /* instance_init */
 393                 };
 394
 395                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 396                         "ModestAttachmentsView",
 397                         &info, 0);
 398
 399         }
 400
 401         return type;
 402 }
 403
 404 /* buttons signal events */
 405 static gboolean
 406 button_press_event (GtkWidget *widget,
 407                     GdkEventButton *event,
 408                     ModestAttachmentsView *atts_view)
 409 {
 410         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 411         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE &&
 412             !GTK_WIDGET_HAS_FOCUS (widget))
 413                 gtk_widget_grab_focus (widget);
 414
 415         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 416                 GtkWidget *att_view = NULL;
 417
 418                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 419                                                    (gint) event->x_root, (gint) event->y_root);
 420
 421                 if (att_view != NULL) {
 422                         if ((priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) ||
 423                             (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2))) {
 424                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 425                                 if (TNY_IS_MIME_PART (mime_part)) {
 426                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 427                                         g_object_unref (mime_part);
 428                                 }
 429                         } else {
 430                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 431
 432                                 /* Do not select purged attachments */
 433                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 434                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 435                                         priv->rubber_start = att_view;
 436                                         gtk_grab_add (widget);
 437                                 }
 438                                 g_object_unref (mime_part);
 439                         }
 440                 }
 441         }
 442         return TRUE;
 443
 444 }
 445
 446 static gboolean
 447 button_release_event (GtkWidget *widget,
 448                       GdkEventButton *event,
 449                       ModestAttachmentsView *atts_view)
 450 {
 451         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 452         if (widget == gtk_grab_get_current ()) {
 453                 GtkWidget *att_view = NULL;
 454
 455                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 456                                                    (gint) event->x_root, (gint) event->y_root);
 457
 458                 if (att_view != NULL) {
 459                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 460                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 461                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 462                                       MODEST_ATTACHMENT_VIEW (att_view));
 463                 }
 464                 priv->rubber_start = NULL;
 465                 gtk_grab_remove (widget);
 466         }
 467         return TRUE;
 468 }
 469
 470 static gboolean
 471 motion_notify_event (GtkWidget *widget,
 472                      GdkEventMotion *event,
 473                      ModestAttachmentsView *atts_view)
 474 {
 475         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 476         if (gtk_grab_get_current () == widget) {
 477                 GtkWidget *att_view = NULL;
 478
 479                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 480                                                    (gint) event->x_root, (gint) event->y_root);
 481
 482                 if (att_view != NULL) {
 483                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 484                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 485                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 486                                       MODEST_ATTACHMENT_VIEW (att_view));
 487                 }
 488         }
 489         return TRUE;
 490 }
 491
 492 static GList*
 493 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 494 {
 495         GList *tmp = NULL;
 496         gboolean is_valid;
 497
 498         if (!include_this) {
 499                 if (prev) {
 500                         tmp = g_list_previous (list);
 501                 } else {
 502                         tmp = g_list_next (list);
 503                 }
 504         } else {
 505                 tmp = list;
 506         }
 507
 508         if (!tmp)
 509                 return NULL;
 510
 511         do {
 512                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 513                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 514
 515                 /* Do not select purged attachments */
 516                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 517                         is_valid = TRUE;
 518                 } else {
 519                         if (prev)
 520                                 tmp = g_list_previous (tmp);
 521                         else
 522                                 tmp = g_list_next (tmp);
 523                         is_valid = FALSE;
 524                 }
 525                 g_object_unref (mime_part);
 526         } while (!is_valid && tmp);
 527
 528         return tmp;
 529 }
 530
 531
 532 static gboolean
 533 key_press_event (GtkWidget *widget,
 534                  GdkEventKey *event,
 535                  ModestAttachmentsView *atts_view)
 536 {
 537         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 538
 539         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 540         if (gtk_grab_get_current () == widget) {
 541                 if (event->keyval == GDK_Escape) {
 542                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 543                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 544                         priv->rubber_start = NULL;
 545                         gtk_grab_remove (widget);
 546                         return TRUE;
 547                 }
 548                 return FALSE;
 549         }
 550
 551         if (event->keyval == GDK_Up) {
 552                 ModestAttachmentView *current_sel = NULL;
 553                 gboolean move_out = FALSE;
 554                 GList * box_children, *new_sel, *first_child;
 555
 556                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 557                 if (box_children == NULL) {
 558                         move_out = TRUE;
 559                 } else {
 560                         first_child = box_children;
 561                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 562                         if (priv->selected != NULL && first_child != NULL) {
 563                                 if (priv->selected->data != first_child->data)
 564                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 565                                 else
 566                                         move_out = TRUE;
 567                         } else {
 568                                 move_out = TRUE;
 569                         }
 570                 }
 571
 572                 if (move_out) {
 573                         GtkWidget *toplevel = NULL;
 574                         /* move cursor outside */
 575                         toplevel = gtk_widget_get_toplevel (widget);
 576                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 577                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 578                         unselect_all (atts_view);
 579                 } else {
 580                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 581                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 582                         /* We assume that we detected properly that
 583                            there is a not purge attachment so we don't
 584                            need to check NULL */
 585                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 586                 }
 587                 g_list_free (box_children);
 588                 return TRUE;
 589         }
 590
 591         if (event->keyval == GDK_Down) {
 592                 ModestAttachmentView *current_sel = NULL;
 593                 gboolean move_out = FALSE;
 594                 GList * box_children, *new_sel, *last_child = NULL;
 595
 596                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 597
 598                 if (box_children == NULL) {
 599                         move_out = TRUE;
 600                 } else {
 601                         last_child = g_list_last (box_children);
 602                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 603                         if (priv->selected != NULL && last_child != NULL) {
 604                                 GList *last_selected = g_list_last (priv->selected);
 605                                 if (last_selected->data != last_child->data)
 606                                         current_sel = (ModestAttachmentView *) last_selected->data;
 607                                 else
 608                                         move_out = TRUE;
 609                         } else {
 610                                 move_out = TRUE;
 611                         }
 612                 }
 613
 614                 if (move_out) {
 615                         GtkWidget *toplevel = NULL;
 616                         /* move cursor outside */
 617                         toplevel = gtk_widget_get_toplevel (widget);
 618                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 619                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 620                         unselect_all (atts_view);
 621                 } else {
 622                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 623                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 624                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 625                 }
 626                 g_list_free (box_children);
 627                 return TRUE;
 628         }
 629
 630         if (event->keyval == GDK_BackSpace) {
 631                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 632                 return TRUE;
 633         }
 634
 635         /* Activates selected item */
 636         if (g_list_length (priv->selected) == 1) {
 637                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 638                 if ((event->keyval == GDK_Return)) {
 639                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 640                         if (TNY_IS_MIME_PART (mime_part)) {
 641                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 642                                 g_object_unref (mime_part);
 643                         }
 644                         return TRUE;
 645                 }
 646         }
 647
 648         return FALSE;
 649 }
 650
 651
 652 static GtkWidget *
 653 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 654                         gdouble x, gdouble y)
 655 {
 656         ModestAttachmentsViewPrivate *priv = NULL;
 657         GList *att_view_list, *node;
 658         GtkWidget *result = NULL;
 659
 660         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 661         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 662
 663         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 664                 GtkWidget *att_view = (GtkWidget *) node->data;
 665                 gint pos_x, pos_y, w, h, int_x, int_y;
 666                 gint widget_x, widget_y;
 667
 668                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 669
 670                 pos_x = widget_x;
 671                 pos_y = widget_y;
 672                 w = att_view->allocation.width;
 673                 h = att_view->allocation.height;
 674
 675                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 676                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 677
 678                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 679                         result = att_view;
 680                         break;
 681                 }
 682         }
 683
 684         g_list_free (att_view_list);
 685         return result;
 686 }
 687
 688 static void
 689 unselect_all (ModestAttachmentsView *atts_view)
 690 {
 691         ModestAttachmentsViewPrivate *priv = NULL;
 692         GList *att_view_list, *node;
 693
 694         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 695         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 696
 697         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 698                 GtkWidget *att_view = (GtkWidget *) node->data;
 699
 700                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 701                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 702         }
 703
 704         g_list_free (priv->selected);
 705         priv->selected = NULL;
 706
 707         g_list_free (att_view_list);
 708 }
 709
 710 static void
 711 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 712 {
 713         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 714         TnyMimePart *part;
 715
 716         unselect_all (atts_view);
 717         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 718
 719         g_list_free (priv->selected);
 720         priv->selected = NULL;
 721         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 722                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 723                 priv->selected = g_list_append (priv->selected, att_view);
 724         }
 725         if (part)
 726                 g_object_unref (part);
 727
 728         own_clipboard (atts_view);
 729 }
 730
 731 static void
 732 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 733 {
 734         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 735         GList *children = NULL;
 736         GList *node = NULL;
 737         gboolean selecting = FALSE;
 738         TnyMimePart *part;
 739
 740         unselect_all (atts_view);
 741
 742         if (att1 == att2) {
 743                 set_selected (atts_view, att1);
 744                 return;
 745         }
 746
 747         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 748         g_list_free (priv->selected);
 749         priv->selected = NULL;
 750
 751
 752         for (node = children; node != NULL; node = g_list_next (node)) {
 753                 if ((node->data == att1) || (node->data == att2)) {
 754                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 755                         if (!tny_mime_part_is_purged (part)) {
 756                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 757                                 priv->selected = g_list_append (priv->selected, node->data);
 758                         }
 759                         g_object_unref (part);
 760                         selecting = !selecting;
 761                 } else if (selecting) {
 762                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 763                         if (!tny_mime_part_is_purged (part)) {
 764                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 765                                 priv->selected = g_list_append (priv->selected, node->data);
 766                         }
 767                         g_object_unref (part);
 768                 }
 769
 770         }
 771         g_list_free (children);
 772
 773         own_clipboard (atts_view);
 774 }
 775
 776 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 777                            guint info, gpointer userdata)
 778 {
 779         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 780         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 781
 782         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 783                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 784                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 785                          * use an internal index. This index is simply the index of the attachment in the vbox */
 786                         GList *box_children = NULL;
 787                         gint index;
 788                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 789                         index = g_list_index (box_children, priv->selected);
 790                         if (index >= 0) {
 791                                 gchar *index_str = g_strdup_printf("%d", index);
 792                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 793                                 g_free (index_str);
 794                         }
 795                 }
 796         }
 797 }
 798
 799 TnyList *
 800 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 801 {
 802         ModestAttachmentsViewPrivate *priv;
 803         TnyList *selection;
 804         GList *node;
 805
 806         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 807         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 808
 809         selection = tny_simple_list_new ();
 810         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 811                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 812                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 813                 tny_list_append (selection, (GObject *) part);
 814                 g_object_unref (part);
 815         }
 816
 817         return selection;
 818 }
 819
 820 TnyList *
 821 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 822 {
 823         ModestAttachmentsViewPrivate *priv;
 824         TnyList *att_list;
 825         GList *children, *node= NULL;
 826
 827         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 828         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 829
 830         att_list = TNY_LIST (tny_simple_list_new ());
 831
 832         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 833         for (node = children; node != NULL; node = g_list_next (node)) {
 834                 GtkWidget *att_view = GTK_WIDGET (node->data);
 835                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 836                 tny_list_append (att_list, (GObject *) mime_part);
 837                 g_object_unref (mime_part);
 838         }
 839         g_list_free (children);
 840         return att_list;
 841
 842 }
 843
 844 void
 845 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 846 {
 847         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 848         GList *children = NULL;
 849         GList *node = NULL;
 850
 851         unselect_all (atts_view);
 852
 853         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS)
 854                 return;
 855
 856         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 857         g_list_free (priv->selected);
 858         priv->selected = NULL;
 859
 860         for (node = children; node != NULL; node = g_list_next (node)) {
 861                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 862                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 863
 864                 /* Do not select purged attachments */
 865                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 866                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 867                         priv->selected = g_list_append (priv->selected, node->data);
 868                 }
 869                 g_object_unref (mime_part);
 870         }
 871         g_list_free (children);
 872
 873         own_clipboard (atts_view);
 874 }
 875
 876 gboolean
 877 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 878 {
 879         ModestAttachmentsViewPrivate *priv;
 880         GList *children;
 881         gboolean result;
 882
 883         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 884         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 885
 886         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 887         result = (children != NULL);
 888         g_list_free (children);
 889
 890         return result;
 891 }
 892
 893 void
 894 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 895                                    gint *attachments_count,
 896                                    guint64 *attachments_size)
 897 {
 898         ModestAttachmentsViewPrivate *priv;
 899         GList *children, *node;
 900
 901         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 902         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 903
 904         *attachments_count = 0;
 905         *attachments_size = 0;
 906
 907         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 908
 909         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 910         for (node = children; node != NULL; node = g_list_next (node)) {
 911                 GtkWidget *att_view = (GtkWidget *) node->data;
 912                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 913
 914                 if (!tny_mime_part_is_purged (part)) {
 915                         guint64 size;
 916                         (*attachments_count) ++;
 917                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 918                         if (size == 0) {
 919                                 /* we do a random estimation of the size of an attachment */
 920                                 size = 32768;
 921                         }
 922                         *attachments_size += size;
 923
 924                 }
 925                 g_object_unref (part);
 926         }
 927         g_list_free (children);
 928 }
 929
 930 static void
 931 own_clipboard (ModestAttachmentsView *atts_view)
 932 {
 933         GtkTargetEntry targets[] = {
 934                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 935         };
 936
 937         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 938                                       targets, G_N_ELEMENTS (targets),
 939                                       clipboard_get, NULL, G_OBJECT(atts_view));
 940
 941 }
 942
 943 static gboolean
 944 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 945 {
 946         if (!gtk_widget_is_focus (widget))
 947                 unselect_all (atts_view);
 948
 949         return FALSE;
 950 }
 951
 952 static gboolean
 953 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 954 {
 955         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 956         GList *children = NULL;
 957         GtkWidget *toplevel = NULL;
 958
 959         toplevel = gtk_widget_get_toplevel (widget);
 960         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 961                 return FALSE;
 962
 963         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 964         if (children != NULL) {
 965                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 966         }
 967         g_list_free (children);
 968
 969         return FALSE;
 970 }
 971
 972 void
 973 modest_attachments_view_set_style (ModestAttachmentsView *self,
 974                                    ModestAttachmentsViewStyle style)
 975 {
 976         ModestAttachmentsViewPrivate *priv;
 977
 978         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (self));
 979         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (self);
 980
 981         if (priv->style != style) {
 982                 priv->style = style;
 983                 gtk_widget_queue_draw (GTK_WIDGET (self));
 984                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) {
 985                         GTK_WIDGET_UNSET_FLAGS (self, GTK_CAN_FOCUS);
 986                 } else {
 987                         GTK_WIDGET_SET_FLAGS (self, GTK_CAN_FOCUS);
 988                 }
 989
 990         }
 991 }