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

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <string.h>
  33 #include <gtk/gtk.h>
  34 #include <gdk/gdkkeysyms.h>
  35 #include <tny-list.h>
  36 #include <tny-simple-list.h>
  37
  38 #include <modest-platform.h>
  39 #include <modest-runtime.h>
  40 #include <modest-attachment-view.h>
  41 #include <modest-attachments-view.h>
  42 #include <modest-tny-mime-part.h>
  43
  44 static GObjectClass *parent_class = NULL;
  45
  46 /* signals */
  47 enum {
  48         ACTIVATE_SIGNAL,
  49         DELETE_SIGNAL,
  50         LAST_SIGNAL
  51 };
  52
  53 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  54
  55 struct _ModestAttachmentsViewPrivate
  56 {
  57         TnyMsg *msg;
  58         GtkWidget *box;
  59         GList *selected;
  60         GtkWidget *rubber_start;
  61 };
  62
  63 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  64         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  65
  66 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  67 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  68 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  69 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  70 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  71 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  72 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  73                                           gdouble x, gdouble y);
  74 static void unselect_all (ModestAttachmentsView *atts_view);
  75 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  76 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  77 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  78                            guint info, gpointer userdata);
  79 static void own_clipboard (ModestAttachmentsView *atts_view);
  80
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 /**
  84  * modest_attachments_view_new:
  85  * @msg: a #TnyMsg
  86  *
  87  * Constructor for attachments view widget.
  88  *
  89  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  90  **/
  91 GtkWidget*
  92 modest_attachments_view_new (TnyMsg *msg)
  93 {
  94         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  95                                                     "resize-mode", GTK_RESIZE_PARENT,
  96                                                     NULL);
  97
  98         modest_attachments_view_set_message (self, msg);
  99
 100         return GTK_WIDGET (self);
 101 }
 102
 103
 104 void
 105 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 106 {
 107         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 108         TnyList *parts;
 109         TnyIterator *iter;
 110         gchar *msg_content_type = NULL;
 111
 112         if (msg == priv->msg) return;
 113
 114         if (priv->msg)
 115                 g_object_unref (priv->msg);
 116         if (msg)
 117                 g_object_ref (G_OBJECT(msg));
 118
 119         priv->msg = msg;
 120
 121         g_list_free (priv->selected);
 122         priv->selected = NULL;
 123
 124         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 125
 126         if (priv->msg == NULL) {
 127                 return;
 128         }
 129
 130         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 131          * embedded images in body */
 132         msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 133         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 134                 gchar *header_content_type;
 135                 gboolean application_multipart = FALSE;
 136
 137                 g_free (msg_content_type);
 138
 139                 header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (priv->msg));
 140
 141                 if ((header_content_type != NULL) &&
 142                     !strstr (header_content_type, "application/")) {
 143                         application_multipart = TRUE;
 144                 }
 145                 g_free (header_content_type);
 146
 147                 if (application_multipart) {
 148                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 149                         return;
 150                 }
 151         } else {
 152                 gboolean direct_attach;
 153
 154                 direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
 155                                  !g_str_has_prefix (msg_content_type, "multipart") &&
 156                                  !g_str_has_prefix (msg_content_type, "text/"));
 157
 158                 g_free (msg_content_type);
 159
 160                 if (direct_attach) {
 161                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (msg), TRUE, 0);
 162                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 163                         return;
 164                 }
 165         }
 166
 167         parts = TNY_LIST (tny_simple_list_new ());
 168         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 169         iter = tny_list_create_iterator (parts);
 170
 171         while (!tny_iterator_is_done (iter)) {
 172                 TnyMimePart *part;
 173
 174                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 175
 176                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 177                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 178
 179                 if (part)
 180                         g_object_unref (part);
 181
 182                 tny_iterator_next (iter);
 183         }
 184         g_object_unref (iter);
 185         g_object_unref (parts);
 186
 187
 188         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 189
 190 }
 191
 192 void
 193 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 194                                         gboolean detect_size, guint64 size)
 195 {
 196         GtkWidget *att_view = NULL;
 197         ModestAttachmentsViewPrivate *priv = NULL;
 198
 199         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 200         g_return_if_fail (TNY_IS_MIME_PART (part));
 201
 202         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 203
 204         att_view = modest_attachment_view_new (part, detect_size);
 205         if (!detect_size)
 206                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 207         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 208         gtk_widget_show_all (att_view);
 209         gtk_widget_queue_resize (GTK_WIDGET (attachments_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         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 262 }
 263
 264 void
 265 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 266 {
 267         ModestAttachmentsViewPrivate *priv = NULL;
 268         GList *box_children = NULL, *node = NULL;
 269
 270         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 271         g_return_if_fail (att_id != NULL);
 272
 273         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 274         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 275
 276         for (node = box_children; node != NULL; node = g_list_next (node)) {
 277                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 278                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 279                 const gchar *mime_part_id = NULL;
 280
 281                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 282                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 283                         gtk_widget_destroy (GTK_WIDGET (att_view));
 284                         priv->selected = g_list_remove (priv->selected, att_view);
 285                 }
 286
 287                 g_object_unref (cur_mime_part);
 288         }
 289
 290         own_clipboard (atts_view);
 291
 292         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 293 }
 294
 295 static void
 296 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 297 {
 298         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 299
 300         priv->msg = NULL;
 301         priv->box = gtk_vbox_new (FALSE, 0);
 302         priv->rubber_start = NULL;
 303         priv->selected = NULL;
 304
 305         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 306         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 307
 308         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 309         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 310         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 311         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 312         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 313         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 314
 315         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 316
 317         return;
 318 }
 319
 320 static void
 321 modest_attachments_view_finalize (GObject *object)
 322 {
 323         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 324
 325         if (priv->msg) {
 326                 g_object_unref (priv->msg);
 327                 priv->msg = NULL;
 328         }
 329
 330         (*parent_class->finalize) (object);
 331
 332         return;
 333 }
 334
 335 static void
 336 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 337 {
 338         GObjectClass *object_class;
 339         GtkWidgetClass *widget_class;
 340
 341         parent_class = g_type_class_peek_parent (klass);
 342         object_class = (GObjectClass*) klass;
 343         widget_class = GTK_WIDGET_CLASS (klass);
 344
 345         object_class->finalize = modest_attachments_view_finalize;
 346
 347         klass->activate = NULL;
 348
 349         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 350
 351         signals[ACTIVATE_SIGNAL] =
 352                 g_signal_new ("activate",
 353                               G_TYPE_FROM_CLASS (object_class),
 354                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 355                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 356                               NULL, NULL,
 357                               g_cclosure_marshal_VOID__OBJECT,
 358                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 359
 360         signals[DELETE_SIGNAL] =
 361                 g_signal_new ("delete",
 362                               G_TYPE_FROM_CLASS (object_class),
 363                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 364                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 365                               NULL, NULL,
 366                               g_cclosure_marshal_VOID__VOID,
 367                               G_TYPE_NONE, 0);
 368
 369         return;
 370 }
 371
 372 GType
 373 modest_attachments_view_get_type (void)
 374 {
 375         static GType type = 0;
 376
 377         if (G_UNLIKELY(type == 0))
 378         {
 379                 static const GTypeInfo info =
 380                 {
 381                   sizeof (ModestAttachmentsViewClass),
 382                   NULL,   /* base_init */
 383                   NULL,   /* base_finalize */
 384                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 385                   NULL,   /* class_finalize */
 386                   NULL,   /* class_data */
 387                   sizeof (ModestAttachmentsView),
 388                   0,      /* n_preallocs */
 389                   modest_attachments_view_instance_init    /* instance_init */
 390                 };
 391
 392                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 393                         "ModestAttachmentsView",
 394                         &info, 0);
 395
 396         }
 397
 398         return type;
 399 }
 400
 401 /* buttons signal events */
 402 static gboolean
 403 button_press_event (GtkWidget *widget,
 404                     GdkEventButton *event,
 405                     ModestAttachmentsView *atts_view)
 406 {
 407         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 408         if (!GTK_WIDGET_HAS_FOCUS (widget))
 409                 gtk_widget_grab_focus (widget);
 410
 411         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 412                 GtkWidget *att_view = NULL;
 413
 414                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 415                                                    (gint) event->x_root, (gint) event->y_root);
 416
 417                 if (att_view != NULL) {
 418                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 419                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 420                                 if (TNY_IS_MIME_PART (mime_part)) {
 421                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 422                                         g_object_unref (mime_part);
 423                                 }
 424                         } else {
 425                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 426
 427                                 /* Do not select purged attachments */
 428                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 429                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 430                                         priv->rubber_start = att_view;
 431                                         gtk_grab_add (widget);
 432                                 }
 433                                 g_object_unref (mime_part);
 434                         }
 435                 }
 436         }
 437         return TRUE;
 438
 439 }
 440
 441 static gboolean
 442 button_release_event (GtkWidget *widget,
 443                       GdkEventButton *event,
 444                       ModestAttachmentsView *atts_view)
 445 {
 446         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 447         if (widget == gtk_grab_get_current ()) {
 448                 GtkWidget *att_view = NULL;
 449
 450                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 451                                                    (gint) event->x_root, (gint) event->y_root);
 452
 453                 if (att_view != NULL) {
 454                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 455                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 456                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 457                                       MODEST_ATTACHMENT_VIEW (att_view));
 458                 }
 459                 priv->rubber_start = NULL;
 460                 gtk_grab_remove (widget);
 461         }
 462         return TRUE;
 463 }
 464
 465 static gboolean
 466 motion_notify_event (GtkWidget *widget,
 467                      GdkEventMotion *event,
 468                      ModestAttachmentsView *atts_view)
 469 {
 470         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 471         if (gtk_grab_get_current () == widget) {
 472                 GtkWidget *att_view = NULL;
 473
 474                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 475                                                    (gint) event->x_root, (gint) event->y_root);
 476
 477                 if (att_view != NULL) {
 478                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 479                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 480                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 481                                       MODEST_ATTACHMENT_VIEW (att_view));
 482                 }
 483         }
 484         return TRUE;
 485 }
 486
 487 static GList*
 488 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 489 {
 490         GList *tmp = NULL;
 491         gboolean is_valid;
 492
 493         if (!include_this) {
 494                 if (prev) {
 495                         tmp = g_list_previous (list);
 496                 } else {
 497                         tmp = g_list_next (list);
 498                 }
 499         } else {
 500                 tmp = list;
 501         }
 502
 503         if (!tmp)
 504                 return NULL;
 505
 506         do {
 507                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 508                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 509
 510                 /* Do not select purged attachments */
 511                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 512                         is_valid = TRUE;
 513                 } else {
 514                         if (prev)
 515                                 tmp = g_list_previous (tmp);
 516                         else
 517                                 tmp = g_list_next (tmp);
 518                         is_valid = FALSE;
 519                 }
 520                 g_object_unref (mime_part);
 521         } while (!is_valid && tmp);
 522
 523         return tmp;
 524 }
 525
 526
 527 static gboolean
 528 key_press_event (GtkWidget *widget,
 529                  GdkEventKey *event,
 530                  ModestAttachmentsView *atts_view)
 531 {
 532         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 533
 534         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 535         if (gtk_grab_get_current () == widget) {
 536                 if (event->keyval == GDK_Escape) {
 537                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 538                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 539                         priv->rubber_start = NULL;
 540                         gtk_grab_remove (widget);
 541                         return TRUE;
 542                 }
 543                 return FALSE;
 544         }
 545
 546         if (event->keyval == GDK_Up) {
 547                 ModestAttachmentView *current_sel = NULL;
 548                 gboolean move_out = FALSE;
 549                 GList * box_children, *new_sel, *first_child;
 550
 551                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 552                 if (box_children == NULL) {
 553                         move_out = TRUE;
 554                 } else {
 555                         first_child = box_children;
 556                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 557                         if (priv->selected != NULL && first_child != NULL) {
 558                                 if (priv->selected->data != first_child->data)
 559                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 560                                 else
 561                                         move_out = TRUE;
 562                         } else {
 563                                 move_out = TRUE;
 564                         }
 565                 }
 566
 567                 if (move_out) {
 568                         GtkWidget *toplevel = NULL;
 569                         /* move cursor outside */
 570                         toplevel = gtk_widget_get_toplevel (widget);
 571                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 572                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 573                         unselect_all (atts_view);
 574                 } else {
 575                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 576                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 577                         /* We assume that we detected properly that
 578                            there is a not purge attachment so we don't
 579                            need to check NULL */
 580                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 581                 }
 582                 g_list_free (box_children);
 583                 return TRUE;
 584         }
 585
 586         if (event->keyval == GDK_Down) {
 587                 ModestAttachmentView *current_sel = NULL;
 588                 gboolean move_out = FALSE;
 589                 GList * box_children, *new_sel, *last_child = NULL;
 590
 591                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 592
 593                 if (box_children == NULL) {
 594                         move_out = TRUE;
 595                 } else {
 596                         last_child = g_list_last (box_children);
 597                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 598                         if (priv->selected != NULL && last_child != NULL) {
 599                                 GList *last_selected = g_list_last (priv->selected);
 600                                 if (last_selected->data != last_child->data)
 601                                         current_sel = (ModestAttachmentView *) last_selected->data;
 602                                 else
 603                                         move_out = TRUE;
 604                         } else {
 605                                 move_out = TRUE;
 606                         }
 607                 }
 608
 609                 if (move_out) {
 610                         GtkWidget *toplevel = NULL;
 611                         /* move cursor outside */
 612                         toplevel = gtk_widget_get_toplevel (widget);
 613                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 614                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 615                         unselect_all (atts_view);
 616                 } else {
 617                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 618                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 619                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 620                 }
 621                 g_list_free (box_children);
 622                 return TRUE;
 623         }
 624
 625         if (event->keyval == GDK_BackSpace) {
 626                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 627                 return TRUE;
 628         }
 629
 630         /* Activates selected item */
 631         if (g_list_length (priv->selected) == 1) {
 632                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 633                 if ((event->keyval == GDK_Return)) {
 634                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 635                         if (TNY_IS_MIME_PART (mime_part)) {
 636                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 637                                 g_object_unref (mime_part);
 638                         }
 639                         return TRUE;
 640                 }
 641         }
 642
 643         return FALSE;
 644 }
 645
 646
 647 static GtkWidget *
 648 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 649                         gdouble x, gdouble y)
 650 {
 651         ModestAttachmentsViewPrivate *priv = NULL;
 652         GList *att_view_list, *node;
 653         GtkWidget *result = NULL;
 654
 655         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 656         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 657
 658         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 659                 GtkWidget *att_view = (GtkWidget *) node->data;
 660                 gint pos_x, pos_y, w, h, int_x, int_y;
 661                 gint widget_x, widget_y;
 662
 663                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 664
 665                 pos_x = widget_x;
 666                 pos_y = widget_y;
 667                 w = att_view->allocation.width;
 668                 h = att_view->allocation.height;
 669
 670                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 671                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 672
 673                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 674                         result = att_view;
 675                         break;
 676                 }
 677         }
 678
 679         g_list_free (att_view_list);
 680         return result;
 681 }
 682
 683 static void
 684 unselect_all (ModestAttachmentsView *atts_view)
 685 {
 686         ModestAttachmentsViewPrivate *priv = NULL;
 687         GList *att_view_list, *node;
 688
 689         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 690         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 691
 692         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 693                 GtkWidget *att_view = (GtkWidget *) node->data;
 694
 695                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 696                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 697         }
 698
 699         g_list_free (priv->selected);
 700         priv->selected = NULL;
 701
 702         g_list_free (att_view_list);
 703 }
 704
 705 static void
 706 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 707 {
 708         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 709         TnyMimePart *part;
 710
 711         unselect_all (atts_view);
 712         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 713
 714         g_list_free (priv->selected);
 715         priv->selected = NULL;
 716         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 717                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 718                 priv->selected = g_list_append (priv->selected, att_view);
 719         }
 720         if (part)
 721                 g_object_unref (part);
 722
 723         own_clipboard (atts_view);
 724 }
 725
 726 static void
 727 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 728 {
 729         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 730         GList *children = NULL;
 731         GList *node = NULL;
 732         gboolean selecting = FALSE;
 733         TnyMimePart *part;
 734
 735         unselect_all (atts_view);
 736
 737         if (att1 == att2) {
 738                 set_selected (atts_view, att1);
 739                 return;
 740         }
 741
 742         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 743         g_list_free (priv->selected);
 744         priv->selected = NULL;
 745
 746
 747         for (node = children; node != NULL; node = g_list_next (node)) {
 748                 if ((node->data == att1) || (node->data == att2)) {
 749                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 750                         if (!tny_mime_part_is_purged (part)) {
 751                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 752                                 priv->selected = g_list_append (priv->selected, node->data);
 753                         }
 754                         g_object_unref (part);
 755                         selecting = !selecting;
 756                 } else if (selecting) {
 757                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 758                         if (!tny_mime_part_is_purged (part)) {
 759                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 760                                 priv->selected = g_list_append (priv->selected, node->data);
 761                         }
 762                         g_object_unref (part);
 763                 }
 764
 765         }
 766         g_list_free (children);
 767
 768         own_clipboard (atts_view);
 769 }
 770
 771 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 772                            guint info, gpointer userdata)
 773 {
 774         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 775         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 776
 777         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 778                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 779                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 780                          * use an internal index. This index is simply the index of the attachment in the vbox */
 781                         GList *box_children = NULL;
 782                         gint index;
 783                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 784                         index = g_list_index (box_children, priv->selected);
 785                         if (index >= 0) {
 786                                 gchar *index_str = g_strdup_printf("%d", index);
 787                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 788                                 g_free (index_str);
 789                         }
 790                 }
 791         }
 792 }
 793
 794 TnyList *
 795 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 796 {
 797         ModestAttachmentsViewPrivate *priv;
 798         TnyList *selection;
 799         GList *node;
 800
 801         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 802         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 803
 804         selection = tny_simple_list_new ();
 805         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 806                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 807                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 808                 tny_list_append (selection, (GObject *) part);
 809                 g_object_unref (part);
 810         }
 811
 812         return selection;
 813 }
 814
 815 TnyList *
 816 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 817 {
 818         ModestAttachmentsViewPrivate *priv;
 819         TnyList *att_list;
 820         GList *children, *node= NULL;
 821
 822         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 823         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 824
 825         att_list = TNY_LIST (tny_simple_list_new ());
 826
 827         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 828         for (node = children; node != NULL; node = g_list_next (node)) {
 829                 GtkWidget *att_view = GTK_WIDGET (node->data);
 830                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 831                 tny_list_append (att_list, (GObject *) mime_part);
 832                 g_object_unref (mime_part);
 833         }
 834         g_list_free (children);
 835         return att_list;
 836
 837 }
 838
 839 void
 840 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 841 {
 842         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 843         GList *children = NULL;
 844         GList *node = NULL;
 845
 846         unselect_all (atts_view);
 847
 848         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 849         g_list_free (priv->selected);
 850         priv->selected = NULL;
 851
 852         for (node = children; node != NULL; node = g_list_next (node)) {
 853                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 854                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 855
 856                 /* Do not select purged attachments */
 857                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 858                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 859                         priv->selected = g_list_append (priv->selected, node->data);
 860                 }
 861                 g_object_unref (mime_part);
 862         }
 863         g_list_free (children);
 864
 865         own_clipboard (atts_view);
 866 }
 867
 868 gboolean
 869 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 870 {
 871         ModestAttachmentsViewPrivate *priv;
 872         GList *children;
 873         gboolean result;
 874
 875         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 876         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 877
 878         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 879         result = (children != NULL);
 880         g_list_free (children);
 881
 882         return result;
 883 }
 884
 885 void
 886 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 887                                    gint *attachments_count,
 888                                    guint64 *attachments_size)
 889 {
 890         ModestAttachmentsViewPrivate *priv;
 891         GList *children, *node;
 892
 893         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 894         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 895
 896         *attachments_count = 0;
 897         *attachments_size = 0;
 898
 899         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 900
 901         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 902         for (node = children; node != NULL; node = g_list_next (node)) {
 903                 GtkWidget *att_view = (GtkWidget *) node->data;
 904                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 905
 906                 if (!tny_mime_part_is_purged (part)) {
 907                         guint64 size;
 908                         (*attachments_count) ++;
 909                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 910                         if (size == 0) {
 911                                 /* we do a random estimation of the size of an attachment */
 912                                 size = 32768;
 913                         }
 914                         *attachments_size += size;
 915
 916                 }
 917                 g_object_unref (part);
 918         }
 919         g_list_free (children);
 920 }
 921
 922 static void
 923 own_clipboard (ModestAttachmentsView *atts_view)
 924 {
 925         GtkTargetEntry targets[] = {
 926                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 927         };
 928
 929         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 930                                       targets, G_N_ELEMENTS (targets),
 931                                       clipboard_get, NULL, G_OBJECT(atts_view));
 932
 933 }
 934
 935 static gboolean
 936 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 937 {
 938         if (!gtk_widget_is_focus (widget))
 939                 unselect_all (atts_view);
 940
 941         return FALSE;
 942 }
 943
 944 static gboolean
 945 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 946 {
 947         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 948         GList *children = NULL;
 949         GtkWidget *toplevel = NULL;
 950
 951         toplevel = gtk_widget_get_toplevel (widget);
 952         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 953                 return FALSE;
 954
 955         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 956         if (children != NULL) {
 957                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 958         }
 959         g_list_free (children);
 960
 961         return FALSE;
 962 }