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
 251                 node = g_list_find (priv->selected, found_att_view);
 252                 if (node != NULL) {
 253                         priv->selected = g_list_delete_link (priv->selected, node);
 254                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 255                         if ((priv->selected == NULL) && (next_widget != NULL))
 256                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 257                                               MODEST_ATTACHMENT_VIEW (next_widget));
 258                 }
 259                 own_clipboard (atts_view);
 260         }
 261
 262         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 263 }
 264
 265 void
 266 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 267 {
 268         ModestAttachmentsViewPrivate *priv = NULL;
 269         GList *box_children = NULL, *node = NULL;
 270
 271         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 272         g_return_if_fail (att_id != NULL);
 273
 274         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 275         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 276
 277         for (node = box_children; node != NULL; node = g_list_next (node)) {
 278                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 279                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 280                 const gchar *mime_part_id = NULL;
 281
 282                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 283                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 284                         gtk_widget_destroy (GTK_WIDGET (att_view));
 285                         priv->selected = g_list_remove (priv->selected, att_view);
 286                 }
 287
 288                 g_object_unref (cur_mime_part);
 289         }
 290
 291         own_clipboard (atts_view);
 292
 293         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 294 }
 295
 296 static void
 297 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 298 {
 299         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 300
 301         priv->msg = NULL;
 302         priv->box = gtk_vbox_new (FALSE, 0);
 303         priv->rubber_start = NULL;
 304         priv->selected = NULL;
 305         priv->style = MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE;
 306
 307         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 308         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 309
 310         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 311         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 312         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 313         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 314         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 315         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 316
 317         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 318
 319         return;
 320 }
 321
 322 static void
 323 modest_attachments_view_finalize (GObject *object)
 324 {
 325         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 326
 327         if (priv->msg) {
 328                 g_object_unref (priv->msg);
 329                 priv->msg = NULL;
 330         }
 331
 332         (*parent_class->finalize) (object);
 333
 334         return;
 335 }
 336
 337 static void
 338 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 339 {
 340         GObjectClass *object_class;
 341         GtkWidgetClass *widget_class;
 342
 343         parent_class = g_type_class_peek_parent (klass);
 344         object_class = (GObjectClass*) klass;
 345         widget_class = GTK_WIDGET_CLASS (klass);
 346
 347         object_class->finalize = modest_attachments_view_finalize;
 348
 349         klass->activate = NULL;
 350
 351         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 352
 353         signals[ACTIVATE_SIGNAL] =
 354                 g_signal_new ("activate",
 355                               G_TYPE_FROM_CLASS (object_class),
 356                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 357                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 358                               NULL, NULL,
 359                               g_cclosure_marshal_VOID__OBJECT,
 360                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 361
 362         signals[DELETE_SIGNAL] =
 363                 g_signal_new ("delete",
 364                               G_TYPE_FROM_CLASS (object_class),
 365                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 366                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 367                               NULL, NULL,
 368                               g_cclosure_marshal_VOID__VOID,
 369                               G_TYPE_NONE, 0);
 370
 371         return;
 372 }
 373
 374 GType
 375 modest_attachments_view_get_type (void)
 376 {
 377         static GType type = 0;
 378
 379         if (G_UNLIKELY(type == 0))
 380         {
 381                 static const GTypeInfo info =
 382                 {
 383                   sizeof (ModestAttachmentsViewClass),
 384                   NULL,   /* base_init */
 385                   NULL,   /* base_finalize */
 386                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 387                   NULL,   /* class_finalize */
 388                   NULL,   /* class_data */
 389                   sizeof (ModestAttachmentsView),
 390                   0,      /* n_preallocs */
 391                   modest_attachments_view_instance_init    /* instance_init */
 392                 };
 393
 394                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 395                         "ModestAttachmentsView",
 396                         &info, 0);
 397
 398         }
 399
 400         return type;
 401 }
 402
 403 /* buttons signal events */
 404 static gboolean
 405 button_press_event (GtkWidget *widget,
 406                     GdkEventButton *event,
 407                     ModestAttachmentsView *atts_view)
 408 {
 409         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 410         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE &&
 411             !GTK_WIDGET_HAS_FOCUS (widget))
 412                 gtk_widget_grab_focus (widget);
 413
 414         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 415                 GtkWidget *att_view = NULL;
 416
 417                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 418                                                    (gint) event->x_root, (gint) event->y_root);
 419
 420                 if (att_view != NULL) {
 421                         if ((priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) ||
 422                             (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2))) {
 423                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 424                                 if (TNY_IS_MIME_PART (mime_part)) {
 425                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 426                                         g_object_unref (mime_part);
 427                                 }
 428                         } else {
 429                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 430
 431                                 /* Do not select purged attachments */
 432                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 433                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 434                                         priv->rubber_start = att_view;
 435                                         gtk_grab_add (widget);
 436                                 }
 437                                 g_object_unref (mime_part);
 438                         }
 439                 }
 440         }
 441         return TRUE;
 442
 443 }
 444
 445 static gboolean
 446 button_release_event (GtkWidget *widget,
 447                       GdkEventButton *event,
 448                       ModestAttachmentsView *atts_view)
 449 {
 450         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 451         if (widget == gtk_grab_get_current ()) {
 452                 GtkWidget *att_view = NULL;
 453
 454                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 455                                                    (gint) event->x_root, (gint) event->y_root);
 456
 457                 if (att_view != NULL) {
 458                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 459                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 460                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 461                                       MODEST_ATTACHMENT_VIEW (att_view));
 462                 }
 463                 priv->rubber_start = NULL;
 464                 gtk_grab_remove (widget);
 465         }
 466         return TRUE;
 467 }
 468
 469 static gboolean
 470 motion_notify_event (GtkWidget *widget,
 471                      GdkEventMotion *event,
 472                      ModestAttachmentsView *atts_view)
 473 {
 474         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 475         if (gtk_grab_get_current () == widget) {
 476                 GtkWidget *att_view = NULL;
 477
 478                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 479                                                    (gint) event->x_root, (gint) event->y_root);
 480
 481                 if (att_view != NULL) {
 482                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 483                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 484                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 485                                       MODEST_ATTACHMENT_VIEW (att_view));
 486                 }
 487         }
 488         return TRUE;
 489 }
 490
 491 static GList*
 492 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 493 {
 494         GList *tmp = NULL;
 495         gboolean is_valid;
 496
 497         if (!include_this) {
 498                 if (prev) {
 499                         tmp = g_list_previous (list);
 500                 } else {
 501                         tmp = g_list_next (list);
 502                 }
 503         } else {
 504                 tmp = list;
 505         }
 506
 507         if (!tmp)
 508                 return NULL;
 509
 510         do {
 511                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 512                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 513
 514                 /* Do not select purged attachments */
 515                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 516                         is_valid = TRUE;
 517                 } else {
 518                         if (prev)
 519                                 tmp = g_list_previous (tmp);
 520                         else
 521                                 tmp = g_list_next (tmp);
 522                         is_valid = FALSE;
 523                 }
 524                 g_object_unref (mime_part);
 525         } while (!is_valid && tmp);
 526
 527         return tmp;
 528 }
 529
 530
 531 static gboolean
 532 key_press_event (GtkWidget *widget,
 533                  GdkEventKey *event,
 534                  ModestAttachmentsView *atts_view)
 535 {
 536         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 537
 538         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 539         if (gtk_grab_get_current () == widget) {
 540                 if (event->keyval == GDK_Escape) {
 541                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 542                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 543                         priv->rubber_start = NULL;
 544                         gtk_grab_remove (widget);
 545                         return TRUE;
 546                 }
 547                 return FALSE;
 548         }
 549
 550         if (event->keyval == GDK_Up) {
 551                 ModestAttachmentView *current_sel = NULL;
 552                 gboolean move_out = FALSE;
 553                 GList * box_children, *new_sel, *first_child;
 554
 555                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 556                 if (box_children == NULL) {
 557                         move_out = TRUE;
 558                 } else {
 559                         first_child = box_children;
 560                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 561                         if (priv->selected != NULL && first_child != NULL) {
 562                                 if (priv->selected->data != first_child->data)
 563                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 564                                 else
 565                                         move_out = TRUE;
 566                         } else {
 567                                 move_out = TRUE;
 568                         }
 569                 }
 570
 571                 if (move_out) {
 572                         GtkWidget *toplevel = NULL;
 573                         /* move cursor outside */
 574                         toplevel = gtk_widget_get_toplevel (widget);
 575                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 576                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 577                         unselect_all (atts_view);
 578                 } else {
 579                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 580                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 581                         /* We assume that we detected properly that
 582                            there is a not purge attachment so we don't
 583                            need to check NULL */
 584                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 585                 }
 586                 g_list_free (box_children);
 587                 return TRUE;
 588         }
 589
 590         if (event->keyval == GDK_Down) {
 591                 ModestAttachmentView *current_sel = NULL;
 592                 gboolean move_out = FALSE;
 593                 GList * box_children, *new_sel, *last_child = NULL;
 594
 595                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 596
 597                 if (box_children == NULL) {
 598                         move_out = TRUE;
 599                 } else {
 600                         last_child = g_list_last (box_children);
 601                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 602                         if (priv->selected != NULL && last_child != NULL) {
 603                                 GList *last_selected = g_list_last (priv->selected);
 604                                 if (last_selected->data != last_child->data)
 605                                         current_sel = (ModestAttachmentView *) last_selected->data;
 606                                 else
 607                                         move_out = TRUE;
 608                         } else {
 609                                 move_out = TRUE;
 610                         }
 611                 }
 612
 613                 if (move_out) {
 614                         GtkWidget *toplevel = NULL;
 615                         /* move cursor outside */
 616                         toplevel = gtk_widget_get_toplevel (widget);
 617                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 618                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 619                         unselect_all (atts_view);
 620                 } else {
 621                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 622                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 623                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 624                 }
 625                 g_list_free (box_children);
 626                 return TRUE;
 627         }
 628
 629         if (event->keyval == GDK_BackSpace) {
 630                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 631                 return TRUE;
 632         }
 633
 634         /* Activates selected item */
 635         if (g_list_length (priv->selected) == 1) {
 636                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 637                 if ((event->keyval == GDK_Return)) {
 638                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 639                         if (TNY_IS_MIME_PART (mime_part)) {
 640                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 641                                 g_object_unref (mime_part);
 642                         }
 643                         return TRUE;
 644                 }
 645         }
 646
 647         return FALSE;
 648 }
 649
 650
 651 static GtkWidget *
 652 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 653                         gdouble x, gdouble y)
 654 {
 655         ModestAttachmentsViewPrivate *priv = NULL;
 656         GList *att_view_list, *node;
 657         GtkWidget *result = NULL;
 658
 659         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 660         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 661
 662         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 663                 GtkWidget *att_view = (GtkWidget *) node->data;
 664                 gint pos_x, pos_y, w, h, int_x, int_y;
 665                 gint widget_x, widget_y;
 666
 667                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 668
 669                 pos_x = widget_x;
 670                 pos_y = widget_y;
 671                 w = att_view->allocation.width;
 672                 h = att_view->allocation.height;
 673
 674                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 675                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 676
 677                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 678                         result = att_view;
 679                         break;
 680                 }
 681         }
 682
 683         g_list_free (att_view_list);
 684         return result;
 685 }
 686
 687 static void
 688 unselect_all (ModestAttachmentsView *atts_view)
 689 {
 690         ModestAttachmentsViewPrivate *priv = NULL;
 691         GList *att_view_list, *node;
 692
 693         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 694         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 695
 696         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 697                 GtkWidget *att_view = (GtkWidget *) node->data;
 698
 699                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 700                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 701         }
 702
 703         g_list_free (priv->selected);
 704         priv->selected = NULL;
 705
 706         g_list_free (att_view_list);
 707 }
 708
 709 static void
 710 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 711 {
 712         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 713         TnyMimePart *part;
 714
 715         unselect_all (atts_view);
 716         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 717
 718         g_list_free (priv->selected);
 719         priv->selected = NULL;
 720         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 721                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 722                 priv->selected = g_list_append (priv->selected, att_view);
 723         }
 724         if (part)
 725                 g_object_unref (part);
 726
 727         own_clipboard (atts_view);
 728 }
 729
 730 static void
 731 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 732 {
 733         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 734         GList *children = NULL;
 735         GList *node = NULL;
 736         gboolean selecting = FALSE;
 737         TnyMimePart *part;
 738
 739         unselect_all (atts_view);
 740
 741         if (att1 == att2) {
 742                 set_selected (atts_view, att1);
 743                 return;
 744         }
 745
 746         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 747         g_list_free (priv->selected);
 748         priv->selected = NULL;
 749
 750
 751         for (node = children; node != NULL; node = g_list_next (node)) {
 752                 if ((node->data == att1) || (node->data == att2)) {
 753                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 754                         if (!tny_mime_part_is_purged (part)) {
 755                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 756                                 priv->selected = g_list_append (priv->selected, node->data);
 757                         }
 758                         g_object_unref (part);
 759                         selecting = !selecting;
 760                 } else if (selecting) {
 761                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 762                         if (!tny_mime_part_is_purged (part)) {
 763                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 764                                 priv->selected = g_list_append (priv->selected, node->data);
 765                         }
 766                         g_object_unref (part);
 767                 }
 768
 769         }
 770         g_list_free (children);
 771
 772         own_clipboard (atts_view);
 773 }
 774
 775 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 776                            guint info, gpointer userdata)
 777 {
 778         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 779         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 780
 781         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 782                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 783                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 784                          * use an internal index. This index is simply the index of the attachment in the vbox */
 785                         GList *box_children = NULL;
 786                         gint index;
 787                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 788                         index = g_list_index (box_children, priv->selected);
 789                         if (index >= 0) {
 790                                 gchar *index_str = g_strdup_printf("%d", index);
 791                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 792                                 g_free (index_str);
 793                         }
 794                 }
 795         }
 796 }
 797
 798 TnyList *
 799 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 800 {
 801         ModestAttachmentsViewPrivate *priv;
 802         TnyList *selection;
 803         GList *node;
 804
 805         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 806         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 807
 808         selection = tny_simple_list_new ();
 809         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 810                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 811                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 812                 tny_list_append (selection, (GObject *) part);
 813                 g_object_unref (part);
 814         }
 815
 816         return selection;
 817 }
 818
 819 TnyList *
 820 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 821 {
 822         ModestAttachmentsViewPrivate *priv;
 823         TnyList *att_list;
 824         GList *children, *node= NULL;
 825
 826         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 827         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 828
 829         att_list = TNY_LIST (tny_simple_list_new ());
 830
 831         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 832         for (node = children; node != NULL; node = g_list_next (node)) {
 833                 GtkWidget *att_view = GTK_WIDGET (node->data);
 834                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 835                 tny_list_append (att_list, (GObject *) mime_part);
 836                 g_object_unref (mime_part);
 837         }
 838         g_list_free (children);
 839         return att_list;
 840
 841 }
 842
 843 void
 844 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 845 {
 846         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 847         GList *children = NULL;
 848         GList *node = NULL;
 849
 850         unselect_all (atts_view);
 851
 852         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS)
 853                 return;
 854
 855         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 856         g_list_free (priv->selected);
 857         priv->selected = NULL;
 858
 859         for (node = children; node != NULL; node = g_list_next (node)) {
 860                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 861                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 862
 863                 /* Do not select purged attachments */
 864                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 865                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 866                         priv->selected = g_list_append (priv->selected, node->data);
 867                 }
 868                 g_object_unref (mime_part);
 869         }
 870         g_list_free (children);
 871
 872         own_clipboard (atts_view);
 873 }
 874
 875 gboolean
 876 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 877 {
 878         ModestAttachmentsViewPrivate *priv;
 879         GList *children;
 880         gboolean result;
 881
 882         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 883         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 884
 885         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 886         result = (children != NULL);
 887         g_list_free (children);
 888
 889         return result;
 890 }
 891
 892 void
 893 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 894                                    gint *attachments_count,
 895                                    guint64 *attachments_size)
 896 {
 897         ModestAttachmentsViewPrivate *priv;
 898         GList *children, *node;
 899
 900         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 901         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 902
 903         *attachments_count = 0;
 904         *attachments_size = 0;
 905
 906         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 907
 908         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 909         for (node = children; node != NULL; node = g_list_next (node)) {
 910                 GtkWidget *att_view = (GtkWidget *) node->data;
 911                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 912
 913                 if (!tny_mime_part_is_purged (part)) {
 914                         guint64 size;
 915                         (*attachments_count) ++;
 916                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 917                         if (size == 0) {
 918                                 /* we do a random estimation of the size of an attachment */
 919                                 size = 32768;
 920                         }
 921                         *attachments_size += size;
 922
 923                 }
 924                 g_object_unref (part);
 925         }
 926         g_list_free (children);
 927 }
 928
 929 static void
 930 own_clipboard (ModestAttachmentsView *atts_view)
 931 {
 932         GtkTargetEntry targets[] = {
 933                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 934         };
 935
 936         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 937                                       targets, G_N_ELEMENTS (targets),
 938                                       clipboard_get, NULL, G_OBJECT(atts_view));
 939
 940 }
 941
 942 static gboolean
 943 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 944 {
 945         if (!gtk_widget_is_focus (widget))
 946                 unselect_all (atts_view);
 947
 948         return FALSE;
 949 }
 950
 951 static gboolean
 952 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 953 {
 954         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 955         GList *children = NULL;
 956         GtkWidget *toplevel = NULL;
 957
 958         toplevel = gtk_widget_get_toplevel (widget);
 959         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 960                 return FALSE;
 961
 962         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 963         if (children != NULL) {
 964                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 965         }
 966         g_list_free (children);
 967
 968         return FALSE;
 969 }
 970
 971 void
 972 modest_attachments_view_set_style (ModestAttachmentsView *self,
 973                                    ModestAttachmentsViewStyle style)
 974 {
 975         ModestAttachmentsViewPrivate *priv;
 976
 977         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (self));
 978         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (self);
 979
 980         if (priv->style != style) {
 981                 priv->style = style;
 982                 gtk_widget_queue_draw (GTK_WIDGET (self));
 983                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) {
 984                         GTK_WIDGET_UNSET_FLAGS (self, GTK_CAN_FOCUS);
 985                 } else {
 986                         GTK_WIDGET_SET_FLAGS (self, GTK_CAN_FOCUS);
 987                 }
 988
 989         }
 990 }