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         LAST_SIGNAL
  50 };
  51
  52 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  53
  54 struct _ModestAttachmentsViewPrivate
  55 {
  56         TnyMsg *msg;
  57         GtkWidget *box;
  58         GList *selected;
  59         GtkWidget *rubber_start;
  60 };
  61
  62 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  63         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  64
  65 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  66 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  67 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  68 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  69 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  70 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  71 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  72                                           gdouble x, gdouble y);
  73 static void unselect_all (ModestAttachmentsView *atts_view);
  74 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  75 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  76 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  77                            guint info, gpointer userdata);
  78 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata);
  79 static void own_clipboard (ModestAttachmentsView *atts_view);
  80
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 /**
  84  * modest_attachments_view_new:
  85  * @msg: a #TnyMsg
  86  *
  87  * Constructor for attachments view widget.
  88  *
  89  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  90  **/
  91 GtkWidget*
  92 modest_attachments_view_new (TnyMsg *msg)
  93 {
  94         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  95                                                     "resize-mode", GTK_RESIZE_PARENT,
  96                                                     NULL);
  97
  98         modest_attachments_view_set_message (self, msg);
  99
 100         return GTK_WIDGET (self);
 101 }
 102
 103 void
 104 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 105 {
 106         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 107         TnyList *parts;
 108         TnyIterator *iter;
 109         const gchar *msg_content_type = NULL;
 110
 111         if (msg == priv->msg) return;
 112
 113         if (priv->msg)
 114                 g_object_unref (priv->msg);
 115         if (msg)
 116                 g_object_ref (G_OBJECT(msg));
 117
 118         priv->msg = msg;
 119
 120         g_list_free (priv->selected);
 121         priv->selected = NULL;
 122
 123         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 124
 125         if (priv->msg == NULL) {
 126                 return;
 127         }
 128
 129         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 130          * embedded images in body */
 131         msg_content_type = tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 132         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 133                 gchar *header_content_type;
 134                 gchar *header_content_type_lower;
 135                 gboolean application_multipart = FALSE;
 136                 header_content_type = modest_tny_mime_part_get_header_value (TNY_MIME_PART (priv->msg), "Content-Type");
 137                 header_content_type = g_strstrip (header_content_type);
 138                 header_content_type_lower = (header_content_type ) ?
 139                         g_ascii_strdown (header_content_type, -1) : NULL;
 140
 141                 if ((header_content_type_lower != NULL) &&
 142                     !strstr (header_content_type_lower, "application/")) {
 143                         application_multipart = TRUE;
 144                         g_free (header_content_type_lower);
 145                 }
 146                 g_free (header_content_type);
 147
 148                 if (application_multipart) {
 149                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 150                         return;
 151                 }
 152         } else {
 153                 gchar *lower;
 154                 gboolean direct_attach;
 155
 156                 lower = g_ascii_strdown (msg_content_type, -1);
 157                 direct_attach = (!g_str_has_prefix (lower, "message/rfc822") &&
 158                                  !g_str_has_prefix (lower, "multipart") &&
 159                                  !g_str_has_prefix (lower, "text/"));
 160                 g_free (lower);
 161                 if (direct_attach) {
 162                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (msg), TRUE, 0);
 163                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 164                         return;
 165                 }
 166         }
 167
 168         parts = TNY_LIST (tny_simple_list_new ());
 169         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 170         iter = tny_list_create_iterator (parts);
 171
 172         while (!tny_iterator_is_done (iter)) {
 173                 TnyMimePart *part;
 174
 175                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 176
 177                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 178                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 179
 180                 if (part)
 181                         g_object_unref (part);
 182
 183                 tny_iterator_next (iter);
 184         }
 185         g_object_unref (iter);
 186         g_object_unref (parts);
 187
 188
 189         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 190
 191 }
 192
 193 void
 194 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 195                                         gboolean detect_size, guint64 size)
 196 {
 197         GtkWidget *att_view = NULL;
 198         ModestAttachmentsViewPrivate *priv = NULL;
 199
 200         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 201         g_return_if_fail (TNY_IS_MIME_PART (part));
 202
 203         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 204
 205         att_view = modest_attachment_view_new (part, detect_size);
 206         if (!detect_size)
 207                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 208         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 209         gtk_widget_show_all (att_view);
 210 }
 211
 212 void
 213 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 214 {
 215         ModestAttachmentsViewPrivate *priv = NULL;
 216         GList *box_children = NULL, *node = NULL;
 217         ModestAttachmentView *found_att_view = NULL;
 218
 219         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 220         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 221
 222         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 223         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 224
 225         for (node = box_children; node != NULL; node = g_list_next (node)) {
 226                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 227                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 228
 229                 if (mime_part == cur_mime_part)
 230                         found_att_view = att_view;
 231
 232                 g_object_unref (cur_mime_part);
 233
 234                 if (found_att_view != NULL)
 235                         break;
 236         }
 237
 238         if (found_att_view) {
 239                 GList *node = NULL;
 240                 GtkWidget *next_widget = NULL;
 241                 GList *box_children = NULL;
 242
 243                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 244                 node = g_list_find (box_children, found_att_view);
 245                 if (node->next)
 246                         next_widget = node->next->data;
 247
 248                 g_list_free (box_children);
 249
 250                 node = g_list_find (priv->selected, found_att_view);
 251                 if (node != NULL) {
 252                         priv->selected = g_list_delete_link (priv->selected, node);
 253                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 254                         if ((priv->selected == NULL) && (next_widget != NULL))
 255                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 256                                               MODEST_ATTACHMENT_VIEW (next_widget));
 257                 }
 258                 own_clipboard (atts_view);
 259         }
 260
 261 }
 262
 263 void
 264 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 265 {
 266         ModestAttachmentsViewPrivate *priv = NULL;
 267         GList *box_children = NULL, *node = NULL;
 268
 269         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 270         g_return_if_fail (att_id != NULL);
 271
 272         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 273         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 274
 275         for (node = box_children; node != NULL; node = g_list_next (node)) {
 276                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 277                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 278                 const gchar *mime_part_id = NULL;
 279
 280                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 281                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 282                         gtk_widget_destroy (GTK_WIDGET (att_view));
 283                         priv->selected = g_list_remove (priv->selected, att_view);
 284                 }
 285
 286                 g_object_unref (cur_mime_part);
 287         }
 288
 289         own_clipboard (atts_view);
 290
 291 }
 292
 293 static void
 294 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 295 {
 296         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 297
 298         priv->msg = NULL;
 299         priv->box = gtk_vbox_new (FALSE, 0);
 300         priv->rubber_start = NULL;
 301         priv->selected = NULL;
 302
 303         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 304         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 305
 306         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 307         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 308         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 309         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 310         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 311         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 312
 313         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 314
 315         return;
 316 }
 317
 318 static void
 319 modest_attachments_view_finalize (GObject *object)
 320 {
 321         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 322
 323         if (priv->msg) {
 324                 g_object_unref (priv->msg);
 325                 priv->msg = NULL;
 326         }
 327
 328         (*parent_class->finalize) (object);
 329
 330         return;
 331 }
 332
 333 static void
 334 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 335 {
 336         GObjectClass *object_class;
 337         GtkWidgetClass *widget_class;
 338
 339         parent_class = g_type_class_peek_parent (klass);
 340         object_class = (GObjectClass*) klass;
 341         widget_class = GTK_WIDGET_CLASS (klass);
 342
 343         object_class->finalize = modest_attachments_view_finalize;
 344
 345         klass->activate = NULL;
 346
 347         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 348
 349         signals[ACTIVATE_SIGNAL] =
 350                 g_signal_new ("activate",
 351                               G_TYPE_FROM_CLASS (object_class),
 352                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 353                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 354                               NULL, NULL,
 355                               g_cclosure_marshal_VOID__OBJECT,
 356                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 357
 358         return;
 359 }
 360
 361 GType
 362 modest_attachments_view_get_type (void)
 363 {
 364         static GType type = 0;
 365
 366         if (G_UNLIKELY(type == 0))
 367         {
 368                 static const GTypeInfo info =
 369                 {
 370                   sizeof (ModestAttachmentsViewClass),
 371                   NULL,   /* base_init */
 372                   NULL,   /* base_finalize */
 373                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 374                   NULL,   /* class_finalize */
 375                   NULL,   /* class_data */
 376                   sizeof (ModestAttachmentsView),
 377                   0,      /* n_preallocs */
 378                   modest_attachments_view_instance_init    /* instance_init */
 379                 };
 380
 381                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 382                         "ModestAttachmentsView",
 383                         &info, 0);
 384
 385         }
 386
 387         return type;
 388 }
 389
 390 /* buttons signal events */
 391 static gboolean
 392 button_press_event (GtkWidget *widget,
 393                     GdkEventButton *event,
 394                     ModestAttachmentsView *atts_view)
 395 {
 396         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 397         if (!GTK_WIDGET_HAS_FOCUS (widget))
 398                 gtk_widget_grab_focus (widget);
 399
 400         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 401                 GtkWidget *att_view = NULL;
 402
 403                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 404                                                    (gint) event->x_root, (gint) event->y_root);
 405
 406                 if (att_view != NULL) {
 407                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 408                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 409                                 if (TNY_IS_MIME_PART (mime_part)) {
 410                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 411                                         g_object_unref (mime_part);
 412                                 }
 413                         } else {
 414                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 415
 416                                 /* Do not select purged attachments */
 417                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 418                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 419                                         priv->rubber_start = att_view;
 420                                         gtk_grab_add (widget);
 421                                 }
 422                                 g_object_unref (mime_part);
 423                         }
 424                 }
 425         }
 426         return TRUE;
 427
 428 }
 429
 430 static gboolean
 431 button_release_event (GtkWidget *widget,
 432                       GdkEventButton *event,
 433                       ModestAttachmentsView *atts_view)
 434 {
 435         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 436         if (widget == gtk_grab_get_current ()) {
 437                 GtkWidget *att_view = NULL;
 438
 439                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 440                                                    (gint) event->x_root, (gint) event->y_root);
 441
 442                 if (att_view != NULL) {
 443                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 444                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 445                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 446                                       MODEST_ATTACHMENT_VIEW (att_view));
 447                 }
 448                 priv->rubber_start = NULL;
 449                 gtk_grab_remove (widget);
 450         }
 451         return TRUE;
 452 }
 453
 454 static gboolean
 455 motion_notify_event (GtkWidget *widget,
 456                      GdkEventMotion *event,
 457                      ModestAttachmentsView *atts_view)
 458 {
 459         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 460         if (gtk_grab_get_current () == widget) {
 461                 GtkWidget *att_view = NULL;
 462
 463                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 464                                                    (gint) event->x_root, (gint) event->y_root);
 465
 466                 if (att_view != NULL) {
 467                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 468                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 469                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 470                                       MODEST_ATTACHMENT_VIEW (att_view));
 471                 }
 472         }
 473         return TRUE;
 474 }
 475
 476 static GList*
 477 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 478 {
 479         GList *tmp = NULL;
 480         gboolean is_valid;
 481
 482         if (!include_this) {
 483                 if (prev) {
 484                         tmp = g_list_previous (list);
 485                 } else {
 486                         tmp = g_list_next (list);
 487                 }
 488         } else {
 489                 tmp = list;
 490         }
 491
 492         if (!tmp)
 493                 return NULL;
 494
 495         do {
 496                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 497                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 498
 499                 /* Do not select purged attachments */
 500                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 501                         is_valid = TRUE;
 502                 } else {
 503                         if (prev)
 504                                 tmp = g_list_previous (tmp);
 505                         else
 506                                 tmp = g_list_next (tmp);
 507                         is_valid = FALSE;
 508                 }
 509                 g_object_unref (mime_part);
 510         } while (!is_valid && tmp);
 511
 512         return tmp;
 513 }
 514
 515
 516 static gboolean
 517 key_press_event (GtkWidget *widget,
 518                  GdkEventKey *event,
 519                  ModestAttachmentsView *atts_view)
 520 {
 521         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 522
 523         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 524         if (gtk_grab_get_current () == widget) {
 525                 if (event->keyval == GDK_Escape) {
 526                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 527                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 528                         priv->rubber_start = NULL;
 529                         gtk_grab_remove (widget);
 530                         return TRUE;
 531                 }
 532                 return FALSE;
 533         }
 534
 535         if (event->keyval == GDK_Up) {
 536                 ModestAttachmentView *current_sel = NULL;
 537                 gboolean move_out = FALSE;
 538                 GList * box_children, *new_sel, *first_child;
 539
 540                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 541                 if (box_children == NULL) {
 542                         move_out = TRUE;
 543                 } else {
 544                         first_child = box_children;
 545                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 546                         if (priv->selected != NULL && first_child != NULL) {
 547                                 if (priv->selected->data != first_child->data)
 548                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 549                                 else
 550                                         move_out = TRUE;
 551                         } else {
 552                                 move_out = TRUE;
 553                         }
 554                 }
 555
 556                 if (move_out) {
 557                         GtkWidget *toplevel = NULL;
 558                         /* move cursor outside */
 559                         toplevel = gtk_widget_get_toplevel (widget);
 560                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 561                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 562                         unselect_all (atts_view);
 563                 } else {
 564                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 565                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 566                         /* We assume that we detected properly that
 567                            there is a not purge attachment so we don't
 568                            need to check NULL */
 569                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 570                 }
 571                 g_list_free (box_children);
 572                 return TRUE;
 573         }
 574
 575         if (event->keyval == GDK_Down) {
 576                 ModestAttachmentView *current_sel = NULL;
 577                 gboolean move_out = FALSE;
 578                 GList * box_children, *new_sel, *last_child = NULL;
 579
 580                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 581
 582                 if (box_children == NULL) {
 583                         move_out = TRUE;
 584                 } else {
 585                         last_child = g_list_last (box_children);
 586                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 587                         if (priv->selected != NULL && last_child != NULL) {
 588                                 GList *last_selected = g_list_last (priv->selected);
 589                                 if (last_selected->data != last_child->data)
 590                                         current_sel = (ModestAttachmentView *) last_selected->data;
 591                                 else
 592                                         move_out = TRUE;
 593                         } else {
 594                                 move_out = TRUE;
 595                         }
 596                 }
 597
 598                 if (move_out) {
 599                         GtkWidget *toplevel = NULL;
 600                         /* move cursor outside */
 601                         toplevel = gtk_widget_get_toplevel (widget);
 602                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 603                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 604                         unselect_all (atts_view);
 605                 } else {
 606                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 607                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 608                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 609                 }
 610                 g_list_free (box_children);
 611                 return TRUE;
 612         }
 613
 614         /* Activates selected item */
 615         if (g_list_length (priv->selected) == 1) {
 616                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 617                 if ((event->keyval == GDK_Return)) {
 618                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 619                         if (TNY_IS_MIME_PART (mime_part)) {
 620                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 621                                 g_object_unref (mime_part);
 622                         }
 623                         return TRUE;
 624                 }
 625         }
 626
 627         return FALSE;
 628 }
 629
 630
 631 static GtkWidget *
 632 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 633                         gdouble x, gdouble y)
 634 {
 635         ModestAttachmentsViewPrivate *priv = NULL;
 636         GList *att_view_list, *node;
 637         GtkWidget *result = NULL;
 638
 639         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 640         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 641
 642         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 643                 GtkWidget *att_view = (GtkWidget *) node->data;
 644                 gint pos_x, pos_y, w, h, int_x, int_y;
 645                 gint widget_x, widget_y;
 646
 647                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 648
 649                 pos_x = widget_x;
 650                 pos_y = widget_y;
 651                 w = att_view->allocation.width;
 652                 h = att_view->allocation.height;
 653
 654                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 655                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 656
 657                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 658                         result = att_view;
 659                         break;
 660                 }
 661         }
 662
 663         g_list_free (att_view_list);
 664         return result;
 665 }
 666
 667 static void
 668 unselect_all (ModestAttachmentsView *atts_view)
 669 {
 670         ModestAttachmentsViewPrivate *priv = NULL;
 671         GList *att_view_list, *node;
 672
 673         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 674         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 675
 676         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 677                 GtkWidget *att_view = (GtkWidget *) node->data;
 678
 679                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 680                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 681         }
 682
 683         g_list_free (priv->selected);
 684         priv->selected = NULL;
 685
 686         g_list_free (att_view_list);
 687 }
 688
 689 static void
 690 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 691 {
 692         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 693         TnyMimePart *part;
 694
 695         unselect_all (atts_view);
 696         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 697
 698         g_list_free (priv->selected);
 699         priv->selected = NULL;
 700         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 701                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 702                 priv->selected = g_list_append (priv->selected, att_view);
 703         }
 704         if (part)
 705                 g_object_unref (part);
 706
 707         own_clipboard (atts_view);
 708 }
 709
 710 static void
 711 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 712 {
 713         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 714         GList *children = NULL;
 715         GList *node = NULL;
 716         gboolean selecting = FALSE;
 717         TnyMimePart *part;
 718
 719         unselect_all (atts_view);
 720
 721         if (att1 == att2) {
 722                 set_selected (atts_view, att1);
 723                 return;
 724         }
 725
 726         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 727         g_list_free (priv->selected);
 728         priv->selected = NULL;
 729
 730
 731         for (node = children; node != NULL; node = g_list_next (node)) {
 732                 if ((node->data == att1) || (node->data == att2)) {
 733                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 734                         if (!tny_mime_part_is_purged (part)) {
 735                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 736                                 priv->selected = g_list_append (priv->selected, node->data);
 737                         }
 738                         g_object_unref (part);
 739                         selecting = !selecting;
 740                 } else if (selecting) {
 741                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 742                         if (!tny_mime_part_is_purged (part)) {
 743                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 744                                 priv->selected = g_list_append (priv->selected, node->data);
 745                         }
 746                         g_object_unref (part);
 747                 }
 748
 749         }
 750         g_list_free (children);
 751
 752         own_clipboard (atts_view);
 753 }
 754
 755 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 756                            guint info, gpointer userdata)
 757 {
 758         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 759         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 760
 761         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 762                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 763                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 764                          * use an internal index. This index is simply the index of the attachment in the vbox */
 765                         GList *box_children = NULL;
 766                         gint index;
 767                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 768                         index = g_list_index (box_children, priv->selected);
 769                         if (index >= 0) {
 770                                 gchar *index_str = g_strdup_printf("%d", index);
 771                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 772                                 g_free (index_str);
 773                         }
 774                 }
 775         }
 776 }
 777
 778 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata)
 779 {
 780         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 781
 782         unselect_all (atts_view);
 783 }
 784
 785 TnyList *
 786 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 787 {
 788         ModestAttachmentsViewPrivate *priv;
 789         TnyList *selection;
 790         GList *node;
 791
 792         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 793         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 794
 795         selection = tny_simple_list_new ();
 796         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 797                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 798                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 799                 tny_list_append (selection, (GObject *) part);
 800                 g_object_unref (part);
 801         }
 802
 803         return selection;
 804 }
 805
 806 TnyList *
 807 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 808 {
 809         ModestAttachmentsViewPrivate *priv;
 810         TnyList *att_list;
 811         GList *children, *node= NULL;
 812
 813         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 814         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 815
 816         att_list = TNY_LIST (tny_simple_list_new ());
 817
 818         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 819         for (node = children; node != NULL; node = g_list_next (node)) {
 820                 GtkWidget *att_view = GTK_WIDGET (node->data);
 821                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 822                 tny_list_append (att_list, (GObject *) mime_part);
 823                 g_object_unref (mime_part);
 824         }
 825         g_list_free (children);
 826         return att_list;
 827
 828 }
 829
 830 void
 831 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 832 {
 833         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 834         GList *children = NULL;
 835         GList *node = NULL;
 836
 837         unselect_all (atts_view);
 838
 839         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 840         g_list_free (priv->selected);
 841         priv->selected = NULL;
 842
 843         for (node = children; node != NULL; node = g_list_next (node)) {
 844                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 845                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 846
 847                 /* Do not select purged attachments */
 848                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 849                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 850                         priv->selected = g_list_append (priv->selected, node->data);
 851                 }
 852                 g_object_unref (mime_part);
 853         }
 854         g_list_free (children);
 855
 856         own_clipboard (atts_view);
 857 }
 858
 859 gboolean
 860 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 861 {
 862         ModestAttachmentsViewPrivate *priv;
 863         GList *children;
 864         gboolean result;
 865
 866         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 867         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 868
 869         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 870         result = (children != NULL);
 871         g_list_free (children);
 872
 873         return result;
 874 }
 875
 876 void
 877 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 878                                    gint *attachments_count,
 879                                    guint64 *attachments_size)
 880 {
 881         ModestAttachmentsViewPrivate *priv;
 882         GList *children, *node;
 883
 884         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 885         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 886
 887         *attachments_count = 0;
 888         *attachments_size = 0;
 889
 890         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 891
 892         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 893         for (node = children; node != NULL; node = g_list_next (node)) {
 894                 GtkWidget *att_view = (GtkWidget *) node->data;
 895                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 896
 897                 if (!tny_mime_part_is_purged (part)) {
 898                         guint64 size;
 899                         (*attachments_count) ++;
 900                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 901                         if (size == 0) {
 902                                 /* we do a random estimation of the size of an attachment */
 903                                 size = 32768;
 904                         }
 905                         *attachments_size += size;
 906
 907                 }
 908                 g_object_unref (part);
 909         }
 910         g_list_free (children);
 911 }
 912
 913 static void
 914 own_clipboard (ModestAttachmentsView *atts_view)
 915 {
 916         GtkTargetEntry targets[] = {
 917                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 918         };
 919
 920         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 921                                       targets, G_N_ELEMENTS (targets),
 922                                       clipboard_get, clipboard_clear, G_OBJECT(atts_view));
 923
 924 }
 925
 926 static gboolean
 927 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 928 {
 929         if (!gtk_widget_is_focus (widget))
 930                 unselect_all (atts_view);
 931
 932         return FALSE;
 933 }
 934
 935 static gboolean
 936 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 937 {
 938         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 939         GList *children = NULL;
 940         GtkWidget *toplevel = NULL;
 941
 942         toplevel = gtk_widget_get_toplevel (widget);
 943         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 944                 return FALSE;
 945
 946         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 947         if (children != NULL) {
 948                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 949         }
 950         g_list_free (children);
 951
 952         return FALSE;
 953 }