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