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