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 <glib/gi18n-lib.h>
  33
  34 #include <string.h>
  35 #include <gtk/gtk.h>
  36 #include <gdk/gdkkeysyms.h>
  37 #include <tny-list.h>
  38 #include <tny-simple-list.h>
  39
  40 #include <modest-platform.h>
  41 #include <modest-runtime.h>
  42 #include <modest-attachment-view.h>
  43 #include <modest-attachments-view.h>
  44
  45 static GObjectClass *parent_class = NULL;
  46
  47 /* signals */
  48 enum {
  49         ACTIVATE_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 GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  71                                           gdouble x, gdouble y);
  72 static void unselect_all (ModestAttachmentsView *atts_view);
  73 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  74 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  75 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  76                            guint info, gpointer userdata);
  77 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata);
  78 static void own_clipboard (ModestAttachmentsView *atts_view);
  79
  80 static guint signals[LAST_SIGNAL] = {0};
  81
  82 /**
  83  * modest_attachments_view_new:
  84  * @msg: a #TnyMsg
  85  *
  86  * Constructor for attachments view widget.
  87  *
  88  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  89  **/
  90 GtkWidget*
  91 modest_attachments_view_new (TnyMsg *msg)
  92 {
  93         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  94                                                     "resize-mode", GTK_RESIZE_PARENT,
  95                                                     NULL);
  96
  97         modest_attachments_view_set_message (self, msg);
  98
  99         return GTK_WIDGET (self);
 100 }
 101
 102 void
 103 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 104 {
 105         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 106         TnyList *parts;
 107         TnyIterator *iter;
 108
 109         if (msg == priv->msg) return;
 110
 111         if (priv->msg)
 112                 g_object_unref (priv->msg);
 113         if (msg)
 114                 g_object_ref (G_OBJECT(msg));
 115
 116         priv->msg = msg;
 117
 118         g_list_free (priv->selected);
 119         priv->selected = NULL;
 120
 121         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 122
 123         if (priv->msg == NULL) {
 124                 return;
 125         }
 126
 127         parts = TNY_LIST (tny_simple_list_new ());
 128         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 129         iter = tny_list_create_iterator (parts);
 130
 131         while (!tny_iterator_is_done (iter)) {
 132                 TnyMimePart *part;
 133
 134                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 135                 if (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part)) {
 136                         modest_attachments_view_add_attachment (attachments_view, part);
 137                 }
 138                 g_object_unref (part);
 139                 tny_iterator_next (iter);
 140         }
 141
 142         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 143
 144 }
 145
 146 void
 147 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part)
 148 {
 149         GtkWidget *att_view = NULL;
 150         ModestAttachmentsViewPrivate *priv = NULL;
 151
 152         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 153         g_return_if_fail (TNY_IS_MIME_PART (part));
 154
 155         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 156
 157         att_view = modest_attachment_view_new (part);
 158         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 159         gtk_widget_show_all (att_view);
 160 }
 161
 162 void
 163 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 164 {
 165         ModestAttachmentsViewPrivate *priv = NULL;
 166         GList *box_children = NULL, *node = NULL;
 167         ModestAttachmentView *found_att_view = NULL;
 168
 169         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 170         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 171
 172         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 173         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 174
 175         for (node = box_children; node != NULL; node = g_list_next (node)) {
 176                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 177                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 178
 179                 if (mime_part == cur_mime_part)
 180                         found_att_view = att_view;
 181
 182                 g_object_unref (cur_mime_part);
 183
 184                 if (found_att_view != NULL)
 185                         break;
 186         }
 187
 188         if (found_att_view) {
 189                 gtk_widget_destroy (GTK_WIDGET (found_att_view));
 190         }
 191
 192 }
 193
 194 void
 195 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 196 {
 197         ModestAttachmentsViewPrivate *priv = NULL;
 198         GList *box_children = NULL, *node = NULL;
 199
 200         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 201         g_return_if_fail (att_id != NULL);
 202
 203         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 204         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 205
 206         for (node = box_children; node != NULL; node = g_list_next (node)) {
 207                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 208                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 209                 const gchar *mime_part_id = NULL;
 210
 211                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 212                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0))
 213                         gtk_widget_destroy (GTK_WIDGET (att_view));
 214
 215                 g_object_unref (cur_mime_part);
 216         }
 217
 218 }
 219
 220 static void
 221 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 222 {
 223         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 224
 225         priv->msg = NULL;
 226         priv->box = gtk_vbox_new (FALSE, 0);
 227         priv->rubber_start = NULL;
 228         priv->selected = NULL;
 229
 230         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 231         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 232
 233         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 234         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 235         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 236         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 237
 238         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 239
 240         return;
 241 }
 242
 243 static void
 244 modest_attachments_view_finalize (GObject *object)
 245 {
 246         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 247
 248         if (priv->msg) {
 249                 g_object_unref (priv->msg);
 250                 priv->msg = NULL;
 251         }
 252
 253         (*parent_class->finalize) (object);
 254
 255         return;
 256 }
 257
 258 static void
 259 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 260 {
 261         GObjectClass *object_class;
 262         GtkWidgetClass *widget_class;
 263
 264         parent_class = g_type_class_peek_parent (klass);
 265         object_class = (GObjectClass*) klass;
 266         widget_class = GTK_WIDGET_CLASS (klass);
 267
 268         object_class->finalize = modest_attachments_view_finalize;
 269
 270         klass->activate = NULL;
 271
 272         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 273
 274         signals[ACTIVATE_SIGNAL] =
 275                 g_signal_new ("activate",
 276                               G_TYPE_FROM_CLASS (object_class),
 277                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 278                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 279                               NULL, NULL,
 280                               g_cclosure_marshal_VOID__OBJECT,
 281                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 282
 283         return;
 284 }
 285
 286 GType
 287 modest_attachments_view_get_type (void)
 288 {
 289         static GType type = 0;
 290
 291         if (G_UNLIKELY(type == 0))
 292         {
 293                 static const GTypeInfo info =
 294                 {
 295                   sizeof (ModestAttachmentsViewClass),
 296                   NULL,   /* base_init */
 297                   NULL,   /* base_finalize */
 298                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 299                   NULL,   /* class_finalize */
 300                   NULL,   /* class_data */
 301                   sizeof (ModestAttachmentsView),
 302                   0,      /* n_preallocs */
 303                   modest_attachments_view_instance_init    /* instance_init */
 304                 };
 305
 306                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 307                         "ModestAttachmentsView",
 308                         &info, 0);
 309
 310         }
 311
 312         return type;
 313 }
 314
 315 /* buttons signal events */
 316 static gboolean
 317 button_press_event (GtkWidget *widget,
 318                     GdkEventButton *event,
 319                     ModestAttachmentsView *atts_view)
 320 {
 321         gint widget_x, widget_y;
 322         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 323         if (!GTK_WIDGET_HAS_FOCUS (widget))
 324                 gtk_widget_grab_focus (widget);
 325
 326         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 327                 GtkWidget *att_view = NULL;
 328                 GdkWindow *parent_window;
 329
 330                 parent_window = gtk_widget_get_parent_window (widget);
 331                 gdk_window_get_origin (parent_window, &widget_x, &widget_y);
 332
 333                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 334                                                    ((gint) event->x_root) - widget_x, ((gint) event->y_root) - widget_y);
 335
 336                 if (att_view != NULL) {
 337                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 338                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 339                                 if (TNY_IS_MIME_PART (mime_part)) {
 340                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 341                                         g_object_unref (mime_part);
 342                                 }
 343                         } else {
 344                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 345                                 priv->rubber_start = att_view;
 346                                 gtk_grab_add (widget);
 347                         }
 348                 }
 349         }
 350         return TRUE;
 351
 352 }
 353
 354 static gboolean
 355 button_release_event (GtkWidget *widget,
 356                       GdkEventButton *event,
 357                       ModestAttachmentsView *atts_view)
 358 {
 359         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 360         if (widget == gtk_grab_get_current ()) {
 361                 GdkWindow *parent_window;
 362                 GtkWidget *att_view = NULL;
 363                 gint widget_x, widget_y;
 364
 365                 parent_window = gtk_widget_get_parent_window (widget);
 366                 gdk_window_get_origin (parent_window, &widget_x, &widget_y);
 367
 368                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 369                                                    ((gint) event->x_root) - widget_x, ((gint) event->y_root) - widget_y);
 370
 371                 if (att_view != NULL) {
 372                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 373                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 374                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 375                                       MODEST_ATTACHMENT_VIEW (att_view));
 376                 }
 377                 priv->rubber_start = NULL;
 378
 379                 gtk_grab_remove (widget);
 380         }
 381         return TRUE;
 382 }
 383
 384 static gboolean
 385 motion_notify_event (GtkWidget *widget,
 386                      GdkEventMotion *event,
 387                      ModestAttachmentsView *atts_view)
 388 {
 389         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 390         if (gtk_grab_get_current () == widget) {
 391                 GtkWidget *att_view = NULL;
 392                 GdkWindow *parent_window;
 393                 gint widget_x, widget_y;
 394
 395                 parent_window = gtk_widget_get_parent_window (widget);
 396                 gdk_window_get_origin (parent_window, &widget_x, &widget_y);
 397
 398                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 399                                                    ((gint) event->x_root) - widget_x, ((gint) event->y_root) - widget_y);
 400
 401                 if (att_view != NULL) {
 402                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 403                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 404                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 405                                       MODEST_ATTACHMENT_VIEW (att_view));
 406                 }
 407         }
 408         return TRUE;
 409 }
 410
 411 static gboolean
 412 key_press_event (GtkWidget *widget,
 413                  GdkEventKey *event,
 414                  ModestAttachmentsView *atts_view)
 415 {
 416         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 417
 418         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 419         if (gtk_grab_get_current () == widget) {
 420                 if (event->keyval == GDK_Escape) {
 421                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 422                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 423                         priv->rubber_start = NULL;
 424                         gtk_grab_remove (widget);
 425                         return TRUE;
 426                 }
 427                 return FALSE;
 428         }
 429
 430         if (event->keyval == GDK_Up) {
 431                 ModestAttachmentView *current_sel = NULL;
 432                 gboolean move_out = FALSE;
 433                 GList * box_children, *new_sel;
 434
 435                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 436                 if (box_children == NULL)
 437                         move_out = TRUE;
 438                 else if ((priv->selected != NULL)&&(priv->selected->data != box_children->data))
 439                         current_sel = (ModestAttachmentView *) priv->selected->data;
 440                 else
 441                         move_out = TRUE;
 442
 443                 if (move_out) {
 444                         GtkWidget *toplevel = NULL;
 445                         /* move cursor outside */
 446                         toplevel = gtk_widget_get_toplevel (widget);
 447                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 448                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 449                         unselect_all (atts_view);
 450                 } else {
 451                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 452                         new_sel = g_list_previous (new_sel);
 453                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 454                 }
 455                 g_list_free (box_children);
 456                 return TRUE;
 457         }
 458
 459         if (event->keyval == GDK_Down) {
 460                 ModestAttachmentView *current_sel = NULL;
 461                 gboolean move_out = FALSE;
 462                 GList * box_children, *new_sel, *last_child = NULL;
 463
 464                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 465
 466                 if (box_children == NULL) {
 467                         move_out = TRUE;
 468                 } else {
 469                         last_child = g_list_last (box_children);
 470                         if (priv->selected != NULL) {
 471                                 GList *last_selected = g_list_last (priv->selected);
 472                                 if (last_selected->data != last_child->data)
 473                                         current_sel = (ModestAttachmentView *) last_selected->data;
 474                                 else
 475                                         move_out = TRUE;
 476                         } else {
 477                                 move_out = TRUE;
 478                         }
 479                 }
 480
 481                 if (move_out) {
 482                         GtkWidget *toplevel = NULL;
 483                         /* move cursor outside */
 484                         toplevel = gtk_widget_get_toplevel (widget);
 485                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 486                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 487                         unselect_all (atts_view);
 488                 } else {
 489                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 490                         new_sel = g_list_next (new_sel);
 491                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 492                 }
 493                 g_list_free (box_children);
 494                 return TRUE;
 495         }
 496
 497         /* Activates selected item */
 498         if (g_list_length (priv->selected) == 1) {
 499                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 500                 if ((event->keyval == GDK_Return)) {
 501                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 502                         if (TNY_IS_MIME_PART (mime_part)) {
 503                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 504                                 g_object_unref (mime_part);
 505                         }
 506                         return TRUE;
 507                 }
 508         }
 509
 510         return FALSE;
 511 }
 512
 513
 514 static GtkWidget *
 515 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 516                         gdouble x, gdouble y)
 517 {
 518         ModestAttachmentsViewPrivate *priv = NULL;
 519         GList *att_view_list, *node;
 520         GtkWidget *result = NULL;
 521
 522         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 523         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 524
 525         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 526                 GtkWidget *att_view = (GtkWidget *) node->data;
 527                 gint pos_x, pos_y, w, h, int_x, int_y;
 528
 529                 pos_x = att_view->allocation.x;
 530                 pos_y = att_view->allocation.y;
 531                 w = att_view->allocation.width;
 532                 h = att_view->allocation.height;
 533
 534                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 535                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 536
 537                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 538                         result = att_view;
 539                         break;
 540                 }
 541         }
 542
 543         g_list_free (att_view_list);
 544         return result;
 545 }
 546
 547 static void
 548 unselect_all (ModestAttachmentsView *atts_view)
 549 {
 550         ModestAttachmentsViewPrivate *priv = NULL;
 551         GList *att_view_list, *node;
 552
 553         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 554         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 555
 556         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 557                 GtkWidget *att_view = (GtkWidget *) node->data;
 558
 559                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 560                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 561         }
 562
 563         g_list_free (priv->selected);
 564         priv->selected = NULL;
 565
 566         g_list_free (att_view_list);
 567 }
 568
 569 static void
 570 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 571 {
 572         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 573
 574         unselect_all (atts_view);
 575         gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 576         g_list_free (priv->selected);
 577         priv->selected = NULL;
 578         priv->selected = g_list_append (priv->selected, att_view);
 579
 580         own_clipboard (atts_view);
 581 }
 582
 583 static void
 584 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 585 {
 586         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 587         GList *children = NULL;
 588         GList *node = NULL;
 589         gboolean selecting = FALSE;
 590
 591         unselect_all (atts_view);
 592
 593         if (att1 == att2) {
 594                 set_selected (atts_view, att1);
 595                 return;
 596         }
 597
 598         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 599         g_list_free (priv->selected);
 600         priv->selected = NULL;
 601
 602
 603         for (node = children; node != NULL; node = g_list_next (node)) {
 604                 if ((node->data == att1) || (node->data == att2)) {
 605                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 606                         priv->selected = g_list_append (priv->selected, node->data);
 607                         selecting = !selecting;
 608                 } else if (selecting) {
 609                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 610                         priv->selected = g_list_append (priv->selected, node->data);
 611                 }
 612
 613         }
 614         g_list_free (children);
 615
 616         own_clipboard (atts_view);
 617 }
 618
 619 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 620                            guint info, gpointer userdata)
 621 {
 622         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 623         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 624
 625         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 626                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->selected->data));
 627                 if (info != MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 628                         if (TNY_IS_MSG (mime_part)) {
 629                                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 630                                 if (TNY_IS_HEADER (header)) {
 631                                         gtk_selection_data_set_text (selection_data, tny_header_get_subject (header), -1);
 632                                         g_object_unref (header);
 633                                 }
 634                         } else {
 635                                 gtk_selection_data_set_text (selection_data, tny_mime_part_get_filename (mime_part), -1);
 636                         }
 637                 } else {
 638                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 639                          * use an internal index. This index is simply the index of the attachment in the vbox */
 640                         GList *box_children = NULL;
 641                         gint index;
 642                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 643                         index = g_list_index (box_children, priv->selected);
 644                         if (index >= 0) {
 645                                 gchar *index_str = g_strdup_printf("%d", index);
 646                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 647                                 g_free (index_str);
 648                         }
 649                 }
 650         }
 651 }
 652
 653 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata)
 654 {
 655         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 656
 657         unselect_all (atts_view);
 658 }
 659
 660 GList *
 661 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 662 {
 663         ModestAttachmentsViewPrivate *priv;
 664         GList *selection, *node;
 665
 666         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 667         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 668
 669         selection = NULL;
 670         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 671                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 672                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 673                 selection = g_list_append (selection, part);
 674         }
 675
 676         return selection;
 677 }
 678
 679 GList *
 680 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 681 {
 682         ModestAttachmentsViewPrivate *priv;
 683         GList *children, *node, *att_list = NULL;
 684
 685         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 686         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 687
 688         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 689         for (node = children; node != NULL; node = g_list_next (node)) {
 690                 GtkWidget *att_view = GTK_WIDGET (node->data);
 691                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 692                 att_list = g_list_prepend (att_list, mime_part);
 693         }
 694         g_list_free (children);
 695         att_list = g_list_reverse (att_list);
 696         return att_list;
 697
 698 }
 699
 700 void
 701 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 702 {
 703         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 704         GList *children = NULL;
 705         GList *node = NULL;
 706
 707         unselect_all (atts_view);
 708
 709         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 710         g_list_free (priv->selected);
 711         priv->selected = NULL;
 712
 713
 714         for (node = children; node != NULL; node = g_list_next (node)) {
 715                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 716                 priv->selected = g_list_append (priv->selected, node->data);
 717         }
 718         g_list_free (children);
 719
 720         own_clipboard (atts_view);
 721 }
 722
 723 gboolean
 724 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 725 {
 726         ModestAttachmentsViewPrivate *priv;
 727         GList *children;
 728         gboolean result;
 729
 730         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 731         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 732
 733         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 734         result = (children != NULL);
 735         g_list_free (children);
 736
 737         return result;
 738 }
 739
 740 static void
 741 own_clipboard (ModestAttachmentsView *atts_view)
 742 {
 743         GtkTargetEntry targets[] = {
 744                 {"TEXT", 0, 0},
 745                 {"UTF8_STRING", 0, 1},
 746                 {"COMPOUND_TEXT", 0, 2},
 747                 {"STRING", 0, 3},
 748                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 749         };
 750
 751         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 752                                       targets, G_N_ELEMENTS (targets),
 753                                       clipboard_get, clipboard_clear, G_OBJECT(atts_view));
 754
 755 }