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 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
 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         parts = TNY_LIST (tny_simple_list_new ());
 130         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 131         iter = tny_list_create_iterator (parts);
 132
 133         while (!tny_iterator_is_done (iter)) {
 134                 TnyMimePart *part;
 135
 136                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 137                 if (part && (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part))) {
 138                         modest_attachments_view_add_attachment (attachments_view, part);
 139                 }
 140
 141                 if (part)
 142                         g_object_unref (part);
 143
 144                 tny_iterator_next (iter);
 145         }
 146
 147         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 148
 149 }
 150
 151 void
 152 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part)
 153 {
 154         GtkWidget *att_view = NULL;
 155         ModestAttachmentsViewPrivate *priv = NULL;
 156
 157         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 158         g_return_if_fail (TNY_IS_MIME_PART (part));
 159
 160         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 161
 162         att_view = modest_attachment_view_new (part);
 163         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 164         gtk_widget_show_all (att_view);
 165 }
 166
 167 void
 168 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 169 {
 170         ModestAttachmentsViewPrivate *priv = NULL;
 171         GList *box_children = NULL, *node = NULL;
 172         ModestAttachmentView *found_att_view = NULL;
 173
 174         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 175         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 176
 177         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 178         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 179
 180         for (node = box_children; node != NULL; node = g_list_next (node)) {
 181                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 182                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 183
 184                 if (mime_part == cur_mime_part)
 185                         found_att_view = att_view;
 186
 187                 g_object_unref (cur_mime_part);
 188
 189                 if (found_att_view != NULL)
 190                         break;
 191         }
 192
 193         if (found_att_view) {
 194                 GList *node = NULL;
 195                 GtkWidget *next_widget = NULL;
 196                 GList *box_children = NULL;
 197
 198                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 199                 node = g_list_find (box_children, found_att_view);
 200                 if (node->next)
 201                         next_widget = node->next->data;
 202
 203                 g_list_free (box_children);
 204
 205                 node = g_list_find (priv->selected, found_att_view);
 206                 if (node != NULL) {
 207                         priv->selected = g_list_delete_link (priv->selected, node);
 208                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 209                         if ((priv->selected == NULL) && (next_widget != NULL))
 210                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 211                                               MODEST_ATTACHMENT_VIEW (next_widget));
 212                 }
 213                 own_clipboard (atts_view);
 214         }
 215
 216 }
 217
 218 void
 219 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 220 {
 221         ModestAttachmentsViewPrivate *priv = NULL;
 222         GList *box_children = NULL, *node = NULL;
 223
 224         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 225         g_return_if_fail (att_id != NULL);
 226
 227         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 228         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 229
 230         for (node = box_children; node != NULL; node = g_list_next (node)) {
 231                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 232                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 233                 const gchar *mime_part_id = NULL;
 234
 235                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 236                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 237                         gtk_widget_destroy (GTK_WIDGET (att_view));
 238                         priv->selected = g_list_remove (priv->selected, att_view);
 239                 }
 240
 241                 g_object_unref (cur_mime_part);
 242         }
 243
 244         own_clipboard (atts_view);
 245
 246 }
 247
 248 static void
 249 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 250 {
 251         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 252
 253         priv->msg = NULL;
 254         priv->box = gtk_vbox_new (FALSE, 0);
 255         priv->rubber_start = NULL;
 256         priv->selected = NULL;
 257
 258         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 259         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 260
 261         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 262         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 263         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 264         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 265         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 266         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 267
 268         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 269
 270         return;
 271 }
 272
 273 static void
 274 modest_attachments_view_finalize (GObject *object)
 275 {
 276         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 277
 278         if (priv->msg) {
 279                 g_object_unref (priv->msg);
 280                 priv->msg = NULL;
 281         }
 282
 283         (*parent_class->finalize) (object);
 284
 285         return;
 286 }
 287
 288 static void
 289 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 290 {
 291         GObjectClass *object_class;
 292         GtkWidgetClass *widget_class;
 293
 294         parent_class = g_type_class_peek_parent (klass);
 295         object_class = (GObjectClass*) klass;
 296         widget_class = GTK_WIDGET_CLASS (klass);
 297
 298         object_class->finalize = modest_attachments_view_finalize;
 299
 300         klass->activate = NULL;
 301
 302         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 303
 304         signals[ACTIVATE_SIGNAL] =
 305                 g_signal_new ("activate",
 306                               G_TYPE_FROM_CLASS (object_class),
 307                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 308                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 309                               NULL, NULL,
 310                               g_cclosure_marshal_VOID__OBJECT,
 311                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 312
 313         return;
 314 }
 315
 316 GType
 317 modest_attachments_view_get_type (void)
 318 {
 319         static GType type = 0;
 320
 321         if (G_UNLIKELY(type == 0))
 322         {
 323                 static const GTypeInfo info =
 324                 {
 325                   sizeof (ModestAttachmentsViewClass),
 326                   NULL,   /* base_init */
 327                   NULL,   /* base_finalize */
 328                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 329                   NULL,   /* class_finalize */
 330                   NULL,   /* class_data */
 331                   sizeof (ModestAttachmentsView),
 332                   0,      /* n_preallocs */
 333                   modest_attachments_view_instance_init    /* instance_init */
 334                 };
 335
 336                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 337                         "ModestAttachmentsView",
 338                         &info, 0);
 339
 340         }
 341
 342         return type;
 343 }
 344
 345 /* buttons signal events */
 346 static gboolean
 347 button_press_event (GtkWidget *widget,
 348                     GdkEventButton *event,
 349                     ModestAttachmentsView *atts_view)
 350 {
 351         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 352         if (!GTK_WIDGET_HAS_FOCUS (widget))
 353                 gtk_widget_grab_focus (widget);
 354
 355         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 356                 GtkWidget *att_view = NULL;
 357
 358                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 359                                                    (gint) event->x_root, (gint) event->y_root);
 360
 361                 if (att_view != NULL) {
 362                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 363                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 364                                 if (TNY_IS_MIME_PART (mime_part)) {
 365                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 366                                         g_object_unref (mime_part);
 367                                 }
 368                         } else {
 369                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 370                                 priv->rubber_start = att_view;
 371                                 gtk_grab_add (widget);
 372                         }
 373                 }
 374         }
 375         return TRUE;
 376
 377 }
 378
 379 static gboolean
 380 button_release_event (GtkWidget *widget,
 381                       GdkEventButton *event,
 382                       ModestAttachmentsView *atts_view)
 383 {
 384         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 385         if (widget == gtk_grab_get_current ()) {
 386                 GtkWidget *att_view = NULL;
 387
 388                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 389                                                    (gint) event->x_root, (gint) event->y_root);
 390
 391                 if (att_view != NULL) {
 392                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 393                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 394                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 395                                       MODEST_ATTACHMENT_VIEW (att_view));
 396                 }
 397                 priv->rubber_start = NULL;
 398                 gtk_grab_remove (widget);
 399         }
 400         return TRUE;
 401 }
 402
 403 static gboolean
 404 motion_notify_event (GtkWidget *widget,
 405                      GdkEventMotion *event,
 406                      ModestAttachmentsView *atts_view)
 407 {
 408         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 409         if (gtk_grab_get_current () == widget) {
 410                 GtkWidget *att_view = NULL;
 411
 412                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 413                                                    (gint) event->x_root, (gint) event->y_root);
 414
 415                 if (att_view != NULL) {
 416                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 417                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 418                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 419                                       MODEST_ATTACHMENT_VIEW (att_view));
 420                 }
 421         }
 422         return TRUE;
 423 }
 424
 425 static gboolean
 426 key_press_event (GtkWidget *widget,
 427                  GdkEventKey *event,
 428                  ModestAttachmentsView *atts_view)
 429 {
 430         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 431
 432         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 433         if (gtk_grab_get_current () == widget) {
 434                 if (event->keyval == GDK_Escape) {
 435                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 436                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 437                         priv->rubber_start = NULL;
 438                         gtk_grab_remove (widget);
 439                         return TRUE;
 440                 }
 441                 return FALSE;
 442         }
 443
 444         if (event->keyval == GDK_Up) {
 445                 ModestAttachmentView *current_sel = NULL;
 446                 gboolean move_out = FALSE;
 447                 GList * box_children, *new_sel;
 448
 449                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 450                 if (box_children == NULL)
 451                         move_out = TRUE;
 452                 else if ((priv->selected != NULL)&&(priv->selected->data != box_children->data))
 453                         current_sel = (ModestAttachmentView *) priv->selected->data;
 454                 else
 455                         move_out = TRUE;
 456
 457                 if (move_out) {
 458                         GtkWidget *toplevel = NULL;
 459                         /* move cursor outside */
 460                         toplevel = gtk_widget_get_toplevel (widget);
 461                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 462                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 463                         unselect_all (atts_view);
 464                 } else {
 465                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 466                         new_sel = g_list_previous (new_sel);
 467                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 468                 }
 469                 g_list_free (box_children);
 470                 return TRUE;
 471         }
 472
 473         if (event->keyval == GDK_Down) {
 474                 ModestAttachmentView *current_sel = NULL;
 475                 gboolean move_out = FALSE;
 476                 GList * box_children, *new_sel, *last_child = NULL;
 477
 478                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 479
 480                 if (box_children == NULL) {
 481                         move_out = TRUE;
 482                 } else {
 483                         last_child = g_list_last (box_children);
 484                         if (priv->selected != NULL) {
 485                                 GList *last_selected = g_list_last (priv->selected);
 486                                 if (last_selected->data != last_child->data)
 487                                         current_sel = (ModestAttachmentView *) last_selected->data;
 488                                 else
 489                                         move_out = TRUE;
 490                         } else {
 491                                 move_out = TRUE;
 492                         }
 493                 }
 494
 495                 if (move_out) {
 496                         GtkWidget *toplevel = NULL;
 497                         /* move cursor outside */
 498                         toplevel = gtk_widget_get_toplevel (widget);
 499                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 500                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 501                         unselect_all (atts_view);
 502                 } else {
 503                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 504                         new_sel = g_list_next (new_sel);
 505                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 506                 }
 507                 g_list_free (box_children);
 508                 return TRUE;
 509         }
 510
 511         /* Activates selected item */
 512         if (g_list_length (priv->selected) == 1) {
 513                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 514                 if ((event->keyval == GDK_Return)) {
 515                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 516                         if (TNY_IS_MIME_PART (mime_part)) {
 517                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 518                                 g_object_unref (mime_part);
 519                         }
 520                         return TRUE;
 521                 }
 522         }
 523
 524         return FALSE;
 525 }
 526
 527
 528 static GtkWidget *
 529 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 530                         gdouble x, gdouble y)
 531 {
 532         ModestAttachmentsViewPrivate *priv = NULL;
 533         GList *att_view_list, *node;
 534         GtkWidget *result = NULL;
 535
 536         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 537         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 538
 539         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 540                 GtkWidget *att_view = (GtkWidget *) node->data;
 541                 gint pos_x, pos_y, w, h, int_x, int_y;
 542                 gint widget_x, widget_y;
 543
 544                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 545
 546                 pos_x = widget_x;
 547                 pos_y = widget_y;
 548                 w = att_view->allocation.width;
 549                 h = att_view->allocation.height;
 550
 551                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 552                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 553
 554                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 555                         result = att_view;
 556                         break;
 557                 }
 558         }
 559
 560         g_list_free (att_view_list);
 561         return result;
 562 }
 563
 564 static void
 565 unselect_all (ModestAttachmentsView *atts_view)
 566 {
 567         ModestAttachmentsViewPrivate *priv = NULL;
 568         GList *att_view_list, *node;
 569
 570         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 571         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 572
 573         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 574                 GtkWidget *att_view = (GtkWidget *) node->data;
 575
 576                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 577                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 578         }
 579
 580         g_list_free (priv->selected);
 581         priv->selected = NULL;
 582
 583         g_list_free (att_view_list);
 584 }
 585
 586 static void
 587 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 588 {
 589         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 590
 591         unselect_all (atts_view);
 592         gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 593         g_list_free (priv->selected);
 594         priv->selected = NULL;
 595         priv->selected = g_list_append (priv->selected, att_view);
 596
 597         own_clipboard (atts_view);
 598 }
 599
 600 static void
 601 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 602 {
 603         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 604         GList *children = NULL;
 605         GList *node = NULL;
 606         gboolean selecting = FALSE;
 607
 608         unselect_all (atts_view);
 609
 610         if (att1 == att2) {
 611                 set_selected (atts_view, att1);
 612                 return;
 613         }
 614
 615         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 616         g_list_free (priv->selected);
 617         priv->selected = NULL;
 618
 619
 620         for (node = children; node != NULL; node = g_list_next (node)) {
 621                 if ((node->data == att1) || (node->data == att2)) {
 622                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 623                         priv->selected = g_list_append (priv->selected, node->data);
 624                         selecting = !selecting;
 625                 } else if (selecting) {
 626                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 627                         priv->selected = g_list_append (priv->selected, node->data);
 628                 }
 629
 630         }
 631         g_list_free (children);
 632
 633         own_clipboard (atts_view);
 634 }
 635
 636 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 637                            guint info, gpointer userdata)
 638 {
 639         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 640         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 641
 642         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 643                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->selected->data));
 644                 if (info != MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 645                         if (TNY_IS_MSG (mime_part)) {
 646                                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 647                                 if (TNY_IS_HEADER (header)) {
 648                                         const gchar *subject = NULL;
 649                                         subject = tny_header_get_subject (header);
 650                                         if ((subject == NULL) || (subject[0] == '\0'))
 651                                                 subject = _("mail_va_no_subject");
 652                                         gtk_selection_data_set_text (selection_data, subject, -1);
 653                                         g_object_unref (header);
 654                                 }
 655                         } else {
 656                                 gtk_selection_data_set_text (selection_data, tny_mime_part_get_filename (mime_part), -1);
 657                         }
 658                 } else {
 659                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 660                          * use an internal index. This index is simply the index of the attachment in the vbox */
 661                         GList *box_children = NULL;
 662                         gint index;
 663                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 664                         index = g_list_index (box_children, priv->selected);
 665                         if (index >= 0) {
 666                                 gchar *index_str = g_strdup_printf("%d", index);
 667                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 668                                 g_free (index_str);
 669                         }
 670                 }
 671         }
 672 }
 673
 674 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata)
 675 {
 676         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 677
 678         unselect_all (atts_view);
 679 }
 680
 681 GList *
 682 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 683 {
 684         ModestAttachmentsViewPrivate *priv;
 685         GList *selection, *node;
 686
 687         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 688         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 689
 690         selection = NULL;
 691         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 692                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 693                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 694                 selection = g_list_append (selection, part);
 695         }
 696
 697         return selection;
 698 }
 699
 700 GList *
 701 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 702 {
 703         ModestAttachmentsViewPrivate *priv;
 704         GList *children, *node, *att_list = NULL;
 705
 706         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 707         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 708
 709         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 710         for (node = children; node != NULL; node = g_list_next (node)) {
 711                 GtkWidget *att_view = GTK_WIDGET (node->data);
 712                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 713                 att_list = g_list_prepend (att_list, mime_part);
 714         }
 715         g_list_free (children);
 716         att_list = g_list_reverse (att_list);
 717         return att_list;
 718
 719 }
 720
 721 void
 722 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 723 {
 724         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 725         GList *children = NULL;
 726         GList *node = NULL;
 727
 728         unselect_all (atts_view);
 729
 730         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 731         g_list_free (priv->selected);
 732         priv->selected = NULL;
 733
 734
 735         for (node = children; node != NULL; node = g_list_next (node)) {
 736                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 737                 priv->selected = g_list_append (priv->selected, node->data);
 738         }
 739         g_list_free (children);
 740
 741         own_clipboard (atts_view);
 742 }
 743
 744 gboolean
 745 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 746 {
 747         ModestAttachmentsViewPrivate *priv;
 748         GList *children;
 749         gboolean result;
 750
 751         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 752         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 753
 754         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 755         result = (children != NULL);
 756         g_list_free (children);
 757
 758         return result;
 759 }
 760
 761 static void
 762 own_clipboard (ModestAttachmentsView *atts_view)
 763 {
 764         GtkTargetEntry targets[] = {
 765                 {"TEXT", 0, 0},
 766                 {"UTF8_STRING", 0, 1},
 767                 {"COMPOUND_TEXT", 0, 2},
 768                 {"STRING", 0, 3},
 769                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 770         };
 771
 772         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 773                                       targets, G_N_ELEMENTS (targets),
 774                                       clipboard_get, clipboard_clear, G_OBJECT(atts_view));
 775
 776 }
 777
 778 static gboolean
 779 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 780 {
 781         if (!gtk_widget_is_focus (widget))
 782                 unselect_all (atts_view);
 783
 784         return FALSE;
 785 }
 786
 787 static gboolean
 788 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 789 {
 790         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 791         GList *children = NULL;
 792         GtkWidget *toplevel = NULL;
 793
 794         toplevel = gtk_widget_get_toplevel (widget);
 795         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 796                 return FALSE;
 797
 798         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 799         if (children != NULL) {
 800                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 801         }
 802         g_list_free (children);
 803
 804         return FALSE;
 805 }