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 GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  72                                           gdouble x, gdouble y);
  73 static void unselect_all (ModestAttachmentsView *atts_view);
  74 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  75 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  76 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  77                            guint info, gpointer userdata);
  78 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata);
  79 static void own_clipboard (ModestAttachmentsView *atts_view);
  80
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 /**
  84  * modest_attachments_view_new:
  85  * @msg: a #TnyMsg
  86  *
  87  * Constructor for attachments view widget.
  88  *
  89  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  90  **/
  91 GtkWidget*
  92 modest_attachments_view_new (TnyMsg *msg)
  93 {
  94         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  95                                                     "resize-mode", GTK_RESIZE_PARENT,
  96                                                     NULL);
  97
  98         modest_attachments_view_set_message (self, msg);
  99
 100         return GTK_WIDGET (self);
 101 }
 102
 103 void
 104 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 105 {
 106         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 107         TnyList *parts;
 108         TnyIterator *iter;
 109
 110         if (msg == priv->msg) return;
 111
 112         if (priv->msg)
 113                 g_object_unref (priv->msg);
 114         if (msg)
 115                 g_object_ref (G_OBJECT(msg));
 116
 117         priv->msg = msg;
 118
 119         g_list_free (priv->selected);
 120         priv->selected = NULL;
 121
 122         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 123
 124         if (priv->msg == NULL) {
 125                 return;
 126         }
 127
 128         parts = TNY_LIST (tny_simple_list_new ());
 129         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 130         iter = tny_list_create_iterator (parts);
 131
 132         while (!tny_iterator_is_done (iter)) {
 133                 TnyMimePart *part;
 134
 135                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 136                 if (part && (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part))) {
 137                         modest_attachments_view_add_attachment (attachments_view, part);
 138                 }
 139
 140                 if (part)
 141                         g_object_unref (part);
 142
 143                 tny_iterator_next (iter);
 144         }
 145
 146         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 147
 148 }
 149
 150 void
 151 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part)
 152 {
 153         GtkWidget *att_view = NULL;
 154         ModestAttachmentsViewPrivate *priv = NULL;
 155
 156         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 157         g_return_if_fail (TNY_IS_MIME_PART (part));
 158
 159         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 160
 161         att_view = modest_attachment_view_new (part);
 162         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 163         gtk_widget_show_all (att_view);
 164 }
 165
 166 void
 167 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 168 {
 169         ModestAttachmentsViewPrivate *priv = NULL;
 170         GList *box_children = NULL, *node = NULL;
 171         ModestAttachmentView *found_att_view = NULL;
 172
 173         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 174         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 175
 176         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 177         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 178
 179         for (node = box_children; node != NULL; node = g_list_next (node)) {
 180                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 181                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 182
 183                 if (mime_part == cur_mime_part)
 184                         found_att_view = att_view;
 185
 186                 g_object_unref (cur_mime_part);
 187
 188                 if (found_att_view != NULL)
 189                         break;
 190         }
 191
 192         if (found_att_view) {
 193                 priv->selected = g_list_remove (priv->selected, found_att_view);
 194                 gtk_widget_destroy (GTK_WIDGET (found_att_view));
 195                 own_clipboard (atts_view);
 196         }
 197
 198 }
 199
 200 void
 201 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 202 {
 203         ModestAttachmentsViewPrivate *priv = NULL;
 204         GList *box_children = NULL, *node = NULL;
 205
 206         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 207         g_return_if_fail (att_id != NULL);
 208
 209         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 210         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 211
 212         for (node = box_children; node != NULL; node = g_list_next (node)) {
 213                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 214                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 215                 const gchar *mime_part_id = NULL;
 216
 217                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 218                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 219                         gtk_widget_destroy (GTK_WIDGET (att_view));
 220                         priv->selected = g_list_remove (priv->selected, att_view);
 221                 }
 222
 223                 g_object_unref (cur_mime_part);
 224         }
 225
 226         own_clipboard (atts_view);
 227
 228 }
 229
 230 static void
 231 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 232 {
 233         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 234
 235         priv->msg = NULL;
 236         priv->box = gtk_vbox_new (FALSE, 0);
 237         priv->rubber_start = NULL;
 238         priv->selected = NULL;
 239
 240         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 241         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 242
 243         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 244         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 245         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 246         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 247         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 248
 249         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 250
 251         return;
 252 }
 253
 254 static void
 255 modest_attachments_view_finalize (GObject *object)
 256 {
 257         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 258
 259         if (priv->msg) {
 260                 g_object_unref (priv->msg);
 261                 priv->msg = NULL;
 262         }
 263
 264         (*parent_class->finalize) (object);
 265
 266         return;
 267 }
 268
 269 static void
 270 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 271 {
 272         GObjectClass *object_class;
 273         GtkWidgetClass *widget_class;
 274
 275         parent_class = g_type_class_peek_parent (klass);
 276         object_class = (GObjectClass*) klass;
 277         widget_class = GTK_WIDGET_CLASS (klass);
 278
 279         object_class->finalize = modest_attachments_view_finalize;
 280
 281         klass->activate = NULL;
 282
 283         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 284
 285         signals[ACTIVATE_SIGNAL] =
 286                 g_signal_new ("activate",
 287                               G_TYPE_FROM_CLASS (object_class),
 288                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 289                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 290                               NULL, NULL,
 291                               g_cclosure_marshal_VOID__OBJECT,
 292                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 293
 294         return;
 295 }
 296
 297 GType
 298 modest_attachments_view_get_type (void)
 299 {
 300         static GType type = 0;
 301
 302         if (G_UNLIKELY(type == 0))
 303         {
 304                 static const GTypeInfo info =
 305                 {
 306                   sizeof (ModestAttachmentsViewClass),
 307                   NULL,   /* base_init */
 308                   NULL,   /* base_finalize */
 309                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 310                   NULL,   /* class_finalize */
 311                   NULL,   /* class_data */
 312                   sizeof (ModestAttachmentsView),
 313                   0,      /* n_preallocs */
 314                   modest_attachments_view_instance_init    /* instance_init */
 315                 };
 316
 317                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 318                         "ModestAttachmentsView",
 319                         &info, 0);
 320
 321         }
 322
 323         return type;
 324 }
 325
 326 /* buttons signal events */
 327 static gboolean
 328 button_press_event (GtkWidget *widget,
 329                     GdkEventButton *event,
 330                     ModestAttachmentsView *atts_view)
 331 {
 332         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 333         if (!GTK_WIDGET_HAS_FOCUS (widget))
 334                 gtk_widget_grab_focus (widget);
 335
 336         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 337                 GtkWidget *att_view = NULL;
 338
 339                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 340                                                    (gint) event->x_root, (gint) event->y_root);
 341
 342                 if (att_view != NULL) {
 343                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 344                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 345                                 if (TNY_IS_MIME_PART (mime_part)) {
 346                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 347                                         g_object_unref (mime_part);
 348                                 }
 349                         } else {
 350                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 351                                 priv->rubber_start = att_view;
 352                                 gtk_grab_add (widget);
 353                         }
 354                 }
 355         }
 356         return TRUE;
 357
 358 }
 359
 360 static gboolean
 361 button_release_event (GtkWidget *widget,
 362                       GdkEventButton *event,
 363                       ModestAttachmentsView *atts_view)
 364 {
 365         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 366         if (widget == gtk_grab_get_current ()) {
 367                 GtkWidget *att_view = NULL;
 368
 369                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 370                                                    (gint) event->x_root, (gint) event->y_root);
 371
 372                 if (att_view != NULL) {
 373                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 374                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 375                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 376                                       MODEST_ATTACHMENT_VIEW (att_view));
 377                 }
 378                 priv->rubber_start = NULL;
 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
 393                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 394                                                    (gint) event->x_root, (gint) event->y_root);
 395
 396                 if (att_view != NULL) {
 397                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 398                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 399                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 400                                       MODEST_ATTACHMENT_VIEW (att_view));
 401                 }
 402         }
 403         return TRUE;
 404 }
 405
 406 static gboolean
 407 key_press_event (GtkWidget *widget,
 408                  GdkEventKey *event,
 409                  ModestAttachmentsView *atts_view)
 410 {
 411         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 412
 413         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 414         if (gtk_grab_get_current () == widget) {
 415                 if (event->keyval == GDK_Escape) {
 416                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 417                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 418                         priv->rubber_start = NULL;
 419                         gtk_grab_remove (widget);
 420                         return TRUE;
 421                 }
 422                 return FALSE;
 423         }
 424
 425         if (event->keyval == GDK_Up) {
 426                 ModestAttachmentView *current_sel = NULL;
 427                 gboolean move_out = FALSE;
 428                 GList * box_children, *new_sel;
 429
 430                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 431                 if (box_children == NULL)
 432                         move_out = TRUE;
 433                 else if ((priv->selected != NULL)&&(priv->selected->data != box_children->data))
 434                         current_sel = (ModestAttachmentView *) priv->selected->data;
 435                 else
 436                         move_out = TRUE;
 437
 438                 if (move_out) {
 439                         GtkWidget *toplevel = NULL;
 440                         /* move cursor outside */
 441                         toplevel = gtk_widget_get_toplevel (widget);
 442                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 443                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 444                         unselect_all (atts_view);
 445                 } else {
 446                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 447                         new_sel = g_list_previous (new_sel);
 448                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 449                 }
 450                 g_list_free (box_children);
 451                 return TRUE;
 452         }
 453
 454         if (event->keyval == GDK_Down) {
 455                 ModestAttachmentView *current_sel = NULL;
 456                 gboolean move_out = FALSE;
 457                 GList * box_children, *new_sel, *last_child = NULL;
 458
 459                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 460
 461                 if (box_children == NULL) {
 462                         move_out = TRUE;
 463                 } else {
 464                         last_child = g_list_last (box_children);
 465                         if (priv->selected != NULL) {
 466                                 GList *last_selected = g_list_last (priv->selected);
 467                                 if (last_selected->data != last_child->data)
 468                                         current_sel = (ModestAttachmentView *) last_selected->data;
 469                                 else
 470                                         move_out = TRUE;
 471                         } else {
 472                                 move_out = TRUE;
 473                         }
 474                 }
 475
 476                 if (move_out) {
 477                         GtkWidget *toplevel = NULL;
 478                         /* move cursor outside */
 479                         toplevel = gtk_widget_get_toplevel (widget);
 480                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 481                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 482                         unselect_all (atts_view);
 483                 } else {
 484                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 485                         new_sel = g_list_next (new_sel);
 486                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 487                 }
 488                 g_list_free (box_children);
 489                 return TRUE;
 490         }
 491
 492         /* Activates selected item */
 493         if (g_list_length (priv->selected) == 1) {
 494                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 495                 if ((event->keyval == GDK_Return)) {
 496                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 497                         if (TNY_IS_MIME_PART (mime_part)) {
 498                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 499                                 g_object_unref (mime_part);
 500                         }
 501                         return TRUE;
 502                 }
 503         }
 504
 505         return FALSE;
 506 }
 507
 508
 509 static GtkWidget *
 510 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 511                         gdouble x, gdouble y)
 512 {
 513         ModestAttachmentsViewPrivate *priv = NULL;
 514         GList *att_view_list, *node;
 515         GtkWidget *result = NULL;
 516
 517         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 518         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 519
 520         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 521                 GtkWidget *att_view = (GtkWidget *) node->data;
 522                 gint pos_x, pos_y, w, h, int_x, int_y;
 523                 gint widget_x, widget_y;
 524
 525                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 526
 527                 pos_x = widget_x;
 528                 pos_y = widget_y;
 529                 w = att_view->allocation.width;
 530                 h = att_view->allocation.height;
 531
 532                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 533                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 534
 535                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 536                         result = att_view;
 537                         break;
 538                 }
 539         }
 540
 541         g_list_free (att_view_list);
 542         return result;
 543 }
 544
 545 static void
 546 unselect_all (ModestAttachmentsView *atts_view)
 547 {
 548         ModestAttachmentsViewPrivate *priv = NULL;
 549         GList *att_view_list, *node;
 550
 551         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 552         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 553
 554         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 555                 GtkWidget *att_view = (GtkWidget *) node->data;
 556
 557                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 558                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 559         }
 560
 561         g_list_free (priv->selected);
 562         priv->selected = NULL;
 563
 564         g_list_free (att_view_list);
 565 }
 566
 567 static void
 568 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 569 {
 570         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 571
 572         unselect_all (atts_view);
 573         gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 574         g_list_free (priv->selected);
 575         priv->selected = NULL;
 576         priv->selected = g_list_append (priv->selected, att_view);
 577
 578         own_clipboard (atts_view);
 579 }
 580
 581 static void
 582 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 583 {
 584         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 585         GList *children = NULL;
 586         GList *node = NULL;
 587         gboolean selecting = FALSE;
 588
 589         unselect_all (atts_view);
 590
 591         if (att1 == att2) {
 592                 set_selected (atts_view, att1);
 593                 return;
 594         }
 595
 596         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 597         g_list_free (priv->selected);
 598         priv->selected = NULL;
 599
 600
 601         for (node = children; node != NULL; node = g_list_next (node)) {
 602                 if ((node->data == att1) || (node->data == att2)) {
 603                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 604                         priv->selected = g_list_append (priv->selected, node->data);
 605                         selecting = !selecting;
 606                 } else if (selecting) {
 607                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 608                         priv->selected = g_list_append (priv->selected, node->data);
 609                 }
 610
 611         }
 612         g_list_free (children);
 613
 614         own_clipboard (atts_view);
 615 }
 616
 617 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 618                            guint info, gpointer userdata)
 619 {
 620         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 621         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 622
 623         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 624                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->selected->data));
 625                 if (info != MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 626                         if (TNY_IS_MSG (mime_part)) {
 627                                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 628                                 if (TNY_IS_HEADER (header)) {
 629                                         const gchar *subject = NULL;
 630                                         subject = tny_header_get_subject (header);
 631                                         if ((subject == NULL) || (subject[0] == '\0'))
 632                                                 subject = _("mail_va_no_subject");
 633                                         gtk_selection_data_set_text (selection_data, subject, -1);
 634                                         g_object_unref (header);
 635                                 }
 636                         } else {
 637                                 gtk_selection_data_set_text (selection_data, tny_mime_part_get_filename (mime_part), -1);
 638                         }
 639                 } else {
 640                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 641                          * use an internal index. This index is simply the index of the attachment in the vbox */
 642                         GList *box_children = NULL;
 643                         gint index;
 644                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 645                         index = g_list_index (box_children, priv->selected);
 646                         if (index >= 0) {
 647                                 gchar *index_str = g_strdup_printf("%d", index);
 648                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 649                                 g_free (index_str);
 650                         }
 651                 }
 652         }
 653 }
 654
 655 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata)
 656 {
 657         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 658
 659         unselect_all (atts_view);
 660 }
 661
 662 GList *
 663 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 664 {
 665         ModestAttachmentsViewPrivate *priv;
 666         GList *selection, *node;
 667
 668         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 669         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 670
 671         selection = NULL;
 672         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 673                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 674                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 675                 selection = g_list_append (selection, part);
 676         }
 677
 678         return selection;
 679 }
 680
 681 GList *
 682 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 683 {
 684         ModestAttachmentsViewPrivate *priv;
 685         GList *children, *node, *att_list = NULL;
 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         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 691         for (node = children; node != NULL; node = g_list_next (node)) {
 692                 GtkWidget *att_view = GTK_WIDGET (node->data);
 693                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 694                 att_list = g_list_prepend (att_list, mime_part);
 695         }
 696         g_list_free (children);
 697         att_list = g_list_reverse (att_list);
 698         return att_list;
 699
 700 }
 701
 702 void
 703 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 704 {
 705         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 706         GList *children = NULL;
 707         GList *node = NULL;
 708
 709         unselect_all (atts_view);
 710
 711         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 712         g_list_free (priv->selected);
 713         priv->selected = NULL;
 714
 715
 716         for (node = children; node != NULL; node = g_list_next (node)) {
 717                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 718                 priv->selected = g_list_append (priv->selected, node->data);
 719         }
 720         g_list_free (children);
 721
 722         own_clipboard (atts_view);
 723 }
 724
 725 gboolean
 726 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 727 {
 728         ModestAttachmentsViewPrivate *priv;
 729         GList *children;
 730         gboolean result;
 731
 732         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 733         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 734
 735         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 736         result = (children != NULL);
 737         g_list_free (children);
 738
 739         return result;
 740 }
 741
 742 static void
 743 own_clipboard (ModestAttachmentsView *atts_view)
 744 {
 745         GtkTargetEntry targets[] = {
 746                 {"TEXT", 0, 0},
 747                 {"UTF8_STRING", 0, 1},
 748                 {"COMPOUND_TEXT", 0, 2},
 749                 {"STRING", 0, 3},
 750                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 751         };
 752
 753         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 754                                       targets, G_N_ELEMENTS (targets),
 755                                       clipboard_get, clipboard_clear, G_OBJECT(atts_view));
 756
 757 }
 758
 759 static gboolean
 760 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 761 {
 762         if (!gtk_widget_is_focus (widget))
 763                 unselect_all (atts_view);
 764
 765         return FALSE;
 766 }