git.maemo.org Git - modest/blob - src/widgets/modest-attachments-view.c

   1 /* Copyright (c) 2007, 2009, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <string.h>
  33 #include <gtk/gtk.h>
  34 #include <gdk/gdkkeysyms.h>
  35 #include <tny-list.h>
  36 #include <tny-simple-list.h>
  37
  38 #include <modest-platform.h>
  39 #include <modest-runtime.h>
  40 #include <modest-attachment-view.h>
  41 #include <modest-attachments-view.h>
  42 #include <modest-tny-mime-part.h>
  43 #include <modest-tny-msg.h>
  44
  45 static GObjectClass *parent_class = NULL;
  46
  47 /* signals */
  48 enum {
  49         ACTIVATE_SIGNAL,
  50         DELETE_SIGNAL,
  51         LAST_SIGNAL
  52 };
  53
  54 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  55
  56 struct _ModestAttachmentsViewPrivate
  57 {
  58         TnyMsg *msg;
  59         GtkWidget *box;
  60         GList *selected;
  61         GtkWidget *rubber_start;
  62         GtkWidget *press_att_view;
  63         ModestAttachmentsViewStyle style;
  64 };
  65
  66 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  67         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  68
  69 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  70 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  71 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  72 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  73 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  74 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view);
  75 static GtkWidget *get_att_view_at_coords (ModestAttachmentsView *atts_view,
  76                                           gdouble x, gdouble y);
  77 static void unselect_all (ModestAttachmentsView *atts_view);
  78 static void set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view);
  79 static void select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2);
  80 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
  81                            guint info, gpointer userdata);
  82 static void own_clipboard (ModestAttachmentsView *atts_view);
  83
  84 static guint signals[LAST_SIGNAL] = {0};
  85
  86 /**
  87  * modest_attachments_view_new:
  88  * @msg: a #TnyMsg
  89  *
  90  * Constructor for attachments view widget.
  91  *
  92  * Return value: a new #ModestAttachmentsView instance implemented for Gtk+
  93  **/
  94 GtkWidget*
  95 modest_attachments_view_new (TnyMsg *msg)
  96 {
  97         ModestAttachmentsView *self = g_object_new (MODEST_TYPE_ATTACHMENTS_VIEW,
  98                                                     "resize-mode", GTK_RESIZE_PARENT,
  99                                                     NULL);
 100
 101         modest_attachments_view_set_message (self, msg);
 102
 103         return GTK_WIDGET (self);
 104 }
 105
 106
 107 void
 108 modest_attachments_view_set_message (ModestAttachmentsView *attachments_view, TnyMsg *msg)
 109 {
 110         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 111         TnyList *parts;
 112         TnyIterator *iter;
 113         gchar *msg_content_type = NULL;
 114         TnyMimePart *part_to_check;
 115
 116         if (msg == priv->msg) return;
 117
 118         if (priv->msg)
 119                 g_object_unref (priv->msg);
 120         if (msg)
 121                 g_object_ref (G_OBJECT(msg));
 122
 123         priv->msg = msg;
 124
 125         g_list_free (priv->selected);
 126         priv->selected = NULL;
 127
 128         gtk_container_foreach (GTK_CONTAINER (priv->box), (GtkCallback) gtk_widget_destroy, NULL);
 129
 130         if (priv->msg == NULL) {
 131                 return;
 132         }
 133
 134         part_to_check = modest_tny_msg_get_attachments_parent (TNY_MSG (msg));
 135
 136         msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (part_to_check));
 137
 138         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 139          * embedded images in body */
 140         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 141                 gchar *header_content_type;
 142                 gboolean application_multipart = FALSE;
 143
 144                 g_free (msg_content_type);
 145
 146                 header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (part_to_check));
 147
 148                 if ((header_content_type != NULL) &&
 149                     !strstr (header_content_type, "application/")) {
 150                         application_multipart = TRUE;
 151                 }
 152                 g_free (header_content_type);
 153
 154                 if (application_multipart) {
 155                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 156                         g_object_unref (part_to_check);
 157                         return;
 158                 }
 159         } else {
 160                 gboolean direct_attach;
 161
 162                 direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
 163                                  !g_str_has_prefix (msg_content_type, "multipart") &&
 164                                  !g_str_has_prefix (msg_content_type, "text/"));
 165
 166                 g_free (msg_content_type);
 167
 168                 if (direct_attach) {
 169                         modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (part_to_check), TRUE, 0);
 170                         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 171                         g_object_unref (part_to_check);
 172                         return;
 173                 }
 174         }
 175
 176         parts = TNY_LIST (tny_simple_list_new ());
 177         tny_mime_part_get_parts (TNY_MIME_PART (part_to_check), parts);
 178         iter = tny_list_create_iterator (parts);
 179
 180         while (!tny_iterator_is_done (iter)) {
 181                 TnyMimePart *part;
 182
 183                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 184
 185                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 186                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 187
 188                 if (part)
 189                         g_object_unref (part);
 190
 191                 tny_iterator_next (iter);
 192         }
 193         g_object_unref (iter);
 194         g_object_unref (parts);
 195         g_object_unref (part_to_check);
 196
 197
 198         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 199
 200 }
 201
 202 void
 203 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 204                                         gboolean detect_size, guint64 size)
 205 {
 206         GtkWidget *att_view = NULL;
 207         ModestAttachmentsViewPrivate *priv = NULL;
 208
 209         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 210         g_return_if_fail (TNY_IS_MIME_PART (part));
 211
 212         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 213
 214         att_view = modest_attachment_view_new (part, detect_size);
 215         if (!detect_size)
 216                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 217         gtk_box_pack_start (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 218         gtk_widget_show_all (att_view);
 219         gtk_widget_queue_resize (GTK_WIDGET (attachments_view));
 220 }
 221
 222 void
 223 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 224 {
 225         ModestAttachmentsViewPrivate *priv = NULL;
 226         GList *box_children = NULL, *node = NULL;
 227         ModestAttachmentView *found_att_view = NULL;
 228
 229         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 230         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 231
 232         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 233         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 234
 235         for (node = box_children; node != NULL; node = g_list_next (node)) {
 236                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 237                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 238
 239                 if (mime_part == cur_mime_part)
 240                         found_att_view = att_view;
 241
 242                 g_object_unref (cur_mime_part);
 243
 244                 if (found_att_view != NULL)
 245                         break;
 246         }
 247
 248         if (found_att_view) {
 249                 GList *node = NULL;
 250                 GtkWidget *next_widget = NULL;
 251                 GList *box_children = NULL;
 252
 253                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 254                 node = g_list_find (box_children, found_att_view);
 255                 if (node && node->next)
 256                         next_widget = node->next->data;
 257
 258                 g_list_free (box_children);
 259                 gtk_widget_destroy (GTK_WIDGET (found_att_view));
 260
 261                 node = g_list_find (priv->selected, found_att_view);
 262                 if (node) {
 263                         priv->selected = g_list_delete_link (priv->selected, node);
 264                         if ((priv->selected == NULL) && (next_widget != NULL))
 265                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 266                                               MODEST_ATTACHMENT_VIEW (next_widget));
 267                 }
 268                 own_clipboard (atts_view);
 269
 270         }
 271
 272         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 273 }
 274
 275 void
 276 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 277 {
 278         ModestAttachmentsViewPrivate *priv = NULL;
 279         GList *box_children = NULL, *node = NULL;
 280
 281         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 282         g_return_if_fail (att_id != NULL);
 283
 284         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 285         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 286
 287         for (node = box_children; node != NULL; node = g_list_next (node)) {
 288                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 289                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 290                 const gchar *mime_part_id = NULL;
 291
 292                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 293                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 294                         gtk_widget_destroy (GTK_WIDGET (att_view));
 295                         priv->selected = g_list_remove (priv->selected, att_view);
 296                 }
 297
 298                 g_object_unref (cur_mime_part);
 299         }
 300
 301         own_clipboard (atts_view);
 302
 303         gtk_widget_queue_resize (GTK_WIDGET (atts_view));
 304 }
 305
 306 static void
 307 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 308 {
 309         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 310
 311         priv->msg = NULL;
 312         priv->box = gtk_vbox_new (FALSE, 0);
 313         priv->rubber_start = NULL;
 314         priv->press_att_view = NULL;
 315         priv->selected = NULL;
 316         priv->style = MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE;
 317
 318         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 319         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 320
 321         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 322         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 323         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 324         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 325         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 326         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 327
 328         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 329
 330         return;
 331 }
 332
 333 static void
 334 modest_attachments_view_finalize (GObject *object)
 335 {
 336         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 337
 338         if (priv->msg) {
 339                 g_object_unref (priv->msg);
 340                 priv->msg = NULL;
 341         }
 342
 343         (*parent_class->finalize) (object);
 344
 345         return;
 346 }
 347
 348 static void
 349 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 350 {
 351         GObjectClass *object_class;
 352         GtkWidgetClass *widget_class;
 353
 354         parent_class = g_type_class_peek_parent (klass);
 355         object_class = (GObjectClass*) klass;
 356         widget_class = GTK_WIDGET_CLASS (klass);
 357
 358         object_class->finalize = modest_attachments_view_finalize;
 359
 360         klass->activate = NULL;
 361
 362         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 363
 364         signals[ACTIVATE_SIGNAL] =
 365                 g_signal_new ("activate",
 366                               G_TYPE_FROM_CLASS (object_class),
 367                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 368                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 369                               NULL, NULL,
 370                               g_cclosure_marshal_VOID__OBJECT,
 371                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 372
 373         signals[DELETE_SIGNAL] =
 374                 g_signal_new ("delete",
 375                               G_TYPE_FROM_CLASS (object_class),
 376                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 377                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, delete),
 378                               NULL, NULL,
 379                               g_cclosure_marshal_VOID__VOID,
 380                               G_TYPE_NONE, 0);
 381
 382         return;
 383 }
 384
 385 GType
 386 modest_attachments_view_get_type (void)
 387 {
 388         static GType type = 0;
 389
 390         if (G_UNLIKELY(type == 0))
 391         {
 392                 static const GTypeInfo info =
 393                 {
 394                   sizeof (ModestAttachmentsViewClass),
 395                   NULL,   /* base_init */
 396                   NULL,   /* base_finalize */
 397                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 398                   NULL,   /* class_finalize */
 399                   NULL,   /* class_data */
 400                   sizeof (ModestAttachmentsView),
 401                   0,      /* n_preallocs */
 402                   modest_attachments_view_instance_init    /* instance_init */
 403                 };
 404
 405                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 406                         "ModestAttachmentsView",
 407                         &info, 0);
 408
 409         }
 410
 411         return type;
 412 }
 413
 414 /* buttons signal events */
 415 static gboolean
 416 button_press_event (GtkWidget *widget,
 417                     GdkEventButton *event,
 418                     ModestAttachmentsView *atts_view)
 419 {
 420         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 421         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE &&
 422             !GTK_WIDGET_HAS_FOCUS (widget))
 423                 gtk_widget_grab_focus (widget);
 424
 425         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 426                 GtkWidget *att_view = NULL;
 427
 428                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 429                                                    (gint) event->x_root, (gint) event->y_root);
 430
 431                 if (att_view != NULL) {
 432                         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
 433                                 unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 434                         } else if ((priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) ||
 435                             (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2))) {
 436                                 priv->press_att_view = att_view;
 437                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 438                                 gtk_grab_add (widget);
 439                         } else {
 440                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 441
 442                                 /* Do not select purged attachments */
 443                                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 444                                         set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 445                                         priv->rubber_start = att_view;
 446                                         gtk_grab_add (widget);
 447                                 }
 448                                 g_object_unref (mime_part);
 449                         }
 450                 }
 451         }
 452         return TRUE;
 453
 454 }
 455
 456 static gboolean
 457 button_release_event (GtkWidget *widget,
 458                       GdkEventButton *event,
 459                       ModestAttachmentsView *atts_view)
 460 {
 461         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 462         if (widget == gtk_grab_get_current ()) {
 463                 GtkWidget *att_view = NULL;
 464
 465                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 466                                                    (gint) event->x_root, (gint) event->y_root);
 467
 468                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) {
 469                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 470                         if (att_view == priv->press_att_view) {
 471                                 TnyMimePart *mime_part;
 472                                 mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 473                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 474                                 g_object_unref (mime_part);
 475                         }
 476                         priv->press_att_view = NULL;
 477                 } else {
 478
 479                         if (att_view != NULL) {
 480                                 unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 481                                 select_range (MODEST_ATTACHMENTS_VIEW (widget),
 482                                               MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 483                                               MODEST_ATTACHMENT_VIEW (att_view));
 484                         }
 485                         priv->rubber_start = NULL;
 486                 }
 487                 gtk_grab_remove (widget);
 488         }
 489         return TRUE;
 490 }
 491
 492 static gboolean
 493 motion_notify_event (GtkWidget *widget,
 494                      GdkEventMotion *event,
 495                      ModestAttachmentsView *atts_view)
 496 {
 497         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 498         if (gtk_grab_get_current () == widget) {
 499                 GtkWidget *att_view = NULL;
 500
 501                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 502                                                    (gint) event->x_root, (gint) event->y_root);
 503                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS) {
 504                         if (att_view == priv->press_att_view) {
 505                                 if (priv->selected == NULL)
 506                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 507                         } else {
 508                                 if (priv->selected) {
 509                                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 510                                 }
 511                         }
 512                 } else {
 513
 514                         if (att_view != NULL) {
 515                                 unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 516                                 select_range (MODEST_ATTACHMENTS_VIEW (widget),
 517                                               MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 518                                               MODEST_ATTACHMENT_VIEW (att_view));
 519                         }
 520                 }
 521                 gdk_event_request_motions (event);
 522         }
 523         return TRUE;
 524 }
 525
 526 static GList*
 527 find_prev_or_next_not_purged (GList *list, gboolean prev, gboolean include_this)
 528 {
 529         GList *tmp = NULL;
 530         gboolean is_valid;
 531
 532         if (!include_this) {
 533                 if (prev) {
 534                         tmp = g_list_previous (list);
 535                 } else {
 536                         tmp = g_list_next (list);
 537                 }
 538         } else {
 539                 tmp = list;
 540         }
 541
 542         if (!tmp)
 543                 return NULL;
 544
 545         do {
 546                 ModestAttachmentView *att_view = (ModestAttachmentView *) tmp->data;
 547                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 548
 549                 /* Do not select purged attachments */
 550                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 551                         is_valid = TRUE;
 552                 } else {
 553                         if (prev)
 554                                 tmp = g_list_previous (tmp);
 555                         else
 556                                 tmp = g_list_next (tmp);
 557                         is_valid = FALSE;
 558                 }
 559                 g_object_unref (mime_part);
 560         } while (!is_valid && tmp);
 561
 562         return tmp;
 563 }
 564
 565
 566 static gboolean
 567 key_press_event (GtkWidget *widget,
 568                  GdkEventKey *event,
 569                  ModestAttachmentsView *atts_view)
 570 {
 571         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 572
 573         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
 574                 unselect_all (atts_view);
 575                 return FALSE;
 576         }
 577
 578         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 579         if (gtk_grab_get_current () == widget) {
 580                 if (event->keyval == GDK_Escape) {
 581                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 582                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 583                         priv->rubber_start = NULL;
 584                         gtk_grab_remove (widget);
 585                         return TRUE;
 586                 }
 587                 return FALSE;
 588         }
 589
 590         if (event->keyval == GDK_Up) {
 591                 ModestAttachmentView *current_sel = NULL;
 592                 gboolean move_out = FALSE;
 593                 GList * box_children, *new_sel, *first_child;
 594
 595                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 596                 if (box_children == NULL) {
 597                         move_out = TRUE;
 598                 } else {
 599                         first_child = box_children;
 600                         first_child = find_prev_or_next_not_purged (box_children, FALSE, TRUE);
 601                         if (priv->selected != NULL && first_child != NULL) {
 602                                 if (priv->selected->data != first_child->data)
 603                                         current_sel = (ModestAttachmentView *) priv->selected->data;
 604                                 else
 605                                         move_out = TRUE;
 606                         } else {
 607                                 move_out = TRUE;
 608                         }
 609                 }
 610
 611                 if (move_out) {
 612                         GtkWidget *toplevel = NULL;
 613                         /* move cursor outside */
 614                         toplevel = gtk_widget_get_toplevel (widget);
 615                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 616                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 617                         unselect_all (atts_view);
 618                 } else {
 619                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 620                         new_sel = find_prev_or_next_not_purged (new_sel, TRUE, FALSE);
 621                         /* We assume that we detected properly that
 622                            there is a not purge attachment so we don't
 623                            need to check NULL */
 624                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 625                 }
 626                 g_list_free (box_children);
 627                 return TRUE;
 628         }
 629
 630         if (event->keyval == GDK_Down) {
 631                 ModestAttachmentView *current_sel = NULL;
 632                 gboolean move_out = FALSE;
 633                 GList * box_children, *new_sel, *last_child = NULL;
 634
 635                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 636
 637                 if (box_children == NULL) {
 638                         move_out = TRUE;
 639                 } else {
 640                         last_child = g_list_last (box_children);
 641                         last_child = find_prev_or_next_not_purged (last_child, TRUE, TRUE);
 642                         if (priv->selected != NULL && last_child != NULL) {
 643                                 GList *last_selected = g_list_last (priv->selected);
 644                                 if (last_selected->data != last_child->data)
 645                                         current_sel = (ModestAttachmentView *) last_selected->data;
 646                                 else
 647                                         move_out = TRUE;
 648                         } else {
 649                                 move_out = TRUE;
 650                         }
 651                 }
 652
 653                 if (move_out) {
 654                         GtkWidget *toplevel = NULL;
 655                         /* move cursor outside */
 656                         toplevel = gtk_widget_get_toplevel (widget);
 657                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 658                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 659                         unselect_all (atts_view);
 660                 } else {
 661                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 662                         new_sel = find_prev_or_next_not_purged (new_sel, FALSE, FALSE);
 663                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 664                 }
 665                 g_list_free (box_children);
 666                 return TRUE;
 667         }
 668
 669         if (event->keyval == GDK_BackSpace) {
 670                 g_signal_emit (G_OBJECT (widget), signals[DELETE_SIGNAL], 0);
 671                 return TRUE;
 672         }
 673
 674         /* Activates selected item */
 675         if (g_list_length (priv->selected) == 1) {
 676                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 677                 if ((event->keyval == GDK_Return)) {
 678                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 679                         if (TNY_IS_MIME_PART (mime_part)) {
 680                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 681                                 g_object_unref (mime_part);
 682                         }
 683                         return TRUE;
 684                 }
 685         }
 686
 687         return FALSE;
 688 }
 689
 690
 691 static GtkWidget *
 692 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 693                         gdouble x, gdouble y)
 694 {
 695         ModestAttachmentsViewPrivate *priv = NULL;
 696         GList *att_view_list, *node;
 697         GtkWidget *result = NULL;
 698
 699         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 700         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 701
 702         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 703                 GtkWidget *att_view = (GtkWidget *) node->data;
 704                 gint pos_x, pos_y, w, h, int_x, int_y;
 705                 gint widget_x, widget_y;
 706
 707                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 708
 709                 pos_x = widget_x;
 710                 pos_y = widget_y;
 711                 w = att_view->allocation.width;
 712                 h = att_view->allocation.height;
 713
 714                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 715                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 716
 717                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 718                         result = att_view;
 719                         break;
 720                 }
 721         }
 722
 723         g_list_free (att_view_list);
 724         return result;
 725 }
 726
 727 static void
 728 unselect_all (ModestAttachmentsView *atts_view)
 729 {
 730         ModestAttachmentsViewPrivate *priv = NULL;
 731         GList *att_view_list, *node;
 732
 733         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 734         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 735
 736         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 737                 GtkWidget *att_view = (GtkWidget *) node->data;
 738
 739                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 740                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 741         }
 742
 743         g_list_free (priv->selected);
 744         priv->selected = NULL;
 745
 746         g_list_free (att_view_list);
 747 }
 748
 749 static void
 750 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 751 {
 752         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 753         TnyMimePart *part;
 754
 755         unselect_all (atts_view);
 756         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 757
 758         g_list_free (priv->selected);
 759         priv->selected = NULL;
 760         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 761                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 762                 priv->selected = g_list_append (priv->selected, att_view);
 763         }
 764         if (part)
 765                 g_object_unref (part);
 766
 767         own_clipboard (atts_view);
 768 }
 769
 770 static void
 771 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 772 {
 773         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 774         GList *children = NULL;
 775         GList *node = NULL;
 776         gboolean selecting = FALSE;
 777         TnyMimePart *part;
 778
 779         unselect_all (atts_view);
 780
 781         if (att1 == att2) {
 782                 set_selected (atts_view, att1);
 783                 return;
 784         }
 785
 786         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 787         g_list_free (priv->selected);
 788         priv->selected = NULL;
 789
 790
 791         for (node = children; node != NULL; node = g_list_next (node)) {
 792                 if ((node->data == att1) || (node->data == att2)) {
 793                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 794                         if (!tny_mime_part_is_purged (part)) {
 795                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 796                                 priv->selected = g_list_append (priv->selected, node->data);
 797                         }
 798                         g_object_unref (part);
 799                         selecting = !selecting;
 800                 } else if (selecting) {
 801                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 802                         if (!tny_mime_part_is_purged (part)) {
 803                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 804                                 priv->selected = g_list_append (priv->selected, node->data);
 805                         }
 806                         g_object_unref (part);
 807                 }
 808
 809         }
 810         g_list_free (children);
 811
 812         own_clipboard (atts_view);
 813 }
 814
 815 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 816                            guint info, gpointer userdata)
 817 {
 818         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 819         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 820
 821         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 822                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 823                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 824                          * use an internal index. This index is simply the index of the attachment in the vbox */
 825                         GList *box_children = NULL;
 826                         gint index;
 827                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 828                         index = g_list_index (box_children, priv->selected);
 829                         if (index >= 0) {
 830                                 gchar *index_str = g_strdup_printf("%d", index);
 831                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 832                                 g_free (index_str);
 833                         }
 834                 }
 835         }
 836 }
 837
 838 TnyList *
 839 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 840 {
 841         ModestAttachmentsViewPrivate *priv;
 842         TnyList *selection;
 843         GList *node;
 844
 845         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 846         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 847
 848         selection = tny_simple_list_new ();
 849         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 850                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 851                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 852                 tny_list_append (selection, (GObject *) part);
 853                 g_object_unref (part);
 854         }
 855
 856         return selection;
 857 }
 858
 859 TnyList *
 860 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 861 {
 862         ModestAttachmentsViewPrivate *priv;
 863         TnyList *att_list;
 864         GList *children, *node= NULL;
 865
 866         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 867         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 868
 869         att_list = TNY_LIST (tny_simple_list_new ());
 870
 871         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 872         for (node = children; node != NULL; node = g_list_next (node)) {
 873                 GtkWidget *att_view = GTK_WIDGET (node->data);
 874                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 875                 tny_list_append (att_list, (GObject *) mime_part);
 876                 g_object_unref (mime_part);
 877         }
 878         g_list_free (children);
 879         return att_list;
 880
 881 }
 882
 883 void
 884 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 885 {
 886         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 887         GList *children = NULL;
 888         GList *node = NULL;
 889
 890         unselect_all (atts_view);
 891
 892         if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_LINKS)
 893                 return;
 894
 895         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 896         g_list_free (priv->selected);
 897         priv->selected = NULL;
 898
 899         for (node = children; node != NULL; node = g_list_next (node)) {
 900                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 901                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 902
 903                 /* Do not select purged attachments */
 904                 if (TNY_IS_MIME_PART (mime_part) && !tny_mime_part_is_purged (mime_part)) {
 905                         gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 906                         priv->selected = g_list_append (priv->selected, node->data);
 907                 }
 908                 g_object_unref (mime_part);
 909         }
 910         g_list_free (children);
 911
 912         own_clipboard (atts_view);
 913 }
 914
 915 gboolean
 916 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 917 {
 918         ModestAttachmentsViewPrivate *priv;
 919         GList *children;
 920         gboolean result;
 921
 922         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 923         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 924
 925         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 926         result = (children != NULL);
 927         g_list_free (children);
 928
 929         return result;
 930 }
 931
 932 void
 933 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 934                                    gint *attachments_count,
 935                                    guint64 *attachments_size)
 936 {
 937         ModestAttachmentsViewPrivate *priv;
 938         GList *children, *node;
 939
 940         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 941         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 942
 943         *attachments_count = 0;
 944         *attachments_size = 0;
 945
 946         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 947
 948         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 949         for (node = children; node != NULL; node = g_list_next (node)) {
 950                 GtkWidget *att_view = (GtkWidget *) node->data;
 951                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 952
 953                 if (!tny_mime_part_is_purged (part)) {
 954                         guint64 size;
 955                         (*attachments_count) ++;
 956                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 957                         if (size == 0) {
 958                                 /* we do a random estimation of the size of an attachment */
 959                                 size = 32768;
 960                         }
 961                         *attachments_size += size;
 962                 }
 963                 g_object_unref (part);
 964         }
 965         g_list_free (children);
 966 }
 967
 968 static void
 969 dummy_clear_func (GtkClipboard *clipboard,
 970                   gpointer user_data_or_owner)
 971 {
 972         /* Do nothing */
 973 }
 974
 975 static void
 976 own_clipboard (ModestAttachmentsView *atts_view)
 977 {
 978         GtkTargetEntry targets[] = {
 979                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 980         };
 981
 982         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 983                                       targets, G_N_ELEMENTS (targets),
 984                                       clipboard_get, dummy_clear_func, G_OBJECT(atts_view));
 985 }
 986
 987 static gboolean
 988 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 989 {
 990         if (!gtk_widget_is_focus (widget))
 991                 unselect_all (atts_view);
 992
 993         return FALSE;
 994 }
 995
 996 static gboolean
 997 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 998 {
 999         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
1000         GList *children = NULL;
1001         GtkWidget *toplevel = NULL;
1002
1003         toplevel = gtk_widget_get_toplevel (widget);
1004         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
1005                 return FALSE;
1006
1007         if (priv->style != MODEST_ATTACHMENTS_VIEW_STYLE_NO_FOCUS) {
1008                 children = gtk_container_get_children (GTK_CONTAINER (priv->box));
1009                 if (children != NULL) {
1010                         set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
1011                 }
1012                 g_list_free (children);
1013         }
1014
1015         return FALSE;
1016 }
1017
1018 void
1019 modest_attachments_view_set_style (ModestAttachmentsView *self,
1020                                    ModestAttachmentsViewStyle style)
1021 {
1022         ModestAttachmentsViewPrivate *priv;
1023
1024         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (self));
1025         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (self);
1026
1027         if (priv->style != style) {
1028                 priv->style = style;
1029                 gtk_widget_queue_draw (GTK_WIDGET (self));
1030                 if (priv->style == MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE) {
1031                         GTK_WIDGET_SET_FLAGS (self, GTK_CAN_FOCUS);
1032                 } else {
1033                         GTK_WIDGET_UNSET_FLAGS (self, GTK_CAN_FOCUS);
1034                 }
1035
1036         }
1037 }
1038
1039 guint
1040 modest_attachments_view_get_num_attachments (ModestAttachmentsView *atts_view)
1041 {
1042         ModestAttachmentsViewPrivate *priv;
1043         GList *children;
1044         gint result;
1045
1046         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), 0);
1047         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
1048
1049         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
1050         result = g_list_length (children);
1051         g_list_free (children);
1052
1053         return result;
1054 }