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

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <string.h>
  33 #include <gtk/gtk.h>
  34 #include <gdk/gdkkeysyms.h>
  35 #include <tny-list.h>
  36 #include <tny-simple-list.h>
  37
  38 #include <modest-platform.h>
  39 #include <modest-runtime.h>
  40 #include <modest-attachment-view.h>
  41 #include <modest-attachments-view.h>
  42 #include <modest-tny-mime-part.h>
  43
  44 static GObjectClass *parent_class = NULL;
  45
  46 /* signals */
  47 enum {
  48         ACTIVATE_SIGNAL,
  49         LAST_SIGNAL
  50 };
  51
  52 typedef struct _ModestAttachmentsViewPrivate ModestAttachmentsViewPrivate;
  53
  54 struct _ModestAttachmentsViewPrivate
  55 {
  56         TnyMsg *msg;
  57         GtkWidget *box;
  58         GList *selected;
  59         GtkWidget *rubber_start;
  60 };
  61
  62 #define MODEST_ATTACHMENTS_VIEW_GET_PRIVATE(o)  \
  63         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENTS_VIEW, ModestAttachmentsViewPrivate))
  64
  65 static gboolean button_press_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  66 static gboolean motion_notify_event (GtkWidget *widget, GdkEventMotion *event, ModestAttachmentsView *atts_view);
  67 static gboolean button_release_event (GtkWidget *widget, GdkEventButton *event, ModestAttachmentsView *atts_view);
  68 static gboolean key_press_event (GtkWidget *widget, GdkEventKey *event, ModestAttachmentsView *atts_view);
  69 static gboolean focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view);
  70 static gboolean focus (GtkWidget *widget, GtkDirectionType direction, 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         const gchar *msg_content_type = NULL;
 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         /* If the top mime part is a multipart/related, we don't show the attachments, as they're
 130          * embedded images in body */
 131         msg_content_type = tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
 132         if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
 133                 gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 134                 return;
 135         }
 136
 137         parts = TNY_LIST (tny_simple_list_new ());
 138         tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), parts);
 139         iter = tny_list_create_iterator (parts);
 140
 141         while (!tny_iterator_is_done (iter)) {
 142                 TnyMimePart *part;
 143
 144                 part = TNY_MIME_PART (tny_iterator_get_current (iter));
 145
 146                 if (part && (modest_tny_mime_part_is_attachment_for_modest (part)))
 147                         modest_attachments_view_add_attachment (attachments_view, part, TRUE, 0);
 148
 149                 if (part)
 150                         g_object_unref (part);
 151
 152                 tny_iterator_next (iter);
 153         }
 154         g_object_unref (iter);
 155         g_object_unref (parts);
 156
 157
 158         gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
 159
 160 }
 161
 162 void
 163 modest_attachments_view_add_attachment (ModestAttachmentsView *attachments_view, TnyMimePart *part,
 164                                         gboolean detect_size, guint64 size)
 165 {
 166         GtkWidget *att_view = NULL;
 167         ModestAttachmentsViewPrivate *priv = NULL;
 168
 169         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 170         g_return_if_fail (TNY_IS_MIME_PART (part));
 171
 172         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 173
 174         att_view = modest_attachment_view_new (part, detect_size);
 175         if (!detect_size)
 176                 modest_attachment_view_set_size (MODEST_ATTACHMENT_VIEW (att_view), size);
 177         gtk_box_pack_end (GTK_BOX (priv->box), att_view, FALSE, FALSE, 0);
 178         gtk_widget_show_all (att_view);
 179 }
 180
 181 void
 182 modest_attachments_view_remove_attachment (ModestAttachmentsView *atts_view, TnyMimePart *mime_part)
 183 {
 184         ModestAttachmentsViewPrivate *priv = NULL;
 185         GList *box_children = NULL, *node = NULL;
 186         ModestAttachmentView *found_att_view = NULL;
 187
 188         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 189         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 190
 191         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 192         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 193
 194         for (node = box_children; node != NULL; node = g_list_next (node)) {
 195                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 196                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 197
 198                 if (mime_part == cur_mime_part)
 199                         found_att_view = att_view;
 200
 201                 g_object_unref (cur_mime_part);
 202
 203                 if (found_att_view != NULL)
 204                         break;
 205         }
 206
 207         if (found_att_view) {
 208                 GList *node = NULL;
 209                 GtkWidget *next_widget = NULL;
 210                 GList *box_children = NULL;
 211
 212                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 213                 node = g_list_find (box_children, found_att_view);
 214                 if (node->next)
 215                         next_widget = node->next->data;
 216
 217                 g_list_free (box_children);
 218
 219                 node = g_list_find (priv->selected, found_att_view);
 220                 if (node != NULL) {
 221                         priv->selected = g_list_delete_link (priv->selected, node);
 222                         gtk_widget_destroy (GTK_WIDGET (found_att_view));
 223                         if ((priv->selected == NULL) && (next_widget != NULL))
 224                                 set_selected (MODEST_ATTACHMENTS_VIEW (atts_view),
 225                                               MODEST_ATTACHMENT_VIEW (next_widget));
 226                 }
 227                 own_clipboard (atts_view);
 228         }
 229
 230 }
 231
 232 void
 233 modest_attachments_view_remove_attachment_by_id (ModestAttachmentsView *atts_view, const gchar *att_id)
 234 {
 235         ModestAttachmentsViewPrivate *priv = NULL;
 236         GList *box_children = NULL, *node = NULL;
 237
 238         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view));
 239         g_return_if_fail (att_id != NULL);
 240
 241         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 242         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 243
 244         for (node = box_children; node != NULL; node = g_list_next (node)) {
 245                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 246                 TnyMimePart *cur_mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 247                 const gchar *mime_part_id = NULL;
 248
 249                 mime_part_id = tny_mime_part_get_content_id (cur_mime_part);
 250                 if ((mime_part_id != NULL) && (strcmp (mime_part_id, att_id) == 0)) {
 251                         gtk_widget_destroy (GTK_WIDGET (att_view));
 252                         priv->selected = g_list_remove (priv->selected, att_view);
 253                 }
 254
 255                 g_object_unref (cur_mime_part);
 256         }
 257
 258         own_clipboard (atts_view);
 259
 260 }
 261
 262 static void
 263 modest_attachments_view_instance_init (GTypeInstance *instance, gpointer g_class)
 264 {
 265         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (instance);
 266
 267         priv->msg = NULL;
 268         priv->box = gtk_vbox_new (FALSE, 0);
 269         priv->rubber_start = NULL;
 270         priv->selected = NULL;
 271
 272         gtk_container_add (GTK_CONTAINER (instance), priv->box);
 273         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 274
 275         g_signal_connect (G_OBJECT (instance), "button-press-event", G_CALLBACK (button_press_event), instance);
 276         g_signal_connect (G_OBJECT (instance), "button-release-event", G_CALLBACK (button_release_event), instance);
 277         g_signal_connect (G_OBJECT (instance), "motion-notify-event", G_CALLBACK (motion_notify_event), instance);
 278         g_signal_connect (G_OBJECT (instance), "key-press-event", G_CALLBACK (key_press_event), instance);
 279         g_signal_connect (G_OBJECT (instance), "focus-out-event", G_CALLBACK (focus_out_event), instance);
 280         g_signal_connect (G_OBJECT (instance), "focus", G_CALLBACK (focus), instance);
 281
 282         GTK_WIDGET_SET_FLAGS (instance, GTK_CAN_FOCUS);
 283
 284         return;
 285 }
 286
 287 static void
 288 modest_attachments_view_finalize (GObject *object)
 289 {
 290         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (object);
 291
 292         if (priv->msg) {
 293                 g_object_unref (priv->msg);
 294                 priv->msg = NULL;
 295         }
 296
 297         (*parent_class->finalize) (object);
 298
 299         return;
 300 }
 301
 302 static void
 303 modest_attachments_view_class_init (ModestAttachmentsViewClass *klass)
 304 {
 305         GObjectClass *object_class;
 306         GtkWidgetClass *widget_class;
 307
 308         parent_class = g_type_class_peek_parent (klass);
 309         object_class = (GObjectClass*) klass;
 310         widget_class = GTK_WIDGET_CLASS (klass);
 311
 312         object_class->finalize = modest_attachments_view_finalize;
 313
 314         klass->activate = NULL;
 315
 316         g_type_class_add_private (object_class, sizeof (ModestAttachmentsViewPrivate));
 317
 318         signals[ACTIVATE_SIGNAL] =
 319                 g_signal_new ("activate",
 320                               G_TYPE_FROM_CLASS (object_class),
 321                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 322                               G_STRUCT_OFFSET(ModestAttachmentsViewClass, activate),
 323                               NULL, NULL,
 324                               g_cclosure_marshal_VOID__OBJECT,
 325                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 326
 327         return;
 328 }
 329
 330 GType
 331 modest_attachments_view_get_type (void)
 332 {
 333         static GType type = 0;
 334
 335         if (G_UNLIKELY(type == 0))
 336         {
 337                 static const GTypeInfo info =
 338                 {
 339                   sizeof (ModestAttachmentsViewClass),
 340                   NULL,   /* base_init */
 341                   NULL,   /* base_finalize */
 342                   (GClassInitFunc) modest_attachments_view_class_init,   /* class_init */
 343                   NULL,   /* class_finalize */
 344                   NULL,   /* class_data */
 345                   sizeof (ModestAttachmentsView),
 346                   0,      /* n_preallocs */
 347                   modest_attachments_view_instance_init    /* instance_init */
 348                 };
 349
 350                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 351                         "ModestAttachmentsView",
 352                         &info, 0);
 353
 354         }
 355
 356         return type;
 357 }
 358
 359 /* buttons signal events */
 360 static gboolean
 361 button_press_event (GtkWidget *widget,
 362                     GdkEventButton *event,
 363                     ModestAttachmentsView *atts_view)
 364 {
 365         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 366         if (!GTK_WIDGET_HAS_FOCUS (widget))
 367                 gtk_widget_grab_focus (widget);
 368
 369         if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
 370                 GtkWidget *att_view = NULL;
 371
 372                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 373                                                    (gint) event->x_root, (gint) event->y_root);
 374
 375                 if (att_view != NULL) {
 376                         if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED && (g_list_length (priv->selected) < 2)) {
 377                                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 378                                 if (TNY_IS_MIME_PART (mime_part)) {
 379                                         g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 380                                         g_object_unref (mime_part);
 381                                 }
 382                         } else {
 383                                 set_selected (MODEST_ATTACHMENTS_VIEW (widget), MODEST_ATTACHMENT_VIEW (att_view));
 384                                 priv->rubber_start = att_view;
 385                                 gtk_grab_add (widget);
 386                         }
 387                 }
 388         }
 389         return TRUE;
 390
 391 }
 392
 393 static gboolean
 394 button_release_event (GtkWidget *widget,
 395                       GdkEventButton *event,
 396                       ModestAttachmentsView *atts_view)
 397 {
 398         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 399         if (widget == gtk_grab_get_current ()) {
 400                 GtkWidget *att_view = NULL;
 401
 402                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 403                                                    (gint) event->x_root, (gint) event->y_root);
 404
 405                 if (att_view != NULL) {
 406                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 407                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 408                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 409                                       MODEST_ATTACHMENT_VIEW (att_view));
 410                 }
 411                 priv->rubber_start = NULL;
 412                 gtk_grab_remove (widget);
 413         }
 414         return TRUE;
 415 }
 416
 417 static gboolean
 418 motion_notify_event (GtkWidget *widget,
 419                      GdkEventMotion *event,
 420                      ModestAttachmentsView *atts_view)
 421 {
 422         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 423         if (gtk_grab_get_current () == widget) {
 424                 GtkWidget *att_view = NULL;
 425
 426                 att_view = get_att_view_at_coords (MODEST_ATTACHMENTS_VIEW (widget),
 427                                                    (gint) event->x_root, (gint) event->y_root);
 428
 429                 if (att_view != NULL) {
 430                         unselect_all (MODEST_ATTACHMENTS_VIEW (widget));
 431                         select_range (MODEST_ATTACHMENTS_VIEW (widget),
 432                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start),
 433                                       MODEST_ATTACHMENT_VIEW (att_view));
 434                 }
 435         }
 436         return TRUE;
 437 }
 438
 439 static gboolean
 440 key_press_event (GtkWidget *widget,
 441                  GdkEventKey *event,
 442                  ModestAttachmentsView *atts_view)
 443 {
 444         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 445
 446         /* If grabbed (for example rubber banding), escape leaves the rubberbanding mode */
 447         if (gtk_grab_get_current () == widget) {
 448                 if (event->keyval == GDK_Escape) {
 449                         set_selected (MODEST_ATTACHMENTS_VIEW (widget),
 450                                       MODEST_ATTACHMENT_VIEW (priv->rubber_start));
 451                         priv->rubber_start = NULL;
 452                         gtk_grab_remove (widget);
 453                         return TRUE;
 454                 }
 455                 return FALSE;
 456         }
 457
 458         if (event->keyval == GDK_Up) {
 459                 ModestAttachmentView *current_sel = NULL;
 460                 gboolean move_out = FALSE;
 461                 GList * box_children, *new_sel;
 462
 463                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 464                 if (box_children == NULL)
 465                         move_out = TRUE;
 466                 else if ((priv->selected != NULL)&&(priv->selected->data != box_children->data))
 467                         current_sel = (ModestAttachmentView *) priv->selected->data;
 468                 else
 469                         move_out = TRUE;
 470
 471                 if (move_out) {
 472                         GtkWidget *toplevel = NULL;
 473                         /* move cursor outside */
 474                         toplevel = gtk_widget_get_toplevel (widget);
 475                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 476                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_UP);
 477                         unselect_all (atts_view);
 478                 } else {
 479                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 480                         new_sel = g_list_previous (new_sel);
 481                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 482                 }
 483                 g_list_free (box_children);
 484                 return TRUE;
 485         }
 486
 487         if (event->keyval == GDK_Down) {
 488                 ModestAttachmentView *current_sel = NULL;
 489                 gboolean move_out = FALSE;
 490                 GList * box_children, *new_sel, *last_child = NULL;
 491
 492                 box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 493
 494                 if (box_children == NULL) {
 495                         move_out = TRUE;
 496                 } else {
 497                         last_child = g_list_last (box_children);
 498                         if (priv->selected != NULL) {
 499                                 GList *last_selected = g_list_last (priv->selected);
 500                                 if (last_selected->data != last_child->data)
 501                                         current_sel = (ModestAttachmentView *) last_selected->data;
 502                                 else
 503                                         move_out = TRUE;
 504                         } else {
 505                                 move_out = TRUE;
 506                         }
 507                 }
 508
 509                 if (move_out) {
 510                         GtkWidget *toplevel = NULL;
 511                         /* move cursor outside */
 512                         toplevel = gtk_widget_get_toplevel (widget);
 513                         if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
 514                                 g_signal_emit_by_name (toplevel, "move-focus", GTK_DIR_DOWN);
 515                         unselect_all (atts_view);
 516                 } else {
 517                         new_sel = g_list_find (box_children, (gpointer) current_sel);
 518                         new_sel = g_list_next (new_sel);
 519                         set_selected (MODEST_ATTACHMENTS_VIEW (atts_view), MODEST_ATTACHMENT_VIEW (new_sel->data));
 520                 }
 521                 g_list_free (box_children);
 522                 return TRUE;
 523         }
 524
 525         /* Activates selected item */
 526         if (g_list_length (priv->selected) == 1) {
 527                 ModestAttachmentView *att_view = (ModestAttachmentView *) priv->selected->data;
 528                 if ((event->keyval == GDK_Return)) {
 529                         TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 530                         if (TNY_IS_MIME_PART (mime_part)) {
 531                                 g_signal_emit (G_OBJECT (widget), signals[ACTIVATE_SIGNAL], 0, mime_part);
 532                                 g_object_unref (mime_part);
 533                         }
 534                         return TRUE;
 535                 }
 536         }
 537
 538         return FALSE;
 539 }
 540
 541
 542 static GtkWidget *
 543 get_att_view_at_coords (ModestAttachmentsView *atts_view,
 544                         gdouble x, gdouble y)
 545 {
 546         ModestAttachmentsViewPrivate *priv = NULL;
 547         GList *att_view_list, *node;
 548         GtkWidget *result = NULL;
 549
 550         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 551         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 552
 553         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 554                 GtkWidget *att_view = (GtkWidget *) node->data;
 555                 gint pos_x, pos_y, w, h, int_x, int_y;
 556                 gint widget_x, widget_y;
 557
 558                 gdk_window_get_origin (att_view->window, &widget_x, &widget_y);
 559
 560                 pos_x = widget_x;
 561                 pos_y = widget_y;
 562                 w = att_view->allocation.width;
 563                 h = att_view->allocation.height;
 564
 565                 int_x = (gint) x - GTK_WIDGET (atts_view)->allocation.x;
 566                 int_y = (gint) y - GTK_WIDGET (atts_view)->allocation.y;
 567
 568                 if ((x >= pos_x) && (x <= (pos_x + w)) && (y >= pos_y) && (y <= (pos_y + h))) {
 569                         result = att_view;
 570                         break;
 571                 }
 572         }
 573
 574         g_list_free (att_view_list);
 575         return result;
 576 }
 577
 578 static void
 579 unselect_all (ModestAttachmentsView *atts_view)
 580 {
 581         ModestAttachmentsViewPrivate *priv = NULL;
 582         GList *att_view_list, *node;
 583
 584         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 585         att_view_list = gtk_container_get_children (GTK_CONTAINER (priv->box));
 586
 587         for (node = att_view_list; node != NULL; node = g_list_next (node)) {
 588                 GtkWidget *att_view = (GtkWidget *) node->data;
 589
 590                 if (GTK_WIDGET_STATE (att_view) == GTK_STATE_SELECTED)
 591                         gtk_widget_set_state (att_view, GTK_STATE_NORMAL);
 592         }
 593
 594         g_list_free (priv->selected);
 595         priv->selected = NULL;
 596
 597         g_list_free (att_view_list);
 598 }
 599
 600 static void
 601 set_selected (ModestAttachmentsView *atts_view, ModestAttachmentView *att_view)
 602 {
 603         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 604         TnyMimePart *part;
 605
 606         unselect_all (atts_view);
 607         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 608
 609         g_list_free (priv->selected);
 610         priv->selected = NULL;
 611         if (TNY_IS_MIME_PART (part) && !tny_mime_part_is_purged (part)) {
 612                 gtk_widget_set_state (GTK_WIDGET (att_view), GTK_STATE_SELECTED);
 613                 priv->selected = g_list_append (priv->selected, att_view);
 614         }
 615         if (part)
 616                 g_object_unref (part);
 617
 618         own_clipboard (atts_view);
 619 }
 620
 621 static void
 622 select_range (ModestAttachmentsView *atts_view, ModestAttachmentView *att1, ModestAttachmentView *att2)
 623 {
 624         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 625         GList *children = NULL;
 626         GList *node = NULL;
 627         gboolean selecting = FALSE;
 628         TnyMimePart *part;
 629
 630         unselect_all (atts_view);
 631
 632         if (att1 == att2) {
 633                 set_selected (atts_view, att1);
 634                 return;
 635         }
 636
 637         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 638         g_list_free (priv->selected);
 639         priv->selected = NULL;
 640
 641
 642         for (node = children; node != NULL; node = g_list_next (node)) {
 643                 if ((node->data == att1) || (node->data == att2)) {
 644                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 645                         if (!tny_mime_part_is_purged (part)) {
 646                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 647                                 priv->selected = g_list_append (priv->selected, node->data);
 648                         }
 649                         g_object_unref (part);
 650                         selecting = !selecting;
 651                 } else if (selecting) {
 652                         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (node->data));
 653                         if (!tny_mime_part_is_purged (part)) {
 654                                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 655                                 priv->selected = g_list_append (priv->selected, node->data);
 656                         }
 657                         g_object_unref (part);
 658                 }
 659
 660         }
 661         g_list_free (children);
 662
 663         own_clipboard (atts_view);
 664 }
 665
 666 static void clipboard_get (GtkClipboard *clipboard, GtkSelectionData *selection_data,
 667                            guint info, gpointer userdata)
 668 {
 669         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 670         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 671
 672         if ((priv->selected != NULL)&&(priv->selected->next == NULL)) {
 673                 if (info == MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX) {
 674                         /* MODEST_ATTACHMENT requested. As the content id is not filled in all the case, we'll
 675                          * use an internal index. This index is simply the index of the attachment in the vbox */
 676                         GList *box_children = NULL;
 677                         gint index;
 678                         box_children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 679                         index = g_list_index (box_children, priv->selected);
 680                         if (index >= 0) {
 681                                 gchar *index_str = g_strdup_printf("%d", index);
 682                                 gtk_selection_data_set_text (selection_data, index_str, -1);
 683                                 g_free (index_str);
 684                         }
 685                 }
 686         }
 687 }
 688
 689 static void clipboard_clear (GtkClipboard *clipboard, gpointer userdata)
 690 {
 691         ModestAttachmentsView *atts_view = (ModestAttachmentsView *) userdata;
 692
 693         unselect_all (atts_view);
 694 }
 695
 696 TnyList *
 697 modest_attachments_view_get_selection (ModestAttachmentsView *atts_view)
 698 {
 699         ModestAttachmentsViewPrivate *priv;
 700         TnyList *selection;
 701         GList *node;
 702
 703         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 704         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 705
 706         selection = tny_simple_list_new ();
 707         for (node = priv->selected; node != NULL; node = g_list_next (node)) {
 708                 ModestAttachmentView *att_view = (ModestAttachmentView *) node->data;
 709                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 710                 tny_list_append (selection, (GObject *) part);
 711                 g_object_unref (part);
 712         }
 713
 714         return selection;
 715 }
 716
 717 TnyList *
 718 modest_attachments_view_get_attachments (ModestAttachmentsView *atts_view)
 719 {
 720         ModestAttachmentsViewPrivate *priv;
 721         TnyList *att_list;
 722         GList *children, *node= NULL;
 723
 724         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), NULL);
 725         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 726
 727         att_list = TNY_LIST (tny_simple_list_new ());
 728
 729         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 730         for (node = children; node != NULL; node = g_list_next (node)) {
 731                 GtkWidget *att_view = GTK_WIDGET (node->data);
 732                 TnyMimePart *mime_part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 733                 tny_list_append (att_list, (GObject *) mime_part);
 734                 g_object_unref (mime_part);
 735         }
 736         g_list_free (children);
 737         return att_list;
 738
 739 }
 740
 741 void
 742 modest_attachments_view_select_all (ModestAttachmentsView *atts_view)
 743 {
 744         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 745         GList *children = NULL;
 746         GList *node = NULL;
 747
 748         unselect_all (atts_view);
 749
 750         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 751         g_list_free (priv->selected);
 752         priv->selected = NULL;
 753
 754
 755         for (node = children; node != NULL; node = g_list_next (node)) {
 756                 gtk_widget_set_state (GTK_WIDGET (node->data), GTK_STATE_SELECTED);
 757                 priv->selected = g_list_append (priv->selected, node->data);
 758         }
 759         g_list_free (children);
 760
 761         own_clipboard (atts_view);
 762 }
 763
 764 gboolean
 765 modest_attachments_view_has_attachments (ModestAttachmentsView *atts_view)
 766 {
 767         ModestAttachmentsViewPrivate *priv;
 768         GList *children;
 769         gboolean result;
 770
 771         g_return_val_if_fail (MODEST_IS_ATTACHMENTS_VIEW (atts_view), FALSE);
 772         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 773
 774         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 775         result = (children != NULL);
 776         g_list_free (children);
 777
 778         return result;
 779 }
 780
 781 void
 782 modest_attachments_view_get_sizes (ModestAttachmentsView *attachments_view,
 783                                    gint *attachments_count,
 784                                    guint64 *attachments_size)
 785 {
 786         ModestAttachmentsViewPrivate *priv;
 787         GList *children, *node;
 788
 789         g_return_if_fail (MODEST_IS_ATTACHMENTS_VIEW (attachments_view));
 790         g_return_if_fail (attachments_count != NULL && attachments_size != NULL);
 791
 792         *attachments_count = 0;
 793         *attachments_size = 0;
 794
 795         priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (attachments_view);
 796
 797         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 798         for (node = children; node != NULL; node = g_list_next (node)) {
 799                 GtkWidget *att_view = (GtkWidget *) node->data;
 800                 TnyMimePart *part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (att_view));
 801
 802                 if (!tny_mime_part_is_purged (part)) {
 803                         guint64 size;
 804                         (*attachments_count) ++;
 805                         size = modest_attachment_view_get_size (MODEST_ATTACHMENT_VIEW (att_view));
 806                         if (size == 0) {
 807                                 /* we do a random estimation of the size of an attachment */
 808                                 size = 32768;
 809                         }
 810                         *attachments_size += size;
 811
 812                 }
 813                 g_object_unref (part);
 814         }
 815         g_list_free (children);
 816 }
 817
 818 static void
 819 own_clipboard (ModestAttachmentsView *atts_view)
 820 {
 821         GtkTargetEntry targets[] = {
 822                 {MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE, 0, MODEST_ATTACHMENTS_VIEW_CLIPBOARD_TYPE_INDEX},
 823         };
 824
 825         gtk_clipboard_set_with_owner (gtk_widget_get_clipboard (GTK_WIDGET (atts_view), GDK_SELECTION_PRIMARY),
 826                                       targets, G_N_ELEMENTS (targets),
 827                                       clipboard_get, clipboard_clear, G_OBJECT(atts_view));
 828
 829 }
 830
 831 static gboolean
 832 focus_out_event (GtkWidget *widget, GdkEventFocus *event, ModestAttachmentsView *atts_view)
 833 {
 834         if (!gtk_widget_is_focus (widget))
 835                 unselect_all (atts_view);
 836
 837         return FALSE;
 838 }
 839
 840 static gboolean
 841 focus (GtkWidget *widget, GtkDirectionType direction, ModestAttachmentsView *atts_view)
 842 {
 843         ModestAttachmentsViewPrivate *priv = MODEST_ATTACHMENTS_VIEW_GET_PRIVATE (atts_view);
 844         GList *children = NULL;
 845         GtkWidget *toplevel = NULL;
 846
 847         toplevel = gtk_widget_get_toplevel (widget);
 848         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)))
 849                 return FALSE;
 850
 851         children = gtk_container_get_children (GTK_CONTAINER (priv->box));
 852         if (children != NULL) {
 853                 set_selected (atts_view, MODEST_ATTACHMENT_VIEW (children->data));
 854         }
 855         g_list_free (children);
 856
 857         return FALSE;
 858 }