1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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.
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.
30 #include <glib/gi18n.h>
33 #include <tny-account-store-view.h>
34 #include <tny-gtk-account-list-model.h>
35 #include <tny-gtk-folder-store-tree-model.h>
36 #include <tny-gtk-header-list-model.h>
37 #include <tny-folder.h>
38 #include <tny-account-store.h>
39 #include <tny-account.h>
40 #include <tny-folder.h>
41 #include <tny-camel-folder.h>
42 #include <tny-simple-list.h>
43 #include <modest-tny-folder.h>
44 #include <modest-marshal.h>
45 #include <modest-icon-names.h>
46 #include <modest-tny-account-store.h>
47 #include <modest-text-utils.h>
48 #include <modest-runtime.h>
49 #include "modest-folder-view.h"
50 #include <modest-dnd.h>
51 #include <modest-platform.h>
53 /* 'private'/'protected' functions */
54 static void modest_folder_view_class_init (ModestFolderViewClass *klass);
55 static void modest_folder_view_init (ModestFolderView *obj);
56 static void modest_folder_view_finalize (GObject *obj);
58 static void tny_account_store_view_init (gpointer g,
61 static void modest_folder_view_set_account_store (TnyAccountStoreView *self,
62 TnyAccountStore *account_store);
64 static gboolean update_model (ModestFolderView *self,
65 ModestTnyAccountStore *account_store);
67 static void on_selection_changed (GtkTreeSelection *sel, gpointer data);
69 static void on_account_update (TnyAccountStore *account_store,
73 static void on_accounts_reloaded (TnyAccountStore *store,
76 static gint cmp_rows (GtkTreeModel *tree_model,
82 static void on_drag_data_get (GtkWidget *widget,
83 GdkDragContext *context,
84 GtkSelectionData *selection_data,
89 static void on_drag_data_received (GtkWidget *widget,
90 GdkDragContext *context,
93 GtkSelectionData *selection_data,
98 static gboolean on_drag_motion (GtkWidget *widget,
99 GdkDragContext *context,
105 static gint expand_row_timeout (gpointer data);
107 static void setup_drag_and_drop (GtkTreeView *self);
110 FOLDER_SELECTION_CHANGED_SIGNAL,
114 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
115 struct _ModestFolderViewPrivate {
116 TnyAccountStore *account_store;
117 TnyFolder *cur_folder;
118 GtkTreeRowReference *cur_row;
120 gulong account_update_signal;
121 gulong changed_signal;
122 gulong accounts_reloaded_signal;
124 GtkTreeSelection *cur_selection;
125 TnyFolderStoreQuery *query;
126 guint timer_expander;
128 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o) \
129 (G_TYPE_INSTANCE_GET_PRIVATE((o), \
130 MODEST_TYPE_FOLDER_VIEW, \
131 ModestFolderViewPrivate))
133 static GObjectClass *parent_class = NULL;
135 static guint signals[LAST_SIGNAL] = {0};
138 modest_folder_view_get_type (void)
140 static GType my_type = 0;
142 static const GTypeInfo my_info = {
143 sizeof(ModestFolderViewClass),
144 NULL, /* base init */
145 NULL, /* base finalize */
146 (GClassInitFunc) modest_folder_view_class_init,
147 NULL, /* class finalize */
148 NULL, /* class data */
149 sizeof(ModestFolderView),
151 (GInstanceInitFunc) modest_folder_view_init,
155 static const GInterfaceInfo tny_account_store_view_info = {
156 (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
157 NULL, /* interface_finalize */
158 NULL /* interface_data */
162 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
166 g_type_add_interface_static (my_type,
167 TNY_TYPE_ACCOUNT_STORE_VIEW,
168 &tny_account_store_view_info);
174 modest_folder_view_class_init (ModestFolderViewClass *klass)
176 GObjectClass *gobject_class;
177 gobject_class = (GObjectClass*) klass;
179 parent_class = g_type_class_peek_parent (klass);
180 gobject_class->finalize = modest_folder_view_finalize;
182 g_type_class_add_private (gobject_class,
183 sizeof(ModestFolderViewPrivate));
185 signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
186 g_signal_new ("folder_selection_changed",
187 G_TYPE_FROM_CLASS (gobject_class),
189 G_STRUCT_OFFSET (ModestFolderViewClass,
190 folder_selection_changed),
192 modest_marshal_VOID__POINTER_BOOLEAN,
193 G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
199 text_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
200 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
206 TnyFolder *folder = NULL;
208 g_return_if_fail (column);
209 g_return_if_fail (tree_model);
211 gtk_tree_model_get (tree_model, iter,
212 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
213 TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
214 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
215 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
217 rendobj = G_OBJECT(renderer);
222 if (folder && type != TNY_FOLDER_TYPE_ROOT) { /* FIXME: tnymail bug? crashes with root folders */
223 if (modest_tny_folder_is_local_folder (folder)) {
225 type = modest_tny_folder_get_local_folder_type (folder);
226 if (type != TNY_FOLDER_TYPE_UNKNOWN) {
228 fname = g_strdup(modest_local_folder_info_get_type_display_name (type));
231 } else if (folder && type == TNY_FOLDER_TYPE_ROOT) {
236 gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
237 g_object_set (rendobj,"text", folder_title, "weight", 800, NULL);
238 g_free (folder_title);
240 g_object_set (rendobj,"text", fname, "weight", 400, NULL);
243 if (folder) g_object_unref (G_OBJECT (folder));
249 icon_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
250 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
258 rendobj = G_OBJECT(renderer);
259 gtk_tree_model_get (tree_model, iter,
260 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
261 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
262 TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
264 rendobj = G_OBJECT(renderer);
266 if (type == TNY_FOLDER_TYPE_NORMAL || type == TNY_FOLDER_TYPE_UNKNOWN) {
267 type = modest_tny_folder_guess_folder_type_from_name (fname);
272 case TNY_FOLDER_TYPE_ROOT:
273 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_ACCOUNT);
275 case TNY_FOLDER_TYPE_INBOX:
276 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_INBOX);
278 case TNY_FOLDER_TYPE_OUTBOX:
279 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_OUTBOX);
281 case TNY_FOLDER_TYPE_JUNK:
282 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_JUNK);
284 case TNY_FOLDER_TYPE_SENT:
285 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_SENT);
287 case TNY_FOLDER_TYPE_TRASH:
288 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_TRASH);
290 case TNY_FOLDER_TYPE_DRAFTS:
291 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_DRAFTS);
293 case TNY_FOLDER_TYPE_NORMAL:
295 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_NORMAL);
298 g_object_set (rendobj, "pixbuf", pixbuf, NULL);
302 modest_folder_view_init (ModestFolderView *obj)
304 ModestFolderViewPrivate *priv;
305 GtkTreeViewColumn *column;
306 GtkCellRenderer *renderer;
307 GtkTreeSelection *sel;
309 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
311 priv->timer_expander = 0;
312 priv->account_store = NULL;
313 priv->cur_folder = NULL;
314 priv->cur_row = NULL;
317 column = gtk_tree_view_column_new ();
319 renderer = gtk_cell_renderer_pixbuf_new();
320 gtk_tree_view_column_pack_start (column, renderer, FALSE);
321 gtk_tree_view_column_set_cell_data_func(column, renderer,
322 icon_cell_data, NULL, NULL);
324 renderer = gtk_cell_renderer_text_new();
325 gtk_tree_view_column_pack_start (column, renderer, FALSE);
326 gtk_tree_view_column_set_cell_data_func(column, renderer,
327 text_cell_data, NULL, NULL);
329 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
330 gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
332 gtk_tree_view_column_set_spacing (column, 2);
333 gtk_tree_view_column_set_resizable (column, TRUE);
334 gtk_tree_view_column_set_fixed_width (column, TRUE);
335 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
336 gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), FALSE);
338 gtk_tree_view_append_column (GTK_TREE_VIEW(obj),column);
340 setup_drag_and_drop (GTK_TREE_VIEW(obj));
344 tny_account_store_view_init (gpointer g, gpointer iface_data)
346 TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
348 klass->set_account_store_func = modest_folder_view_set_account_store;
354 modest_folder_view_finalize (GObject *obj)
356 ModestFolderViewPrivate *priv;
357 GtkTreeSelection *sel;
359 g_return_if_fail (obj);
361 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
363 if (priv->timer_expander != 0) {
364 g_source_remove (priv->timer_expander);
365 priv->timer_expander = 0;
368 if (priv->account_store) {
369 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
370 priv->account_update_signal);
371 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
372 priv->accounts_reloaded_signal);
373 g_object_unref (G_OBJECT(priv->account_store));
374 priv->account_store = NULL;
378 g_object_unref (G_OBJECT (priv->query));
382 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
384 g_signal_handler_disconnect (G_OBJECT(sel), priv->changed_signal);
386 G_OBJECT_CLASS(parent_class)->finalize (obj);
391 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
393 ModestFolderViewPrivate *priv;
396 g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
397 g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
399 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
400 device = tny_account_store_get_device (account_store);
402 if (G_UNLIKELY (priv->account_store)) {
404 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
405 priv->account_update_signal))
406 g_signal_handler_disconnect (G_OBJECT (priv->account_store),
407 priv->account_update_signal);
408 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
409 priv->accounts_reloaded_signal))
410 g_signal_handler_disconnect (G_OBJECT (priv->account_store),
411 priv->accounts_reloaded_signal);
413 g_object_unref (G_OBJECT (priv->account_store));
416 priv->account_store = g_object_ref (G_OBJECT (account_store));
418 priv->account_update_signal =
419 g_signal_connect (G_OBJECT(account_store), "account_update",
420 G_CALLBACK (on_account_update), self);
422 priv->accounts_reloaded_signal =
423 g_signal_connect (G_OBJECT(account_store), "accounts_reloaded",
424 G_CALLBACK (on_accounts_reloaded), self);
426 if (!update_model (MODEST_FOLDER_VIEW (self),
427 MODEST_TNY_ACCOUNT_STORE (priv->account_store)))
428 g_printerr ("modest: failed to update model\n");
430 g_object_unref (G_OBJECT (device));
434 on_account_update (TnyAccountStore *account_store, const gchar *account,
437 if (!update_model (MODEST_FOLDER_VIEW(user_data),
438 MODEST_TNY_ACCOUNT_STORE(account_store)))
439 g_printerr ("modest: failed to update model for changes in '%s'",
444 on_accounts_reloaded (TnyAccountStore *account_store,
447 update_model (MODEST_FOLDER_VIEW (user_data),
448 MODEST_TNY_ACCOUNT_STORE(account_store));
452 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
454 GtkTreeViewColumn *col;
456 g_return_if_fail (self);
458 col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
460 g_printerr ("modest: failed get column for title\n");
464 gtk_tree_view_column_set_title (col, title);
465 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
470 modest_folder_view_new (TnyFolderStoreQuery *query)
473 ModestFolderViewPrivate *priv;
474 GtkTreeSelection *sel;
476 self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
477 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
479 priv->query = g_object_ref (query);
481 sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
482 priv->changed_signal = g_signal_connect (sel, "changed",
483 G_CALLBACK (on_selection_changed), self);
484 return GTK_WIDGET(self);
487 /* this feels dirty; any other way to expand all the root items? */
489 expand_root_items (ModestFolderView *self)
492 path = gtk_tree_path_new_first ();
494 /* all folders should have child items, so.. */
495 while (gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE))
496 gtk_tree_path_next (path);
498 gtk_tree_path_free (path);
502 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
504 ModestFolderViewPrivate *priv;
506 TnyList *account_list;
507 GtkTreeModel *model, *sortable;
509 g_return_val_if_fail (account_store, FALSE);
511 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
513 /* Notify that there is no folder selected*/
514 g_signal_emit (G_OBJECT(self),
515 signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
518 /* FIXME: the local accounts are not shown when the query
519 selects only the subscribed folders. */
520 /* model = tny_gtk_folder_store_tree_model_new (TRUE, priv->query); */
521 model = tny_gtk_folder_store_tree_model_new (TRUE, NULL);
522 account_list = TNY_LIST(model);
524 tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
526 TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
528 sortable = gtk_tree_model_sort_new_with_model (model);
529 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
530 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
532 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
533 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
534 cmp_rows, NULL, NULL);
537 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
538 expand_root_items (self); /* expand all account folders */
539 g_object_unref (account_list);
547 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
549 GtkTreeModel *model_sort, *model;
550 TnyFolder *folder = NULL;
551 GtkTreeIter iter, iter_sort;
553 ModestFolderView *tree_view;
554 ModestFolderViewPrivate *priv;
557 g_return_if_fail (sel);
558 g_return_if_fail (user_data);
560 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
561 priv->cur_selection = sel;
563 /* folder was _un_selected if true */
564 if (!gtk_tree_selection_get_selected (sel, &model_sort, &iter_sort)) {
565 if (priv->cur_folder)
566 g_object_unref (priv->cur_folder);
568 gtk_tree_row_reference_free (priv->cur_row);
569 priv->cur_folder = NULL;
570 priv->cur_row = NULL;
574 model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
575 gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model_sort),
579 tree_view = MODEST_FOLDER_VIEW (user_data);
581 gtk_tree_model_get (model, &iter,
582 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
583 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
586 /* If the folder is the same or is a root folder do not notify */
587 if ((type == TNY_FOLDER_TYPE_ROOT) || (priv->cur_folder == folder)) {
588 g_object_unref (folder);
592 /* Current folder was unselected */
593 if (priv->cur_folder) {
594 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
595 priv->cur_folder, FALSE);
596 g_object_unref (priv->cur_folder);
600 gtk_tree_row_reference_free (priv->cur_row);
602 /* New current references */
603 path = gtk_tree_model_get_path (model_sort, &iter_sort);
604 priv->cur_folder = folder;
605 priv->cur_row = gtk_tree_row_reference_new (model_sort, path);
608 gtk_tree_path_free (path);
610 /* New folder has been selected */
611 g_signal_emit (G_OBJECT(tree_view),
612 signals[FOLDER_SELECTION_CHANGED_SIGNAL],
617 modest_folder_view_get_selected (ModestFolderView *self)
619 ModestFolderViewPrivate *priv;
621 g_return_val_if_fail (self, NULL);
623 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
624 if (priv->cur_folder)
625 g_object_ref (priv->cur_folder);
627 return priv->cur_folder;
631 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
635 gchar *name1, *name2;
637 TnyFolder *folder1, *folder2;
639 gtk_tree_model_get (tree_model, iter1,
640 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
641 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
642 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
644 gtk_tree_model_get (tree_model, iter2,
645 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
646 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
649 /* local_folders should be the last one */
650 if (type == TNY_FOLDER_TYPE_ROOT) {
651 /* the account name is also the name of the root folder
652 * in case of local folders */
653 if (name1 && strcmp (name1, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
655 else if (name2 && strcmp (name2, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
658 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
660 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
664 g_object_unref(G_OBJECT(folder1));
666 g_object_unref(G_OBJECT(folder2));
674 /*****************************************************************************/
675 /* DRAG and DROP stuff */
676 /*****************************************************************************/
679 * This function fills the #GtkSelectionData with the row and the
680 * model that has been dragged. It's called when this widget is a
681 * source for dnd after the event drop happened
684 on_drag_data_get (GtkWidget *widget,
685 GdkDragContext *context,
686 GtkSelectionData *selection_data,
691 GtkTreeSelection *selection;
692 GtkTreeModel *model_sort, *model;
694 GtkTreePath *source_row_sort;
695 GtkTreePath *source_row;
697 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
698 gtk_tree_selection_get_selected (selection, &model_sort, &iter);
699 source_row_sort = gtk_tree_model_get_path (model_sort, &iter);
701 /* Get the unsorted path and model */
702 model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
703 source_row = gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
706 gtk_tree_set_row_drag_data (selection_data,
710 gtk_tree_path_free (source_row_sort);
711 gtk_tree_path_free (source_row);
714 typedef struct _DndHelper {
715 gboolean delete_source;
716 GtkTreePath *source_row;
717 GdkDragContext *context;
723 * This function is the callback of the
724 * modest_mail_operation_xfer_msg() and
725 * modest_mail_operation_xfer_folder() calls. We check here if the
726 * message/folder was correctly asynchronously transferred. The reason
727 * to use the same callback is that the code is the same, it only has
728 * to check that the operation went fine and then finalize the drag
732 on_progress_changed (ModestMailOperation *mail_op, gpointer user_data)
737 helper = (DndHelper *) user_data;
739 if (!modest_mail_operation_is_finished (mail_op))
742 if (modest_mail_operation_get_status (mail_op) ==
743 MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
749 /* Notify the drag source. Never call delete, the monitor will
750 do the job if needed */
751 gtk_drag_finish (helper->context, success, FALSE, helper->time);
753 /* Free the helper */
754 gtk_tree_path_free (helper->source_row);
755 g_slice_free (DndHelper, helper);
759 * This function is used by drag_data_received_cb to manage drag and
760 * drop of a header, i.e, and drag from the header view to the folder
764 drag_and_drop_from_header_view (GtkTreeModel *source_model,
765 GtkTreeModel *dest_model,
766 GtkTreePath *dest_row,
771 ModestMailOperation *mail_op;
772 GtkTreeIter source_iter, dest_iter;
775 gtk_tree_model_get_iter (source_model, &source_iter, helper->source_row);
776 gtk_tree_model_get (source_model, &source_iter,
777 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
781 gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
782 gtk_tree_model_get (dest_model, &dest_iter,
783 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
786 /* Transfer message */
787 mail_op = modest_mail_operation_new ();
788 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
790 g_signal_connect (G_OBJECT (mail_op), "progress-changed",
791 G_CALLBACK (on_progress_changed), helper);
793 modest_mail_operation_xfer_msg (mail_op, header, folder, helper->delete_source);
796 g_object_unref (G_OBJECT (mail_op));
797 g_object_unref (G_OBJECT (header));
798 g_object_unref (G_OBJECT (folder));
802 * This function is used by drag_data_received_cb to manage drag and
803 * drop of a folder, i.e, and drag from the folder view to the same
807 drag_and_drop_from_folder_view (GtkTreeModel *source_model,
808 GtkTreeModel *dest_model,
809 GtkTreePath *dest_row,
810 GtkSelectionData *selection_data,
813 ModestMailOperation *mail_op;
814 GtkTreeIter parent_iter, iter;
815 TnyFolderStore *parent_folder;
818 /* Check if the drag is possible */
819 if (!gtk_tree_path_compare (helper->source_row, dest_row) ||
820 !gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (dest_model),
824 gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
825 gtk_tree_path_free (helper->source_row);
826 g_slice_free (DndHelper, helper);
831 gtk_tree_model_get_iter (source_model, &parent_iter, dest_row);
832 gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
833 gtk_tree_model_get (source_model, &parent_iter,
834 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
836 gtk_tree_model_get (source_model, &iter,
837 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
840 /* Do the mail operation */
841 mail_op = modest_mail_operation_new ();
842 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
844 g_signal_connect (G_OBJECT (mail_op), "progress-changed",
845 G_CALLBACK (on_progress_changed), helper);
847 modest_mail_operation_xfer_folder (mail_op,
850 helper->delete_source);
853 g_object_unref (G_OBJECT (parent_folder));
854 g_object_unref (G_OBJECT (folder));
855 g_object_unref (G_OBJECT (mail_op));
859 * This function receives the data set by the "drag-data-get" signal
860 * handler. This information comes within the #GtkSelectionData. This
861 * function will manage both the drags of folders of the treeview and
862 * drags of headers of the header view widget.
865 on_drag_data_received (GtkWidget *widget,
866 GdkDragContext *context,
869 GtkSelectionData *selection_data,
874 GtkWidget *source_widget;
875 GtkTreeModel *model_sort, *dest_model, *source_model;
876 GtkTreePath *source_row, *dest_row, *child_dest_row;
877 GtkTreeViewDropPosition pos;
878 gboolean success = FALSE, delete_source = FALSE;
881 /* Do not allow further process */
882 g_signal_stop_emission_by_name (widget, "drag-data-received");
885 if (context->action == GDK_ACTION_MOVE)
886 delete_source = TRUE;
888 /* Check if the get_data failed */
889 if (selection_data == NULL || selection_data->length < 0)
890 gtk_drag_finish (context, success, FALSE, time);
893 source_widget = gtk_drag_get_source_widget (context);
894 gtk_tree_get_row_drag_data (selection_data,
898 model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
899 /* Select the destination model */
900 if (source_widget == widget) {
901 dest_model = source_model;
903 dest_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
906 /* Get the path to the destination row. Can not call
907 gtk_tree_view_get_drag_dest_row() because the source row
908 is not selected anymore */
909 gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
912 /* Only allow drops IN other rows */
913 if (!dest_row || pos == GTK_TREE_VIEW_DROP_BEFORE || pos == GTK_TREE_VIEW_DROP_AFTER)
914 gtk_drag_finish (context, success, FALSE, time);
916 /* Create the helper */
917 helper = g_slice_new0 (DndHelper);
918 helper->delete_source = delete_source;
919 helper->source_row = gtk_tree_path_copy (source_row);
920 helper->context = context;
923 /* Get path from the unsorted model */
925 gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
927 gtk_tree_path_free (dest_row);
929 /* Drags from the header view */
930 if (source_widget != widget) {
932 drag_and_drop_from_header_view (source_model,
939 drag_and_drop_from_folder_view (source_model,
947 gtk_tree_path_free (source_row);
948 gtk_tree_path_free (child_dest_row);
952 * We define a "drag-drop" signal handler because we do not want to
953 * use the default one, because the default one always calls
954 * gtk_drag_finish and we prefer to do it in the "drag-data-received"
955 * signal handler, because there we have all the information available
956 * to know if the dnd was a success or not.
959 drag_drop_cb (GtkWidget *widget,
960 GdkDragContext *context,
968 if (!context->targets)
971 /* Check if we're dragging a folder row */
972 target = gtk_drag_dest_find_target (widget, context, NULL);
974 /* Request the data from the source. */
975 gtk_drag_get_data(widget, context, target, time);
981 * This function expands a node of a tree view if it's not expanded
982 * yet. Not sure why it needs the threads stuff, but gtk+`example code
983 * does that, so that's why they're here.
986 expand_row_timeout (gpointer data)
988 GtkTreeView *tree_view = data;
989 GtkTreePath *dest_path = NULL;
990 GtkTreeViewDropPosition pos;
991 gboolean result = FALSE;
993 GDK_THREADS_ENTER ();
995 gtk_tree_view_get_drag_dest_row (tree_view,
1000 (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
1001 pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
1002 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
1003 gtk_tree_path_free (dest_path);
1007 gtk_tree_path_free (dest_path);
1012 GDK_THREADS_LEAVE ();
1018 * This function is called whenever the pointer is moved over a widget
1019 * while dragging some data. It installs a timeout that will expand a
1020 * node of the treeview if not expanded yet. This function also calls
1021 * gdk_drag_status in order to set the suggested action that will be
1022 * used by the "drag-data-received" signal handler to know if we
1023 * should do a move or just a copy of the data.
1026 on_drag_motion (GtkWidget *widget,
1027 GdkDragContext *context,
1033 GtkTreeViewDropPosition pos;
1034 GtkTreePath *dest_row;
1035 ModestFolderViewPrivate *priv;
1036 GdkDragAction suggested_action;
1037 gboolean valid_location = FALSE;
1039 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
1041 if (priv->timer_expander != 0) {
1042 g_source_remove (priv->timer_expander);
1043 priv->timer_expander = 0;
1046 gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
1051 /* Do not allow drops between folders */
1053 pos == GTK_TREE_VIEW_DROP_BEFORE ||
1054 pos == GTK_TREE_VIEW_DROP_AFTER) {
1055 gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
1056 gdk_drag_status(context, 0, time);
1057 valid_location = FALSE;
1060 valid_location = TRUE;
1063 /* Expand the selected row after 1/2 second */
1064 if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
1065 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
1066 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
1068 gtk_tree_path_free (dest_row);
1070 /* Select the desired action. By default we pick MOVE */
1071 suggested_action = GDK_ACTION_MOVE;
1073 if (context->actions == GDK_ACTION_COPY)
1074 gdk_drag_status(context, GDK_ACTION_COPY, time);
1075 else if (context->actions == GDK_ACTION_MOVE)
1076 gdk_drag_status(context, GDK_ACTION_MOVE, time);
1077 else if (context->actions & suggested_action)
1078 gdk_drag_status(context, suggested_action, time);
1080 gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
1083 g_signal_stop_emission_by_name (widget, "drag-motion");
1084 return valid_location;
1088 /* Folder view drag types */
1089 const GtkTargetEntry folder_view_drag_types[] =
1091 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, MODEST_FOLDER_ROW },
1092 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW }
1096 * This function sets the treeview as a source and a target for dnd
1097 * events. It also connects all the requirede signals.
1100 setup_drag_and_drop (GtkTreeView *self)
1102 /* Set up the folder view as a dnd destination. Set only the
1103 highlight flag, otherwise gtk will have a different
1105 gtk_drag_dest_set (GTK_WIDGET (self),
1106 GTK_DEST_DEFAULT_HIGHLIGHT,
1107 folder_view_drag_types,
1108 G_N_ELEMENTS (folder_view_drag_types),
1109 GDK_ACTION_MOVE | GDK_ACTION_COPY);
1111 g_signal_connect (G_OBJECT (self),
1112 "drag_data_received",
1113 G_CALLBACK (on_drag_data_received),
1117 /* Set up the treeview as a dnd source */
1118 gtk_drag_source_set (GTK_WIDGET (self),
1120 folder_view_drag_types,
1121 G_N_ELEMENTS (folder_view_drag_types),
1122 GDK_ACTION_MOVE | GDK_ACTION_COPY);
1124 g_signal_connect (G_OBJECT (self),
1126 G_CALLBACK (on_drag_motion),
1129 g_signal_connect (G_OBJECT (self),
1131 G_CALLBACK (on_drag_data_get),
1134 g_signal_connect (G_OBJECT (self),
1136 G_CALLBACK (drag_drop_cb),