* src/widgets/modest-header-view-render.c:
[modest] / src / widgets / modest-header-view.c
index ff745ba..c4f239d 100644 (file)
 #include <modest-header-view.h>
 #include <modest-header-view-priv.h>
 #include <modest-dnd.h>
+#include <modest-tny-folder.h>
 
 #include <modest-marshal.h>
 #include <modest-text-utils.h>
 #include <modest-icon-names.h>
 #include <modest-runtime.h>
+#include "modest-platform.h"
+#include <modest-hbox-cell-renderer.h>
+#include <modest-vbox-cell-renderer.h>
 
 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
 static void modest_header_view_init        (ModestHeaderView *obj);
@@ -50,8 +54,8 @@ static gboolean      on_header_clicked      (GtkWidget *widget,
                                            GdkEventButton *event, 
                                            gpointer user_data);
 
-static gint          cmp_rows               (GtkTreeModel *tree_model, 
-                                            GtkTreeIter *iter1, 
+static gint          cmp_rows               (GtkTreeModel *tree_model,
+                                            GtkTreeIter *iter1,
                                             GtkTreeIter *iter2,
                                             gpointer user_data);
 
@@ -66,14 +70,23 @@ static gboolean      on_focus_in            (GtkWidget     *sef,
                                             GdkEventFocus *event,
                                             gpointer       user_data);
 
+static void          folder_monitor_update  (TnyFolderObserver *self, 
+                                            TnyFolderChange *change);
+
+static void          tny_folder_observer_init (TnyFolderObserverIface *klass);
+
 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
 struct _ModestHeaderViewPrivate {
        TnyFolder            *folder;
        ModestHeaderViewStyle style;
 
        TnyFolderMonitor     *monitor;
-       GMutex               *monitor_lock;
-       gint sort_colid[2][TNY_FOLDER_TYPE_NUM];
+       GMutex               *observers_lock;
+
+       gint                  sort_colid[2][TNY_FOLDER_TYPE_NUM];
+       gint                  sort_type[2][TNY_FOLDER_TYPE_NUM];
+
+
 };
 
 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
@@ -115,9 +128,21 @@ modest_header_view_get_type (void)
                        (GInstanceInitFunc) modest_header_view_init,
                        NULL
                };
+
+               static const GInterfaceInfo tny_folder_observer_info = 
+               {
+                       (GInterfaceInitFunc) tny_folder_observer_init, /* interface_init */
+                       NULL,         /* interface_finalize */
+                       NULL          /* interface_data */
+               };
                my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
                                                  "ModestHeaderView",
                                                  &my_info, 0);
+
+               g_type_add_interface_static (my_type, TNY_TYPE_FOLDER_OBSERVER,
+                                            &tny_folder_observer_info);
+
+
        }
        return my_type;
 }
@@ -171,6 +196,12 @@ modest_header_view_class_init (ModestHeaderViewClass *klass)
                              G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 }
 
+static void
+tny_folder_observer_init (TnyFolderObserverIface *klass)
+{
+       klass->update_func = folder_monitor_update;
+}
+
 static GtkTreeViewColumn*
 get_new_column (const gchar *name, GtkCellRenderer *renderer,
                gboolean resizable, gint sort_col_id, gboolean show_as_text,
@@ -201,13 +232,11 @@ get_new_column (const gchar *name, GtkCellRenderer *renderer,
 }
 
 
-
-
 static void
 remove_all_columns (ModestHeaderView *obj)
 {
        GList *columns, *cursor;
-
+       
        columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 
        for (cursor = columns; cursor; cursor = cursor->next)
@@ -223,9 +252,12 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
        GtkTreeViewColumn *column=NULL;
        GtkTreeSelection *selection = NULL;
        GtkCellRenderer *renderer_msgtype,*renderer_header,
-               *renderer_attach,  *renderer_comptact_flag, 
-               *renderer_compact_date;
+               *renderer_attach, *renderer_compact_date;
+       GtkCellRenderer *renderer_compact_header, *renderer_recpt_box, 
+               *renderer_subject, *renderer_subject_box, *renderer_recpt,
+               *renderer_priority;
        ModestHeaderViewPrivate *priv;
+       GtkTreeViewColumn *compact_column = NULL;
        const GList *cursor;
        
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self); 
@@ -233,16 +265,46 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
        /* FIXME: check whether these renderers need to be freed */
        renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
        renderer_attach  = gtk_cell_renderer_pixbuf_new ();
+       renderer_priority  = gtk_cell_renderer_pixbuf_new ();
        renderer_header  = gtk_cell_renderer_text_new ();
-       renderer_comptact_flag  = gtk_cell_renderer_pixbuf_new ();
+
+       renderer_compact_header = modest_vbox_cell_renderer_new ();
+       renderer_recpt_box = modest_hbox_cell_renderer_new ();
+       renderer_subject_box = modest_hbox_cell_renderer_new ();
+       renderer_recpt = gtk_cell_renderer_text_new ();
+       renderer_subject = gtk_cell_renderer_text_new ();
        renderer_compact_date  = gtk_cell_renderer_text_new ();
 
+       modest_vbox_cell_renderer_append (MODEST_VBOX_CELL_RENDERER (renderer_compact_header), renderer_subject_box, FALSE);
+       g_object_set_data (G_OBJECT (renderer_compact_header), "subject-box-renderer", renderer_subject_box);
+       modest_vbox_cell_renderer_append (MODEST_VBOX_CELL_RENDERER (renderer_compact_header), renderer_recpt_box, FALSE);
+       g_object_set_data (G_OBJECT (renderer_compact_header), "recpt-box-renderer", renderer_recpt_box);
+       modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_subject_box), renderer_priority, FALSE);
+       g_object_set_data (G_OBJECT (renderer_subject_box), "priority-renderer", renderer_priority);
+       modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_subject_box), renderer_subject, TRUE);
+       g_object_set_data (G_OBJECT (renderer_subject_box), "subject-renderer", renderer_subject);
+       modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_attach, FALSE);
+       g_object_set_data (G_OBJECT (renderer_recpt_box), "attach-renderer", renderer_attach);
+       modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_recpt, TRUE);
+       g_object_set_data (G_OBJECT (renderer_recpt_box), "recipient-renderer", renderer_recpt);
+       modest_hbox_cell_renderer_append (MODEST_HBOX_CELL_RENDERER (renderer_recpt_box), renderer_compact_date, FALSE);
+       g_object_set_data (G_OBJECT (renderer_recpt_box), "date-renderer", renderer_compact_date);
+
        g_object_set(G_OBJECT(renderer_header),
                     "ellipsize", PANGO_ELLIPSIZE_END,
                     NULL);
+       g_object_set (G_OBJECT (renderer_subject),
+                     "ellipsize", PANGO_ELLIPSIZE_END,
+                     NULL);
+       g_object_set (G_OBJECT (renderer_recpt),
+                     "ellipsize", PANGO_ELLIPSIZE_END,
+                     NULL);
        g_object_set(G_OBJECT(renderer_compact_date),
                     "xalign", 1.0,
                     NULL);
+
+       gtk_cell_renderer_set_fixed_size (renderer_attach, 32, 32);
+       gtk_cell_renderer_set_fixed_size (renderer_priority, 32, 32);
        
        remove_all_columns (self);
 
@@ -297,29 +359,22 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
                                                 GINT_TO_POINTER(FALSE));
                        break;
                        
-               case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
-                       column = get_new_column (_("F"), renderer_comptact_flag, FALSE,
-                                                TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                                                FALSE,
-                                                (GtkTreeCellDataFunc)_modest_header_view_compact_flag_cell_data,
-                                                NULL);
-                       gtk_tree_view_column_set_fixed_width (column, 45);
-                       break;
-
                case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
-                       column = get_new_column (_("Header"), renderer_header, TRUE,
-                                                TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
-                                                TRUE,
-                                                (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
-                                                GINT_TO_POINTER(TRUE));
+                       column = get_new_column (_("Header"), renderer_compact_header, TRUE,
+                                                    TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
+                                                    FALSE,
+                                                    (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
+                                                    GINT_TO_POINTER(TRUE));
+                       compact_column = column;
                        break;
 
                case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
-                       column = get_new_column (_("Header"), renderer_header, TRUE,
-                                                TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
-                                                TRUE,
-                                                (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
-                                                GINT_TO_POINTER(FALSE));
+                       column = get_new_column (_("Header"), renderer_compact_header, TRUE,
+                                                    TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
+                                                    FALSE,
+                                                    (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
+                                                    GINT_TO_POINTER(FALSE));
+                       compact_column = column;
                        break;
 
                        
@@ -347,23 +402,6 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
                                                 GINT_TO_POINTER(FALSE));
                        break;
                        
-               case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
-                       column = get_new_column (_("Received"), renderer_compact_date, FALSE,
-                                                TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
-                                                TRUE,
-                                                (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
-                                                GINT_TO_POINTER(TRUE));
-                       gtk_tree_view_column_set_fixed_width (column, 130);
-                       break;
-                       
-               case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:                                             
-                       column = get_new_column (_("Sent"), renderer_compact_date, FALSE,
-                                                TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
-                                                TRUE,
-                                                (GtkTreeCellDataFunc)_modest_header_view_compact_date_cell_data,
-                                                GINT_TO_POINTER(FALSE));
-                       gtk_tree_view_column_set_fixed_width (column, 130);
-                       break;
                case MODEST_HEADER_VIEW_COLUMN_SIZE:
                        column = get_new_column (_("Size"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
@@ -383,11 +421,6 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
                        g_return_val_if_reached(FALSE);
                }
 
-               if (sortable) 
-                       gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
-                                                        col, (GtkTreeIterCompareFunc)cmp_rows,
-                                                        column, NULL);
-               
                /* we keep the column id around */
                g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
                                   GINT_TO_POINTER(col));
@@ -396,9 +429,16 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns, Tn
                g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
                                   self);
                gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);              
-       }       
-       
-       
+       }               
+
+       if (sortable) {
+               gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
+                                                TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                                (GtkTreeIterCompareFunc) cmp_rows,
+                                                compact_column, NULL);
+       }
+
+
        return TRUE;
 }
 
@@ -413,10 +453,15 @@ modest_header_view_init (ModestHeaderView *obj)
        priv->folder  = NULL;
 
        priv->monitor        = NULL;
-       priv->monitor_lock   = g_mutex_new ();
-       for (j=0; j < 2; j++)
-               for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) 
+       priv->observers_lock = g_mutex_new ();
+
+       /* Sort parameters */
+       for (j=0; j < 2; j++) {
+               for (i=0; i < TNY_FOLDER_TYPE_NUM; i++) {
                        priv->sort_colid[j][i] = -1;
+                       priv->sort_type[j][i] = GTK_SORT_DESCENDING;
+               }                       
+       }
 
        setup_drag_and_drop (GTK_TREE_VIEW (obj));
 }
@@ -430,19 +475,20 @@ modest_header_view_finalize (GObject *obj)
        self = MODEST_HEADER_VIEW(obj);
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
-       g_mutex_lock (priv->monitor_lock);
+       g_mutex_lock (priv->observers_lock);
        if (priv->monitor) {
                tny_folder_monitor_stop (priv->monitor);
                g_object_unref (G_OBJECT (priv->monitor));
        }
-       g_mutex_unlock (priv->monitor_lock);
-       g_mutex_free (priv->monitor_lock);
+       g_mutex_unlock (priv->observers_lock);
+       g_mutex_free (priv->observers_lock);
 
        if (priv->folder) {
+               tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (obj));
                g_object_unref (G_OBJECT (priv->folder));
                priv->folder   = NULL;
        }
-       
+
        G_OBJECT_CLASS(parent_class)->finalize (obj);
 }
 
@@ -621,6 +667,7 @@ modest_header_view_get_columns (ModestHeaderView *self)
        return gtk_tree_view_get_columns (GTK_TREE_VIEW(self)); 
 }
 
+
 gboolean
 modest_header_view_is_empty (ModestHeaderView *self)
 {
@@ -690,65 +737,12 @@ modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 
                /* Set new model */
                gtk_tree_view_set_model (header_view, model);
-
-               modest_runtime_verify_object_death (old_model, "");
-               modest_runtime_verify_object_death (old_model_sort, "");
        } else
                gtk_tree_view_set_model (header_view, model);
 
        return;
 }
 
-static void
-on_progress_changed (ModestMailOperation *mail_op,
-                    ModestHeaderView *self)
-{
-       GtkTreeModel *sortable; 
-       ModestHeaderViewPrivate *priv;
-       GList *cols, *cursor;
-       TnyList *headers;
-
-       if (!modest_mail_operation_is_finished (mail_op))
-               return;
-
-       if (modest_mail_operation_get_error (mail_op))
-               return;
-       
-       priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
-
-       headers = TNY_LIST (tny_gtk_header_list_model_new ());
-
-       tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
-                                             priv->folder, TRUE);
-
-       sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
-       g_object_unref (G_OBJECT (headers));
-
-       /* install our special sorting functions */
-       cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
-       while (cursor) {
-               gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
-                                                                MODEST_HEADER_VIEW_COLUMN));
-               gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
-                                                col_id,
-                                                (GtkTreeIterCompareFunc) cmp_rows,
-                                                cursor->data, NULL);
-               cursor = g_list_next(cursor);
-       }
-       g_list_free (cols);
-
-       /* Set new model */
-       modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
-       g_object_unref (G_OBJECT (sortable));
-
-       /* Add a folder observer */
-       g_mutex_lock (priv->monitor_lock);
-       priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (priv->folder));
-       tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
-       tny_folder_monitor_start (priv->monitor);
-       g_mutex_unlock (priv->monitor_lock);
-}
-
 TnyFolder*
 modest_header_view_get_folder (ModestHeaderView *self)
 {
@@ -764,10 +758,13 @@ modest_header_view_get_folder (ModestHeaderView *self)
 static void
 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 {
+       TnyFolderType type;
        TnyList *headers;
        ModestHeaderViewPrivate *priv;
        GList *cols, *cursor;
        GtkTreeModel *sortable; 
+       guint sort_colid;
+       GtkSortType sort_type;
 
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
@@ -776,8 +773,9 @@ modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
        tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
                                              folder, FALSE);
 
-       /* Add a folder observer */
-       g_mutex_lock (priv->monitor_lock);
+       /* Add IDLE observer (monitor) and another folder observer for
+          new messages (self) */
+       g_mutex_lock (priv->observers_lock);
        if (priv->monitor) {
                tny_folder_monitor_stop (priv->monitor);
                g_object_unref (G_OBJECT (priv->monitor));
@@ -785,33 +783,69 @@ modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
        priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
        tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
        tny_folder_monitor_start (priv->monitor);
-       g_mutex_unlock (priv->monitor_lock);
-
+       tny_folder_add_observer (folder, TNY_FOLDER_OBSERVER (self));
+       g_mutex_unlock (priv->observers_lock);
 
        sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
        g_object_unref (G_OBJECT (headers));
 
        /* install our special sorting functions */
        cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
-       while (cursor) {
-               gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
-                                                                MODEST_HEADER_VIEW_COLUMN));
+
+       /* Restore sort column id */
+       if (cols) {
+               type  = modest_tny_folder_guess_folder_type (folder);
+               sort_colid = modest_header_view_get_sort_column_id (self, type); 
+               sort_type = modest_header_view_get_sort_type (self, type); 
+               gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
+                                                     sort_colid,
+                                                     sort_type);
                gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
-                                                col_id,
+                                                TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
                                                 (GtkTreeIterCompareFunc) cmp_rows,
-                                                cursor->data, NULL);
-               cursor = g_list_next(cursor);
+                                                cols->data, NULL);
        }
-       g_list_free (cols);
-
 
        /* Set new model */
        modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
        g_object_unref (G_OBJECT (sortable));
+
+       /* Free */
+       g_list_free (cols);
 }
 
 void
-modest_header_view_set_sort_column_id (ModestHeaderView *self, guint sort_colid, TnyFolderType type)
+modest_header_view_sort_by_column_id (ModestHeaderView *self, 
+                                     guint sort_colid,
+                                     GtkSortType sort_type)
+{
+       ModestHeaderViewPrivate *priv = NULL;
+       GtkTreeModel *sortable = NULL; 
+       TnyFolderType type;
+
+       /* Get model and private data */
+       priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);            
+       sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
+       
+       /* Sort tree model */
+       type  = modest_tny_folder_guess_folder_type (priv->folder);
+       gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
+                                             sort_colid,
+                                             sort_type);
+       /* Store new sort parameters */
+       modest_header_view_set_sort_params (self, sort_colid, sort_type, type);
+
+       /* Save GConf parameters */
+/*     modest_widget_memory_save (modest_runtime_get_conf(), */
+/*                                G_OBJECT(self), "header-view"); */
+       
+}
+
+void
+modest_header_view_set_sort_params (ModestHeaderView *self, 
+                                   guint sort_colid, 
+                                   GtkSortType sort_type,
+                                   TnyFolderType type)
 {
        ModestHeaderViewPrivate *priv;
        ModestHeaderViewStyle style;
@@ -820,10 +854,12 @@ modest_header_view_set_sort_column_id (ModestHeaderView *self, guint sort_colid,
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
        priv->sort_colid[style][type] = sort_colid;
+       priv->sort_type[style][type] = sort_type;
 }
 
 gint
-modest_header_view_get_sort_column_id (ModestHeaderView *self, TnyFolderType type)
+modest_header_view_get_sort_column_id (ModestHeaderView *self, 
+                                      TnyFolderType type)
 {
        ModestHeaderViewPrivate *priv;
        ModestHeaderViewStyle style;
@@ -834,6 +870,19 @@ modest_header_view_get_sort_column_id (ModestHeaderView *self, TnyFolderType typ
        return priv->sort_colid[style][type];
 }
 
+GtkSortType
+modest_header_view_get_sort_type (ModestHeaderView *self, 
+                                 TnyFolderType type)
+{
+       ModestHeaderViewPrivate *priv;
+       ModestHeaderViewStyle style;
+
+       style = modest_header_view_get_style   (self);
+       priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
+
+       return priv->sort_type[style][type];
+}
+
 void
 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 {
@@ -842,13 +891,17 @@ modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
        if (priv->folder) {
+               g_mutex_lock (priv->observers_lock);
+               tny_folder_remove_observer (priv->folder, TNY_FOLDER_OBSERVER (self));
                g_object_unref (priv->folder);
                priv->folder = NULL;
+               g_mutex_unlock (priv->observers_lock);
        }
 
        if (folder) {
                ModestMailOperation *mail_op;
 
+               /* Set folder in the model */
                modest_header_view_set_folder_intern (self, folder);
 
                /* Pick my reference. Nothing to do with the mail operation */
@@ -858,14 +911,10 @@ modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
                g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 
                /* Create the mail operation */
-               mail_op = modest_mail_operation_new ();
+               mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_RECEIVE, NULL);
                modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
                                                 mail_op);
 
-               /* Register a mail operation observer */
-               g_signal_connect (mail_op, "progress-changed", 
-                                 G_CALLBACK (on_progress_changed), self);
-
                /* Refresh the folder asynchronously */
                modest_mail_operation_refresh_folder (mail_op, folder);
 
@@ -873,15 +922,16 @@ modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
                g_object_unref (mail_op);
 
        } else {
-               g_mutex_lock (priv->monitor_lock);
-               modest_header_view_set_model (GTK_TREE_VIEW (self), NULL); 
+               g_mutex_lock (priv->observers_lock);
 
                if (priv->monitor) {
                        tny_folder_monitor_stop (priv->monitor);
                        g_object_unref (G_OBJECT (priv->monitor));
                        priv->monitor = NULL;
                }
-               g_mutex_unlock (priv->monitor_lock);
+               modest_header_view_set_model (GTK_TREE_VIEW (self), NULL); 
+
+               g_mutex_unlock (priv->observers_lock);
        }
 }
 
@@ -978,12 +1028,12 @@ cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
        gint col_id;
        gint t1, t2;
        gint val1, val2;
-       gchar *s1, *s2;
-       gint cmp;       
+       gint cmp;
        static int counter = 0;
 
-       g_return_val_if_fail (G_IS_OBJECT(user_data), 0);
-       col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
+       g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN(user_data), 0);
+/*     col_id = gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (tree_model)); */
+       col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_FLAG_SORT));
        
        if (!(++counter % 100)) {
                GObject *header_view = g_object_get_data(G_OBJECT(user_data),
@@ -991,107 +1041,32 @@ cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
                g_signal_emit (header_view,
                               signals[STATUS_UPDATE_SIGNAL],
                               0, _("Sorting..."), 0, 0);
-       }       
-       switch (col_id) {
-
-               /* first one, we decide based on the time */
-       case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
-       case MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE:
-       case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
-
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
-                                   &t1,-1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
-                                   &t2,-1);
-               return t1 - t2;
-
-       case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
-       case MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE:
-       case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
-                                   &t1,-1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
-                                   &t2,-1);
-               return t1 - t2;
-
-               
-               /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
-               /* FIXME: what about received-date? */
-       case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
-
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-
-               /* the prefix ('Re:', 'Fwd:' etc.) we ignore */ 
-               cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
-                                                    s2 + modest_text_utils_get_subject_prefix_len(s2),
-                                                    TRUE);
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
        }
-               
-       case MODEST_HEADER_VIEW_COLUMN_FROM:
-               
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
-               
-       case MODEST_HEADER_VIEW_COLUMN_TO: 
-               
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
-
-       case MODEST_HEADER_VIEW_COLUMN_ATTACH:
+       switch (col_id) {
+       case TNY_HEADER_FLAG_ATTACHMENTS:
 
                gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
                                    TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
                gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
                                    TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
-               
+
                cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
                        (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
 
                return cmp ? cmp : t1 - t2;
                
-       case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
+       case TNY_HEADER_FLAG_PRIORITY:
                gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
                                    TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
                gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
                                    TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
-               cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
+
+               /* This is for making priority values respect the intuitive sort relationship 
+                * as HIGH is 11, LOW is 01, and we put NORMAL AS 10 (2) */
+               if (val1 == 0) val1 = 2;
+               if (val2 == 0) val2 = 2;
+
+               cmp =  (val1 & TNY_HEADER_FLAG_PRIORITY) - (val2 & TNY_HEADER_FLAG_PRIORITY);
 
                return cmp ? cmp : t1 - t2;
 
@@ -1106,11 +1081,11 @@ drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
                  GtkSelectionData *selection_data, 
                  guint info,  guint time, gpointer data)
 {
-       GtkTreeModel *model;
+       GtkTreeModel *model = NULL;
        GtkTreeIter iter;
-       GtkTreePath *source_row;
+       GtkTreePath *source_row = NULL;
        
-       source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
+       source_row = get_selected_row (GTK_TREE_VIEW (widget), &model);
        if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
 
        switch (info) {
@@ -1128,7 +1103,7 @@ drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
                break;
        }
        default:
-               g_message ("default");
+               g_message ("%s: default switch case.", __FUNCTION__);
        }
 
        gtk_tree_path_free (source_row);
@@ -1137,8 +1112,7 @@ drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
 /* Header view drag types */
 const GtkTargetEntry header_view_drag_types[] = {
        { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
-       { "text/uri-list",      0,                   MODEST_MSG },
+       { "text/uri-list",      0,                   MODEST_MSG }, 
 };
 
 static void
@@ -1243,3 +1217,35 @@ on_focus_in (GtkWidget     *self,
 
        return FALSE;
 }
+
+static void
+folder_monitor_update (TnyFolderObserver *self, 
+                      TnyFolderChange *change)
+{
+       ModestHeaderViewPrivate *priv = MODEST_HEADER_VIEW_GET_PRIVATE (self);
+       TnyFolderChangeChanged changed;
+
+       g_mutex_lock (priv->observers_lock);
+
+       changed = tny_folder_change_get_changed (change);
+
+       if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) {
+/*     TnyIterator *iter; */
+/*     TnyList *list; */
+/*             /\* The added headers *\/ */
+/*             list = tny_simple_list_new (); */
+/*             tny_folder_change_get_added_headers (change, list); */
+/*             iter = tny_list_create_iterator (list); */
+/*             while (!tny_iterator_is_done (iter)) */
+/*             { */
+/*                     TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter)); */
+/*                     g_object_unref (G_OBJECT (header)); */
+/*                     tny_iterator_next (iter); */
+/*             } */
+/*             g_object_unref (G_OBJECT (iter)); */
+/*             g_object_unref (G_OBJECT (list)); */
+               modest_platform_on_new_msg ();
+       }
+
+       g_mutex_unlock (priv->observers_lock);
+}