2007-06-14 Murray Cumming <murrayc@murrayc.com>
[modest] / src / widgets / modest-header-view.c
index 56b6919..decad30 100644 (file)
@@ -38,6 +38,8 @@
 #include <modest-dnd.h>
 #include <modest-tny-folder.h>
 
+#include <modest-main-window.h>
+
 #include <modest-marshal.h>
 #include <modest-text-utils.h>
 #include <modest-icon-names.h>
@@ -74,6 +76,7 @@ static void          folder_monitor_update  (TnyFolderObserver *self,
 
 static void          tny_folder_observer_init (TnyFolderObserverIface *klass);
 
+
 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
 struct _ModestHeaderViewPrivate {
        TnyFolder            *folder;
@@ -88,6 +91,13 @@ struct _ModestHeaderViewPrivate {
 
 };
 
+typedef struct _HeadersCountChangedHelper HeadersCountChangedHelper;
+struct _HeadersCountChangedHelper {
+       ModestHeaderView *self;
+       TnyFolderChange  *change;       
+};
+
+
 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                                MODEST_TYPE_HEADER_VIEW, \
                                                 ModestHeaderViewPrivate))
@@ -100,7 +110,7 @@ enum {
        HEADER_SELECTED_SIGNAL,
        HEADER_ACTIVATED_SIGNAL,
        ITEM_NOT_FOUND_SIGNAL,
-       STATUS_UPDATE_SIGNAL,
+       MSG_COUNT_CHANGED_SIGNAL,
        LAST_SIGNAL
 };
 
@@ -185,14 +195,14 @@ modest_header_view_class_init (ModestHeaderViewClass *klass)
                              g_cclosure_marshal_VOID__INT,
                              G_TYPE_NONE, 1, G_TYPE_INT);
 
-       signals[STATUS_UPDATE_SIGNAL] =
-               g_signal_new ("status_update",
+       signals[MSG_COUNT_CHANGED_SIGNAL] =
+               g_signal_new ("msg_count_changed",
                              G_TYPE_FROM_CLASS (gobject_class),
                              G_SIGNAL_RUN_FIRST,
-                             G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
+                             G_STRUCT_OFFSET (ModestHeaderViewClass, msg_count_changed),
                              NULL, NULL,
-                             modest_marshal_VOID__STRING_INT_INT,
-                             G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
+                             modest_marshal_VOID__POINTER_POINTER,
+                             G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
 }
 
 static void
@@ -508,7 +518,7 @@ modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
        
        modest_header_view_set_style   (self, style);
-       modest_header_view_set_folder (self, NULL);
+       modest_header_view_set_folder (self, NULL, NULL, NULL);
 
        gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
        gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
@@ -883,10 +893,16 @@ modest_header_view_get_sort_type (ModestHeaderView *self,
 }
 
 void
-modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
+modest_header_view_set_folder (ModestHeaderView *self, 
+                              TnyFolder *folder,
+                              RefreshAsyncUserCallback callback,
+                              gpointer user_data)
 {
        ModestHeaderViewPrivate *priv;
-
+       ModestMailOperation *mail_op = NULL;
+       ModestWindowMgr *mgr = NULL;
+       GObject *source = NULL;
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
        if (priv->folder) {
@@ -898,7 +914,10 @@ modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
        }
 
        if (folder) {
-               ModestMailOperation *mail_op;
+
+               /* Get main window to use it as source of mail operation */
+               mgr = modest_runtime_get_window_mgr ();
+               source = G_OBJECT (modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ()));
 
                /* Set folder in the model */
                modest_header_view_set_folder_intern (self, folder);
@@ -909,13 +928,15 @@ modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
                /* no message selected */
                g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 
-               /* Create the mail operation */
-               mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_RECEIVE, NULL);
+               /* Create the mail operation (source will be the parent widget) */
+               mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_RECEIVE, source);
                modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
                                                 mail_op);
 
                /* Refresh the folder asynchronously */
-               modest_mail_operation_refresh_folder (mail_op, folder);
+               modest_mail_operation_refresh_folder (mail_op, folder,
+                                                     callback,
+                                                     user_data);
 
                /* Free */
                g_object_unref (mail_op);
@@ -975,6 +996,7 @@ on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
        GtkTreeIter iter;
        ModestHeaderView *self;
        ModestHeaderViewPrivate *priv;
+       GList *selected = NULL;
        
        g_return_if_fail (sel);
        g_return_if_fail (user_data);
@@ -982,7 +1004,9 @@ on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
        self = MODEST_HEADER_VIEW (user_data);
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);    
 
-       path = get_selected_row (GTK_TREE_VIEW(self), &model);
+       selected = gtk_tree_selection_get_selected_rows (sel, &model);
+       if (selected != NULL) 
+               path = (GtkTreePath *) selected->data;
        if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
                return; /* msg was _un_selected */
 
@@ -1023,19 +1047,19 @@ cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
        gint t1, t2;
        gint val1, val2;
        gint cmp;
-       static int counter = 0;
+/*     static int counter = 0; */
 
        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),
-                                                        MODEST_HEADER_VIEW_PTR);
-               g_signal_emit (header_view,
-                              signals[STATUS_UPDATE_SIGNAL],
-                              0, _("Sorting..."), 0, 0);
-       }
+/*     if (!(++counter % 100)) { */
+/*             GObject *header_view = g_object_get_data(G_OBJECT(user_data), */
+/*                                                      MODEST_HEADER_VIEW_PTR); */
+/*             g_signal_emit (header_view, */
+/*                            signals[STATUS_UPDATE_SIGNAL], */
+/*                            0, _("Sorting..."), 0, 0); */
+/*     } */
        switch (col_id) {
        case TNY_HEADER_FLAG_ATTACHMENTS:
 
@@ -1181,6 +1205,7 @@ on_focus_in (GtkWidget     *self,
 
        /* Need to get the all the rows because is selection multiple */
        selected = gtk_tree_selection_get_selected_rows (selection, &model);
+       if (selected == NULL) return FALSE;
        selected_path = (GtkTreePath *) selected->data;
 
        /* Check if we need to scroll */
@@ -1212,34 +1237,81 @@ on_focus_in (GtkWidget     *self,
        return FALSE;
 }
 
+static gboolean
+idle_notify_added_headers (gpointer data)
+{
+       modest_platform_on_new_msg ();
+
+       return FALSE;
+}
+
+static void
+idle_notify_headers_count_changed_destroy (gpointer data)
+{
+       HeadersCountChangedHelper *helper = NULL;
+
+       g_return_if_fail (data != NULL);
+       helper = (HeadersCountChangedHelper *) data; 
+
+       g_object_unref (helper->change);
+       g_slice_free (HeadersCountChangedHelper, helper);
+}
+
+static gboolean
+idle_notify_headers_count_changed (gpointer data)
+{
+       TnyFolder *folder = NULL;
+       ModestHeaderViewPrivate *priv = NULL;
+       HeadersCountChangedHelper *helper = NULL;
+
+       g_return_val_if_fail (data != NULL, FALSE);
+       helper = (HeadersCountChangedHelper *) data; 
+       g_return_val_if_fail (MODEST_IS_HEADER_VIEW(helper->self), FALSE);
+       g_return_val_if_fail (TNY_FOLDER_CHANGE(helper->change), FALSE);
+
+       folder = tny_folder_change_get_folder (helper->change);
+
+       priv = MODEST_HEADER_VIEW_GET_PRIVATE (helper->self);
+       g_mutex_lock (priv->observers_lock);
+
+       g_signal_emit (G_OBJECT(helper->self), signals[MSG_COUNT_CHANGED_SIGNAL], 0, folder, helper->change);
+               
+       g_mutex_unlock (priv->observers_lock);
+
+       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);
+       HeadersCountChangedHelper *helper = NULL;
 
        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 ();
-       }
+       /* We need an idle because this function is called from within
+          a thread, so it could cause problems if the modest platform
+          code calls dbus for example */
+       if (changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS)
+               g_idle_add (idle_notify_added_headers, NULL);
+       
+       /* Check folder count */
+       if ((changed & TNY_FOLDER_CHANGE_CHANGED_ADDED_HEADERS) ||
+           (changed & TNY_FOLDER_CHANGE_CHANGED_REMOVED_HEADERS)) {
+               helper = g_slice_new0 (HeadersCountChangedHelper);
+               helper->self = MODEST_HEADER_VIEW(self);
+               helper->change = g_object_ref(change);
+               
+               g_idle_add_full (G_PRIORITY_DEFAULT, 
+                                idle_notify_headers_count_changed, 
+                                helper,
+                                idle_notify_headers_count_changed_destroy);
+       }       
+}
 
-       g_mutex_unlock (priv->observers_lock);
+void
+modest_header_view_clear (ModestHeaderView *self)
+{
+       modest_header_view_set_folder (self, NULL, NULL, NULL);
 }