[evolution] EMFolderSelector: Add a "folder-selected" signal.

[Matthew Barnes <mbarnes src gnome org>]

commit f7688facc941a569bcf7d6fa78bb28f90a24a007
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Mar 26 10:39:56 2014 -0400

    EMFolderSelector: Add a "folder-selected" signal.
    
    This makes EMFolderSelector a little more "subclassable".

 mail/em-folder-selector.c |   43 ++++++++++++++++++++++++++++++++++++-------
 mail/em-folder-selector.h |    5 +++++
 2 files changed, 41 insertions(+), 7 deletions(-)
---
diff --git a/mail/em-folder-selector.c b/mail/em-folder-selector.c
index 9761871..5f9c0e5 100644
--- a/mail/em-folder-selector.c
+++ b/mail/em-folder-selector.c
@@ -67,6 +67,13 @@ enum {
        PROP_MODEL
 };
 
+enum {
+       FOLDER_SELECTED,
+       LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL];
+
 /* Forward Declarations */
 static void    em_folder_selector_alert_sink_init
                                        (EAlertSinkInterface *interface);
@@ -108,13 +115,8 @@ folder_selector_selected_cb (EMFolderTree *emft,
                              CamelFolderInfoFlags flags,
                              EMFolderSelector *selector)
 {
-       if (selector->priv->name_entry != NULL) {
-               folder_selector_create_name_changed (
-                       selector->priv->name_entry, selector);
-       } else {
-               gtk_dialog_set_response_sensitive (
-                       GTK_DIALOG (selector), GTK_RESPONSE_OK, TRUE);
-       }
+       g_signal_emit (
+               selector, signals[FOLDER_SELECTED], 0, store, folder_name);
 }
 
 static void
@@ -379,6 +381,21 @@ folder_selector_response (GtkDialog *dialog,
 }
 
 static void
+folder_selector_folder_selected (EMFolderSelector *selector,
+                                 CamelStore *store,
+                                 const gchar *folder_name)
+{
+       if (selector->priv->name_entry != NULL) {
+               folder_selector_create_name_changed (
+                       selector->priv->name_entry, selector);
+       } else {
+               gtk_dialog_set_response_sensitive (
+                       GTK_DIALOG (selector), GTK_RESPONSE_OK,
+                       (store != NULL) && (folder_name != NULL));
+       }
+}
+
+static void
 folder_selector_submit_alert (EAlertSink *alert_sink,
                               EAlert *alert)
 {
@@ -424,6 +441,8 @@ em_folder_selector_class_init (EMFolderSelectorClass *class)
        dialog_class = GTK_DIALOG_CLASS (class);
        dialog_class->response = folder_selector_response;
 
+       class->folder_selected = folder_selector_folder_selected;
+
        g_object_class_install_property (
                object_class,
                PROP_CAN_CREATE,
@@ -470,6 +489,16 @@ em_folder_selector_class_init (EMFolderSelectorClass *class)
                        G_PARAM_READWRITE |
                        G_PARAM_CONSTRUCT_ONLY |
                        G_PARAM_STATIC_STRINGS));
+
+       signals[FOLDER_SELECTED] = g_signal_new (
+               "folder-selected",
+               G_OBJECT_CLASS_TYPE (object_class),
+               G_SIGNAL_RUN_LAST,
+               G_STRUCT_OFFSET (EMFolderSelectorClass, folder_selected),
+               NULL, NULL, NULL,
+               G_TYPE_NONE, 2,
+               CAMEL_TYPE_STORE,
+               G_TYPE_STRING);
 }
 
 static void
diff --git a/mail/em-folder-selector.h b/mail/em-folder-selector.h
index c5f37e2..81e82cb 100644
--- a/mail/em-folder-selector.h
+++ b/mail/em-folder-selector.h
@@ -58,6 +58,11 @@ struct _EMFolderSelector {
 
 struct _EMFolderSelectorClass {
        GtkDialogClass parent_class;
+
+       /* Signals */
+       void            (*folder_selected)      (EMFolderSelector *selector,
+                                                CamelStore *store,
+                                                const gchar *folder_name);
 };
 
 GType          em_folder_selector_get_type     (void);