[evolution/webkit-composer: 159/210] EEditor: Add a read-only "busy" property.



commit 9f91bd45a8055e73eee9c837e2630b38c774fc4f
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Feb 7 16:20:34 2013 -0500

    EEditor: Add a read-only "busy" property.
    
    This is only TRUE while an activity is in progress.
    
    Useful for temporarily disabling parts of the user interface.

 .../evolution-util/evolution-util-sections.txt     |    1 +
 e-util/e-editor-private.h                          |    2 +
 e-util/e-editor.c                                  |   55 ++++++++++++++++++++
 e-util/e-editor.h                                  |    1 +
 4 files changed, 59 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index cc03a76..8f6acd0 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -1574,6 +1574,7 @@ e_dialog_combo_box_get
 <TITLE>EEditor</TITLE>
 EEditor
 e_editor_new
+e_editor_is_busy
 e_editor_get_editor_widget
 e_editor_get_builder
 e_editor_get_ui_manager
diff --git a/e-util/e-editor-private.h b/e-util/e-editor-private.h
index 0ac4334..575c347 100644
--- a/e-util/e-editor-private.h
+++ b/e-util/e-editor-private.h
@@ -94,6 +94,8 @@ struct _EEditorPrivate {
        WebKitDOMNode *table_cell;
 
        gint editor_layout_row;
+
+       gboolean busy;
 };
 
 void           editor_actions_init             (EEditor *editor);
diff --git a/e-util/e-editor.c b/e-util/e-editor.c
index b0f0594..a19b794 100644
--- a/e-util/e-editor.c
+++ b/e-util/e-editor.c
@@ -65,6 +65,7 @@
 
 enum {
        PROP_0,
+       PROP_BUSY,
        PROP_FILENAME
 };
 
@@ -549,6 +550,23 @@ editor_parent_changed (GtkWidget *widget,
 }
 
 static void
+editor_notify_activity_cb (EActivityBar *activity_bar,
+                           GParamSpec *pspec,
+                           EEditor *editor)
+{
+       gboolean busy;
+
+       busy = (e_activity_bar_get_activity (activity_bar) != NULL);
+
+       if (busy == editor->priv->busy)
+               return;
+
+       editor->priv->busy = busy;
+
+       g_object_notify (G_OBJECT (editor), "busy");
+}
+
+static void
 editor_set_property (GObject *object,
                      guint property_id,
                      const GValue *value,
@@ -573,6 +591,12 @@ editor_get_property (GObject *object,
                      GParamSpec *pspec)
 {
        switch (property_id) {
+               case PROP_BUSY:
+                       g_value_set_boolean (
+                               value, e_editor_is_busy (
+                               E_EDITOR (object)));
+                       return;
+
                case PROP_FILENAME:
                        g_value_set_string (
                                value, e_editor_get_filename (
@@ -618,6 +642,10 @@ editor_constructed (GObject *object)
        priv->activity_bar = g_object_ref (widget);
        /* EActivityBar controls its own visibility. */
 
+       g_signal_connect (
+               widget, "notify::activity",
+               G_CALLBACK (editor_notify_activity_cb), editor);
+
        /* Construct the alert bar for errors. */
 
        widget = e_alert_bar_new ();
@@ -807,6 +835,17 @@ e_editor_class_init (EEditorClass *class)
 
        g_object_class_install_property (
                object_class,
+               PROP_BUSY,
+               g_param_spec_boolean (
+                       "busy",
+                       "Busy",
+                       "Whether an activity is in progress",
+                       FALSE,
+                       G_PARAM_READABLE |
+                       G_PARAM_STATIC_STRINGS));
+
+       g_object_class_install_property (
+               object_class,
                PROP_FILENAME,
                g_param_spec_string (
                        "filename",
@@ -896,6 +935,22 @@ e_editor_new (void)
 }
 
 /**
+ * e_editor_is_busy:
+ * @editor: an #EEditor
+ *
+ * Returns %TRUE only while an #EActivity is in progress.
+ *
+ * Returns: whether @editor is busy
+ **/
+gboolean
+e_editor_is_busy (EEditor *editor)
+{
+       g_return_val_if_fail (E_IS_EDITOR (editor), FALSE);
+
+       return editor->priv->busy;
+}
+
+/**
  * e_editor_get_editor_widget:
  * @editor: an #EEditor
  *
diff --git a/e-util/e-editor.h b/e-util/e-editor.h
index 9a01d1b..77c635f 100644
--- a/e-util/e-editor.h
+++ b/e-util/e-editor.h
@@ -69,6 +69,7 @@ struct _EEditorClass {
 
 GType          e_editor_get_type               (void) G_GNUC_CONST;
 GtkWidget *    e_editor_new                    (void);
+gboolean       e_editor_is_busy                (EEditor *editor);
 EEditorWidget *        e_editor_get_editor_widget      (EEditor *editor);
 GtkBuilder *   e_editor_get_builder            (EEditor *editor);
 GtkUIManager * e_editor_get_ui_manager         (EEditor *editor);


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