edc_editor: Support auto save to update preview.

auto save function saves edc file and updates preview by using timer.
auto save timer is applied when entry is changed or redo/undo is done.
auto save timer is cancelled when candidate list or auto complete list
appears.

src/lib/auto_comp.c

@@ -506,6 +506,8 @@ list_del_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
 {
    autocomp_data *ad = data;
    ad->list = NULL;
+
+   edit_auto_save_timer_apply(ad->ed);
 }
 
 
@@ -579,6 +581,8 @@ entry_tooltip_content_cb(void *data, Evas_Object *obj EINA_UNUSED,
    elm_list_go(ad->list);
    evas_object_show(ad->list);
 
+   edit_auto_save_timer_cancel(ad->ed);
+
    return ad->list;
 }
 

src/lib/edc_editor.c

@@ -13,6 +13,7 @@ const int MAX_LINE_DIGIT_CNT = 10;
 const int SYNTAX_COLOR_SPARE_LINES = 42;
 const double SYNTAX_COLOR_DEFAULT_TIME = 0.25;
 const double SYNTAX_COLOR_SHORT_TIME = 0.025;
+const double AUTO_SAVE_TIME = 2.0;
 
 typedef struct syntax_color_thread_data_s
 {
@@ -48,6 +49,7 @@ struct editor_s
       int right;
    } bracket;
 
+   Ecore_Timer *auto_save_timer;
    Ecore_Timer *syntax_color_timer;
    Ecore_Thread *syntax_color_thread;
 
@@ -457,6 +459,8 @@ edit_changed_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
    syntax_color_partial_update(ed, SYNTAX_COLOR_DEFAULT_TIME);
 
    parser_bracket_cancel(ed->pd);
+
+   edit_auto_save_timer_apply(ed);
 }
 
 static void
@@ -547,6 +551,8 @@ ctxpopup_del_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
 {
    edit_data *ed = data;
    ed->ctxpopup = NULL;
+
+   edit_auto_save_timer_apply(ed);
 }
 
 //This function is called when user press up/down key or mouse wheel up/down
@@ -708,6 +714,8 @@ candidate_list_show(edit_data *ed, char *text, char *cur, char *selected)
    evas_object_event_callback_add(ctxpopup, EVAS_CALLBACK_DEL, ctxpopup_del_cb, ed);
    ed->ctxpopup = ctxpopup;
    elm_object_tree_focus_allow_set(ed->layout, EINA_FALSE);
+
+   edit_auto_save_timer_cancel(ed);
 }
 
 static void
@@ -1106,6 +1114,16 @@ edit_focused_cb(void *data, Evas_Object *obj EINA_UNUSED,
    evas_object_smart_callback_call(ed->enventor, SIG_FOCUSED, NULL);
 }
 
+static Eina_Bool
+auto_save_timer_cb(void *data)
+{
+   edit_data *ed = data;
+   edit_save(ed, build_edc_path_get());
+   build_edc();
+   ed->auto_save_timer = NULL;
+   return ECORE_CALLBACK_CANCEL;
+}
+
 /*****************************************************************************/
 /* Externally accessible calls                                               */
 /*****************************************************************************/
@@ -1858,5 +1876,24 @@ edit_redoundo(edit_data *ed, Eina_Bool undo)
    edit_changed_set(ed, EINA_TRUE);
    syntax_color_full_update(ed, EINA_TRUE);
 
+   edit_auto_save_timer_apply(ed);
+
    return EINA_TRUE;
 }
+
+void
+edit_auto_save_timer_apply(edit_data *ed)
+{
+   if (ed->auto_save_timer)
+     ecore_timer_del(ed->auto_save_timer);
+   ed->auto_save_timer = ecore_timer_add(AUTO_SAVE_TIME, auto_save_timer_cb,
+                                         ed);
+}
+
+void
+edit_auto_save_timer_cancel(edit_data *ed)
+{
+   if (ed->auto_save_timer)
+     ecore_timer_del(ed->auto_save_timer);
+   ed->auto_save_timer = NULL;
+}

src/lib/enventor_private.h

@@ -296,5 +296,7 @@ void edit_disabled_set(edit_data *ed, Eina_Bool disabled);
 void edit_error_set(edit_data *ed, int line, const char *target);
 void edit_text_insert(edit_data *ed, const char *text);
 void edit_part_cursor_set(edit_data *ed, const char *group_name, const char *part_name);
+void edit_auto_save_timer_apply(edit_data *ed);
+void edit_auto_save_timer_cancel(edit_data *ed);
 
 #endif