From bd1ed51ead2a425025d3c3c7af0d8eb89522be32 Mon Sep 17 00:00:00 2001
From: Nicolas Aguirre <aguirre.nicolas@gmail.com>
Date: Mon, 13 Sep 2010 17:02:32 +0000
Subject: [PATCH] Add a callback when a new directory is selected :
 "directory,changed".

SVN revision: 52193
---
 src/bin/ephoto.h               |  2 ++
 src/bin/ephoto_main.c          | 24 ++++++++++++++++++++++--
 src/bin/ephoto_thumb_browser.c |  2 ++
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/bin/ephoto.h b/src/bin/ephoto.h
index c10aad0..32a453c 100644
--- a/src/bin/ephoto.h
+++ b/src/bin/ephoto.h
@@ -44,6 +44,7 @@ Evas_Object *ephoto_create_thumb_browser(Evas_Object *parent, const char *direct
 void ephoto_populate_thumbnails(Evas_Object *obj);
 /* smart callbacks called:
  * "selected" - an item in the thumb browser is selected. The selected file is passed as event_info argument.
+ * "directory,changed" - the user selected a new directory. The selected directory is passed as event_info argument.
  */
 
 typedef enum _Ephoto_State Ephoto_State;
@@ -68,6 +69,7 @@ struct _Ephoto
 	Evas_Object *thumb_browser;
 	Eina_List   *images;
         Ephoto_State state;
+        const char *cur_directory;
 };
 typedef struct _Ephoto Ephoto;
 
diff --git a/src/bin/ephoto_main.c b/src/bin/ephoto_main.c
index 2d4d41b..7755365 100644
--- a/src/bin/ephoto_main.c
+++ b/src/bin/ephoto_main.c
@@ -7,17 +7,21 @@ Ephoto *em;
 static void _ephoto_delete_main_window(void *data, Evas_Object *obj, void *event_info);
 static void _ephoto_flow_browser_delete_cb(void *data, Evas_Object *obj, void *event_info);
 static void _ephoto_thumb_browser_selected_cb(void *data, Evas_Object *obj, void *event_info);
-
+static void _ephoto_thumb_browser_directory_changed_cb(void *data, Evas_Object *obj, void *event_info);
 /* Objects Callbacks */
 static void 
 _ephoto_flow_browser_delete_cb(void *data, Evas_Object *obj, void *event_info)
 {
-  em->thumb_browser = ephoto_create_thumb_browser(em->layout, NULL/*ecore_file_dir_get(ef->cur_image)*/);
+  em->thumb_browser = ephoto_create_thumb_browser(em->layout, em->cur_directory);
   elm_layout_content_set(em->layout, "ephoto.content.swallow", em->thumb_browser);
   evas_object_smart_callback_add(em->thumb_browser, 
 				 "selected",
 				 _ephoto_thumb_browser_selected_cb,
 				 NULL);
+ evas_object_smart_callback_add(em->thumb_browser, 
+				 "directory,changed",
+				 _ephoto_thumb_browser_directory_changed_cb,
+				 NULL);
 
   em->state = EPHOTO_STATE_THUMB;
 }
@@ -37,6 +41,16 @@ _ephoto_thumb_browser_selected_cb(void *data, Evas_Object *obj, void *event_info
   em->state = EPHOTO_STATE_FLOW;
 }
 
+static void 
+_ephoto_thumb_browser_directory_changed_cb(void *data, Evas_Object *obj, void *event_info)
+{
+  const char *dir = event_info;
+
+  eina_stringshare_del(em->cur_directory);
+  em->cur_directory = eina_stringshare_add(dir);
+  printf("Directory changed : %s\n", em->cur_directory);
+}
+
 /*Create the main ephoto window*/
 void 
 ephoto_create_main_window(const char *directory, const char *image)
@@ -77,6 +91,7 @@ ephoto_create_main_window(const char *directory, const char *image)
 	{
                 em->flow_browser = ephoto_create_flow_browser(em->layout);
 		ephoto_flow_browser_image_set(em->flow_browser, image);
+		em->cur_directory = eina_stringshare_add(ecore_file_dir_get(image));
 		eina_stringshare_del(image);	
 		elm_layout_content_set(em->layout, "ephoto.content.swallow", em->flow_browser);
 		evas_object_smart_callback_add(em->flow_browser, 
@@ -88,12 +103,17 @@ ephoto_create_main_window(const char *directory, const char *image)
 	else
         {
                 em->thumb_browser =  ephoto_create_thumb_browser(em->layout, directory);
+		em->cur_directory = eina_stringshare_add(directory);
 		evas_object_show(em->thumb_browser);
 		elm_layout_content_set(em->layout, "ephoto.content.swallow", em->thumb_browser);
 		evas_object_smart_callback_add(em->thumb_browser, 
 					       "selected",
 					       _ephoto_thumb_browser_selected_cb,
 					       NULL);
+		evas_object_smart_callback_add(em->thumb_browser, 
+					       "directory,changed",
+					       _ephoto_thumb_browser_directory_changed_cb,
+					       NULL);
 		em->state = EPHOTO_STATE_THUMB;
 	}
 
diff --git a/src/bin/ephoto_thumb_browser.c b/src/bin/ephoto_thumb_browser.c
index 71d868b..5d5cc2c 100644
--- a/src/bin/ephoto_thumb_browser.c
+++ b/src/bin/ephoto_thumb_browser.c
@@ -455,6 +455,8 @@ _ephoto_directory_chosen(void *data, Evas_Object *obj, void *event_info)
 			elm_win_title_set(em->win, "Ephoto");
 		}
 	}
+	printf("before callback\n");
+	evas_object_smart_callback_call(tb->layout, "directory,changed", tb->current_directory);
 
 	evas_object_del(tb->fsel_win);
 	elm_toolbar_item_unselect_all(tb->toolbar);