elementary/naviframe - fixed internal memory leaks
[framework/uifw/elementary.git] / src / lib / elc_naviframe.c
index cb04706..32eb26b 100644 (file)
@@ -10,6 +10,7 @@ struct _Widget_Data
 {
    Eina_List    *stack;
    Evas_Object  *base;
+   Evas_Object  *rect;
    Eina_Bool     preserve: 1;
    Eina_Bool     pass_events: 1;
 };
@@ -53,19 +54,25 @@ static const Evas_Smart_Cb_Description _signals[] = {
 
 static void _del_hook(Evas_Object *obj);
 static void _theme_hook(Evas_Object *obj);
+static void _emit_hook(Evas_Object *obj,
+                       const char *emission,
+                       const char *source);
 static void _disable_hook(Evas_Object *obj);
-static void _text_set_hook(Elm_Object_Item *it,
-                           const char *part,
-                           const char *label);
-static const char *_text_get_hook(const Elm_Object_Item *it,
-                                   const char *part);
-static void _content_set_hook(Elm_Object_Item *it,
-                              const char *part,
-                              Evas_Object *content);
-static Evas_Object *_content_get_hook(const Elm_Object_Item *it,
-                                      const char *part);
-static Evas_Object *_content_unset_hook(Elm_Object_Item *it,
-                                        const char *part);
+static void _item_text_set_hook(Elm_Object_Item *it,
+                                const char *part,
+                                const char *label);
+static const char *_item_text_get_hook(const Elm_Object_Item *it,
+                                       const char *part);
+static void _item_content_set_hook(Elm_Object_Item *it,
+                                   const char *part,
+                                   Evas_Object *content);
+static Evas_Object *_item_content_get_hook(const Elm_Object_Item *it,
+                                           const char *part);
+static Evas_Object *_item_content_unset_hook(Elm_Object_Item *it,
+                                             const char *part);
+static void _item_signal_emit_hook(Elm_Object_Item *it,
+                                   const char *emission,
+                                   const char *source);
 static void _sizing_eval(Evas_Object *obj);
 static void _item_sizing_eval(Elm_Naviframe_Item *it);
 static void _move(void *data, Evas *e, Evas_Object *obj, void *event_info);
@@ -73,6 +80,7 @@ static void _resize(void *data,
                     Evas *e,
                     Evas_Object *obj,
                     void *event_info);
+static void _hide(void *data, Evas *e, Evas_Object *obj, void *event_info);
 static void _title_clicked(void *data, Evas_Object *obj,
                            const char *emission,
                            const char *source);
@@ -130,7 +138,7 @@ _del_hook(Evas_Object *obj)
    wd = elm_widget_data_get(obj);
    if (!wd) return;
 
-   EINA_LIST_FOREACH(wd->stack, list, it)
+   EINA_LIST_REVERSE_FOREACH(wd->stack, list, it)
      _item_del(it);
    eina_list_free(wd->stack);
    free(wd);
@@ -142,6 +150,18 @@ _theme_hook(Evas_Object *obj __UNUSED__)
    //FIXME:
 }
 
+static void _emit_hook(Evas_Object *obj,
+                       const char *emission,
+                       const char *source)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   edje_object_signal_emit(wd->base, emission, source);
+}
+
 static void
 _disable_hook(Evas_Object *obj __UNUSED__)
 {
@@ -149,7 +169,9 @@ _disable_hook(Evas_Object *obj __UNUSED__)
 }
 
 static void
-_text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
+_item_text_set_hook(Elm_Object_Item *it,
+                    const char *part,
+                    const char *label)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 
@@ -164,24 +186,15 @@ _text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
      snprintf(buf, sizeof(buf), "%s", part);
 
    EINA_LIST_FOREACH(navi_it->text_list, l, pair)
-     {
-        if (!strcmp(buf, pair->part))
-          {
-             if (pair->text)
-               {
-                  if (!strcmp(pair->text, label))
-                    return;
-               }
-             break;
-          }
-     }
+     if (!strcmp(buf, pair->part)) break;
 
    if (!pair)
      {
         pair = ELM_NEW(Elm_Naviframe_Text_Item_Pair);
         if (!pair)
           {
-             ERR("Failed to allocate new text part of the item! : naviframe=%p", navi_it->base.widget);
+             ERR("Failed to allocate new text part of the item! : naviframe=%p",
+             navi_it->base.widget);
              return;
           }
         eina_stringshare_replace(&pair->part, buf);
@@ -191,18 +204,22 @@ _text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
    eina_stringshare_replace(&pair->text, label);
    edje_object_part_text_set(navi_it->base.view, buf, label);
 
-   snprintf(buf, sizeof(buf), "elm,state,%s,show", buf);
-
    if (label)
-     edje_object_signal_emit(navi_it->base.view, buf, "elm");
+     {
+        snprintf(buf, sizeof(buf), "elm,state,%s,show", buf);
+        edje_object_signal_emit(navi_it->base.view, buf, "elm");
+     }
    else
-     edje_object_signal_emit(navi_it->base.view, buf, "elm");
+     {
+        snprintf(buf, sizeof(buf), "elm,state,%s,hide", buf);
+        edje_object_signal_emit(navi_it->base.view, buf, "elm");
+     }
 
    _item_sizing_eval(navi_it);
 }
 
 static const char *
-_text_get_hook(const Elm_Object_Item *it, const char *part)
+_item_text_get_hook(const Elm_Object_Item *it, const char *part)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
    Eina_List *l = NULL;
@@ -224,9 +241,9 @@ _text_get_hook(const Elm_Object_Item *it, const char *part)
 }
 
 static void
-_content_set_hook(Elm_Object_Item *it,
-                  const char *part,
-                  Evas_Object *content)
+_item_content_set_hook(Elm_Object_Item *it,
+                       const char *part,
+                       Evas_Object *content)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 
@@ -236,29 +253,26 @@ _content_set_hook(Elm_Object_Item *it,
    //specified parts
    if ((!part) || (!strcmp(part, "elm.swallow.content")))
      {
-       _item_content_set(navi_it, content);
-       return;
+        _item_content_set(navi_it, content);
+        return;
      }
    else if (!strcmp(part, "elm.swallow.prev_btn"))
      {
-       _title_prev_btn_set(navi_it, content, EINA_FALSE);
-       return;
+        _title_prev_btn_set(navi_it, content, EINA_FALSE);
+        return;
      }
    else if(!strcmp(part, "elm.swallow.next_btn"))
      {
-       _title_next_btn_set(navi_it, content);
-       return;
+        _title_next_btn_set(navi_it, content);
+        return;
      }
 
    //common part
    _title_content_set(navi_it, pair, part, content);
 }
 
-/*
-   */
 static Evas_Object *
-_content_get_hook(const Elm_Object_Item *it,
-                  const char *part)
+_item_content_get_hook(const Elm_Object_Item *it, const char *part)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
    Eina_List *l = NULL;
@@ -283,8 +297,7 @@ _content_get_hook(const Elm_Object_Item *it,
 }
 
 static Evas_Object *
-_content_unset_hook(Elm_Object_Item *it __UNUSED__,
-                    const char *part __UNUSED__)
+_item_content_unset_hook(Elm_Object_Item *it, const char *part)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
    Eina_List *l = NULL;
@@ -293,8 +306,8 @@ _content_unset_hook(Elm_Object_Item *it __UNUSED__,
    Evas_Object *content = NULL;
    char buf[1028];
 
-  //specified parts
-  //FIXME: could be unset the below specified contents also.
+   //specified parts
+   //FIXME: could be unset the below specified contents also.
    if (!part ||
        !strcmp(part, "elm.swallow.content") ||
        !strcmp(part, "elm.swallow.prev_btn") ||
@@ -305,7 +318,7 @@ _content_unset_hook(Elm_Object_Item *it __UNUSED__,
         return NULL;
      }
 
-  //common parts
+   //common parts
    EINA_LIST_FOREACH(navi_it->content_list, l, pair)
      {
         if (!strcmp(part, pair->part))
@@ -334,6 +347,16 @@ _content_unset_hook(Elm_Object_Item *it __UNUSED__,
 }
 
 static void
+_item_signal_emit_hook(Elm_Object_Item *it,
+                       const char *emission,
+                       const char *source)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
+   Elm_Naviframe_Item *navi_it = ELM_CAST(it);
+   edje_object_signal_emit(navi_it->base.view, emission, source);
+}
+
+static void
 _sizing_eval(Evas_Object *obj)
 {
    Widget_Data *wd;
@@ -370,6 +393,13 @@ _move(void *data __UNUSED__,
       Evas_Object *obj,
       void *event_info __UNUSED__)
 {
+   Evas_Coord x, y;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   evas_object_geometry_get(obj, &x, &y, NULL, NULL);
+   evas_object_move(wd->rect, x, y);
+
    _sizing_eval(obj);
 }
 
@@ -379,10 +409,29 @@ _resize(void *data __UNUSED__,
         Evas_Object *obj,
         void *event_info __UNUSED__)
 {
+   Evas_Coord w, h;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   evas_object_geometry_get(obj, NULL, NULL, &w, &h);
+   evas_object_resize(wd->rect, w, h);
+
    _sizing_eval(obj);
 }
 
 static void
+_hide(void *data __UNUSED__,
+      Evas *e __UNUSED__,
+      Evas_Object *obj,
+      void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->pass_events)
+     evas_object_hide(wd->rect);
+}
+
+static void
 _title_clicked(void *data,
                Evas_Object *obj __UNUSED__,
                const char *emission __UNUSED__,
@@ -471,13 +520,7 @@ _title_content_set(Elm_Naviframe_Item *it,
    char buf[1024];
 
    EINA_LIST_FOREACH(it->content_list, l, pair)
-     {
-        if (!strcmp(part, pair->part))
-          {
-             if (pair->content == content) return;
-             break;
-          }
-     }
+     if (!strcmp(part, pair->part)) break;
 
    if (!pair)
      {
@@ -492,29 +535,38 @@ _title_content_set(Elm_Naviframe_Item *it,
         it->content_list = eina_list_append(it->content_list, pair);
      }
 
-   if (pair->content) evas_object_del(pair->content);
-   pair->content = content;
+   if ((pair->content) && (pair->content != content))
+     evas_object_del(pair->content);
 
    if (!content)
      {
         snprintf(buf, sizeof(buf), "elm,state,%s,hide", part);
         edje_object_signal_emit(it->base.view, buf, "elm");
+        pair->content = NULL;
         return;
      }
 
-   elm_widget_sub_object_add(it->base.widget, content);
+   if (pair->content != content)
+     {
+        elm_widget_sub_object_add(it->base.widget, content);
+        evas_object_event_callback_add(content,
+                                       EVAS_CALLBACK_DEL,
+                                       _title_content_del,
+                                       pair);
+     }
+
+   pair->content = content;
+
    edje_object_part_swallow(it->base.view, part, content);
    snprintf(buf, sizeof(buf), "elm,state,%s,show", part);
    edje_object_signal_emit(it->base.view, buf, "elm");
-   evas_object_event_callback_add(content,
-                                  EVAS_CALLBACK_DEL,
-                                  _title_content_del,
-                                  pair);
    _item_sizing_eval(it);
 }
 
 static void
-_title_prev_btn_set(Elm_Naviframe_Item *it, Evas_Object *btn, Eina_Bool back_btn)
+_title_prev_btn_set(Elm_Naviframe_Item *it,
+                    Evas_Object *btn,
+                    Eina_Bool back_btn)
 {
    if (it->title_prev_btn == btn) return;
 
@@ -575,26 +627,30 @@ _item_del(Elm_Naviframe_Item *it)
      evas_object_del(it->title_prev_btn);
    if (it->title_next_btn)
      evas_object_del(it->title_next_btn);
-      if ((it->content) && (!wd->preserve))
+   if ((it->content) && (!wd->preserve))
      evas_object_del(it->content);
 
    EINA_LIST_FOREACH(it->content_list, l, content_pair)
-     evas_object_del(content_pair->content);
+     {
+        evas_object_event_callback_del(content_pair->content, EVAS_CALLBACK_DEL, _title_content_del);
+        evas_object_del(content_pair->content);
+        eina_stringshare_del(content_pair->part);
+        free(content_pair);
+     }
 
    EINA_LIST_FOREACH(it->text_list, l, text_pair)
      {
         eina_stringshare_del(text_pair->part);
         eina_stringshare_del(text_pair->text);
+        free(text_pair);
      }
 
    eina_list_free(it->content_list);
    eina_list_free(it->text_list);
 
-   evas_object_del(it->base.view);
-
    wd->stack = eina_list_remove(wd->stack, it);
 
-   free(it);
+   elm_widget_item_del(it);
 }
 
 static void
@@ -635,7 +691,11 @@ _show_finished(void *data,
                                    SIG_TRANSITION_FINISHED,
                                    (void *) EINA_TRUE);
    if (wd->pass_events)
-     evas_object_pass_events_set(wd->base, EINA_FALSE);
+     {
+        evas_object_hide(wd->rect);
+        //FIXME:
+        evas_object_pass_events_set(wd->base, EINA_FALSE);
+     }
 }
 
 static void
@@ -644,7 +704,9 @@ _item_content_set(Elm_Naviframe_Item *navi_it, Evas_Object *content)
    if (navi_it->content == content) return;
    if (navi_it->content) evas_object_del(navi_it->content);
    elm_widget_sub_object_add(navi_it->base.widget, content);
-   edje_object_part_swallow(navi_it->base.view, "elm.swallow.content", content);
+   edje_object_part_swallow(navi_it->base.view,
+                            "elm.swallow.content",
+                            content);
    if (content)
      edje_object_signal_emit(navi_it->base.view,
                              "elm,state,content,show",
@@ -676,14 +738,21 @@ elm_naviframe_add(Evas_Object *parent)
    elm_widget_del_hook_set(obj, _del_hook);
    elm_widget_disable_hook_set(obj, _disable_hook);
    elm_widget_theme_hook_set(obj, _theme_hook);
+   elm_widget_signal_emit_hook_set(obj, _emit_hook);
 
    //base
    wd->base = edje_object_add(e);
    elm_widget_resize_object_set(obj, wd->base);
    _elm_theme_object_set(obj, wd->base, "naviframe", "base", "default");
 
+   //rect:
+   wd->rect = evas_object_rectangle_add(e);
+   evas_object_color_set(wd->rect, 0, 0, 0, 0);
+   elm_widget_sub_object_add(obj, wd->rect);
+
    evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE, _move, obj);
    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, obj);
+   evas_object_event_callback_add(obj, EVAS_CALLBACK_HIDE, _hide, obj);
    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 
    wd->pass_events = EINA_TRUE;
@@ -692,7 +761,12 @@ elm_naviframe_add(Evas_Object *parent)
 }
 
 EAPI Elm_Object_Item *
-elm_naviframe_item_push(Evas_Object *obj, const char *title_label, Evas_Object *prev_btn, Evas_Object *next_btn, Evas_Object *content, const char *item_style)
+elm_naviframe_item_push(Evas_Object *obj,
+                        const char *title_label,
+                        Evas_Object *prev_btn,
+                        Evas_Object *next_btn,
+                        Evas_Object *content,
+                        const char *item_style)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
    Widget_Data *wd;
@@ -709,11 +783,12 @@ elm_naviframe_item_push(Evas_Object *obj, const char *title_label, Evas_Object *
         return NULL;
      }
 
-   elm_widget_item_text_set_hook_set(it, _text_set_hook);
-   elm_widget_item_text_get_hook_set(it, _text_get_hook);
-   elm_widget_item_content_set_hook_set(it, _content_set_hook);
-   elm_widget_item_content_get_hook_set(it, _content_get_hook);
-   elm_widget_item_content_unset_hook_set(it, _content_unset_hook);
+   elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
+   elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
+   elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
+   elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
+   elm_widget_item_content_unset_hook_set(it, _item_content_unset_hook);
+   elm_widget_item_signal_emit_hook_set(it, _item_signal_emit_hook);
 
    //item base layout
    it->base.view = edje_object_add(evas_object_evas_get(obj));
@@ -731,15 +806,14 @@ elm_naviframe_item_push(Evas_Object *obj, const char *title_label, Evas_Object *
                                    "elm,action,popped,finished",
                                    "",
                                    _popped_finished, it);
-   elm_naviframe_item_style_set(ELM_CAST(it), item_style);
-
-   //title
    edje_object_signal_callback_add(it->base.view,
-                                   "elm,title,clicked",
-                                   "elm",
+                                   "elm,action,title,clicked",
+                                   "",
                                    _title_clicked, it);
 
-   _text_set_hook(ELM_CAST(it), "elm.text.title", title_label);
+   elm_naviframe_item_style_set(ELM_CAST(it), item_style);
+
+   _item_text_set_hook(ELM_CAST(it), "elm.text.title", title_label);
 
    //title buttons
    if ((!prev_btn) && (eina_list_count(wd->stack)))
@@ -761,7 +835,11 @@ elm_naviframe_item_push(Evas_Object *obj, const char *title_label, Evas_Object *
    if (prev_it)
      {
         if (wd->pass_events)
-          evas_object_pass_events_set(wd->base, EINA_TRUE);
+          {
+             evas_object_show(wd->rect);
+             //FIXME:
+             evas_object_pass_events_set(wd->base, EINA_TRUE);
+          }
         edje_object_signal_emit(prev_it->base.view,
                                 "elm,state,pushed",
                                 "elm");
@@ -798,13 +876,17 @@ elm_naviframe_item_pop(Evas_Object *obj)
    if (prev_it)
      {
         if (wd->pass_events)
-          evas_object_pass_events_set(wd->base, EINA_TRUE);
+          {
+             evas_object_show(wd->rect);
+             //FIXME:
+             evas_object_pass_events_set(wd->base, EINA_TRUE);
+          }
+        edje_object_signal_emit(it->base.view, "elm,state,popped", "elm");
         evas_object_show(prev_it->base.view);
         evas_object_raise(prev_it->base.view);
         edje_object_signal_emit(prev_it->base.view,
                                 "elm,state,show",
                                 "elm");
-        edje_object_signal_emit(it->base.view, "elm,state,popped", "elm");
      }
    else
      _item_del(it);
@@ -813,6 +895,29 @@ elm_naviframe_item_pop(Evas_Object *obj)
 }
 
 EAPI void
+elm_naviframe_item_pop_to(Elm_Object_Item *it)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
+   Elm_Naviframe_Item *navi_it = ELM_CAST(it);
+   Widget_Data *wd = elm_widget_data_get(navi_it->base.widget);
+   Eina_List *l, *prev_l;
+
+   if (it == elm_naviframe_top_item_get(navi_it->base.widget)) return;
+
+   l = eina_list_last(wd->stack)->prev;
+
+   while(l)
+     {
+        if (l->data == it) break;
+        prev_l = l->prev;
+        _item_del(l->data);
+        wd->stack = eina_list_remove(wd->stack, l);
+        l = prev_l;
+     }
+   elm_naviframe_item_pop(navi_it->base.widget);
+}
+
+EAPI void
 elm_naviframe_content_preserve_on_pop_set(Evas_Object *obj, Eina_Bool preserve)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
@@ -853,6 +958,9 @@ elm_naviframe_item_style_set(Elm_Object_Item *it, const char *item_style)
 {
    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
+   Eina_List *l;
+   Elm_Naviframe_Content_Item_Pair *content_pair;
+   Elm_Naviframe_Text_Item_Pair *text_pair;
 
    char buf[256];
 
@@ -860,7 +968,8 @@ elm_naviframe_item_style_set(Elm_Object_Item *it, const char *item_style)
    else
      {
         if (strlen(item_style) > sizeof(buf))
-          WRN("too much long style name! : naviframe=%p", navi_it->base.widget);
+          WRN("too much long style name! : naviframe=%p",
+              navi_it->base.widget);
         else
           sprintf(buf, "item/%s", item_style);
      }
@@ -869,6 +978,38 @@ elm_naviframe_item_style_set(Elm_Object_Item *it, const char *item_style)
                          "naviframe",
                          buf,
                          elm_widget_style_get(navi_it->base.widget));
+   //recover item
+   EINA_LIST_FOREACH(navi_it->text_list, l, text_pair)
+     _item_text_set_hook(it, text_pair->part, text_pair->text);
+
+   EINA_LIST_FOREACH(navi_it->content_list, l, content_pair)
+     _item_content_set_hook(it, content_pair->part, content_pair->content);
+
+   //content
+   if (navi_it->content)
+     {
+        edje_object_part_swallow(navi_it->base.view,
+                                 "elm.swallow.content",
+                                 navi_it->content);
+        edje_object_signal_emit(navi_it->base.view,
+                                "elm,state,content,show",
+                                "elm");
+     }
+
+   //prev button
+   if (navi_it->title_prev_btn)
+     edje_object_part_swallow(navi_it->base.view,
+                              "elm.swallow.prev_btn",
+                              navi_it->title_prev_btn);
+
+   //next button
+   if (navi_it->title_next_btn)
+     edje_object_part_swallow(navi_it->base.view,
+                              "elm.swallow.next_btn",
+                              navi_it->title_next_btn);
+
+   navi_it->title_visible = EINA_TRUE;
+   _item_sizing_eval(navi_it);
 }
 
 EAPI const char *