From a8b15a1d13d0df2df4d7c40d8877b9cbfc65e4a2 Mon Sep 17 00:00:00 2001
From: JunsuChoi <jsuya.choi@samsung.com>
Date: Tue, 24 Mar 2020 21:08:17 +0900
Subject: [PATCH] elm_transit: Prevent adding duplicates

Summary:
When repeating call elm_transit_object_add,
prevent the object from being added duplicates.

Test Plan: N/A

Reviewers: Hermet, herb, kimcinoo

Reviewed By: Hermet

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D11563
---
 src/lib/elementary/elm_transit.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib/elementary/elm_transit.c b/src/lib/elementary/elm_transit.c
index 14785eaa62..a7b829c6dc 100644
--- a/src/lib/elementary/elm_transit.c
+++ b/src/lib/elementary/elm_transit.c
@@ -652,6 +652,13 @@ elm_transit_object_add(Elm_Transit *transit, Evas_Object *obj)
    ELM_TRANSIT_CHECK_OR_RETURN(transit);
    EINA_SAFETY_ON_NULL_RETURN(obj);
 
+   // Prevent adding duplicates
+   if (eina_list_data_find_list(transit->objs, obj))
+     {
+        WRN("Object(%p) is already added", obj);
+        return;
+     }
+
    if (transit->animator)
      {
         if (!evas_object_data_get(obj, _transit_key))