[edje][text marquee] enhancement

(1) assign NULL to animator variable, if the animator is not necessary any more.
(2) stop text marquee at start point.
(3) do not marquee, if the text is shorter than its view port.

Change-Id: Id13e762e2a2622dbe543d3f60ab49e6d250a6141

diff --git a/src/lib/edje/edje_calc.c b/src/lib/edje/edje_calc.c
index 6e4e620c2158fdde1465401ccc3983bffc4dd385..038547b48b8ab689b15d86166c873e7eca4baa05 100644 (file)
--- a/src/lib/edje/edje_calc.c
+++ b/src/lib/edje/edje_calc.c
@@ -4113,6 +4113,37 @@ _edje_fade_ellipsis_apply(Edje *ed, Edje_Real_Part *ep,
 }
 /* END */
 //TIZEN_ONLY(20160923): introduction of text marquee
+static void
+_text_marquee_clipper_update(Edje_Real_Part *ep, Eina_Bool del_clipper)
+{
+   Evas_Object *prev_clipper;
+   Evas_Coord_Rectangle text_cur_area;
+
+   prev_clipper = evas_object_clip_get(ep->text_marquee_clipper);
+   if (!del_clipper)
+     {
+        /* reset marquee clipper changed in _edje_part_recalc */
+        if (prev_clipper && prev_clipper != ep->text_marquee_clipper)
+          {
+             evas_object_clip_set(ep->text_marquee_clipper, prev_clipper);
+             evas_object_clip_set(ep->object, ep->text_marquee_clipper);
+          }
+
+        evas_object_geometry_get(ep->object, &text_cur_area.x, &text_cur_area.y,
+                                             &text_cur_area.w, &text_cur_area.h);
+        evas_object_move(ep->text_marquee_clipper, text_cur_area.x - ep->typedata.text->offset.x,
+                                                   text_cur_area.y - ep->typedata.text->offset.y);
+        evas_object_resize(ep->text_marquee_clipper, ep->w, ep->h);
+     }
+   else
+     {
+        evas_object_del(ep->text_marquee_clipper);
+        ep->text_marquee_clipper = NULL;
+
+        if (prev_clipper) evas_object_clip_set(ep->object, prev_clipper);
+     }
+}
+
 static Eina_Bool
 _text_object_marquee_animator(void *data)
 {
@@ -4131,6 +4162,16 @@ _text_object_marquee_animator(void *data)
    evas_object_geometry_get(ep->object, &text_cur_area.x, &text_cur_area.y,
                                         &text_cur_area.w, &text_cur_area.h);
 
+   if (text_cur_area.w <= ep->w)
+     {
+        /* text marquee will not work */
+        if (ep->text_marquee_clipper)
+          _text_marquee_clipper_update(ep, EINA_TRUE);
+
+        ep->text_marquee_animator = NULL;
+        return ECORE_CALLBACK_CANCEL;
+     }
+
    if (!ep->text_marquee_clipper)
      {
         ep->text_marquee_clipper = evas_object_rectangle_add(evas_object_evas_get(ep->object));
@@ -4159,7 +4200,6 @@ _text_object_marquee_animator(void *data)
        elapsed_time -= default_time;
        move_length++;
     }
-
    ep->text_marquee_prev_time = cur_time - elapsed_time;
    if (ep->text_marquee_to_left)
      {
@@ -4190,14 +4230,21 @@ _text_object_marquee_animator(void *data)
           }
      }
 
-   /* reset text to start point */
+   /* check condition to stop marquee animator */
    if (chosen_desc->text.ellipsize.marquee_repeat_limit ==
        chosen_desc->text.ellipsize.marquee_repeat_count)
     {
-       evas_object_move(ep->object,
-                        chosen_desc->text.ellipsize.marquee_start_point.x,
-                        chosen_desc->text.ellipsize.marquee_start_point.y);
-       return ECORE_CALLBACK_CANCEL;
+       if ((ep->text_marquee_to_left &&
+            text_cur_area.x <= chosen_desc->text.ellipsize.marquee_start_point.x) ||
+           (!ep->text_marquee_to_left &&
+            text_cur_area.x >= chosen_desc->text.ellipsize.marquee_start_point.x))
+         {
+            evas_object_move(ep->object,
+                             chosen_desc->text.ellipsize.marquee_start_point.x,
+                             chosen_desc->text.ellipsize.marquee_start_point.y);
+            ep->text_marquee_animator = NULL;
+            return ECORE_CALLBACK_CANCEL;
+         }
     }
 
    evas_object_move(ep->object, text_cur_area.x, text_cur_area.y);
@@ -4254,37 +4301,6 @@ _text_marquee_job(void *data)
    ep->text_marquee_job = NULL;
 }
 
-static void
-_text_marquee_clipper_update(Edje_Real_Part *ep, Eina_Bool del_clipper)
-{
-   Evas_Object *prev_clipper;
-   Evas_Coord_Rectangle text_cur_area;
-
-   prev_clipper = evas_object_clip_get(ep->text_marquee_clipper);
-   if (!del_clipper)
-     {
-        /* reset marquee clipper changed in _edje_part_recalc */
-        if (prev_clipper && prev_clipper != ep->text_marquee_clipper)
-          {
-             evas_object_clip_set(ep->text_marquee_clipper, prev_clipper);
-             evas_object_clip_set(ep->object, ep->text_marquee_clipper);
-          }
-
-        evas_object_geometry_get(ep->object, &text_cur_area.x, &text_cur_area.y,
-                                             &text_cur_area.w, &text_cur_area.h);
-        evas_object_move(ep->text_marquee_clipper, text_cur_area.x - ep->typedata.text->offset.x,
-                                                   text_cur_area.y - ep->typedata.text->offset.y);
-        evas_object_resize(ep->text_marquee_clipper, ep->w, ep->h);
-     }
-   else
-     {
-        evas_object_del(ep->text_marquee_clipper);
-        ep->text_marquee_clipper = NULL;
-
-        if (prev_clipper) evas_object_clip_set(ep->object, prev_clipper);
-     }
-}
-
 static void
 _text_object_del_cb(void *data, EINA_UNUSED Evas *e, EINA_UNUSED Evas_Object *obj, EINA_UNUSED void *event_info)
 {
@@ -4326,10 +4342,12 @@ _edje_text_marquee_apply(Edje *ed EINA_UNUSED, Edje_Real_Part *ep,
      {
         ecore_animator_del(ep->text_marquee_animator);
         ep->text_marquee_animator = NULL;
-        /* in case of marquee mode, do not remove existing clipper */
-        _text_marquee_clipper_update(ep, !is_marquee_on);
      }
 
+   /* in case of marquee mode, do not remove existing clipper */
+   if (ep->text_marquee_clipper)
+     _text_marquee_clipper_update(ep, !is_marquee_on);
+
    if (is_marquee_on)
      {
         ep->text_marquee_job = ecore_job_add(_text_marquee_job, ep);