[elm_panel] Fix mirroring issue.

Summary:
Issue: Mirroring of elm_panel not working correctly.
Solution: Handle mirroring appropriately for animations.

@fix

Test Plan:
Case: 1
1. Open elementary_test
2. Mirror on
3. Open scrollable panel, click on toggle button.
Case: 2
1. Keep the scroller panel opened
2. Turn off Mirror
Case: 3
1. Turn on mirror
2. Check direction button in non-scrollable panel.

Reviewers: shilpasingh, raster, Hermet, Princekrdubey

Reviewed By: shilpasingh

Subscribers: poornima.srinivasan, subodh6129

Differential Revision: https://phab.enlightenment.org/D2237

4 files changed, 229 insertions, 64 deletions

diff --git a/AUTHORS b/AUTHORS
index 1e0a28ed2..4c6dc9a2d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -163,3 +163,4 @@ Vitalii Vorobiov <vi.vorobiov@samsung.com>
 Jee-Yong Um <conr2d@gmail.com>
 Ji-In Moon <jiin.moon@samsung.com> 
 Subodh Kumar <s7158.kumar@samsung.com>
+Kumar Navneet <k.navneet@samsung.com>
diff --git a/data/themes/edc/elm/panel.edc b/data/themes/edc/elm/panel.edc
index 7a99dbb73..ad3bb5e9a 100644
--- a/data/themes/edc/elm/panel.edc
+++ b/data/themes/edc/elm/panel.edc
@@ -391,6 +391,9 @@ group { name: "elm/panel/left/default";
    images.image: "icon_arrow_up.png" COMP;
    images.image: "icon_arrow_down.png" COMP;
    data.item: "focus_highlight" "on";
+   script {
+      public is_rtl = 0;
+   }
    parts {
       part { name: "shadow"; mouse_events: 0;
          description { state: "default" 0.0;
@@ -487,6 +490,10 @@ group { name: "elm/panel/left/default";
             rel2.to: "elm.swallow.event";
             color: 0 0 0 0;
          }
+         description { state: "hidden" 0.0;
+            rel1.to: "elm.swallow.event";
+            rel2.to: "elm.swallow.event";
+         }
       }
       part { name: "dots"; mouse_events: 0;
          description { state: "default" 0.0;
@@ -524,24 +531,78 @@ group { name: "elm/panel/left/default";
          transition: DECELERATE 0.3;
          target: "elm.swallow.event";
          target: "base";
-         target: "icn";
+      }
+      program {
+         signal: "elm,action,show"; source: "elm";
+         script {
+            if (get_int(is_rtl) == 0)
+              set_state(PART:"icn", "default", 0.0);
+            else
+              set_state(PART:"icn", "hidden", 0.0);
+         }
+      }
+      program {
+         signal: "edje,state,rtl"; 
+         source: "edje";
+         script {
+            new st[31];
+            new Float:vl;
+            get_state(PART:"elm.swallow.event", st, 30, vl);
+            if (!strcmp(st, "default"))
+              set_state(PART:"icn", "hidden", 0.0);
+            else
+              set_state(PART:"icn", "default", 0.0);
+            set_int(is_rtl, 1);
+         }
+      }
+      program {
+         signal: "edje,state,ltr"; 
+         source: "edje";
+         script {
+            new st[31];
+            new Float:vl;
+            get_state(PART:"elm.swallow.event", st, 30, vl);
+            if (!strcmp(st, "default"))
+              set_state(PART:"icn", "default", 0.0);
+            else
+              set_state(PART:"icn", "hidden", 0.0);
+            set_int(is_rtl, 0);
+         }
       }
       program {
          signal: "elm,action,hide"; source: "elm";
          action: STATE_SET "hidden" 0.0;
          transition: ACCELERATE 0.3;
          target: "elm.swallow.event";
-         target: "icn";
+      }
+      program {
+         signal: "elm,action,hide"; source: "elm";
+         script {
+            if (get_int(is_rtl) == 0)
+              set_state(PART:"icn", "hidden", 0.0);
+            else
+              set_state(PART:"icn", "default", 0.0);
+         }
       }
       program { name: "hide1";
          signal: "elm,action,hide"; source: "elm";
          script {
             new x, y, w, h;
-            
-            custom_state(PART:"base", "default", 0.0);
-            set_state_val(PART:"base", STATE_REL1, -1.0, 0.0);
-            get_geometry(PART:"elm.swallow.event", x, y, w, h);
-            set_state_val(PART:"base", STATE_REL1_OFFSET, w, 0);
+            if (get_int(is_rtl) == 0)
+              {
+                 custom_state(PART:"base", "default", 0.0);
+                 set_state_val(PART:"base", STATE_REL1, -1.0, 0.0);
+                 get_geometry(PART:"elm.swallow.event", x, y, w, h);
+                 set_state_val(PART:"base", STATE_REL1_OFFSET, w, 0);
+               }
+            else
+              {
+                 custom_state(PART:"base", "default", 0.0);
+                 set_state_val(PART:"base", STATE_REL1, -1.0, 0.0);
+                 set_state_val(PART:"base", STATE_REL2, -2.0, 1.0);
+                 get_geometry(PART:"elm.swallow.event", x, y, w, h);
+                 set_state_val(PART:"base", STATE_REL2_OFFSET, -w, 0);
+              }
          }
          after: "hide2";
       }
@@ -608,7 +669,7 @@ group { name: "elm/panel/right/default";
       program { name: "hide1";
          script {
             new x, y, w, h;
-            
+    
             custom_state(PART:"base", "default", 0.0);
             set_state_val(PART:"base", STATE_REL1, 1.0, 0.0);
             set_state_val(PART:"base", STATE_REL2, 2.0, 1.0);
@@ -674,11 +735,47 @@ group { name: "elm/panel/top/default";
             set_state_val(PART:"base", STATE_REL1_OFFSET, 0, h);
          }
       }
+      program {
+         signal: "elm,action,show"; source: "elm";
+         action: STATE_SET "default" 0.0;
+         target: "icn";
+      }
+      program {
+         signal: "edje,state,rtl"; 
+         source: "edje";
+         script {
+            new st[31];
+            new Float:vl;
+            get_state(PART:"elm.swallow.event", st, 30, vl);
+            if (!strcmp(st, "default"))
+              set_state(PART:"icn", "default", 0.0);
+            else
+              set_state(PART:"icn", "hidden", 0.0);
+         }
+      }
+      program {
+         signal: "edje,state,ltr"; 
+         source: "edje";
+         script {
+            new st[31];
+            new Float:vl;
+            get_state(PART:"elm.swallow.event", st, 30, vl);
+            if (!strcmp(st, "default"))
+              set_state(PART:"icn", "default", 0.0);
+            else
+              set_state(PART:"icn", "hidden", 0.0);
+         }
+      }
+      program {
+         signal: "elm,action,hide"; source: "elm";
+         action: STATE_SET "hidden" 0.0;
+         target: "icn";
+      }
    }
 }
 
 group { name: "elm/panel/bottom/default";
-   inherit: "elm/panel/left/default";
+   inherit: "elm/panel/top/default";
    parts {
       part { name: "base";
          description { state: "default" 0.0;
@@ -724,7 +821,6 @@ group { name: "elm/panel/bottom/default";
       program { name: "hide1";
          script {
             new x, y, w, h;
-            
             custom_state(PART:"base", "default", 0.0);
             set_state_val(PART:"base", STATE_REL1, 0.0, 1.0);
             set_state_val(PART:"base", STATE_REL2, 1.0, 2.0);
diff --git a/src/lib/elm_authors.h b/src/lib/elm_authors.h
index f4cf2f9e8..6c2f99672 100644
--- a/src/lib/elm_authors.h
+++ b/src/lib/elm_authors.h
@@ -160,7 +160,8 @@
  * @author Jae Yong Hwang <j_yong.hwang@@samsung.com>
  * @author Kabeer Khan <kabeer.khan@@samsung.com>
  * @author yinsc <shouchen.yin@@samsung.com>
- * @author Subodh Kumar <s7158.kumar@samsung.com>
+ * @author Subodh Kumar <s7158.kumar@@samsung.com>
+ * @author Kumar Navneet <k.navneet@@samsung.com>
  *
  * Please contact <enlightenment-devel@lists.sourceforge.net> to get in
  * contact with the developers and maintainers.
diff --git a/src/lib/elm_panel.c b/src/lib/elm_panel.c
index 733386fa4..4847f2efd 100644
--- a/src/lib/elm_panel.c
+++ b/src/lib/elm_panel.c
@@ -27,8 +27,10 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
    {SIG_LAYOUT_UNFOCUSED, ""}, /**< handled by elm_layout */
    {NULL, NULL}
 };
-
+static void _panel_toggle(void *, Evas_Object *, const char *,const char *);
 static Eina_Bool _key_action_toggle(Evas_Object *obj, const char *params);
+static void _drawer_open(Evas_Object *, Evas_Coord , Evas_Coord , Eina_Bool );
+static void _drawer_close(Evas_Object *, Evas_Coord , Evas_Coord , Eina_Bool);
 
 static const Elm_Action key_actions[] = {
    {"toggle", _key_action_toggle},
@@ -142,33 +144,15 @@ _orient_set_do(Evas_Object *obj)
         break;
 
       case ELM_PANEL_ORIENT_LEFT:
-        if (!elm_widget_mirrored_get(obj))
-          {
-             if (!elm_layout_theme_set
-                   (obj, "panel", "left", elm_widget_style_get(obj)))
-               CRI("Failed to set layout!");
-          }
-        else
-          {
-             if (!elm_layout_theme_set
-                   (obj, "panel", "right", elm_widget_style_get(obj)))
-               CRI("Failed to set layout!");
-          }
+        if (!elm_layout_theme_set(obj, "panel", "left",
+                elm_widget_style_get(obj)))
+            CRI("Failed to set layout!");
         break;
 
       case ELM_PANEL_ORIENT_RIGHT:
-        if (!elm_widget_mirrored_get(obj))
-          {
-             if (!elm_layout_theme_set
-                   (obj, "panel", "right", elm_widget_style_get(obj)))
-               CRI("Failed to set layout!");
-          }
-        else
-          {
-             if (!elm_layout_theme_set
-                   (obj, "panel", "left", elm_widget_style_get(obj)))
-               CRI("Failed to set layout!");
-          }
+        if (!elm_layout_theme_set(obj, "panel", "right",
+                elm_widget_style_get(obj)))
+            CRI("Failed to set layout!");
         break;
      }
 
@@ -221,6 +205,7 @@ EOLIAN static Eina_Bool
 _elm_panel_elm_widget_theme_apply(Eo *obj, Elm_Panel_Data *sd)
 {
    const char *str;
+   int w, h;
    Evas_Coord minw = 0, minh = 0;
 
    Eina_Bool int_ret = EINA_FALSE;
@@ -238,7 +223,9 @@ _elm_panel_elm_widget_theme_apply(Eo *obj, Elm_Panel_Data *sd)
         elm_widget_theme_object_set(obj, sd->scr_edje, "scroller", "panel",
                                     elm_widget_style_get(obj));
         _scrollable_layout_theme_set(obj, sd);
-
+        evas_object_geometry_get(obj, NULL, NULL, &w, &h);
+        if (!sd->hidden) _drawer_open(obj, w, h, EINA_FALSE);
+        else _drawer_close(obj, w, h, EINA_FALSE);
         handler_size = edje_object_data_get(sd->scr_edje, "handler_size");
         if (handler_size)
           sd->handler_size = (int) (elm_object_scale_get(obj)) * (atoi(handler_size));
@@ -370,7 +357,7 @@ _drawer_open(Evas_Object *obj, Evas_Coord w, Evas_Coord h, Eina_Bool anim)
    if (sd->freeze)
      {
         eo_do(obj, elm_interface_scrollable_movement_block_set
-				(ELM_SCROLLER_MOVEMENT_NO_BLOCK));
+              (ELM_SCROLLER_MOVEMENT_NO_BLOCK));
         sd->freeze = EINA_FALSE;
         elm_layout_signal_emit(sd->scr_ly, "elm,state,content,visible", "elm");
      }
@@ -378,7 +365,10 @@ _drawer_open(Evas_Object *obj, Evas_Coord w, Evas_Coord h, Eina_Bool anim)
    switch (sd->orient)
      {
       case ELM_PANEL_ORIENT_TOP:
+         break;
       case ELM_PANEL_ORIENT_LEFT:
+         if (elm_widget_mirrored_get(obj))
+           x = w * sd->content_size_ratio;
          break;
 
       case ELM_PANEL_ORIENT_BOTTOM:
@@ -386,7 +376,8 @@ _drawer_open(Evas_Object *obj, Evas_Coord w, Evas_Coord h, Eina_Bool anim)
          break;
 
       case ELM_PANEL_ORIENT_RIGHT:
-         x = w * sd->content_size_ratio;
+         if (!elm_widget_mirrored_get(obj))
+           x = w * sd->content_size_ratio;
          break;
      }
 
@@ -412,13 +403,17 @@ _drawer_close(Evas_Object *obj, Evas_Coord w, Evas_Coord h, Eina_Bool anim)
          break;
 
       case ELM_PANEL_ORIENT_LEFT:
-         x = w * sd->content_size_ratio;
+         if (!elm_widget_mirrored_get(obj))
+           x = w * sd->content_size_ratio;
          horizontal = EINA_TRUE;
          break;
 
       case ELM_PANEL_ORIENT_BOTTOM:
          break;
+
       case ELM_PANEL_ORIENT_RIGHT:
+         if (elm_widget_mirrored_get(obj))
+           x = w * sd->content_size_ratio;
          horizontal = EINA_TRUE;
          break;
      }
@@ -535,9 +530,18 @@ _state_sync(Evas_Object *obj)
          eo_do(obj, elm_interface_scrollable_content_pos_get(&pos, NULL));
          horizontal = EINA_TRUE;
 
-         if (pos == 0) open = EINA_TRUE;
-         else if (pos == panel_size) open = EINA_FALSE;
-         else return EINA_FALSE;
+         if (!elm_widget_mirrored_get(obj))
+           {
+              if (pos == 0) open = EINA_TRUE;
+              else if (pos == panel_size) open = EINA_FALSE;
+              else return EINA_FALSE;
+           }
+         else
+           {
+              if (pos == panel_size) open = EINA_TRUE;
+              else if (pos == 0) open = EINA_FALSE;
+              else return EINA_FALSE;
+           }
          break;
 
       case ELM_PANEL_ORIENT_RIGHT:
@@ -545,9 +549,18 @@ _state_sync(Evas_Object *obj)
          eo_do(obj, elm_interface_scrollable_content_pos_get(&pos, NULL));
          horizontal = EINA_TRUE;
 
-         if (pos == panel_size) open = EINA_TRUE;
-         else if (pos == 0) open = EINA_FALSE;
-         else return EINA_FALSE;
+         if (!elm_widget_mirrored_get(obj))
+           {
+              if (pos == 0) open = EINA_TRUE;
+              else if (pos == panel_size) open = EINA_FALSE;
+              else return EINA_FALSE;
+           }
+         else
+           {
+              if (pos == panel_size) open = EINA_TRUE;
+              else if (pos == 0) open = EINA_FALSE;
+              else return EINA_FALSE;
+           }
          break;
      }
 
@@ -649,6 +662,7 @@ _on_mouse_down(void *data,
    Evas_Coord finger_size = elm_config_finger_size_get();
    Evas_Coord x, y, w, h;
    evas_object_geometry_get(obj, &x, &y, &w, &h);
+   Eina_Bool is_mirrored = elm_widget_mirrored_get(obj);
 
    sd->down_x = ev->canvas.x - x;
    sd->down_y = ev->canvas.y - y;
@@ -672,14 +686,16 @@ _on_mouse_down(void *data,
            }
          break;
       case ELM_PANEL_ORIENT_LEFT:
-         if ((sd->freeze) && (sd->down_x >= 0) && (sd->down_x < finger_size))
+         if ((!is_mirrored && (sd->freeze) && (sd->down_x >= 0) && (sd->down_x < finger_size)) ||
+              ((is_mirrored && (sd->freeze) && (sd->down_x <= w) && (sd->down_x > (w - finger_size)))))
            {
               ecore_timer_del(sd->timer);
               sd->timer = ecore_timer_add(0.2, _timer_cb, obj);
            }
          break;
       case ELM_PANEL_ORIENT_RIGHT:
-         if ((sd->freeze) && (sd->down_x <= w) && (sd->down_x > (w - finger_size)))
+         if ((is_mirrored && (sd->freeze) && (sd->down_x >= 0) && (sd->down_x < finger_size)) ||
+              (!is_mirrored && (sd->freeze) && (sd->down_x <= w) && (sd->down_x > (w - finger_size))))
            {
               ecore_timer_del(sd->timer);
               sd->timer = ecore_timer_add(0.2, _timer_cb, obj);
@@ -699,6 +715,7 @@ _on_mouse_move(void *data,
    Evas_Coord x, y, w, h, cur_x, cur_y, finger_size;
    evas_object_geometry_get(obj, &x, &y, &w, &h);
    finger_size = elm_config_finger_size_get();
+   Eina_Bool is_mirrored = elm_widget_mirrored_get(obj);
 
    cur_x = ev->cur.canvas.x - x;
    cur_y = ev->cur.canvas.y - y;
@@ -725,7 +742,8 @@ _on_mouse_move(void *data,
            }
          break;
       case ELM_PANEL_ORIENT_LEFT:
-         if (sd->timer && ((cur_x - sd->down_x) > finger_size))
+         if ((!is_mirrored && (sd->timer) && ((cur_x - sd->down_x) > finger_size)) ||
+              ((is_mirrored) && (sd->timer) && ((sd->down_x - cur_x) > finger_size)))
            {
               eo_do(obj, elm_interface_scrollable_freeze_set(EINA_FALSE));
               sd->freeze = EINA_FALSE;
@@ -733,7 +751,8 @@ _on_mouse_move(void *data,
            }
          break;
       case ELM_PANEL_ORIENT_RIGHT:
-         if (sd->timer && ((sd->down_x - cur_x) > finger_size))
+         if ((is_mirrored && (sd->timer) && ((cur_x - sd->down_x) > finger_size)) ||
+              (!is_mirrored && (sd->timer) && ((sd->down_x - cur_x) > finger_size)))
            {
               eo_do(obj, elm_interface_scrollable_freeze_set(EINA_FALSE));
               sd->freeze = EINA_FALSE;
@@ -803,15 +822,31 @@ _on_mouse_up(void *data,
          threshold = panel_size / 4;
          eo_do(obj, elm_interface_scrollable_content_pos_get(&pos, NULL));
 
-         if (sd->hidden)
+         if (elm_widget_mirrored_get(obj))
            {
-              if (pos < (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
-              else _drawer_close(obj, w, h, EINA_TRUE);
+              if (sd->hidden)
+                {
+                   if (pos > threshold) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
+              else
+                {
+                   if (pos > (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
            }
          else
            {
-              if (pos < threshold) _drawer_open(obj, w, h, EINA_TRUE);
-              else _drawer_close(obj, w, h, EINA_TRUE);
+              if (sd->hidden)
+                {
+                   if (pos < (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
+              else
+                {
+                   if (pos < threshold) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
            }
          break;
 
@@ -820,15 +855,31 @@ _on_mouse_up(void *data,
          threshold = panel_size / 4;
          eo_do(obj, elm_interface_scrollable_content_pos_get(&pos, NULL));
 
-         if (sd->hidden)
+         if (!elm_widget_mirrored_get(obj))
            {
-              if (pos > threshold) _drawer_open(obj, w, h, EINA_TRUE);
-              else _drawer_close(obj, w, h, EINA_TRUE);
+              if (sd->hidden)
+                {
+                   if (pos > threshold) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
+              else
+                {
+                   if (pos > (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
            }
          else
            {
-              if (pos > (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
-              else _drawer_close(obj, w, h, EINA_TRUE);
+              if (sd->hidden)
+                {
+                   if (pos < (panel_size - threshold)) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
+              else
+                {
+                   if (pos < threshold) _drawer_open(obj, w, h, EINA_TRUE);
+                   else _drawer_close(obj, w, h, EINA_TRUE);
+                }
            }
          break;
      }
@@ -1237,12 +1288,28 @@ _scroll_cb(Evas_Object *obj, void *data EINA_UNUSED)
          event.rel_y = (double) y / (double) ((sd->content_size_ratio) * h);
         break;
       case ELM_PANEL_ORIENT_LEFT:
-         event.rel_x = 1 - ((double) x / (double) ((sd->content_size_ratio) * w));
-         event.rel_y = 1;
+        if (!elm_widget_mirrored_get(obj))
+          {
+             event.rel_x = 1 - ((double) x / (double) ((sd->content_size_ratio) * w));
+             event.rel_y = 1;
+          }
+        else
+          {
+             event.rel_x = (double) x / (double) ((sd->content_size_ratio) * w);
+             event.rel_y = 1;
+           }
         break;
       case ELM_PANEL_ORIENT_RIGHT:
-         event.rel_x = (double) x / (double) ((sd->content_size_ratio) * w);
-         event.rel_y = 1;
+        if (elm_widget_mirrored_get(obj))
+          {
+             event.rel_x = 1 - ((double) x / (double) ((sd->content_size_ratio) * w));
+             event.rel_y = 1;
+          }
+        else
+          {
+             event.rel_x = (double) x / (double) ((sd->content_size_ratio) * w);
+             event.rel_y = 1;
+          }
         break;
      }
    evas_object_smart_callback_call(obj, SIG_SCROLL, (void *) &event);