efl_animation: Add alpha animation

6 files changed, 105 insertions, 0 deletions

diff --git a/src/Makefile_Evas.am b/src/Makefile_Evas.am
index 513ff26bc1..d2c37d7e46 100644
--- a/src/Makefile_Evas.am
+++ b/src/Makefile_Evas.am
@@ -51,6 +51,7 @@ evas_eolian_pub_files = \
 	lib/evas/canvas/efl_input_focus.eo \
 	lib/evas/canvas/efl_gfx_map.eo \
 	lib/evas/canvas/efl_animation.eo \
+	lib/evas/canvas/efl_animation_alpha.eo \
 	lib/evas/canvas/efl_animation_instance.eo \
 	$(NULL)
 
@@ -217,6 +218,7 @@ lib/evas/canvas/efl_input_pointer.c \
 lib/evas/canvas/efl_input_hold.c \
 lib/evas/canvas/efl_input_focus.c \
 lib/evas/canvas/efl_animation.c \
+lib/evas/canvas/efl_animation_alpha.c \
 lib/evas/canvas/efl_animation_instance.c \
 $(NULL)
 
diff --git a/src/lib/evas/Evas_Common.h b/src/lib/evas/Evas_Common.h
index fcc279cf73..d4abf1f073 100644
--- a/src/lib/evas/Evas_Common.h
+++ b/src/lib/evas/Evas_Common.h
@@ -3328,6 +3328,13 @@ typedef Eo Efl_Animation;
 
 #endif
 
+#ifndef _EFL_ANIMATION_ALPHA_EO_CLASS_TYPE
+#define _EFL_ANIMATION_ALPHA_EO_CLASS_TYPE
+
+typedef Eo Efl_Animation_Alpha;
+
+#endif
+
 #ifndef _EFL_ANIMATION_INSTANCE_EO_CLASS_TYPE
 #define _EFL_ANIMATION_INSTANCE_EO_CLASS_TYPE
 
diff --git a/src/lib/evas/Evas_Eo.h b/src/lib/evas/Evas_Eo.h
index 4c3a2cbf61..df3ec08074 100644
--- a/src/lib/evas/Evas_Eo.h
+++ b/src/lib/evas/Evas_Eo.h
@@ -67,6 +67,7 @@
 #include "canvas/efl_canvas_object.eo.h"
 
 #include "canvas/efl_animation.eo.h"
+#include "canvas/efl_animation_alpha.eo.h"
 #include "canvas/efl_animation_instance.eo.h"
 #endif /* EFL_EO_API_SUPPORT */
 
diff --git a/src/lib/evas/canvas/efl_animation_alpha.c b/src/lib/evas/canvas/efl_animation_alpha.c
new file mode 100644
index 0000000000..dc2663186f
--- /dev/null
+++ b/src/lib/evas/canvas/efl_animation_alpha.c
@@ -0,0 +1,70 @@
+#include "evas_common_private.h"
+#include "evas_private.h"
+
+#define MY_CLASS EFL_ANIMATION_ALPHA_CLASS
+#define MY_CLASS_NAME efl_class_name_get(MY_CLASS)
+
+#define EFL_ANIMATION_ALPHA_CHECK_OR_RETURN(anim, ...) \
+   do { \
+      if (!anim) { \
+         CRI("Efl_Animation " # anim " is NULL!"); \
+         return __VA_ARGS__; \
+      } \
+      if (efl_animation_is_deleted(anim)) { \
+         ERR("Efl_Animation " # anim " has already been deleted!"); \
+         return __VA_ARGS__; \
+      } \
+   } while (0)
+
+#define EFL_ANIMATION_ALPHA_DATA_GET(o, pd) \
+   Evas_Object_Animation_Alpha_Data *pd = efl_data_scope_get(o, EFL_ANIMATION_ALPHA_CLASS)
+
+typedef struct _Evas_Object_Animation_Alpha_Property
+{
+   double alpha;
+} Evas_Object_Animation_Alpha_Property;
+
+struct _Evas_Object_Animation_Alpha_Data
+{
+   Evas_Object_Animation_Alpha_Property from;
+   Evas_Object_Animation_Alpha_Property to;
+};
+
+EOLIAN static void
+_efl_animation_alpha_alpha_set(Eo *eo_obj, Evas_Object_Animation_Alpha_Data *pd, double from_alpha, double to_alpha)
+{
+   EFL_ANIMATION_ALPHA_CHECK_OR_RETURN(eo_obj);
+
+   pd->from.alpha = from_alpha;
+   pd->to.alpha = to_alpha;
+}
+
+EOLIAN static void
+_efl_animation_alpha_alpha_get(Eo *eo_obj EINA_UNUSED, Evas_Object_Animation_Alpha_Data *pd, double *from_alpha, double *to_alpha)
+{
+   EFL_ANIMATION_ALPHA_CHECK_OR_RETURN(eo_obj);
+
+   if (from_alpha)
+     *from_alpha = pd->from.alpha;
+   if (to_alpha)
+     *to_alpha = pd->to.alpha;
+}
+
+EOLIAN static Efl_Object *
+_efl_animation_alpha_efl_object_constructor(Eo *eo_obj, Evas_Object_Animation_Alpha_Data *pd)
+{
+   eo_obj = efl_constructor(efl_super(eo_obj, MY_CLASS));
+
+   pd->from.alpha = 1.0;
+   pd->to.alpha = 1.0;
+
+   return eo_obj;
+}
+
+EOLIAN static void
+_efl_animation_alpha_efl_object_destructor(Eo *eo_obj, Evas_Object_Animation_Alpha_Data *pd EINA_UNUSED)
+{
+   efl_destructor(efl_super(eo_obj, MY_CLASS));
+}
+
+#include "efl_animation_alpha.eo.c"
diff --git a/src/lib/evas/canvas/efl_animation_alpha.eo b/src/lib/evas/canvas/efl_animation_alpha.eo
new file mode 100644
index 0000000000..ff59aa5854
--- /dev/null
+++ b/src/lib/evas/canvas/efl_animation_alpha.eo
@@ -0,0 +1,24 @@
+import efl_animation_types;
+
+class Efl.Animation.Alpha (Efl.Animation)
+{
+   [[Efl alpha animation class]]
+   legacy_prefix: evas_object_animation;
+   data: Evas_Object_Animation_Alpha_Data;
+   methods {
+      @property alpha {
+         set {
+         }
+         get {
+         }
+         values {
+            from_alpha: double; [[Alpha value when animation starts]]
+            to_alpha: double; [[Alpha value when animation ends]]
+         }
+      }
+   }
+   implements {
+      Efl.Object.constructor;
+      Efl.Object.destructor;
+   }
+}
diff --git a/src/lib/evas/include/evas_private.h b/src/lib/evas/include/evas_private.h
index 29734aa21f..7caac27690 100644
--- a/src/lib/evas/include/evas_private.h
+++ b/src/lib/evas/include/evas_private.h
@@ -108,6 +108,7 @@ typedef struct _Evas_Pointer_Data           Evas_Pointer_Data;
 typedef struct _Evas_Filter_Command         Evas_Filter_Command;
 typedef enum _Evas_Filter_Support           Evas_Filter_Support;
 
+typedef struct _Evas_Object_Animation_Alpha_Data                      Evas_Object_Animation_Alpha_Data;
 typedef struct _Evas_Object_Animation_Data                            Evas_Object_Animation_Data;
 typedef struct _Evas_Object_Animation_Instance_Data                   Evas_Object_Animation_Instance_Data;