[mutter] clutter: Remove some unused deprecated clutter_alpha API

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit c4d1e150ba9bfd02b5feafe5bf71f0d2083937b3
Author: Adam Jackson <ajax redhat com>
Date:   Tue Nov 5 12:35:15 2019 -0500

    clutter: Remove some unused deprecated clutter_alpha API
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/921

 clutter/clutter/deprecated/clutter-alpha.c | 133 ++---------------------------
 clutter/clutter/deprecated/clutter-alpha.h |  12 ---
 2 files changed, 6 insertions(+), 139 deletions(-)
---
diff --git a/clutter/clutter/deprecated/clutter-alpha.c b/clutter/clutter/deprecated/clutter-alpha.c
index 4a2374969..9560c2ead 100644
--- a/clutter/clutter/deprecated/clutter-alpha.c
+++ b/clutter/clutter/deprecated/clutter-alpha.c
@@ -43,9 +43,8 @@
  *
  * You should provide a #ClutterTimeline and bind it to the #ClutterAlpha
  * instance using clutter_alpha_set_timeline(). You should also set an
- * "animation mode", either by using the #ClutterAnimationMode values that
- * Clutter itself provides or by registering custom functions using
- * clutter_alpha_register_func().
+ * "animation mode", by using the #ClutterAnimationMode values that
+ * Clutter provides.
  *
  * Instead of a #ClutterAnimationMode you may provide a function returning
  * the alpha value depending on the progress of the timeline, using
@@ -362,9 +361,8 @@ clutter_alpha_class_init (ClutterAlphaClass *klass)
   /**
    * ClutterAlpha:mode:
    *
-   * The progress function logical id - either a value from the
-   * #ClutterAnimationMode enumeration or a value returned by
-   * clutter_alpha_register_func().
+   * The progress function logical id - a value from the
+   * #ClutterAnimationMode enumeration.
    *
    * If %CLUTTER_CUSTOM_MODE is used then the function set using
    * clutter_alpha_set_closure() or clutter_alpha_set_func()
@@ -679,44 +677,6 @@ clutter_alpha_new_full (ClutterTimeline *timeline,
                        NULL);
 }
 
-/**
- * clutter_alpha_new_with_func:
- * @timeline: a #ClutterTimeline
- * @func: a #ClutterAlphaFunc
- * @data: data to pass to the function, or %NULL
- * @destroy: function to call when removing the alpha function, or %NULL
- *
- * Creates a new #ClutterAlpha instances and sets the timeline
- * and the alpha function.
- *
- * This function will not register @func as a global alpha function.
- *
- * See also clutter_alpha_set_timeline() and clutter_alpha_set_func().
- *
- * Return value: the newly created #ClutterAlpha
- *
- * Since: 1.0
- *
- * Deprecated: 1.12: Use #ClutterTimeline instead
- */
-ClutterAlpha *
-clutter_alpha_new_with_func (ClutterTimeline  *timeline,
-                             ClutterAlphaFunc  func,
-                             gpointer          data,
-                             GDestroyNotify    destroy)
-{
-  ClutterAlpha *retval;
-
-  g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), NULL);
-  g_return_val_if_fail (func != NULL, NULL);
-
-  retval = clutter_alpha_new ();
-  clutter_alpha_set_timeline (retval, timeline);
-  clutter_alpha_set_func (retval, func, data, destroy);
-
-  return retval;
-}
-
 /**
  * clutter_alpha_get_mode:
  * @alpha: a #ClutterAlpha
@@ -771,8 +731,7 @@ clutter_alpha_easing_func (ClutterAlpha *alpha,
  * @mode: a #ClutterAnimationMode
  *
  * Sets the progress function of @alpha using the symbolic value
- * of @mode, as taken by the #ClutterAnimationMode enumeration or
- * using the value returned by clutter_alpha_register_func().
+ * of @mode, as taken by the #ClutterAnimationMode enumeration.
  *
  * Since: 1.0
  *
@@ -826,9 +785,7 @@ clutter_alpha_set_mode (ClutterAlpha *alpha,
 
       if (G_UNLIKELY (clutter_alphas == NULL))
         {
-          g_warning ("No alpha functions defined for ClutterAlpha to use. "
-                     "Use clutter_alpha_register_func() to register an "
-                     "alpha function.");
+          g_warning ("No alpha functions defined for ClutterAlpha to use. ");
           return;
         }
 
@@ -860,81 +817,3 @@ clutter_alpha_set_mode (ClutterAlpha *alpha,
 
   g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_MODE]);
 }
-
-static gulong
-register_alpha_internal (AlphaData *alpha_data)
-{
-  if (G_UNLIKELY (clutter_alphas == NULL))
-    clutter_alphas = g_ptr_array_new ();
-
-  g_ptr_array_add (clutter_alphas, alpha_data);
-
-  return clutter_alphas->len + CLUTTER_ANIMATION_LAST;
-}
-
-/**
- * clutter_alpha_register_func: (skip)
- * @func: a #ClutterAlphaFunc
- * @data: user data to pass to @func, or %NULL
- *
- * Registers a global alpha function and returns its logical id
- * to be used by clutter_alpha_set_mode() or by #ClutterAnimation.
- *
- * The logical id is always greater than %CLUTTER_ANIMATION_LAST.
- *
- * Return value: the logical id of the alpha function
- *
- * Since: 1.0
- *
- * Deprecated: 1.12: There is no direct replacement for this
- *   function. Use clutter_timeline_set_progress_func() on each
- *   specific #ClutterTimeline instance
- */
-gulong
-clutter_alpha_register_func (ClutterAlphaFunc func,
-                             gpointer         data)
-{
-  AlphaData *alpha_data;
-
-  g_return_val_if_fail (func != NULL, 0);
-
-  alpha_data = g_slice_new (AlphaData);
-  alpha_data->closure_set = FALSE;
-  alpha_data->func = func;
-  alpha_data->data = data;
-
-  return register_alpha_internal (alpha_data);
-}
-
-/**
- * clutter_alpha_register_closure: (rename-to clutter_alpha_register_func)
- * @closure: a #GClosure
- *
- * #GClosure variant of clutter_alpha_register_func().
- *
- * Registers a global alpha function and returns its logical id
- * to be used by clutter_alpha_set_mode() or by #ClutterAnimation.
- *
- * The logical id is always greater than %CLUTTER_ANIMATION_LAST.
- *
- * Return value: the logical id of the alpha function
- *
- * Since: 1.0
- *
- * Deprecated: 1.12: There is no direct replacement for this
- *   function. Use clutter_timeline_set_progress_func() on each
- *   specific #ClutterTimeline instance
- */
-gulong
-clutter_alpha_register_closure (GClosure *closure)
-{
-  AlphaData *alpha_data;
-
-  g_return_val_if_fail (closure != NULL, 0);
-
-  alpha_data = g_slice_new (AlphaData);
-  alpha_data->closure_set = TRUE;
-  alpha_data->closure = closure;
-
-  return register_alpha_internal (alpha_data);
-}
diff --git a/clutter/clutter/deprecated/clutter-alpha.h b/clutter/clutter/deprecated/clutter-alpha.h
index 6ee9376c4..fc030a567 100644
--- a/clutter/clutter/deprecated/clutter-alpha.h
+++ b/clutter/clutter/deprecated/clutter-alpha.h
@@ -113,12 +113,6 @@ CLUTTER_DEPRECATED
 ClutterAlpha *   clutter_alpha_new_full         (ClutterTimeline  *timeline,
                                                  gulong            mode);
 CLUTTER_DEPRECATED
-ClutterAlpha *   clutter_alpha_new_with_func    (ClutterTimeline  *timeline,
-                                                 ClutterAlphaFunc  func,
-                                                 gpointer          data,
-                                                 GDestroyNotify    destroy);
-
-CLUTTER_DEPRECATED
 gdouble          clutter_alpha_get_alpha        (ClutterAlpha     *alpha);
 CLUTTER_DEPRECATED
 void             clutter_alpha_set_func         (ClutterAlpha     *alpha,
@@ -139,12 +133,6 @@ void             clutter_alpha_set_mode         (ClutterAlpha     *alpha,
 CLUTTER_DEPRECATED
 gulong           clutter_alpha_get_mode         (ClutterAlpha     *alpha);
 
-CLUTTER_DEPRECATED
-gulong           clutter_alpha_register_func    (ClutterAlphaFunc  func,
-                                                 gpointer          data);
-CLUTTER_DEPRECATED
-gulong           clutter_alpha_register_closure (GClosure         *closure);
-
 G_END_DECLS
 
 #endif /* __CLUTTER_ALPHA_H__ */