menu_animation: add delayed animations

menu/menu_animation.c

@@ -333,6 +333,29 @@ void menu_animation_free(void)
    da_free(anim.pending);
 }
 
+static void menu_delayed_animation_cb(void *userdata)
+{
+   menu_delayed_animation_t *delayed_animation = (menu_delayed_animation_t*) userdata;
+
+   menu_animation_push(&delayed_animation->entry);
+
+   free(delayed_animation);
+}
+
+void menu_animation_push_delayed(unsigned delay, menu_animation_ctx_entry_t *entry)
+{
+   menu_timer_ctx_entry_t timer_entry;
+   menu_delayed_animation_t *delayed_animation  = (menu_delayed_animation_t*) malloc(sizeof(menu_delayed_animation_t));
+
+   memcpy(&delayed_animation->entry, entry, sizeof(menu_animation_ctx_entry_t));
+
+   timer_entry.cb       = menu_delayed_animation_cb;
+   timer_entry.duration = delay;
+   timer_entry.userdata = delayed_animation;
+
+   menu_timer_start(&delayed_animation->timer, &timer_entry);
+}
+
 bool menu_animation_push(menu_animation_ctx_entry_t *entry)
 {
    struct tween t;

menu/menu_animation.h

@@ -127,6 +127,12 @@ typedef struct menu_timer_ctx_entry
    void *userdata;
 } menu_timer_ctx_entry_t;
 
+typedef struct menu_delayed_animation
+{
+   menu_timer_t timer;
+   menu_animation_ctx_entry_t entry;
+} menu_delayed_animation_t;
+
 void menu_timer_start(menu_timer_t *timer, menu_timer_ctx_entry_t *timer_entry);
 
 void menu_timer_kill(menu_timer_t *timer);
@@ -151,6 +157,8 @@ void menu_animation_kill_by_subject(menu_animation_ctx_subject_t *subject);
 
 bool menu_animation_push(menu_animation_ctx_entry_t *entry);
 
+void menu_animation_push_delayed(unsigned delay, menu_animation_ctx_entry_t *entry);
+
 float menu_animation_get_delta_time(void);
 
 bool menu_animation_ctl(enum menu_animation_ctl_state state, void *data);