Start parsing effects

1 files changed, 24 insertions, 8 deletions

diff --git a/src/effect.h b/src/effect.h
index 1bf1a9e..980d339 100644
--- a/src/effect.h
+++ b/src/effect.h
@@ -5,25 +5,41 @@
 
 #include "util.h"
 
-typedef enum {
-    EFFECT_PULSE,
-} effect_type_t;
-
 typedef struct effect effect_t;
 
+typedef struct effect_info effect_info_t;
+
 typedef struct layout layout_t;
 
+// NOTE: Should only allocate the effect and set any extra values
+//
+typedef effect_t *(*effect_allocate_t)(const effect_info_t *info);
+
+// NOTE: Must free any state associated with the effect
+//
+typedef void (*effect_finalize_t)(effect_t *effect);
+
 typedef void (*effect_render_t)(effect_t *effect, layout_t *layout, cairo_t *cr);
 
-struct effect {
-    effect_type_t type;
-    struct timespec start;
+// NOTE: effect_info's state will be free'd simply
+//
+struct effect_info {
+    char *label;
     struct timespec duration;
+    effect_allocate_t allocate;
+    effect_finalize_t finalize;
     effect_render_t pre;
     effect_render_t post;
+    void *state;
+};
+
+struct effect {
+    effect_info_t *info;
+    struct timespec start;
+    struct effect *next;
 };
 
-effect_t *effect_pulse(struct timespec duration);
+void effect_info_free(effect_info_t *info);
 
 void effect_free(effect_t *effect);