Rename zathura_page_cache_add

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

callbacks.c

@@ -98,7 +98,7 @@ cb_view_vadjustment_value_changed(GtkAdjustment* GIRARA_UNUSED(adjustment), gpoi
       if (zathura_page_get_visibility(page) == false) {
         zathura_page_set_visibility(page, true);
         zathura_page_widget_update_view_time(zathura_page_widget);
-        zathura_page_cache_add(zathura->sync.render_thread, zathura_page_get_index(page));
+        zathura_renderer_page_cache_add(zathura->sync.render_thread, zathura_page_get_index(page));
       }
       if (zathura->global.update_page_number == true && updated == false
           && gdk_rectangle_intersect(&center, &page_rect, NULL) == TRUE) {

render.c

@@ -828,7 +828,8 @@ page_cache_invalidate_all(ZathuraRenderer* renderer)
 }
 
 void
-zathura_page_cache_add(ZathuraRenderer* renderer, unsigned int page_index)
+zathura_renderer_page_cache_add(ZathuraRenderer* renderer,
+    unsigned int page_index)
 {
   g_return_if_fail(ZATHURA_IS_RENDERER(renderer));
   if (page_cache_is_cached(renderer, page_index) == true) {

render.h

@@ -117,12 +117,12 @@ void zathura_renderer_lock(ZathuraRenderer* renderer);
 void zathura_renderer_unlock(ZathuraRenderer* renderer);
 
 /**
- * Add a page to the page cache
+ * Add a page to the page cache.
  *
- * @param zathura The zathura session
- * @param page_index The index of the page to be cached
+ * @param renderer renderer object.
+ * @param page_index The index of the page to be cached.
  */
-void zathura_page_cache_add(ZathuraRenderer* renderer,
+void zathura_renderer_page_cache_add(ZathuraRenderer* renderer,
     unsigned int page_index);
 
 
@@ -186,6 +186,12 @@ void zathura_render_request(ZathuraRenderRequest* request,
  */
 void zathura_render_request_abort(ZathuraRenderRequest* request);
 
+/**
+ * Update the time the page associated to the render request has been viewed the
+ * last time.
+ *
+ * @param request request that should be updated
+ */
 void zathura_render_request_update_view_time(ZathuraRenderRequest* request);
 
 /**