From b559fcbf7204179e4273433d34f4b560f9891c8a Mon Sep 17 00:00:00 2001
From: Kristian Høgsberg <krh@redhat.com>
Date: Fri, 18 Sep 2009 17:00:37 -0400
Subject: Add function to remove surfaces from client

---
 wayland.c | 43 +++++++++++++++++++------------------------
 wayland.h |  5 +++++
 2 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/wayland.c b/wayland.c
index 98cb341..560eac6 100644
--- a/wayland.c
+++ b/wayland.c
@@ -42,7 +42,7 @@ struct wl_client {
 	struct wl_connection *connection;
 	struct wl_event_source *source;
 	struct wl_display *display;
-	struct wl_list object_list;
+	struct wl_list surface_list;
 	struct wl_list link;
 	uint32_t id_count;
 };
@@ -59,11 +59,6 @@ struct wl_display {
 	struct wl_list global_list;
 };
 
-struct wl_object_ref {
-	struct wl_object *object;
-	struct wl_list link;
-};
-
 struct wl_global {
 	struct wl_object *object;
 	wl_client_connect_func_t func;	
@@ -186,7 +181,7 @@ wl_client_create(struct wl_display *display, int fd)
 	client->connection =
 		wl_connection_create(fd, wl_client_connection_update, client);
 
-	wl_list_init(&client->object_list);
+	wl_list_init(&client->surface_list);
 	wl_list_init(&client->link);
 
 	wl_display_post_range(display, client);
@@ -228,18 +223,17 @@ wl_object_destroy(struct wl_object *object)
 void
 wl_client_destroy(struct wl_client *client)
 {
-	struct wl_object_ref *ref;
+	struct wl_surface *surface;
 
 	printf("disconnect from client %p\n", client);
 
 	wl_list_remove(&client->link);
 
-	while (client->object_list.next != &client->object_list) {
-		ref = container_of(client->object_list.next,
-				   struct wl_object_ref, link);
-		wl_list_remove(&ref->link);
-		wl_object_destroy(ref->object);
-		free(ref);
+	while (client->surface_list.next != &client->surface_list) {
+		surface = container_of(client->surface_list.next,
+				       struct wl_surface, link);
+		wl_list_remove(&surface->link);
+		wl_object_destroy(&surface->base);
 	}
 
 	wl_event_source_remove(client->source);
@@ -254,7 +248,6 @@ wl_client_add_surface(struct wl_client *client,
 		      uint32_t id)
 {
 	struct wl_display *display = client->display;
-	struct wl_object_ref *ref;
 
 	if (client->id_count-- < 64)
 		wl_display_post_range(display, client);
@@ -264,20 +257,22 @@ wl_client_add_surface(struct wl_client *client,
 	surface->base.implementation = (void (**)(void)) implementation;
 	surface->client = client;
 
-	ref = malloc(sizeof *ref);
-	if (ref == NULL) {
-		wl_client_post_event(client, &display->base,
-				     WL_DISPLAY_NO_MEMORY);
-		return -1;
-	}
-
-	ref->object = &surface->base;
 	wl_hash_insert(display->objects, &surface->base);
-	wl_list_insert(client->object_list.prev, &ref->link);
+	wl_list_insert(client->surface_list.prev, &surface->link);
 
 	return 0;
 }
 
+WL_EXPORT void
+wl_client_remove_surface(struct wl_client *client,
+			 struct wl_surface *surface)
+{
+	struct wl_display *display = client->display;
+
+	wl_hash_remove(display->objects, &surface->base);
+	wl_list_remove(&surface->link);
+}
+
 WL_EXPORT void
 wl_client_send_acknowledge(struct wl_client *client,
 			   struct wl_compositor *compositor,
diff --git a/wayland.h b/wayland.h
index 619dc26..293a1b5 100644
--- a/wayland.h
+++ b/wayland.h
@@ -91,6 +91,7 @@ struct wl_compositor {
 struct wl_surface {
 	struct wl_object base;
 	struct wl_client *client;
+	struct wl_list link;
 };
 
 struct wl_compositor_interface {
@@ -138,6 +139,10 @@ wl_client_add_surface(struct wl_client *client,
 		      const struct wl_surface_interface *implementation, 
 		      uint32_t id);
 
+void
+wl_client_remove_surface(struct wl_client *client,
+			 struct wl_surface *surface);
+
 void
 wl_client_send_acknowledge(struct wl_client *client,
 			   struct wl_compositor *compositor,
-- 
cgit