subcompositor: use role object destroy handler

This commit is contained in:
Kirill Primak 2022-11-03 21:48:07 +03:00
parent 3da2cf3eb3
commit 2518ace573
2 changed files with 32 additions and 39 deletions

View file

@ -40,7 +40,6 @@ struct wlr_subsurface {
bool mapped;
bool added;
struct wl_listener surface_destroy;
struct wl_listener surface_client_commit;
struct wl_listener parent_destroy;

View file

@ -6,6 +6,8 @@
#include "types/wlr_region.h"
#include "types/wlr_subcompositor.h"
// Note: wl_subsurface becomes inert on parent surface destroy
#define SUBCOMPOSITOR_VERSION 1
static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) {
@ -25,33 +27,6 @@ static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) {
static void subsurface_unmap(struct wlr_subsurface *subsurface);
static void subsurface_destroy(struct wlr_subsurface *subsurface) {
if (subsurface == NULL) {
return;
}
if (subsurface->has_cache) {
wlr_surface_unlock_cached(subsurface->surface,
subsurface->cached_seq);
}
subsurface_unmap(subsurface);
wl_signal_emit_mutable(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_destroy.link);
wl_list_remove(&subsurface->surface_client_commit.link);
wl_list_remove(&subsurface->current.link);
wl_list_remove(&subsurface->pending.link);
wl_list_remove(&subsurface->parent_destroy.link);
wl_resource_set_user_data(subsurface->resource, NULL);
if (subsurface->surface) {
subsurface->surface->role_data = NULL;
}
free(subsurface);
}
static const struct wl_subsurface_interface subsurface_implementation;
/**
@ -69,7 +44,9 @@ static struct wlr_subsurface *subsurface_from_resource(
static void subsurface_resource_destroy(struct wl_resource *resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
subsurface_destroy(subsurface);
if (subsurface != NULL) {
wlr_surface_destroy_role_object(subsurface->surface);
}
}
static void subsurface_handle_destroy(struct wl_client *client,
@ -288,10 +265,36 @@ static void subsurface_role_precommit(struct wlr_surface *surface,
}
}
static void subsurface_role_destroy(struct wlr_surface *surface) {
struct wlr_subsurface *subsurface =
wlr_subsurface_from_wlr_surface(surface);
if (subsurface == NULL) {
return;
}
if (subsurface->has_cache) {
wlr_surface_unlock_cached(subsurface->surface,
subsurface->cached_seq);
}
subsurface_unmap(subsurface);
wl_signal_emit_mutable(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_client_commit.link);
wl_list_remove(&subsurface->current.link);
wl_list_remove(&subsurface->pending.link);
wl_list_remove(&subsurface->parent_destroy.link);
wl_resource_set_user_data(subsurface->resource, NULL);
free(subsurface);
}
const struct wlr_surface_role subsurface_role = {
.name = "wl_subsurface",
.commit = subsurface_role_commit,
.precommit = subsurface_role_precommit,
.destroy = subsurface_role_destroy,
};
static void subsurface_handle_parent_destroy(struct wl_listener *listener,
@ -300,14 +303,7 @@ static void subsurface_handle_parent_destroy(struct wl_listener *listener,
wl_container_of(listener, subsurface, parent_destroy);
// Once the parent is destroyed, the client has no way to use the
// wl_subsurface object anymore, so we can destroy it.
subsurface_destroy(subsurface);
}
static void subsurface_handle_surface_destroy(struct wl_listener *listener,
void *data) {
struct wlr_subsurface *subsurface =
wl_container_of(listener, subsurface, surface_destroy);
subsurface_destroy(subsurface);
wlr_surface_destroy_role_object(subsurface->surface);
}
static void subsurface_handle_surface_client_commit(
@ -397,8 +393,6 @@ static struct wlr_subsurface *subsurface_create(struct wlr_surface *surface,
wl_signal_init(&subsurface->events.map);
wl_signal_init(&subsurface->events.unmap);
wl_signal_add(&surface->events.destroy, &subsurface->surface_destroy);
subsurface->surface_destroy.notify = subsurface_handle_surface_destroy;
wl_signal_add(&surface->events.client_commit,
&subsurface->surface_client_commit);
subsurface->surface_client_commit.notify =