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util: add wlr_addon

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Kirill Primak 2021-08-09 17:57:19 +03:00 • committed by Simon Ser
parent 604674dc54
commit a6a80850b7
3 changed files with 93 additions and 0 deletions
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49
util/addon.c Normal file
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#include <assert.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include "wlr/util/addon.h"
void wlr_addon_set_init(struct wlr_addon_set *set) {
wl_list_init(&set->addons);
}
void wlr_addon_set_finish(struct wlr_addon_set *set) {
struct wlr_addon *addon, *tmp;
wl_list_for_each_safe(addon, tmp, &set->addons, link) {
wlr_addon_finish(addon);
addon->impl->destroy(addon);
}
}
void wlr_addon_init(struct wlr_addon *addon, struct wlr_addon_set *set,
const void *owner, const struct wlr_addon_interface *impl) {
assert(owner);
struct wlr_addon *iter;
wl_list_for_each(iter, &set->addons, link) {
if (iter->owner == addon->owner) {
assert(0 && "Can't have two addons with the same owner");
}
}
wl_list_insert(&set->addons, &addon->link);
addon->owner = owner;
addon->impl = impl;
}
void wlr_addon_finish(struct wlr_addon *addon) {
if (addon->owner) {
addon->owner = NULL;
wl_list_remove(&addon->link);
}
}
struct wlr_addon *wlr_addon_find_by_owner(struct wlr_addon_set *set,
const void *owner) {
struct wlr_addon *addon;
wl_list_for_each(addon, &set->addons, link) {
if (addon->owner == owner) {
return addon;
}
}
return NULL;
}