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surface-suspension-v1: new protocol implementation
This commit is contained in:
Simon Ser
parent
1ef5344710
commit
cf501a8f6c
3 changed files with 241 additions and 0 deletions
37
include/wlr/types/wlr_surface_suspension_v1.h
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37
include/wlr/types/wlr_surface_suspension_v1.h
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@ -0,0 +1,37 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_SURFACE_SUSPENSION_V1
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#define WLR_TYPES_WLR_SURFACE_SUSPENSION_V1
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#include <wayland-server-core.h>
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struct wlr_surface;
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struct wlr_surface_suspension_manager_v1 {
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struct wl_global *global;
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struct {
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struct wl_signal destroy;
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} events;
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// private state
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struct wl_list surfaces;
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struct wl_listener display_destroy;
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};
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struct wlr_surface_suspension_manager_v1 *
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wlr_surface_suspension_manager_v1_create(struct wl_display *display);
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void wlr_surface_suspension_manager_v1_set_suspended(
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struct wlr_surface_suspension_manager_v1 *manager,
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struct wlr_surface *surface, bool suspended);
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#endif
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@ -53,6 +53,7 @@ wlr_files += files(
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'wlr_screencopy_v1.c',
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'wlr_server_decoration.c',
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'wlr_surface.c',
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'wlr_surface_suspension_v1.c',
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'wlr_switch.c',
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'wlr_tablet_pad.c',
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'wlr_tablet_tool.c',
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203
types/wlr_surface_suspension_v1.c
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203
types/wlr_surface_suspension_v1.c
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#include <assert.h>
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#include <stdlib.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/types/wlr_surface_suspension_v1.h>
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#include <wlr/util/log.h>
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#include "surface-suspension-v1-protocol.h"
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#include "util/signal.h"
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#define SURFACE_SUSPENSION_V1_VERSION 1
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struct wlr_surface_suspension_v1 {
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struct wlr_surface *surface;
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struct wl_list link;
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struct wl_list resources;
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bool suspended;
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struct wl_listener surface_destroy;
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};
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static const struct wp_surface_suspension_manager_v1_interface manager_impl;
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static struct wlr_surface_suspension_manager_v1 *manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&wp_surface_suspension_manager_v1_interface, &manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void surface_suspension_handle_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct wp_surface_suspension_v1_interface surface_suspension_impl = {
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.destroy = surface_suspension_handle_destroy,
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};
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static void surface_handle_surface_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_surface_suspension_v1 *surface_suspension =
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wl_container_of(listener, surface_suspension, surface_destroy);
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wl_list_remove(&surface_suspension->surface_destroy.link);
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wl_list_remove(&surface_suspension->link);
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// Make all resources inert
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struct wl_resource *resource, *resource_tmp;
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wl_resource_for_each_safe(resource, resource_tmp, &surface_suspension->resources) {
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wl_resource_set_user_data(resource, NULL);
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wl_list_remove(wl_resource_get_link(resource));
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wl_list_init(wl_resource_get_link(resource));
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}
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free(surface_suspension);
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}
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static struct wlr_surface_suspension_v1 *
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manager_get_or_create_surface_suspension(
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struct wlr_surface_suspension_manager_v1 *manager,
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struct wlr_surface *surface) {
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struct wlr_surface_suspension_v1 *surface_suspension;
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wl_list_for_each(surface_suspension, &manager->surfaces, link) {
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if (surface_suspension->surface == surface) {
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return surface_suspension;
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}
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}
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surface_suspension = calloc(1, sizeof(*surface_suspension));
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if (surface_suspension == NULL) {
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return NULL;
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}
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surface_suspension->surface = surface;
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wl_list_init(&surface_suspension->resources);
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surface_suspension->surface_destroy.notify = surface_handle_surface_destroy;
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wl_signal_add(&surface->events.destroy, &surface_suspension->surface_destroy);
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wl_list_insert(&manager->surfaces, &surface_suspension->link);
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return surface_suspension;
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}
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static void surface_handle_resource_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static void manager_handle_get_surface_suspension(struct wl_client *client,
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struct wl_resource *manager_resource, uint32_t id,
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struct wl_resource *surface_resource) {
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struct wlr_surface_suspension_manager_v1 *manager =
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manager_from_resource(manager_resource);
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struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
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struct wlr_surface_suspension_v1 *surface_suspension =
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manager_get_or_create_surface_suspension(manager, surface);
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if (surface_suspension == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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uint32_t version = wl_resource_get_version(manager_resource);
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struct wl_resource *resource = wl_resource_create(client,
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&wp_surface_suspension_v1_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &surface_suspension_impl,
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surface_suspension, surface_handle_resource_destroy);
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wl_list_insert(&surface_suspension->resources, wl_resource_get_link(resource));
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if (surface_suspension->suspended) {
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wp_surface_suspension_v1_send_suspended(resource);
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}
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}
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static void manager_handle_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct wp_surface_suspension_manager_v1_interface manager_impl = {
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.destroy = manager_handle_destroy,
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.get_surface_suspension = manager_handle_get_surface_suspension,
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};
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static void manager_bind(struct wl_client *client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_surface_suspension_manager_v1 *manager = data;
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struct wl_resource *resource = wl_resource_create(client,
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&wp_surface_suspension_manager_v1_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &manager_impl, manager, NULL);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_surface_suspension_manager_v1 *manager =
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wl_container_of(listener, manager, display_destroy);
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wlr_signal_emit_safe(&manager->events.destroy, NULL);
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wl_list_remove(&manager->display_destroy.link);
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wl_global_destroy(manager->global);
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free(manager);
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}
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struct wlr_surface_suspension_manager_v1 *
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wlr_surface_suspension_manager_v1_create(struct wl_display *display) {
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struct wlr_surface_suspension_manager_v1 *manager =
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calloc(1, sizeof(*manager));
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if (manager == NULL) {
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return NULL;
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}
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wl_signal_init(&manager->events.destroy);
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wl_list_init(&manager->surfaces);
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manager->global = wl_global_create(display,
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&wp_surface_suspension_manager_v1_interface,
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SURFACE_SUSPENSION_V1_VERSION, manager, manager_bind);
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if (manager->global == NULL) {
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free(manager);
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return NULL;
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}
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manager->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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void wlr_surface_suspension_manager_v1_set_suspended(
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struct wlr_surface_suspension_manager_v1 *manager,
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struct wlr_surface *surface, bool suspended) {
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struct wlr_surface_suspension_v1 *surface_suspension =
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manager_get_or_create_surface_suspension(manager, surface);
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if (surface_suspension == NULL) {
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wlr_log(WLR_ERROR, "Allocation failed");
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return;
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}
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if (surface_suspension->suspended == suspended) {
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return;
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}
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surface_suspension->suspended = suspended;
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struct wl_resource *resource;
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wl_resource_for_each(resource, &surface_suspension->resources) {
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if (suspended) {
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wp_surface_suspension_v1_send_suspended(resource);
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} else {
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wp_surface_suspension_v1_send_resumed(resource);
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}
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}
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}
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