ext-foreign-toplevel-request-v1: new protocol

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>

include/wlr/types/wlr_ext_foreign_toplevel_request_v1.h

@@ -0,0 +1,73 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_FOREIGN_TOPLEVEL_REQUEST_V1_H
+#define WLR_TYPES_WLR_FOREIGN_TOPLEVEL_REQUEST_V1_H
+
+#include <wayland-server-core.h>
+
+struct wlr_ext_foreign_toplevel_request_manager_v1 {
+	struct wl_global *global;
+	struct wl_list resources; // wl_resource_get_link()
+
+	struct {
+		struct wl_signal request;
+		struct wl_signal destroy;
+	} events;
+
+	void *data;
+
+	struct {
+		struct wl_listener display_destroy;
+	} WLR_PRIVATE;
+};
+
+struct wlr_ext_foreign_toplevel_request_v1 {
+	struct wl_resource *manager;
+	struct wl_resource *resource;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
+};
+
+struct wlr_ext_foreign_toplevel_request_source_v1 {
+	struct wl_global *global;
+	struct wl_list resources; // wl_resource_get_link()
+
+	struct {
+		struct wl_signal toplevel;
+		struct wl_signal cancel;
+		struct wl_signal destroy;
+	} events;
+
+	struct {
+		struct wl_listener display_destroy;
+	} WLR_PRIVATE;
+};
+
+struct wlr_ext_foreign_toplevel_request_pending_v1 {
+	struct wlr_ext_foreign_toplevel_request_source_v1 *source;
+	struct wlr_ext_foreign_toplevel_request_v1 *request;
+	struct wlr_ext_foreign_toplevel_handle_v1 *handle;
+	struct wl_resource *resource;
+};
+
+struct wlr_ext_foreign_toplevel_request_manager_v1 *
+	wlr_ext_foreign_toplevel_request_manager_v1_create(struct wl_display *display, uint32_t version);
+
+void wlr_ext_foreign_toplevel_request_v1_send_toplevel(
+	struct wlr_ext_foreign_toplevel_request_v1 *request, struct wlr_ext_foreign_toplevel_handle_v1 *toplevel);
+void wlr_ext_foreign_toplevel_request_v1_cancel(struct wlr_ext_foreign_toplevel_request_v1 *request);
+
+struct wlr_ext_foreign_toplevel_request_source_v1 *
+	wlr_ext_foreign_toplevel_request_source_v1_create(struct wl_display *display, uint32_t version);
+
+void wlr_ext_foreign_toplevel_request_source_v1_request(
+	struct wlr_ext_foreign_toplevel_request_source_v1 *source, struct wlr_ext_foreign_toplevel_request_v1 *request);
+#endif

protocol/meson.build

@@ -29,6 +29,7 @@ protocols = {
 	'cursor-shape-v1': wl_protocol_dir / 'staging/cursor-shape/cursor-shape-v1.xml',
 	'drm-lease-v1': wl_protocol_dir / 'staging/drm-lease/drm-lease-v1.xml',
 	'ext-foreign-toplevel-list-v1': wl_protocol_dir / 'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml',
+	'ext-foreign-toplevel-request-v1': wl_protocol_dir / 'staging/ext-foreign-toplevel-request/ext-foreign-toplevel-request-v1.xml',
 	'ext-idle-notify-v1': wl_protocol_dir / 'staging/ext-idle-notify/ext-idle-notify-v1.xml',
 	'ext-image-capture-source-v1': wl_protocol_dir / 'staging/ext-image-capture-source/ext-image-capture-source-v1.xml',
 	'ext-image-copy-capture-v1': wl_protocol_dir / 'staging/ext-image-copy-capture/ext-image-copy-capture-v1.xml',

types/meson.build

@@ -48,6 +48,7 @@ wlr_files += files(
 	'wlr_foreign_toplevel_management_v1.c',
 	'wlr_ext_image_copy_capture_v1.c',
 	'wlr_ext_foreign_toplevel_list_v1.c',
+	'wlr_ext_foreign_toplevel_request_v1.c',
 	'wlr_ext_data_control_v1.c',
 	'wlr_fractional_scale_v1.c',
 	'wlr_gamma_control_v1.c',

types/wlr_ext_foreign_toplevel_request_v1.c

@@ -0,0 +1,298 @@
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <types/wlr_foreign_toplevel.h>
+#include <wlr/types/wlr_ext_foreign_toplevel_request_v1.h>
+#include "ext-foreign-toplevel-request-v1-protocol.h"
+
+#define FOREIGN_TOPLEVEL_REQUEST_V1_VERSION 1
+
+struct ext_foreign_toplevel_request_v1_interface foreign_toplevel_request_v1_impl;
+static struct wlr_ext_foreign_toplevel_request_v1 *
+		foreign_toplevel_request_v1_from_resource(struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_v1_interface, &foreign_toplevel_request_v1_impl));
+	return wl_resource_get_user_data(resource);
+}
+
+static void foreign_toplevel_request_v1_destroy(struct wl_client *client, struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_v1_interface, &foreign_toplevel_request_v1_impl));
+	wl_resource_destroy(resource);
+}
+
+static void foreign_toplevel_request_v1_resource_destroy(struct wl_resource *resource) {
+	struct wlr_ext_foreign_toplevel_request_v1 *request =
+		foreign_toplevel_request_v1_from_resource(resource);
+	wl_signal_emit_mutable(&request->events.destroy, NULL);
+	free(request);
+}
+
+struct ext_foreign_toplevel_request_v1_interface foreign_toplevel_request_v1_impl = {
+	.destroy = foreign_toplevel_request_v1_destroy,
+};
+
+static const struct ext_foreign_toplevel_request_manager_v1_interface foreign_toplevel_request_manager_v1_impl;
+static struct wlr_ext_foreign_toplevel_request_manager_v1 *
+		foreign_toplevel_request_manager_v1_from_resource(struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_manager_v1_interface,
+		&foreign_toplevel_request_manager_v1_impl));
+	return wl_resource_get_user_data(resource);
+}
+
+static void foreign_toplevel_request_manager_request(
+		struct wl_client *client, struct wl_resource *resource, uint32_t request) {
+	struct wlr_ext_foreign_toplevel_request_manager_v1 *manager
+		= foreign_toplevel_request_manager_v1_from_resource(resource);
+	struct wlr_ext_foreign_toplevel_request_v1 *wlr_request = calloc(1, sizeof(*wlr_request));
+	if (!wlr_request) {
+		wl_resource_post_no_memory(resource);
+		return;
+	}
+
+	wlr_request->manager = resource;
+	wlr_request->resource = wl_resource_create(client,
+		&ext_foreign_toplevel_request_v1_interface,
+		ext_foreign_toplevel_request_v1_interface.version, request);
+	if (!wlr_request->resource) {
+		wl_resource_post_no_memory(resource);
+		free(wlr_request);
+		return;
+	}
+
+	wl_signal_init(&wlr_request->events.destroy);
+
+	wl_resource_set_implementation(wlr_request->resource, &foreign_toplevel_request_v1_impl,
+		wlr_request, foreign_toplevel_request_v1_resource_destroy);
+
+	wl_signal_emit_mutable(&manager->events.request, wlr_request);
+}
+
+static void foreign_toplevel_request_manager_destroy(
+		struct wl_client *client, struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_manager_v1_interface,
+		&foreign_toplevel_request_manager_v1_impl));
+
+	wl_resource_destroy(resource);
+}
+
+static const struct ext_foreign_toplevel_request_manager_v1_interface foreign_toplevel_request_manager_v1_impl = {
+	.request = foreign_toplevel_request_manager_request,
+	.destroy = foreign_toplevel_request_manager_destroy
+};
+
+static void foreign_toplevel_request_manager_resource_destroy(struct wl_resource *resource) {
+	wl_list_remove(wl_resource_get_link(resource));
+}
+
+static void foreign_toplevel_request_manager_bind(
+		struct wl_client *client, void *data, uint32_t version, uint32_t id) {
+	struct wlr_ext_foreign_toplevel_request_manager_v1 *manager = data;
+	struct wl_resource *resource = wl_resource_create(client,
+			&ext_foreign_toplevel_request_manager_v1_interface, version, id);
+	if (!resource) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	wl_resource_set_implementation(resource, &foreign_toplevel_request_manager_v1_impl,
+			manager, foreign_toplevel_request_manager_resource_destroy);
+	wl_list_insert(&manager->resources, wl_resource_get_link(resource));
+}
+
+static void manager_handle_display_destroy(struct wl_listener *listener, void *data) {
+	struct wlr_ext_foreign_toplevel_request_manager_v1 *manager =
+		wl_container_of(listener, manager, display_destroy);
+	wl_signal_emit_mutable(&manager->events.destroy, NULL);
+
+	assert(wl_list_empty(&manager->events.destroy.listener_list));
+
+	wl_list_remove(&manager->display_destroy.link);
+	wl_global_destroy(manager->global);
+	free(manager);
+}
+
+struct wlr_ext_foreign_toplevel_request_manager_v1 *
+		wlr_ext_foreign_toplevel_request_manager_v1_create(struct wl_display *display, uint32_t version) {
+	assert(version <= FOREIGN_TOPLEVEL_REQUEST_V1_VERSION);
+
+	struct wlr_ext_foreign_toplevel_request_manager_v1 *manager = calloc(1, sizeof(*manager));
+	if (!manager) {
+		return NULL;
+	}
+
+	manager->global = wl_global_create(display,
+		&ext_foreign_toplevel_request_manager_v1_interface,
+		version, manager, foreign_toplevel_request_manager_bind);
+	if (!manager->global) {
+		free(manager);
+		return NULL;
+	}
+
+	wl_list_init(&manager->resources);
+
+	wl_signal_init(&manager->events.request);
+	wl_signal_init(&manager->events.destroy);
+
+	manager->display_destroy.notify = manager_handle_display_destroy;
+	wl_display_add_destroy_listener(display, &manager->display_destroy);
+
+	return manager;
+}
+
+struct wl_resource *create_toplevel_resource_for_resource(
+		struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, struct wl_resource *list_resource);
+
+void wlr_ext_foreign_toplevel_request_v1_send_toplevel(
+		struct wlr_ext_foreign_toplevel_request_v1 *request, struct wlr_ext_foreign_toplevel_handle_v1 *toplevel) {
+	struct wl_resource *resource = foreign_toplevel_create_resource_for_client(
+			toplevel, wl_resource_get_client(request->manager));
+	ext_foreign_toplevel_request_v1_send_toplevel(request->resource, resource);
+	foreign_toplevel_send_details_to_resource(toplevel, resource);
+}
+
+void wlr_ext_foreign_toplevel_request_v1_cancel(struct wlr_ext_foreign_toplevel_request_v1 *request) {
+	ext_foreign_toplevel_request_v1_send_cancelled(request->resource);
+}
+
+struct ext_foreign_toplevel_request_source_v1_interface foreign_toplevel_request_source_v1_impl;
+static void foreign_toplevel_request_source_destroy(
+		struct wl_client *client, struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_source_v1_interface,
+		&foreign_toplevel_request_source_v1_impl));
+
+	wl_resource_destroy(resource);
+}
+
+struct ext_foreign_toplevel_request_source_v1_interface foreign_toplevel_request_source_v1_impl = {
+	.destroy = foreign_toplevel_request_source_destroy
+};
+
+static void source_handle_display_destroy(struct wl_listener *listener, void *data) {
+	struct wlr_ext_foreign_toplevel_request_source_v1 *source =
+		wl_container_of(listener, source, display_destroy);
+	wl_signal_emit_mutable(&source->events.destroy, NULL);
+
+	assert(wl_list_empty(&source->events.destroy.listener_list));
+
+	wl_list_remove(&source->display_destroy.link);
+	wl_global_destroy(source->global);
+	free(source);
+}
+
+static void foreign_toplevel_request_source_resource_destroy(struct wl_resource *resource) {
+	wl_list_remove(wl_resource_get_link(resource));
+}
+
+static void foreign_toplevel_request_source_bind(
+		struct wl_client *client, void *data, uint32_t version, uint32_t id) {
+	struct wlr_ext_foreign_toplevel_request_source_v1 *source = data;
+	struct wl_resource *resource = wl_resource_create(client,
+		&ext_foreign_toplevel_request_source_v1_interface, version, id);
+	if (!resource) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	wl_resource_set_implementation(resource, &foreign_toplevel_request_source_v1_impl,
+			source, foreign_toplevel_request_source_resource_destroy);
+	wl_list_insert(&source->resources, wl_resource_get_link(resource));
+}
+
+struct wlr_ext_foreign_toplevel_request_source_v1 *
+		wlr_ext_foreign_toplevel_request_source_v1_create(struct wl_display *display, uint32_t version) {
+	assert(version <= FOREIGN_TOPLEVEL_REQUEST_V1_VERSION);
+
+	struct wlr_ext_foreign_toplevel_request_source_v1 *source = calloc(1, sizeof(*source));
+	if (!source) {
+		return NULL;
+	}
+
+	source->global = wl_global_create(display,
+		&ext_foreign_toplevel_request_source_v1_interface,
+		version, source, foreign_toplevel_request_source_bind);
+	if (!source->global) {
+		free(source);
+		return NULL;
+	}
+
+	wl_list_init(&source->resources);
+
+	wl_signal_init(&source->events.toplevel);
+	wl_signal_init(&source->events.cancel);
+	wl_signal_init(&source->events.destroy);
+
+	source->display_destroy.notify = source_handle_display_destroy;
+	wl_display_add_destroy_listener(display, &source->display_destroy);
+
+	return source;
+}
+
+struct ext_foreign_toplevel_request_pending_v1_interface foreign_toplevel_request_pending_v1_impl;
+static struct wlr_ext_foreign_toplevel_request_pending_v1 *
+		foreign_toplevel_request_pending_v1_from_resource(struct wl_resource *resource) {
+	assert(wl_resource_instance_of(resource,
+		&ext_foreign_toplevel_request_pending_v1_interface, &foreign_toplevel_request_pending_v1_impl));
+	return wl_resource_get_user_data(resource);
+}
+
+static void foreign_toplevel_request_pending_v1_resource_destroy(struct wl_resource *resource) {
+	free(foreign_toplevel_request_pending_v1_from_resource(resource));
+}
+
+static void foreign_toplevel_request_pending_toplevel(
+		struct wl_client *client, struct wl_resource *resource, struct wl_resource *toplevel) {
+	struct wlr_ext_foreign_toplevel_request_pending_v1 *response =
+		foreign_toplevel_request_pending_v1_from_resource(resource);
+	response->handle = wlr_ext_foreign_toplevel_handle_v1_from_resource(toplevel);
+
+	wl_signal_emit_mutable(&response->source->events.toplevel, response);
+	wl_resource_destroy(resource);
+}
+
+static void foreign_toplevel_request_pending_cancel(
+		struct wl_client *client, struct wl_resource *resource) {
+	struct wlr_ext_foreign_toplevel_request_pending_v1 *response =
+		foreign_toplevel_request_pending_v1_from_resource(resource);
+
+	wl_signal_emit_mutable(&response->source->events.cancel, response);
+	wl_resource_destroy(resource);
+}
+
+struct ext_foreign_toplevel_request_pending_v1_interface foreign_toplevel_request_pending_v1_impl = {
+	.toplevel = foreign_toplevel_request_pending_toplevel,
+	.cancel = foreign_toplevel_request_pending_cancel
+};
+
+#include <stdio.h>
+
+void wlr_ext_foreign_toplevel_request_source_v1_request(
+		struct wlr_ext_foreign_toplevel_request_source_v1 *source, struct wlr_ext_foreign_toplevel_request_v1 *request) {
+	struct wlr_ext_foreign_toplevel_request_pending_v1 *response = calloc(1, sizeof(*response));
+	struct wl_resource *source_resource = wl_container_of(source->resources.next, source_resource, link);
+	if (!response) {
+		wl_client_post_no_memory(wl_resource_get_client(request->resource));
+		return;
+	}
+
+	response->source = source;
+	response->request = request;
+	response->resource = wl_resource_create(wl_resource_get_client(source_resource),
+		&ext_foreign_toplevel_request_pending_v1_interface,
+		ext_foreign_toplevel_request_pending_v1_interface.version, 0);
+	if (!response->resource) {
+		wl_client_post_no_memory(wl_resource_get_client(request->resource));
+		free(response);
+		return;
+	}
+
+	wl_resource_set_implementation(response->resource, &foreign_toplevel_request_pending_v1_impl,
+		response, foreign_toplevel_request_pending_v1_resource_destroy);
+
+	ext_foreign_toplevel_request_source_v1_send_request(source_resource, response->resource);
+
+	return;
+}