Complete server-decoration implementation

2 files changed, 153 insertions, 11 deletions

diff --git a/include/wlr/types/wlr_server_decoration.h b/include/wlr/types/wlr_server_decoration.h
index 11c2511c..059aa77f 100644
--- a/include/wlr/types/wlr_server_decoration.h
+++ b/include/wlr/types/wlr_server_decoration.h
@@ -5,25 +5,45 @@
 
 struct wlr_server_decoration_manager {
 	struct wl_global *wl_global;
+	struct wl_list wl_resources;
 	struct wl_list decorations; // wlr_server_decoration::link
 
+	uint32_t default_mode; // enum org_kde_kwin_server_decoration_manager_mode
+
+	struct {
+		struct wl_signal new_decoration;
+	} events;
+
 	void *data;
 };
 
 struct wlr_server_decoration {
 	struct wl_resource *resource;
+	struct wlr_surface *surface;
 	struct wl_list link;
 
+	// enum org_kde_kwin_server_decoration_manager_mode
+	uint32_t requested_mode;
+	uint32_t sent_mode;
+
 	struct {
 		struct wl_signal destroy;
+		struct wl_signal request_mode;
 	} events;
 
+	struct wl_listener surface_destroy_listener;
+
 	void *data;
 };
 
 struct wlr_server_decoration_manager *wlr_server_decoration_manager_create(
 	struct wl_display *display);
+void wlr_server_decoration_manager_set_default_mode(
+	struct wlr_server_decoration_manager *manager, uint32_t default_mode);
 void wlr_server_decoration_manager_destroy(
 	struct wlr_server_decoration_manager *manager);
 
+void wlr_server_decoration_send_mode(struct wlr_server_decoration *decoration,
+	uint32_t mode);
+
 #endif
diff --git a/types/wlr_server_decoration.c b/types/wlr_server_decoration.c
index 9c34304b..0d276445 100644
--- a/types/wlr_server_decoration.c
+++ b/types/wlr_server_decoration.c
@@ -1,13 +1,131 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <server-decoration-protocol.h>
+#include <wlr/types/wlr_surface.h>
 #include <wlr/types/wlr_server_decoration.h>
+#include <wlr/util/log.h>
+
+static void server_decoration_handle_release(struct wl_client *client,
+		struct wl_resource *resource) {
+	wl_resource_destroy(resource);
+}
+
+static void server_decoration_handle_request_mode(struct wl_client *client,
+		struct wl_resource *resource, uint32_t mode) {
+	struct wlr_server_decoration *decoration =
+		wl_resource_get_user_data(resource);
+	decoration->requested_mode = mode;
+	wl_signal_emit(&decoration->events.request_mode, decoration);
+}
+
+void wlr_server_decoration_send_mode(struct wlr_server_decoration *decoration,
+		uint32_t mode) {
+	if (decoration->sent_mode == mode) {
+		return;
+	}
+	org_kde_kwin_server_decoration_send_mode(decoration->resource, mode);
+	decoration->sent_mode = mode;
+}
+
+static void server_decoration_destroy(
+		struct wlr_server_decoration *decoration) {
+	wl_signal_emit(&decoration->events.destroy, decoration);
+	wl_list_remove(&decoration->surface_destroy_listener.link);
+	wl_resource_set_user_data(decoration->resource, NULL);
+	wl_list_remove(&decoration->link);
+	free(decoration);
+}
+
+static void server_decoration_destroy_resource(struct wl_resource *resource) {
+	struct wlr_server_decoration *decoration =
+		wl_resource_get_user_data(resource);
+	if (decoration != NULL) {
+		server_decoration_destroy(decoration);
+	}
+}
+
+static void server_decoration_handle_surface_destroy(
+		struct wl_listener *listener, void *data) {
+	struct wlr_server_decoration *decoration =
+		wl_container_of(listener, decoration, surface_destroy_listener);
+	server_decoration_destroy(decoration);
+}
+
+static const struct org_kde_kwin_server_decoration_interface
+server_decoration_impl = {
+	.release = server_decoration_handle_release,
+	.request_mode = server_decoration_handle_request_mode,
+};
+
+static void server_decoration_manager_handle_create(struct wl_client *client,
+		struct wl_resource *manager_resource, uint32_t id,
+		struct wl_resource *surface_resource) {
+	struct wlr_server_decoration_manager *manager =
+		wl_resource_get_user_data(manager_resource);
+	struct wlr_surface *surface = wl_resource_get_user_data(surface_resource);
+
+	struct wlr_server_decoration *decoration =
+		calloc(1, sizeof(struct wlr_server_decoration));
+	if (decoration == NULL) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+	decoration->surface = surface;
+	decoration->requested_mode =
+		ORG_KDE_KWIN_SERVER_DECORATION_MANAGER_MODE_NONE;
+
+	int version = wl_resource_get_version(manager_resource);
+	decoration->resource = wl_resource_create(client,
+		&org_kde_kwin_server_decoration_interface, version, id);
+	if (decoration->resource == NULL) {
+		wl_client_post_no_memory(client);
+		free(decoration);
+		return;
+	}
+	wl_resource_set_implementation(decoration->resource,
+		&server_decoration_impl, decoration,
+		server_decoration_destroy_resource);
+
+	wlr_log(L_DEBUG, "new server_decoration %p (res %p)", decoration,
+		decoration->resource);
+
+	wl_signal_init(&decoration->events.destroy);
+	wl_signal_init(&decoration->events.request_mode);
+
+	wl_signal_add(&surface->events.destroy,
+		&decoration->surface_destroy_listener);
+	decoration->surface_destroy_listener.notify =
+		server_decoration_handle_surface_destroy;
+
+	wl_list_insert(&manager->decorations, &decoration->link);
+
+	org_kde_kwin_server_decoration_send_mode(decoration->resource,
+		manager->default_mode);
+	decoration->sent_mode = manager->default_mode;
+
+	wl_signal_emit(&manager->events.new_decoration, decoration);
+}
 
 static const struct org_kde_kwin_server_decoration_manager_interface
 server_decoration_manager_impl = {
-	// TODO
+	.create = server_decoration_manager_handle_create,
 };
 
+void wlr_server_decoration_manager_set_default_mode(
+		struct wlr_server_decoration_manager *manager, uint32_t default_mode) {
+	manager->default_mode = default_mode;
+
+	struct wl_resource *resource;
+	wl_resource_for_each(resource, &manager->wl_resources) {
+		org_kde_kwin_server_decoration_manager_send_default_mode(resource,
+			manager->default_mode);
+	}
+}
+
+void server_decoration_manager_destroy_resource(struct wl_resource *resource) {
+	wl_list_remove(wl_resource_get_link(resource));
+}
+
 static void server_decoration_manager_bind(struct wl_client *client,
 		void *_manager, uint32_t version, uint32_t id) {
 	struct wlr_server_decoration_manager *manager = _manager;
@@ -20,15 +138,12 @@ static void server_decoration_manager_bind(struct wl_client *client,
 		return;
 	}
 	wl_resource_set_implementation(resource, &server_decoration_manager_impl,
-		manager, NULL);
-}
+		manager, server_decoration_manager_destroy_resource);
 
-static void server_decoration_destroy(
-		struct wlr_server_decoration *decoration) {
-	wl_signal_emit(&decoration->events.destroy, decoration);
-	wl_resource_set_user_data(decoration->resource, NULL);
-	wl_list_remove(&decoration->link);
-	free(decoration);
+	wl_list_insert(&manager->wl_resources, wl_resource_get_link(resource));
+
+	org_kde_kwin_server_decoration_manager_send_default_mode(resource,
+		manager->default_mode);
 }
 
 struct wlr_server_decoration_manager *wlr_server_decoration_manager_create(
@@ -45,7 +160,10 @@ struct wlr_server_decoration_manager *wlr_server_decoration_manager_create(
 		free(manager);
 		return NULL;
 	}
+	manager->default_mode = ORG_KDE_KWIN_SERVER_DECORATION_MANAGER_MODE_NONE;
+	wl_list_init(&manager->wl_resources);
 	wl_list_init(&manager->decorations);
+	wl_signal_init(&manager->events.new_decoration);
 	return manager;
 }
 
@@ -54,11 +172,15 @@ void wlr_server_decoration_manager_destroy(
 	if (manager == NULL) {
 		return;
 	}
-	struct wlr_server_decoration *decoration, *tmp;
-	wl_list_for_each_safe(decoration, tmp, &manager->decorations,
+	struct wlr_server_decoration *decoration, *tmp_decoration;
+	wl_list_for_each_safe(decoration, tmp_decoration, &manager->decorations,
 			link) {
 		server_decoration_destroy(decoration);
 	}
+	struct wl_resource *resource, *tmp_resource;
+	wl_resource_for_each_safe(resource, tmp_resource, &manager->wl_resources) {
+		server_decoration_manager_destroy_resource(resource);
+	}
 	wl_global_destroy(manager->wl_global);
 	free(manager);
 }