131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
#define _XOPEN_SOURCE 700
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/util/list.h>
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#include <wlr/util/log.h>
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#include <wlr/types/wlr_data_source.h>
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#include <wlr/types/wlr_data_device_manager.h>
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#include <wlr/interfaces/wlr_data_source.h>
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bool wlr_data_source_init(struct wlr_data_source *source,
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struct wlr_data_source_impl *impl) {
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source->impl = impl;
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wl_signal_init(&source->events.destroy);
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return (source->types = list_create());
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}
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void wlr_data_source_finish(struct wlr_data_source *source) {
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if (source) {
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wl_signal_emit(&source->events.destroy, source);
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if (source->types) {
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list_foreach(source->types, free);
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}
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list_free(source->types);
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}
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}
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void wlr_data_source_send(struct wlr_data_source *src, const char *type, int fd) {
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assert(src && src->impl && src->impl->send);
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src->impl->send(src, type, fd);
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}
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void wlr_data_source_accepted(struct wlr_data_source *src, const char *type) {
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assert(src && src->impl);
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if (src->impl->accepted) {
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src->impl->accepted(src, type);
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}
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}
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void wlr_data_source_cancelled(struct wlr_data_source *src) {
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assert(src && src->impl);
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if (src->impl->cancelled) {
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src->impl->cancelled(src);
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}
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}
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static void data_source_send(struct wlr_data_source *src,
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const char *type, int fd) {
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struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
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wl_data_source_send_send(wl_src->resource, type, fd);
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close(fd);
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}
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static void data_source_accepted(struct wlr_data_source *src, const char *type) {
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struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
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wl_data_source_send_target(wl_src->resource, type);
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}
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static void data_source_cancelled(struct wlr_data_source *src) {
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struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
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wl_data_source_send_cancelled(wl_src->resource);
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}
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static struct wlr_data_source_impl data_source_wl_impl = {
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.send = data_source_send,
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.accepted = data_source_accepted,
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.cancelled = data_source_cancelled,
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};
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static void data_source_offer(struct wl_client *client, struct wl_resource *resource,
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const char *type) {
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struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
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char *dtype = strdup(type);
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if (!dtype) {
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wl_resource_post_no_memory(resource);
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return;
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}
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list_add(src->base.types, dtype);
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}
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static void data_source_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static struct wl_data_source_interface wl_data_source_impl = {
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.offer = data_source_offer,
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.destroy = data_source_destroy
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};
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static void destroy_wl_data_source(struct wl_resource *resource) {
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struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
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wlr_data_source_finish(&src->base);
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free(src);
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}
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struct wlr_wl_data_source *wlr_wl_data_source_create(
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struct wl_client *client,
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uint32_t version, uint32_t id) {
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struct wlr_wl_data_source *src = calloc(1, sizeof(*src));
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if (!src) {
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wlr_log(L_ERROR, "Failed to allocator wlr_wl_data_source");
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wl_client_post_no_memory(client);
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return NULL;
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}
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if (!wlr_data_source_init(&src->base, &data_source_wl_impl)) {
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wlr_log(L_ERROR, "Failed to init wlr_wl_data_source");
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wl_client_post_no_memory(client);
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goto err;
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}
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if (!(src->resource = wl_resource_create(client, &wl_data_source_interface,
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version, id))) {
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wlr_log(L_ERROR, "Failed to create wl_resource for wlr_wl_data_source");
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wl_client_post_no_memory(client);
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goto err;
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}
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wl_resource_set_implementation(src->resource, &wl_data_source_impl, src,
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destroy_wl_data_source);
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return src;
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err:
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wlr_data_source_finish(&src->base);
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free(src);
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return NULL;
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}
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