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#include <cairo.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "swaybar/config.h"
#include "swaybar/bar.h"
#include "swaybar/tray/icon.h"
#include "swaybar/tray/host.h"
#include "swaybar/tray/item.h"
#include "swaybar/tray/tray.h"
#include "swaybar/tray/watcher.h"
#include "list.h"
#include "log.h"
static int handle_lost_watcher(sd_bus_message *msg,
void *data, sd_bus_error *error) {
char *service, *old_owner, *new_owner;
int ret = sd_bus_message_read(msg, "sss", &service, &old_owner, &new_owner);
if (ret < 0) {
sway_log(SWAY_ERROR, "Failed to parse owner change message: %s", strerror(-ret));
return ret;
}
if (!*new_owner) {
struct swaybar_tray *tray = data;
if (strcmp(service, "org.freedesktop.StatusNotifierWatcher") == 0) {
tray->watcher_xdg = create_watcher("freedesktop", tray->bus);
} else if (strcmp(service, "org.kde.StatusNotifierWatcher") == 0) {
tray->watcher_kde = create_watcher("kde", tray->bus);
}
}
return 0;
}
struct swaybar_tray *create_tray(struct swaybar *bar) {
sway_log(SWAY_DEBUG, "Initializing tray");
sd_bus *bus;
int ret = sd_bus_open_user(&bus);
if (ret < 0) {
sway_log(SWAY_ERROR, "Failed to connect to user bus: %s", strerror(-ret));
return NULL;
}
struct swaybar_tray *tray = calloc(1, sizeof(struct swaybar_tray));
if (!tray) {
return NULL;
}
tray->bar = bar;
tray->bus = bus;
tray->fd = sd_bus_get_fd(tray->bus);
tray->watcher_xdg = create_watcher("freedesktop", tray->bus);
tray->watcher_kde = create_watcher("kde", tray->bus);
ret = sd_bus_match_signal(bus, NULL, "org.freedesktop.DBus",
"/org/freedesktop/DBus", "org.freedesktop.DBus",
"NameOwnerChanged", handle_lost_watcher, tray);
if (ret < 0) {
sway_log(SWAY_ERROR, "Failed to subscribe to unregistering events: %s",
strerror(-ret));
}
tray->items = create_list();
init_host(&tray->host_xdg, "freedesktop", tray);
init_host(&tray->host_kde, "kde", tray);
init_themes(&tray->themes, &tray->basedirs);
return tray;
}
void destroy_tray(struct swaybar_tray *tray) {
if (!tray) {
return;
}
finish_host(&tray->host_xdg);
finish_host(&tray->host_kde);
for (int i = 0; i < tray->items->length; ++i) {
destroy_sni(tray->items->items[i]);
}
list_free(tray->items);
destroy_watcher(tray->watcher_xdg);
destroy_watcher(tray->watcher_kde);
sd_bus_flush_close_unref(tray->bus);
finish_themes(tray->themes, tray->basedirs);
free(tray);
}
void tray_in(int fd, short mask, void *data) {
sd_bus *bus = data;
int ret;
while ((ret = sd_bus_process(bus, NULL)) > 0) {
// This space intentionally left blank
}
if (ret < 0) {
sway_log(SWAY_ERROR, "Failed to process bus: %s", strerror(-ret));
}
}
static int cmp_output(const void *item, const void *cmp_to) {
const struct swaybar_output *output = cmp_to;
if (output->identifier && strcmp(item, output->identifier) == 0) {
return 0;
}
return strcmp(item, output->name);
}
uint32_t render_tray(cairo_t *cairo, struct swaybar_output *output, double *x) {
struct swaybar_config *config = output->bar->config;
if (config->tray_outputs) {
if (list_seq_find(config->tray_outputs, cmp_output, output) == -1) {
return 0;
}
} // else display on all
if ((int)(output->height * output->scale) <= 2 * config->tray_padding) {
return (2 * config->tray_padding + 1) / output->scale;
}
uint32_t max_height = 0;
struct swaybar_tray *tray = output->bar->tray;
for (int i = 0; i < tray->items->length; ++i) {
uint32_t h = render_sni(cairo, output, x, tray->items->items[i]);
if (h > max_height) {
max_height = h;
}
}
return max_height;
}
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