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#include "command.hpp"
#include "control_interface.hpp"
#include "environment.hpp"
#include "filesystem.hpp"
#include "optional.hpp"
#include "setting.hpp"
#include "wallpaper.hpp"
#include "xdg.hpp"
#include <asio.hpp>
#include <spdlog/spdlog.h>
#include <spdlog/sinks/stdout_color_sinks.h>
#include <csignal>
#include <set>
#include <string>
namespace
{
constexpr auto image_filter = [](auto const &path) {
static auto const extensions = std::set<std::filesystem::path>{
std::filesystem::path{".jpg"},
std::filesystem::path{".png"},
};
if (!std::filesystem::is_regular_file(path))
{
return false;
}
return extensions.find(path.extension()) != extensions.cend();
};
struct listener : wanda::control_interface::listener
{
listener(std::vector<std::filesystem::path> const &wallpapers, std::shared_ptr<spdlog::logger> logger)
: m_wallpapers{wallpapers},
m_logger{logger}
{
}
void on_received(wanda::control_interface &interface, wanda::command command) override
{
switch (command.id)
{
case wanda::command_id::change:
{
auto wallpaper = wanda::random_pick(m_wallpapers);
m_logger->info("changing wallpaper to '{}'", wallpaper.native());
wanda::set_wallpaper(wallpaper, m_logger);
break;
}
default:
m_logger->error("received unknown command '{}'", static_cast<int>(command.id));
}
}
private:
std::vector<std::filesystem::path> const &m_wallpapers;
std::shared_ptr<spdlog::logger> m_logger;
};
} // namespace
int main()
{
using namespace wanda::std_ext;
auto log = spdlog::stdout_color_mt("wandad");
log->info("wanda is starting up");
with(wanda::scan({"/usr/share/backgrounds"}, image_filter), [&](auto const &list) {
auto service = asio::io_service{};
auto socket_path = wanda::xdg_path_for(wanda::xdg_directory::runtime_dir, wanda::environment{}) / ".wanda_interface";
log->info("starting control interface on '{}'", socket_path.native());
auto listener = ::listener{list, log};
auto interface = wanda::make_interface(service, socket_path, listener, log);
if (!interface)
{
log->error("failed to start control interface");
return;
}
if (interface->start())
{
return;
}
auto signals = asio::signal_set{service, SIGINT};
signals.async_wait([&](auto const &error, auto const signal) {
if (!error && signal == SIGINT)
{
interface->shutdown();
service.stop();
}
});
auto wallpaper = wanda::random_pick(list);
wanda::set_wallpaper(wallpaper, log);
service.run();
}) ||
[&] { log->error("wallpaper directory does not exist"); };
}
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