wanda: restructure directory hierarchy

1 files changed, 103 insertions, 0 deletions

diff --git a/src/wanda/wandad.cpp b/src/wanda/wandad.cpp
new file mode 100644
index 0000000..e39c116
--- /dev/null
+++ b/src/wanda/wandad.cpp
@@ -0,0 +1,103 @@
+#include <wanda/command.hpp>
+#include <wanda/control_interface.hpp>
+#include <wanda/environment.hpp>
+#include <wanda/filesystem.hpp>
+#include <wanda/logging.hpp>
+#include <wanda/optional.hpp>
+#include <wanda/setting.hpp>
+#include <wanda/wallpaper.hpp>
+#include <wanda/xdg.hpp>
+
+#include <asio.hpp>
+#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)
+        : m_wallpapers{wallpapers}
+    {
+    }
+
+    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);
+          wanda::get_logger()->info("changing wallpaper to '{}'", wallpaper.native());
+          wanda::set_wallpaper(wallpaper);
+          break;
+        }
+        default:
+          wanda::get_logger()->error("received unknown command '{}'", static_cast<int>(command.id));
+      }
+    }
+
+  private:
+    std::vector<std::filesystem::path> const & m_wallpapers;
+  };
+
+}  // namespace
+
+int main()
+{
+  using namespace wanda::std_ext;
+
+  wanda::initialize_logger(std::make_shared<spdlog::sinks::stdout_color_sink_st>());
+  wanda::get_logger()->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";
+
+    wanda::get_logger()->info("starting control interface on '{}'", socket_path.native());
+    auto listener = ::listener{list};
+    auto interface = wanda::make_interface(service, socket_path, listener);
+
+    if (!interface)
+    {
+      wanda::get_logger()->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);
+
+    service.run();
+  }) || [&] { wanda::get_logger()->error("wallpaper directory does not exist"); };
+}