component.cpp

#include "pch.h"
#include "version.h"
#include "guids.h"
#include "core/playback_state.h"
#include "core/control_panel_core.h"
#include "artwork_bridge.h"

// Module instance handle for dialog creation
HINSTANCE g_hInstance = nullptr;

// Declare component version
DECLARE_COMPONENT_VERSION(
    FOO_NOWBAR_DISPLAY_NAME,
    FOO_NOWBAR_VERSION_STRING,
    FOO_NOWBAR_DESCRIPTION
);

// Prevent component from being unloaded (required for proper cleanup)
VALIDATE_COMPONENT_FILENAME("foo_nowbar.dll");

// GDI+ initialization
namespace {
    ULONG_PTR g_gdiplusToken = 0;

    class GdiplusInitializer : public initquit {
    public:
        void on_init() override {
            Gdiplus::GdiplusStartupInput gdiplusStartupInput;
            Gdiplus::GdiplusStartup(&g_gdiplusToken, &gdiplusStartupInput, nullptr);

            // Force early instantiation of PlaybackStateManager to ensure it
            // registers for playback callbacks before any playback starts
            nowbar::PlaybackStateManager::get();

            // Initialize foo_artwork bridge for online artwork support
            init_artwork_bridge();
        }

        void on_quit() override {
            // Unregister foo_artwork callback before other cleanup
            shutdown_artwork_bridge();

            // Clean up static objects while services are still available
            // Order matters: ControlPanelCore first (clears instances & theme callback),
            // then PlaybackStateManager (unregisters from play_callback_manager)
            nowbar::ControlPanelCore::shutdown();
            nowbar::PlaybackStateManager::shutdown();

            // GdiplusShutdown is intentionally NOT called here. DUI element
            // destructors run after initquit::on_quit returns, and they own
            // std::unique_ptr<Gdiplus::Bitmap/Font/SolidBrush> members. Shutting
            // GDI+ down here would cause their destructors to dereference
            // disposed GDI+ state. Windows reclaims GDI+ on process exit.
        }
    };

    static initquit_factory_t<GdiplusInitializer> g_gdiplus_init;
}

// DllMain to capture module instance handle
BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID /*reserved*/) {
    if (reason == DLL_PROCESS_ATTACH) {
        g_hInstance = hModule;
    }
    return TRUE;
}