1use pathfinder_geometry::vector::Vector2F;
  2use std::rc::Rc;
  3use std::sync::Arc;
  4
  5struct App {
  6    dispatcher: Arc<dyn super::Dispatcher>,
  7    fonts: Arc<dyn super::FontSystem>,
  8}
  9
 10struct Dispatcher;
 11
 12pub struct Window {
 13    size: Vector2F,
 14    scale_factor: f32,
 15    current_scene: Option<crate::Scene>,
 16    event_handlers: Vec<Box<dyn FnMut(super::Event)>>,
 17    resize_handlers: Vec<Box<dyn FnMut(&mut dyn super::WindowContext)>>,
 18}
 19
 20pub struct WindowContext {}
 21
 22impl App {
 23    fn new() -> Self {
 24        Self {
 25            dispatcher: Arc::new(Dispatcher),
 26            fonts: Arc::new(super::current::FontSystem::new()),
 27        }
 28    }
 29}
 30
 31impl super::App for App {
 32    fn dispatcher(&self) -> Arc<dyn super::Dispatcher> {
 33        self.dispatcher.clone()
 34    }
 35
 36    fn activate(&self, _ignoring_other_apps: bool) {}
 37
 38    fn open_window(
 39        &self,
 40        options: super::WindowOptions,
 41        _executor: Rc<super::executor::Foreground>,
 42    ) -> anyhow::Result<Box<dyn super::Window>> {
 43        Ok(Box::new(Window::new(options.bounds.size())))
 44    }
 45
 46    fn fonts(&self) -> std::sync::Arc<dyn super::FontSystem> {
 47        self.fonts.clone()
 48    }
 49
 50    fn quit(&self) {}
 51}
 52
 53impl Window {
 54    fn new(size: Vector2F) -> Self {
 55        Self {
 56            size,
 57            event_handlers: Vec::new(),
 58            resize_handlers: Vec::new(),
 59            scale_factor: 1.0,
 60            current_scene: None,
 61        }
 62    }
 63}
 64
 65impl super::Dispatcher for Dispatcher {
 66    fn is_main_thread(&self) -> bool {
 67        true
 68    }
 69
 70    fn run_on_main_thread(&self, task: async_task::Runnable) {
 71        task.run();
 72    }
 73}
 74
 75impl super::WindowContext for Window {
 76    fn size(&self) -> Vector2F {
 77        self.size
 78    }
 79
 80    fn scale_factor(&self) -> f32 {
 81        self.scale_factor
 82    }
 83
 84    fn present_scene(&mut self, scene: crate::Scene) {
 85        self.current_scene = Some(scene);
 86    }
 87}
 88
 89impl super::Window for Window {
 90    fn on_event(&mut self, callback: Box<dyn FnMut(crate::Event)>) {
 91        self.event_handlers.push(callback);
 92    }
 93
 94    fn on_resize(&mut self, callback: Box<dyn FnMut(&mut dyn super::WindowContext)>) {
 95        self.resize_handlers.push(callback);
 96    }
 97}
 98
 99pub fn app() -> impl super::App {
100    App::new()
101}