1use pathfinder_geometry::vector::Vector2F;
  2use std::rc::Rc;
  3use std::sync::Arc;
  4
  5struct Platform {
  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 Platform {
 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::Platform for Platform {
 32    fn on_menu_command(&self, _: Box<dyn FnMut(&str)>) {}
 33
 34    fn on_become_active(&self, _: Box<dyn FnMut()>) {}
 35
 36    fn on_resign_active(&self, _: Box<dyn FnMut()>) {}
 37
 38    fn on_event(&self, _: Box<dyn FnMut(crate::Event) -> bool>) {}
 39
 40    fn on_open_files(&self, _: Box<dyn FnMut(Vec<std::path::PathBuf>)>) {}
 41
 42    fn run(&self, _on_finish_launching: Box<dyn FnOnce() -> ()>) {
 43        unimplemented!()
 44    }
 45
 46    fn dispatcher(&self) -> Arc<dyn super::Dispatcher> {
 47        self.dispatcher.clone()
 48    }
 49
 50    fn fonts(&self) -> std::sync::Arc<dyn super::FontSystem> {
 51        self.fonts.clone()
 52    }
 53
 54    fn activate(&self, _ignoring_other_apps: bool) {}
 55
 56    fn open_window(
 57        &self,
 58        options: super::WindowOptions,
 59        _executor: Rc<super::executor::Foreground>,
 60    ) -> anyhow::Result<Box<dyn super::Window>> {
 61        Ok(Box::new(Window::new(options.bounds.size())))
 62    }
 63
 64    fn set_menus(&self, _menus: &[crate::Menu]) {}
 65
 66    fn quit(&self) {}
 67
 68    fn prompt_for_paths(&self, _: super::PathPromptOptions) -> Option<Vec<std::path::PathBuf>> {
 69        None
 70    }
 71
 72    fn copy(&self, _: &str) {}
 73}
 74
 75impl Window {
 76    fn new(size: Vector2F) -> Self {
 77        Self {
 78            size,
 79            event_handlers: Vec::new(),
 80            resize_handlers: Vec::new(),
 81            scale_factor: 1.0,
 82            current_scene: None,
 83        }
 84    }
 85}
 86
 87impl super::Dispatcher for Dispatcher {
 88    fn is_main_thread(&self) -> bool {
 89        true
 90    }
 91
 92    fn run_on_main_thread(&self, task: async_task::Runnable) {
 93        task.run();
 94    }
 95}
 96
 97impl super::WindowContext for Window {
 98    fn size(&self) -> Vector2F {
 99        self.size
100    }
101
102    fn scale_factor(&self) -> f32 {
103        self.scale_factor
104    }
105
106    fn present_scene(&mut self, scene: crate::Scene) {
107        self.current_scene = Some(scene);
108    }
109}
110
111impl super::Window for Window {
112    fn on_event(&mut self, callback: Box<dyn FnMut(crate::Event)>) {
113        self.event_handlers.push(callback);
114    }
115
116    fn on_resize(&mut self, callback: Box<dyn FnMut(&mut dyn super::WindowContext)>) {
117        self.resize_handlers.push(callback);
118    }
119}
120
121pub fn platform() -> impl super::Platform {
122    Platform::new()
123}