1use crate::ClipboardItem;
2use parking_lot::Mutex;
3use pathfinder_geometry::vector::Vector2F;
4use std::{
5 any::Any,
6 cell::RefCell,
7 path::{Path, PathBuf},
8 rc::Rc,
9 sync::Arc,
10};
11
12pub(crate) struct Platform {
13 dispatcher: Arc<dyn super::Dispatcher>,
14 fonts: Arc<dyn super::FontSystem>,
15 current_clipboard_item: Mutex<Option<ClipboardItem>>,
16}
17
18#[derive(Default)]
19pub(crate) struct MainThreadPlatform {
20 last_prompt_for_new_path_args: RefCell<Option<(PathBuf, Box<dyn FnOnce(Option<PathBuf>)>)>>,
21}
22
23struct Dispatcher;
24
25pub struct Window {
26 size: Vector2F,
27 scale_factor: f32,
28 current_scene: Option<crate::Scene>,
29 event_handlers: Vec<Box<dyn FnMut(super::Event)>>,
30 resize_handlers: Vec<Box<dyn FnMut(&mut dyn super::WindowContext)>>,
31 close_handlers: Vec<Box<dyn FnOnce()>>,
32 pub(crate) last_prompt: RefCell<Option<Box<dyn FnOnce(usize)>>>,
33}
34
35impl MainThreadPlatform {
36 pub(crate) fn simulate_new_path_selection(
37 &self,
38 result: impl FnOnce(PathBuf) -> Option<PathBuf>,
39 ) {
40 let (dir_path, callback) = self
41 .last_prompt_for_new_path_args
42 .take()
43 .expect("prompt_for_new_path was not called");
44 callback(result(dir_path));
45 }
46
47 pub(crate) fn did_prompt_for_new_path(&self) -> bool {
48 self.last_prompt_for_new_path_args.borrow().is_some()
49 }
50}
51
52impl super::MainThreadPlatform for MainThreadPlatform {
53 fn on_become_active(&self, _: Box<dyn FnMut()>) {}
54
55 fn on_resign_active(&self, _: Box<dyn FnMut()>) {}
56
57 fn on_event(&self, _: Box<dyn FnMut(crate::Event) -> bool>) {}
58
59 fn on_open_files(&self, _: Box<dyn FnMut(Vec<std::path::PathBuf>)>) {}
60
61 fn run(&self, _on_finish_launching: Box<dyn FnOnce() -> ()>) {
62 unimplemented!()
63 }
64
65 fn on_menu_command(&self, _: Box<dyn FnMut(&str, Option<&dyn Any>)>) {}
66
67 fn set_menus(&self, _: Vec<crate::Menu>) {}
68
69 fn prompt_for_paths(
70 &self,
71 _: super::PathPromptOptions,
72 _: Box<dyn FnOnce(Option<Vec<std::path::PathBuf>>)>,
73 ) {
74 }
75
76 fn prompt_for_new_path(&self, path: &Path, f: Box<dyn FnOnce(Option<std::path::PathBuf>)>) {
77 *self.last_prompt_for_new_path_args.borrow_mut() = Some((path.to_path_buf(), f));
78 }
79}
80
81impl Platform {
82 fn new() -> Self {
83 Self {
84 dispatcher: Arc::new(Dispatcher),
85 fonts: Arc::new(super::current::FontSystem::new()),
86 current_clipboard_item: Default::default(),
87 }
88 }
89}
90
91impl super::Platform for Platform {
92 fn dispatcher(&self) -> Arc<dyn super::Dispatcher> {
93 self.dispatcher.clone()
94 }
95
96 fn fonts(&self) -> std::sync::Arc<dyn super::FontSystem> {
97 self.fonts.clone()
98 }
99
100 fn activate(&self, _ignoring_other_apps: bool) {}
101
102 fn open_window(
103 &self,
104 _: usize,
105 options: super::WindowOptions,
106 _executor: Rc<super::executor::Foreground>,
107 ) -> Box<dyn super::Window> {
108 Box::new(Window::new(options.bounds.size()))
109 }
110
111 fn key_window_id(&self) -> Option<usize> {
112 None
113 }
114
115 fn quit(&self) {}
116
117 fn write_to_clipboard(&self, item: ClipboardItem) {
118 *self.current_clipboard_item.lock() = Some(item);
119 }
120
121 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
122 self.current_clipboard_item.lock().clone()
123 }
124}
125
126impl Window {
127 fn new(size: Vector2F) -> Self {
128 Self {
129 size,
130 event_handlers: Vec::new(),
131 resize_handlers: Vec::new(),
132 close_handlers: Vec::new(),
133 scale_factor: 1.0,
134 current_scene: None,
135 last_prompt: RefCell::new(None),
136 }
137 }
138}
139
140impl super::Dispatcher for Dispatcher {
141 fn is_main_thread(&self) -> bool {
142 true
143 }
144
145 fn run_on_main_thread(&self, task: async_task::Runnable) {
146 task.run();
147 }
148}
149
150impl super::WindowContext for Window {
151 fn size(&self) -> Vector2F {
152 self.size
153 }
154
155 fn scale_factor(&self) -> f32 {
156 self.scale_factor
157 }
158
159 fn present_scene(&mut self, scene: crate::Scene) {
160 self.current_scene = Some(scene);
161 }
162}
163
164impl super::Window for Window {
165 fn as_any_mut(&mut self) -> &mut dyn Any {
166 self
167 }
168
169 fn on_event(&mut self, callback: Box<dyn FnMut(crate::Event)>) {
170 self.event_handlers.push(callback);
171 }
172
173 fn on_resize(&mut self, callback: Box<dyn FnMut(&mut dyn super::WindowContext)>) {
174 self.resize_handlers.push(callback);
175 }
176
177 fn on_close(&mut self, callback: Box<dyn FnOnce()>) {
178 self.close_handlers.push(callback);
179 }
180
181 fn prompt(&self, _: crate::PromptLevel, _: &str, _: &[&str], f: Box<dyn FnOnce(usize)>) {
182 self.last_prompt.replace(Some(f));
183 }
184}
185
186pub(crate) fn main_thread_platform() -> MainThreadPlatform {
187 MainThreadPlatform::default()
188}
189
190pub(crate) fn platform() -> Platform {
191 Platform::new()
192}