1use crate::{
2 AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId, ForegroundExecutor,
3 Keymap, Platform, PlatformDisplay, PlatformTextSystem, Scene, TestDisplay, TestWindow,
4 WindowOptions,
5};
6use anyhow::{anyhow, Result};
7use collections::VecDeque;
8use futures::channel::oneshot;
9use parking_lot::Mutex;
10use std::{
11 cell::RefCell,
12 path::PathBuf,
13 rc::{Rc, Weak},
14 sync::Arc,
15 time::Duration,
16};
17
18pub struct TestPlatform {
19 background_executor: BackgroundExecutor,
20 foreground_executor: ForegroundExecutor,
21
22 active_window: Arc<Mutex<Option<AnyWindowHandle>>>,
23 active_display: Rc<dyn PlatformDisplay>,
24 active_cursor: Mutex<CursorStyle>,
25 current_clipboard_item: Mutex<Option<ClipboardItem>>,
26 pub(crate) prompts: RefCell<TestPrompts>,
27 weak: Weak<Self>,
28}
29
30#[derive(Default)]
31pub(crate) struct TestPrompts {
32 multiple_choice: VecDeque<oneshot::Sender<usize>>,
33 new_path: VecDeque<(PathBuf, oneshot::Sender<Option<PathBuf>>)>,
34}
35
36impl TestPlatform {
37 pub fn new(executor: BackgroundExecutor, foreground_executor: ForegroundExecutor) -> Rc<Self> {
38 Rc::new_cyclic(|weak| TestPlatform {
39 background_executor: executor,
40 foreground_executor,
41 prompts: Default::default(),
42 active_cursor: Default::default(),
43 active_display: Rc::new(TestDisplay::new()),
44 active_window: Default::default(),
45 current_clipboard_item: Mutex::new(None),
46 weak: weak.clone(),
47 })
48 }
49
50 pub(crate) fn simulate_new_path_selection(
51 &self,
52 select_path: impl FnOnce(&std::path::Path) -> Option<std::path::PathBuf>,
53 ) {
54 let (path, tx) = self
55 .prompts
56 .borrow_mut()
57 .new_path
58 .pop_front()
59 .expect("no pending new path prompt");
60 tx.send(select_path(&path)).ok();
61 }
62
63 pub(crate) fn simulate_prompt_answer(&self, response_ix: usize) {
64 let tx = self
65 .prompts
66 .borrow_mut()
67 .multiple_choice
68 .pop_front()
69 .expect("no pending multiple choice prompt");
70 tx.send(response_ix).ok();
71 }
72
73 pub(crate) fn has_pending_prompt(&self) -> bool {
74 !self.prompts.borrow().multiple_choice.is_empty()
75 }
76
77 pub(crate) fn prompt(&self) -> oneshot::Receiver<usize> {
78 let (tx, rx) = oneshot::channel();
79 self.prompts.borrow_mut().multiple_choice.push_back(tx);
80 rx
81 }
82}
83
84// todo!("implement out what our tests needed in GPUI 1")
85impl Platform for TestPlatform {
86 fn background_executor(&self) -> BackgroundExecutor {
87 self.background_executor.clone()
88 }
89
90 fn foreground_executor(&self) -> ForegroundExecutor {
91 self.foreground_executor.clone()
92 }
93
94 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
95 Arc::new(crate::platform::mac::MacTextSystem::new())
96 }
97
98 fn run(&self, _on_finish_launching: Box<dyn FnOnce()>) {
99 unimplemented!()
100 }
101
102 fn quit(&self) {}
103
104 fn restart(&self) {
105 unimplemented!()
106 }
107
108 fn activate(&self, _ignoring_other_apps: bool) {
109 unimplemented!()
110 }
111
112 fn hide(&self) {
113 unimplemented!()
114 }
115
116 fn hide_other_apps(&self) {
117 unimplemented!()
118 }
119
120 fn unhide_other_apps(&self) {
121 unimplemented!()
122 }
123
124 fn displays(&self) -> Vec<std::rc::Rc<dyn crate::PlatformDisplay>> {
125 vec![self.active_display.clone()]
126 }
127
128 fn display(&self, id: DisplayId) -> Option<std::rc::Rc<dyn crate::PlatformDisplay>> {
129 self.displays().iter().find(|d| d.id() == id).cloned()
130 }
131
132 fn active_window(&self) -> Option<crate::AnyWindowHandle> {
133 self.active_window.lock().clone()
134 }
135
136 fn open_window(
137 &self,
138 handle: AnyWindowHandle,
139 options: WindowOptions,
140 _draw: Box<dyn FnMut() -> Result<Scene>>,
141 ) -> Box<dyn crate::PlatformWindow> {
142 *self.active_window.lock() = Some(handle);
143 Box::new(TestWindow::new(
144 options,
145 self.weak.clone(),
146 self.active_display.clone(),
147 ))
148 }
149
150 fn set_display_link_output_callback(
151 &self,
152 _display_id: DisplayId,
153 mut callback: Box<dyn FnMut(&crate::VideoTimestamp, &crate::VideoTimestamp) + Send>,
154 ) {
155 let timestamp = crate::VideoTimestamp {
156 version: 0,
157 video_time_scale: 0,
158 video_time: 0,
159 host_time: 0,
160 rate_scalar: 0.0,
161 video_refresh_period: 0,
162 smpte_time: crate::SmtpeTime::default(),
163 flags: 0,
164 reserved: 0,
165 };
166 callback(×tamp, ×tamp)
167 }
168
169 fn start_display_link(&self, _display_id: DisplayId) {}
170
171 fn stop_display_link(&self, _display_id: DisplayId) {}
172
173 fn open_url(&self, _url: &str) {
174 unimplemented!()
175 }
176
177 fn on_open_urls(&self, _callback: Box<dyn FnMut(Vec<String>)>) {
178 unimplemented!()
179 }
180
181 fn prompt_for_paths(
182 &self,
183 _options: crate::PathPromptOptions,
184 ) -> oneshot::Receiver<Option<Vec<std::path::PathBuf>>> {
185 unimplemented!()
186 }
187
188 fn prompt_for_new_path(
189 &self,
190 directory: &std::path::Path,
191 ) -> oneshot::Receiver<Option<std::path::PathBuf>> {
192 let (tx, rx) = oneshot::channel();
193 self.prompts
194 .borrow_mut()
195 .new_path
196 .push_back((directory.to_path_buf(), tx));
197 rx
198 }
199
200 fn reveal_path(&self, _path: &std::path::Path) {
201 unimplemented!()
202 }
203
204 fn on_become_active(&self, _callback: Box<dyn FnMut()>) {}
205
206 fn on_resign_active(&self, _callback: Box<dyn FnMut()>) {}
207
208 fn on_quit(&self, _callback: Box<dyn FnMut()>) {}
209
210 fn on_reopen(&self, _callback: Box<dyn FnMut()>) {
211 unimplemented!()
212 }
213
214 fn on_event(&self, _callback: Box<dyn FnMut(crate::InputEvent) -> bool>) {
215 unimplemented!()
216 }
217
218 fn set_menus(&self, _menus: Vec<crate::Menu>, _keymap: &Keymap) {}
219
220 fn on_app_menu_action(&self, _callback: Box<dyn FnMut(&dyn crate::Action)>) {}
221
222 fn on_will_open_app_menu(&self, _callback: Box<dyn FnMut()>) {}
223
224 fn on_validate_app_menu_command(&self, _callback: Box<dyn FnMut(&dyn crate::Action) -> bool>) {}
225
226 fn os_name(&self) -> &'static str {
227 "test"
228 }
229
230 fn os_version(&self) -> Result<crate::SemanticVersion> {
231 Err(anyhow!("os_version called on TestPlatform"))
232 }
233
234 fn app_version(&self) -> Result<crate::SemanticVersion> {
235 Err(anyhow!("app_version called on TestPlatform"))
236 }
237
238 fn app_path(&self) -> Result<std::path::PathBuf> {
239 unimplemented!()
240 }
241
242 fn local_timezone(&self) -> time::UtcOffset {
243 unimplemented!()
244 }
245
246 fn path_for_auxiliary_executable(&self, _name: &str) -> Result<std::path::PathBuf> {
247 unimplemented!()
248 }
249
250 fn set_cursor_style(&self, style: crate::CursorStyle) {
251 *self.active_cursor.lock() = style;
252 }
253
254 fn should_auto_hide_scrollbars(&self) -> bool {
255 // todo()
256 true
257 }
258
259 fn write_to_clipboard(&self, item: ClipboardItem) {
260 *self.current_clipboard_item.lock() = Some(item);
261 }
262
263 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
264 self.current_clipboard_item.lock().clone()
265 }
266
267 fn write_credentials(&self, _url: &str, _username: &str, _password: &[u8]) -> Result<()> {
268 Ok(())
269 }
270
271 fn read_credentials(&self, _url: &str) -> Result<Option<(String, Vec<u8>)>> {
272 Ok(None)
273 }
274
275 fn delete_credentials(&self, _url: &str) -> Result<()> {
276 Ok(())
277 }
278
279 fn double_click_interval(&self) -> std::time::Duration {
280 Duration::from_millis(500)
281 }
282}