platform.rs

  1#![allow(unused)]
  2
  3use std::{
  4    path::{Path, PathBuf},
  5    rc::Rc,
  6    sync::Arc,
  7    time::Duration,
  8};
  9
 10use async_task::Runnable;
 11use futures::channel::oneshot;
 12use parking_lot::Mutex;
 13use time::UtcOffset;
 14
 15use collections::{HashMap, HashSet};
 16
 17use crate::platform::linux::client::Client;
 18use crate::platform::linux::client_dispatcher::ClientDispatcher;
 19use crate::platform::{X11Client, X11ClientDispatcher, XcbAtoms};
 20use crate::{
 21    Action, AnyWindowHandle, BackgroundExecutor, Bounds, ClipboardItem, CursorStyle, DisplayId,
 22    ForegroundExecutor, Keymap, LinuxDispatcher, LinuxTextSystem, Menu, PathPromptOptions,
 23    Platform, PlatformDisplay, PlatformInput, PlatformTextSystem, PlatformWindow, Point, Result,
 24    SemanticVersion, Size, Task, WindowAppearance, WindowOptions, X11Display, X11Window,
 25    X11WindowState,
 26};
 27
 28#[derive(Default)]
 29pub(crate) struct Callbacks {
 30    open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
 31    become_active: Option<Box<dyn FnMut()>>,
 32    resign_active: Option<Box<dyn FnMut()>>,
 33    pub(crate) quit: Option<Box<dyn FnMut()>>,
 34    reopen: Option<Box<dyn FnMut()>>,
 35    event: Option<Box<dyn FnMut(PlatformInput) -> bool>>,
 36    app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
 37    will_open_app_menu: Option<Box<dyn FnMut()>>,
 38    validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
 39}
 40
 41pub(crate) struct LinuxPlatformInner {
 42    pub(crate) background_executor: BackgroundExecutor,
 43    pub(crate) foreground_executor: ForegroundExecutor,
 44    pub(crate) main_receiver: flume::Receiver<Runnable>,
 45    pub(crate) text_system: Arc<LinuxTextSystem>,
 46    pub(crate) callbacks: Mutex<Callbacks>,
 47    pub(crate) state: Mutex<LinuxPlatformState>,
 48}
 49
 50pub(crate) struct LinuxPlatform {
 51    client: Arc<dyn Client>,
 52    inner: Arc<LinuxPlatformInner>,
 53}
 54
 55pub(crate) struct LinuxPlatformState {
 56    pub(crate) quit_requested: bool,
 57}
 58
 59impl Default for LinuxPlatform {
 60    fn default() -> Self {
 61        Self::new()
 62    }
 63}
 64
 65impl LinuxPlatform {
 66    pub(crate) fn new() -> Self {
 67        let (xcb_connection, x_root_index) = xcb::Connection::connect(None).unwrap();
 68        let atoms = XcbAtoms::intern_all(&xcb_connection).unwrap();
 69
 70        let xcb_connection = Arc::new(xcb_connection);
 71        let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
 72        let client_dispatcher: Arc<dyn ClientDispatcher + Send + Sync> =
 73            Arc::new(X11ClientDispatcher::new(&xcb_connection, x_root_index));
 74        let dispatcher = LinuxDispatcher::new(main_sender, &client_dispatcher);
 75        let dispatcher = Arc::new(dispatcher);
 76
 77        let inner = LinuxPlatformInner {
 78            background_executor: BackgroundExecutor::new(dispatcher.clone()),
 79            foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
 80            main_receiver,
 81            text_system: Arc::new(LinuxTextSystem::new()),
 82            callbacks: Mutex::new(Callbacks::default()),
 83            state: Mutex::new(LinuxPlatformState {
 84                quit_requested: false,
 85            }),
 86        };
 87        let inner = Arc::new(inner);
 88
 89        let x11client = X11Client::new(Arc::clone(&inner), xcb_connection, x_root_index, atoms);
 90        let x11client = Arc::new(x11client);
 91
 92        Self {
 93            client: x11client,
 94            inner: Arc::clone(&inner),
 95        }
 96    }
 97}
 98
 99impl Platform for LinuxPlatform {
100    fn background_executor(&self) -> BackgroundExecutor {
101        self.inner.background_executor.clone()
102    }
103
104    fn foreground_executor(&self) -> ForegroundExecutor {
105        self.inner.foreground_executor.clone()
106    }
107
108    fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
109        self.inner.text_system.clone()
110    }
111
112    fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
113        self.client.run(on_finish_launching)
114    }
115
116    fn quit(&self) {
117        self.inner.state.lock().quit_requested = true;
118    }
119
120    //todo!(linux)
121    fn restart(&self) {}
122
123    //todo!(linux)
124    fn activate(&self, ignoring_other_apps: bool) {}
125
126    //todo!(linux)
127    fn hide(&self) {}
128
129    //todo!(linux)
130    fn hide_other_apps(&self) {}
131
132    //todo!(linux)
133    fn unhide_other_apps(&self) {}
134
135    fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
136        self.client.displays()
137    }
138
139    fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
140        self.client.display(id)
141    }
142
143    //todo!(linux)
144    fn active_window(&self) -> Option<AnyWindowHandle> {
145        None
146    }
147
148    fn open_window(
149        &self,
150        handle: AnyWindowHandle,
151        options: WindowOptions,
152    ) -> Box<dyn PlatformWindow> {
153        self.client.open_window(handle, options)
154    }
155
156    fn open_url(&self, url: &str) {
157        unimplemented!()
158    }
159
160    fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
161        self.inner.callbacks.lock().open_urls = Some(callback);
162    }
163
164    fn prompt_for_paths(
165        &self,
166        options: PathPromptOptions,
167    ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
168        unimplemented!()
169    }
170
171    fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
172        unimplemented!()
173    }
174
175    fn reveal_path(&self, path: &Path) {
176        unimplemented!()
177    }
178
179    fn on_become_active(&self, callback: Box<dyn FnMut()>) {
180        self.inner.callbacks.lock().become_active = Some(callback);
181    }
182
183    fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
184        self.inner.callbacks.lock().resign_active = Some(callback);
185    }
186
187    fn on_quit(&self, callback: Box<dyn FnMut()>) {
188        self.inner.callbacks.lock().quit = Some(callback);
189    }
190
191    fn on_reopen(&self, callback: Box<dyn FnMut()>) {
192        self.inner.callbacks.lock().reopen = Some(callback);
193    }
194
195    fn on_event(&self, callback: Box<dyn FnMut(PlatformInput) -> bool>) {
196        self.inner.callbacks.lock().event = Some(callback);
197    }
198
199    fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
200        self.inner.callbacks.lock().app_menu_action = Some(callback);
201    }
202
203    fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
204        self.inner.callbacks.lock().will_open_app_menu = Some(callback);
205    }
206
207    fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
208        self.inner.callbacks.lock().validate_app_menu_command = Some(callback);
209    }
210
211    fn os_name(&self) -> &'static str {
212        "Linux"
213    }
214
215    fn double_click_interval(&self) -> Duration {
216        Duration::default()
217    }
218
219    fn os_version(&self) -> Result<SemanticVersion> {
220        Ok(SemanticVersion {
221            major: 1,
222            minor: 0,
223            patch: 0,
224        })
225    }
226
227    fn app_version(&self) -> Result<SemanticVersion> {
228        Ok(SemanticVersion {
229            major: 1,
230            minor: 0,
231            patch: 0,
232        })
233    }
234
235    fn app_path(&self) -> Result<PathBuf> {
236        unimplemented!()
237    }
238
239    //todo!(linux)
240    fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap) {}
241
242    fn local_timezone(&self) -> UtcOffset {
243        UtcOffset::UTC
244    }
245
246    fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
247        unimplemented!()
248    }
249
250    //todo!(linux)
251    fn set_cursor_style(&self, style: CursorStyle) {}
252
253    //todo!(linux)
254    fn should_auto_hide_scrollbars(&self) -> bool {
255        false
256    }
257
258    //todo!(linux)
259    fn write_to_clipboard(&self, item: ClipboardItem) {}
260
261    //todo!(linux)
262    fn read_from_clipboard(&self) -> Option<ClipboardItem> {
263        None
264    }
265
266    fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
267        unimplemented!()
268    }
269
270    fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
271        unimplemented!()
272    }
273
274    fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
275        unimplemented!()
276    }
277
278    fn window_appearance(&self) -> crate::WindowAppearance {
279        crate::WindowAppearance::Light
280    }
281}
282
283#[cfg(test)]
284mod tests {
285    use super::*;
286
287    fn build_platform() -> LinuxPlatform {
288        let platform = LinuxPlatform::new();
289        platform
290    }
291}