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) =
 68            xcb::Connection::connect_with_extensions(None, &[xcb::Extension::Present], &[])
 69                .unwrap();
 70        let atoms = XcbAtoms::intern_all(&xcb_connection).unwrap();
 71
 72        let xcb_connection = Arc::new(xcb_connection);
 73        let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
 74        let client_dispatcher: Arc<dyn ClientDispatcher + Send + Sync> =
 75            Arc::new(X11ClientDispatcher::new(&xcb_connection, x_root_index));
 76        let dispatcher = LinuxDispatcher::new(main_sender, &client_dispatcher);
 77        let dispatcher = Arc::new(dispatcher);
 78
 79        let inner = LinuxPlatformInner {
 80            background_executor: BackgroundExecutor::new(dispatcher.clone()),
 81            foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
 82            main_receiver,
 83            text_system: Arc::new(LinuxTextSystem::new()),
 84            callbacks: Mutex::new(Callbacks::default()),
 85            state: Mutex::new(LinuxPlatformState {
 86                quit_requested: false,
 87            }),
 88        };
 89        let inner = Arc::new(inner);
 90
 91        let x11client = X11Client::new(Arc::clone(&inner), xcb_connection, x_root_index, atoms);
 92        let x11client = Arc::new(x11client);
 93
 94        Self {
 95            client: x11client,
 96            inner: Arc::clone(&inner),
 97        }
 98    }
 99}
100
101impl Platform for LinuxPlatform {
102    fn background_executor(&self) -> BackgroundExecutor {
103        self.inner.background_executor.clone()
104    }
105
106    fn foreground_executor(&self) -> ForegroundExecutor {
107        self.inner.foreground_executor.clone()
108    }
109
110    fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
111        self.inner.text_system.clone()
112    }
113
114    fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
115        self.client.run(on_finish_launching)
116    }
117
118    fn quit(&self) {
119        self.inner.state.lock().quit_requested = true;
120    }
121
122    //todo!(linux)
123    fn restart(&self) {}
124
125    //todo!(linux)
126    fn activate(&self, ignoring_other_apps: bool) {}
127
128    //todo!(linux)
129    fn hide(&self) {}
130
131    //todo!(linux)
132    fn hide_other_apps(&self) {}
133
134    //todo!(linux)
135    fn unhide_other_apps(&self) {}
136
137    fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
138        self.client.displays()
139    }
140
141    fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
142        self.client.display(id)
143    }
144
145    //todo!(linux)
146    fn active_window(&self) -> Option<AnyWindowHandle> {
147        None
148    }
149
150    fn open_window(
151        &self,
152        handle: AnyWindowHandle,
153        options: WindowOptions,
154    ) -> Box<dyn PlatformWindow> {
155        self.client.open_window(handle, options)
156    }
157
158    fn open_url(&self, url: &str) {
159        unimplemented!()
160    }
161
162    fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
163        self.inner.callbacks.lock().open_urls = Some(callback);
164    }
165
166    fn prompt_for_paths(
167        &self,
168        options: PathPromptOptions,
169    ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
170        unimplemented!()
171    }
172
173    fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
174        unimplemented!()
175    }
176
177    fn reveal_path(&self, path: &Path) {
178        unimplemented!()
179    }
180
181    fn on_become_active(&self, callback: Box<dyn FnMut()>) {
182        self.inner.callbacks.lock().become_active = Some(callback);
183    }
184
185    fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
186        self.inner.callbacks.lock().resign_active = Some(callback);
187    }
188
189    fn on_quit(&self, callback: Box<dyn FnMut()>) {
190        self.inner.callbacks.lock().quit = Some(callback);
191    }
192
193    fn on_reopen(&self, callback: Box<dyn FnMut()>) {
194        self.inner.callbacks.lock().reopen = Some(callback);
195    }
196
197    fn on_event(&self, callback: Box<dyn FnMut(PlatformInput) -> bool>) {
198        self.inner.callbacks.lock().event = Some(callback);
199    }
200
201    fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
202        self.inner.callbacks.lock().app_menu_action = Some(callback);
203    }
204
205    fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
206        self.inner.callbacks.lock().will_open_app_menu = Some(callback);
207    }
208
209    fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
210        self.inner.callbacks.lock().validate_app_menu_command = Some(callback);
211    }
212
213    fn os_name(&self) -> &'static str {
214        "Linux"
215    }
216
217    fn double_click_interval(&self) -> Duration {
218        Duration::default()
219    }
220
221    fn os_version(&self) -> Result<SemanticVersion> {
222        Ok(SemanticVersion {
223            major: 1,
224            minor: 0,
225            patch: 0,
226        })
227    }
228
229    fn app_version(&self) -> Result<SemanticVersion> {
230        Ok(SemanticVersion {
231            major: 1,
232            minor: 0,
233            patch: 0,
234        })
235    }
236
237    fn app_path(&self) -> Result<PathBuf> {
238        unimplemented!()
239    }
240
241    //todo!(linux)
242    fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap) {}
243
244    fn local_timezone(&self) -> UtcOffset {
245        UtcOffset::UTC
246    }
247
248    fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
249        unimplemented!()
250    }
251
252    //todo!(linux)
253    fn set_cursor_style(&self, style: CursorStyle) {}
254
255    //todo!(linux)
256    fn should_auto_hide_scrollbars(&self) -> bool {
257        false
258    }
259
260    //todo!(linux)
261    fn write_to_clipboard(&self, item: ClipboardItem) {}
262
263    //todo!(linux)
264    fn read_from_clipboard(&self) -> Option<ClipboardItem> {
265        None
266    }
267
268    fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
269        unimplemented!()
270    }
271
272    fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
273        unimplemented!()
274    }
275
276    fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
277        unimplemented!()
278    }
279
280    fn window_appearance(&self) -> crate::WindowAppearance {
281        crate::WindowAppearance::Light
282    }
283}
284
285#[cfg(test)]
286mod tests {
287    use super::*;
288
289    fn build_platform() -> LinuxPlatform {
290        let platform = LinuxPlatform::new();
291        platform
292    }
293}