1use super::{
2 event::key_to_native, screen::Screen, status_item::StatusItem, BoolExt as _, Dispatcher,
3 FontSystem, Window,
4};
5use crate::{
6 executor,
7 keymap_matcher::KeymapMatcher,
8 platform::{self, CursorStyle},
9 Action, AppVersion, ClipboardItem, Event, Menu, MenuItem,
10};
11use anyhow::{anyhow, Result};
12use block::ConcreteBlock;
13use cocoa::{
14 appkit::{
15 NSApplication, NSApplicationActivationPolicy::NSApplicationActivationPolicyRegular,
16 NSEventModifierFlags, NSMenu, NSMenuItem, NSModalResponse, NSOpenPanel, NSPasteboard,
17 NSPasteboardTypeString, NSSavePanel, NSWindow,
18 },
19 base::{id, nil, selector, YES},
20 foundation::{
21 NSArray, NSAutoreleasePool, NSBundle, NSData, NSInteger, NSProcessInfo, NSString,
22 NSUInteger, NSURL,
23 },
24};
25use core_foundation::{
26 base::{CFType, CFTypeRef, OSStatus, TCFType as _},
27 boolean::CFBoolean,
28 data::CFData,
29 dictionary::{CFDictionary, CFDictionaryRef, CFMutableDictionary},
30 string::{CFString, CFStringRef},
31};
32use ctor::ctor;
33use objc::{
34 class,
35 declare::ClassDecl,
36 msg_send,
37 runtime::{Class, Object, Sel},
38 sel, sel_impl,
39};
40use postage::oneshot;
41use ptr::null_mut;
42use std::{
43 cell::{Cell, RefCell},
44 convert::TryInto,
45 ffi::{c_void, CStr, OsStr},
46 os::{raw::c_char, unix::ffi::OsStrExt},
47 path::{Path, PathBuf},
48 ptr,
49 rc::Rc,
50 slice, str,
51 sync::Arc,
52};
53use time::UtcOffset;
54
55#[allow(non_upper_case_globals)]
56const NSUTF8StringEncoding: NSUInteger = 4;
57
58#[allow(non_upper_case_globals)]
59pub const NSViewLayerContentsRedrawDuringViewResize: NSInteger = 2;
60
61const MAC_PLATFORM_IVAR: &str = "platform";
62static mut APP_CLASS: *const Class = ptr::null();
63static mut APP_DELEGATE_CLASS: *const Class = ptr::null();
64
65#[ctor]
66unsafe fn build_classes() {
67 APP_CLASS = {
68 let mut decl = ClassDecl::new("GPUIApplication", class!(NSApplication)).unwrap();
69 decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
70 decl.add_method(
71 sel!(sendEvent:),
72 send_event as extern "C" fn(&mut Object, Sel, id),
73 );
74 decl.register()
75 };
76
77 APP_DELEGATE_CLASS = {
78 let mut decl = ClassDecl::new("GPUIApplicationDelegate", class!(NSResponder)).unwrap();
79 decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
80 decl.add_method(
81 sel!(applicationDidFinishLaunching:),
82 did_finish_launching as extern "C" fn(&mut Object, Sel, id),
83 );
84 decl.add_method(
85 sel!(applicationDidBecomeActive:),
86 did_become_active as extern "C" fn(&mut Object, Sel, id),
87 );
88 decl.add_method(
89 sel!(applicationDidResignActive:),
90 did_resign_active as extern "C" fn(&mut Object, Sel, id),
91 );
92 decl.add_method(
93 sel!(applicationWillTerminate:),
94 will_terminate as extern "C" fn(&mut Object, Sel, id),
95 );
96 decl.add_method(
97 sel!(handleGPUIMenuItem:),
98 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
99 );
100 decl.add_method(
101 sel!(validateMenuItem:),
102 validate_menu_item as extern "C" fn(&mut Object, Sel, id) -> bool,
103 );
104 decl.add_method(
105 sel!(menuWillOpen:),
106 menu_will_open as extern "C" fn(&mut Object, Sel, id),
107 );
108 decl.add_method(
109 sel!(application:openURLs:),
110 open_urls as extern "C" fn(&mut Object, Sel, id, id),
111 );
112 decl.register()
113 }
114}
115
116#[derive(Default)]
117pub struct MacForegroundPlatform(RefCell<MacForegroundPlatformState>);
118
119#[derive(Default)]
120pub struct MacForegroundPlatformState {
121 become_active: Option<Box<dyn FnMut()>>,
122 resign_active: Option<Box<dyn FnMut()>>,
123 quit: Option<Box<dyn FnMut()>>,
124 event: Option<Box<dyn FnMut(crate::Event) -> bool>>,
125 menu_command: Option<Box<dyn FnMut(&dyn Action)>>,
126 validate_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
127 will_open_menu: Option<Box<dyn FnMut()>>,
128 open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
129 finish_launching: Option<Box<dyn FnOnce()>>,
130 menu_actions: Vec<Box<dyn Action>>,
131}
132
133impl MacForegroundPlatform {
134 unsafe fn create_menu_bar(
135 &self,
136 menus: Vec<Menu>,
137 delegate: id,
138 actions: &mut Vec<Box<dyn Action>>,
139 keystroke_matcher: &KeymapMatcher,
140 ) -> id {
141 let application_menu = NSMenu::new(nil).autorelease();
142 application_menu.setDelegate_(delegate);
143
144 for menu_config in menus {
145 let menu = NSMenu::new(nil).autorelease();
146 menu.setTitle_(ns_string(menu_config.name));
147 menu.setDelegate_(delegate);
148
149 for item_config in menu_config.items {
150 menu.addItem_(self.create_menu_item(
151 item_config,
152 delegate,
153 actions,
154 keystroke_matcher,
155 ));
156 }
157
158 let menu_item = NSMenuItem::new(nil).autorelease();
159 menu_item.setSubmenu_(menu);
160 application_menu.addItem_(menu_item);
161
162 if menu_config.name == "Window" {
163 let app: id = msg_send![APP_CLASS, sharedApplication];
164 app.setWindowsMenu_(menu);
165 }
166 }
167
168 application_menu
169 }
170
171 unsafe fn create_menu_item(
172 &self,
173 item: MenuItem,
174 delegate: id,
175 actions: &mut Vec<Box<dyn Action>>,
176 keystroke_matcher: &KeymapMatcher,
177 ) -> id {
178 match item {
179 MenuItem::Separator => NSMenuItem::separatorItem(nil),
180 MenuItem::Action { name, action } => {
181 let keystrokes = keystroke_matcher
182 .bindings_for_action_type(action.as_any().type_id())
183 .find(|binding| binding.action().eq(action.as_ref()))
184 .map(|binding| binding.keystrokes());
185
186 let item;
187 if let Some(keystrokes) = keystrokes.flatten() {
188 if keystrokes.len() == 1 {
189 let keystroke = &keystrokes[0];
190 let mut mask = NSEventModifierFlags::empty();
191 for (modifier, flag) in &[
192 (keystroke.cmd, NSEventModifierFlags::NSCommandKeyMask),
193 (keystroke.ctrl, NSEventModifierFlags::NSControlKeyMask),
194 (keystroke.alt, NSEventModifierFlags::NSAlternateKeyMask),
195 (keystroke.shift, NSEventModifierFlags::NSShiftKeyMask),
196 ] {
197 if *modifier {
198 mask |= *flag;
199 }
200 }
201
202 item = NSMenuItem::alloc(nil)
203 .initWithTitle_action_keyEquivalent_(
204 ns_string(name),
205 selector("handleGPUIMenuItem:"),
206 ns_string(key_to_native(&keystroke.key).as_ref()),
207 )
208 .autorelease();
209 item.setKeyEquivalentModifierMask_(mask);
210 }
211 // For multi-keystroke bindings, render the keystroke as part of the title.
212 else {
213 use std::fmt::Write;
214
215 let mut name = format!("{name} [");
216 for (i, keystroke) in keystrokes.iter().enumerate() {
217 if i > 0 {
218 name.push(' ');
219 }
220 write!(&mut name, "{}", keystroke).unwrap();
221 }
222 name.push(']');
223
224 item = NSMenuItem::alloc(nil)
225 .initWithTitle_action_keyEquivalent_(
226 ns_string(&name),
227 selector("handleGPUIMenuItem:"),
228 ns_string(""),
229 )
230 .autorelease();
231 }
232 } else {
233 item = NSMenuItem::alloc(nil)
234 .initWithTitle_action_keyEquivalent_(
235 ns_string(name),
236 selector("handleGPUIMenuItem:"),
237 ns_string(""),
238 )
239 .autorelease();
240 }
241
242 let tag = actions.len() as NSInteger;
243 let _: () = msg_send![item, setTag: tag];
244 actions.push(action);
245 item
246 }
247 MenuItem::Submenu(Menu { name, items }) => {
248 let item = NSMenuItem::new(nil).autorelease();
249 let submenu = NSMenu::new(nil).autorelease();
250 submenu.setDelegate_(delegate);
251 for item in items {
252 submenu.addItem_(self.create_menu_item(
253 item,
254 delegate,
255 actions,
256 keystroke_matcher,
257 ));
258 }
259 item.setSubmenu_(submenu);
260 item.setTitle_(ns_string(name));
261 item
262 }
263 }
264 }
265}
266
267impl platform::ForegroundPlatform for MacForegroundPlatform {
268 fn on_become_active(&self, callback: Box<dyn FnMut()>) {
269 self.0.borrow_mut().become_active = Some(callback);
270 }
271
272 fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
273 self.0.borrow_mut().resign_active = Some(callback);
274 }
275
276 fn on_quit(&self, callback: Box<dyn FnMut()>) {
277 self.0.borrow_mut().quit = Some(callback);
278 }
279
280 fn on_event(&self, callback: Box<dyn FnMut(crate::Event) -> bool>) {
281 self.0.borrow_mut().event = Some(callback);
282 }
283
284 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
285 self.0.borrow_mut().open_urls = Some(callback);
286 }
287
288 fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
289 self.0.borrow_mut().finish_launching = Some(on_finish_launching);
290
291 unsafe {
292 let app: id = msg_send![APP_CLASS, sharedApplication];
293 let app_delegate: id = msg_send![APP_DELEGATE_CLASS, new];
294 app.setDelegate_(app_delegate);
295
296 let self_ptr = self as *const Self as *const c_void;
297 (*app).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
298 (*app_delegate).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
299
300 let pool = NSAutoreleasePool::new(nil);
301 app.run();
302 pool.drain();
303
304 (*app).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
305 (*app.delegate()).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
306 }
307 }
308
309 fn on_menu_command(&self, callback: Box<dyn FnMut(&dyn Action)>) {
310 self.0.borrow_mut().menu_command = Some(callback);
311 }
312
313 fn on_will_open_menu(&self, callback: Box<dyn FnMut()>) {
314 self.0.borrow_mut().will_open_menu = Some(callback);
315 }
316
317 fn on_validate_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
318 self.0.borrow_mut().validate_menu_command = Some(callback);
319 }
320
321 fn set_menus(&self, menus: Vec<Menu>, keystroke_matcher: &KeymapMatcher) {
322 unsafe {
323 let app: id = msg_send![APP_CLASS, sharedApplication];
324 let mut state = self.0.borrow_mut();
325 let actions = &mut state.menu_actions;
326 app.setMainMenu_(self.create_menu_bar(
327 menus,
328 app.delegate(),
329 actions,
330 keystroke_matcher,
331 ));
332 }
333 }
334
335 fn prompt_for_paths(
336 &self,
337 options: platform::PathPromptOptions,
338 ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
339 unsafe {
340 let panel = NSOpenPanel::openPanel(nil);
341 panel.setCanChooseDirectories_(options.directories.to_objc());
342 panel.setCanChooseFiles_(options.files.to_objc());
343 panel.setAllowsMultipleSelection_(options.multiple.to_objc());
344 panel.setResolvesAliases_(false.to_objc());
345 let (done_tx, done_rx) = oneshot::channel();
346 let done_tx = Cell::new(Some(done_tx));
347 let block = ConcreteBlock::new(move |response: NSModalResponse| {
348 let result = if response == NSModalResponse::NSModalResponseOk {
349 let mut result = Vec::new();
350 let urls = panel.URLs();
351 for i in 0..urls.count() {
352 let url = urls.objectAtIndex(i);
353 if url.isFileURL() == YES {
354 if let Ok(path) = ns_url_to_path(url) {
355 result.push(path)
356 }
357 }
358 }
359 Some(result)
360 } else {
361 None
362 };
363
364 if let Some(mut done_tx) = done_tx.take() {
365 let _ = postage::sink::Sink::try_send(&mut done_tx, result);
366 }
367 });
368 let block = block.copy();
369 let _: () = msg_send![panel, beginWithCompletionHandler: block];
370 done_rx
371 }
372 }
373
374 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
375 unsafe {
376 let panel = NSSavePanel::savePanel(nil);
377 let path = ns_string(directory.to_string_lossy().as_ref());
378 let url = NSURL::fileURLWithPath_isDirectory_(nil, path, true.to_objc());
379 panel.setDirectoryURL(url);
380
381 let (done_tx, done_rx) = oneshot::channel();
382 let done_tx = Cell::new(Some(done_tx));
383 let block = ConcreteBlock::new(move |response: NSModalResponse| {
384 let mut result = None;
385 if response == NSModalResponse::NSModalResponseOk {
386 let url = panel.URL();
387 if url.isFileURL() == YES {
388 result = ns_url_to_path(panel.URL()).ok()
389 }
390 }
391
392 if let Some(mut done_tx) = done_tx.take() {
393 let _ = postage::sink::Sink::try_send(&mut done_tx, result);
394 }
395 });
396 let block = block.copy();
397 let _: () = msg_send![panel, beginWithCompletionHandler: block];
398 done_rx
399 }
400 }
401}
402
403pub struct MacPlatform {
404 dispatcher: Arc<Dispatcher>,
405 fonts: Arc<FontSystem>,
406 pasteboard: id,
407 text_hash_pasteboard_type: id,
408 metadata_pasteboard_type: id,
409}
410
411impl MacPlatform {
412 pub fn new() -> Self {
413 Self {
414 dispatcher: Arc::new(Dispatcher),
415 fonts: Arc::new(FontSystem::new()),
416 pasteboard: unsafe { NSPasteboard::generalPasteboard(nil) },
417 text_hash_pasteboard_type: unsafe { ns_string("zed-text-hash") },
418 metadata_pasteboard_type: unsafe { ns_string("zed-metadata") },
419 }
420 }
421
422 unsafe fn read_from_pasteboard(&self, kind: id) -> Option<&[u8]> {
423 let data = self.pasteboard.dataForType(kind);
424 if data == nil {
425 None
426 } else {
427 Some(slice::from_raw_parts(
428 data.bytes() as *mut u8,
429 data.length() as usize,
430 ))
431 }
432 }
433}
434
435unsafe impl Send for MacPlatform {}
436unsafe impl Sync for MacPlatform {}
437
438impl platform::Platform for MacPlatform {
439 fn dispatcher(&self) -> Arc<dyn platform::Dispatcher> {
440 self.dispatcher.clone()
441 }
442
443 fn fonts(&self) -> Arc<dyn platform::FontSystem> {
444 self.fonts.clone()
445 }
446
447 fn activate(&self, ignoring_other_apps: bool) {
448 unsafe {
449 let app = NSApplication::sharedApplication(nil);
450 app.activateIgnoringOtherApps_(ignoring_other_apps.to_objc());
451 }
452 }
453
454 fn hide(&self) {
455 unsafe {
456 let app = NSApplication::sharedApplication(nil);
457 let _: () = msg_send![app, hide: nil];
458 }
459 }
460
461 fn hide_other_apps(&self) {
462 unsafe {
463 let app = NSApplication::sharedApplication(nil);
464 let _: () = msg_send![app, hideOtherApplications: nil];
465 }
466 }
467
468 fn unhide_other_apps(&self) {
469 unsafe {
470 let app = NSApplication::sharedApplication(nil);
471 let _: () = msg_send![app, unhideAllApplications: nil];
472 }
473 }
474
475 fn quit(&self) {
476 // Quitting the app causes us to close windows, which invokes `Window::on_close` callbacks
477 // synchronously before this method terminates. If we call `Platform::quit` while holding a
478 // borrow of the app state (which most of the time we will do), we will end up
479 // double-borrowing the app state in the `on_close` callbacks for our open windows. To solve
480 // this, we make quitting the application asynchronous so that we aren't holding borrows to
481 // the app state on the stack when we actually terminate the app.
482
483 use super::dispatcher::{dispatch_async_f, dispatch_get_main_queue};
484
485 unsafe {
486 dispatch_async_f(dispatch_get_main_queue(), ptr::null_mut(), Some(quit));
487 }
488
489 unsafe extern "C" fn quit(_: *mut c_void) {
490 let app = NSApplication::sharedApplication(nil);
491 let _: () = msg_send![app, terminate: nil];
492 }
493 }
494
495 fn screen_by_id(&self, id: uuid::Uuid) -> Option<Rc<dyn crate::Screen>> {
496 Screen::find_by_id(id).map(|screen| Rc::new(screen) as Rc<_>)
497 }
498
499 fn screens(&self) -> Vec<Rc<dyn platform::Screen>> {
500 Screen::all()
501 .into_iter()
502 .map(|screen| Rc::new(screen) as Rc<_>)
503 .collect()
504 }
505
506 fn open_window(
507 &self,
508 id: usize,
509 options: platform::WindowOptions,
510 executor: Rc<executor::Foreground>,
511 ) -> Box<dyn platform::Window> {
512 Box::new(Window::open(id, options, executor, self.fonts()))
513 }
514
515 fn key_window_id(&self) -> Option<usize> {
516 Window::key_window_id()
517 }
518
519 fn add_status_item(&self) -> Box<dyn platform::Window> {
520 Box::new(StatusItem::add(self.fonts()))
521 }
522
523 fn write_to_clipboard(&self, item: ClipboardItem) {
524 unsafe {
525 self.pasteboard.clearContents();
526
527 let text_bytes = NSData::dataWithBytes_length_(
528 nil,
529 item.text.as_ptr() as *const c_void,
530 item.text.len() as u64,
531 );
532 self.pasteboard
533 .setData_forType(text_bytes, NSPasteboardTypeString);
534
535 if let Some(metadata) = item.metadata.as_ref() {
536 let hash_bytes = ClipboardItem::text_hash(&item.text).to_be_bytes();
537 let hash_bytes = NSData::dataWithBytes_length_(
538 nil,
539 hash_bytes.as_ptr() as *const c_void,
540 hash_bytes.len() as u64,
541 );
542 self.pasteboard
543 .setData_forType(hash_bytes, self.text_hash_pasteboard_type);
544
545 let metadata_bytes = NSData::dataWithBytes_length_(
546 nil,
547 metadata.as_ptr() as *const c_void,
548 metadata.len() as u64,
549 );
550 self.pasteboard
551 .setData_forType(metadata_bytes, self.metadata_pasteboard_type);
552 }
553 }
554 }
555
556 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
557 unsafe {
558 if let Some(text_bytes) = self.read_from_pasteboard(NSPasteboardTypeString) {
559 let text = String::from_utf8_lossy(text_bytes).to_string();
560 let hash_bytes = self
561 .read_from_pasteboard(self.text_hash_pasteboard_type)
562 .and_then(|bytes| bytes.try_into().ok())
563 .map(u64::from_be_bytes);
564 let metadata_bytes = self
565 .read_from_pasteboard(self.metadata_pasteboard_type)
566 .and_then(|bytes| String::from_utf8(bytes.to_vec()).ok());
567
568 if let Some((hash, metadata)) = hash_bytes.zip(metadata_bytes) {
569 if hash == ClipboardItem::text_hash(&text) {
570 Some(ClipboardItem {
571 text,
572 metadata: Some(metadata),
573 })
574 } else {
575 Some(ClipboardItem {
576 text,
577 metadata: None,
578 })
579 }
580 } else {
581 Some(ClipboardItem {
582 text,
583 metadata: None,
584 })
585 }
586 } else {
587 None
588 }
589 }
590 }
591
592 fn open_url(&self, url: &str) {
593 unsafe {
594 let url = NSURL::alloc(nil)
595 .initWithString_(ns_string(url))
596 .autorelease();
597 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
598 msg_send![workspace, openURL: url]
599 }
600 }
601
602 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Result<()> {
603 let url = CFString::from(url);
604 let username = CFString::from(username);
605 let password = CFData::from_buffer(password);
606
607 unsafe {
608 use security::*;
609
610 // First, check if there are already credentials for the given server. If so, then
611 // update the username and password.
612 let mut verb = "updating";
613 let mut query_attrs = CFMutableDictionary::with_capacity(2);
614 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
615 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
616
617 let mut attrs = CFMutableDictionary::with_capacity(4);
618 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
619 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
620 attrs.set(kSecAttrAccount as *const _, username.as_CFTypeRef());
621 attrs.set(kSecValueData as *const _, password.as_CFTypeRef());
622
623 let mut status = SecItemUpdate(
624 query_attrs.as_concrete_TypeRef(),
625 attrs.as_concrete_TypeRef(),
626 );
627
628 // If there were no existing credentials for the given server, then create them.
629 if status == errSecItemNotFound {
630 verb = "creating";
631 status = SecItemAdd(attrs.as_concrete_TypeRef(), ptr::null_mut());
632 }
633
634 if status != errSecSuccess {
635 return Err(anyhow!("{} password failed: {}", verb, status));
636 }
637 }
638 Ok(())
639 }
640
641 fn read_credentials(&self, url: &str) -> Result<Option<(String, Vec<u8>)>> {
642 let url = CFString::from(url);
643 let cf_true = CFBoolean::true_value().as_CFTypeRef();
644
645 unsafe {
646 use security::*;
647
648 // Find any credentials for the given server URL.
649 let mut attrs = CFMutableDictionary::with_capacity(5);
650 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
651 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
652 attrs.set(kSecReturnAttributes as *const _, cf_true);
653 attrs.set(kSecReturnData as *const _, cf_true);
654
655 let mut result = CFTypeRef::from(ptr::null());
656 let status = SecItemCopyMatching(attrs.as_concrete_TypeRef(), &mut result);
657 match status {
658 security::errSecSuccess => {}
659 security::errSecItemNotFound | security::errSecUserCanceled => return Ok(None),
660 _ => return Err(anyhow!("reading password failed: {}", status)),
661 }
662
663 let result = CFType::wrap_under_create_rule(result)
664 .downcast::<CFDictionary>()
665 .ok_or_else(|| anyhow!("keychain item was not a dictionary"))?;
666 let username = result
667 .find(kSecAttrAccount as *const _)
668 .ok_or_else(|| anyhow!("account was missing from keychain item"))?;
669 let username = CFType::wrap_under_get_rule(*username)
670 .downcast::<CFString>()
671 .ok_or_else(|| anyhow!("account was not a string"))?;
672 let password = result
673 .find(kSecValueData as *const _)
674 .ok_or_else(|| anyhow!("password was missing from keychain item"))?;
675 let password = CFType::wrap_under_get_rule(*password)
676 .downcast::<CFData>()
677 .ok_or_else(|| anyhow!("password was not a string"))?;
678
679 Ok(Some((username.to_string(), password.bytes().to_vec())))
680 }
681 }
682
683 fn delete_credentials(&self, url: &str) -> Result<()> {
684 let url = CFString::from(url);
685
686 unsafe {
687 use security::*;
688
689 let mut query_attrs = CFMutableDictionary::with_capacity(2);
690 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
691 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
692
693 let status = SecItemDelete(query_attrs.as_concrete_TypeRef());
694
695 if status != errSecSuccess {
696 return Err(anyhow!("delete password failed: {}", status));
697 }
698 }
699 Ok(())
700 }
701
702 fn set_cursor_style(&self, style: CursorStyle) {
703 unsafe {
704 let cursor: id = match style {
705 CursorStyle::Arrow => msg_send![class!(NSCursor), arrowCursor],
706 CursorStyle::ResizeLeftRight => {
707 msg_send![class!(NSCursor), resizeLeftRightCursor]
708 }
709 CursorStyle::ResizeUpDown => msg_send![class!(NSCursor), resizeUpDownCursor],
710 CursorStyle::PointingHand => msg_send![class!(NSCursor), pointingHandCursor],
711 CursorStyle::IBeam => msg_send![class!(NSCursor), IBeamCursor],
712 };
713 let _: () = msg_send![cursor, set];
714 }
715 }
716
717 fn should_auto_hide_scrollbars(&self) -> bool {
718 #[allow(non_upper_case_globals)]
719 const NSScrollerStyleOverlay: NSInteger = 1;
720
721 unsafe {
722 let style: NSInteger = msg_send![class!(NSScroller), preferredScrollerStyle];
723 style == NSScrollerStyleOverlay
724 }
725 }
726
727 fn local_timezone(&self) -> UtcOffset {
728 unsafe {
729 let local_timezone: id = msg_send![class!(NSTimeZone), localTimeZone];
730 let seconds_from_gmt: NSInteger = msg_send![local_timezone, secondsFromGMT];
731 UtcOffset::from_whole_seconds(seconds_from_gmt.try_into().unwrap()).unwrap()
732 }
733 }
734
735 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
736 unsafe {
737 let bundle: id = NSBundle::mainBundle();
738 if bundle.is_null() {
739 Err(anyhow!("app is not running inside a bundle"))
740 } else {
741 let name = ns_string(name);
742 let url: id = msg_send![bundle, URLForAuxiliaryExecutable: name];
743 if url.is_null() {
744 Err(anyhow!("resource not found"))
745 } else {
746 ns_url_to_path(url)
747 }
748 }
749 }
750 }
751
752 fn app_path(&self) -> Result<PathBuf> {
753 unsafe {
754 let bundle: id = NSBundle::mainBundle();
755 if bundle.is_null() {
756 Err(anyhow!("app is not running inside a bundle"))
757 } else {
758 Ok(path_from_objc(msg_send![bundle, bundlePath]))
759 }
760 }
761 }
762
763 fn app_version(&self) -> Result<platform::AppVersion> {
764 unsafe {
765 let bundle: id = NSBundle::mainBundle();
766 if bundle.is_null() {
767 Err(anyhow!("app is not running inside a bundle"))
768 } else {
769 let version: id = msg_send![bundle, objectForInfoDictionaryKey: ns_string("CFBundleShortVersionString")];
770 let len = msg_send![version, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
771 let bytes = version.UTF8String() as *const u8;
772 let version = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
773 version.parse()
774 }
775 }
776 }
777
778 fn os_name(&self) -> &'static str {
779 "macOS"
780 }
781
782 fn os_version(&self) -> Result<crate::AppVersion> {
783 unsafe {
784 let process_info = NSProcessInfo::processInfo(nil);
785 let version = process_info.operatingSystemVersion();
786 Ok(AppVersion {
787 major: version.majorVersion as usize,
788 minor: version.minorVersion as usize,
789 patch: version.patchVersion as usize,
790 })
791 }
792 }
793}
794
795unsafe fn path_from_objc(path: id) -> PathBuf {
796 let len = msg_send![path, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
797 let bytes = path.UTF8String() as *const u8;
798 let path = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
799 PathBuf::from(path)
800}
801
802unsafe fn get_foreground_platform(object: &mut Object) -> &MacForegroundPlatform {
803 let platform_ptr: *mut c_void = *object.get_ivar(MAC_PLATFORM_IVAR);
804 assert!(!platform_ptr.is_null());
805 &*(platform_ptr as *const MacForegroundPlatform)
806}
807
808extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
809 unsafe {
810 if let Some(event) = Event::from_native(native_event, None) {
811 let platform = get_foreground_platform(this);
812 if let Some(callback) = platform.0.borrow_mut().event.as_mut() {
813 if callback(event) {
814 return;
815 }
816 }
817 }
818
819 msg_send![super(this, class!(NSApplication)), sendEvent: native_event]
820 }
821}
822
823extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
824 unsafe {
825 let app: id = msg_send![APP_CLASS, sharedApplication];
826 app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
827
828 let platform = get_foreground_platform(this);
829 let callback = platform.0.borrow_mut().finish_launching.take();
830 if let Some(callback) = callback {
831 callback();
832 }
833 }
834}
835
836extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
837 let platform = unsafe { get_foreground_platform(this) };
838 if let Some(callback) = platform.0.borrow_mut().become_active.as_mut() {
839 callback();
840 }
841}
842
843extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
844 let platform = unsafe { get_foreground_platform(this) };
845 if let Some(callback) = platform.0.borrow_mut().resign_active.as_mut() {
846 callback();
847 }
848}
849
850extern "C" fn will_terminate(this: &mut Object, _: Sel, _: id) {
851 let platform = unsafe { get_foreground_platform(this) };
852 if let Some(callback) = platform.0.borrow_mut().quit.as_mut() {
853 callback();
854 }
855}
856
857extern "C" fn open_urls(this: &mut Object, _: Sel, _: id, urls: id) {
858 let urls = unsafe {
859 (0..urls.count())
860 .into_iter()
861 .filter_map(|i| {
862 let url = urls.objectAtIndex(i);
863 match CStr::from_ptr(url.absoluteString().UTF8String() as *mut c_char).to_str() {
864 Ok(string) => Some(string.to_string()),
865 Err(err) => {
866 log::error!("error converting path to string: {}", err);
867 None
868 }
869 }
870 })
871 .collect::<Vec<_>>()
872 };
873 let platform = unsafe { get_foreground_platform(this) };
874 if let Some(callback) = platform.0.borrow_mut().open_urls.as_mut() {
875 callback(urls);
876 }
877}
878
879extern "C" fn handle_menu_item(this: &mut Object, _: Sel, item: id) {
880 unsafe {
881 let platform = get_foreground_platform(this);
882 let mut platform = platform.0.borrow_mut();
883 if let Some(mut callback) = platform.menu_command.take() {
884 let tag: NSInteger = msg_send![item, tag];
885 let index = tag as usize;
886 if let Some(action) = platform.menu_actions.get(index) {
887 callback(action.as_ref());
888 }
889 platform.menu_command = Some(callback);
890 }
891 }
892}
893
894extern "C" fn validate_menu_item(this: &mut Object, _: Sel, item: id) -> bool {
895 unsafe {
896 let mut result = false;
897 let platform = get_foreground_platform(this);
898 let mut platform = platform.0.borrow_mut();
899 if let Some(mut callback) = platform.validate_menu_command.take() {
900 let tag: NSInteger = msg_send![item, tag];
901 let index = tag as usize;
902 if let Some(action) = platform.menu_actions.get(index) {
903 result = callback(action.as_ref());
904 }
905 platform.validate_menu_command = Some(callback);
906 }
907 result
908 }
909}
910
911extern "C" fn menu_will_open(this: &mut Object, _: Sel, _: id) {
912 unsafe {
913 let platform = get_foreground_platform(this);
914 let mut platform = platform.0.borrow_mut();
915 if let Some(mut callback) = platform.will_open_menu.take() {
916 callback();
917 platform.will_open_menu = Some(callback);
918 }
919 }
920}
921
922unsafe fn ns_string(string: &str) -> id {
923 NSString::alloc(nil).init_str(string).autorelease()
924}
925
926unsafe fn ns_url_to_path(url: id) -> Result<PathBuf> {
927 let path: *mut c_char = msg_send![url, fileSystemRepresentation];
928 if path.is_null() {
929 Err(anyhow!(
930 "url is not a file path: {}",
931 CStr::from_ptr(url.absoluteString().UTF8String()).to_string_lossy()
932 ))
933 } else {
934 Ok(PathBuf::from(OsStr::from_bytes(
935 CStr::from_ptr(path).to_bytes(),
936 )))
937 }
938}
939
940mod security {
941 #![allow(non_upper_case_globals)]
942 use super::*;
943
944 #[link(name = "Security", kind = "framework")]
945 extern "C" {
946 pub static kSecClass: CFStringRef;
947 pub static kSecClassInternetPassword: CFStringRef;
948 pub static kSecAttrServer: CFStringRef;
949 pub static kSecAttrAccount: CFStringRef;
950 pub static kSecValueData: CFStringRef;
951 pub static kSecReturnAttributes: CFStringRef;
952 pub static kSecReturnData: CFStringRef;
953
954 pub fn SecItemAdd(attributes: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
955 pub fn SecItemUpdate(query: CFDictionaryRef, attributes: CFDictionaryRef) -> OSStatus;
956 pub fn SecItemDelete(query: CFDictionaryRef) -> OSStatus;
957 pub fn SecItemCopyMatching(query: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
958 }
959
960 pub const errSecSuccess: OSStatus = 0;
961 pub const errSecUserCanceled: OSStatus = -128;
962 pub const errSecItemNotFound: OSStatus = -25300;
963}
964
965#[cfg(test)]
966mod tests {
967 use crate::platform::Platform;
968
969 use super::*;
970
971 #[test]
972 fn test_clipboard() {
973 let platform = build_platform();
974 assert_eq!(platform.read_from_clipboard(), None);
975
976 let item = ClipboardItem::new("1".to_string());
977 platform.write_to_clipboard(item.clone());
978 assert_eq!(platform.read_from_clipboard(), Some(item));
979
980 let item = ClipboardItem::new("2".to_string()).with_metadata(vec![3, 4]);
981 platform.write_to_clipboard(item.clone());
982 assert_eq!(platform.read_from_clipboard(), Some(item));
983
984 let text_from_other_app = "text from other app";
985 unsafe {
986 let bytes = NSData::dataWithBytes_length_(
987 nil,
988 text_from_other_app.as_ptr() as *const c_void,
989 text_from_other_app.len() as u64,
990 );
991 platform
992 .pasteboard
993 .setData_forType(bytes, NSPasteboardTypeString);
994 }
995 assert_eq!(
996 platform.read_from_clipboard(),
997 Some(ClipboardItem::new(text_from_other_app.to_string()))
998 );
999 }
1000
1001 fn build_platform() -> MacPlatform {
1002 let mut platform = MacPlatform::new();
1003 platform.pasteboard = unsafe { NSPasteboard::pasteboardWithUniqueName(nil) };
1004 platform
1005 }
1006}