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 activate(&self, ignoring_other_apps: bool) {
444 unsafe {
445 let app = NSApplication::sharedApplication(nil);
446 app.activateIgnoringOtherApps_(ignoring_other_apps.to_objc());
447 }
448 }
449
450 fn hide(&self) {
451 unsafe {
452 let app = NSApplication::sharedApplication(nil);
453 let _: () = msg_send![app, hide: nil];
454 }
455 }
456
457 fn hide_other_apps(&self) {
458 unsafe {
459 let app = NSApplication::sharedApplication(nil);
460 let _: () = msg_send![app, hideOtherApplications: nil];
461 }
462 }
463
464 fn unhide_other_apps(&self) {
465 unsafe {
466 let app = NSApplication::sharedApplication(nil);
467 let _: () = msg_send![app, unhideAllApplications: nil];
468 }
469 }
470
471 fn quit(&self) {
472 // Quitting the app causes us to close windows, which invokes `Window::on_close` callbacks
473 // synchronously before this method terminates. If we call `Platform::quit` while holding a
474 // borrow of the app state (which most of the time we will do), we will end up
475 // double-borrowing the app state in the `on_close` callbacks for our open windows. To solve
476 // this, we make quitting the application asynchronous so that we aren't holding borrows to
477 // the app state on the stack when we actually terminate the app.
478
479 use super::dispatcher::{dispatch_async_f, dispatch_get_main_queue};
480
481 unsafe {
482 dispatch_async_f(dispatch_get_main_queue(), ptr::null_mut(), Some(quit));
483 }
484
485 unsafe extern "C" fn quit(_: *mut c_void) {
486 let app = NSApplication::sharedApplication(nil);
487 let _: () = msg_send![app, terminate: nil];
488 }
489 }
490
491 fn screens(&self) -> Vec<Rc<dyn platform::Screen>> {
492 Screen::all()
493 .into_iter()
494 .map(|screen| Rc::new(screen) as Rc<_>)
495 .collect()
496 }
497
498 fn open_window(
499 &self,
500 id: usize,
501 options: platform::WindowOptions,
502 executor: Rc<executor::Foreground>,
503 ) -> Box<dyn platform::Window> {
504 Box::new(Window::open(id, options, executor, self.fonts()))
505 }
506
507 fn key_window_id(&self) -> Option<usize> {
508 Window::key_window_id()
509 }
510
511 fn add_status_item(&self) -> Box<dyn platform::Window> {
512 Box::new(StatusItem::add(self.fonts()))
513 }
514
515 fn fonts(&self) -> Arc<dyn platform::FontSystem> {
516 self.fonts.clone()
517 }
518
519 fn write_to_clipboard(&self, item: ClipboardItem) {
520 unsafe {
521 self.pasteboard.clearContents();
522
523 let text_bytes = NSData::dataWithBytes_length_(
524 nil,
525 item.text.as_ptr() as *const c_void,
526 item.text.len() as u64,
527 );
528 self.pasteboard
529 .setData_forType(text_bytes, NSPasteboardTypeString);
530
531 if let Some(metadata) = item.metadata.as_ref() {
532 let hash_bytes = ClipboardItem::text_hash(&item.text).to_be_bytes();
533 let hash_bytes = NSData::dataWithBytes_length_(
534 nil,
535 hash_bytes.as_ptr() as *const c_void,
536 hash_bytes.len() as u64,
537 );
538 self.pasteboard
539 .setData_forType(hash_bytes, self.text_hash_pasteboard_type);
540
541 let metadata_bytes = NSData::dataWithBytes_length_(
542 nil,
543 metadata.as_ptr() as *const c_void,
544 metadata.len() as u64,
545 );
546 self.pasteboard
547 .setData_forType(metadata_bytes, self.metadata_pasteboard_type);
548 }
549 }
550 }
551
552 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
553 unsafe {
554 if let Some(text_bytes) = self.read_from_pasteboard(NSPasteboardTypeString) {
555 let text = String::from_utf8_lossy(text_bytes).to_string();
556 let hash_bytes = self
557 .read_from_pasteboard(self.text_hash_pasteboard_type)
558 .and_then(|bytes| bytes.try_into().ok())
559 .map(u64::from_be_bytes);
560 let metadata_bytes = self
561 .read_from_pasteboard(self.metadata_pasteboard_type)
562 .and_then(|bytes| String::from_utf8(bytes.to_vec()).ok());
563
564 if let Some((hash, metadata)) = hash_bytes.zip(metadata_bytes) {
565 if hash == ClipboardItem::text_hash(&text) {
566 Some(ClipboardItem {
567 text,
568 metadata: Some(metadata),
569 })
570 } else {
571 Some(ClipboardItem {
572 text,
573 metadata: None,
574 })
575 }
576 } else {
577 Some(ClipboardItem {
578 text,
579 metadata: None,
580 })
581 }
582 } else {
583 None
584 }
585 }
586 }
587
588 fn open_url(&self, url: &str) {
589 unsafe {
590 let url = NSURL::alloc(nil)
591 .initWithString_(ns_string(url))
592 .autorelease();
593 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
594 msg_send![workspace, openURL: url]
595 }
596 }
597
598 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Result<()> {
599 let url = CFString::from(url);
600 let username = CFString::from(username);
601 let password = CFData::from_buffer(password);
602
603 unsafe {
604 use security::*;
605
606 // First, check if there are already credentials for the given server. If so, then
607 // update the username and password.
608 let mut verb = "updating";
609 let mut query_attrs = CFMutableDictionary::with_capacity(2);
610 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
611 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
612
613 let mut attrs = CFMutableDictionary::with_capacity(4);
614 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
615 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
616 attrs.set(kSecAttrAccount as *const _, username.as_CFTypeRef());
617 attrs.set(kSecValueData as *const _, password.as_CFTypeRef());
618
619 let mut status = SecItemUpdate(
620 query_attrs.as_concrete_TypeRef(),
621 attrs.as_concrete_TypeRef(),
622 );
623
624 // If there were no existing credentials for the given server, then create them.
625 if status == errSecItemNotFound {
626 verb = "creating";
627 status = SecItemAdd(attrs.as_concrete_TypeRef(), ptr::null_mut());
628 }
629
630 if status != errSecSuccess {
631 return Err(anyhow!("{} password failed: {}", verb, status));
632 }
633 }
634 Ok(())
635 }
636
637 fn read_credentials(&self, url: &str) -> Result<Option<(String, Vec<u8>)>> {
638 let url = CFString::from(url);
639 let cf_true = CFBoolean::true_value().as_CFTypeRef();
640
641 unsafe {
642 use security::*;
643
644 // Find any credentials for the given server URL.
645 let mut attrs = CFMutableDictionary::with_capacity(5);
646 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
647 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
648 attrs.set(kSecReturnAttributes as *const _, cf_true);
649 attrs.set(kSecReturnData as *const _, cf_true);
650
651 let mut result = CFTypeRef::from(ptr::null());
652 let status = SecItemCopyMatching(attrs.as_concrete_TypeRef(), &mut result);
653 match status {
654 security::errSecSuccess => {}
655 security::errSecItemNotFound | security::errSecUserCanceled => return Ok(None),
656 _ => return Err(anyhow!("reading password failed: {}", status)),
657 }
658
659 let result = CFType::wrap_under_create_rule(result)
660 .downcast::<CFDictionary>()
661 .ok_or_else(|| anyhow!("keychain item was not a dictionary"))?;
662 let username = result
663 .find(kSecAttrAccount as *const _)
664 .ok_or_else(|| anyhow!("account was missing from keychain item"))?;
665 let username = CFType::wrap_under_get_rule(*username)
666 .downcast::<CFString>()
667 .ok_or_else(|| anyhow!("account was not a string"))?;
668 let password = result
669 .find(kSecValueData as *const _)
670 .ok_or_else(|| anyhow!("password was missing from keychain item"))?;
671 let password = CFType::wrap_under_get_rule(*password)
672 .downcast::<CFData>()
673 .ok_or_else(|| anyhow!("password was not a string"))?;
674
675 Ok(Some((username.to_string(), password.bytes().to_vec())))
676 }
677 }
678
679 fn delete_credentials(&self, url: &str) -> Result<()> {
680 let url = CFString::from(url);
681
682 unsafe {
683 use security::*;
684
685 let mut query_attrs = CFMutableDictionary::with_capacity(2);
686 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
687 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
688
689 let status = SecItemDelete(query_attrs.as_concrete_TypeRef());
690
691 if status != errSecSuccess {
692 return Err(anyhow!("delete password failed: {}", status));
693 }
694 }
695 Ok(())
696 }
697
698 fn set_cursor_style(&self, style: CursorStyle) {
699 unsafe {
700 let cursor: id = match style {
701 CursorStyle::Arrow => msg_send![class!(NSCursor), arrowCursor],
702 CursorStyle::ResizeLeftRight => msg_send![class!(NSCursor), resizeLeftRightCursor],
703 CursorStyle::ResizeUpDown => msg_send![class!(NSCursor), resizeUpDownCursor],
704 CursorStyle::PointingHand => msg_send![class!(NSCursor), pointingHandCursor],
705 CursorStyle::IBeam => msg_send![class!(NSCursor), IBeamCursor],
706 };
707 let _: () = msg_send![cursor, set];
708 }
709 }
710
711 fn should_auto_hide_scrollbars(&self) -> bool {
712 #[allow(non_upper_case_globals)]
713 const NSScrollerStyleOverlay: NSInteger = 1;
714
715 unsafe {
716 let style: NSInteger = msg_send![class!(NSScroller), preferredScrollerStyle];
717 style == NSScrollerStyleOverlay
718 }
719 }
720
721 fn local_timezone(&self) -> UtcOffset {
722 unsafe {
723 let local_timezone: id = msg_send![class!(NSTimeZone), localTimeZone];
724 let seconds_from_gmt: NSInteger = msg_send![local_timezone, secondsFromGMT];
725 UtcOffset::from_whole_seconds(seconds_from_gmt.try_into().unwrap()).unwrap()
726 }
727 }
728
729 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
730 unsafe {
731 let bundle: id = NSBundle::mainBundle();
732 if bundle.is_null() {
733 Err(anyhow!("app is not running inside a bundle"))
734 } else {
735 let name = ns_string(name);
736 let url: id = msg_send![bundle, URLForAuxiliaryExecutable: name];
737 if url.is_null() {
738 Err(anyhow!("resource not found"))
739 } else {
740 ns_url_to_path(url)
741 }
742 }
743 }
744 }
745
746 fn app_path(&self) -> Result<PathBuf> {
747 unsafe {
748 let bundle: id = NSBundle::mainBundle();
749 if bundle.is_null() {
750 Err(anyhow!("app is not running inside a bundle"))
751 } else {
752 Ok(path_from_objc(msg_send![bundle, bundlePath]))
753 }
754 }
755 }
756
757 fn app_version(&self) -> Result<platform::AppVersion> {
758 unsafe {
759 let bundle: id = NSBundle::mainBundle();
760 if bundle.is_null() {
761 Err(anyhow!("app is not running inside a bundle"))
762 } else {
763 let version: id = msg_send![bundle, objectForInfoDictionaryKey: ns_string("CFBundleShortVersionString")];
764 let len = msg_send![version, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
765 let bytes = version.UTF8String() as *const u8;
766 let version = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
767 version.parse()
768 }
769 }
770 }
771
772 fn os_name(&self) -> &'static str {
773 "macOS"
774 }
775
776 fn os_version(&self) -> Result<crate::AppVersion> {
777 unsafe {
778 let process_info = NSProcessInfo::processInfo(nil);
779 let version = process_info.operatingSystemVersion();
780 Ok(AppVersion {
781 major: version.majorVersion as usize,
782 minor: version.minorVersion as usize,
783 patch: version.patchVersion as usize,
784 })
785 }
786 }
787}
788
789unsafe fn path_from_objc(path: id) -> PathBuf {
790 let len = msg_send![path, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
791 let bytes = path.UTF8String() as *const u8;
792 let path = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
793 PathBuf::from(path)
794}
795
796unsafe fn get_foreground_platform(object: &mut Object) -> &MacForegroundPlatform {
797 let platform_ptr: *mut c_void = *object.get_ivar(MAC_PLATFORM_IVAR);
798 assert!(!platform_ptr.is_null());
799 &*(platform_ptr as *const MacForegroundPlatform)
800}
801
802extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
803 unsafe {
804 if let Some(event) = Event::from_native(native_event, None) {
805 let platform = get_foreground_platform(this);
806 if let Some(callback) = platform.0.borrow_mut().event.as_mut() {
807 if callback(event) {
808 return;
809 }
810 }
811 }
812
813 msg_send![super(this, class!(NSApplication)), sendEvent: native_event]
814 }
815}
816
817extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
818 unsafe {
819 let app: id = msg_send![APP_CLASS, sharedApplication];
820 app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
821
822 let platform = get_foreground_platform(this);
823 let callback = platform.0.borrow_mut().finish_launching.take();
824 if let Some(callback) = callback {
825 callback();
826 }
827 }
828}
829
830extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
831 let platform = unsafe { get_foreground_platform(this) };
832 if let Some(callback) = platform.0.borrow_mut().become_active.as_mut() {
833 callback();
834 }
835}
836
837extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
838 let platform = unsafe { get_foreground_platform(this) };
839 if let Some(callback) = platform.0.borrow_mut().resign_active.as_mut() {
840 callback();
841 }
842}
843
844extern "C" fn will_terminate(this: &mut Object, _: Sel, _: id) {
845 let platform = unsafe { get_foreground_platform(this) };
846 if let Some(callback) = platform.0.borrow_mut().quit.as_mut() {
847 callback();
848 }
849}
850
851extern "C" fn open_urls(this: &mut Object, _: Sel, _: id, urls: id) {
852 let urls = unsafe {
853 (0..urls.count())
854 .into_iter()
855 .filter_map(|i| {
856 let path = urls.objectAtIndex(i);
857 match CStr::from_ptr(path.absoluteString().UTF8String() as *mut c_char).to_str() {
858 Ok(string) => Some(string.to_string()),
859 Err(err) => {
860 log::error!("error converting path to string: {}", err);
861 None
862 }
863 }
864 })
865 .collect::<Vec<_>>()
866 };
867 let platform = unsafe { get_foreground_platform(this) };
868 if let Some(callback) = platform.0.borrow_mut().open_urls.as_mut() {
869 callback(urls);
870 }
871}
872
873extern "C" fn handle_menu_item(this: &mut Object, _: Sel, item: id) {
874 unsafe {
875 let platform = get_foreground_platform(this);
876 let mut platform = platform.0.borrow_mut();
877 if let Some(mut callback) = platform.menu_command.take() {
878 let tag: NSInteger = msg_send![item, tag];
879 let index = tag as usize;
880 if let Some(action) = platform.menu_actions.get(index) {
881 callback(action.as_ref());
882 }
883 platform.menu_command = Some(callback);
884 }
885 }
886}
887
888extern "C" fn validate_menu_item(this: &mut Object, _: Sel, item: id) -> bool {
889 unsafe {
890 let mut result = false;
891 let platform = get_foreground_platform(this);
892 let mut platform = platform.0.borrow_mut();
893 if let Some(mut callback) = platform.validate_menu_command.take() {
894 let tag: NSInteger = msg_send![item, tag];
895 let index = tag as usize;
896 if let Some(action) = platform.menu_actions.get(index) {
897 result = callback(action.as_ref());
898 }
899 platform.validate_menu_command = Some(callback);
900 }
901 result
902 }
903}
904
905extern "C" fn menu_will_open(this: &mut Object, _: Sel, _: id) {
906 unsafe {
907 let platform = get_foreground_platform(this);
908 let mut platform = platform.0.borrow_mut();
909 if let Some(mut callback) = platform.will_open_menu.take() {
910 callback();
911 platform.will_open_menu = Some(callback);
912 }
913 }
914}
915
916unsafe fn ns_string(string: &str) -> id {
917 NSString::alloc(nil).init_str(string).autorelease()
918}
919
920unsafe fn ns_url_to_path(url: id) -> Result<PathBuf> {
921 let path: *mut c_char = msg_send![url, fileSystemRepresentation];
922 if path.is_null() {
923 Err(anyhow!(
924 "url is not a file path: {}",
925 CStr::from_ptr(url.absoluteString().UTF8String()).to_string_lossy()
926 ))
927 } else {
928 Ok(PathBuf::from(OsStr::from_bytes(
929 CStr::from_ptr(path).to_bytes(),
930 )))
931 }
932}
933
934mod security {
935 #![allow(non_upper_case_globals)]
936 use super::*;
937
938 #[link(name = "Security", kind = "framework")]
939 extern "C" {
940 pub static kSecClass: CFStringRef;
941 pub static kSecClassInternetPassword: CFStringRef;
942 pub static kSecAttrServer: CFStringRef;
943 pub static kSecAttrAccount: CFStringRef;
944 pub static kSecValueData: CFStringRef;
945 pub static kSecReturnAttributes: CFStringRef;
946 pub static kSecReturnData: CFStringRef;
947
948 pub fn SecItemAdd(attributes: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
949 pub fn SecItemUpdate(query: CFDictionaryRef, attributes: CFDictionaryRef) -> OSStatus;
950 pub fn SecItemDelete(query: CFDictionaryRef) -> OSStatus;
951 pub fn SecItemCopyMatching(query: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
952 }
953
954 pub const errSecSuccess: OSStatus = 0;
955 pub const errSecUserCanceled: OSStatus = -128;
956 pub const errSecItemNotFound: OSStatus = -25300;
957}
958
959#[cfg(test)]
960mod tests {
961 use crate::platform::Platform;
962
963 use super::*;
964
965 #[test]
966 fn test_clipboard() {
967 let platform = build_platform();
968 assert_eq!(platform.read_from_clipboard(), None);
969
970 let item = ClipboardItem::new("1".to_string());
971 platform.write_to_clipboard(item.clone());
972 assert_eq!(platform.read_from_clipboard(), Some(item));
973
974 let item = ClipboardItem::new("2".to_string()).with_metadata(vec![3, 4]);
975 platform.write_to_clipboard(item.clone());
976 assert_eq!(platform.read_from_clipboard(), Some(item));
977
978 let text_from_other_app = "text from other app";
979 unsafe {
980 let bytes = NSData::dataWithBytes_length_(
981 nil,
982 text_from_other_app.as_ptr() as *const c_void,
983 text_from_other_app.len() as u64,
984 );
985 platform
986 .pasteboard
987 .setData_forType(bytes, NSPasteboardTypeString);
988 }
989 assert_eq!(
990 platform.read_from_clipboard(),
991 Some(ClipboardItem::new(text_from_other_app.to_string()))
992 );
993 }
994
995 fn build_platform() -> MacPlatform {
996 let mut platform = MacPlatform::new();
997 platform.pasteboard = unsafe { NSPasteboard::pasteboardWithUniqueName(nil) };
998 platform
999 }
1000}