steipete

import UIKit

extension UIView {
  struct AnimationContext {
    public let duration: TimeInterval
    public let timingParameters: UITimingCurveProvider?
  }
}

extension UIView {

steipete

import UIKit

extension UIView {
  struct AnimationContext {
    public let duration: TimeInterval
    public let timingParameters: UITimingCurveProvider?
  }
}

extension UIView {

steipete

// http://defagos.github.io/yet_another_article_about_method_swizzling/ (Thank you!!)
// Returns the original implementation
static _Nullable IMP pspdf_swizzleSelector(Class clazz, SEL selector, IMP newImplementation) {
    NSCParameterAssert(clazz);
    NSCParameterAssert(selector);
    NSCParameterAssert(newImplementation);

    // If the method does not exist for this class, do nothing.
    const Method method = class_getInstanceMethod(clazz, selector);
    if (!method) {

steipete

/**
 HACK around FB6940492: Mac Catalyst: Crash when presenting view controllers

 'NSRangeException', reason: 'Cannot remove an observer <UINSSceneViewController 0x600003558790> for the key path "view.window.screen.contentLayoutRect" from <UINSSceneViewController 0x600003558790> because it is not registered as an observer.'

 0   CoreFoundation                      0x00007fff3b20f183 __exceptionPreprocess + 250
 1   libobjc.A.dylib                     0x00007fff71719b64 objc_exception_throw + 48
 2   Foundation                          0x00007fff3d8ca2aa -[NSObject(NSKeyValueObserverRegistration) _removeObserver:forProperty:] + 578
 3   Foundation                          0x00007fff3d8ca01b -[NSObject(NSKeyValueObserverRegistration) removeObserver:forKeyPath:] + 74
 4   Foundation                          0x00007fff3d8e2898 -[NSObject(NSKeyValueObserverRegistration) removeObserver:forKeyPath:context:] + 190

steipete

// This code fetches the matching NSWindow from an UIWindow.
let nsWindowFromUIWindow = ^(UIWindow *referenceUIWindow) {
    // This is public AppKit API and should be safe to use.
    NSArray *const nsWindows = [NSClassFromString(@"NSApplication") valueForKeyPath:@"sharedApplication.windows"];
    for (id nsWindow in nsWindows) {
        NSArray<UIWindow *> *uiWindows;
        @try {
            /*
               NSWindow hosts one or multiple UIWindows.
               (e.g. your app window + the text selection window).

steipete

// AppDelegate.swift:

    // macCatalyst: Create menu
    override func buildMenu(with builder: UIMenuBuilder) {
        guard builder.system == .main else { return }
        
        // The format menu doesn't make sense
        builder.remove(menu: .format)
        
        // Add Open command

steipete

static _Atomic(BOOL) _applicationWillTerminate = NO;
__attribute__((constructor)) static void PSPDFInstallAppWillTerminateHandler(void) {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        [NSNotificationCenter.defaultCenter addObserverForName:UIApplicationWillTerminateNotification object:nil queue:nil usingBlock:^(NSNotification *note) {
            _applicationWillTerminate = YES;
            PSPDFLogWarning(@"Application shutdown event detected.");
        }];
    });
}

steipete

extension UndoManager {
    @objc func workaround_pspdf_endUndoGrouping() {
        guard self.groupingLevel > 0 else { return }
        self.workaround_pspdf_endUndoGrouping()
    }

    // Ensure this is only called once!
    fileprivate static func InstallWorkaroundForRdar46395110() {
        let originalSelector = #selector(UndoManager.endUndoGrouping)
        let swizzledSelector = #selector(UndoManager.workaround_pspdf_endUndoGrouping)

steipete

        // tl;dr:  FileManager.default.url(for:in:appropriateFor:create:) has unexpected behavior in Simulator and creates temporary folders outside the tmp/ directory.

        let tmpDirClassic = NSTemporaryDirectory()
        print("tmpDirClassic: \(tmpDirClassic)")
        // This is the same code, just syntax sugar for NSTemporaryDirectory()
        // https://github.com/apple/swift-corelibs-foundation/blob/master/Foundation/FileManager.swift#L1420-L1422
        let tmpDirClassicNewShim = FileManager.default.temporaryDirectory
        print("tmpDirClassicNewShim: \(tmpDirClassicNewShim)")

        // Simulator: /Users/steipete/Library/Developer/CoreSimulator/Devices/31C05637-B9C9-482C-A6CE-D063A7CECF64/data/Containers/Data/Application/A68D11A4-88BA-4FCF-A8B1-D102945D0740/tmp/

steipete

#import <Foundation/Foundation.h>

@class NSString, UHASToolbarItem;

__attribute__((weak_import)) @interface _UIWindowToolbarItem : NSObject

@property(readonly, copy, nonatomic) NSString *label;
@property(readonly, copy, nonatomic) NSString *identifier;
- (id)initWithIdentifier:(id)arg1;