Tweak.xm

#import <UIKit/UIKit.h>
#import <objc/message.h>
#import <objc/runtime.h>

static char kSHFS_GestureKey;
static char kSHFS_HandlerKey;
static char kSHFS_EdgePanFixedKey;

static inline UIViewController *NearestViewController(UIView *v) {
    UIResponder *r = v;
    while (r) {
        if ([r isKindOfClass:[UIViewController class]]) return (UIViewController *)r;
        r = [r nextResponder];
    }
    return nil;
}

static inline UIView *FindSubviewByClassName(UIView *root, NSString *className) {
    if (!root) return nil;
    if ([NSStringFromClass([root class]) isEqualToString:className]) return root;

    for (UIView *v in root.subviews) {
        UIView *hit = FindSubviewByClassName(v, className);
        if (hit) return hit;
    }
    return nil;
}

static inline void ForceRateOnPVC(id pvc, float rate) {
    if (!pvc) return;

    SEL vsSel  = @selector(varispeedController);
    SEL setSel = @selector(varispeedSwitchController:didSelectRate:);

    if (![pvc respondsToSelector:vsSel] || ![pvc respondsToSelector:setSel]) return;

    id vs = ((id(*)(id, SEL))objc_msgSend)(pvc, vsSel);
    if (!vs) return;

    ((void(*)(id, SEL, id, float))objc_msgSend)(pvc, setSel, vs, rate);
}

@interface SHFSLongPressHandler : NSObject
@property (nonatomic, weak) UIView *hostView;
@property (nonatomic) BOOL didHaptic;
@end

@implementation SHFSLongPressHandler

- (id)playerViewControllerFromHost {
    UIView *playerView = FindSubviewByClassName(self.hostView, @"YTPlayerView");
    UIViewController *vc = playerView ? NearestViewController(playerView) : NearestViewController(self.hostView);
    if (vc && [NSStringFromClass([vc class]) isEqualToString:@"YTPlayerViewController"]) return (id)vc;
    return nil;
}

- (void)onLongPress:(UILongPressGestureRecognizer *)gr {
    id pvc = [self playerViewControllerFromHost];

    if (gr.state == UIGestureRecognizerStateBegan) {
        ForceRateOnPVC(pvc, 2.0f);

        if (!self.didHaptic) {
            UIImpactFeedbackGenerator *fg =
                [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleMedium];
            [fg impactOccurred];
            self.didHaptic = YES;
        }
        return;
    }

    if (gr.state == UIGestureRecognizerStateEnded ||
        gr.state == UIGestureRecognizerStateCancelled ||
        gr.state == UIGestureRecognizerStateFailed) {
        ForceRateOnPVC(pvc, 1.0f);
        self.didHaptic = NO;
        return;
    }
}

@end

static inline void SHFSDisableEdgePanInShortsIfNeeded(UIView *v, UILongPressGestureRecognizer *lp) {
    // Esegui una sola volta per window (evita ripetizioni)
    UIWindow *w = v.window;
    if (!w) return;
    if (objc_getAssociatedObject(w, &kSHFS_EdgePanFixedKey)) return;
    objc_setAssociatedObject(w, &kSHFS_EdgePanFixedKey, @YES, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    // Cerca UIScreenEdgePanGestureRecognizer salendo nella superview chain e nella window
    for (UIView *cur = v; cur != nil; cur = cur.superview) {
        for (UIGestureRecognizer *gr in cur.gestureRecognizers) {
            if ([gr isKindOfClass:[UIScreenEdgePanGestureRecognizer class]]) {
                // Quello che ti rompe i 16px: delaysTouchesBegan=YES. Noi lo disabilitiamo sempre in Shorts.
                gr.enabled = NO;
                gr.delaysTouchesBegan = NO;
                [(UIScreenEdgePanGestureRecognizer *)gr requireGestureRecognizerToFail:lp];
            }
        }
    }

    for (UIGestureRecognizer *gr in w.gestureRecognizers) {
        if ([gr isKindOfClass:[UIScreenEdgePanGestureRecognizer class]]) {
            gr.enabled = NO;
            gr.delaysTouchesBegan = NO;
            [(UIScreenEdgePanGestureRecognizer *)gr requireGestureRecognizerToFail:lp];
        }
    }
}

static inline void SHFSInstallGestureIfNeeded(UIView *v) {
    if (objc_getAssociatedObject(v, &kSHFS_GestureKey)) return;

    SHFSLongPressHandler *h = [SHFSLongPressHandler new];
    h.hostView = v;

    UILongPressGestureRecognizer *lp =
        [[UILongPressGestureRecognizer alloc] initWithTarget:h action:@selector(onLongPress:)];
    lp.minimumPressDuration = 0.15;        // try 0.12 for faster
    lp.allowableMovement = 60;
    lp.cancelsTouchesInView = YES;

    [v addGestureRecognizer:lp];

    // Make taps wait for our long-press
    for (UIGestureRecognizer *gr in v.gestureRecognizers) {
        if ([gr isKindOfClass:[UITapGestureRecognizer class]]) {
            [(UITapGestureRecognizer *)gr requireGestureRecognizerToFail:lp];
        }
    }

    // Make pans wait for our long-press
    for (UIGestureRecognizer *gr in v.gestureRecognizers) {
        if ([gr isKindOfClass:[UIPanGestureRecognizer class]]) {
            [(UIPanGestureRecognizer *)gr requireGestureRecognizerToFail:lp];
        }
    }

    // KEY FIX: disable the UIScreenEdgePanGestureRecognizer that delays touches on the left strip
    SHFSDisableEdgePanInShortsIfNeeded(v, lp);

    objc_setAssociatedObject(v, &kSHFS_GestureKey, lp, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    objc_setAssociatedObject(v, &kSHFS_HandlerKey, h, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

%hook YTShortsContentView

- (void)didMoveToWindow {
    %orig;
    if (((UIView *)self).window) {
        SHFSInstallGestureIfNeeded((UIView *)self);
    }
}

// Always block the stock menu long-press path
- (void)didLongPressForMenu:(UILongPressGestureRecognizer *)gr {
    return;
}

%end