34 lines
1.1 KiB
Swift
34 lines
1.1 KiB
Swift
//
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// Swizzler.swift
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// Duckable
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//
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// Created by Shadowfacts on 11/7/22.
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//
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import UIKit
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import os.log
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private var hasInitialized = false
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var isDetentChangingDueToGrabberAction = false
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@available(iOS 16.0, *)
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func swizzleSheetController() {
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guard !hasInitialized else {
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return
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}
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hasInitialized = true
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var originalIMP: IMP?
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let imp = imp_implementationWithBlock({ (self: UISheetPresentationController, param: AnyObject) in
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let original = unsafeBitCast(originalIMP!, to: (@convention(c) (UISheetPresentationController, AnyObject) -> Void).self)
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isDetentChangingDueToGrabberAction = true
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original(self, param)
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isDetentChangingDueToGrabberAction = false
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} as @convention(block) (UISheetPresentationController, AnyObject) -> Void)
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let sel = [":", "PrimaryAction", "GrabberDidTrigger", "dropShadowView", "_"].reversed().joined()
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originalIMP = class_replaceMethod(UISheetPresentationController.self, Selector(sel), imp, "v@:@")
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if originalIMP == nil {
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os_log(.fault, log: .default, "Unable to initialize Duckable grabber tap hook")
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}
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}
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