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Fix concurrency warnings about gPingPongMap.

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This commit is contained in:
Brent Simmons 2024-05-03 11:12:15 -07:00
parent 5c31993b90
commit 6c1ea427af
1 changed files with 16 additions and 5 deletions
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21
Mac/SafariExtension/SafariExtensionHandler.swift
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@ -7,8 +7,9 @@
//
import SafariServices
import os
class SafariExtensionHandler: SFSafariExtensionHandler {
final class SafariExtensionHandler: SFSafariExtensionHandler {
// Safari App Extensions don't support any reasonable means of detecting whether a
// specific Safari page was loaded with the benefit of the extension's injected
@ -19,8 +20,9 @@ class SafariExtensionHandler: SFSafariExtensionHandler {
// I tried to use a NSMapTable from String to the closure directly, but Swift
// complains that the object has to be a class type.
typealias ValidationHandler = (Bool, String) -> Void
class ValidationWrapper {
typealias ValidationHandler = @Sendable (Bool, String) -> Void
final class ValidationWrapper: Sendable {
let validationHandler: ValidationHandler
init(validationHandler: @escaping ValidationHandler) {
@ -29,7 +31,16 @@ class SafariExtensionHandler: SFSafariExtensionHandler {
}
// Maps from UUID to a validation wrapper
static var gPingPongMap = Dictionary<String, ValidationWrapper>()
private static let _gPingPongMap: OSAllocatedUnfairLock<Dictionary<String, ValidationWrapper>> = OSAllocatedUnfairLock(initialState: [String: ValidationWrapper]())
static var gPingPongMap: [String: ValidationWrapper] {
get {
_gPingPongMap.withLock { $0 }
}
set {
_gPingPongMap.withLock { $0 = newValue }
}
}
static let validationQueue = DispatchQueue(label: "Toolbar Validation")
// Bottleneck for calling through to a validation handler we have saved, and removing it from the list.
@ -79,7 +90,7 @@ class SafariExtensionHandler: SFSafariExtensionHandler {
}
}
override func validateToolbarItem(in window: SFSafariWindow, validationHandler: @escaping ((Bool, String) -> Void)) {
override func validateToolbarItem(in window: SFSafariWindow, validationHandler: @escaping (Bool, String) -> Void) {
let uniqueValidationID = NSUUID().uuidString