Signal-iOS/SignalUI/AppLaunch/SUIEnvironment.swift
2024-03-25 14:22:28 -05:00

62 lines
1.8 KiB
Swift

//
// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
import SignalServiceKit
public class SUIEnvironment: NSObject {
private static var _shared: SUIEnvironment = SUIEnvironment()
public class var shared: SUIEnvironment {
get {
return _shared
}
set {
guard CurrentAppContext().isRunningTests else {
owsFailDebug("Can only switch environments in tests.")
return
}
_shared = newValue
}
}
public var audioSessionRef: AudioSession = AudioSession()
public var contactsViewHelperRef: ContactsViewHelper = ContactsViewHelper()
public var chatColorsRef: ChatColors = ChatColors()
public var paymentsRef: Payments = PaymentsImpl()
private override init() {
super.init()
SwiftSingletons.register(self)
}
public func setup() {
registerCustomFonts()
}
private func registerCustomFonts() {
let bundle = Bundle(for: type(of: self))
guard
let ttfFontURLs = bundle.urls(forResourcesWithExtension: "ttf", subdirectory: nil),
let otfFontURLs = bundle.urls(forResourcesWithExtension: "otf", subdirectory: nil)
else {
return owsFailDebug("Failed to load fonts from bundle.")
}
for url in ttfFontURLs + otfFontURLs {
var error: Unmanaged<CFError>?
guard CTFontManagerRegisterFontsForURL(url as CFURL, .process, &error) else {
let errorMessage = (error?.takeRetainedValue()).map { String(describing: $0) } ?? "(unknown error)"
owsFailDebug("Could not register font with url \(url): \(errorMessage)")
continue
}
}
}
}