Tokamak/Sources/TokamakCore/App/_AnyApp.swift

68 lines
2.0 KiB
Swift

// Copyright 2020-2021 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Created by Carson Katri on 7/19/20.
//
import OpenCombineShim
public struct _AnyApp: App {
var app: Any
let type: Any.Type
let bodyClosure: (Any) -> _AnyScene
let bodyType: Any.Type
public init<A: App>(_ app: A) {
self.app = app
type = A.self
// swiftlint:disable:next force_cast
bodyClosure = { _AnyScene(($0 as! A).body) }
bodyType = A.Body.self
}
@_spi(TokamakCore)
public var body: Never {
neverScene("_AnyApp")
}
@_spi(TokamakCore)
public init() {
fatalError("`_AnyApp` cannot be initialized without an underlying `App` type.")
}
@_spi(TokamakCore)
public static func _launch(_ app: Self, with configuration: _AppConfiguration) {
fatalError("`_AnyApp` cannot be launched. Access underlying `app` value.")
}
@_spi(TokamakCore)
public static func _setTitle(_ title: String) {
fatalError("`title` cannot be set for `AnyApp`. Access underlying `app` value.")
}
public static var _configuration: _AppConfiguration {
fatalError("`configuration` cannot be set for `AnyApp`. Access underlying `app` value.")
}
@_spi(TokamakCore)
public var _phasePublisher: AnyPublisher<ScenePhase, Never> {
fatalError("`_AnyApp` cannot monitor scenePhase. Access underlying `app` value.")
}
@_spi(TokamakCore)
public var _colorSchemePublisher: AnyPublisher<ColorScheme, Never> {
fatalError("`_AnyApp` cannot monitor colorScheme. Access underlying `app` value.")
}
}