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// Copyright (C) 2024 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
#if ENABLE_SWIFTUI && compiler(>=6.0)
import Foundation
// MARK: DownloadCoordinator protocol
@_spi(Private)
public protocol DownloadCoordinator {
@MainActor
func destination(forDownload download: WebPage.DownloadID, response: URLResponse, suggestedFilename: String) async -> URL?
@MainActor
func authenticationChallengeDisposition(forDownload download: WebPage.DownloadID, challenge: URLAuthenticationChallenge) async -> (URLSession.AuthChallengeDisposition, URLCredential?)
@MainActor
func httpRedirectionPolicy(forDownload download: WebPage.DownloadID, response: HTTPURLResponse, newRequest request: URLRequest) async -> WebPage.Download.RedirectPolicy
@MainActor
func placeholderPolicy(forDownload download: WebPage.DownloadID) async -> WebPage.Download.PlaceholderPolicy
}
// MARK: Default implementation
@_spi(Private)
public extension DownloadCoordinator {
@MainActor
func destination(forDownload download: WebPage.DownloadID, response: URLResponse, suggestedFilename: String) async -> URL? {
nil
}
@MainActor
func authenticationChallengeDisposition(forDownload download: WebPage.DownloadID, challenge: URLAuthenticationChallenge) async -> (URLSession.AuthChallengeDisposition, URLCredential?) {
(.performDefaultHandling, nil)
}
@MainActor
func httpRedirectionPolicy(forDownload download: WebPage.DownloadID, response: HTTPURLResponse, newRequest request: URLRequest) async -> WebPage.Download.RedirectPolicy {
.allow
}
@MainActor
func placeholderPolicy(forDownload download: WebPage.DownloadID) async -> WebPage.Download.PlaceholderPolicy {
.disable(alternatePlaceholder: nil)
}
}
#endif
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