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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
extension WebPage {
/// A particular state that occurs during the progression of a navigation.
@available(iOS 26.0, macOS 26.0, visionOS 26.0, *)
@available(watchOS, unavailable)
@available(tvOS, unavailable)
public enum NavigationEvent: Hashable, Sendable {
/// This event occurs when the page receives provisional approval to process a navigation request,
/// but before it receives a response to that request.
case startedProvisionalNavigation
/// This event occurs when the page received a server redirect for a request.
case receivedServerRedirect
/// This event occurs when the page has started to receive content for the main frame.
///
/// This happens immediately before the page starts to update the main frame.
case committed
/// This event occurs once the navigation is complete.
case finished
}
/// A specific error that caused a navigation to fail.
@available(iOS 26.0, macOS 26.0, visionOS 26.0, *)
@available(watchOS, unavailable)
@available(tvOS, unavailable)
public enum NavigationError: Error {
/// An error occurred during the early navigation process.
case failedProvisionalNavigation(any Error)
/// The navigation could not begin because the page has been closed.
case pageClosed
/// The process for the web content of this page was terminated for any reason.
case webContentProcessTerminated
/// The URL to navigate to is invalid.
case invalidURL
}
}
#endif // ENABLE_SWIFTUI && compiler(>=6.0)
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