1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// 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 {
@MainActor
@_spi(Private)
public struct Download: Sendable {
public enum RedirectPolicy: Sendable {
case allow
case cancel
}
public enum PlaceholderPolicy: Sendable {
case enable
case disable(alternatePlaceholder: URL?)
}
init(_ wrapped: WKDownload) {
self.wrapped = wrapped
}
public var originalRequest: URLRequest? { wrapped.originalRequest }
public var isUserInitiated: Bool { wrapped.isUserInitiated }
public var originatingFrame: WebPage.FrameInfo { .init(wrapped.originatingFrame) }
public var progress: Progress { wrapped.progress }
let wrapped: WKDownload
nonisolated public var id: DownloadID {
.init(wrapped)
}
@discardableResult
public func cancel() async -> Data? {
await withCheckedContinuation { continuation in
wrapped.cancel {
continuation.resume(returning: $0)
}
}
}
}
}
extension WebPage {
@_spi(Private)
public struct DownloadID: Sendable, Hashable, Equatable {
let rawValue: ObjectIdentifier
init(_ cocoaDownload: WKDownload) {
self.rawValue = ObjectIdentifier(cocoaDownload)
}
}
@_spi(Private)
public struct DownloadEvent: Sendable {
public enum Kind: Sendable {
case started
case receivedPlaceholderURL(URL)
case receivedFinalURL(URL)
case finished
case failed(underlyingError: any Error, resumeData: Data?)
}
@_spi(Testing)
public init(kind: Kind, download: WebPage.Download) {
self.kind = kind
self.download = download
}
public let kind: Kind
public let download: WebPage.Download
}
@_spi(Private)
public struct Downloads: AsyncSequence, Sendable {
public typealias AsyncIterator = Iterator
public typealias Element = DownloadEvent
public typealias Failure = Never
init(source: AsyncStream<Element>) {
self.source = source
}
private let source: AsyncStream<Element>
public func makeAsyncIterator() -> AsyncIterator {
Iterator(source: source.makeAsyncIterator())
}
}
}
extension WebPage.Downloads {
public struct Iterator: AsyncIteratorProtocol {
public typealias Element = WebPage.DownloadEvent
public typealias Failure = Never
init(source: AsyncStream<Element>.AsyncIterator) {
self.source = source
}
private var source: AsyncStream<Element>.AsyncIterator
public mutating func next() async -> Element? {
await source.next()
}
}
}
#endif
|
