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
|
// 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
internal import WebKit_Private
fileprivate struct DefaultNavigationDecider: WebPage.NavigationDeciding {
}
@MainActor
final class WKNavigationDelegateAdapter: NSObject, WKNavigationDelegate {
init(
downloadProgressContinuation: AsyncStream<WebPage.DownloadEvent>.Continuation,
navigationDecider: (any WebPage.NavigationDeciding)?
) {
self.downloadProgressContinuation = downloadProgressContinuation
self.navigationDecider = navigationDecider ?? DefaultNavigationDecider()
}
weak var owner: WebPage? = nil
private let downloadProgressContinuation: AsyncStream<WebPage.DownloadEvent>.Continuation
private var navigationDecider: any WebPage.NavigationDeciding
// MARK: Navigation progress reporting
private func yieldNavigationProgress(kind: WebPage.NavigationEvent.Kind, cocoaNavigation: WKNavigation!) {
let navigation = WebPage.NavigationEvent(kind: kind, navigationID: .init(cocoaNavigation))
owner?.currentNavigationEvent = navigation
}
private func yieldDownloadProgress(kind: WebPage.DownloadEvent.Kind, download: WKDownload) {
let downloadEvent = WebPage.DownloadEvent(kind: kind, download: .init(download))
downloadProgressContinuation.yield(downloadEvent)
}
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
yieldNavigationProgress(kind: .startedProvisionalNavigation, cocoaNavigation: navigation)
}
func webView(_ webView: WKWebView, didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
yieldNavigationProgress(kind: .receivedServerRedirect, cocoaNavigation: navigation)
}
func webView(_ webView: WKWebView, didCommit navigation: WKNavigation!) {
yieldNavigationProgress(kind: .committed, cocoaNavigation: navigation)
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
yieldNavigationProgress(kind: .finished, cocoaNavigation: navigation)
}
func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: any Error) {
yieldNavigationProgress(kind: .failedProvisionalNavigation(underlyingError: error), cocoaNavigation: navigation)
}
func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: any Error) {
yieldNavigationProgress(kind: .failed(underlyingError: error), cocoaNavigation: navigation)
}
// MARK: Downloads
func webView(_ webView: WKWebView, navigationAction: WKNavigationAction, didBecome download: WKDownload) {
download.delegate = owner?.backingDownloadDelegate
yieldDownloadProgress(kind: .started, download: download)
}
func webView(_ webView: WKWebView, navigationResponse: WKNavigationResponse, didBecome download: WKDownload) {
download.delegate = owner?.backingDownloadDelegate
yieldDownloadProgress(kind: .started, download: download)
}
@objc(_webView:contextMenuDidCreateDownload:)
func _webView(_ webView: WKWebView!, contextMenuDidCreateDownload download: WKDownload!) {
download.delegate = owner?.backingDownloadDelegate
yieldDownloadProgress(kind: .started, download: download)
}
// MARK: Back-forward list support
@objc(_webView:backForwardListItemAdded:removed:)
func _webView(_ webView: WKWebView!, backForwardListItemAdded itemAdded: WKBackForwardListItem!, removed itemsRemoved: [WKBackForwardListItem]!) {
owner?.backForwardList = .init(webView.backForwardList)
}
// MARK: Navigation decisions
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, preferences: WKWebpagePreferences) async -> (WKNavigationActionPolicy, WKWebpagePreferences) {
let convertedAction = WebPage.NavigationAction(navigationAction)
var convertedPreferences = WebPage.NavigationPreferences(preferences)
let result = await navigationDecider.decidePolicy(for: convertedAction, preferences: &convertedPreferences)
let newPreferences = WKWebpagePreferences(convertedPreferences)
return (result, newPreferences)
}
func webView(_ webView: WKWebView, decidePolicyFor navigationResponse: WKNavigationResponse) async -> WKNavigationResponsePolicy {
let convertedResponse = WebPage.NavigationResponse(navigationResponse)
return await navigationDecider.decidePolicy(for: convertedResponse)
}
func webView(_ webView: WKWebView, respondTo challenge: URLAuthenticationChallenge) async -> (URLSession.AuthChallengeDisposition, URLCredential?) {
await navigationDecider.decideAuthenticationChallengeDisposition(for: challenge)
}
}
#endif
|
