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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// 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_Internal
extension WebPage {
/// A type that specifies the behaviors to use when loading and rendering page content.
///
/// Create a `NavigationPreferences` value when you want to change the default rendering behavior of
/// your web page. Typically, iOS devices render web content for a mobile experience, and Mac devices
/// render content for a desktop experience.
@available(WK_IOS_TBA, WK_MAC_TBA, WK_XROS_TBA, *)
@available(watchOS, unavailable)
@available(tvOS, unavailable)
public struct NavigationPreferences: Sendable {
/// Options to indicate how to render web view content.
///
/// Browsers often render webpages differently based on device type. For example, Safari provides a
/// desktop-class experience when displaying webpages on Mac and iPad, but it displays a mobile experience
/// when displaying pages on iPhone. Use content modes to specify how you want your web page to render
/// content within your app.
public enum ContentMode: Sendable {
/// The content mode that is appropriate for the current device.
case recommended
/// The content mode that represents a mobile experience.
case mobile
/// The content mode that represents a desktop experience.
case desktop
}
/// Preference for loading a webpage with HTTPS, and how failures should be handled.
public enum UpgradeToHTTPSPolicy: Sendable {
case keepAsRequested
case automaticFallbackToHTTP
case userMediatedFallbackToHTTP
case errorOnFailure
}
/// Creates a new NavigationPreferences value.
public init() {
}
/// The content mode for the web view to use when it loads and renders a webpage.
///
/// The default value of this property is `recommended`. The web page ignores this preference for subframe navigation.
public var preferredContentMode: ContentMode = .recommended
/// Indicates whether JavaScript from web content is allowed to run.
///
/// The default value of this property is `true`. If you change the value to `false`, the web page doesn’t
/// execute JavaScript code referenced by the web content. That includes JavaScript code found in inline `<script>`
/// elements, `javascript:` URLs, and all other referenced JavaScript content.
public var allowsContentJavaScript: Bool = true
/// Used when performing a top-level navigation to a webpage.
///
/// The default value is `.keepAsRequested`. The stated preference is ignored on subframe navigation, and it may be ignored based on system configuration.
/// The `WebPage.Configuration.upgradeKnownHostsToHTTPS` property supersedes this property for known hosts.
public var preferredHTTPSNavigationPolicy: UpgradeToHTTPSPolicy = .keepAsRequested
fileprivate var _isLockdownModeEnabled: Bool? = nil
/// A Boolean value that indicates whether to use Lockdown Mode in the web page.
///
/// By default, this reflects whether the user has enabled Lockdown Mode on the device. Update this preference to
/// override the device setting when you implement a per-website or similar setting.
public var isLockdownModeEnabled: Bool {
get { _isLockdownModeEnabled ?? false }
set { _isLockdownModeEnabled = newValue }
}
}
}
// MARK: Adapters
extension WKWebpagePreferences.ContentMode {
init(_ wrapped: WebPage.NavigationPreferences.ContentMode) {
self = switch wrapped {
case .recommended: .recommended
case .mobile: .mobile
case .desktop: .desktop
}
}
}
extension WKWebpagePreferences.UpgradeToHTTPSPolicy {
init(_ wrapped: WebPage.NavigationPreferences.UpgradeToHTTPSPolicy) {
self = switch wrapped {
case .keepAsRequested: .keepAsRequested
case .automaticFallbackToHTTP: .automaticFallbackToHTTP
case .userMediatedFallbackToHTTP: .userMediatedFallbackToHTTP
case .errorOnFailure: .errorOnFailure
}
}
}
extension WKWebpagePreferences {
convenience init(_ wrapped: WebPage.NavigationPreferences) {
self.init()
self.preferredContentMode = .init(wrapped.preferredContentMode)
self.preferredHTTPSNavigationPolicy = .init(wrapped.preferredHTTPSNavigationPolicy)
self.allowsContentJavaScript = wrapped.allowsContentJavaScript
if let isLockdownModeEnabled = wrapped._isLockdownModeEnabled, self.isLockdownModeEnabled != isLockdownModeEnabled {
self.isLockdownModeEnabled = isLockdownModeEnabled
}
}
}
extension WebPage.NavigationPreferences.ContentMode {
init(_ wrapped: WKWebpagePreferences.ContentMode) {
self = switch wrapped {
case .recommended: .recommended
case .mobile: .mobile
case .desktop: .desktop
@unknown default:
fatalError()
}
}
}
extension WebPage.NavigationPreferences.UpgradeToHTTPSPolicy {
init(_ wrapped: WKWebpagePreferences.UpgradeToHTTPSPolicy) {
self = switch wrapped {
case .keepAsRequested: .keepAsRequested
case .automaticFallbackToHTTP: .automaticFallbackToHTTP
case .userMediatedFallbackToHTTP: .userMediatedFallbackToHTTP
case .errorOnFailure: .errorOnFailure
@unknown default:
fatalError()
}
}
}
extension WebPage.NavigationPreferences {
@MainActor
init(_ wrapped: WKWebpagePreferences) {
self.init()
self.preferredContentMode = .init(wrapped.preferredContentMode)
self.preferredHTTPSNavigationPolicy = .init(wrapped.preferredHTTPSNavigationPolicy)
self.allowsContentJavaScript = wrapped.allowsContentJavaScript
self.isLockdownModeEnabled = wrapped.isLockdownModeEnabled
}
}
#endif
|
