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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
internal import WebKit_Private
#if os(macOS) && !targetEnvironment(macCatalyst)
@_spiOnly import WebKit_Private._WKContextMenuElementInfo
@_spiOnly import WebKit_Private._WKHitTestResult
#endif
private struct DefaultDialogPresenting: DialogPresenting {
}
@MainActor
final class WKUIDelegateAdapter: NSObject, WKUIDelegate {
init(dialogPresenter: (any DialogPresenting)?) {
self.dialogPresenter = dialogPresenter ?? DefaultDialogPresenting()
}
weak var owner: WebPage? = nil
#if os(macOS) && !targetEnvironment(macCatalyst)
var menuBuilder: ((WebPage.ElementInfo) -> NSMenu)? = nil
#endif
private let dialogPresenter: any DialogPresenting
// MARK: Dialog presentation
func webView(_ webView: WKWebView, runJavaScriptAlertPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo) async {
await dialogPresenter.handleJavaScriptAlert(message: message, initiatedBy: .init(frame))
}
func webView(_ webView: WKWebView, runJavaScriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo) async -> Bool {
let result = await dialogPresenter.handleJavaScriptConfirm(message: message, initiatedBy: .init(frame))
return switch result {
case .ok: true
case .cancel: false
}
}
func webView(_ webView: WKWebView, runJavaScriptTextInputPanelWithPrompt prompt: String, defaultText: String?, initiatedByFrame frame: WKFrameInfo) async -> String? {
let result = await dialogPresenter.handleJavaScriptPrompt(message: prompt, defaultText: defaultText, initiatedBy: .init(frame))
return switch result {
case let .ok(value): value
case .cancel: nil
}
}
func webView(_ webView: WKWebView, runOpenPanelWith parameters: WKOpenPanelParameters, initiatedByFrame frame: WKFrameInfo) async -> [URL]? {
let result = await dialogPresenter.handleFileInputPrompt(parameters: parameters, initiatedBy: .init(frame))
return switch result {
case let .ok(value): value
case .cancel: nil
}
}
// MARK: Permissions
func webView(_ webView: WKWebView, requestDeviceOrientationAndMotionPermissionFor origin: WKSecurityOrigin, initiatedByFrame frame: WKFrameInfo) async -> WKPermissionDecision {
guard let owner else {
return .prompt
}
return await owner.configuration.deviceSensorAuthorization.decisionHandler(.deviceOrientationAndMotion, .init(frame), origin)
}
func webView(_ webView: WKWebView, decideMediaCapturePermissionsFor origin: WKSecurityOrigin, initiatedBy frame: WKFrameInfo, type: WKMediaCaptureType) async -> WKPermissionDecision {
guard let owner else {
return .prompt
}
return await owner.configuration.deviceSensorAuthorization.decisionHandler(.mediaCapture(type), .init(frame), origin)
}
// MARK: Context menu support
#if os(macOS)
@objc(_webView:getContextMenuFromProposedMenu:forElement:userInfo:completionHandler:)
func _webView(_ webView: WKWebView!, getContextMenuFromProposedMenu menu: NSMenu!, forElement element: _WKContextMenuElementInfo!, userInfo: (any NSSecureCoding)!) async -> NSMenu? {
guard let menuBuilder else {
return menu
}
let info = WebPage.ElementInfo(linkURL: element.hitTestResult.absoluteLinkURL)
return menuBuilder(info)
}
#endif
}
#endif
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