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35 lines
1.4 KiB
Swift
35 lines
1.4 KiB
Swift
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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import Foundation
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import Shared
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import WebKit
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class PrintHelper: TabContentScript {
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fileprivate weak var tab: Tab?
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class func name() -> String {
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return "PrintHelper"
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}
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required init(tab: Tab) {
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self.tab = tab
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if let path = Bundle.main.path(forResource: "PrintHelper", ofType: "js"), let source = try? NSString(contentsOfFile: path, encoding: String.Encoding.utf8.rawValue) as String {
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let userScript = WKUserScript(source: source, injectionTime: WKUserScriptInjectionTime.atDocumentEnd, forMainFrameOnly: false)
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tab.webView!.configuration.userContentController.addUserScript(userScript)
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}
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}
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func scriptMessageHandlerName() -> String? {
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return "printHandler"
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}
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func userContentController(_ userContentController: WKUserContentController, didReceiveScriptMessage message: WKScriptMessage) {
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if let tab = tab, let webView = tab.webView {
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let printController = UIPrintInteractionController.shared
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printController.printFormatter = webView.viewPrintFormatter()
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printController.present(animated: true, completionHandler: nil)
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}
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}
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}
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