mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
77 lines
2.4 KiB
Swift
77 lines
2.4 KiB
Swift
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#if os(iOS)
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import UIKit
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import WebKit
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/// A class responsible for creating a WKWebView for use within Firebase Auth.
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@available(iOS 13, tvOS 13, macOS 10.15, macCatalyst 13, watchOS 7, *)
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class AuthWebView: UIView {
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lazy var webView: WKWebView = createWebView()
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lazy var spinner: UIActivityIndicatorView = createSpinner()
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override init(frame: CGRect) {
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super.init(frame: frame)
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backgroundColor = .white
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initializeSubviews()
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}
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@available(*, unavailable)
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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private func initializeSubviews() {
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let webView = createWebView()
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let spinner = createSpinner()
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// The order of the following controls z-order.
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addSubview(webView)
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addSubview(spinner)
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layoutSubviews()
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self.webView = webView
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self.spinner = spinner
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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let height = bounds.size.height
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let width = bounds.size.width
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webView.frame = CGRect(x: 0, y: 0, width: width, height: height)
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spinner.center = webView.center
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}
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private func createWebView() -> WKWebView {
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let webView = WKWebView(frame: .zero)
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// Trickery to make the web view not do weird things (like showing a black background when
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// the prompt in the navigation bar animates changes.)
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webView.isOpaque = false
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webView.backgroundColor = .clear
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webView.scrollView.isOpaque = false
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webView.scrollView.backgroundColor = .clear
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webView.scrollView.bounces = false
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webView.scrollView.alwaysBounceVertical = false
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webView.scrollView.alwaysBounceHorizontal = false
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return webView
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}
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private func createSpinner() -> UIActivityIndicatorView {
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return UIActivityIndicatorView(style: .medium)
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}
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}
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#endif
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