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https://github.com/vector-im/element-ios.git
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313331708d
* Initial implementation * Add verificationState to UserSessionInfo * Listen for changes device changes in the service.
58 lines
2.2 KiB
Swift
58 lines
2.2 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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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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//
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import Introspect
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import SwiftUI
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/// Introspects the view to find a table view on iOS 14/15 or a collection view
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/// on iOS 16 and sets the background to the specified color.
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struct ListBackgroundModifier: ViewModifier {
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/// The background color.
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let color: Color
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func body(content: Content) -> some View {
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// When using Xcode 13
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#if compiler(<5.7)
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// SwiftUI's List is backed by a table view.
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content.introspectTableView { $0.backgroundColor = UIColor(color) }
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// When using Xcode 14+
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#else
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if #available(iOS 16, *) {
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// SwiftUI's List is backed by a collection view on iOS 16.
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content
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.introspectCollectionView { $0.backgroundColor = UIColor(color) }
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.scrollContentBackground(.hidden)
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} else {
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// SwiftUI's List is backed by a table view on iOS 15 and below.
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content.introspectTableView { $0.backgroundColor = UIColor(color) }
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}
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#endif
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}
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}
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extension View {
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/// Sets the background color of a `List` using introspection.
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func listBackgroundColor(_ color: Color) -> some View {
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modifier(ListBackgroundModifier(color: color))
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}
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/// Finds a `UICollectionView` from a `SwiftUI.List`, or `SwiftUI.List` child.
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/// Stop gap until https://github.com/siteline/SwiftUI-Introspect/pull/169
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func introspectCollectionView(customize: @escaping (UICollectionView) -> Void) -> some View {
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introspect(selector: TargetViewSelector.ancestorOrSiblingContaining, customize: customize)
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}
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}
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