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48 lines
1.6 KiB
Swift
48 lines
1.6 KiB
Swift
//
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// Copyright 2021 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 Foundation
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import SwiftUI
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import DesignKit
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private struct ThemeKey: EnvironmentKey {
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static let defaultValue = ThemePublisher.shared.theme
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}
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extension EnvironmentValues {
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var theme: ThemeSwiftUI {
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get { self[ThemeKey.self] }
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set { self[ThemeKey.self] = newValue }
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}
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}
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extension View {
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/// A theme modifier for setting the theme for this view and all its descendants in the hierarchy.
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/// - Parameter theme: A theme to be set as the environment value.
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/// - Returns: The target view with the theme applied.
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func theme(_ theme: ThemeSwiftUI) -> some View {
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environment(\.theme, theme)
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}
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}
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extension View {
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/// A theme modifier for setting the theme by id for this view and all its descendants in the hierarchy.
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/// - Parameter themeId: ThemeIdentifier of a theme to be set as the environment value.
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/// - Returns: The target view with the theme applied.
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func theme(_ themeId: ThemeIdentifier) -> some View {
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return environment(\.theme, themeId.themeSwiftUI)
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}
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}
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