Move compound-ios package into the project.

compound-ios/Sources/Compound/Colors/CompoundColors.swift

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+//
+// Copyright 2023, 2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+// Please see LICENSE files in the repository root for full details.
+//
+
+import CompoundDesignTokens
+import SwiftUI
+
+public extension Color {
+    /// The colours used by Element as defined in Compound Design Tokens.
+    static let compound = CompoundColors()
+}
+
+public extension ShapeStyle where Self == Color {
+    /// The colours used by Element as defined in Compound Design Tokens.
+    static var compound: CompoundColors { Self.compound }
+}
+
+/// The colours used by Element as defined in Compound Design Tokens.
+/// This struct contains only the colour tokens in a more usable form.
+@dynamicMemberLookup
+public class CompoundColors {
+    /// The base colour tokens that form the palette of available colours.
+    ///
+    /// Normally these shouldn't be necessary, however in practice we may need
+    /// access for temporary tokens while waiting for official ones to be formalised.
+    private static let coreTokens = CompoundCoreColorTokens.self
+    /// The main semantic tokens generated from the Style Dictionary.
+    private let tokens: CompoundColorTokens
+    /// Runtime overrides for the `tokens` property.
+    private var overrides = [KeyPath<CompoundColorTokens, Color>: Color]()
+    
+    public subscript(dynamicMember keyPath: KeyPath<CompoundColorTokens, Color>) -> Color {
+        return overrides[keyPath] ?? tokens[keyPath: keyPath]
+    }
+    
+    /// Customise the colour at the specified key path with the supplied colour.
+    /// Supplying `nil` as the colour will remove any existing customisation.
+    public func override(_ keyPath: KeyPath<CompoundColorTokens, Color>, with color: Color?) {
+        overrides[keyPath] = color
+    }
+    
+    init() {
+        let tokens = CompoundColorTokens()
+        self.tokens = tokens
+        
+        decorativeColors = [
+           .init(background: tokens.bgDecorative1, text: tokens.textDecorative1),
+           .init(background: tokens.bgDecorative2, text: tokens.textDecorative2),
+           .init(background: tokens.bgDecorative3, text: tokens.textDecorative3),
+           .init(background: tokens.bgDecorative4, text: tokens.textDecorative4),
+           .init(background: tokens.bgDecorative5, text: tokens.textDecorative5),
+           .init(background: tokens.bgDecorative6, text: tokens.textDecorative6),
+       ]
+    }
+    
+    // MARK: - Decorative Colors
+    // Used to determine the background and text colors of avatars, usernames etc.
+    
+    let decorativeColors: [DecorativeColor]
+    
+    public func decorativeColor(for contentID: String) -> DecorativeColor {
+        decorativeColors[contentID.hashCode]
+    }
+    
+    // MARK: - Awaiting Semantic Tokens
+    
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _borderTextFieldFocused = coreTokens.gray500
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgBubbleIncoming = Color(UIColor { $0.isLight ? UIColor(coreTokens.gray300) : UIColor(coreTokens.gray400) })
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgBubbleOutgoing = Color(UIColor { $0.isLight ? UIColor(coreTokens.gray400) : UIColor(coreTokens.gray500) })
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgCodeBlock = coreTokens.gray100
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _borderInteractiveSecondaryAlpha = coreTokens.alphaGray600
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgSubtleSecondaryAlpha = coreTokens.alphaGray300
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgCriticalSubtleAlpha = coreTokens.alphaRed300
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgEmptyItemAlpha = coreTokens.alphaGray500
+}
+
+private extension UITraitCollection {
+    /// Whether or not the trait collection contains a `userInterfaceStyle` of `.light`.
+    var isLight: Bool { userInterfaceStyle == .light }
+}
+
+public struct DecorativeColor: Equatable {
+    public let background: Color
+    public let text: Color
+}
+
+private extension String {
+    /// Calculates a numeric hash same as Element Web
+    /// See original function here https://github.com/matrix-org/matrix-react-sdk/blob/321dd49db4fbe360fc2ff109ac117305c955b061/src/utils/FormattingUtils.js#L47
+    var hashCode: Int {
+        let characterCodeSum = self.reduce(0) { sum, character in
+            sum + Int(character.unicodeScalars.first?.value ?? 0)
+        }
+        return (characterCodeSum % Color.compound.decorativeColors.count)
+    }
+}

compound-ios/Sources/Compound/Colors/CompoundGradients.swift

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+// 
+// Copyright 2025 New Vector Ltd
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+// Please see LICENSE in the repository root for full details.
+//
+
+import CompoundDesignTokens
+import SwiftUI
+
+public extension Gradient {
+    /// The gradients used by Element as defined in Compound Design Tokens.
+    static let compound = CompoundGradients()
+}
+
+/// The gradients used by Element as defined in Compound Design Tokens.
+/// This struct only contains the gradients assembled from the individual colour stops.
+public struct CompoundGradients {
+    // We need to use computed properties here so that the gradients include the
+    // latest token overrides that have been applied since the struct was created.
+    public var action: Gradient { .init(colors: [.compound.gradientActionStop1,
+                                                 .compound.gradientActionStop2,
+                                                 .compound.gradientActionStop3,
+                                                 .compound.gradientActionStop4]) }
+    public var subtle: Gradient { .init(colors: [.compound.gradientSubtleStop1,
+                                                 .compound.gradientSubtleStop2,
+                                                 .compound.gradientSubtleStop3,
+                                                 .compound.gradientSubtleStop4,
+                                                 .compound.gradientSubtleStop5,
+                                                 .compound.gradientSubtleStop6]) }
+    public var info: Gradient { .init(colors: [.compound.gradientInfoStop1,
+                                               .compound.gradientInfoStop2,
+                                               .compound.gradientInfoStop3,
+                                               .compound.gradientInfoStop4,
+                                               .compound.gradientInfoStop5,
+                                               .compound.gradientInfoStop6]) }
+}

compound-ios/Sources/Compound/Colors/CompoundUIColors.swift

@@ -0,0 +1,53 @@
+//
+// Copyright 2023, 2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+// Please see LICENSE files in the repository root for full details.
+//
+
+import CompoundDesignTokens
+import UIKit
+
+public extension UIColor {
+    /// The colours used by Element as defined in Compound Design Tokens.
+    static let compound = CompoundUIColors()
+}
+
+/// The colours used by Element as defined in Compound Design Tokens.
+/// This struct contains only the colour tokens in a more usable form.
+@dynamicMemberLookup
+public class CompoundUIColors {
+    /// The base colour tokens that form the palette of available colours.
+    ///
+    /// Normally these shouldn't be necessary, however in practice we may need
+    /// access for temporary tokens while waiting for official ones to be formalised.
+    private static let coreTokens = CompoundCoreUIColorTokens.self
+    /// The main semantic tokens generated from the Style Dictionary.
+    private let tokens = CompoundUIColorTokens()
+    /// Runtime overrides for the `tokens` property.
+    private var overrides = [KeyPath<CompoundUIColorTokens, UIColor>: UIColor]()
+    
+    public subscript(dynamicMember keyPath: KeyPath<CompoundUIColorTokens, UIColor>) -> UIColor {
+        return overrides[keyPath] ?? tokens[keyPath: keyPath]
+    }
+    
+    /// Customise the colour at the specified key path with the supplied colour.
+    /// Supplying `nil` as the colour will remove any existing customisation.
+    public func override(_ keyPath: KeyPath<CompoundUIColorTokens, UIColor>, with color: UIColor?) {
+        overrides[keyPath] = color
+    }
+    
+    // MARK: - Awaiting Semantic Tokens
+    
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgCodeBlock = coreTokens.gray100
+    /// This token is a placeholder and hasn't been finalised.
+    @available(iOS, deprecated: 100000.0, message: "This token should be generated by now.")
+    public let _bgSubtleSecondaryAlpha = coreTokens.alphaGray300
+}
+
+private extension UITraitCollection {
+    /// Whether or not the trait collection contains a `userInterfaceStyle` of `.light`.
+    var isLight: Bool { userInterfaceStyle == .light }
+}