324 lines
12 KiB
Swift
324 lines
12 KiB
Swift
import Foundation
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import SwiftUI
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private enum ChatUIConstants {
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static let bubbleMaxWidth: CGFloat = 560
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static let bubbleCorner: CGFloat = 18
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}
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@MainActor
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struct ChatMessageBubble: View {
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let message: ClawdisChatMessage
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let style: ClawdisChatView.Style
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var body: some View {
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ChatMessageBody(message: self.message, isUser: self.isUser, style: self.style)
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.frame(maxWidth: ChatUIConstants.bubbleMaxWidth, alignment: self.isUser ? .trailing : .leading)
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.frame(maxWidth: .infinity, alignment: self.isUser ? .trailing : .leading)
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.padding(.horizontal, 2)
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}
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private var isUser: Bool { self.message.role.lowercased() == "user" }
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}
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@MainActor
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private struct ChatMessageBody: View {
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let message: ClawdisChatMessage
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let isUser: Bool
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let style: ClawdisChatView.Style
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var body: some View {
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let text = self.primaryText
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let split = ChatMarkdownSplitter.split(markdown: text)
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let textColor = self.isUser ? ClawdisChatTheme.userText : ClawdisChatTheme.assistantText
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VStack(alignment: .leading, spacing: 10) {
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ForEach(split.blocks) { block in
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switch block.kind {
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case .text:
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MarkdownTextView(text: block.text, textColor: textColor)
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case let .code(language):
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CodeBlockView(code: block.text, language: language, isUser: self.isUser)
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}
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}
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if !split.images.isEmpty {
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ForEach(
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split.images,
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id: \ChatMarkdownSplitter.InlineImage.id)
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{ (item: ChatMarkdownSplitter.InlineImage) in
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if let img = item.image {
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ClawdisPlatformImageFactory.image(img)
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.resizable()
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.scaledToFit()
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.frame(maxHeight: 260)
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.clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous))
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.overlay(
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RoundedRectangle(cornerRadius: 12, style: .continuous)
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.strokeBorder(Color.white.opacity(0.12), lineWidth: 1))
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} else {
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Text(item.label.isEmpty ? "Image" : item.label)
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.font(.footnote)
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.foregroundStyle(.secondary)
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}
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}
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}
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if !self.inlineAttachments.isEmpty {
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ForEach(self.inlineAttachments.indices, id: \.self) { idx in
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AttachmentRow(att: self.inlineAttachments[idx], isUser: self.isUser)
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}
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}
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}
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.textSelection(.enabled)
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.padding(.vertical, 10)
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.padding(.horizontal, 12)
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.foregroundStyle(textColor)
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.background(self.bubbleBackground)
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.overlay(self.bubbleBorder)
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.clipShape(RoundedRectangle(cornerRadius: ChatUIConstants.bubbleCorner, style: .continuous))
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}
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private var primaryText: String {
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let parts = self.message.content.compactMap(\.text)
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return parts.joined(separator: "\n").trimmingCharacters(in: .whitespacesAndNewlines)
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}
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private var inlineAttachments: [ClawdisChatMessageContent] {
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self.message.content.filter { ($0.type ?? "text") != "text" }
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}
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private var bubbleBackground: AnyShapeStyle {
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let fill: Color
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if self.isUser {
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fill = ClawdisChatTheme.userBubble
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} else if self.style == .onboarding {
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fill = ClawdisChatTheme.card
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} else {
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fill = ClawdisChatTheme.assistantBubble
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}
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return AnyShapeStyle(fill)
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}
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private var bubbleBorder: some View {
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RoundedRectangle(cornerRadius: ChatUIConstants.bubbleCorner, style: .continuous)
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.strokeBorder(
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self.isUser ? Color.white.opacity(0.12) : Color.black.opacity(0.08),
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lineWidth: self.isUser ? 0.5 : 1)
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}
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}
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private struct AttachmentRow: View {
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let att: ClawdisChatMessageContent
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let isUser: Bool
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var body: some View {
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HStack(spacing: 8) {
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Image(systemName: "paperclip")
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Text(self.att.fileName ?? "Attachment")
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.font(.footnote)
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.lineLimit(1)
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.foregroundStyle(self.isUser ? ClawdisChatTheme.userText : ClawdisChatTheme.assistantText)
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Spacer()
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}
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.padding(10)
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.background(self.isUser ? Color.white.opacity(0.2) : Color.black.opacity(0.04))
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.clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous))
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}
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}
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@MainActor
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struct ChatTypingIndicatorBubble: View {
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let style: ClawdisChatView.Style
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var body: some View {
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HStack(spacing: 10) {
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TypingDots()
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if self.style == .standard {
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Text("Clawd is thinking…")
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.font(.subheadline)
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.foregroundStyle(.secondary)
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Spacer()
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}
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}
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.padding(.vertical, self.style == .standard ? 12 : 10)
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.padding(.horizontal, self.style == .standard ? 12 : 14)
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.background(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.fill(ClawdisChatTheme.assistantBubble))
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.overlay(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.strokeBorder(Color.black.opacity(0.08), lineWidth: 1))
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.frame(maxWidth: ChatUIConstants.bubbleMaxWidth, alignment: .leading)
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}
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}
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@MainActor
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struct ChatStreamingAssistantBubble: View {
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let text: String
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var body: some View {
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VStack(alignment: .leading, spacing: 10) {
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ChatMarkdownBody(text: self.text, textColor: ClawdisChatTheme.assistantText)
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}
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.padding(12)
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.background(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.fill(ClawdisChatTheme.assistantBubble))
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.overlay(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.strokeBorder(Color.black.opacity(0.08), lineWidth: 1))
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.frame(maxWidth: ChatUIConstants.bubbleMaxWidth, alignment: .leading)
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}
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}
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@MainActor
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struct ChatPendingToolsBubble: View {
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let toolCalls: [ClawdisChatPendingToolCall]
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var body: some View {
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VStack(alignment: .leading, spacing: 8) {
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Label("Running tools…", systemImage: "hammer")
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.font(.caption)
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.foregroundStyle(.secondary)
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ForEach(self.toolCalls) { call in
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HStack(alignment: .firstTextBaseline, spacing: 8) {
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Text(call.name)
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.font(.footnote.monospaced())
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.lineLimit(1)
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Spacer(minLength: 0)
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ProgressView().controlSize(.mini)
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}
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.padding(10)
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.background(Color.white.opacity(0.06))
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.clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous))
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}
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}
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.padding(12)
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.background(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.fill(ClawdisChatTheme.assistantBubble))
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.overlay(
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RoundedRectangle(cornerRadius: 16, style: .continuous)
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.strokeBorder(Color.black.opacity(0.08), lineWidth: 1))
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.frame(maxWidth: ChatUIConstants.bubbleMaxWidth, alignment: .leading)
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}
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}
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@MainActor
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private struct TypingDots: View {
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@Environment(\.accessibilityReduceMotion) private var reduceMotion
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@State private var animate = false
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var body: some View {
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HStack(spacing: 5) {
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ForEach(0..<3, id: \.self) { idx in
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Circle()
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.fill(Color.secondary.opacity(0.55))
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.frame(width: 7, height: 7)
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.scaleEffect(self.reduceMotion ? 0.85 : (self.animate ? 1.05 : 0.70))
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.opacity(self.reduceMotion ? 0.55 : (self.animate ? 0.95 : 0.30))
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.animation(
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self.reduceMotion ? nil : .easeInOut(duration: 0.55)
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.repeatForever(autoreverses: true)
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.delay(Double(idx) * 0.16),
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value: self.animate)
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}
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}
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.onAppear {
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guard !self.reduceMotion else { return }
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self.animate = true
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}
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}
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}
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@MainActor
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private struct MarkdownTextView: View {
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let text: String
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let textColor: Color
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var body: some View {
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if let attributed = try? AttributedString(markdown: self.text) {
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Text(attributed)
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.font(.system(size: 14))
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.foregroundStyle(self.textColor)
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} else {
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Text(self.text)
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.font(.system(size: 14))
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.foregroundStyle(self.textColor)
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}
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}
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}
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@MainActor
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private struct ChatMarkdownBody: View {
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let text: String
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let textColor: Color
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var body: some View {
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let split = ChatMarkdownSplitter.split(markdown: self.text)
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VStack(alignment: .leading, spacing: 10) {
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ForEach(split.blocks) { block in
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switch block.kind {
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case .text:
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MarkdownTextView(text: block.text, textColor: self.textColor)
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case let .code(language):
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CodeBlockView(code: block.text, language: language, isUser: false)
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}
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}
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if !split.images.isEmpty {
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ForEach(
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split.images,
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id: \ChatMarkdownSplitter.InlineImage.id)
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{ (item: ChatMarkdownSplitter.InlineImage) in
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if let img = item.image {
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ClawdisPlatformImageFactory.image(img)
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.resizable()
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.scaledToFit()
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.frame(maxHeight: 260)
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.clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous))
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.overlay(
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RoundedRectangle(cornerRadius: 12, style: .continuous)
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.strokeBorder(Color.white.opacity(0.12), lineWidth: 1))
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} else {
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Text(item.label.isEmpty ? "Image" : item.label)
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.font(.footnote)
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.foregroundStyle(.secondary)
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}
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}
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}
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}
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.textSelection(.enabled)
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}
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}
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@MainActor
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private struct CodeBlockView: View {
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let code: String
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let language: String?
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let isUser: Bool
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var body: some View {
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VStack(alignment: .leading, spacing: 8) {
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if let language, !language.isEmpty {
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Text(language)
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.font(.caption2.monospaced())
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.foregroundStyle(.secondary)
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}
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Text(self.code)
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.font(.system(size: 13, weight: .regular, design: .monospaced))
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.foregroundStyle(self.isUser ? .white : .primary)
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.textSelection(.enabled)
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}
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.padding(12)
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.frame(maxWidth: .infinity, alignment: .leading)
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.background(self.isUser ? Color.white.opacity(0.16) : Color.black.opacity(0.06))
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.overlay(
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RoundedRectangle(cornerRadius: 12, style: .continuous)
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.strokeBorder(Color.black.opacity(0.08), lineWidth: 1))
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.clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous))
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}
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}
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