added ios module

ios/OralTrainer/Views/PlayerSectionView.swift

@@ -0,0 +1,194 @@
+import SwiftUI
+
+/// 播放区 + 悬浮信息 + 进度/句面板。训练与全屏横屏共用。
+struct PlayerSectionView: View {
+    @ObservedObject var controller: PlayerController
+    var showsContinuousToggle: Bool
+    @Binding var continuousPlayback: Bool
+    var onFullscreen: () -> Void
+
+    @State private var progressDragging = false
+    @State private var dragPositionMs: Int64 = 0
+
+    var body: some View {
+        VStack(spacing: 0) {
+            playerSurface
+            sentencePanel
+        }
+        .padding(.horizontal, 16)
+    }
+
+    private var playerSurface: some View {
+        ZStack {
+            PlayerSurfaceView(controller: controller)
+                .aspectRatio(16.0 / 9.0, contentMode: .fit)
+                .frame(maxWidth: .infinity)
+            VStack {
+                HStack(spacing: 8) {
+                    overlayPill(timeText)
+                    Spacer()
+                    Button(action: cycleSpeed) {
+                        overlayPill(Theme.formatSpeed(controller.snapshot.speed))
+                    }
+                    .buttonStyle(.plain)
+                }
+                Spacer()
+            }
+            .padding(12)
+            VStack {
+                Spacer()
+                HStack {
+                    Spacer()
+                    Button(action: onFullscreen) {
+                        Image(systemName: "arrow.up.left.and.arrow.down.right")
+                            .font(.system(size: 18, weight: .bold))
+                            .foregroundColor(.white)
+                            .frame(width: 44, height: 44)
+                            .background(Theme.overlay)
+                            .clipShape(Circle())
+                    }
+                    .buttonStyle(.plain)
+                }
+            }
+            .padding(12)
+        }
+        .background(Color.black)
+        .clipShape(RoundedRectangle(cornerRadius: 8))
+        .overlay(
+            RoundedRectangle(cornerRadius: 8)
+                .stroke(Theme.border, lineWidth: 1)
+        )
+        .padding(.bottom, 10)
+    }
+
+    private var sentencePanel: some View {
+        VStack(alignment: .leading, spacing: 6) {
+            Text(controller.currentItem?.title ?? "未选择课程")
+                .font(.system(size: 17, weight: .bold))
+                .foregroundColor(.white)
+                .lineLimit(1)
+            if showsContinuousToggle {
+                HStack(spacing: 0) {
+                    Text("连续播放")
+                        .font(.system(size: 13, weight: .bold))
+                        .foregroundColor(Theme.textSubtle)
+                    Spacer()
+                    Toggle("", isOn: $continuousPlayback)
+                        .labelsHidden()
+                        .tint(Theme.accent)
+                }
+                .padding(.vertical, 2)
+            }
+            Text(sentenceMetaText)
+                .font(.system(size: 13))
+                .foregroundColor(Theme.textSubtle)
+            Text(sentenceTextText)
+                .font(.system(size: 15))
+                .foregroundColor(.white)
+                .lineLimit(2)
+            progressRow
+            Text(statusText)
+                .font(.system(size: 13))
+                .foregroundColor(Theme.textSubtle)
+        }
+        .padding(.bottom, 10)
+    }
+
+    private var progressRow: some View {
+        let duration = controller.snapshot.durationMs
+        return HStack(spacing: 8) {
+            Slider(
+                value: progressBinding,
+                in: 0...max(1, Double(duration)),
+                onEditingChanged: { editing in
+                    if editing {
+                        progressDragging = true
+                    } else {
+                        progressDragging = false
+                        controller.seek(to: dragPositionMs)
+                    }
+                }
+            )
+            .tint(Theme.accent)
+        }
+    }
+
+    private var progressBinding: Binding<Double> {
+        Binding(
+            get: {
+                if progressDragging {
+                    return Double(dragPositionMs)
+                }
+                return Double(controller.snapshot.positionMs)
+            },
+            set: { newValue in
+                dragPositionMs = Int64(newValue)
+            }
+        )
+    }
+
+    private var timeText: String {
+        let snapshot = controller.snapshot
+        return "\(Theme.formatTime(snapshot.positionMs)) / \(Theme.formatTime(snapshot.durationMs))"
+    }
+
+    private var sentenceMetaText: String {
+        switch controller.boundaryState {
+        case .loading(let isLocal):
+            return isLocal ? "句子边界分析中" : "句子边界加载中"
+        case .failed:
+            return "暂无句子边界"
+        case .idle, .loaded:
+            guard let sentence = controller.currentSentence else {
+                return "暂无句子边界"
+            }
+            let count = controller.currentItem?.sentences.count ?? 0
+            let countText = count > 0 ? " / \(count)" : ""
+            return "第 \(sentence.index + 1)\(countText) 句  \(Theme.formatTime(sentence.startMs))-\(Theme.formatTime(sentence.endMs))"
+        }
+    }
+
+    private var sentenceTextText: String {
+        switch controller.boundaryState {
+        case .loading(let isLocal):
+            if isLocal {
+                return "正在匹配服务端句子边界"
+            }
+            return controller.currentItem?.title ?? "加载中"
+        case .failed:
+            return controller.currentItem?.title ?? "未选择课程"
+        case .idle, .loaded:
+            guard let sentence = controller.currentSentence else {
+                return controller.currentItem?.title ?? "未选择课程"
+            }
+            if let text = sentence.text, !text.isEmpty {
+                return text
+            }
+            return "当前句子"
+        }
+    }
+
+    private var statusText: String {
+        if let message = controller.transientMessage {
+            return message
+        }
+        return controller.playbackStatusText(controller.snapshot)
+    }
+
+    private func overlayPill(_ text: String) -> some View {
+        Text(text)
+            .font(.system(size: 13, weight: .bold))
+            .foregroundColor(.white)
+            .padding(.horizontal, 10)
+            .padding(.vertical, 6)
+            .background(Theme.overlay)
+            .clipShape(RoundedRectangle(cornerRadius: 8))
+    }
+
+    private func cycleSpeed() {
+        let current = controller.snapshot.speed
+        let cycle: [Float] = [1.0, 1.25, 1.5, 1.75, 2.0]
+        let next = cycle.first { $0 > current + 0.001 } ?? cycle.first ?? 1.0
+        controller.setPlaybackSpeed(next)
+    }
+}