fix(live-room): 방장 캡쳐 보호를 해제하고 비방장 보호를 유지한다

SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift

@@ -61,9 +61,21 @@ struct LiveRoomViewV2: View {
 
         return I18n.LiveRoom.chatFreezeBlockedMessage
     }
+
+    private var isCurrentUserHost: Bool {
+        guard let creatorId = viewModel.liveRoomInfo?.creatorId else {
+            return false
+        }
+
+        return creatorId == UserDefaults.int(forKey: .userId)
+    }
+
+    private var shouldEnforceScreenCaptureProtection: Bool {
+        !isCurrentUserHost
+    }
     
     var body: some View {
-        ScreenCaptureSecureContainer {
+        ScreenCaptureSecureContainer(isSecureModeEnabled: shouldEnforceScreenCaptureProtection) {
             ZStack {
             Color.black.edgesIgnoringSafeArea(.all)
             
@@ -533,8 +545,7 @@ struct LiveRoomViewV2: View {
                 UIApplication.shared.isIdleTimerDisabled = true
                 UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
                 viewModel.initAgoraEngine()
-                // 진입 시 현재 캡쳐 상태를 즉시 동기화해 첫 프레임부터 보호 상태를 반영
-                applyScreenCaptureProtection(isCaptured: UIScreen.main.isCaptured)
+                syncScreenCaptureProtectionState()
                 
                 viewModel.getMemberCan()
                 viewModel.getRoomInfo()
@@ -928,7 +939,10 @@ struct LiveRoomViewV2: View {
         }
         // 시스템 캡쳐 상태 변경(녹화 시작/종료 등)에 맞춰 보호 로직 갱신
         .onReceive(NotificationCenter.default.publisher(for: UIScreen.capturedDidChangeNotification)) { _ in
-            applyScreenCaptureProtection(isCaptured: UIScreen.main.isCaptured)
+            syncScreenCaptureProtectionState()
+        }
+        .onChange(of: viewModel.liveRoomInfo?.creatorId) { _ in
+            syncScreenCaptureProtectionState()
         }
         .onChange(of: viewModel.isChatFrozenForCurrentUser) { isFrozen in
             if isFrozen {
@@ -1107,18 +1121,26 @@ struct LiveRoomViewV2: View {
 
 // 스크린샷/화면 녹화 노출 보호를 위해 SwiftUI 콘텐츠를 보안 컨테이너에 탑재
 private struct ScreenCaptureSecureContainer<Content: View>: UIViewControllerRepresentable {
+    let isSecureModeEnabled: Bool
     let content: Content
 
-    init(@ViewBuilder content: () -> Content) {
+    init(isSecureModeEnabled: Bool = true, @ViewBuilder content: () -> Content) {
+        self.isSecureModeEnabled = isSecureModeEnabled
         self.content = content()
     }
 
     func makeUIViewController(context: Context) -> ScreenCaptureSecureHostingController<Content> {
-        ScreenCaptureSecureHostingController(rootView: content)
+        ScreenCaptureSecureHostingController(
+            rootView: content,
+            isSecureModeEnabled: isSecureModeEnabled
+        )
     }
 
     func updateUIViewController(_ uiViewController: ScreenCaptureSecureHostingController<Content>, context: Context) {
-        uiViewController.update(rootView: content)
+        uiViewController.update(
+            rootView: content,
+            isSecureModeEnabled: isSecureModeEnabled
+        )
     }
 }
 
@@ -1126,9 +1148,11 @@ private struct ScreenCaptureSecureContainer<Content: View>: UIViewControllerRepr
 private final class ScreenCaptureSecureHostingController<Content: View>: UIViewController {
     private let secureContainerView = ScreenCaptureSecureView()
     private let hostingController: UIHostingController<Content>
+    private var isSecureModeEnabled: Bool
 
-    init(rootView: Content) {
+    init(rootView: Content, isSecureModeEnabled: Bool) {
         hostingController = UIHostingController(rootView: rootView)
+        self.isSecureModeEnabled = isSecureModeEnabled
         super.init(nibName: nil, bundle: nil)
     }
 
@@ -1145,12 +1169,15 @@ private final class ScreenCaptureSecureHostingController<Content: View>: UIViewC
 
         hostingController.view.backgroundColor = .clear
         addChild(hostingController)
+        secureContainerView.setSecureModeEnabled(isSecureModeEnabled)
         secureContainerView.embed(contentView: hostingController.view)
         hostingController.didMove(toParent: self)
     }
 
-    func update(rootView: Content) {
+    func update(rootView: Content, isSecureModeEnabled: Bool) {
+        self.isSecureModeEnabled = isSecureModeEnabled
         hostingController.rootView = rootView
+        secureContainerView.setSecureModeEnabled(isSecureModeEnabled)
         secureContainerView.embed(contentView: hostingController.view)
     }
 }
@@ -1161,6 +1188,7 @@ private final class ScreenCaptureSecureView: UIView {
     private weak var secureContentView: UIView?
     private let failClosedOverlayView = UIView()
     private var didLogFailClosedActivation = false
+    private var isSecureModeEnabled = true
 
     override init(frame: CGRect) {
         super.init(frame: frame)
@@ -1207,6 +1235,25 @@ private final class ScreenCaptureSecureView: UIView {
     }
 
     func embed(contentView: UIView) {
+        if !isSecureModeEnabled {
+            updateFailClosedState(isActive: false)
+
+            guard contentView.superview !== self else {
+                return
+            }
+
+            contentView.removeFromSuperview()
+            contentView.translatesAutoresizingMaskIntoConstraints = false
+            insertSubview(contentView, belowSubview: failClosedOverlayView)
+            NSLayoutConstraint.activate([
+                contentView.topAnchor.constraint(equalTo: topAnchor),
+                contentView.leadingAnchor.constraint(equalTo: leadingAnchor),
+                contentView.trailingAnchor.constraint(equalTo: trailingAnchor),
+                contentView.bottomAnchor.constraint(equalTo: bottomAnchor)
+            ])
+            return
+        }
+
         if secureContentView == nil {
             secureContentView = resolveSecureContentView()
         }
@@ -1235,6 +1282,21 @@ private final class ScreenCaptureSecureView: UIView {
         ])
     }
 
+    func setSecureModeEnabled(_ isEnabled: Bool) {
+        isSecureModeEnabled = isEnabled
+        secureTextField.isHidden = !isEnabled
+
+        if isEnabled {
+            if secureContentView == nil {
+                secureContentView = resolveSecureContentView()
+            }
+            updateFailClosedState(isActive: secureContentView == nil)
+            return
+        }
+
+        updateFailClosedState(isActive: false)
+    }
+
     private func resolveSecureContentView() -> UIView? {
         secureTextField.subviews.first {
             let className = NSStringFromClass(type(of: $0))
@@ -1266,6 +1328,16 @@ private final class ScreenCaptureSecureTextField: UITextField {
 }
 
 private extension LiveRoomViewV2 {
+    func syncScreenCaptureProtectionState() {
+        guard shouldEnforceScreenCaptureProtection else {
+            isScreenCaptureProtected = false
+            releaseForcedCaptureMute()
+            return
+        }
+
+        applyScreenCaptureProtection(isCaptured: UIScreen.main.isCaptured)
+    }
+
     func applyScreenCaptureProtection(isCaptured: Bool) {
         // 시스템 캡쳐 상태를 로컬 UI 상태와 동기화
         isScreenCaptureProtected = isCaptured