feat(update): add forced upgrade progress flow

app/gui/__init__.py

@@ -4,7 +4,6 @@ from __future__ import annotations
 
 import os
 import sys
-import webbrowser
 
 from .. import appconfig, chrome, diagnostics, update_check
 from ..version import APP_NAME, display_name
@@ -38,6 +37,7 @@ if QT_IMPORT_ERROR is None:
     from .tabs.image_studio import ImageStudioPreviewDialog, ImageStudioTab
     from .tabs.settings import SettingsTab
     from .main_window import MainWindow
+    from .update_dialog import ForcedUpdateDialog, UpdatePreparationWorker
 else:
     class MainWindow(QMainWindow):
         def __init__(self):
@@ -74,42 +74,14 @@ def _write_update_check_diagnostic(message, *, result=None, exc=None):
         pass
 
 
-def _forced_update_details(result):
-    online_version = result.latest_version or result.min_supported_version or "未知"
-    lines = [
-        f"当前版本：{result.current_version}",
-        f"线上版本：{online_version}",
-    ]
-    if result.min_supported_version:
-        lines.append(f"最低支持版本：{result.min_supported_version}")
-    if result.message:
-        lines.append(f"升级说明：{result.message}")
-    if result.download_url:
-        lines.append("请下载新版，关闭程序后覆盖程序文件和 _internal/，保留 data/ 目录。")
-    else:
-        lines.append("版本接口未提供下载地址，请联系管理员获取新版后再使用。")
-    return "\n".join(lines)
-
-
-def _show_forced_update_dialog(result, *, parent=None, opener=None) -> bool:
-    opener = opener or webbrowser.open
-    box = QMessageBox(parent)
-    box.setIcon(QMessageBox.Warning)
-    box.setWindowTitle("必须升级")
-    box.setText("当前版本已不能继续使用，请先升级到新版。")
-    box.setInformativeText(_forced_update_details(result))
-    download_button = box.addButton("下载新版", QMessageBox.AcceptRole)
-    exit_button = box.addButton("退出程序", QMessageBox.RejectRole)
-    if not result.download_url and hasattr(download_button, "setEnabled"):
-        download_button.setEnabled(False)
-    box.setDefaultButton(download_button if result.download_url else exit_button)
-    box.exec()
-    if box.clickedButton() is download_button and result.download_url:
-        opener(result.download_url)
+def _show_forced_update_dialog(result, *, parent=None, dialog_factory=None) -> bool:
+    dialog_class = dialog_factory or ForcedUpdateDialog
+    dialog = dialog_class(result, parent=parent)
+    dialog.exec()
     return False
 
 
-def _run_startup_update_gate(*, checker=None, opener=None) -> bool:
+def _run_startup_update_gate(*, checker=None, dialog_factory=None) -> bool:
     try:
         result = (checker or update_check.check_for_update)()
     except Exception as exc:
@@ -119,7 +91,7 @@ def _run_startup_update_gate(*, checker=None, opener=None) -> bool:
     if result.error:
         _write_update_check_diagnostic("启动版本检查失败，已允许继续使用", result=result)
     if result.forced:
-        return _show_forced_update_dialog(result, opener=opener)
+        return _show_forced_update_dialog(result, dialog_factory=dialog_factory)
     return True