refact: restart remote device, autoconnect (#15290)

* refact: restart remote device, autoconnect

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix: guard restart reconnect timer after session close

Signed-off-by: fufesou <linlong1266@gmail.com>

* Simple refactor

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix(restart): auto connect, comments

Signed-off-by: fufesou <linlong1266@gmail.com>

---------

Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou 2026-06-17 17:50:18 +08:00 committed by GitHub
commit 88ae00ba73
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4 changed files with 92 additions and 11 deletions

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@ -55,6 +55,8 @@ import 'package:flutter_hbb/native/custom_cursor.dart'
typedef HandleMsgBox = Function(Map<String, dynamic> evt, String id);
typedef ReconnectHandle = Function(OverlayDialogManager, SessionID, bool);
final _constSessionId = Uuid().v4obj();
// Empirical restart reconnect cadence: keep the last frame briefly and retry quickly.
const _restartReconnectSilentDelaySecs = 5;
class CachedPeerData {
Map<String, dynamic> updatePrivacyMode = {};
@ -119,6 +121,7 @@ class FfiModel with ChangeNotifier {
bool _touchMode = false;
late VirtualMouseMode virtualMouseMode;
Timer? _timer;
Timer? _restartReconnectDelayTimer;
var _reconnects = 1;
DateTime? _offlineReconnectStartTime;
bool _viewOnly = false;
@ -250,6 +253,7 @@ class FfiModel with ChangeNotifier {
_inputBlocked = false;
_timer?.cancel();
_timer = null;
resetRestartReconnectState();
clearPermissions();
waitForImageTimer?.cancel();
timerScreenshot?.cancel();
@ -341,6 +345,7 @@ class FfiModel with ChangeNotifier {
} else if (name == 'connection_ready') {
setConnectionType(peerId, evt['secure'] == 'true',
evt['direct'] == 'true', evt['stream_type'] ?? '');
resetRestartReconnectState();
} else if (name == 'switch_display') {
// switch display is kept for backward compatibility
handleSwitchDisplay(evt, sessionId, peerId);
@ -922,8 +927,28 @@ class FfiModel with ChangeNotifier {
enterUserLoginAndPasswordDialog(
sessionId, dialogManager, 'terminal-admin-login-tip', false);
} else if (type == 'restarting') {
showMsgBox(sessionId, type, title, text, link, false, dialogManager,
hasCancel: false);
// Treat restart messages as reconnect control events. Rust still sends
// title/text for legacy UI and translation reuse; Flutter keeps the last
// frame briefly, then shows the Connecting overlay.
if (_restartReconnectDelayTimer == null) {
parent.target?.inputModel.setRelativeMouseMode(false);
bind.sessionReconnect(sessionId: sessionId, forceRelay: false);
clearPermissions();
// Retry once more after the silent window so restart reconnect attempts
// are spaced by the empirical short cadence instead of only updating UI.
_restartReconnectDelayTimer =
Timer(Duration(seconds: _restartReconnectSilentDelaySecs), () {
_restartReconnectDelayTimer = null;
if (parent.target?.closed == true) {
return;
}
reconnect(dialogManager, sessionId, false);
});
}
} else if (type == 'restarting-show') {
_restartReconnectDelayTimer?.cancel();
_restartReconnectDelayTimer = null;
reconnect(dialogManager, sessionId, false);
} else if (type == 'wait-remote-accept-nook') {
showWaitAcceptDialog(sessionId, type, title, text, dialogManager);
} else if (type == 'on-uac' || type == 'on-foreground-elevated') {
@ -949,6 +974,11 @@ class FfiModel with ChangeNotifier {
}
}
void resetRestartReconnectState() {
_restartReconnectDelayTimer?.cancel();
_restartReconnectDelayTimer = null;
}
/// Auto-retry check for "Remote desktop is offline" error.
/// returns true to auto-retry, false otherwise.
bool shouldAutoRetryOnOffline(
@ -1374,6 +1404,7 @@ class FfiModel with ChangeNotifier {
if (displays.isNotEmpty) {
_reconnects = 1;
_offlineReconnectStartTime = null;
resetRestartReconnectState();
waitForFirstImage.value = true;
isRefreshing = false;
}
@ -3666,6 +3697,7 @@ class FFI {
/// Mobile reuse FFI
void mobileReset() {
ffiModel.resetRestartReconnectState();
ffiModel.waitForFirstImage.value = true;
ffiModel.isRefreshing = false;
ffiModel.waitForImageDialogShow.value = true;
@ -3879,6 +3911,7 @@ class FFI {
}
if (ffiModel.waitForFirstImage.value == true) {
ffiModel.waitForFirstImage.value = false;
ffiModel.resetRestartReconnectState();
dialogManager.dismissAll();
await canvasModel.updateViewStyle();
await canvasModel.updateScrollStyle();