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实现缩放功能：增加缩放功能检索和设置方法，更新UI以支持缩放调整，增强缩放比例的状态管理。

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This commit is contained in:
林锋
2026-06-12 16:38:31 +08:00
parent cf1c2d7d0e
commit a3a02e623f
11 changed files with 573 additions and 18 deletions
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12
lib/features/recording/model/model_recording_session.dart
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@@ -11,6 +11,9 @@ class RecordingSessionState {
this.isBatteryOptimizedIgnored = true,
this.notificationsGranted = true,
this.isMicrophoneGranted = false,
this.zoomRatio = 1.0,
this.minZoomRatio = 1.0,
this.maxZoomRatio = 3.0,
this.lastOutputPath,
this.lastSavedDisplayName,
this.errorMessage,
@@ -26,6 +29,9 @@ class RecordingSessionState {
final bool isBatteryOptimizedIgnored;
final bool notificationsGranted;
final bool isMicrophoneGranted;
final double zoomRatio;
final double minZoomRatio;
final double maxZoomRatio;
final String? lastOutputPath;
final String? lastSavedDisplayName;
final String? errorMessage;
@@ -51,6 +57,9 @@ class RecordingSessionState {
bool? isBatteryOptimizedIgnored,
bool? notificationsGranted,
bool? isMicrophoneGranted,
double? zoomRatio,
double? minZoomRatio,
double? maxZoomRatio,
String? lastOutputPath,
String? lastSavedDisplayName,
String? errorMessage,
@@ -69,6 +78,9 @@ class RecordingSessionState {
isBatteryOptimizedIgnored ?? this.isBatteryOptimizedIgnored,
notificationsGranted: notificationsGranted ?? this.notificationsGranted,
isMicrophoneGranted: isMicrophoneGranted ?? this.isMicrophoneGranted,
zoomRatio: zoomRatio ?? this.zoomRatio,
minZoomRatio: minZoomRatio ?? this.minZoomRatio,
maxZoomRatio: maxZoomRatio ?? this.maxZoomRatio,
lastOutputPath: lastOutputPath ?? this.lastOutputPath,
lastSavedDisplayName: clearLastSaved
? null

22
lib/features/recording/pages/page_record.dart
View File

@@ -357,10 +357,7 @@ class _PreviewLoadingLayer extends ConsumerWidget {
}
class _RecordingHudLayer extends ConsumerWidget {
const _RecordingHudLayer({
required this.onStart,
required this.onStop,
});
const _RecordingHudLayer({required this.onStart, required this.onStop});
final Future<void> Function() onStart;
final Future<void> Function() onStop;
@@ -378,6 +375,9 @@ class _RecordingHudLayer extends ConsumerWidget {
m.session.isRecording,
m.session.isStartingRecording,
m.session.isTouchLocked,
m.session.zoomRatio,
m.session.minZoomRatio,
m.session.maxZoomRatio,
m.hasValidClipboardInfo,
m.clipboardRecordingModel.address.trim(),
),
@@ -392,6 +392,9 @@ class _RecordingHudLayer extends ConsumerWidget {
isRecording,
isStartingRecording,
isTouchLocked,
zoomRatio,
minZoomRatio,
maxZoomRatio,
showClipboardHint,
clipboardAddress,
) = hudState;
@@ -406,6 +409,9 @@ class _RecordingHudLayer extends ConsumerWidget {
isRecording: isRecording,
isStartingRecording: isStartingRecording,
isTouchLocked: isTouchLocked,
zoomRatio: zoomRatio,
minZoomRatio: minZoomRatio,
maxZoomRatio: maxZoomRatio,
showClipboardHint: showClipboardHint,
clipboardAddress: clipboardAddress,
onStart: onStart,
@@ -419,9 +425,15 @@ class _RecordingHudLayer extends ConsumerWidget {
await viewModel.refreshBatteryOptimization();
},
onToggleTouchLock: () {
final locked = ref.read(recordingViewModelProvider).session.isTouchLocked;
final locked = ref
.read(recordingViewModelProvider)
.session
.isTouchLocked;
viewModel.setTouchLocked(!locked);
},
onZoomSelected: (ratio) async {
await viewModel.setZoomRatio(ratio);
},
);
}
}

38
lib/features/recording/platform/recording_platform.dart
View File

@@ -81,6 +81,21 @@ class RecordingPlatform {
return RecordingStatus.fromMap(result ?? const {});
}
static Future<RecordingZoomCapabilities> getZoomCapabilities() async {
final result = await _channel.invokeMapMethod<String, dynamic>(
'getZoomCapabilities',
);
return RecordingZoomCapabilities.fromMap(result);
}
static Future<RecordingZoomCapabilities> setZoomRatio(double ratio) async {
final result = await _channel.invokeMapMethod<String, dynamic>(
'setZoomRatio',
<String, dynamic>{'zoomRatio': ratio},
);
return RecordingZoomCapabilities.fromMap(result);
}
static Future<RecordingStartResult> startRecording({
bool withAudio = true,
bool enableDoNotDisturb = true,
@@ -156,6 +171,29 @@ class RecordingPlatform {
}
}
class RecordingZoomCapabilities {
const RecordingZoomCapabilities({
required this.zoomRatio,
required this.minZoomRatio,
required this.maxZoomRatio,
});
final double zoomRatio;
final double minZoomRatio;
final double maxZoomRatio;
factory RecordingZoomCapabilities.fromMap(Map<String, dynamic>? map) {
final minZoomRatio = (map?['minZoomRatio'] as num?)?.toDouble() ?? 1.0;
final maxZoomRatio = (map?['maxZoomRatio'] as num?)?.toDouble() ?? 3.0;
final zoomRatio = (map?['zoomRatio'] as num?)?.toDouble() ?? minZoomRatio;
return RecordingZoomCapabilities(
zoomRatio: zoomRatio.clamp(minZoomRatio, maxZoomRatio).toDouble(),
minZoomRatio: minZoomRatio,
maxZoomRatio: maxZoomRatio,
);
}
}
class RecordingStartResult {
const RecordingStartResult({this.outputPath, required this.status});

43
lib/features/recording/view-model/view_model_recording.dart
View File

@@ -193,6 +193,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
await _listenStatus();
try {
final status = await _initializePreviewWithRetry();
await _refreshZoomCapabilities();
_updateSession(
(s) => s.copyWith(
status: status,
@@ -239,6 +240,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
);
try {
final status = await _initializePreviewWithRetry();
await _refreshZoomCapabilities();
_updateSession(
(s) => s.copyWith(
status: status,
@@ -309,6 +311,47 @@ class RecordingViewModel extends Notifier<RecordingModel> {
return status?.isGranted == true || status?.isLimited == true;
}
/// 读取相机支持的倍距范围并同步当前倍距。
Future<void> _refreshZoomCapabilities() async {
try {
final zoom = await RecordingPlatform.getZoomCapabilities();
_updateSession(
(s) => s.copyWith(
zoomRatio: zoom.zoomRatio,
minZoomRatio: zoom.minZoomRatio,
maxZoomRatio: zoom.maxZoomRatio,
errorMessage: null,
),
);
} on PlatformException catch (error) {
AppLogger.debug('读取相机倍距能力失败', error: error);
}
}
/// 设置相机倍距，原生层会返回设备实际应用后的倍距范围与当前值。
Future<void> setZoomRatio(double ratio) async {
final session = state.session;
final clamped = ratio
.clamp(session.minZoomRatio, session.maxZoomRatio)
.toDouble();
try {
final zoom = await RecordingPlatform.setZoomRatio(clamped);
_updateSession(
(s) => s.copyWith(
zoomRatio: zoom.zoomRatio,
minZoomRatio: zoom.minZoomRatio,
maxZoomRatio: zoom.maxZoomRatio,
errorMessage: null,
),
);
} on PlatformException catch (error) {
_updateSession(
(s) => s.copyWith(errorMessage: error.message ?? '相机倍距设置失败'),
);
}
}
/// 开始录制，可选开启勿扰模式。
Future<void> startRecording({bool enableDoNotDisturb = true}) async {
final session = state.session;

2
lib/features/recording/widgets/widget_record_header.dart
View File

@@ -170,7 +170,7 @@ class _HeaderPasteActions extends StatelessWidget {
return Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
// _HeaderActionButton(label: 'mock', onPressed: onMockCopy),
_HeaderActionButton(label: 'mock', onPressed: onMockCopy),
_HeaderActionButton(
label: '粘贴选手信息',
onPressed: () => onPasteEventInfo(),

111
lib/features/recording/widgets/widget_recording_hud.dart
View File

@@ -21,11 +21,15 @@ class RecordingHudWidget extends StatelessWidget {
required this.isTouchLocked,
this.showClipboardHint = false,
this.clipboardAddress = '',
required this.zoomRatio,
required this.minZoomRatio,
required this.maxZoomRatio,
required this.onStart,
required this.onStop,
required this.onOpenDnd,
required this.onOpenBattery,
required this.onToggleTouchLock,
required this.onZoomSelected,
});
final String? errorMessage;
@@ -38,16 +42,21 @@ class RecordingHudWidget extends StatelessWidget {
final bool isTouchLocked;
final bool showClipboardHint;
final String clipboardAddress;
final double zoomRatio;
final double minZoomRatio;
final double maxZoomRatio;
final Future<void> Function() onStart;
final Future<void> Function() onStop;
final VoidCallback onOpenDnd;
final VoidCallback onOpenBattery;
final VoidCallback onToggleTouchLock;
final ValueChanged<double> onZoomSelected;
static double get _recordButtonSize => 70.r;
static double get _recordButtonBottom => 63.r;
static double get _overlayInfoLeft => 13.r;
static double get _overlayInfoBottom => 10.r;
static const List<double> _zoomPresets = [1.0, 2.0, 3.0];
@override
Widget build(BuildContext context) {
@@ -133,6 +142,17 @@ class RecordingHudWidget extends StatelessWidget {
),
),
),
Positioned(
right: 16.r,
bottom: _recordButtonBottom + _recordButtonSize + 14.h,
child: _ZoomPresetControl(
zoomRatio: zoomRatio,
minZoomRatio: minZoomRatio,
maxZoomRatio: maxZoomRatio,
presets: _zoomPresets,
onSelected: onZoomSelected,
),
),
Positioned(
left: 0,
right: 0,
@@ -171,3 +191,94 @@ class RecordingHudWidget extends StatelessWidget {
);
}
}
class _ZoomPresetControl extends StatelessWidget {
const _ZoomPresetControl({
required this.zoomRatio,
required this.minZoomRatio,
required this.maxZoomRatio,
required this.presets,
required this.onSelected,
});
final double zoomRatio;
final double minZoomRatio;
final double maxZoomRatio;
final List<double> presets;
final ValueChanged<double> onSelected;
@override
Widget build(BuildContext context) {
final availablePresets = presets
.where((preset) => preset >= minZoomRatio && preset <= maxZoomRatio)
.toList(growable: false);
if (availablePresets.isEmpty) {
return const SizedBox.shrink();
}
return DecoratedBox(
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.46),
borderRadius: BorderRadius.circular(18.r),
border: Border.all(color: Colors.white.withValues(alpha: 0.18)),
),
child: Padding(
padding: EdgeInsets.all(3.r),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
for (final preset in availablePresets)
_ZoomPresetButton(
ratio: preset,
selected: (zoomRatio - preset).abs() < 0.05,
onSelected: onSelected,
),
],
),
),
);
}
}
class _ZoomPresetButton extends StatelessWidget {
const _ZoomPresetButton({
required this.ratio,
required this.selected,
required this.onSelected,
});
final double ratio;
final bool selected;
final ValueChanged<double> onSelected;
@override
Widget build(BuildContext context) {
return Padding(
padding: EdgeInsets.symmetric(horizontal: 1.r),
child: TextButton(
onPressed: selected ? null : () => onSelected(ratio),
style: TextButton.styleFrom(
minimumSize: Size(38.r, 32.r),
padding: EdgeInsets.zero,
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
foregroundColor: selected ? Colors.black : Colors.white,
disabledForegroundColor: Colors.black,
backgroundColor: selected ? Colors.white : Colors.transparent,
disabledBackgroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15.r),
),
),
child: Text(
'${ratio.toStringAsFixed(0)}x',
style: TextStyle(
fontSize: 13.sp,
fontWeight: FontWeight.w700,
letterSpacing: 0,
),
),
),
);
}
}