68 lines
1.5 KiB
Dart
68 lines
1.5 KiB
Dart
import 'package:flutter/widgets.dart';
|
|
import 'package:no_screenshot/no_screenshot.dart';
|
|
import 'package:no_screenshot/overlay_mode.dart';
|
|
|
|
/// A widget that automatically enables screenshot protection when mounted
|
|
/// and disables it when unmounted.
|
|
///
|
|
/// Wrap any subtree with [SecureWidget] to declaratively protect it:
|
|
///
|
|
/// ```dart
|
|
/// SecureWidget(
|
|
/// mode: OverlayMode.blur,
|
|
/// blurRadius: 50.0,
|
|
/// child: MySecurePage(),
|
|
/// )
|
|
/// ```
|
|
class SecureWidget extends StatefulWidget {
|
|
const SecureWidget({
|
|
super.key,
|
|
required this.child,
|
|
this.mode = OverlayMode.secure,
|
|
this.blurRadius = 30.0,
|
|
this.color = 0xFF000000,
|
|
});
|
|
|
|
final Widget child;
|
|
final OverlayMode mode;
|
|
final double blurRadius;
|
|
final int color;
|
|
|
|
@override
|
|
State<SecureWidget> createState() => _SecureWidgetState();
|
|
}
|
|
|
|
class _SecureWidgetState extends State<SecureWidget> {
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_applyMode();
|
|
}
|
|
|
|
@override
|
|
void didUpdateWidget(SecureWidget oldWidget) {
|
|
super.didUpdateWidget(oldWidget);
|
|
if (oldWidget.mode != widget.mode ||
|
|
oldWidget.blurRadius != widget.blurRadius ||
|
|
oldWidget.color != widget.color) {
|
|
_applyMode();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
NoScreenshot.instance.screenshotOn();
|
|
super.dispose();
|
|
}
|
|
|
|
void _applyMode() {
|
|
applyOverlayMode(
|
|
widget.mode,
|
|
blurRadius: widget.blurRadius,
|
|
color: widget.color,
|
|
);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) => widget.child;
|
|
}
|