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Unverified Commit 2c2fed1d authored by LongCatIsLooong's avatar LongCatIsLooong Committed by GitHub
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Remove deprecated `CupertinoContextMenu.previewBuilder` (#143990) 

It was deprecated in https://github.com/flutter/flutter/pull/110616.

Deprecated in https://github.com/flutter/flutter/pull/110616
parent 2e4bbb75
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Showing with 22 additions and 111 deletions
packages/flutter/lib/src/cupertino/context_menu.dart
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......@@ -56,15 +56,6 @@ typedef _DismissCallback = void Function(
double opacity,
);
/// A function that produces the preview when the CupertinoContextMenu is open.
///
/// Called every time the animation value changes.
typedef ContextMenuPreviewBuilder = Widget Function(
BuildContext context,
Animation<double> animation,
Widget child,
);
/// A function that builds the child and handles the transition between the
/// default child and the preview when the CupertinoContextMenu is open.
typedef CupertinoContextMenuBuilder = Widget Function(
......@@ -95,11 +86,10 @@ enum _ContextMenuLocation {
/// A full-screen modal route that opens when the [child] is long-pressed.
///
/// When open, the [CupertinoContextMenu] shows the child, or the widget returned
/// by [previewBuilder] if given, in a large full-screen [Overlay] with a list
/// of buttons specified by [actions]. The child/preview is placed in an
/// [Expanded] widget so that it will grow to fill the Overlay if its size is
/// unconstrained.
/// When open, the [CupertinoContextMenu] shows the child in a large full-screen
/// [Overlay] with a list of buttons specified by [actions]. The child/preview is
/// placed in an [Expanded] widget so that it will grow to fill the Overlay if
/// its size is unconstrained.
///
/// When closed, the [CupertinoContextMenu] displays the child as if the
/// [CupertinoContextMenu] were not there. Sizing and positioning is unaffected.
......@@ -107,11 +97,6 @@ enum _ContextMenuLocation {
/// background or by calling `Navigator.pop(context)`. Unlike [PopupRoute], it can
/// also be closed by swiping downwards.
///
/// The [previewBuilder] parameter is most commonly used to display a slight
/// variation of [child]. See [previewBuilder] for an example of rounding the
/// child's corners and allowing its aspect ratio to expand, similar to the
/// Photos app on iOS.
///
/// {@tool dartpad}
/// This sample shows a very simple [CupertinoContextMenu] for the Flutter logo.
/// Long press on it to open.
......@@ -138,11 +123,6 @@ class CupertinoContextMenu extends StatefulWidget {
required this.actions,
required Widget this.child,
this.enableHapticFeedback = false,
@Deprecated(
'Use CupertinoContextMenu.builder instead. '
'This feature was deprecated after v3.4.0-34.1.pre.',
)
this.previewBuilder = _defaultPreviewBuilder,
}) : assert(actions.isNotEmpty),
builder = ((BuildContext context, Animation<double> animation) => child);
......@@ -158,8 +138,7 @@ class CupertinoContextMenu extends StatefulWidget {
required this.builder,
this.enableHapticFeedback = false,
}) : assert(actions.isNotEmpty),
child = null,
previewBuilder = null;
child = null;
/// Exposes the default border radius for matching iOS 16.0 behavior. This
/// value was eyeballed from the iOS simulator running iOS 16.0.
......@@ -353,28 +332,14 @@ class CupertinoContextMenu extends StatefulWidget {
/// {@end-tool}
final CupertinoContextMenuBuilder builder;
/// The default preview builder if none is provided. It makes a rectangle
/// around the child widget with rounded borders, matching the iOS 16 opened
/// context menu eyeballed on the XCode iOS simulator.
static Widget _defaultPreviewBuilder(BuildContext context, Animation<double> animation, Widget child) {
return FittedBox(
fit: BoxFit.cover,
child: ClipRRect(
borderRadius: BorderRadius.circular(_previewBorderRadiusRatio * animation.value),
child: child,
),
);
}
// TODO(mitchgoodwin): deprecate [child] with builder refactor https://github.com/flutter/flutter/issues/116306
/// The widget that can be "opened" with the [CupertinoContextMenu].
///
/// When the [CupertinoContextMenu] is long-pressed, the menu will open and
/// this widget (or the widget returned by [previewBuilder], if provided) will
/// be moved to the new route and placed inside of an [Expanded] widget. This
/// allows the child to resize to fit in its place in the new route, if it
/// doesn't size itself.
/// this widget will be moved to the new route and placed inside of an
/// [Expanded] widget. This allows the child to resize to fit in its place in
/// the new route, if it doesn't size itself.
///
/// When the [CupertinoContextMenu] is "closed", this widget acts like a
/// [Container], i.e. it does not constrain its child's size or affect its
......@@ -395,73 +360,6 @@ class CupertinoContextMenu extends StatefulWidget {
/// Defaults to false.
final bool enableHapticFeedback;
/// A function that returns an alternative widget to show when the
/// [CupertinoContextMenu] is open.
///
/// If not specified, [child] will be shown.
///
/// The preview is often used to show a slight variation of the [child]. For
/// example, the child could be given rounded corners in the preview but have
/// sharp corners when in the page.
///
/// In addition to the current [BuildContext], the function is also called
/// with an [Animation] and the [child]. The animation goes from 0 to 1 when
/// the CupertinoContextMenu opens, and from 1 to 0 when it closes, and it can
/// be used to animate the preview in sync with this opening and closing. The
/// child parameter provides access to the child displayed when the
/// CupertinoContextMenu is closed.
///
/// {@tool snippet}
///
/// Below is an example of using [previewBuilder] to show an image tile that's
/// similar to each tile in the iOS iPhoto app's context menu. Several of
/// these could be used in a GridView for a similar effect.
///
/// When opened, the child animates to show its full aspect ratio and has
/// rounded corners. The larger size of the open CupertinoContextMenu allows
/// the FittedBox to fit the entire image, even when it has a very tall or
/// wide aspect ratio compared to the square of a GridView, so this animates
/// into view as the CupertinoContextMenu is opened. The preview is swapped in
/// right when the open animation begins, which includes the rounded corners.
///
/// ```dart
/// CupertinoContextMenu(
/// // The FittedBox in the preview here allows the image to animate its
/// // aspect ratio when the CupertinoContextMenu is animating its preview
/// // widget open and closed.
/// previewBuilder: (BuildContext context, Animation<double> animation, Widget child) {
/// return FittedBox(
/// fit: BoxFit.cover,
/// // This ClipRRect rounds the corners of the image when the
/// // CupertinoContextMenu is open, even though it's not rounded when
/// // it's closed. It uses the given animation to animate the corners
/// // in sync with the opening animation.
/// child: ClipRRect(
/// borderRadius: BorderRadius.circular(64.0 * animation.value),
/// child: Image.asset('assets/photo.jpg'),
/// ),
/// );
/// },
/// actions: <Widget>[
/// CupertinoContextMenuAction(
/// child: const Text('Action one'),
/// onPressed: () {},
/// ),
/// ],
/// child: FittedBox(
/// fit: BoxFit.cover,
/// child: Image.asset('assets/photo.jpg'),
/// ),
/// )
/// ```
///
/// {@end-tool}
@Deprecated(
'Use CupertinoContextMenu.builder instead. '
'This feature was deprecated after v3.4.0-34.1.pre.',
)
final ContextMenuPreviewBuilder? previewBuilder;
@override
State<CupertinoContextMenu> createState() => _CupertinoContextMenuState();
}
......@@ -531,6 +429,19 @@ class _CupertinoContextMenuState extends State<CupertinoContextMenu> with Ticker
return _ContextMenuLocation.left;
}
/// The default preview builder if none is provided. It makes a rectangle
/// around the child widget with rounded borders, matching the iOS 16 opened
/// context menu eyeballed on the XCode iOS simulator.
static Widget _defaultPreviewBuilder(BuildContext context, Animation<double> animation, Widget child) {
return FittedBox(
fit: BoxFit.cover,
child: ClipRRect(
borderRadius: BorderRadius.circular(_previewBorderRadiusRatio * animation.value),
child: child,
),
);
}
// Push the new route and open the CupertinoContextMenu overlay.
void _openContextMenu() {
setState(() {
......@@ -551,7 +462,7 @@ class _CupertinoContextMenuState extends State<CupertinoContextMenu> with Ticker
final Animation<double> localAnimation = Tween<double>(begin: CupertinoContextMenu.animationOpensAt, end: 1).animate(animation);
return widget.builder(context, localAnimation);
}
return widget.previewBuilder!(context, animation, widget.child!);
return _defaultPreviewBuilder(context, animation, widget.child!);
},
);
Navigator.of(context, rootNavigator: true).push<void>(_route!);
......
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