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1049 行
41 KiB
1049 行
41 KiB
using System;
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using Unity.UIWidgets.animation;
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using Unity.UIWidgets.foundation;
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using Unity.UIWidgets.painting;
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using Unity.UIWidgets.rendering;
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using Unity.UIWidgets.ui;
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using UnityEngine;
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using Color = Unity.UIWidgets.ui.Color;
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using Rect = Unity.UIWidgets.ui.Rect;
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using TextStyle = Unity.UIWidgets.painting.TextStyle;
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namespace Unity.UIWidgets.widgets {
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public class BoxConstraintsTween : Tween<BoxConstraints> {
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public BoxConstraintsTween(
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BoxConstraints begin = null,
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BoxConstraints end = null
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) : base(begin: begin, end: end) {
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}
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public override BoxConstraints lerp(float t) {
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return BoxConstraints.lerp(begin, end, t);
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}
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}
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public class DecorationTween : Tween<Decoration> {
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public DecorationTween(
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Decoration begin = null,
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Decoration end = null) : base(begin: begin, end: end) {
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}
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public override Decoration lerp(float t) {
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return Decoration.lerp(begin, end, t);
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}
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}
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public class EdgeInsetsTween : Tween<EdgeInsets> {
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public EdgeInsetsTween(
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EdgeInsets begin = null,
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EdgeInsets end = null) : base(begin: begin, end: end) {
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}
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public override EdgeInsets lerp(float t) {
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return EdgeInsets.lerp(begin, end, t);
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}
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}
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public class EdgeInsetsGeometryTween : Tween<EdgeInsetsGeometry> {
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public EdgeInsetsGeometryTween(
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EdgeInsetsGeometry begin = null,
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EdgeInsetsGeometry end = null) : base(begin: begin, end: end) {
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}
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public override EdgeInsetsGeometry lerp(float t) {
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return EdgeInsetsGeometry.lerp(begin, end, t);
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}
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}
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public class BorderRadiusTween : Tween<BorderRadius> {
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public BorderRadiusTween(
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BorderRadius begin = null,
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BorderRadius end = null) : base(begin: begin, end: end) {
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}
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public override BorderRadius lerp(float t) {
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return BorderRadius.lerp(begin, end, t);
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}
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}
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public class BorderTween : Tween<Border> {
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public BorderTween(
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Border begin = null,
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Border end = null) : base(begin: begin, end: end) {
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}
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public override Border lerp(float t) {
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return Border.lerp(begin, end, t);
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}
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}
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public class Matrix4Tween : Tween<Matrix4> {
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public Matrix4Tween(
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Matrix4 begin = null,
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Matrix4 end = null) : base(begin: begin, end: end) {
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}
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public override Matrix4 lerp(float t) {
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D.assert(begin != null);
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D.assert(end != null);
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Vector3 beginTranslation = Vector3.zero;
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Vector3 endTranslation = Vector3.zero;
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Quaternion beginRotation = Quaternion.identity;
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Quaternion endRotation = Quaternion.identity;
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Vector3 beginScale = Vector3.zero;
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Vector3 endScale = Vector3.zero;
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begin.decompose(ref beginTranslation, ref beginRotation, ref beginScale);
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end.decompose(ref endTranslation, ref endRotation, ref endScale);
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Vector3 lerpTranslation =
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beginTranslation * (1.0f - t) + endTranslation * t;
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// TODO(alangardner): Implement slerp for constant rotation
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Quaternion lerpRotation =
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beginRotation
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.scaled(1.0f - t)
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.add(endRotation.scaled(t)).normalized;
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Vector3 lerpScale = beginScale * (1.0f - t) + endScale * t;
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return Matrix4.compose(lerpTranslation, lerpRotation, lerpScale);
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}
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}
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public class TextStyleTween : Tween<TextStyle> {
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public TextStyleTween(
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TextStyle begin = null,
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TextStyle end = null) : base(begin: begin, end: end) {
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}
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public override TextStyle lerp(float t) {
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return TextStyle.lerp(begin, end, t);
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}
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}
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public abstract class ImplicitlyAnimatedWidget : StatefulWidget {
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public ImplicitlyAnimatedWidget(
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Key key = null,
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Curve curve = null,
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TimeSpan? duration = null,
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VoidCallback onEnd = null
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) : base(key: key) {
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D.assert(duration != null);
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this.curve = curve ?? Curves.linear;
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this.duration = duration ?? TimeSpan.Zero;
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this.onEnd = onEnd;
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}
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public readonly Curve curve;
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public readonly TimeSpan duration;
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public readonly VoidCallback onEnd;
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public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
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base.debugFillProperties(properties);
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properties.add(new IntProperty("duration", (int) duration.TotalMilliseconds, unit: "ms"));
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}
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}
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public delegate Tween<T> TweenConstructor<T>(T targetValue);
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public interface TweenVisitor {
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Tween<T> visit<T, T2>(ImplicitlyAnimatedWidgetState<T2> state, Tween<T> tween, T targetValue,
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TweenConstructor<T> constructor) where T2 : ImplicitlyAnimatedWidget;
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}
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public class TweenVisitorUpdateTween : TweenVisitor {
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public Tween<T> visit<T, T2>(ImplicitlyAnimatedWidgetState<T2> state, Tween<T> tween, T targetValue,
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TweenConstructor<T> constructor)
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where T2 : ImplicitlyAnimatedWidget {
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state._updateTween(tween, targetValue);
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return tween;
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}
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}
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public class TweenVisitorCheckStartAnimation : TweenVisitor {
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public bool shouldStartAnimation;
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public TweenVisitorCheckStartAnimation() {
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shouldStartAnimation = false;
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}
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public Tween<T> visit<T, T2>(ImplicitlyAnimatedWidgetState<T2> state, Tween<T> tween, T targetValue,
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TweenConstructor<T> constructor)
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where T2 : ImplicitlyAnimatedWidget {
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if (targetValue != null) {
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tween = tween ?? constructor(targetValue);
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if (state._shouldAnimateTween(tween, targetValue)) {
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shouldStartAnimation = true;
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}
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}
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else {
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tween = null;
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}
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return tween;
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}
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}
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public abstract class ImplicitlyAnimatedWidgetState<T> : SingleTickerProviderStateMixin<T>
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where T : ImplicitlyAnimatedWidget {
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protected AnimationController controller {
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get { return _controller; }
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}
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AnimationController _controller;
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public Animation<float> animation {
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get { return _animation; }
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}
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Animation<float> _animation;
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public override void initState() {
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base.initState();
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_controller = new AnimationController(
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duration: widget.duration,
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debugLabel: foundation_.kDebugMode ? widget.toStringShort() : null,
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vsync: this
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);
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_controller.addStatusListener((AnimationStatus status) => {
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switch (status) {
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case AnimationStatus.completed:
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if (widget.onEnd != null)
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widget.onEnd();
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break;
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case AnimationStatus.dismissed:
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case AnimationStatus.forward:
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case AnimationStatus.reverse:
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break;
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}
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});
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_updateCurve();
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_constructTweens();
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didUpdateTweens();
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}
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public override void didUpdateWidget(StatefulWidget oldWidget) {
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base.didUpdateWidget(oldWidget);
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if (widget.curve != ((ImplicitlyAnimatedWidget) oldWidget).curve) {
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_updateCurve();
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}
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_controller.duration = widget.duration;
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if (_constructTweens()) {
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var visitor = new TweenVisitorUpdateTween();
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forEachTween(visitor);
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_controller.setValue(0.0f);
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_controller.forward();
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didUpdateTweens();
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}
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}
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void _updateCurve() {
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if (widget.curve != null) {
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_animation = new CurvedAnimation(parent: _controller, curve: widget.curve);
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}
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else {
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_animation = _controller;
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}
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}
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public override void dispose() {
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_controller.dispose();
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base.dispose();
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}
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public bool _shouldAnimateTween<T2>(Tween<T2> tween, T2 targetValue) {
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return !targetValue.Equals(tween.end == null ? tween.begin : tween.end);
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}
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public void _updateTween<T2>(Tween<T2> tween, T2 targetValue) {
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if (tween == null) {
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return;
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}
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tween.begin = tween.evaluate(_animation);
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tween.end = targetValue;
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}
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bool _constructTweens() {
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var visitor = new TweenVisitorCheckStartAnimation();
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forEachTween(visitor);
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return visitor.shouldStartAnimation;
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}
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protected abstract void forEachTween(TweenVisitor visitor);
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protected virtual void didUpdateTweens() {
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}
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}
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public abstract class AnimatedWidgetBaseState<T> : ImplicitlyAnimatedWidgetState<T>
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where T : ImplicitlyAnimatedWidget {
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public override void initState() {
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base.initState();
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controller.addListener(_handleAnimationChanged);
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}
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void _handleAnimationChanged() {
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setState(() => { });
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}
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}
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public class AnimatedContainer : ImplicitlyAnimatedWidget {
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public AnimatedContainer(
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Key key = null,
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AlignmentGeometry alignment = null,
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EdgeInsetsGeometry padding = null,
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Color color = null,
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Decoration decoration = null,
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Decoration foregroundDecoration = null,
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float? width = null,
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float? height = null,
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BoxConstraints constraints = null,
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EdgeInsetsGeometry margin = null,
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Matrix4 transform = null,
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Widget child = null,
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Curve curve = null,
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TimeSpan? duration = null,
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VoidCallback onEnd = null
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) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
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D.assert(duration != null);
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D.assert(margin == null || margin.isNonNegative);
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D.assert(padding == null || padding.isNonNegative);
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D.assert(decoration == null || decoration.debugAssertIsValid());
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D.assert(constraints == null || constraints.debugAssertIsValid());
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D.assert(color == null || decoration == null,
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() => "Cannot provide both a color and a decoration\n" +
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"The color argument is just a shorthand for \"decoration: new BoxDecoration(backgroundColor: color)\".");
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this.alignment = alignment;
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this.padding = padding;
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this.foregroundDecoration = foregroundDecoration;
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this.margin = margin;
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this.transform = transform;
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this.child = child;
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this.decoration = decoration ?? (color != null ? new BoxDecoration(color: color) : null);
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this.constraints =
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(width != null || height != null)
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? constraints?.tighten(width: width, height: height)
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?? BoxConstraints.tightFor(width: width, height: height)
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: constraints;
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}
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public readonly Widget child;
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public readonly AlignmentGeometry alignment;
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public readonly EdgeInsetsGeometry padding;
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public readonly Decoration decoration;
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public readonly Decoration foregroundDecoration;
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public readonly BoxConstraints constraints;
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public readonly EdgeInsetsGeometry margin;
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public readonly Matrix4 transform;
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public override State createState() {
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return new _AnimatedContainerState();
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
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base.debugFillProperties(properties);
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properties.add(new DiagnosticsProperty<AlignmentGeometry>("alignment", alignment, showName: false,
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defaultValue: null));
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properties.add(new DiagnosticsProperty<EdgeInsetsGeometry>("padding", padding, defaultValue: null));
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properties.add(new DiagnosticsProperty<Decoration>("bg", decoration, defaultValue: null));
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properties.add(
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new DiagnosticsProperty<Decoration>("fg", foregroundDecoration, defaultValue: null));
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properties.add(new DiagnosticsProperty<BoxConstraints>("constraints", constraints,
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defaultValue: null,
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showName: false));
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properties.add(new DiagnosticsProperty<EdgeInsetsGeometry>("margin", margin, defaultValue: null));
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properties.add(ObjectFlagProperty<Matrix4>.has("transform", transform));
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}
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}
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class _AnimatedContainerState : AnimatedWidgetBaseState<AnimatedContainer> {
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AlignmentGeometryTween _alignment;
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EdgeInsetsGeometryTween _padding;
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DecorationTween _decoration;
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DecorationTween _foregroundDecoration;
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BoxConstraintsTween _constraints;
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EdgeInsetsGeometryTween _margin;
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Matrix4Tween _transform;
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protected override void forEachTween(TweenVisitor visitor) {
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_alignment = (AlignmentGeometryTween) visitor.visit(this, _alignment, widget.alignment,
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(AlignmentGeometry value) => new AlignmentGeometryTween(begin: value));
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_padding = (EdgeInsetsGeometryTween) visitor.visit(this, _padding, widget.padding,
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( value) => new EdgeInsetsGeometryTween(begin: value));
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_decoration = (DecorationTween) visitor.visit(this, _decoration, widget.decoration,
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(Decoration value) => new DecorationTween(begin: value));
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_foregroundDecoration = (DecorationTween) visitor.visit(this, _foregroundDecoration,
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widget.foregroundDecoration, (Decoration value) => new DecorationTween(begin: value));
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_constraints = (BoxConstraintsTween) visitor.visit(this, _constraints, widget.constraints,
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(BoxConstraints value) => new BoxConstraintsTween(begin: value));
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_margin = (EdgeInsetsGeometryTween) visitor.visit(this, _margin, widget.margin,
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(value) => new EdgeInsetsGeometryTween(begin: value));
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_transform = (Matrix4Tween) visitor.visit(this, _transform, widget.transform,
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(Matrix4 value) => new Matrix4Tween(begin: value));
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}
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public override Widget build(BuildContext context) {
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return new Container(
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child: widget.child,
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alignment: _alignment?.evaluate(animation),
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padding: _padding?.evaluate(animation),
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decoration: _decoration?.evaluate(animation),
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foregroundDecoration: _foregroundDecoration?.evaluate(animation),
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constraints: _constraints?.evaluate(animation),
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margin: _margin?.evaluate(animation),
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transform: _transform?.evaluate(animation)
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);
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
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base.debugFillProperties(description);
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description.add(new DiagnosticsProperty<AlignmentGeometryTween>("alignment", _alignment, showName: false,
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defaultValue: null));
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description.add(new DiagnosticsProperty<EdgeInsetsGeometryTween>("padding", _padding, defaultValue: null));
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description.add(new DiagnosticsProperty<DecorationTween>("bg", _decoration, defaultValue: null));
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description.add(
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new DiagnosticsProperty<DecorationTween>("fg", _foregroundDecoration, defaultValue: null));
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description.add(new DiagnosticsProperty<BoxConstraintsTween>("constraints", _constraints,
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showName: false, defaultValue: null));
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description.add(new DiagnosticsProperty<EdgeInsetsGeometryTween>("margin", _margin, defaultValue: null));
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description.add(ObjectFlagProperty<Matrix4Tween>.has("transform", _transform));
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}
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}
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public class AnimatedPadding : ImplicitlyAnimatedWidget {
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public AnimatedPadding(
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Key key = null,
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EdgeInsetsGeometry padding = null,
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Widget child = null,
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Curve curve = null,
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TimeSpan? duration = null,
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VoidCallback onEnd = null
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) : base(key: key, curve: curve, duration: duration, onEnd: onEnd) {
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D.assert(padding != null);
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D.assert(padding.isNonNegative);
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this.padding = padding;
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this.child = child;
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}
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public readonly EdgeInsetsGeometry padding;
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public readonly Widget child;
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public override State createState() {
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return new _AnimatedPaddingState();
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
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base.debugFillProperties(properties);
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properties.add(new DiagnosticsProperty<EdgeInsetsGeometry>("padding", padding));
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}
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}
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class _AnimatedPaddingState : AnimatedWidgetBaseState<AnimatedPadding> {
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EdgeInsetsGeometryTween _padding;
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protected override void forEachTween(TweenVisitor visitor) {
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_padding = (EdgeInsetsGeometryTween) visitor.visit(this, _padding, widget.padding,
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(EdgeInsetsGeometry value) => new EdgeInsetsGeometryTween(begin: value));
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}
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public override Widget build(BuildContext context) {
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return new Padding(
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padding: _padding
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.evaluate(animation)
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.clamp(EdgeInsets.zero, EdgeInsetsGeometry.infinity),
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child: widget.child
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);
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
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base.debugFillProperties(description);
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description.add(new DiagnosticsProperty<EdgeInsetsGeometryTween>("padding", _padding,
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defaultValue: foundation_.kNullDefaultValue));
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}
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}
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public class AnimatedAlign : ImplicitlyAnimatedWidget {
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public AnimatedAlign(
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Key key = null,
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AlignmentGeometry alignment = null,
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Widget child = null,
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Curve curve = null,
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TimeSpan? duration = null,
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VoidCallback onEnd = null
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) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
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D.assert(alignment != null);
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this.alignment = alignment;
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this.child = child;
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}
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public readonly AlignmentGeometry alignment;
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public readonly Widget child;
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public override State createState() {
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return new _AnimatedAlignState();
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
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base.debugFillProperties(properties: properties);
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properties.add(new DiagnosticsProperty<AlignmentGeometry>("alignment", value: alignment));
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}
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}
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class _AnimatedAlignState : AnimatedWidgetBaseState<AnimatedAlign> {
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AlignmentGeometryTween _alignment;
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protected override void forEachTween(TweenVisitor visitor) {
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_alignment = (AlignmentGeometryTween) visitor.visit(this, tween: _alignment,
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targetValue: widget.alignment, constructor: value => new AlignmentGeometryTween(begin: value));
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}
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public override Widget build(BuildContext context) {
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return new Align(
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alignment: _alignment.evaluate(animation: animation),
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child: widget.child
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);
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
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base.debugFillProperties(properties: description);
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description.add(new DiagnosticsProperty<AlignmentGeometryTween>("alignment", value: _alignment, defaultValue: null));
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}
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}
|
|
|
|
public class AnimatedPositioned : ImplicitlyAnimatedWidget {
|
|
public AnimatedPositioned(
|
|
Key key = null,
|
|
Widget child = null,
|
|
float? left = null,
|
|
float? top = null,
|
|
float? right = null,
|
|
float? bottom = null,
|
|
float? width = null,
|
|
float? height = null,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
|
|
D.assert(left == null || right == null || width == null);
|
|
D.assert(top == null || bottom == null || height == null);
|
|
this.child = child;
|
|
this.left = left;
|
|
this.top = top;
|
|
this.right = right;
|
|
this.bottom = bottom;
|
|
this.width = width;
|
|
this.height = height;
|
|
}
|
|
|
|
public static AnimatedPositioned fromRect(
|
|
Key key = null,
|
|
Widget child = null,
|
|
Rect rect = null,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) {
|
|
return new AnimatedPositioned(
|
|
child: child,
|
|
duration: duration,
|
|
left: rect.left,
|
|
top: rect.top,
|
|
right: null,
|
|
bottom: null,
|
|
width: rect.width,
|
|
height: rect.height,
|
|
curve: curve ?? Curves.linear,
|
|
key: key,
|
|
onEnd: onEnd
|
|
);
|
|
}
|
|
|
|
public readonly Widget child;
|
|
|
|
public readonly float? left;
|
|
|
|
public readonly float? top;
|
|
|
|
public readonly float? right;
|
|
|
|
public readonly float? bottom;
|
|
|
|
public readonly float? width;
|
|
|
|
public readonly float? height;
|
|
|
|
public override State createState() {
|
|
return new _AnimatedPositionedState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties: properties);
|
|
properties.add(new FloatProperty("left", value: left, defaultValue: null));
|
|
properties.add(new FloatProperty("top", value: top, defaultValue: null));
|
|
properties.add(new FloatProperty("right", value: right, defaultValue: null));
|
|
properties.add(new FloatProperty("bottom", value: bottom, defaultValue: null));
|
|
properties.add(new FloatProperty("width", value: width, defaultValue: null));
|
|
properties.add(new FloatProperty("height", value: height, defaultValue: null));
|
|
}
|
|
}
|
|
|
|
class _AnimatedPositionedState : AnimatedWidgetBaseState<AnimatedPositioned> {
|
|
Tween<float?> _left;
|
|
Tween<float?> _top;
|
|
Tween<float?> _right;
|
|
Tween<float?> _bottom;
|
|
Tween<float?> _width;
|
|
Tween<float?> _height;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_left = visitor.visit(this, tween: _left, targetValue: widget.left,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_top = visitor.visit(this, tween: _top, targetValue: widget.top,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_right = visitor.visit(this, tween: _right, targetValue: widget.right,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_bottom = visitor.visit(this, tween: _bottom, targetValue: widget.bottom,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_width = visitor.visit(this, tween: _width, targetValue: widget.width,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_height = visitor.visit(this, tween: _height, targetValue: widget.height,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new Positioned(
|
|
child: widget.child,
|
|
left: _left?.evaluate(animation: animation),
|
|
top: _top?.evaluate(animation: animation),
|
|
right: _right?.evaluate(animation: animation),
|
|
bottom: _bottom?.evaluate(animation: animation),
|
|
width: _width?.evaluate(animation: animation),
|
|
height: _height?.evaluate(animation: animation)
|
|
);
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
|
|
base.debugFillProperties(properties: description);
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("left", value: _left));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("top", value: _top));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("right", value: _right));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("bottom", value: _bottom));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("width", value: _width));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("height", value: _height));
|
|
}
|
|
}
|
|
|
|
public class AnimatedPositionedDirectional : ImplicitlyAnimatedWidget {
|
|
public AnimatedPositionedDirectional(
|
|
Key key = null,
|
|
Widget child = null,
|
|
float? start = null,
|
|
float? top = null,
|
|
float? end = null,
|
|
float? bottom = null,
|
|
float? width = null,
|
|
float? height = null,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
|
|
D.assert(start == null || end == null || width == null);
|
|
D.assert(top == null || bottom == null || height == null);
|
|
this.child = child;
|
|
this.start = start;
|
|
this.top = top;
|
|
this.end = end;
|
|
this.bottom = bottom;
|
|
this.width = width;
|
|
this.height = height;
|
|
}
|
|
|
|
public readonly Widget child;
|
|
|
|
public readonly float? start;
|
|
|
|
public readonly float? top;
|
|
|
|
public readonly float? end;
|
|
|
|
public readonly float? bottom;
|
|
|
|
public readonly float? width;
|
|
|
|
public readonly float? height;
|
|
|
|
public override State createState() {
|
|
return new _AnimatedPositionedDirectionalState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties: properties);
|
|
properties.add(new FloatProperty("start", value: start, defaultValue: null));
|
|
properties.add(new FloatProperty("top", value: top, defaultValue: null));
|
|
properties.add(new FloatProperty("end", value: end, defaultValue: null));
|
|
properties.add(new FloatProperty("bottom", value: bottom, defaultValue: null));
|
|
properties.add(new FloatProperty("width", value: width, defaultValue: null));
|
|
properties.add(new FloatProperty("height", value: height, defaultValue: null));
|
|
}
|
|
}
|
|
|
|
class _AnimatedPositionedDirectionalState : AnimatedWidgetBaseState<AnimatedPositionedDirectional> {
|
|
Tween<float?> _start;
|
|
Tween<float?> _top;
|
|
Tween<float?> _end;
|
|
Tween<float?> _bottom;
|
|
Tween<float?> _width;
|
|
Tween<float?> _height;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_start = visitor.visit(this, tween: _start, targetValue: widget.start,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_top = visitor.visit(this, tween: _top, targetValue: widget.top,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_end = visitor.visit(this, tween: _end, targetValue: widget.end,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_bottom = visitor.visit(this, tween: _bottom, targetValue: widget.bottom,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_width = visitor.visit(this, tween: _width, targetValue: widget.width,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
_height = visitor.visit(this, tween: _height, targetValue: widget.height,
|
|
constructor: value => new NullableFloatTween(begin: value));
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
D.assert(WidgetsD.debugCheckHasDirectionality(context));
|
|
return Positioned.directional(
|
|
textDirection: Directionality.of(context: context),
|
|
child: widget.child,
|
|
start: _start?.evaluate(animation: animation),
|
|
top: _top?.evaluate(animation: animation),
|
|
end: _end?.evaluate(animation: animation),
|
|
bottom: _bottom?.evaluate(animation: animation),
|
|
width: _width?.evaluate(animation: animation),
|
|
height: _height?.evaluate(animation: animation)
|
|
);
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
|
|
base.debugFillProperties(properties: description);
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("start", value: _start));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("top", value: _top));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("end", value: _end));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("bottom", value: _bottom));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("width", value: _width));
|
|
description.add(ObjectFlagProperty<Tween<float?>>.has("height", value: _height));
|
|
}
|
|
}
|
|
|
|
public class AnimatedOpacity : ImplicitlyAnimatedWidget {
|
|
public AnimatedOpacity(
|
|
Key key = null,
|
|
Widget child = null,
|
|
float? opacity = null,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) :
|
|
base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
|
|
D.assert(opacity != null && opacity >= 0.0 && opacity <= 1.0);
|
|
this.child = child;
|
|
this.opacity = opacity;
|
|
}
|
|
|
|
public readonly Widget child;
|
|
|
|
public readonly float? opacity;
|
|
|
|
public override State createState() {
|
|
return new _AnimatedOpacityState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties);
|
|
properties.add(new FloatProperty("opacity", opacity));
|
|
}
|
|
}
|
|
|
|
class _AnimatedOpacityState : ImplicitlyAnimatedWidgetState<AnimatedOpacity> {
|
|
NullableFloatTween _opacity;
|
|
Animation<float> _opacityAnimation;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_opacity = (NullableFloatTween) visitor.visit(this, _opacity, widget.opacity,
|
|
(float? value) => new NullableFloatTween(begin: value));
|
|
}
|
|
|
|
protected override void didUpdateTweens() {
|
|
float? endValue = _opacity.end ?? _opacity.begin ?? null;
|
|
D.assert(endValue != null);
|
|
_opacityAnimation = animation.drive(new FloatTween(begin: _opacity.begin.Value, end: endValue.Value));
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new FadeTransition(
|
|
opacity: _opacityAnimation,
|
|
child: widget.child
|
|
);
|
|
}
|
|
}
|
|
|
|
public class SliverAnimatedOpacity : ImplicitlyAnimatedWidget {
|
|
|
|
protected SliverAnimatedOpacity(
|
|
Key key = null,
|
|
Widget sliver = null,
|
|
float? opacity = null,
|
|
Curve curve = null,
|
|
TimeSpan duration = default,
|
|
VoidCallback onEnd = null
|
|
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
|
|
D.assert(opacity != null && opacity >= 0.0 && opacity <= 1.0);
|
|
this.opacity = opacity;
|
|
this.sliver = sliver;
|
|
}
|
|
|
|
public readonly Widget sliver;
|
|
public readonly float? opacity;
|
|
|
|
public override State createState() {
|
|
return new _SliverAnimatedOpacityState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties);
|
|
properties.add(new FloatProperty("opacity", opacity));
|
|
}
|
|
}
|
|
|
|
class _SliverAnimatedOpacityState : ImplicitlyAnimatedWidgetState<SliverAnimatedOpacity> {
|
|
FloatTween _opacity;
|
|
Animation<float> _opacityAnimation;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_opacity = (FloatTween) visitor.visit(this, _opacity, widget.opacity ?? 0.0f, (float value) => new FloatTween(begin: value, 0));
|
|
}
|
|
|
|
protected override void didUpdateTweens() {
|
|
_opacityAnimation = animation.drive(_opacity);
|
|
}
|
|
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new SliverFadeTransition(
|
|
opacity: _opacityAnimation,
|
|
sliver: widget.sliver
|
|
);
|
|
}
|
|
}
|
|
|
|
public class AnimatedDefaultTextStyle : ImplicitlyAnimatedWidget {
|
|
public AnimatedDefaultTextStyle(
|
|
Key key = null,
|
|
Widget child = null,
|
|
TextStyle style = null,
|
|
TextAlign? textAlign = null,
|
|
bool softWrap = true,
|
|
TextOverflow? overflow = null,
|
|
int? maxLines = null,
|
|
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
|
|
ui.TextHeightBehavior textHeightBehavior = null,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd) {
|
|
overflow = overflow ?? TextOverflow.clip;
|
|
D.assert(duration != null);
|
|
D.assert(style != null);
|
|
D.assert(child != null);
|
|
D.assert(overflow != null);
|
|
D.assert(maxLines == null || maxLines > 0);
|
|
|
|
this.child = child;
|
|
this.style = style;
|
|
this.textAlign = textAlign;
|
|
this.softWrap = softWrap;
|
|
this.overflow = overflow.Value;
|
|
this.maxLines = maxLines;
|
|
this.textHeightBehavior = textHeightBehavior;
|
|
this.textWidthBasis = textWidthBasis;
|
|
|
|
}
|
|
|
|
public readonly Widget child;
|
|
|
|
public readonly TextStyle style;
|
|
|
|
public readonly bool softWrap;
|
|
|
|
public readonly TextAlign? textAlign;
|
|
|
|
public readonly ui.TextHeightBehavior textHeightBehavior;
|
|
|
|
public readonly TextWidthBasis textWidthBasis;
|
|
|
|
public readonly TextOverflow overflow;
|
|
|
|
public readonly int? maxLines;
|
|
|
|
public readonly VoidCallback onEnd;
|
|
|
|
public override State createState() {
|
|
return new _AnimatedDefaultTextStyleState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties);
|
|
|
|
style?.debugFillProperties(properties);
|
|
properties.add(new EnumProperty<TextAlign>("textAlign", textAlign ?? TextAlign.start, defaultValue: null));
|
|
properties.add(new FlagProperty("softWrap", value: softWrap, ifTrue: "wrapping at box width", ifFalse: "no wrapping except at line break characters", showName: true));
|
|
properties.add(new EnumProperty<TextOverflow>("overflow", overflow, defaultValue: null));
|
|
properties.add(new IntProperty("maxLines", maxLines, defaultValue: null));
|
|
properties.add(new EnumProperty<TextWidthBasis>("textWidthBasis", textWidthBasis, defaultValue: TextWidthBasis.parent));
|
|
properties.add(new DiagnosticsProperty<ui.TextHeightBehavior>("textHeightBehavior", textHeightBehavior, defaultValue: null));
|
|
}
|
|
}
|
|
|
|
|
|
class _AnimatedDefaultTextStyleState : AnimatedWidgetBaseState<AnimatedDefaultTextStyle> {
|
|
TextStyleTween _style;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_style = (TextStyleTween) visitor.visit(this, _style, widget.style,
|
|
(TextStyle value) => new TextStyleTween(begin: value));
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new DefaultTextStyle(
|
|
style: _style.evaluate(animation),
|
|
textAlign: widget.textAlign,
|
|
softWrap: widget.softWrap,
|
|
overflow: widget.overflow,
|
|
maxLines: widget.maxLines,
|
|
textWidthBasis: widget.textWidthBasis,
|
|
textHeightBehavior: widget.textHeightBehavior,
|
|
child: widget.child
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
public class AnimatedPhysicalModel : ImplicitlyAnimatedWidget {
|
|
public AnimatedPhysicalModel(
|
|
Key key = null,
|
|
Widget child = null,
|
|
BoxShape? shape = null,
|
|
Clip clipBehavior = Clip.none,
|
|
BorderRadius borderRadius = null,
|
|
float? elevation = null,
|
|
Color color = null,
|
|
bool animateColor = true,
|
|
Color shadowColor = null,
|
|
bool animateShadowColor = true,
|
|
Curve curve = null,
|
|
TimeSpan? duration = null,
|
|
VoidCallback onEnd = null
|
|
) : base(key: key, curve: curve ?? Curves.linear, duration: duration,onEnd: onEnd) {
|
|
D.assert(child != null);
|
|
D.assert(shape != null);
|
|
D.assert(elevation != null && elevation >= 0.0f);
|
|
D.assert(color != null);
|
|
D.assert(shadowColor != null);
|
|
this.child = child;
|
|
this.shape = shape ?? BoxShape.circle;
|
|
this.clipBehavior = clipBehavior;
|
|
this.borderRadius = borderRadius ?? BorderRadius.zero;
|
|
this.elevation = elevation ?? 0.0f;
|
|
this.color = color;
|
|
this.animateColor = animateColor;
|
|
this.shadowColor = shadowColor;
|
|
this.animateShadowColor = animateShadowColor;
|
|
}
|
|
|
|
public readonly Widget child;
|
|
|
|
public readonly BoxShape shape;
|
|
|
|
public readonly Clip clipBehavior;
|
|
|
|
public readonly BorderRadius borderRadius;
|
|
|
|
public readonly float elevation;
|
|
|
|
public readonly Color color;
|
|
|
|
public readonly bool animateColor;
|
|
|
|
public readonly Color shadowColor;
|
|
|
|
public readonly bool animateShadowColor;
|
|
|
|
public override State createState() {
|
|
return new _AnimatedPhysicalModelState();
|
|
}
|
|
|
|
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
|
|
base.debugFillProperties(properties);
|
|
properties.add(new EnumProperty<BoxShape>("shape", shape));
|
|
properties.add(new DiagnosticsProperty<BorderRadius>("borderRadius", borderRadius));
|
|
properties.add(new FloatProperty("elevation", elevation));
|
|
properties.add(new DiagnosticsProperty<Color>("color", color));
|
|
properties.add(new DiagnosticsProperty<bool>("animateColor", animateColor));
|
|
properties.add(new DiagnosticsProperty<Color>("shadowColor", shadowColor));
|
|
properties.add(new DiagnosticsProperty<bool>("animateShadowColor", animateShadowColor));
|
|
|
|
}
|
|
}
|
|
|
|
class _AnimatedPhysicalModelState : AnimatedWidgetBaseState<AnimatedPhysicalModel> {
|
|
BorderRadiusTween _borderRadius;
|
|
FloatTween _elevation;
|
|
ColorTween _color;
|
|
ColorTween _shadowColor;
|
|
|
|
protected override void forEachTween(TweenVisitor visitor) {
|
|
_borderRadius = (BorderRadiusTween) visitor.visit(this, _borderRadius, widget.borderRadius,
|
|
(BorderRadius value) => new BorderRadiusTween(begin: value));
|
|
_elevation = (FloatTween) visitor.visit(this, _elevation, widget.elevation,
|
|
(float value) => new FloatTween(begin: value, end: value));
|
|
_color = (ColorTween) visitor.visit(this, _color, widget.color,
|
|
(Color value) => new ColorTween(begin: value));
|
|
_shadowColor = (ColorTween) visitor.visit(this, _shadowColor, widget.shadowColor,
|
|
(Color value) => new ColorTween(begin: value));
|
|
}
|
|
|
|
public override Widget build(BuildContext context) {
|
|
return new PhysicalModel(
|
|
child: widget.child,
|
|
shape: widget.shape,
|
|
clipBehavior: widget.clipBehavior,
|
|
borderRadius: _borderRadius.evaluate(animation),
|
|
elevation: _elevation.evaluate(animation),
|
|
color: widget.animateColor ? _color.evaluate(animation) : widget.color,
|
|
shadowColor: widget.animateShadowColor
|
|
? _shadowColor.evaluate(animation)
|
|
: widget.shadowColor);
|
|
}
|
|
}
|
|
}
|