using System; using Unity.UIWidgets.animation; using Unity.UIWidgets.foundation; using Unity.UIWidgets.ui; using UnityEngine; namespace Unity.UIWidgets.material { public partial class material_ { public const float kFloatingActionButtonMargin = 16.0f; public static readonly TimeSpan kFloatingActionButtonSegue = new TimeSpan(0, 0, 0, 0, 200); public const float kFloatingActionButtonTurnInterval = 0.125f; public static float _leftOffset(ScaffoldPrelayoutGeometry scaffoldGeometry, float offset = 0.0f) { return kFloatingActionButtonMargin + scaffoldGeometry.minInsets.left - offset; } public static float _rightOffset(ScaffoldPrelayoutGeometry scaffoldGeometry, float offset = 0.0f) { return scaffoldGeometry.scaffoldSize.width - kFloatingActionButtonMargin - scaffoldGeometry.minInsets.right - scaffoldGeometry.floatingActionButtonSize.width + offset; } public static float _endOffset(ScaffoldPrelayoutGeometry scaffoldGeometry, float offset = 0.0f) { return _rightOffset(scaffoldGeometry, offset: offset); } public static float _startOffset(ScaffoldPrelayoutGeometry scaffoldGeometry, float offset = 0.0f) { return _leftOffset(scaffoldGeometry, offset: offset); } public static float _straddleAppBar(ScaffoldPrelayoutGeometry scaffoldGeometry) { float fabHalfHeight = scaffoldGeometry.floatingActionButtonSize.height / 2.0f; return scaffoldGeometry.contentTop - fabHalfHeight; } } public abstract class FloatingActionButtonLocation { protected FloatingActionButtonLocation() { } public static readonly FloatingActionButtonLocation endFloat = new _EndFloatFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation centerFloat = new _CenterFloatFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation endDocked = new _EndDockedFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation centerDocked = new _CenterDockedFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation startTop = new _StartTopFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation miniStartTop = new _MiniStartTopFloatingActionButtonLocation(); public static readonly FloatingActionButtonLocation endTop = new _EndTopFloatingActionButtonLocation(); public abstract Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry); public override string ToString() { return foundation_.objectRuntimeType(this, "FloatingActionButtonLocation"); } } class _CenterFloatFloatingActionButtonLocation : FloatingActionButtonLocation { public _CenterFloatFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { float fabX = (scaffoldGeometry.scaffoldSize.width - scaffoldGeometry.floatingActionButtonSize.width) / 2.0f; float contentBottom = scaffoldGeometry.contentBottom; float bottomSheetHeight = scaffoldGeometry.bottomSheetSize.height; float fabHeight = scaffoldGeometry.floatingActionButtonSize.height; float snackBarHeight = scaffoldGeometry.snackBarSize.height; float fabY = contentBottom - fabHeight - material_.kFloatingActionButtonMargin; if (snackBarHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - snackBarHeight - fabHeight - material_.kFloatingActionButtonMargin); } if (bottomSheetHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - bottomSheetHeight - fabHeight / 2.0f); } return new Offset(fabX, fabY); } public override string ToString() { return "FloatingActionButtonLocation.centerFloat"; } } class _EndFloatFloatingActionButtonLocation : FloatingActionButtonLocation { public _EndFloatFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { float fabX = material_._endOffset(scaffoldGeometry); float contentBottom = scaffoldGeometry.contentBottom; float bottomSheetHeight = scaffoldGeometry.bottomSheetSize.height; float fabHeight = scaffoldGeometry.floatingActionButtonSize.height; float snackBarHeight = scaffoldGeometry.snackBarSize.height; float fabY = contentBottom - fabHeight - material_.kFloatingActionButtonMargin; if (snackBarHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - snackBarHeight - fabHeight - material_.kFloatingActionButtonMargin); } if (bottomSheetHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - bottomSheetHeight - fabHeight / 2.0f); } return new Offset(fabX, fabY); } public override string ToString() { return "FloatingActionButtonLocation.endFloat"; } } abstract class _DockedFloatingActionButtonLocation : FloatingActionButtonLocation { protected _DockedFloatingActionButtonLocation() { } protected float getDockedY(ScaffoldPrelayoutGeometry scaffoldGeometry) { float contentBottom = scaffoldGeometry.contentBottom; float bottomSheetHeight = scaffoldGeometry.bottomSheetSize.height; float fabHeight = scaffoldGeometry.floatingActionButtonSize.height; float snackBarHeight = scaffoldGeometry.snackBarSize.height; float fabY = contentBottom - fabHeight / 2.0f; if (snackBarHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - snackBarHeight - fabHeight - material_.kFloatingActionButtonMargin); } if (bottomSheetHeight > 0.0f) { fabY = Mathf.Min(fabY, contentBottom - bottomSheetHeight - fabHeight / 2.0f); } float maxFabY = scaffoldGeometry.scaffoldSize.height - fabHeight; return Mathf.Min(maxFabY, fabY); } } class _EndDockedFloatingActionButtonLocation : _DockedFloatingActionButtonLocation { public _EndDockedFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { float fabX = material_._endOffset(scaffoldGeometry); return new Offset(fabX, getDockedY(scaffoldGeometry)); } public override string ToString() { return "FloatingActionButtonLocation.endDocked"; } } class _CenterDockedFloatingActionButtonLocation : _DockedFloatingActionButtonLocation { public _CenterDockedFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { float fabX = (scaffoldGeometry.scaffoldSize.width - scaffoldGeometry.floatingActionButtonSize.width) / 2.0f; return new Offset(fabX, getDockedY(scaffoldGeometry)); } public override string ToString() { return "FloatingActionButtonLocation.centerDocked"; } } class _StartTopFloatingActionButtonLocation : FloatingActionButtonLocation { public _StartTopFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { return new Offset(material_._startOffset(scaffoldGeometry), material_._straddleAppBar(scaffoldGeometry)); } public override string ToString() { return "FloatingActionButtonLocation.startTop"; } } class _MiniStartTopFloatingActionButtonLocation : FloatingActionButtonLocation { public _MiniStartTopFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { return new Offset(material_._startOffset(scaffoldGeometry, offset: 4.0f), material_._straddleAppBar(scaffoldGeometry)); } public override string ToString() { return "FloatingActionButtonLocation.miniStartTop"; } } class _EndTopFloatingActionButtonLocation : FloatingActionButtonLocation { public _EndTopFloatingActionButtonLocation() { } public override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { return new Offset(material_._endOffset(scaffoldGeometry), material_._straddleAppBar(scaffoldGeometry)); } public override string ToString() { return "FloatingActionButtonLocation.endTop"; } } public abstract class FloatingActionButtonAnimator { protected FloatingActionButtonAnimator() { } public static readonly FloatingActionButtonAnimator scaling = new _ScalingFabMotionAnimator(); public abstract Offset getOffset(Offset begin, Offset end, float progress); public abstract Animation getScaleAnimation(Animation parent); public abstract Animation getRotationAnimation(Animation parent); public virtual float getAnimationRestart(float previousValue) { return 0.0f; } public override string ToString() { return foundation_.objectRuntimeType(this, "FloatingActionButtonAnimator"); } } class _ScalingFabMotionAnimator : FloatingActionButtonAnimator { public _ScalingFabMotionAnimator() { } public override Offset getOffset(Offset begin, Offset end, float progress) { if (progress < 0.5f) { return begin; } else { return end; } } public override Animation getScaleAnimation(Animation parent) { Curve curve = new Interval(0.5f, 1.0f, curve: Curves.ease); return new _AnimationSwap( new ReverseAnimation(parent.drive(new CurveTween(curve: curve.flipped))), parent.drive(new CurveTween(curve: curve)), parent, 0.5f ); } static readonly Animatable _rotationTween = new FloatTween( begin: 1.0f - material_.kFloatingActionButtonTurnInterval * 2.0f, end: 1.0f ); static readonly Animatable _thresholdCenterTween = new CurveTween(curve: new Threshold(0.5f)); public override Animation getRotationAnimation(Animation parent) { return new _AnimationSwap( parent.drive(_rotationTween), new ReverseAnimation(parent.drive(_thresholdCenterTween)), parent, 0.5f ); } public override float getAnimationRestart(float previousValue) { return Mathf.Min(1.0f - previousValue, previousValue); } } class _AnimationSwap : CompoundAnimation { public _AnimationSwap( Animation first, Animation next, Animation parent, float swapThreshold ) : base(first: first, next: next) { this.parent = parent; this.swapThreshold = swapThreshold; } public readonly Animation parent; public readonly float swapThreshold; public override T value { get { return parent.value < swapThreshold ? first.value : next.value; } } } }