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92 行
3.1 KiB

using System;
using Unity.UIWidgets.animation;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.ui;
namespace Unity.UIWidgets.widgets {
public abstract class PageRoute : ModalRoute {
public readonly bool fullscreenDialog;
public PageRoute() {}
public PageRoute(RouteSettings settings, bool fullscreenDialog = false) : base(settings) {
this.fullscreenDialog = fullscreenDialog;
}
public override bool opaque {
get { return true; }
}
public override bool barrierDismissible {
get { return false; }
}
public override bool canTransitionTo(TransitionRoute nextRoute) {
return nextRoute is PageRoute;
}
public override bool canTransitionFrom(TransitionRoute previousRoute) {
return previousRoute is PageRoute;
}
public override AnimationController createAnimationController() {
var controller = base.createAnimationController();
if (this.settings.isInitialRoute) {
controller.setValue(1.0f);
}
return controller;
}
}
public class PageRouteBuilder : PageRoute {
public readonly RoutePageBuilder pageBuilder;
public readonly RouteTransitionsBuilder transitionsBuilder;
public PageRouteBuilder(
RouteSettings settings = null,
RoutePageBuilder pageBuilder = null,
RouteTransitionsBuilder transitionsBuilder = null,
TimeSpan? transitionDuration = null,
bool opaque = true,
bool barrierDismissible = false,
Color barrierColor = null,
bool maintainState = true
) : base(settings) {
D.assert(pageBuilder != null);
this.opaque = opaque;
this.pageBuilder = pageBuilder;
this.transitionsBuilder = transitionsBuilder ?? this._defaultTransitionsBuilder;
this.transitionDuration = transitionDuration ?? TimeSpan.FromMilliseconds(300);
this.barrierColor = barrierColor;
this.maintainState = maintainState;
this.barrierDismissible = barrierDismissible;
}
public override TimeSpan transitionDuration { get; }
public override bool opaque { get; }
public override bool barrierDismissible { get; }
public override Color barrierColor { get; }
public override bool maintainState { get; }
Widget _defaultTransitionsBuilder(BuildContext context, Animation<float>
animation, Animation<float> secondaryAnimation, Widget child) {
return child;
}
public override Widget buildPage(BuildContext context, Animation<float> animation,
Animation<float> secondaryAnimation) {
return this.pageBuilder(context, animation, secondaryAnimation);
}
public override Widget buildTransitions(BuildContext context, Animation<float> animation,
Animation<float> secondaryAnimation, Widget child) {
return this.transitionsBuilder(context, animation, secondaryAnimation, child);
}
}
}