void _markNeedsBuild()
{
if (_handles != null)
{
_handles[0].markNeedsBuild();
_handles[1].markNeedsBuild();
}
_toolbar?.markNeedsBuild();
}
void updateDrag(Offset globalPosition)
{
_lastOffset = globalPosition - dragStartPoint;
_entry.markNeedsBuild();
HitTestResult result = new HitTestResult();
WidgetsBinding.instance.hitTest(result, globalPosition + feedbackOffset);
List <_DragTargetState <T> > targets = _getDragTargets(result.path);
bool listsMatch = false;
if (targets.Count >= _enteredTargets.Count && _enteredTargets.isNotEmpty())
{
listsMatch = true;
List <_DragTargetState <T> > .Enumerator iterator = targets.GetEnumerator();
for (int i = 0; i < _enteredTargets.Count; i++)
{
iterator.MoveNext();
if (iterator.Current != _enteredTargets[i])
{
listsMatch = false;
break;
}
}
}
if (listsMatch)
{
return;
}
_leaveAllEntered();
_DragTargetState <T> newTarget = null;
foreach (var target in targets)
{
_enteredTargets.Add(target);
if (target.didEnter(this))
{
newTarget = target;
break;
}
}
_activeTarget = newTarget;
}
public void divert(_HeroFlightManifest newManifest)
{
D.assert(manifest.tag == newManifest.tag);
if (manifest.type == HeroFlightDirection.push && newManifest.type == HeroFlightDirection.pop)
{
D.assert(newManifest.animation.status == AnimationStatus.reverse);
D.assert(manifest.fromHero == newManifest.toHero);
D.assert(manifest.toHero == newManifest.fromHero);
D.assert(manifest.fromRoute == newManifest.toRoute);
D.assert(manifest.toRoute == newManifest.fromRoute);
_proxyAnimation.parent = new ReverseAnimation(newManifest.animation);
heroRectTween = new ReverseTween <Rect>(heroRectTween);
}
else if (manifest.type == HeroFlightDirection.pop && newManifest.type == HeroFlightDirection.push)
{
D.assert(newManifest.animation.status == AnimationStatus.forward);
D.assert(manifest.toHero == newManifest.fromHero);
D.assert(manifest.toRoute == newManifest.fromRoute);
_proxyAnimation.parent = newManifest.animation.drive(
new FloatTween(
begin: manifest.animation.value,
end: 1.0f
)
);
if (manifest.fromHero != newManifest.toHero)
{
manifest.fromHero.endFlight(keepPlaceholder: true);
newManifest.toHero.startFlight();
heroRectTween = _doCreateRectTween(
heroRectTween.end,
HeroUtils._boundingBoxFor(newManifest.toHero.context, newManifest.toRoute.subtreeContext)
);
}
else
{
heroRectTween = _doCreateRectTween(heroRectTween.end, heroRectTween.begin);
}
}
else
{
D.assert(manifest.fromHero != newManifest.fromHero);
D.assert(manifest.toHero != newManifest.toHero);
heroRectTween = _doCreateRectTween(
heroRectTween.evaluate(_proxyAnimation),
HeroUtils._boundingBoxFor(newManifest.toHero.context, newManifest.toRoute.subtreeContext)
);
shuttle = null;
if (newManifest.type == HeroFlightDirection.pop)
{
_proxyAnimation.parent = new ReverseAnimation(newManifest.animation);
}
else
{
_proxyAnimation.parent = newManifest.animation;
}
manifest.fromHero.endFlight(keepPlaceholder: true);
manifest.toHero.endFlight(keepPlaceholder: true);
// Let the heroes in each of the routes rebuild with their placeholders.
newManifest.fromHero.startFlight(shouldIncludedChildInPlaceholder: newManifest.type == HeroFlightDirection.push);
newManifest.toHero.startFlight();
overlayEntry.markNeedsBuild();
}
_aborted = false;
manifest = newManifest;
}
