public _HeroFlightManifest(
HeroFlightDirection type,
OverlayState overlay,
Rect navigatorRect,
PageRoute fromRoute,
PageRoute toRoute,
_HeroState fromHero,
_HeroState toHero,
CreateRectTween createRectTween,
HeroFlightShuttleBuilder shuttleBuilder,
bool isUserGestureTransition
)
{
D.assert(fromHero.widget.tag == toHero.widget.tag);
this.type = type;
this.overlay = overlay;
this.navigatorRect = navigatorRect;
this.fromRoute = fromRoute;
this.toRoute = toRoute;
this.fromHero = fromHero;
this.toHero = toHero;
this.createRectTween = createRectTween;
this.shuttleBuilder = shuttleBuilder;
this.isUserGestureTransition = isUserGestureTransition;
}
public _DragAvatar(
OverlayState overlayState,
T data = default,
Axis?axis = null,
Offset initialPosition = null,
Offset dragStartPoint = null,
Widget feedback = null,
Offset feedbackOffset = null,
_OnDragEnd onDragEnd = null
)
{
if (feedbackOffset == null)
{
feedbackOffset = Offset.zero;
}
D.assert(overlayState != null);
this.overlayState = overlayState;
this.data = data;
this.axis = axis;
this.dragStartPoint = dragStartPoint ?? Offset.zero;
this.feedback = feedback;
this.feedbackOffset = feedbackOffset ?? Offset.zero;
this.onDragEnd = onDragEnd;
_entry = new OverlayEntry(_build);
this.overlayState.insert(_entry);
_position = initialPosition ?? Offset.zero;
updateDrag(initialPosition);
}
public TextSelectionOverlay(TextEditingValue value = null,
BuildContext context = null, Widget debugRequiredFor = null,
LayerLink layerLink = null,
RenderEditable renderObject = null,
TextSelectionControls selectionControls = null,
TextSelectionDelegate selectionDelegate = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start)
{
D.assert(value != null);
D.assert(context != null);
this.context = context;
this.debugRequiredFor = debugRequiredFor;
this.layerLink = layerLink;
this.renderObject = renderObject;
this.selectionControls = selectionControls;
this.selectionDelegate = selectionDelegate;
this._value = value;
OverlayState overlay = Overlay.of(context);
D.assert(overlay != null, () => $"No Overlay widget exists above {context}.\n" +
"Usually the Navigator created by WidgetsApp provides the overlay. Perhaps your " +
"app content was created above the Navigator with the WidgetsApp builder parameter.");
this._toolbarController = new AnimationController(duration: fadeDuration, vsync: overlay);
this.dragStartBehavior = dragStartBehavior;
}
public static OverlayState of(
BuildContext context,
bool rootOverlay = false,
Widget debugRequiredFor = null)
{
OverlayState result = rootOverlay
? context.findRootAncestorStateOfType <OverlayState>()
: context.findAncestorStateOfType <OverlayState>();
D.assert(() => {
if (debugRequiredFor != null && result == null)
{
var additional = context.widget != debugRequiredFor
? context.describeElement($"\nThe context from which that widget was searching for an overlay was:\n {context}")
: context.describeElement("");
throw new UIWidgetsError(
new List <DiagnosticsNode>()
{
new ErrorSummary("No Overlay widget found."),
new ErrorDescription($"{debugRequiredFor.GetType()} widgets require an Overlay widget ancestor for correct operation."),
new ErrorHint("The most common way to add an Overlay to an application is to include a MaterialApp or Navigator widget in the runApp() call."),
new DiagnosticsProperty <Widget>("The specific widget that failed to find an overlay was", debugRequiredFor, style: DiagnosticsTreeStyle.errorProperty),
additional
});
}
return(true);
});
return(result);
}
public _HeroFlightManifest(
HeroFlightDirection type = default,
OverlayState overlay = null,
Rect navigatorRect = null,
PageRoute fromRoute = null,
PageRoute toRoute = null,
_HeroState fromHero = null,
_HeroState toHero = null,
CreateRectTween createRectTween = null,
HeroFlightShuttleBuilder shuttleBuilder = null,
bool?isUserGestureTransition = null,
bool?isDiverted = null
)
{
D.assert(fromHero.widget.tag.Equals(toHero.widget.tag));
this.type = type;
this.overlay = overlay;
this.navigatorRect = navigatorRect;
this.fromRoute = fromRoute;
this.toRoute = toRoute;
this.fromHero = fromHero;
this.toHero = toHero;
this.createRectTween = createRectTween;
this.shuttleBuilder = shuttleBuilder;
this.isUserGestureTransition = isUserGestureTransition ?? false;
this.isDiverted = isDiverted ?? false;
}
public void remove()
{
D.assert(this._overlay != null);
OverlayState overlay = this._overlay;
this._overlay = null;
if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.persistentCallbacks)
{
SchedulerBinding.instance.addPostFrameCallback((duration) => { overlay._remove(this); });
}
else
{
overlay._remove(this);
}
}
public _DragAvatar(
T data,
OverlayState overlayState,
Axis?axis = null,
Offset initialPosition = null,
Offset dragStartPoint = null,
Widget feedback = null,
Offset feedbackOffset = null,
_OnDragEnd onDragEnd = null
)
{
if (initialPosition == null)
{
initialPosition = Offset.zero;
}
if (dragStartPoint == null)
{
dragStartPoint = Offset.zero;
}
if (feedbackOffset == null)
{
feedbackOffset = Offset.zero;
}
D.assert(overlayState != null);
this.overlayState = overlayState;
this.data = data;
this.axis = axis;
this.dragStartPoint = dragStartPoint;
this.feedback = feedback;
this.feedbackOffset = feedbackOffset;
this.onDragEnd = onDragEnd;
this._entry = new OverlayEntry(this._build);
this.overlayState.insert(this._entry);
this._position = initialPosition;
this.updateDrag(initialPosition);
}
public TextSelectionOverlay(TextEditingValue value = null,
BuildContext context = null, Widget debugRequiredFor = null,
LayerLink layerLink = null,
RenderEditable renderObject = null,
TextSelectionControls selectionControls = null,
TextSelectionDelegate selectionDelegate = null)
{
D.assert(value != null);
D.assert(context != null);
this.context = context;
this.debugRequiredFor = debugRequiredFor;
this.layerLink = layerLink;
this.renderObject = renderObject;
this.selectionControls = selectionControls;
this.selectionDelegate = selectionDelegate;
this._value = value;
OverlayState overlay = Overlay.of(context);
D.assert(overlay != null);
this._handleController = new AnimationController(duration: _fadeDuration, vsync: overlay);
this._toolbarController = new AnimationController(duration: _fadeDuration, vsync: overlay);
}
public TextSelectionOverlay(
TextEditingValue value = null,
BuildContext context = null,
Widget debugRequiredFor = null,
LayerLink toolbarLayerLink = null,
LayerLink startHandleLayerLink = null,
LayerLink endHandleLayerLink = null,
RenderEditable renderObject = null,
TextSelectionControls selectionControls = null,
bool?handlesVisible = false,
TextSelectionDelegate selectionDelegate = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
VoidCallback onSelectionHandleTapped = null)
{
D.assert(value != null);
D.assert(context != null);
D.assert(handlesVisible != null);
_handlesVisible = handlesVisible.Value;
this.context = context;
this.debugRequiredFor = debugRequiredFor;
this.toolbarLayerLink = toolbarLayerLink;
this.startHandleLayerLink = startHandleLayerLink;
this.endHandleLayerLink = endHandleLayerLink;
this.renderObject = renderObject;
this.selectionControls = selectionControls;
this.selectionDelegate = selectionDelegate;
this.onSelectionHandleTapped = onSelectionHandleTapped;
_value = value;
OverlayState overlay = Overlay.of(context, rootOverlay: true);
D.assert(overlay != null, () => $"No Overlay widget exists above {context}.\n" +
"Usually the Navigator created by WidgetsApp provides the overlay. Perhaps your " +
"app content was created above the Navigator with the WidgetsApp builder parameter.");
_toolbarController = new AnimationController(duration: fadeDuration, vsync: overlay);
this.dragStartBehavior = dragStartBehavior;
}
public static OverlayState of(BuildContext context, Widget debugRequiredFor = null)
{
OverlayState result = (OverlayState)context.ancestorStateOfType(new TypeMatcher <OverlayState>());
D.assert(() => {
if (debugRequiredFor != null && result == null)
{
var additional = context.widget != debugRequiredFor
? $"\nThe context from which that widget was searching for an overlay was:\n {context}"
: "";
throw new UIWidgetsError(
"No Overlay widget found.\n" +
$"{debugRequiredFor.GetType()} widgets require an Overlay widget ancestor for correct operation.\n" +
"The most common way to add an Overlay to an application is to include a MaterialApp or Navigator widget in the runApp() call.\n" +
"The specific widget that failed to find an overlay was:\n" +
$" {debugRequiredFor}" +
$"{additional}"
);
}
return(true);
});
return(result);
}
