InheritedMediator class

An InheritedModel subclass that is rebuilt by _HostState. Aspect type always is Object.

Inheritance

• Object
• DiagnosticableTree
• Widget
• ProxyWidget
• InheritedWidget
• InheritedMediator

Constructors

InheritedMediator({Key? key, required Widget child})

Creates an inherited model that supports dependencies qualified by "aspects", i.e. a descendant widget can indicate that it should only be rebuilt if a specific aspect of the model changes.

const

Properties

child → Widget

The widget below this widget in the tree.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → InheritedMediatorElement

Inflates this configuration to a concrete instance.

override

debugDescribeChildren() → List<DiagnosticsNode>

Returns a list of DiagnosticsNode objects describing this node's children.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode

Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.

inherited

toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String

A string representation of this object.

inherited

toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a string representation of this node and its descendants.

inherited

toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a one-line detailed description of the object.

inherited

toStringShort() → String

A short, textual description of this widget.

inherited

updateShouldNotify(covariant InheritedMediator oldWidget) → bool

Whether the framework should notify widgets that inherit from this widget.

override

updateShouldNotifyDependent(InheritedMediator oldWidget, HashSet<Object> dependencies) → bool

Return true if the changes between this model and oldWidget match any of the dependencies.

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

inheritFrom<T extends InheritedMediator>(BuildContext context, {Iterable<Object>? aspect}) → T?

Makes context dependent on the specified aspect of an InheritedModel of type T.