firka/flutter
firka/flutter
4
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add findRenderObject to BuildContext

Browse Source
This commit is contained in:
Adam Barth 2015-09-25 13:11:39 -07:00
parent ee45832818
commit d717be946a
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
packages/flutter/lib/src/fn3/framework.dart
View File

@ -291,6 +291,9 @@ abstract class State<T extends StatefulComponent> {
/// Pointer to the owner Element object /// Pointer to the owner Element object
StatefulComponentElement _element; StatefulComponentElement _element;
/// The context in which this object will be built
BuildContext get context => _element;
/// Called when this object is inserted into the tree. Override this function /// Called when this object is inserted into the tree. Override this function
/// to perform initialization that depends on the location at which this /// to perform initialization that depends on the location at which this
/// object was inserted into the tree or on the widget configuration object. /// object was inserted into the tree or on the widget configuration object.
@ -392,6 +395,7 @@ typedef void ElementVisitor(Element element);
abstract class BuildContext { abstract class BuildContext {
InheritedWidget inheritedWidgetOfType(Type targetType); InheritedWidget inheritedWidgetOfType(Type targetType);
RenderObject findRenderObject();
} }
/// Elements are the instantiations of Widget configurations. /// Elements are the instantiations of Widget configurations.
@ -601,6 +605,8 @@ abstract class Element<T extends Widget> implements BuildContext {
return ancestor?.widget; return ancestor?.widget;
} }
RenderObject findRenderObject() => renderObject;
void dependenciesChanged() { void dependenciesChanged() {
assert(false); assert(false);
} }