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1381 行
51 KiB
1381 行
51 KiB
/*
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WARNING!!!: GENERATED BY CODE, DO NOT CHANGE !!!!!!
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A file with the suffix .gen.cs is automatically generate from its corresponding template file with suffix .njk using nunjucks.
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If you want to update this file, please edit the corresponding .njk file first and execute the following cmd at the Scripts folder:
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"node uiwidgets-cli.js codegen"
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*/
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// AUTO-GENERATED, DO NOT EDIT BY HAND
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using System.Collections.Generic;
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using Unity.UIWidgets.foundation;
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using Unity.UIWidgets.painting;
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using Unity.UIWidgets.ui;
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using Unity.UIWidgets.widgets;
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using UnityEngine;
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namespace Unity.UIWidgets.rendering {
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public abstract class RenderObjectWithChildMixinRenderObject<ChildType> : RenderObject, RenderObjectWithChildMixin<ChildType>, RenderObjectWithChildMixin where ChildType : RenderObject {
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public virtual bool debugValidateChild(RenderObject child) {
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D.assert(() => {
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if (!(child is ChildType)) {
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throw new UIWidgetsError(
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"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
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"child of type " + child.GetType() + ".\n" +
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"RenderObjects expect specific types of children because they " +
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"coordinate with their children during layout and paint. For " +
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"example, a RenderSliver cannot be the child of a RenderBox because " +
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"a RenderSliver does not understand the RenderBox layout protocol.\n" +
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"\n" +
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"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
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" " + debugCreator + "\n" +
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"\n" +
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"The " + child.GetType() + " that did not match the expected child type " +
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"was created by:\n" +
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" " + child.debugCreator + "\n"
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);
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}
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return true;
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});
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return true;
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}
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internal ChildType _child;
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public ChildType child {
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get { return _child; }
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set {
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if (_child != null) {
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dropChild(_child);
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}
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_child = value;
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if (_child != null) {
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adoptChild(_child);
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}
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}
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}
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RenderObject RenderObjectWithChildMixin.child {
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get { return child; }
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set { child = (ChildType) value; }
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}
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public override void attach(object owner) {
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base.attach(owner);
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if (_child != null) {
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_child.attach(owner);
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}
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}
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public override void detach() {
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base.detach();
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if (_child != null) {
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_child.detach();
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}
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}
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public override void redepthChildren() {
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if (_child != null) {
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redepthChild(_child);
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}
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}
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public override void visitChildren(RenderObjectVisitor visitor) {
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if (_child != null) {
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visitor(_child);
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}
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}
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public override List<DiagnosticsNode> debugDescribeChildren() {
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return child != null
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? new List<DiagnosticsNode>{child.toDiagnosticsNode(name: "child")}
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: new List<DiagnosticsNode>();
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}
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}
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public abstract class RenderObjectWithChildMixinRenderBox<ChildType> : RenderBox, RenderObjectWithChildMixin<ChildType>, RenderObjectWithChildMixin where ChildType : RenderObject {
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public virtual bool debugValidateChild(RenderObject child) {
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D.assert(() => {
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if (!(child is ChildType)) {
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throw new UIWidgetsError(
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"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
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"child of type " + child.GetType() + ".\n" +
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"RenderObjects expect specific types of children because they " +
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"coordinate with their children during layout and paint. For " +
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"example, a RenderSliver cannot be the child of a RenderBox because " +
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"a RenderSliver does not understand the RenderBox layout protocol.\n" +
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"\n" +
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"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
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" " + debugCreator + "\n" +
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"\n" +
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"The " + child.GetType() + " that did not match the expected child type " +
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"was created by:\n" +
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" " + child.debugCreator + "\n"
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);
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}
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return true;
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});
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return true;
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}
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internal ChildType _child;
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public ChildType child {
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get { return _child; }
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set {
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if (_child != null) {
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dropChild(_child);
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}
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_child = value;
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if (_child != null) {
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adoptChild(_child);
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}
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}
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}
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RenderObject RenderObjectWithChildMixin.child {
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get { return child; }
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set { child = (ChildType) value; }
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}
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public override void attach(object owner) {
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base.attach(owner);
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if (_child != null) {
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_child.attach(owner);
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}
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}
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public override void detach() {
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base.detach();
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if (_child != null) {
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_child.detach();
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}
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}
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public override void redepthChildren() {
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if (_child != null) {
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redepthChild(_child);
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}
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}
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public override void visitChildren(RenderObjectVisitor visitor) {
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if (_child != null) {
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visitor(_child);
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}
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}
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public override List<DiagnosticsNode> debugDescribeChildren() {
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return child != null
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? new List<DiagnosticsNode>{child.toDiagnosticsNode(name: "child")}
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: new List<DiagnosticsNode>();
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}
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}
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public abstract class RenderObjectWithChildMixinRenderSliver<ChildType> : RenderSliver, RenderObjectWithChildMixin<ChildType>, RenderObjectWithChildMixin where ChildType : RenderObject {
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public virtual bool debugValidateChild(RenderObject child) {
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D.assert(() => {
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if (!(child is ChildType)) {
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throw new UIWidgetsError(
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"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
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"child of type " + child.GetType() + ".\n" +
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"RenderObjects expect specific types of children because they " +
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"coordinate with their children during layout and paint. For " +
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"example, a RenderSliver cannot be the child of a RenderBox because " +
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"a RenderSliver does not understand the RenderBox layout protocol.\n" +
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"\n" +
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"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
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" " + debugCreator + "\n" +
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"\n" +
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"The " + child.GetType() + " that did not match the expected child type " +
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"was created by:\n" +
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" " + child.debugCreator + "\n"
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);
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}
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return true;
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});
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return true;
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}
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internal ChildType _child;
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public ChildType child {
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get { return _child; }
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set {
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if (_child != null) {
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dropChild(_child);
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}
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_child = value;
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if (_child != null) {
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adoptChild(_child);
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}
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}
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}
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RenderObject RenderObjectWithChildMixin.child {
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get { return child; }
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set { child = (ChildType) value; }
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}
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public override void attach(object owner) {
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base.attach(owner);
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if (_child != null) {
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_child.attach(owner);
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}
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}
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public override void detach() {
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base.detach();
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if (_child != null) {
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_child.detach();
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}
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}
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public override void redepthChildren() {
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if (_child != null) {
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redepthChild(_child);
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}
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}
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public override void visitChildren(RenderObjectVisitor visitor) {
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if (_child != null) {
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visitor(_child);
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}
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}
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public override List<DiagnosticsNode> debugDescribeChildren() {
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return child != null
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? new List<DiagnosticsNode>{child.toDiagnosticsNode(name: "child")}
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: new List<DiagnosticsNode>();
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}
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}
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public abstract class ContainerParentDataMixinParentData<ChildType> : ParentData, ContainerParentDataMixin<ChildType> where ChildType : RenderObject {
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public ChildType previousSibling { get; set; }
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public ChildType nextSibling { get; set; }
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public override void detach() {
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base.detach();
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D.assert(previousSibling == null);
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D.assert(nextSibling == null);
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// if (previousSibling != null) {
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// var previousSiblingParentData = (ContainerParentDataMixin<ChildType>) previousSibling.parentData;
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// previousSiblingParentData.nextSibling = nextSibling;
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// }
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// if (nextSibling != null) {
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// var nextSiblingParentData = (ContainerParentDataMixin<ChildType>) nextSibling.parentData;
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// nextSiblingParentData.previousSibling = previousSibling;
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// }
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// previousSibling = null;
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// nextSibling = null;
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}
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}
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public abstract class ContainerParentDataMixinBoxParentData<ChildType> : BoxParentData, ContainerParentDataMixin<ChildType> where ChildType : RenderObject {
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public ChildType previousSibling { get; set; }
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public ChildType nextSibling { get; set; }
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public override void detach() {
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base.detach();
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D.assert(previousSibling == null);
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D.assert(nextSibling == null);
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// if (previousSibling != null) {
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// var previousSiblingParentData = (ContainerParentDataMixin<ChildType>) previousSibling.parentData;
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// previousSiblingParentData.nextSibling = nextSibling;
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// }
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// if (nextSibling != null) {
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// var nextSiblingParentData = (ContainerParentDataMixin<ChildType>) nextSibling.parentData;
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// nextSiblingParentData.previousSibling = previousSibling;
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// }
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// previousSibling = null;
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// nextSibling = null;
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}
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}
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public abstract class ContainerParentDataMixinSliverPhysicalParentData<ChildType> : SliverPhysicalParentData, ContainerParentDataMixin<ChildType> where ChildType : RenderObject {
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public ChildType previousSibling { get; set; }
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public ChildType nextSibling { get; set; }
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public override void detach() {
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base.detach();
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D.assert(previousSibling == null);
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D.assert(nextSibling == null);
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// if (previousSibling != null) {
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// var previousSiblingParentData = (ContainerParentDataMixin<ChildType>) previousSibling.parentData;
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// previousSiblingParentData.nextSibling = nextSibling;
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// }
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// if (nextSibling != null) {
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// var nextSiblingParentData = (ContainerParentDataMixin<ChildType>) nextSibling.parentData;
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// nextSiblingParentData.previousSibling = previousSibling;
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// }
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// previousSibling = null;
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// nextSibling = null;
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}
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}
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public abstract class ContainerParentDataMixinSliverLogicalParentData<ChildType> : SliverLogicalParentData, ContainerParentDataMixin<ChildType> where ChildType : RenderObject {
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public ChildType previousSibling { get; set; }
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public ChildType nextSibling { get; set; }
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public override void detach() {
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base.detach();
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D.assert(previousSibling == null);
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D.assert(nextSibling == null);
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// if (previousSibling != null) {
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// var previousSiblingParentData = (ContainerParentDataMixin<ChildType>) previousSibling.parentData;
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// previousSiblingParentData.nextSibling = nextSibling;
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// }
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// if (nextSibling != null) {
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// var nextSiblingParentData = (ContainerParentDataMixin<ChildType>) nextSibling.parentData;
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// nextSiblingParentData.previousSibling = previousSibling;
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// }
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// previousSibling = null;
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// nextSibling = null;
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}
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}
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public abstract class ContainerRenderObjectMixinRenderBox<ChildType, ParentDataType> : RenderBox, ContainerRenderObjectMixin
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where ChildType : RenderObject
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where ParentDataType : ParentData, ContainerParentDataMixin<ChildType> {
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bool _debugUltimatePreviousSiblingOf(ChildType child, ChildType equals = null) {
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ParentDataType childParentData = (ParentDataType) child.parentData;
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while (childParentData.previousSibling != null) {
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D.assert(childParentData.previousSibling != child);
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child = childParentData.previousSibling;
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childParentData = (ParentDataType) child.parentData;
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}
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return child == equals;
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}
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bool _debugUltimateNextSiblingOf(ChildType child, ChildType equals = null) {
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ParentDataType childParentData = (ParentDataType) child.parentData;
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while (childParentData.nextSibling != null) {
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D.assert(childParentData.nextSibling != child);
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child = childParentData.nextSibling;
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childParentData = (ParentDataType) child.parentData;
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}
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return child == equals;
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}
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int _childCount = 0;
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public int childCount {
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get { return _childCount; }
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}
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public bool debugValidateChild(RenderObject child) {
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D.assert(() => {
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if (!(child is ChildType)) {
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throw new UIWidgetsError(
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"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
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"child of type " + child.GetType() + ".\n" +
|
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"RenderObjects expect specific types of children because they " +
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"coordinate with their children during layout and paint. For " +
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"example, a RenderSliver cannot be the child of a RenderBox because " +
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"a RenderSliver does not understand the RenderBox layout protocol.\n" +
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"\n" +
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"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
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" " + debugCreator + "\n" +
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"\n" +
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"The " + child.GetType() + " that did not match the expected child type " +
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"was created by:\n" +
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" " + child.debugCreator + "\n"
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);
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}
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return true;
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});
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return true;
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}
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ChildType _firstChild;
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ChildType _lastChild;
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void _insertIntoChildList(ChildType child, ChildType after = null) {
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var childParentData = (ParentDataType) child.parentData;
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D.assert(childParentData.nextSibling == null);
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D.assert(childParentData.previousSibling == null);
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_childCount++;
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D.assert(_childCount > 0);
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if (after == null) {
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childParentData.nextSibling = _firstChild;
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if (_firstChild != null) {
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var firstChildParentData = (ParentDataType) _firstChild.parentData;
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firstChildParentData.previousSibling = child;
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}
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_firstChild = child;
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_lastChild = _lastChild ?? child;
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} else {
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D.assert(_firstChild != null);
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D.assert(_lastChild != null);
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D.assert(_debugUltimatePreviousSiblingOf(after, equals: _firstChild));
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D.assert(_debugUltimateNextSiblingOf(after, equals: _lastChild));
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var afterParentData = (ParentDataType) after.parentData;
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if (afterParentData.nextSibling == null) {
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D.assert(after == _lastChild);
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childParentData.previousSibling = after;
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afterParentData.nextSibling = child;
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_lastChild = child;
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} else {
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childParentData.nextSibling = afterParentData.nextSibling;
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childParentData.previousSibling = after;
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var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
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var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
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childPreviousSiblingParentData.nextSibling = child;
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childNextSiblingParentData.previousSibling = child;
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D.assert(afterParentData.nextSibling == child);
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}
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}
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}
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public virtual void insert(ChildType child, ChildType after = null) {
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D.assert(child != this, ()=>"A RenderObject cannot be inserted into itself.");
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D.assert(after != this,
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()=>"A RenderObject cannot simultaneously be both the parent and the sibling of another RenderObject.");
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D.assert(child != after, ()=>"A RenderObject cannot be inserted after itself.");
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D.assert(child != _firstChild);
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D.assert(child != _lastChild);
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adoptChild(child);
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_insertIntoChildList(child, after);
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}
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public virtual void add(ChildType child) {
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insert(child, _lastChild);
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}
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public virtual void addAll(List<ChildType> children) {
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if (children != null) {
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children.ForEach(add);
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}
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}
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public void _removeFromChildList(ChildType child) {
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var childParentData = (ParentDataType) child.parentData;
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D.assert(_debugUltimatePreviousSiblingOf(child, equals: _firstChild));
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D.assert(_debugUltimateNextSiblingOf(child, equals: _lastChild));
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D.assert(_childCount >= 0);
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if (childParentData.previousSibling == null) {
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D.assert(_firstChild == child);
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_firstChild = childParentData.nextSibling;
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} else {
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var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
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childPreviousSiblingParentData.nextSibling = childParentData.nextSibling;
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}
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if (childParentData.nextSibling == null) {
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D.assert(_lastChild == child);
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_lastChild = childParentData.previousSibling;
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} else {
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var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
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childNextSiblingParentData.previousSibling = childParentData.previousSibling;
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}
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childParentData.previousSibling = null;
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childParentData.nextSibling = null;
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_childCount--;
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}
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public virtual void remove(ChildType child) {
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|
_removeFromChildList(child);
|
|
dropChild(child);
|
|
}
|
|
|
|
public virtual void removeAll() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
var next = childParentData.nextSibling;
|
|
childParentData.previousSibling = null;
|
|
childParentData.nextSibling = null;
|
|
dropChild(child);
|
|
child = next;
|
|
}
|
|
|
|
_firstChild = null;
|
|
_lastChild = null;
|
|
_childCount = 0;
|
|
}
|
|
|
|
public void move(ChildType child, ChildType after = null) {
|
|
D.assert(child != this);
|
|
D.assert(after != this);
|
|
D.assert(child != after);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
if (childParentData.previousSibling == after) {
|
|
return;
|
|
}
|
|
|
|
_removeFromChildList(child);
|
|
_insertIntoChildList(child, after);
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public override void attach(object owner) {
|
|
base.attach(owner);
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.attach(owner);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void detach() {
|
|
base.detach();
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.detach();
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void redepthChildren() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
redepthChild(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void visitChildren(RenderObjectVisitor visitor) {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
visitor(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public ChildType firstChild {
|
|
get { return _firstChild; }
|
|
}
|
|
|
|
public ChildType lastChild {
|
|
get { return _lastChild; }
|
|
}
|
|
|
|
public ChildType childBefore(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.previousSibling;
|
|
}
|
|
|
|
public ChildType childAfter(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.nextSibling;
|
|
}
|
|
|
|
public override List<DiagnosticsNode> debugDescribeChildren() {
|
|
var children = new List<DiagnosticsNode>();
|
|
if (firstChild != null) {
|
|
ChildType child = firstChild;
|
|
int count = 1;
|
|
while (true) {
|
|
children.Add(child.toDiagnosticsNode(name: "child " + count));
|
|
if (child == lastChild) {
|
|
break;
|
|
}
|
|
|
|
count += 1;
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
return children;
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.insert(RenderObject child, RenderObject after) {
|
|
insert((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.remove(RenderObject child) {
|
|
remove((ChildType) child);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.move(RenderObject child, RenderObject after) {
|
|
move((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.firstChild {
|
|
get { return firstChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.lastChild {
|
|
get { return lastChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childBefore(RenderObject child) {
|
|
return childBefore((ChildType) child);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childAfter(RenderObject child) {
|
|
return childAfter((ChildType) child);
|
|
}
|
|
}
|
|
|
|
|
|
public abstract class ContainerRenderObjectMixinRenderSliver<ChildType, ParentDataType> : RenderSliver, ContainerRenderObjectMixin
|
|
where ChildType : RenderObject
|
|
where ParentDataType : ParentData, ContainerParentDataMixin<ChildType> {
|
|
|
|
bool _debugUltimatePreviousSiblingOf(ChildType child, ChildType equals = null) {
|
|
ParentDataType childParentData = (ParentDataType) child.parentData;
|
|
while (childParentData.previousSibling != null) {
|
|
D.assert(childParentData.previousSibling != child);
|
|
child = childParentData.previousSibling;
|
|
childParentData = (ParentDataType) child.parentData;
|
|
}
|
|
|
|
return child == equals;
|
|
}
|
|
|
|
bool _debugUltimateNextSiblingOf(ChildType child, ChildType equals = null) {
|
|
ParentDataType childParentData = (ParentDataType) child.parentData;
|
|
while (childParentData.nextSibling != null) {
|
|
D.assert(childParentData.nextSibling != child);
|
|
child = childParentData.nextSibling;
|
|
childParentData = (ParentDataType) child.parentData;
|
|
}
|
|
|
|
return child == equals;
|
|
}
|
|
|
|
int _childCount = 0;
|
|
|
|
public int childCount {
|
|
get { return _childCount; }
|
|
}
|
|
|
|
public bool debugValidateChild(RenderObject child) {
|
|
D.assert(() => {
|
|
if (!(child is ChildType)) {
|
|
throw new UIWidgetsError(
|
|
"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
|
|
"child of type " + child.GetType() + ".\n" +
|
|
"RenderObjects expect specific types of children because they " +
|
|
"coordinate with their children during layout and paint. For " +
|
|
"example, a RenderSliver cannot be the child of a RenderBox because " +
|
|
"a RenderSliver does not understand the RenderBox layout protocol.\n" +
|
|
"\n" +
|
|
"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
|
|
" " + debugCreator + "\n" +
|
|
"\n" +
|
|
"The " + child.GetType() + " that did not match the expected child type " +
|
|
"was created by:\n" +
|
|
" " + child.debugCreator + "\n"
|
|
);
|
|
}
|
|
|
|
return true;
|
|
});
|
|
return true;
|
|
}
|
|
|
|
ChildType _firstChild;
|
|
|
|
ChildType _lastChild;
|
|
|
|
void _insertIntoChildList(ChildType child, ChildType after = null) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
D.assert(childParentData.nextSibling == null);
|
|
D.assert(childParentData.previousSibling == null);
|
|
|
|
_childCount++;
|
|
D.assert(_childCount > 0);
|
|
|
|
if (after == null) {
|
|
childParentData.nextSibling = _firstChild;
|
|
if (_firstChild != null) {
|
|
var firstChildParentData = (ParentDataType) _firstChild.parentData;
|
|
firstChildParentData.previousSibling = child;
|
|
}
|
|
|
|
_firstChild = child;
|
|
_lastChild = _lastChild ?? child;
|
|
} else {
|
|
D.assert(_firstChild != null);
|
|
D.assert(_lastChild != null);
|
|
D.assert(_debugUltimatePreviousSiblingOf(after, equals: _firstChild));
|
|
D.assert(_debugUltimateNextSiblingOf(after, equals: _lastChild));
|
|
var afterParentData = (ParentDataType) after.parentData;
|
|
if (afterParentData.nextSibling == null) {
|
|
D.assert(after == _lastChild);
|
|
childParentData.previousSibling = after;
|
|
afterParentData.nextSibling = child;
|
|
_lastChild = child;
|
|
} else {
|
|
childParentData.nextSibling = afterParentData.nextSibling;
|
|
childParentData.previousSibling = after;
|
|
var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
|
|
var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
|
|
childPreviousSiblingParentData.nextSibling = child;
|
|
childNextSiblingParentData.previousSibling = child;
|
|
D.assert(afterParentData.nextSibling == child);
|
|
}
|
|
}
|
|
}
|
|
|
|
public virtual void insert(ChildType child, ChildType after = null) {
|
|
D.assert(child != this, ()=>"A RenderObject cannot be inserted into itself.");
|
|
D.assert(after != this,
|
|
()=>"A RenderObject cannot simultaneously be both the parent and the sibling of another RenderObject.");
|
|
D.assert(child != after, ()=>"A RenderObject cannot be inserted after itself.");
|
|
D.assert(child != _firstChild);
|
|
D.assert(child != _lastChild);
|
|
adoptChild(child);
|
|
_insertIntoChildList(child, after);
|
|
}
|
|
|
|
public virtual void add(ChildType child) {
|
|
insert(child, _lastChild);
|
|
}
|
|
|
|
public virtual void addAll(List<ChildType> children) {
|
|
if (children != null) {
|
|
children.ForEach(add);
|
|
}
|
|
}
|
|
|
|
public void _removeFromChildList(ChildType child) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
D.assert(_debugUltimatePreviousSiblingOf(child, equals: _firstChild));
|
|
D.assert(_debugUltimateNextSiblingOf(child, equals: _lastChild));
|
|
D.assert(_childCount >= 0);
|
|
|
|
if (childParentData.previousSibling == null) {
|
|
D.assert(_firstChild == child);
|
|
_firstChild = childParentData.nextSibling;
|
|
} else {
|
|
var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
|
|
childPreviousSiblingParentData.nextSibling = childParentData.nextSibling;
|
|
}
|
|
|
|
if (childParentData.nextSibling == null) {
|
|
D.assert(_lastChild == child);
|
|
_lastChild = childParentData.previousSibling;
|
|
} else {
|
|
var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
|
|
childNextSiblingParentData.previousSibling = childParentData.previousSibling;
|
|
}
|
|
|
|
childParentData.previousSibling = null;
|
|
childParentData.nextSibling = null;
|
|
_childCount--;
|
|
}
|
|
|
|
public virtual void remove(ChildType child) {
|
|
_removeFromChildList(child);
|
|
dropChild(child);
|
|
}
|
|
|
|
public virtual void removeAll() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
var next = childParentData.nextSibling;
|
|
childParentData.previousSibling = null;
|
|
childParentData.nextSibling = null;
|
|
dropChild(child);
|
|
child = next;
|
|
}
|
|
|
|
_firstChild = null;
|
|
_lastChild = null;
|
|
_childCount = 0;
|
|
}
|
|
|
|
public void move(ChildType child, ChildType after = null) {
|
|
D.assert(child != this);
|
|
D.assert(after != this);
|
|
D.assert(child != after);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
if (childParentData.previousSibling == after) {
|
|
return;
|
|
}
|
|
|
|
_removeFromChildList(child);
|
|
_insertIntoChildList(child, after);
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public override void attach(object owner) {
|
|
base.attach(owner);
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.attach(owner);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void detach() {
|
|
base.detach();
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.detach();
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void redepthChildren() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
redepthChild(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void visitChildren(RenderObjectVisitor visitor) {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
visitor(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public ChildType firstChild {
|
|
get { return _firstChild; }
|
|
}
|
|
|
|
public ChildType lastChild {
|
|
get { return _lastChild; }
|
|
}
|
|
|
|
public ChildType childBefore(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.previousSibling;
|
|
}
|
|
|
|
public ChildType childAfter(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.nextSibling;
|
|
}
|
|
|
|
public override List<DiagnosticsNode> debugDescribeChildren() {
|
|
var children = new List<DiagnosticsNode>();
|
|
if (firstChild != null) {
|
|
ChildType child = firstChild;
|
|
int count = 1;
|
|
while (true) {
|
|
children.Add(child.toDiagnosticsNode(name: "child " + count));
|
|
if (child == lastChild) {
|
|
break;
|
|
}
|
|
|
|
count += 1;
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
return children;
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.insert(RenderObject child, RenderObject after) {
|
|
insert((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.remove(RenderObject child) {
|
|
remove((ChildType) child);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.move(RenderObject child, RenderObject after) {
|
|
move((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.firstChild {
|
|
get { return firstChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.lastChild {
|
|
get { return lastChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childBefore(RenderObject child) {
|
|
return childBefore((ChildType) child);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childAfter(RenderObject child) {
|
|
return childAfter((ChildType) child);
|
|
}
|
|
}
|
|
|
|
|
|
public abstract class ContainerRenderObjectMixinRenderProxyBoxMixinRenderObjectWithChildMixinRenderBoxRenderStack<ChildType, ParentDataType> : RenderProxyBoxMixinRenderObjectWithChildMixinRenderBoxRenderStack, ContainerRenderObjectMixin
|
|
where ChildType : RenderObject
|
|
where ParentDataType : ParentData, ContainerParentDataMixin<ChildType> {
|
|
|
|
bool _debugUltimatePreviousSiblingOf(ChildType child, ChildType equals = null) {
|
|
ParentDataType childParentData = (ParentDataType) child.parentData;
|
|
while (childParentData.previousSibling != null) {
|
|
D.assert(childParentData.previousSibling != child);
|
|
child = childParentData.previousSibling;
|
|
childParentData = (ParentDataType) child.parentData;
|
|
}
|
|
|
|
return child == equals;
|
|
}
|
|
|
|
bool _debugUltimateNextSiblingOf(ChildType child, ChildType equals = null) {
|
|
ParentDataType childParentData = (ParentDataType) child.parentData;
|
|
while (childParentData.nextSibling != null) {
|
|
D.assert(childParentData.nextSibling != child);
|
|
child = childParentData.nextSibling;
|
|
childParentData = (ParentDataType) child.parentData;
|
|
}
|
|
|
|
return child == equals;
|
|
}
|
|
|
|
int _childCount = 0;
|
|
|
|
public int childCount {
|
|
get { return _childCount; }
|
|
}
|
|
|
|
public override bool debugValidateChild(RenderObject child) {
|
|
D.assert(() => {
|
|
if (!(child is ChildType)) {
|
|
throw new UIWidgetsError(
|
|
"A " + GetType() + " expected a child of type " + typeof(ChildType) + " but received a " +
|
|
"child of type " + child.GetType() + ".\n" +
|
|
"RenderObjects expect specific types of children because they " +
|
|
"coordinate with their children during layout and paint. For " +
|
|
"example, a RenderSliver cannot be the child of a RenderBox because " +
|
|
"a RenderSliver does not understand the RenderBox layout protocol.\n" +
|
|
"\n" +
|
|
"The " + GetType() + " that expected a " + typeof(ChildType) + " child was created by:\n" +
|
|
" " + debugCreator + "\n" +
|
|
"\n" +
|
|
"The " + child.GetType() + " that did not match the expected child type " +
|
|
"was created by:\n" +
|
|
" " + child.debugCreator + "\n"
|
|
);
|
|
}
|
|
|
|
return true;
|
|
});
|
|
return true;
|
|
}
|
|
|
|
ChildType _firstChild;
|
|
|
|
ChildType _lastChild;
|
|
|
|
void _insertIntoChildList(ChildType child, ChildType after = null) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
D.assert(childParentData.nextSibling == null);
|
|
D.assert(childParentData.previousSibling == null);
|
|
|
|
_childCount++;
|
|
D.assert(_childCount > 0);
|
|
|
|
if (after == null) {
|
|
childParentData.nextSibling = _firstChild;
|
|
if (_firstChild != null) {
|
|
var firstChildParentData = (ParentDataType) _firstChild.parentData;
|
|
firstChildParentData.previousSibling = child;
|
|
}
|
|
|
|
_firstChild = child;
|
|
_lastChild = _lastChild ?? child;
|
|
} else {
|
|
D.assert(_firstChild != null);
|
|
D.assert(_lastChild != null);
|
|
D.assert(_debugUltimatePreviousSiblingOf(after, equals: _firstChild));
|
|
D.assert(_debugUltimateNextSiblingOf(after, equals: _lastChild));
|
|
var afterParentData = (ParentDataType) after.parentData;
|
|
if (afterParentData.nextSibling == null) {
|
|
D.assert(after == _lastChild);
|
|
childParentData.previousSibling = after;
|
|
afterParentData.nextSibling = child;
|
|
_lastChild = child;
|
|
} else {
|
|
childParentData.nextSibling = afterParentData.nextSibling;
|
|
childParentData.previousSibling = after;
|
|
var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
|
|
var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
|
|
childPreviousSiblingParentData.nextSibling = child;
|
|
childNextSiblingParentData.previousSibling = child;
|
|
D.assert(afterParentData.nextSibling == child);
|
|
}
|
|
}
|
|
}
|
|
|
|
public virtual void insert(ChildType child, ChildType after = null) {
|
|
D.assert(child != this, ()=>"A RenderObject cannot be inserted into itself.");
|
|
D.assert(after != this,
|
|
()=>"A RenderObject cannot simultaneously be both the parent and the sibling of another RenderObject.");
|
|
D.assert(child != after, ()=>"A RenderObject cannot be inserted after itself.");
|
|
D.assert(child != _firstChild);
|
|
D.assert(child != _lastChild);
|
|
adoptChild(child);
|
|
_insertIntoChildList(child, after);
|
|
}
|
|
|
|
public virtual void add(ChildType child) {
|
|
insert(child, _lastChild);
|
|
}
|
|
|
|
public virtual void addAll(List<ChildType> children) {
|
|
if (children != null) {
|
|
children.ForEach(add);
|
|
}
|
|
}
|
|
|
|
public void _removeFromChildList(ChildType child) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
D.assert(_debugUltimatePreviousSiblingOf(child, equals: _firstChild));
|
|
D.assert(_debugUltimateNextSiblingOf(child, equals: _lastChild));
|
|
D.assert(_childCount >= 0);
|
|
|
|
if (childParentData.previousSibling == null) {
|
|
D.assert(_firstChild == child);
|
|
_firstChild = childParentData.nextSibling;
|
|
} else {
|
|
var childPreviousSiblingParentData = (ParentDataType) childParentData.previousSibling.parentData;
|
|
childPreviousSiblingParentData.nextSibling = childParentData.nextSibling;
|
|
}
|
|
|
|
if (childParentData.nextSibling == null) {
|
|
D.assert(_lastChild == child);
|
|
_lastChild = childParentData.previousSibling;
|
|
} else {
|
|
var childNextSiblingParentData = (ParentDataType) childParentData.nextSibling.parentData;
|
|
childNextSiblingParentData.previousSibling = childParentData.previousSibling;
|
|
}
|
|
|
|
childParentData.previousSibling = null;
|
|
childParentData.nextSibling = null;
|
|
_childCount--;
|
|
}
|
|
|
|
public virtual void remove(ChildType child) {
|
|
_removeFromChildList(child);
|
|
dropChild(child);
|
|
}
|
|
|
|
public virtual void removeAll() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
var next = childParentData.nextSibling;
|
|
childParentData.previousSibling = null;
|
|
childParentData.nextSibling = null;
|
|
dropChild(child);
|
|
child = next;
|
|
}
|
|
|
|
_firstChild = null;
|
|
_lastChild = null;
|
|
_childCount = 0;
|
|
}
|
|
|
|
public void move(ChildType child, ChildType after = null) {
|
|
D.assert(child != this);
|
|
D.assert(after != this);
|
|
D.assert(child != after);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
if (childParentData.previousSibling == after) {
|
|
return;
|
|
}
|
|
|
|
_removeFromChildList(child);
|
|
_insertIntoChildList(child, after);
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public override void attach(object owner) {
|
|
base.attach(owner);
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.attach(owner);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void detach() {
|
|
base.detach();
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
child.detach();
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void redepthChildren() {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
redepthChild(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public override void visitChildren(RenderObjectVisitor visitor) {
|
|
ChildType child = _firstChild;
|
|
while (child != null) {
|
|
visitor(child);
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
public ChildType firstChild {
|
|
get { return _firstChild; }
|
|
}
|
|
|
|
public ChildType lastChild {
|
|
get { return _lastChild; }
|
|
}
|
|
|
|
public ChildType childBefore(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.previousSibling;
|
|
}
|
|
|
|
public ChildType childAfter(ChildType child) {
|
|
D.assert(child != null);
|
|
D.assert(child.parent == this);
|
|
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
return childParentData.nextSibling;
|
|
}
|
|
|
|
public override List<DiagnosticsNode> debugDescribeChildren() {
|
|
var children = new List<DiagnosticsNode>();
|
|
if (firstChild != null) {
|
|
ChildType child = firstChild;
|
|
int count = 1;
|
|
while (true) {
|
|
children.Add(child.toDiagnosticsNode(name: "child " + count));
|
|
if (child == lastChild) {
|
|
break;
|
|
}
|
|
|
|
count += 1;
|
|
var childParentData = (ParentDataType) child.parentData;
|
|
child = childParentData.nextSibling;
|
|
}
|
|
}
|
|
|
|
return children;
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.insert(RenderObject child, RenderObject after) {
|
|
insert((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.remove(RenderObject child) {
|
|
remove((ChildType) child);
|
|
}
|
|
|
|
void ContainerRenderObjectMixin.move(RenderObject child, RenderObject after) {
|
|
move((ChildType) child, (ChildType) after);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.firstChild {
|
|
get { return firstChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.lastChild {
|
|
get { return lastChild; }
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childBefore(RenderObject child) {
|
|
return childBefore((ChildType) child);
|
|
}
|
|
|
|
RenderObject ContainerRenderObjectMixin.childAfter(RenderObject child) {
|
|
return childAfter((ChildType) child);
|
|
}
|
|
}
|
|
|
|
|
|
public abstract class RenderConstrainedLayoutBuilderMixinRenderObject<ConstraintType, ChildType> : RenderObjectWithChildMixinRenderObject<ChildType>,
|
|
RenderConstrainedLayoutBuilder<ConstraintType>
|
|
where ConstraintType : Constraints
|
|
where ChildType : RenderObject {
|
|
|
|
public virtual LayoutCallback<ConstraintType> _callback { get; set; }
|
|
public virtual void updateCallback(LayoutCallback<ConstraintType> value) {
|
|
if (value == _callback)
|
|
return;
|
|
_callback = value;
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public virtual void layoutAndBuildChild() {
|
|
D.assert(_callback != null);
|
|
invokeLayoutCallback(_callback);
|
|
}
|
|
}
|
|
|
|
public class RenderConstrainedLayoutBuilderMixinRenderBox<ConstraintType, ChildType> : RenderObjectWithChildMixinRenderBox<ChildType>,
|
|
RenderConstrainedLayoutBuilder<ConstraintType>
|
|
where ConstraintType : BoxConstraints
|
|
where ChildType : RenderBox {
|
|
|
|
public virtual LayoutCallback<ConstraintType> _callback { get; set; }
|
|
public virtual void updateCallback(LayoutCallback<ConstraintType> value) {
|
|
if (value == _callback)
|
|
return;
|
|
_callback = value;
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public virtual void layoutAndBuildChild() {
|
|
D.assert(_callback != null);
|
|
invokeLayoutCallback(_callback);
|
|
}
|
|
}
|
|
|
|
public abstract class RenderConstrainedLayoutBuilderMixinRenderSliver<ConstraintType, ChildType> : RenderObjectWithChildMixinRenderSliver<ChildType>,
|
|
RenderConstrainedLayoutBuilder<ConstraintType>
|
|
where ConstraintType : SliverConstraints
|
|
where ChildType : RenderSliver {
|
|
|
|
public virtual LayoutCallback<ConstraintType> _callback { get; set; }
|
|
public virtual void updateCallback(LayoutCallback<ConstraintType> value) {
|
|
if (value == _callback)
|
|
return;
|
|
_callback = value;
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public virtual void layoutAndBuildChild() {
|
|
D.assert(_callback != null);
|
|
invokeLayoutCallback(_callback);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
public abstract class RelayoutWhenSystemFontsChangeMixinRenderBox : RenderBox, RelayoutWhenSystemFontsChangeMixin {
|
|
|
|
public virtual void systemFontsDidChange() {
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public override void attach(object owner) {
|
|
base.attach(owner);
|
|
PaintingBinding.instance.systemFonts.addListener(systemFontsDidChange);
|
|
}
|
|
|
|
public override void detach() {
|
|
PaintingBinding.instance.systemFonts.removeListener(systemFontsDidChange);
|
|
base.detach();
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public abstract class
|
|
RelayoutWhenSystemFontsChangeMixinRenderBoxContainerDefaultsMixinContainerRenderObjectMixinRenderBox<ChildType, ParentDataType>
|
|
: RenderBoxContainerDefaultsMixinContainerRenderObjectMixinRenderBox<ChildType, ParentDataType>, RelayoutWhenSystemFontsChangeMixin
|
|
|
|
where ChildType : RenderBox
|
|
where ParentDataType : ContainerParentDataMixinBoxParentData<ChildType> {
|
|
|
|
public virtual void systemFontsDidChange() {
|
|
markNeedsLayout();
|
|
}
|
|
|
|
public override void attach(object owner) {
|
|
base.attach(owner);
|
|
PaintingBinding.instance.systemFonts.addListener(systemFontsDidChange);
|
|
}
|
|
|
|
public override void detach() {
|
|
PaintingBinding.instance.systemFonts.removeListener(systemFontsDidChange);
|
|
base.detach();
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|