| 1 | import type { LayoutObject } from './LayoutObject';
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| 2 | import { LayoutRegistry } from './LayoutRegistry';
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| 3 | import type { IntrinsicSizes, LayoutConstraints } from './types';
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| 4 | import { LayoutContextFactory } from './LayoutContext';
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| 5 | import { LayoutEdgesFactory } from './LayoutEdges';
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| 6 | import type { LayoutWorkTask } from './LayoutWorkTask';
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| 7 | import type { LayoutFragmentOptions } from './LayoutFragment';
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| 8 | export declare class LayoutEngine {
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| 9 | protected readonly _layoutRegistry: LayoutRegistry;
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| 10 | protected readonly _layoutContextFactory: LayoutContextFactory;
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| 11 | protected readonly _layoutEdgesFactory: LayoutEdgesFactory;
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| 12 | protected layoutRegistry: LayoutRegistry;
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| 13 | protected layoutContextFactory: LayoutContextFactory;
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| 14 | protected layoutEdgesFactory: LayoutEdgesFactory;
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| 15 | constructor(_layoutRegistry: LayoutRegistry, _layoutContextFactory: LayoutContextFactory, _layoutEdgesFactory: LayoutEdgesFactory);
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| 16 | /**
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| 17 | * This function takes the root of the box-tree, a LayoutConstraints object, and compute the position of every node in the tree
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| 18 | * @param rootNode root node of the layout object tree
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| 19 | * @param rootPageConstraints layout constraints
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| 20 | * @returns
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| 21 | */
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| 22 | computeLayout(rootNode: LayoutObject, rootPageConstraints: LayoutConstraints): Promise<void>;
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| 23 | /**
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| 24 | * calculate intrinsicSize of node tree, use depth dirst / post order traversal
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| 25 | * @param rootNode
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| 26 | */
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| 27 | determineAllIntrinsicSizes(rootNode: LayoutObject): Promise<void>;
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| 28 | protected getLayoutDefinitionName(node: LayoutObject): any;
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| 29 | /**
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| 30 | * calculate the min/max content size of node
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| 31 | * @param node current layout object
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| 32 | * @param childNodes children of the current node
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| 33 | */
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| 34 | protected determineIntrinsicSizes(node: LayoutObject, childNodes: LayoutObject[]): Promise<void>;
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| 35 | protected invokeIntrinsicSizesCallback(layoutName: string, node: LayoutObject, childNodes: LayoutObject[]): Promise<void>;
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| 36 | protected calculateLayout(node: LayoutObject, childNodes: LayoutObject[], layoutConstraints: LayoutConstraints): Promise<void>;
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| 37 | protected invokeLayoutCallback(layoutName: string, node: LayoutObject, childNodes: LayoutObject[], layoutConstraints: LayoutConstraints): Promise<void>;
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| 38 | protected runWorkQueue<T>(promise: Promise<T>, workQueue: LayoutWorkTask[]): Generator<any, T, any>;
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| 39 | protected getNodeIntrisicSizes(node: LayoutObject): IntrinsicSizes;
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| 40 | protected getNodeFragment(node: LayoutObject, constraints: LayoutConstraints): LayoutFragmentOptions;
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| 41 | }
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