optionally calculate originFromRoot for ShadowNode and pass to ShadowView#55045
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zeyap wants to merge 1 commit into
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optionally calculate originFromRoot for ShadowNode and pass to ShadowView#55045zeyap wants to merge 1 commit into
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…View Summary: ## Changelog: [General] [Added] - optionally calculate originFromRoot for ShadowNode and pass to ShadowView * If a LayoutableShadowNode calls `layout()` with `LayoutContext.includeOriginFromRoot==true`, all its (recursive) children will calculate `originFromRoot`. This will be needed for shared transition/view transition, where we'll later need to know the absolute position of a shadowNode/shadowView * if includeOriginFromRoot is false, there's no overhead of calculating `originFromRoot_` field * the way originFromRoot is calculated: we first initialize `originFromRoot_` on the LayoutableShadowNode that enables `includeOriginFromRoot` (using `LayoutableShadowNode::computeRelativeLayoutMetrics`, which traverses all the ancestors), then calculate originFromRoot for children in its subtree recursively (`LayoutableShadowNode::computeOriginFromRoot` which only calculates by the difference from immediate parent) Differential Revision: D89573536
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Summary:
Changelog:
[General] [Added] - optionally calculate originFromRoot for ShadowNode and pass to ShadowView
layout()withLayoutContext.includeOriginFromRoot==true, all its (recursive) children will calculateoriginFromRoot. This will be needed for shared transition/view transition, where we'll later need to know the absolute position of a shadowNode/shadowVieworiginFromRoot_fieldoriginFromRoot_on the LayoutableShadowNode that enablesincludeOriginFromRoot(usingLayoutableShadowNode::computeRelativeLayoutMetrics, which traverses all the ancestors), then calculate originFromRoot for children in its subtree recursively (LayoutableShadowNode::computeOriginFromRootwhich only calculates by the difference from immediate parent)Differential Revision: D89573536