From cf324d404922b01f19e5fd675874fb4aad7ef593 Mon Sep 17 00:00:00 2001
From: MurakamiShinyu <murakami@vivliostyle.org>
Date: Tue, 2 Mar 2021 18:53:27 +0900
Subject: [PATCH] fix(core): Hang-up with footnote or page float on pseudo
 elements

Fixes #703
---
 packages/core/src/vivliostyle/ops.ts   |  4 +++-
 packages/core/src/vivliostyle/vtree.ts | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/vivliostyle/ops.ts b/packages/core/src/vivliostyle/ops.ts
index 39693b895..8f8aea25e 100644
--- a/packages/core/src/vivliostyle/ops.ts
+++ b/packages/core/src/vivliostyle/ops.ts
@@ -687,6 +687,7 @@ export class StyleInstance
     const pageFloatLayoutContext = column.pageFloatLayoutContext;
     const deferredFloats = pageFloatLayoutContext.getDeferredPageFloatContinuations();
 
+    // Fix for issue #681
     // Prevent deferred page floats from appearing in the preceding pages,
     // e.g., during re-layout the TOC page with target-counter() referencing
     // later sections containing page floats.
@@ -694,7 +695,8 @@ export class StyleInstance
       deferredFloats.length &&
       deferredFloats[0].float.floatReference === "page"
     ) {
-      const deferredFloatNode = deferredFloats[0].nodePosition.steps[0].node;
+      const deferredFloatNode =
+        deferredFloats[0].float.nodePosition.steps[0].node;
       const deferredFloatOffset =
         deferredFloatNode &&
         this.xmldoc.getNodeOffset(deferredFloatNode, 0, false);
diff --git a/packages/core/src/vivliostyle/vtree.ts b/packages/core/src/vivliostyle/vtree.ts
index 7d6e22f30..62ef44ff6 100644
--- a/packages/core/src/vivliostyle/vtree.ts
+++ b/packages/core/src/vivliostyle/vtree.ts
@@ -30,6 +30,7 @@ import * as GeometryUtil from "./geometry-util";
 import * as TaskUtil from "./task-util";
 import { assert } from "./asserts";
 import { PageFloats, Selectors, Vtree, XmlDoc } from "./types";
+import { PseudoelementStyler } from "./pseudo-element";
 
 export const delayedProps = {
   transform: true,
@@ -756,6 +757,17 @@ export class NodeContext implements Vtree.NodeContext {
   toNodePosition(): NodePosition {
     let nc: NodeContext = this;
     const steps = [];
+
+    // Fix for issue #703
+    if (
+      nc.shadowType === Vtree.ShadowType.ROOTLESS &&
+      (nc.floatReference !== PageFloats.FloatReference.INLINE ||
+        nc.floatSide === "footnote") &&
+      nc.shadowContext.styler instanceof PseudoelementStyler
+    ) {
+      nc = nc.parent;
+    }
+
     do {
       // We need fully "peeled" path, so don't record first-XXX pseudoelement
       // containers