From da4c7e7ed675c3bf405668739c3012d140856109 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 15 May 2024 05:34:42 +0200
Subject: Adding upstream version 126.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/components/satchel/FillHelpers.sys.mjs | 48 ++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'toolkit/components/satchel/FillHelpers.sys.mjs')

diff --git a/toolkit/components/satchel/FillHelpers.sys.mjs b/toolkit/components/satchel/FillHelpers.sys.mjs
index 88a248adba..fd335f271e 100644
--- a/toolkit/components/satchel/FillHelpers.sys.mjs
+++ b/toolkit/components/satchel/FillHelpers.sys.mjs
@@ -39,3 +39,51 @@ export function showConfirmation(
   const anchor = browser.ownerDocument.getElementById(anchorId);
   anchor.ownerGlobal.ConfirmationHint.show(anchor, messageId, {});
 }
+
+let fillRequestId = 0;
+
+/**
+ * Send a message encoded in the comment from an autocomplete item
+ * to the parent.
+ *
+ * @param {string} actorName name of the actor to send to
+ * @param {object} autocompleteInput current nsIAutoCompleteInput
+ * @param {string} comment serialized JSON comment containing fillMessageName and
+ *                         fillMessageData to send to the actor
+ */
+export async function sendFillRequestToParent(
+  actorName,
+  autocompleteInput,
+  comment
+) {
+  if (!comment) {
+    return;
+  }
+
+  const { fillMessageName, fillMessageData } = JSON.parse(comment);
+  if (!fillMessageName) {
+    return;
+  }
+
+  fillRequestId++;
+  const currentFillRequestId = fillRequestId;
+  const actor =
+    autocompleteInput.focusedInput.ownerGlobal?.windowGlobalChild?.getActor(
+      actorName
+    );
+  const value = await actor.sendQuery(fillMessageName, fillMessageData ?? {});
+
+  // skip fill if another fill operation started during await
+  if (currentFillRequestId != fillRequestId) {
+    return;
+  }
+
+  if (typeof value !== "string") {
+    return;
+  }
+
+  // If the parent returned a string to fill, we must do it here because
+  // nsAutoCompleteController.cpp already finished it's work before we finished await.
+  autocompleteInput.textValue = value;
+  autocompleteInput.selectTextRange(value.length, value.length);
+}
-- 
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