From c1ef9546792e8d5881c9516d8e51de3cd6999f79 Mon Sep 17 00:00:00 2001
From: athenian200 <athenian200@outlook.com>
Date: Tue, 29 Sep 2020 11:31:46 -0500
Subject: Issue #1668 - Part 1: Implement support for caret-color property.

This CSS property allows input carets (that blinking input cursor you see in text fields), to be given a custom color. This was implemented in Firefox 53, and it was such a minor feature that no one ever missed it, but I don't see any harm in implementing this.

https://bugzilla.mozilla.org/show_bug.cgi?id=1063162
---
 layout/style/StyleAnimationValue.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'layout/style/StyleAnimationValue.cpp')

diff --git a/layout/style/StyleAnimationValue.cpp b/layout/style/StyleAnimationValue.cpp
index a0f52b4ea..d931961d4 100644
--- a/layout/style/StyleAnimationValue.cpp
+++ b/layout/style/StyleAnimationValue.cpp
@@ -4469,8 +4469,12 @@ StyleAnimationValue::ExtractComputedValue(nsCSSPropertyID aProperty,
         StyleDataAtOffset<nscolor>(styleStruct, ssOffset));
       return true;
     case eStyleAnimType_ComplexColor: {
-      aComputedValue.SetComplexColorValue(
-        StyleDataAtOffset<StyleComplexColor>(styleStruct, ssOffset));
+      auto& color = StyleDataAtOffset<StyleComplexColor>(styleStruct, ssOffset);
+      if (color.mIsAuto) {
+        aComputedValue.SetAutoValue();
+      } else {
+        aComputedValue.SetComplexColorValue(color);
+      }
       return true;
     }
     case eStyleAnimType_PaintServer: {
@@ -4783,7 +4787,9 @@ StyleAnimationValue::SetCurrentColorValue()
 void
 StyleAnimationValue::SetComplexColorValue(const StyleComplexColor& aColor)
 {
-  if (aColor.IsCurrentColor()) {
+  if (aColor.mIsAuto) {
+    SetAutoValue();
+  } else if (aColor.IsCurrentColor()) {
     SetCurrentColorValue();
   } else if (aColor.IsNumericColor()) {
     SetColorValue(aColor.mColor);
-- 
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