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authorMoonchild <moonchild@palemoon.org>2020-10-19 19:35:03 +0000
committerMoonchild <moonchild@palemoon.org>2020-10-24 10:37:53 +0000
commitabcee4f85c5320ceab1f16712d26ea059ef67fd9 (patch)
treece40920fb6b04d497aa8864f791a1adb3659c66f /layout
parent67a7e4eabd9b91436cc658431ea1bbd28e480f5b (diff)
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Issue #1671 - Unprefix ::-moz-selection
This actually keeps both pseudo-elements for now, since the prefixed version is still used internally, but we need the unprefixed version for web compat. Note: while unprefixing a non-spec-compliant pseudo here, it's exactly in line with what other browsers do. Nobody is following the spec here and at least we'll be doing what everyone else is with our unprefixed version.
Diffstat (limited to 'layout')
-rw-r--r--layout/generic/nsTextFrame.cpp11
-rw-r--r--layout/inspector/tests/test_getCSSPseudoElementNames.html1
-rw-r--r--layout/style/nsCSSPseudoElementList.h3
3 files changed, 13 insertions, 2 deletions
diff --git a/layout/generic/nsTextFrame.cpp b/layout/generic/nsTextFrame.cpp
index a47b87e38..c7b55961c 100644
--- a/layout/generic/nsTextFrame.cpp
+++ b/layout/generic/nsTextFrame.cpp
@@ -3949,11 +3949,18 @@ nsTextPaintStyle::InitSelectionColorsAndShadow()
if (selectionElement &&
selectionStatus == nsISelectionController::SELECTION_ON) {
RefPtr<nsStyleContext> sc = nullptr;
+ // Probe for both selection and -moz-selection
sc = mPresContext->StyleSet()->
ProbePseudoElementStyle(selectionElement,
- CSSPseudoElementType::mozSelection,
+ CSSPseudoElementType::selection,
mFrame->StyleContext());
- // Use -moz-selection pseudo class.
+ if (!sc) {
+ sc = mPresContext->StyleSet()->
+ ProbePseudoElementStyle(selectionElement,
+ CSSPseudoElementType::mozSelection,
+ mFrame->StyleContext());
+ }
+ // Use selection pseudo class.
if (sc) {
mSelectionBGColor =
sc->GetVisitedDependentColor(eCSSProperty_background_color);
diff --git a/layout/inspector/tests/test_getCSSPseudoElementNames.html b/layout/inspector/tests/test_getCSSPseudoElementNames.html
index cdb4572d4..8879f21dc 100644
--- a/layout/inspector/tests/test_getCSSPseudoElementNames.html
+++ b/layout/inspector/tests/test_getCSSPseudoElementNames.html
@@ -16,6 +16,7 @@
":first-letter",
":first-line",
":placeholder",
+ ":selection",
":-moz-color-swatch",
":-moz-focus-inner",
":-moz-focus-outer",
diff --git a/layout/style/nsCSSPseudoElementList.h b/layout/style/nsCSSPseudoElementList.h
index 552c76734..b8393d395 100644
--- a/layout/style/nsCSSPseudoElementList.h
+++ b/layout/style/nsCSSPseudoElementList.h
@@ -37,6 +37,9 @@ CSS_PSEUDO_ELEMENT(firstLine, ":first-line",
CSS_PSEUDO_ELEMENT_IS_CSS2 |
CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS)
+CSS_PSEUDO_ELEMENT(selection, ":selection",
+ CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS)
+// Keep the prefixed version for now.
CSS_PSEUDO_ELEMENT(mozSelection, ":-moz-selection",
CSS_PSEUDO_ELEMENT_CONTAINS_ELEMENTS)