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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/281229">281229</a></dd>
<dt>Author</dt> <dd>ntim@apple.com</dd>
<dt>Date</dt> <dd>2021-08-19 02:02:02 -0700 (Thu, 19 Aug 2021)</dd>
</dl>
<h3>Log Message</h3>
<pre>Implement ::backdrop pseudo element
https://bugs.webkit.org/show_bug.cgi?id=227801
Reviewed by Antti Koivisto.
This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
Some imported blink tests now start passing, some still need proper top layer support.
LayoutTests/imported/w3c:
* web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt:
Source/JavaScriptCore:
* inspector/protocol/CSS.json:
Source/WebCore:
* css/CSSSelector.cpp:
(WebCore::CSSSelector::pseudoId):
* css/CSSSelector.h:
* css/SelectorPseudoElementTypeMap.in:
* css/dialog.css:
(dialog::backdrop):
(::backdrop):
* inspector/agents/InspectorCSSAgent.cpp:
(WebCore::protocolValueForPseudoId):
* rendering/RenderElement.cpp:
(WebCore::RenderElement::backdropRenderer const):
(WebCore::RenderElement::setBackdropRenderer):
* rendering/RenderElement.h:
* rendering/RenderObject.h:
* rendering/style/RenderStyleConstants.cpp:
(WebCore::operator<<):
* rendering/style/RenderStyleConstants.h:
* rendering/updating/RenderTreeBuilder.cpp:
(WebCore::RenderTreeBuilder::destroyAndCleanUpAnonymousWrappers):
* rendering/updating/RenderTreeUpdater.cpp:
(WebCore::RenderTreeUpdater::updateAfterDescendants):
* rendering/updating/RenderTreeUpdaterGeneratedContent.cpp:
(WebCore::RenderTreeUpdater::GeneratedContent::updateBackdropRenderer):
* rendering/updating/RenderTreeUpdaterGeneratedContent.h:
* style/StyleTreeResolver.cpp:
(WebCore::Style::TreeResolver::resolvePseudoStyle):
Source/WebInspectorUI:
* UserInterface/Controllers/CSSManager.js:
(WI.CSSManager.displayNameForPseudoId):
LayoutTests:
* TestExpectations:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsTestExpectations">trunk/LayoutTests/TestExpectations</a></li>
<li><a href="#trunkLayoutTestsimportedw3cChangeLog">trunk/LayoutTests/imported/w3c/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsimportedw3cwebplatformtestscsscssvalueschemptypseudorecalconfontloadexpectedtxt">trunk/LayoutTests/imported/w3c/web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt</a></li>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreinspectorprotocolCSSjson">trunk/Source/JavaScriptCore/inspector/protocol/CSS.json</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorecssCSSSelectorcpp">trunk/Source/WebCore/css/CSSSelector.cpp</a></li>
<li><a href="#trunkSourceWebCorecssCSSSelectorh">trunk/Source/WebCore/css/CSSSelector.h</a></li>
<li><a href="#trunkSourceWebCorecssSelectorPseudoElementTypeMapin">trunk/Source/WebCore/css/SelectorPseudoElementTypeMap.in</a></li>
<li><a href="#trunkSourceWebCorecssdialogcss">trunk/Source/WebCore/css/dialog.css</a></li>
<li><a href="#trunkSourceWebCoreinspectoragentsInspectorCSSAgentcpp">trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderElementcpp">trunk/Source/WebCore/rendering/RenderElement.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderElementh">trunk/Source/WebCore/rendering/RenderElement.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderObjecth">trunk/Source/WebCore/rendering/RenderObject.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleRenderStyleConstantscpp">trunk/Source/WebCore/rendering/style/RenderStyleConstants.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleRenderStyleConstantsh">trunk/Source/WebCore/rendering/style/RenderStyleConstants.h</a></li>
<li><a href="#trunkSourceWebCorerenderingupdatingRenderTreeBuildercpp">trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingupdatingRenderTreeUpdatercpp">trunk/Source/WebCore/rendering/updating/RenderTreeUpdater.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingupdatingRenderTreeUpdaterGeneratedContentcpp">trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingupdatingRenderTreeUpdaterGeneratedContenth">trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.h</a></li>
<li><a href="#trunkSourceWebCorestyleStyleTreeResolvercpp">trunk/Source/WebCore/style/StyleTreeResolver.cpp</a></li>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceControllersCSSManagerjs">trunk/Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/LayoutTests/ChangeLog 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2021-08-19 Tim Nguyen <ntim@apple.com>
+
+ Implement ::backdrop pseudo element
+ https://bugs.webkit.org/show_bug.cgi?id=227801
+
+ Reviewed by Antti Koivisto.
+
+ This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
+ Some imported blink tests now start passing, some still need proper top layer support.
+
+ * TestExpectations:
+
</ins><span class="cx"> 2021-08-19 Fujii Hironori <Hironori.Fujii@sony.com>
</span><span class="cx">
</span><span class="cx"> [WinCairo] Unreviewed test gardening
</span></span></pre></div>
<a id="trunkLayoutTestsTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/TestExpectations (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/TestExpectations 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/LayoutTests/TestExpectations 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -2373,17 +2373,10 @@
</span><span class="cx"> imported/blink/fast/multicol/outlines-at-column-boundaries.html [ ImageOnlyFailure ]
</span><span class="cx"> fast/multicol/multicol-with-child-renderLayer-for-input.html [ ImageOnlyFailure ]
</span><span class="cx">
</span><del>-# ::backdrop
-webkit.org/b/227801 imported/blink/dialog/backdrop-descendant-selector.html [ ImageOnlyFailure ]
-webkit.org/b/227801 imported/blink/dialog/backdrop-does-not-inherit.html [ ImageOnlyFailure ]
-webkit.org/b/227801 imported/blink/dialog/backdrop-dynamic-style-change.html [ ImageOnlyFailure ]
-webkit.org/b/227801 imported/blink/dialog/backdrop-in-flow.html [ ImageOnlyFailure ]
-webkit.org/b/227801 imported/blink/dialog/backdrop-stacking-order.html [ ImageOnlyFailure ]
-
</del><span class="cx"> # Top layer tests
</span><ins>+webkit.org/b/84796 imported/blink/dialog/backdrop-in-flow.html [ ImageOnlyFailure ]
+webkit.org/b/84796 imported/blink/dialog/backdrop-stacking-order.html [ ImageOnlyFailure ]
</ins><span class="cx"> webkit.org/b/84796 imported/blink/dialog/dont-share-style-to-top-layer.html [ ImageOnlyFailure ]
</span><del>-webkit.org/b/84796 imported/blink/dialog/modal-dialog-backdrop.html [ ImageOnlyFailure ]
-webkit.org/b/84796 imported/blink/dialog/modal-dialog-generated-content.html [ ImageOnlyFailure ]
</del><span class="cx"> webkit.org/b/84796 imported/blink/dialog/modal-dialog-in-replaced-renderer.html [ ImageOnlyFailure ]
</span><span class="cx"> webkit.org/b/84796 imported/blink/dialog/modal-dialog-in-table-column.html [ ImageOnlyFailure ]
</span><span class="cx"> webkit.org/b/84796 imported/blink/dialog/removed-element-is-removed-from-top-layer.html [ ImageOnlyFailure ]
</span></span></pre></div>
<a id="trunkLayoutTestsimportedw3cChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/ChangeLog (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/ChangeLog 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/LayoutTests/imported/w3c/ChangeLog 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2021-08-19 Tim Nguyen <ntim@apple.com>
+
+ Implement ::backdrop pseudo element
+ https://bugs.webkit.org/show_bug.cgi?id=227801
+
+ Reviewed by Antti Koivisto.
+
+ This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
+ Some imported blink tests now start passing, some still need proper top layer support.
+
+ * web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt:
+
</ins><span class="cx"> 2021-08-19 Youenn Fablet <youenn@apple.com>
</span><span class="cx">
</span><span class="cx"> Add support for RTCDtlsTransport
</span></span></pre></div>
<a id="trunkLayoutTestsimportedw3cwebplatformtestscsscssvalueschemptypseudorecalconfontloadexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/css/css-values/ch-empty-pseudo-recalc-on-font-load-expected.txt 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,5 +1,5 @@
</span><span class="cx">
</span><del>-FAIL ch in pseudo-element ::before should be recalculated after loading a web font assert_less_than: expected a number less than 24 but got NaN
-FAIL ch in pseudo-element ::after should be recalculated after loading a web font assert_less_than: expected a number less than 24 but got NaN
-FAIL ch in pseudo-element ::backdrop should be recalculated after loading a web font assert_less_than: expected a number less than 24 but got NaN
</del><ins>+PASS ch in pseudo-element ::before should be recalculated after loading a web font
+PASS ch in pseudo-element ::after should be recalculated after loading a web font
+PASS ch in pseudo-element ::backdrop should be recalculated after loading a web font
</ins><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/JavaScriptCore/ChangeLog 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2021-08-19 Tim Nguyen <ntim@apple.com>
+
+ Implement ::backdrop pseudo element
+ https://bugs.webkit.org/show_bug.cgi?id=227801
+
+ Reviewed by Antti Koivisto.
+
+ This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
+ Some imported blink tests now start passing, some still need proper top layer support.
+
+ * inspector/protocol/CSS.json:
+
</ins><span class="cx"> 2021-08-18 Yusuke Suzuki <ysuzuki@apple.com>
</span><span class="cx">
</span><span class="cx"> [JSC] Remove op_has_indexed_property related code
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreinspectorprotocolCSSjson"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/inspector/protocol/CSS.json (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/inspector/protocol/CSS.json 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/JavaScriptCore/inspector/protocol/CSS.json 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -43,6 +43,7 @@
</span><span class="cx"> "before",
</span><span class="cx"> "after",
</span><span class="cx"> "selection",
</span><ins>+ "backdrop",
</ins><span class="cx"> "scrollbar",
</span><span class="cx"> "scrollbar-thumb",
</span><span class="cx"> "scrollbar-button",
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/ChangeLog 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,3 +1,40 @@
</span><ins>+2021-08-19 Tim Nguyen <ntim@apple.com>
+
+ Implement ::backdrop pseudo element
+ https://bugs.webkit.org/show_bug.cgi?id=227801
+
+ Reviewed by Antti Koivisto.
+
+ This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
+ Some imported blink tests now start passing, some still need proper top layer support.
+
+ * css/CSSSelector.cpp:
+ (WebCore::CSSSelector::pseudoId):
+ * css/CSSSelector.h:
+ * css/SelectorPseudoElementTypeMap.in:
+ * css/dialog.css:
+ (dialog::backdrop):
+ (::backdrop):
+ * inspector/agents/InspectorCSSAgent.cpp:
+ (WebCore::protocolValueForPseudoId):
+ * rendering/RenderElement.cpp:
+ (WebCore::RenderElement::backdropRenderer const):
+ (WebCore::RenderElement::setBackdropRenderer):
+ * rendering/RenderElement.h:
+ * rendering/RenderObject.h:
+ * rendering/style/RenderStyleConstants.cpp:
+ (WebCore::operator<<):
+ * rendering/style/RenderStyleConstants.h:
+ * rendering/updating/RenderTreeBuilder.cpp:
+ (WebCore::RenderTreeBuilder::destroyAndCleanUpAnonymousWrappers):
+ * rendering/updating/RenderTreeUpdater.cpp:
+ (WebCore::RenderTreeUpdater::updateAfterDescendants):
+ * rendering/updating/RenderTreeUpdaterGeneratedContent.cpp:
+ (WebCore::RenderTreeUpdater::GeneratedContent::updateBackdropRenderer):
+ * rendering/updating/RenderTreeUpdaterGeneratedContent.h:
+ * style/StyleTreeResolver.cpp:
+ (WebCore::Style::TreeResolver::resolvePseudoStyle):
+
</ins><span class="cx"> 2021-08-19 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> document.hasFocus() returns true for unfocused pages
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSSelectorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSSelector.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSSelector.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/css/CSSSelector.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -232,6 +232,8 @@
</span><span class="cx"> return PseudoId::Highlight;
</span><span class="cx"> case PseudoElementMarker:
</span><span class="cx"> return PseudoId::Marker;
</span><ins>+ case PseudoElementBackdrop:
+ return PseudoId::Backdrop;
</ins><span class="cx"> case PseudoElementBefore:
</span><span class="cx"> return PseudoId::Before;
</span><span class="cx"> case PseudoElementAfter:
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSSelectorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSSelector.h (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSSelector.h 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/css/CSSSelector.h 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -180,6 +180,7 @@
</span><span class="cx"> enum PseudoElementType {
</span><span class="cx"> PseudoElementUnknown = 0,
</span><span class="cx"> PseudoElementAfter,
</span><ins>+ PseudoElementBackdrop,
</ins><span class="cx"> PseudoElementBefore,
</span><span class="cx"> #if ENABLE(VIDEO)
</span><span class="cx"> PseudoElementCue,
</span></span></pre></div>
<a id="trunkSourceWebCorecssSelectorPseudoElementTypeMapin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/SelectorPseudoElementTypeMap.in (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/SelectorPseudoElementTypeMap.in 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/css/SelectorPseudoElementTypeMap.in 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,4 +1,5 @@
</span><span class="cx"> after
</span><ins>+backdrop
</ins><span class="cx"> before
</span><span class="cx"> #if ENABLE(VIDEO)
</span><span class="cx"> cue
</span></span></pre></div>
<a id="trunkSourceWebCorecssdialogcss"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/dialog.css (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/dialog.css 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/css/dialog.css 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -24,3 +24,16 @@
</span><span class="cx"> max-width: calc(100% - 6px - 2em);
</span><span class="cx"> max-height: calc(100% - 6px - 2em);
</span><span class="cx"> }
</span><ins>+
+dialog::backdrop {
+ background: rgba(0, 0, 0, 0.1);
+}
+
+::backdrop {
+ display: block;
+ position: fixed;
+ top: 0;
+ left: 0;
+ right: 0;
+ bottom: 0;
+}
</ins></span></pre></div>
<a id="trunkSourceWebCoreinspectoragentsInspectorCSSAgentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -449,6 +449,8 @@
</span><span class="cx"> return Protocol::CSS::PseudoId::FirstLetter;
</span><span class="cx"> case PseudoId::Marker:
</span><span class="cx"> return Protocol::CSS::PseudoId::Marker;
</span><ins>+ case PseudoId::Backdrop:
+ return Protocol::CSS::PseudoId::Backdrop;
</ins><span class="cx"> case PseudoId::Before:
</span><span class="cx"> return Protocol::CSS::PseudoId::Before;
</span><span class="cx"> case PseudoId::After:
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderElement.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderElement.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/RenderElement.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -2375,4 +2375,14 @@
</span><span class="cx"> return result;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+WeakPtr<RenderBlockFlow> RenderElement::backdropRenderer() const
+{
+ return hasRareData() ? rareData().backdropRenderer : nullptr;
</ins><span class="cx"> }
</span><ins>+
+void RenderElement::setBackdropRenderer(RenderBlockFlow& renderer)
+{
+ ensureRareData().backdropRenderer = makeWeakPtr(renderer);
+}
+
+}
</ins></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderElement.h (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderElement.h 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/RenderElement.h 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -257,6 +257,9 @@
</span><span class="cx"> virtual void suspendAnimations(MonotonicTime = MonotonicTime()) { }
</span><span class="cx"> std::unique_ptr<RenderStyle> animatedStyle();
</span><span class="cx">
</span><ins>+ WeakPtr<RenderBlockFlow> backdropRenderer() const;
+ void setBackdropRenderer(RenderBlockFlow&);
+
</ins><span class="cx"> protected:
</span><span class="cx"> enum BaseTypeFlag {
</span><span class="cx"> RenderLayerModelObjectFlag = 1 << 0,
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderObjecth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderObject.h (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderObject.h 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/RenderObject.h 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -59,6 +59,7 @@
</span><span class="cx"> class RenderBoxModelObject;
</span><span class="cx"> class RenderInline;
</span><span class="cx"> class RenderBlock;
</span><ins>+class RenderBlockFlow;
</ins><span class="cx"> class RenderElement;
</span><span class="cx"> class RenderFragmentedFlow;
</span><span class="cx"> class RenderGeometryMap;
</span><span class="lines">@@ -938,6 +939,7 @@
</span><span class="cx">
</span><span class="cx"> // From RenderElement
</span><span class="cx"> std::unique_ptr<RenderStyle> cachedFirstLineStyle;
</span><ins>+ WeakPtr<RenderBlockFlow> backdropRenderer;
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> const RenderObject::RenderObjectRareData& rareData() const;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleRenderStyleConstantscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/RenderStyleConstants.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/RenderStyleConstants.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/style/RenderStyleConstants.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -887,6 +887,7 @@
</span><span class="cx"> case PseudoId::FirstLetter: ts << "first-letter"; break;
</span><span class="cx"> case PseudoId::Highlight: ts << "highlight"; break;
</span><span class="cx"> case PseudoId::Marker: ts << "marker"; break;
</span><ins>+ case PseudoId::Backdrop: ts << "backdrop"; break;
</ins><span class="cx"> case PseudoId::Before: ts << "before"; break;
</span><span class="cx"> case PseudoId::After: ts << "after"; break;
</span><span class="cx"> case PseudoId::Selection: ts << "selection"; break;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleRenderStyleConstantsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/RenderStyleConstants.h (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/RenderStyleConstants.h 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/style/RenderStyleConstants.h 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -95,6 +95,7 @@
</span><span class="cx"> Before,
</span><span class="cx"> After,
</span><span class="cx"> Selection,
</span><ins>+ Backdrop,
</ins><span class="cx"> Scrollbar,
</span><span class="cx">
</span><span class="cx"> // Internal:
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingupdatingRenderTreeBuildercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -807,6 +807,12 @@
</span><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ // Also destroy ::backdrop along with element if there is one
+ if (is<RenderElement>(rendererToDestroy)) {
+ if (auto backdropRenderer = downcast<RenderElement>(rendererToDestroy).backdropRenderer())
+ destroy(*backdropRenderer);
+ }
+
</ins><span class="cx"> auto isAnonymousAndSafeToDelete = [] (const auto& renderer) {
</span><span class="cx"> return renderer.isAnonymous() && !renderer.isRenderView() && !renderer.isRenderFragmentedFlow();
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingupdatingRenderTreeUpdatercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/updating/RenderTreeUpdater.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/updating/RenderTreeUpdater.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeUpdater.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -266,6 +266,7 @@
</span><span class="cx"> if (!renderer)
</span><span class="cx"> return;
</span><span class="cx">
</span><ins>+ generatedContent().updateBackdropRenderer(*renderer);
</ins><span class="cx"> m_builder.updateAfterDescendants(*renderer);
</span><span class="cx">
</span><span class="cx"> if (element.hasCustomStyleResolveCallbacks() && updates && updates->update.change == Style::Change::Renderer)
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingupdatingRenderTreeUpdaterGeneratedContentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -172,6 +172,45 @@
</span><span class="cx"> m_updater.m_builder.updateAfterDescendants(*pseudoElementRenderer);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void RenderTreeUpdater::GeneratedContent::updateBackdropRenderer(RenderElement& renderer)
+{
+ // ::backdrop does not inherit style, hence using the view style as parent style
+ auto style = renderer.getCachedPseudoStyle(PseudoId::Backdrop, &renderer.view().style());
+
+ // Destroy ::backdrop if new element no longer is in top layer, or if it is hidden
+ if ((renderer.element() && !renderer.element()->isInTopLayer()) || !style || style->display() == DisplayType::None) {
+ if (WeakPtr backdropRenderer = renderer.backdropRenderer())
+ m_updater.m_builder.destroy(*backdropRenderer);
+ return;
+ }
+
+ auto newStyle = RenderStyle::clone(*style);
+ RenderPtr<RenderBlockFlow> newBackdropRenderer;
+ auto backdropRenderer = renderer.backdropRenderer();
+ if (backdropRenderer)
+ backdropRenderer->setStyle(WTFMove(newStyle));
+ else {
+ newBackdropRenderer = WebCore::createRenderer<RenderBlockFlow>(renderer.document(), WTFMove(newStyle));
+ newBackdropRenderer->initializeStyle();
+ backdropRenderer = makeWeakPtr(newBackdropRenderer.get());
+ renderer.setBackdropRenderer(*backdropRenderer);
+ }
+
+ // Update or attach to renderer parent
+ auto currentParent = makeWeakPtr(backdropRenderer->parent());
+ auto newParent = makeWeakPtr(renderer.parent());
+
+ ASSERT(newParent, "Should have new parent");
+
+ if (newParent == currentParent)
+ return;
+
+ if (currentParent)
+ m_updater.m_builder.attach(*newParent, m_updater.m_builder.detach(*currentParent, *backdropRenderer, RenderTreeBuilder::CanCollapseAnonymousBlock::No), &renderer);
+ else
+ m_updater.m_builder.attach(*newParent, WTFMove(newBackdropRenderer), &renderer);
+}
+
</ins><span class="cx"> bool RenderTreeUpdater::GeneratedContent::needsPseudoElement(const Style::ElementUpdate* update)
</span><span class="cx"> {
</span><span class="cx"> if (!update)
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingupdatingRenderTreeUpdaterGeneratedContenth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.h (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.h 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeUpdaterGeneratedContent.h 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -38,6 +38,7 @@
</span><span class="cx"> public:
</span><span class="cx"> GeneratedContent(RenderTreeUpdater&);
</span><span class="cx">
</span><ins>+ void updateBackdropRenderer(RenderElement&);
</ins><span class="cx"> void updatePseudoElement(Element&, const Style::ElementUpdates&, PseudoId);
</span><span class="cx"> void updateRemainingQuotes();
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCorestyleStyleTreeResolvercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/style/StyleTreeResolver.cpp (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/style/StyleTreeResolver.cpp 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebCore/style/StyleTreeResolver.cpp 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -275,6 +275,8 @@
</span><span class="cx">
</span><span class="cx"> std::optional<ElementUpdate> TreeResolver::resolvePseudoStyle(Element& element, const ElementUpdate& elementUpdate, PseudoId pseudoId)
</span><span class="cx"> {
</span><ins>+ ASSERT(pseudoId != PseudoId::Backdrop, "This method does not handle ::backdrop currently");
+
</ins><span class="cx"> if (pseudoId == PseudoId::Marker && elementUpdate.style->display() != DisplayType::ListItem)
</span><span class="cx"> return { };
</span><span class="cx"> if (elementUpdate.style->display() == DisplayType::None)
</span><span class="lines">@@ -281,10 +283,10 @@
</span><span class="cx"> return { };
</span><span class="cx"> if (!elementUpdate.style->hasPseudoStyle(pseudoId))
</span><span class="cx"> return { };
</span><del>-
</del><ins>+
</ins><span class="cx"> auto& parentStyle = *elementUpdate.style;
</span><span class="cx"> auto* parentBoxStyle = parentBoxStyleForPseudo(elementUpdate);
</span><del>-
</del><ins>+
</ins><span class="cx"> auto pseudoStyle = scope().resolver->pseudoStyleForElement(element, { pseudoId }, parentStyle, parentBoxStyle, &scope().selectorFilter);
</span><span class="cx"> if (!pseudoStyle)
</span><span class="cx"> return { };
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebInspectorUI/ChangeLog 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2021-08-19 Tim Nguyen <ntim@apple.com>
+
+ Implement ::backdrop pseudo element
+ https://bugs.webkit.org/show_bug.cgi?id=227801
+
+ Reviewed by Antti Koivisto.
+
+ This adds UA styles, RenderTreeBuilder support and WebInspector support for ::backdrop.
+ Some imported blink tests now start passing, some still need proper top layer support.
+
+ * UserInterface/Controllers/CSSManager.js:
+ (WI.CSSManager.displayNameForPseudoId):
+
</ins><span class="cx"> 2021-08-17 Devin Rousso <drousso@apple.com>
</span><span class="cx">
</span><span class="cx"> Web Inspector: match the undocked tab bar style when docked bottom/side
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceControllersCSSManagerjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js (281228 => 281229)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js 2021-08-19 08:46:05 UTC (rev 281228)
+++ trunk/Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js 2021-08-19 09:02:02 UTC (rev 281229)
</span><span class="lines">@@ -155,6 +155,8 @@
</span><span class="cx"> return WI.unlocalizedString("::after");
</span><span class="cx"> case CSSManager.PseudoSelectorNames.Selection:
</span><span class="cx"> return WI.unlocalizedString("::selection");
</span><ins>+ case CSSManager.PseudoSelectorNames.Backdrop:
+ return WI.unlocalizedString("::backdrop");
</ins><span class="cx"> case CSSManager.PseudoSelectorNames.Scrollbar:
</span><span class="cx"> return WI.unlocalizedString("::scrollbar");
</span><span class="cx"> case CSSManager.PseudoSelectorNames.ScrollbarThumb:
</span><span class="lines">@@ -684,6 +686,7 @@
</span><span class="cx"> WI.CSSManager.PseudoSelectorNames = {
</span><span class="cx"> After: "after",
</span><span class="cx"> Before: "before",
</span><ins>+ Backdrop: "backdrop",
</ins><span class="cx"> FirstLetter: "first-letter",
</span><span class="cx"> FirstLine: "first-line",
</span><span class="cx"> Highlight: "highlight",
</span></span></pre>
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