Title: [271350] trunk
Revision
271350
Author
[email protected]
Date
2021-01-10 10:09:09 -0800 (Sun, 10 Jan 2021)

Log Message

[LFC][Integration] Factor marked text style collection code out of InlineTextBox
https://bugs.webkit.org/show_bug.cgi?id=220249

Reviewed by Zalan Bujtas.

Source/WebCore:

This makes it possible to use the code from LFC painting.

* Sources.txt:
* WebCore.xcodeproj/project.pbxproj:
* rendering/InlineTextBox.cpp:
(WebCore::InlineTextBox::paint):
(WebCore::InlineTextBox::MarkedTextStyle::areBackgroundMarkedTextStylesEqual): Deleted.
(WebCore::InlineTextBox::MarkedTextStyle::areForegroundMarkedTextStylesEqual): Deleted.
(WebCore::InlineTextBox::MarkedTextStyle::areDecorationMarkedTextStylesEqual): Deleted.
(WebCore::InlineTextBox::StyledMarkedText::StyledMarkedText): Deleted.
(WebCore::InlineTextBox::computeStyleForUnmarkedMarkedText const): Deleted.
(WebCore::InlineTextBox::resolveStyleForMarkedText): Deleted.
(WebCore::InlineTextBox::subdivideAndResolveStyle): Deleted.
(WebCore::InlineTextBox::coalesceAdjacentMarkedTexts): Deleted.
* rendering/InlineTextBox.h:
* rendering/MarkedTextStyle.cpp: Added.
(WebCore::resolveStyleForMarkedText):
(WebCore::computeStyleForUnmarkedMarkedText):
(WebCore::subdivideAndResolveStyle):
(WebCore::coalesceAdjacentMarkedTexts):
* rendering/MarkedTextStyle.h: Added.
(WebCore::MarkedTextStyle::areBackgroundMarkedTextStylesEqual):
(WebCore::MarkedTextStyle::areForegroundMarkedTextStylesEqual):
(WebCore::MarkedTextStyle::areDecorationMarkedTextStylesEqual):
(WebCore::StyledMarkedText::StyledMarkedText):

LayoutTests:

* TestExpectations:

Mark http/wpt/css/css-highlight-api/highlight-text-cascade.html failing.

This test requires CSS4 highlight pseudo element inheritance (https://bugs.webkit.org/show_bug.cgi?id=220325)
which we (or anyone else) don't support.

It was passing by accident because the code was getting '::highlight' pseudo element style from a wrong element
(containing block instead of inline element) in certain cases. Renderer was found via InlineBox parent() which doesn't
match render tree parent in case inline culling optimization is active. The correct way is to use render tree parent.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (271349 => 271350)


--- trunk/LayoutTests/ChangeLog	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/LayoutTests/ChangeLog	2021-01-10 18:09:09 UTC (rev 271350)
@@ -1,3 +1,21 @@
+2021-01-10  Antti Koivisto  <[email protected]>
+
+        [LFC][Integration] Factor marked text style collection code out of InlineTextBox
+        https://bugs.webkit.org/show_bug.cgi?id=220249
+
+        Reviewed by Zalan Bujtas.
+
+        * TestExpectations:
+
+        Mark http/wpt/css/css-highlight-api/highlight-text-cascade.html failing.
+
+        This test requires CSS4 highlight pseudo element inheritance (https://bugs.webkit.org/show_bug.cgi?id=220325)
+        which we (or anyone else) don't support.
+
+        It was passing by accident because the code was getting '::highlight' pseudo element style from a wrong element
+        (containing block instead of inline element) in certain cases. Renderer was found via InlineBox parent() which doesn't
+        match render tree parent in case inline culling optimization is active. The correct way is to use render tree parent.
+
 2021-01-09  Zalan Bujtas  <[email protected]>
 
         play.google.com: App preview images are clipped

Modified: trunk/LayoutTests/TestExpectations (271349 => 271350)


--- trunk/LayoutTests/TestExpectations	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/LayoutTests/TestExpectations	2021-01-10 18:09:09 UTC (rev 271350)
@@ -4594,3 +4594,5 @@
 webkit.org/b/217931 imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/moving-between-documents/move-back-iframe-success-external-classic.html [ Pass Failure ]
 webkit.org/b/217931 imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/moving-between-documents/move-back-iframe-success-external-module.html [ Pass Failure ]
 webkit.org/b/217931 imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/moving-between-documents/move-back-iframe-success-inline-classic.html [ Pass Failure ]
+
+webkit.org/b/220325 http/wpt/css/css-highlight-api/highlight-text-cascade.html [ ImageOnlyFailure ]

Modified: trunk/Source/WebCore/ChangeLog (271349 => 271350)


--- trunk/Source/WebCore/ChangeLog	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/Source/WebCore/ChangeLog	2021-01-10 18:09:09 UTC (rev 271350)
@@ -1,5 +1,38 @@
 2021-01-10  Antti Koivisto  <[email protected]>
 
+        [LFC][Integration] Factor marked text style collection code out of InlineTextBox
+        https://bugs.webkit.org/show_bug.cgi?id=220249
+
+        Reviewed by Zalan Bujtas.
+
+        This makes it possible to use the code from LFC painting.
+
+        * Sources.txt:
+        * WebCore.xcodeproj/project.pbxproj:
+        * rendering/InlineTextBox.cpp:
+        (WebCore::InlineTextBox::paint):
+        (WebCore::InlineTextBox::MarkedTextStyle::areBackgroundMarkedTextStylesEqual): Deleted.
+        (WebCore::InlineTextBox::MarkedTextStyle::areForegroundMarkedTextStylesEqual): Deleted.
+        (WebCore::InlineTextBox::MarkedTextStyle::areDecorationMarkedTextStylesEqual): Deleted.
+        (WebCore::InlineTextBox::StyledMarkedText::StyledMarkedText): Deleted.
+        (WebCore::InlineTextBox::computeStyleForUnmarkedMarkedText const): Deleted.
+        (WebCore::InlineTextBox::resolveStyleForMarkedText): Deleted.
+        (WebCore::InlineTextBox::subdivideAndResolveStyle): Deleted.
+        (WebCore::InlineTextBox::coalesceAdjacentMarkedTexts): Deleted.
+        * rendering/InlineTextBox.h:
+        * rendering/MarkedTextStyle.cpp: Added.
+        (WebCore::resolveStyleForMarkedText):
+        (WebCore::computeStyleForUnmarkedMarkedText):
+        (WebCore::subdivideAndResolveStyle):
+        (WebCore::coalesceAdjacentMarkedTexts):
+        * rendering/MarkedTextStyle.h: Added.
+        (WebCore::MarkedTextStyle::areBackgroundMarkedTextStylesEqual):
+        (WebCore::MarkedTextStyle::areForegroundMarkedTextStylesEqual):
+        (WebCore::MarkedTextStyle::areDecorationMarkedTextStylesEqual):
+        (WebCore::StyledMarkedText::StyledMarkedText):
+
+2021-01-10  Antti Koivisto  <[email protected]>
+
         Remove InlineBox::hasSelectedChildren bit
         https://bugs.webkit.org/show_bug.cgi?id=220240
 

Modified: trunk/Source/WebCore/Sources.txt (271349 => 271350)


--- trunk/Source/WebCore/Sources.txt	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/Source/WebCore/Sources.txt	2021-01-10 18:09:09 UTC (rev 271350)
@@ -2195,6 +2195,7 @@
 rendering/LayoutDisallowedScope.cpp
 rendering/LayoutRepainter.cpp
 rendering/MarkedText.cpp
+rendering/MarkedTextStyle.cpp
 rendering/OrderIterator.cpp
 rendering/PointerEventsHitRules.cpp
 rendering/RenderAttachment.cpp

Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (271349 => 271350)


--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2021-01-10 18:09:09 UTC (rev 271350)
@@ -5090,6 +5090,7 @@
 		E43A023B17EB370A004CDD25 /* RenderElement.h in Headers */ = {isa = PBXBuildFile; fileRef = E43A023A17EB370A004CDD25 /* RenderElement.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E43AF8E71AC5B7EC00CA717E /* CacheValidation.h in Headers */ = {isa = PBXBuildFile; fileRef = E43AF8E51AC5B7DD00CA717E /* CacheValidation.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E440AA961C68420800A265CC /* ElementAndTextDescendantIterator.h in Headers */ = {isa = PBXBuildFile; fileRef = E440AA951C68420800A265CC /* ElementAndTextDescendantIterator.h */; };
+		E440FD5325A4AFDF00F7C849 /* MarkedTextStyle.h in Headers */ = {isa = PBXBuildFile; fileRef = E440FD5125A4AFDF00F7C849 /* MarkedTextStyle.h */; };
 		E44613A20CD6331000FADA75 /* HTMLAudioElement.h in Headers */ = {isa = PBXBuildFile; fileRef = E44613900CD6331000FADA75 /* HTMLAudioElement.h */; };
 		E44613A50CD6331000FADA75 /* HTMLMediaElement.h in Headers */ = {isa = PBXBuildFile; fileRef = E44613930CD6331000FADA75 /* HTMLMediaElement.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E44613A80CD6331000FADA75 /* HTMLSourceElement.h in Headers */ = {isa = PBXBuildFile; fileRef = E44613960CD6331000FADA75 /* HTMLSourceElement.h */; };
@@ -16232,6 +16233,8 @@
 		E43AF8E41AC5B7DD00CA717E /* CacheValidation.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = CacheValidation.cpp; sourceTree = "<group>"; };
 		E43AF8E51AC5B7DD00CA717E /* CacheValidation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CacheValidation.h; sourceTree = "<group>"; };
 		E440AA951C68420800A265CC /* ElementAndTextDescendantIterator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ElementAndTextDescendantIterator.h; sourceTree = "<group>"; };
+		E440FD5125A4AFDF00F7C849 /* MarkedTextStyle.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MarkedTextStyle.h; sourceTree = "<group>"; };
+		E440FD5425A4AFEE00F7C849 /* MarkedTextStyle.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = MarkedTextStyle.cpp; sourceTree = "<group>"; };
 		E4451077202C7E0100657D33 /* CompiledSelector.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CompiledSelector.h; sourceTree = "<group>"; };
 		E446138F0CD6331000FADA75 /* HTMLAudioElement.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = HTMLAudioElement.cpp; sourceTree = "<group>"; };
 		E44613900CD6331000FADA75 /* HTMLAudioElement.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HTMLAudioElement.h; sourceTree = "<group>"; };
@@ -29647,6 +29650,8 @@
 				9BA273F3172206BB0097CE47 /* LogicalSelectionOffsetCaches.h */,
 				CE1866421F72E5B400A0CAB6 /* MarkedText.cpp */,
 				CE1866431F72E5B400A0CAB6 /* MarkedText.h */,
+				E440FD5425A4AFEE00F7C849 /* MarkedTextStyle.cpp */,
+				E440FD5125A4AFDF00F7C849 /* MarkedTextStyle.h */,
 				CDE7FC42181904B1002BBB77 /* OrderIterator.cpp */,
 				CDE7FC43181904B1002BBB77 /* OrderIterator.h */,
 				3774ABA30FA21EB400AD7DE9 /* OverlapTestRequestClient.h */,
@@ -33041,6 +33046,7 @@
 				E44614190CD6826900FADA75 /* JSMediaError.h in Headers */,
 				CDF756A3215C29E900EFCB50 /* JSMediaKeyEncryptionScheme.h in Headers */,
 				2D9BF7281DBFDB0D007A7D99 /* JSMediaKeyMessageEvent.h in Headers */,
+				E440FD5325A4AFDF00F7C849 /* MarkedTextStyle.h in Headers */,
 				2D9BF7291DBFDB10007A7D99 /* JSMediaKeys.h in Headers */,
 				2D9BF72A1DBFDB13007A7D99 /* JSMediaKeySession.h in Headers */,
 				CDF4B71E1E01E11A00E235A2 /* JSMediaKeySessionType.h in Headers */,

Modified: trunk/Source/WebCore/rendering/InlineTextBox.cpp (271349 => 271350)


--- trunk/Source/WebCore/rendering/InlineTextBox.cpp	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/Source/WebCore/rendering/InlineTextBox.cpp	2021-01-10 18:09:09 UTC (rev 271350)
@@ -40,7 +40,7 @@
 #include "HitTestResult.h"
 #include "ImageBuffer.h"
 #include "InlineTextBoxStyle.h"
-#include "MarkedText.h"
+#include "MarkedTextStyle.h"
 #include "Page.h"
 #include "PaintInfo.h"
 #include "RenderBlock.h"
@@ -433,36 +433,6 @@
     return isAbove;
 }
 
-struct InlineTextBox::MarkedTextStyle {
-    static bool areBackgroundMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
-    {
-        return a.backgroundColor == b.backgroundColor;
-    }
-    static bool areForegroundMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
-    {
-        return a.textStyles == b.textStyles && a.textShadow == b.textShadow && a.alpha == b.alpha;
-    }
-    static bool areDecorationMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
-    {
-        return a.textDecorationStyles == b.textDecorationStyles && a.textShadow == b.textShadow && a.alpha == b.alpha;
-    }
-
-    Color backgroundColor;
-    TextPaintStyle textStyles;
-    TextDecorationPainter::Styles textDecorationStyles;
-    Optional<ShadowData> textShadow;
-    float alpha;
-};
-
-struct InlineTextBox::StyledMarkedText : MarkedText {
-    StyledMarkedText(const MarkedText& marker)
-        : MarkedText { marker }
-    {
-    }
-
-    MarkedTextStyle style;
-};
-
 static MarkedText createMarkedTextFromSelectionInBox(const InlineTextBox& box)
 {
     auto [selectionStart, selectionEnd] = box.selectionStartEnd();
@@ -544,8 +514,6 @@
     bool containsComposition = renderer().textNode() && renderer().frame().editor().compositionNode() == renderer().textNode();
     bool useCustomUnderlines = containsComposition && renderer().frame().editor().compositionUsesCustomUnderlines();
 
-    MarkedTextStyle unmarkedStyle = computeStyleForUnmarkedMarkedText(paintInfo);
-
     // 1. Paint backgrounds behind text if needed. Examples of such backgrounds include selection
     // and composition underlines.
     if (paintInfo.phase != PaintPhase::Selection && paintInfo.phase != PaintPhase::TextClip && !isPrinting) {
@@ -563,7 +531,7 @@
                 markedTexts.append(WTFMove(selectionMarkedText));
         }
 #endif
-        auto styledMarkedTexts = subdivideAndResolveStyle(markedTexts, unmarkedStyle, paintInfo);
+        auto styledMarkedTexts = subdivideAndResolveStyle(markedTexts, renderer(), isFirstLine(), paintInfo);
 
         // Coalesce styles of adjacent marked texts to minimize the number of drawing commands.
         auto coalescedStyledMarkedTexts = coalesceAdjacentMarkedTexts(styledMarkedTexts, &MarkedTextStyle::areBackgroundMarkedTextStylesEqual);
@@ -611,7 +579,7 @@
             markedTexts.append(WTFMove(selectionMarkedText));
     }
 
-    auto styledMarkedTexts = subdivideAndResolveStyle(markedTexts, unmarkedStyle, paintInfo);
+    auto styledMarkedTexts = subdivideAndResolveStyle(markedTexts, renderer(), isFirstLine(), paintInfo);
 
     // ... now remove the selection marked text if we are excluding selection.
     if (!isPrinting && paintInfo.paintBehavior.contains(PaintBehavior::ExcludeSelection))
@@ -796,141 +764,6 @@
     context.drawDotsForDocumentMarker(bounds, lineStyleForMarkedTextType());
 }
 
-auto InlineTextBox::computeStyleForUnmarkedMarkedText(const PaintInfo& paintInfo) const -> MarkedTextStyle
-{
-    auto& lineStyle = this->lineStyle();
-
-    MarkedTextStyle style;
-    style.textDecorationStyles = TextDecorationPainter::stylesForRenderer(renderer(), lineStyle.textDecorationsInEffect(), isFirstLine());
-    style.textStyles = computeTextPaintStyle(renderer().frame(), lineStyle, paintInfo);
-    style.textShadow = ShadowData::clone(paintInfo.forceTextColor() ? nullptr : lineStyle.textShadow());
-    style.alpha = 1;
-    return style;
-}
-
-auto InlineTextBox::resolveStyleForMarkedText(const MarkedText& markedText, const MarkedTextStyle& baseStyle, const PaintInfo& paintInfo) -> StyledMarkedText
-{
-    MarkedTextStyle style = baseStyle;
-    switch (markedText.type) {
-    case MarkedText::Correction:
-    case MarkedText::DictationAlternatives:
-#if PLATFORM(IOS_FAMILY)
-    // FIXME: See <rdar://problem/8933352>. Also, remove the PLATFORM(IOS_FAMILY)-guard.
-    case MarkedText::DictationPhraseWithAlternatives:
-#endif
-    case MarkedText::GrammarError:
-    case MarkedText::SpellingError:
-    case MarkedText::Unmarked:
-        break;
-    case MarkedText::Highlight:
-        if (auto renderStyle = parent()->renderer().getUncachedPseudoStyle({ PseudoId::Highlight, markedText.highlightName }, &parent()->renderer().style())) {
-            style.backgroundColor = renderStyle->backgroundColor();
-            style.textStyles.fillColor = renderStyle->computedStrokeColor();
-            style.textStyles.strokeColor = renderStyle->computedStrokeColor();
-            
-            auto color = TextDecorationPainter::decorationColor(*renderStyle.get());
-            auto decorationStyle = renderStyle->textDecorationStyle();
-            auto decorations = renderStyle->textDecorationsInEffect();
-
-            if (decorations.contains(TextDecoration::Underline)) {
-                style.textDecorationStyles.underlineColor = color;
-                style.textDecorationStyles.underlineStyle = decorationStyle;
-            }
-            if (decorations.contains(TextDecoration::Overline)) {
-                style.textDecorationStyles.overlineColor = color;
-                style.textDecorationStyles.overlineStyle = decorationStyle;
-            }
-            if (decorations.contains(TextDecoration::LineThrough)) {
-                style.textDecorationStyles.linethroughColor = color;
-                style.textDecorationStyles.linethroughStyle = decorationStyle;
-            }
-        }
-        break;
-#if ENABLE(APP_HIGHLIGHTS)
-    case MarkedText::AppHighlight: {
-        OptionSet<StyleColor::Options> styleColorOptions = { StyleColor::Options::UseSystemAppearance };
-        style.backgroundColor = renderer().theme().appHighlightColor(styleColorOptions);
-        break;
-    }
-#endif
-    case MarkedText::DraggedContent:
-        style.alpha = 0.25;
-        break;
-    case MarkedText::Selection: {
-        style.textStyles = computeTextSelectionPaintStyle(style.textStyles, renderer(), lineStyle(), paintInfo, style.textShadow);
-
-        Color selectionBackgroundColor = renderer().selectionBackgroundColor();
-        style.backgroundColor = selectionBackgroundColor;
-        if (selectionBackgroundColor.isValid() && selectionBackgroundColor.isVisible() && style.textStyles.fillColor == selectionBackgroundColor)
-            style.backgroundColor = selectionBackgroundColor.invertedColorWithAlpha(1.0);
-        break;
-    }
-    case MarkedText::TextMatch: {
-        // Text matches always use the light system appearance.
-        OptionSet<StyleColor::Options> styleColorOptions = { StyleColor::Options::UseSystemAppearance };
-#if PLATFORM(MAC)
-        style.textStyles.fillColor = renderer().theme().systemColor(CSSValueAppleSystemLabel, styleColorOptions);
-#endif
-        style.backgroundColor = renderer().theme().textSearchHighlightColor(styleColorOptions);
-        break;
-    }
-    }
-    StyledMarkedText styledMarkedText = markedText;
-    styledMarkedText.style = WTFMove(style);
-    return styledMarkedText;
-}
-
-auto InlineTextBox::subdivideAndResolveStyle(const Vector<MarkedText>& textsToSubdivide, const MarkedTextStyle& baseStyle, const PaintInfo& paintInfo) -> Vector<StyledMarkedText>
-{
-    if (textsToSubdivide.isEmpty())
-        return { };
-
-    auto markedTexts = subdivide(textsToSubdivide);
-    ASSERT(!markedTexts.isEmpty());
-    if (UNLIKELY(markedTexts.isEmpty()))
-        return { };
-
-    // Compute frontmost overlapping styled marked texts.
-    Vector<StyledMarkedText> frontmostMarkedTexts;
-    frontmostMarkedTexts.reserveInitialCapacity(markedTexts.size());
-    frontmostMarkedTexts.uncheckedAppend(resolveStyleForMarkedText(markedTexts[0], baseStyle, paintInfo));
-    for (auto it = markedTexts.begin() + 1, end = markedTexts.end(); it != end; ++it) {
-        StyledMarkedText& previousStyledMarkedText = frontmostMarkedTexts.last();
-        if (previousStyledMarkedText.startOffset == it->startOffset && previousStyledMarkedText.endOffset == it->endOffset) {
-            // Marked texts completely cover each other.
-            previousStyledMarkedText = resolveStyleForMarkedText(*it, previousStyledMarkedText.style, paintInfo);
-            continue;
-        }
-        frontmostMarkedTexts.uncheckedAppend(resolveStyleForMarkedText(*it, baseStyle, paintInfo));
-    }
-
-    return frontmostMarkedTexts;
-}
-
-auto InlineTextBox::coalesceAdjacentMarkedTexts(const Vector<StyledMarkedText>& textsToCoalesce, MarkedTextStylesEqualityFunction areMarkedTextStylesEqual) -> Vector<StyledMarkedText>
-{
-    if (textsToCoalesce.isEmpty())
-        return { };
-
-    auto areAdjacentMarkedTextsWithSameStyle = [&] (const StyledMarkedText& a, const StyledMarkedText& b) {
-        return a.endOffset == b.startOffset && areMarkedTextStylesEqual(a.style, b.style);
-    };
-
-    Vector<StyledMarkedText> styledMarkedTexts;
-    styledMarkedTexts.reserveInitialCapacity(textsToCoalesce.size());
-    styledMarkedTexts.uncheckedAppend(textsToCoalesce[0]);
-    for (auto it = textsToCoalesce.begin() + 1, end = textsToCoalesce.end(); it != end; ++it) {
-        StyledMarkedText& previousStyledMarkedText = styledMarkedTexts.last();
-        if (areAdjacentMarkedTextsWithSameStyle(previousStyledMarkedText, *it)) {
-            previousStyledMarkedText.endOffset = it->endOffset;
-            continue;
-        }
-        styledMarkedTexts.uncheckedAppend(*it);
-    }
-
-    return styledMarkedTexts;
-}
-
 Vector<MarkedText> InlineTextBox::collectMarkedTextsForDraggedContent()
 {
     using DraggendContentRange = std::pair<unsigned, unsigned>;

Modified: trunk/Source/WebCore/rendering/InlineTextBox.h (271349 => 271350)


--- trunk/Source/WebCore/rendering/InlineTextBox.h	2021-01-10 12:04:02 UTC (rev 271349)
+++ trunk/Source/WebCore/rendering/InlineTextBox.h	2021-01-10 18:09:09 UTC (rev 271350)
@@ -33,6 +33,7 @@
 class TextPainter;
 struct CompositionUnderline;
 struct MarkedText;
+struct StyledMarkedText;
 struct TextPaintStyle;
 
 const unsigned short cNoTruncation = USHRT_MAX;
@@ -164,9 +165,6 @@
     FloatRect calculateDocumentMarkerBounds(const MarkedText&) const;
 
 private:
-    struct MarkedTextStyle;
-    struct StyledMarkedText;
-
     enum class TextPaintPhase { Background, Foreground, Decoration };
 
     Vector<MarkedText> collectMarkedTextsForDraggedContent();
@@ -173,13 +171,6 @@
     Vector<MarkedText> collectMarkedTextsForDocumentMarkers(TextPaintPhase) const;
     Vector<MarkedText> collectMarkedTextsForHighlights(TextPaintPhase) const;
 
-    MarkedTextStyle computeStyleForUnmarkedMarkedText(const PaintInfo&) const;
-    StyledMarkedText resolveStyleForMarkedText(const MarkedText&, const MarkedTextStyle& baseStyle, const PaintInfo&);
-    Vector<StyledMarkedText> subdivideAndResolveStyle(const Vector<MarkedText>&, const MarkedTextStyle& baseStyle, const PaintInfo&);
-
-    using MarkedTextStylesEqualityFunction = bool (*)(const MarkedTextStyle&, const MarkedTextStyle&);
-    Vector<StyledMarkedText> coalesceAdjacentMarkedTexts(const Vector<StyledMarkedText>&, MarkedTextStylesEqualityFunction);
-
     FloatPoint textOriginFromBoxRect(const FloatRect&) const;
 
     void paintMarkedTexts(PaintInfo&, TextPaintPhase, const FloatRect& boxRect, const Vector<StyledMarkedText>&, const FloatRect& decorationClipOutRect = { });

Added: trunk/Source/WebCore/rendering/MarkedTextStyle.cpp (0 => 271350)


--- trunk/Source/WebCore/rendering/MarkedTextStyle.cpp	                        (rev 0)
+++ trunk/Source/WebCore/rendering/MarkedTextStyle.cpp	2021-01-10 18:09:09 UTC (rev 271350)
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2021 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "MarkedTextStyle.h"
+
+#include "ElementRuleCollector.h"
+#include "RenderElement.h"
+#include "RenderText.h"
+#include "RenderTheme.h"
+
+namespace WebCore {
+
+static StyledMarkedText resolveStyleForMarkedText(const MarkedText& markedText, const MarkedTextStyle& baseStyle, const RenderText& renderer, const RenderStyle& lineStyle, const PaintInfo& paintInfo)
+{
+    MarkedTextStyle style = baseStyle;
+    switch (markedText.type) {
+    case MarkedText::Correction:
+    case MarkedText::DictationAlternatives:
+#if PLATFORM(IOS_FAMILY)
+    // FIXME: See <rdar://problem/8933352>. Also, remove the PLATFORM(IOS_FAMILY)-guard.
+    case MarkedText::DictationPhraseWithAlternatives:
+#endif
+    case MarkedText::GrammarError:
+    case MarkedText::SpellingError:
+    case MarkedText::Unmarked:
+        break;
+    case MarkedText::Highlight:
+        if (auto renderStyle = renderer.parent()->getUncachedPseudoStyle({ PseudoId::Highlight, markedText.highlightName }, &renderer.style())) {
+            style.backgroundColor = renderStyle->backgroundColor();
+            style.textStyles.fillColor = renderStyle->computedStrokeColor();
+            style.textStyles.strokeColor = renderStyle->computedStrokeColor();
+
+            auto color = TextDecorationPainter::decorationColor(*renderStyle.get());
+            auto decorationStyle = renderStyle->textDecorationStyle();
+            auto decorations = renderStyle->textDecorationsInEffect();
+
+            if (decorations.contains(TextDecoration::Underline)) {
+                style.textDecorationStyles.underlineColor = color;
+                style.textDecorationStyles.underlineStyle = decorationStyle;
+            }
+            if (decorations.contains(TextDecoration::Overline)) {
+                style.textDecorationStyles.overlineColor = color;
+                style.textDecorationStyles.overlineStyle = decorationStyle;
+            }
+            if (decorations.contains(TextDecoration::LineThrough)) {
+                style.textDecorationStyles.linethroughColor = color;
+                style.textDecorationStyles.linethroughStyle = decorationStyle;
+            }
+        }
+        break;
+#if ENABLE(APP_HIGHLIGHTS)
+    case MarkedText::AppHighlight: {
+        OptionSet<StyleColor::Options> styleColorOptions = { StyleColor::Options::UseSystemAppearance };
+        style.backgroundColor = renderer().theme().appHighlightColor(styleColorOptions);
+        break;
+    }
+#endif
+    case MarkedText::DraggedContent:
+        style.alpha = 0.25;
+        break;
+    case MarkedText::Selection: {
+        style.textStyles = computeTextSelectionPaintStyle(style.textStyles, renderer, lineStyle, paintInfo, style.textShadow);
+
+        Color selectionBackgroundColor = renderer.selectionBackgroundColor();
+        style.backgroundColor = selectionBackgroundColor;
+        if (selectionBackgroundColor.isValid() && selectionBackgroundColor.isVisible() && style.textStyles.fillColor == selectionBackgroundColor)
+            style.backgroundColor = selectionBackgroundColor.invertedColorWithAlpha(1.0);
+        break;
+    }
+    case MarkedText::TextMatch: {
+        // Text matches always use the light system appearance.
+        OptionSet<StyleColor::Options> styleColorOptions = { StyleColor::Options::UseSystemAppearance };
+#if PLATFORM(MAC)
+        style.textStyles.fillColor = renderer.theme().systemColor(CSSValueAppleSystemLabel, styleColorOptions);
+#endif
+        style.backgroundColor = renderer.theme().textSearchHighlightColor(styleColorOptions);
+        break;
+    }
+    }
+    StyledMarkedText styledMarkedText = markedText;
+    styledMarkedText.style = WTFMove(style);
+    return styledMarkedText;
+}
+
+static MarkedTextStyle computeStyleForUnmarkedMarkedText(const RenderText& renderer, const RenderStyle& lineStyle, bool isFirstLine, const PaintInfo& paintInfo)
+{
+    MarkedTextStyle style;
+    style.textDecorationStyles = TextDecorationPainter::stylesForRenderer(renderer, lineStyle.textDecorationsInEffect(), isFirstLine);
+    style.textStyles = computeTextPaintStyle(renderer.frame(), lineStyle, paintInfo);
+    style.textShadow = ShadowData::clone(paintInfo.forceTextColor() ? nullptr : lineStyle.textShadow());
+    style.alpha = 1;
+    return style;
+}
+
+Vector<StyledMarkedText> subdivideAndResolveStyle(const Vector<MarkedText>& textsToSubdivide, const RenderText& renderer, bool isFirstLine, const PaintInfo& paintInfo)
+{
+    if (textsToSubdivide.isEmpty())
+        return { };
+
+    auto markedTexts = subdivide(textsToSubdivide);
+    ASSERT(!markedTexts.isEmpty());
+    if (UNLIKELY(markedTexts.isEmpty()))
+        return { };
+
+    auto& lineStyle = isFirstLine ? renderer.firstLineStyle() : renderer.style();
+    auto baseStyle = computeStyleForUnmarkedMarkedText(renderer, lineStyle, isFirstLine, paintInfo);
+
+    // Compute frontmost overlapping styled marked texts.
+    Vector<StyledMarkedText> frontmostMarkedTexts;
+    frontmostMarkedTexts.reserveInitialCapacity(markedTexts.size());
+    frontmostMarkedTexts.uncheckedAppend(resolveStyleForMarkedText(markedTexts[0], baseStyle, renderer, lineStyle, paintInfo));
+    for (auto it = markedTexts.begin() + 1, end = markedTexts.end(); it != end; ++it) {
+        StyledMarkedText& previousStyledMarkedText = frontmostMarkedTexts.last();
+        if (previousStyledMarkedText.startOffset == it->startOffset && previousStyledMarkedText.endOffset == it->endOffset) {
+            // Marked texts completely cover each other.
+            previousStyledMarkedText = resolveStyleForMarkedText(*it, previousStyledMarkedText.style, renderer, lineStyle, paintInfo);
+            continue;
+        }
+        frontmostMarkedTexts.uncheckedAppend(resolveStyleForMarkedText(*it, baseStyle, renderer, lineStyle, paintInfo));
+    }
+
+    return frontmostMarkedTexts;
+}
+
+Vector<StyledMarkedText> coalesceAdjacentMarkedTexts(const Vector<StyledMarkedText>& textsToCoalesce, MarkedTextStylesEqualityFunction areMarkedTextStylesEqual)
+{
+    if (textsToCoalesce.isEmpty())
+        return { };
+
+    auto areAdjacentMarkedTextsWithSameStyle = [&] (const StyledMarkedText& a, const StyledMarkedText& b) {
+        return a.endOffset == b.startOffset && areMarkedTextStylesEqual(a.style, b.style);
+    };
+
+    Vector<StyledMarkedText> styledMarkedTexts;
+    styledMarkedTexts.reserveInitialCapacity(textsToCoalesce.size());
+    styledMarkedTexts.uncheckedAppend(textsToCoalesce[0]);
+    for (auto it = textsToCoalesce.begin() + 1, end = textsToCoalesce.end(); it != end; ++it) {
+        StyledMarkedText& previousStyledMarkedText = styledMarkedTexts.last();
+        if (areAdjacentMarkedTextsWithSameStyle(previousStyledMarkedText, *it)) {
+            previousStyledMarkedText.endOffset = it->endOffset;
+            continue;
+        }
+        styledMarkedTexts.uncheckedAppend(*it);
+    }
+
+    return styledMarkedTexts;
+}
+
+}

Added: trunk/Source/WebCore/rendering/MarkedTextStyle.h (0 => 271350)


--- trunk/Source/WebCore/rendering/MarkedTextStyle.h	                        (rev 0)
+++ trunk/Source/WebCore/rendering/MarkedTextStyle.h	2021-01-10 18:09:09 UTC (rev 271350)
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2021 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "MarkedText.h"
+#include "ShadowData.h"
+#include "TextDecorationPainter.h"
+#include "TextPaintStyle.h"
+#include <wtf/Optional.h>
+
+namespace WebCore {
+
+class RenderText;
+class RenderedDocumentMarker;
+
+struct MarkedTextStyle {
+    static bool areBackgroundMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
+    {
+        return a.backgroundColor == b.backgroundColor;
+    }
+    static bool areForegroundMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
+    {
+        return a.textStyles == b.textStyles && a.textShadow == b.textShadow && a.alpha == b.alpha;
+    }
+    static bool areDecorationMarkedTextStylesEqual(const MarkedTextStyle& a, const MarkedTextStyle& b)
+    {
+        return a.textDecorationStyles == b.textDecorationStyles && a.textShadow == b.textShadow && a.alpha == b.alpha;
+    }
+
+    Color backgroundColor;
+    TextPaintStyle textStyles;
+    TextDecorationPainter::Styles textDecorationStyles;
+    Optional<ShadowData> textShadow;
+    float alpha;
+};
+
+struct StyledMarkedText : MarkedText {
+    StyledMarkedText(const MarkedText& marker)
+        : MarkedText { marker }
+    {
+    }
+
+    MarkedTextStyle style;
+};
+
+Vector<StyledMarkedText> subdivideAndResolveStyle(const Vector<MarkedText>&, const RenderText&, bool isFirstLine, const PaintInfo&);
+
+using MarkedTextStylesEqualityFunction = bool (*)(const MarkedTextStyle&, const MarkedTextStyle&);
+Vector<StyledMarkedText> coalesceAdjacentMarkedTexts(const Vector<StyledMarkedText>&, MarkedTextStylesEqualityFunction);
+
+}
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