Title: [282015] trunk
Revision
282015
Author
mmaxfi...@apple.com
Date
2021-09-03 13:03:18 -0700 (Fri, 03 Sep 2021)

Log Message

FontFaceSet.status needs to react to style changes
https://bugs.webkit.org/show_bug.cgi?id=229839

Reviewed by Sam Weinig.

Source/WebCore:

When content says "document.fonts.status", the ".status" part needs to
update style instead of the "document.fonts" part. This is because it's
totally legal for content to say:

var f = document.fonts;
// Modify style here
... f.status ... <=== This needs to reflect the style changes.

Test: fast/text/FontFaceSet-status-after-style-update.html

* css/FontFaceSet.cpp:
(WebCore::FontFaceSet::status const):

LayoutTests:

This is not a WPT test because it requires internals.invalidateFontCache().

* fast/text/FontFaceSet-status-after-style-update-expected.txt: Added.
* fast/text/FontFaceSet-status-after-style-update.html: Added.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (282014 => 282015)


--- trunk/LayoutTests/ChangeLog	2021-09-03 19:46:40 UTC (rev 282014)
+++ trunk/LayoutTests/ChangeLog	2021-09-03 20:03:18 UTC (rev 282015)
@@ -1,3 +1,15 @@
+2021-09-03  Myles C. Maxfield  <mmaxfi...@apple.com>
+
+        FontFaceSet.status needs to react to style changes
+        https://bugs.webkit.org/show_bug.cgi?id=229839
+
+        Reviewed by Sam Weinig.
+
+        This is not a WPT test because it requires internals.invalidateFontCache().
+
+        * fast/text/FontFaceSet-status-after-style-update-expected.txt: Added.
+        * fast/text/FontFaceSet-status-after-style-update.html: Added.
+
 2021-09-03  Ziran Sun  <z...@igalia.com>
 
         REGRESSION(r280078): broke fast/images/exif-orientation-composited.html on windows

Added: trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update-expected.txt (0 => 282015)


--- trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update-expected.txt	2021-09-03 20:03:18 UTC (rev 282015)
@@ -0,0 +1,12 @@
+This function makes sure document.fonts.status gets updated after style changes.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS fonts.status is "loaded"
+PASS fonts.status is "loading"
+PASS fonts.status is "loaded"
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
Property changes on: trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update-expected.txt
___________________________________________________________________

Added: svn:eol-style

+native \ No newline at end of property

Added: svn:keywords

+Author Date Id Rev URL \ No newline at end of property

Added: trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update.html (0 => 282015)


--- trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update.html	                        (rev 0)
+++ trunk/LayoutTests/fast/text/FontFaceSet-status-after-style-update.html	2021-09-03 20:03:18 UTC (rev 282015)
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head id="head">
+<style id="style">
+@font-face {
+    font-family: "WebFont";
+    src: url("../../resources/Ahem.ttf") format("truetype");
+}
+</style>
+<script src=""
+<script>
+if (window.internals) {
+    internals.invalidateFontCache();
+    internals.clearMemoryCache();
+}
+</script>
+</head>
+<body>
+<script>
+description("This function makes sure document.fonts.status gets updated after style changes.");
+let fonts = document.fonts;
+shouldBeEqualToString("fonts.status", "loaded");
+fonts.values().next().value.load();
+shouldBeEqualToString("fonts.status", "loading");
+document.getElementById("head").removeChild(document.getElementById("style"));
+shouldBeEqualToString("fonts.status", "loaded");
+</script>
+</body>
+</html>

Modified: trunk/Source/WebCore/ChangeLog (282014 => 282015)


--- trunk/Source/WebCore/ChangeLog	2021-09-03 19:46:40 UTC (rev 282014)
+++ trunk/Source/WebCore/ChangeLog	2021-09-03 20:03:18 UTC (rev 282015)
@@ -1,3 +1,23 @@
+2021-09-03  Myles C. Maxfield  <mmaxfi...@apple.com>
+
+        FontFaceSet.status needs to react to style changes
+        https://bugs.webkit.org/show_bug.cgi?id=229839
+
+        Reviewed by Sam Weinig.
+
+        When content says "document.fonts.status", the ".status" part needs to
+        update style instead of the "document.fonts" part. This is because it's
+        totally legal for content to say:
+
+        var f = document.fonts;
+        // Modify style here
+        ... f.status ... <=== This needs to reflect the style changes.
+
+        Test: fast/text/FontFaceSet-status-after-style-update.html
+
+        * css/FontFaceSet.cpp:
+        (WebCore::FontFaceSet::status const):
+
 2021-09-03  Ziran Sun  <z...@igalia.com>
 
         REGRESSION(r280078): broke fast/images/exif-orientation-composited.html on windows

Modified: trunk/Source/WebCore/css/FontFaceSet.cpp (282014 => 282015)


--- trunk/Source/WebCore/css/FontFaceSet.cpp	2021-09-03 19:46:40 UTC (rev 282014)
+++ trunk/Source/WebCore/css/FontFaceSet.cpp	2021-09-03 20:03:18 UTC (rev 282015)
@@ -193,7 +193,10 @@
     
 auto FontFaceSet::status() const -> LoadStatus
 {
-    switch (m_backing->status()) {
+    Ref protect = m_backing;
+    protect->updateStyleIfNeeded();
+
+    switch (protect->status()) {
     case CSSFontFaceSet::Status::Loading:
         return LoadStatus::Loading;
     case CSSFontFaceSet::Status::Loaded:
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