Attachment 358818 Details for Bug 193327 – Patch

[patch] Patch

bug-193327-20190110122001.patch (text/plain), 18.78 KB, created by Timothy Hatcher on 2019-01-10 12:20:02 PST

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Creator: Timothy Hatcher

Created: 2019-01-10 12:20:02 PST

Size: 18.78 KB

patch

obsolete

>Subversion Revision: 239836
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 0f00abcd8dc52deb6a7eeb1766e8b016210658e6..4435de62d19478fd76756843d44afc1cee2a9303 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,18 @@
>+2019-01-10  Timothy Hatcher  <timothy@apple.com>
>+
>+        Add WKBundlePage SPI to temporarily force light or dark appearance on a page.
>+        https://bugs.webkit.org/show_bug.cgi?id=193327
>+        rdar://problem/47093222
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Tests: WebKit.ForceLightAppearanceInBundle API Test
>+
>+        * WebProcess/InjectedBundle/API/c/WKBundlePage.cpp:
>+        (WKBundlePageSetUseDarkAppearance): Added.
>+        (WKBundlePageIsUsingDarkAppearance): Added.
>+        * WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h:
>+
> 2019-01-10  Alex Christensen  <achristensen@webkit.org>
> 
>         REGRESSION(r239815) http/tests/workers/service/serviceworker-private-browsing.https.html test times out
>diff --git a/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp b/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp
>index d300dc161c6e37b41c7c300046aa3a9971d003cb..400d13954d0df7f0f4170eade6211140876b4d82 100644
>--- a/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp
>+++ b/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp
>@@ -589,6 +589,21 @@ void WKBundlePageConfirmCompositionWithText(WKBundlePageRef pageRef, WKStringRef
>     WebKit::toImpl(pageRef)->confirmCompositionForTesting(WebKit::toWTFString(text));
> }
> 
>+void WKBundlePageSetUseDarkAppearance(WKBundlePageRef pageRef, bool useDarkAppearance)
>+{
>+    WebKit::WebPage* webPage = WebKit::toImpl(pageRef);
>+    if (WebCore::Page* page = webPage ? webPage->corePage() : nullptr)
>+        page->setUseDarkAppearance(useDarkAppearance);
>+}
>+
>+bool WKBundlePageIsUsingDarkAppearance(WKBundlePageRef pageRef)
>+{
>+    WebKit::WebPage* webPage = WebKit::toImpl(pageRef);
>+    if (WebCore::Page* page = webPage ? webPage->corePage() : nullptr)
>+        return page->useDarkAppearance();
>+    return false;
>+}
>+
> bool WKBundlePageCanShowMIMEType(WKBundlePageRef pageRef, WKStringRef mimeTypeRef)
> {
>     return WebKit::toImpl(pageRef)->canShowMIMEType(WebKit::toWTFString(mimeTypeRef));
>diff --git a/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h b/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h
>index 8414bcdb03c256ad3774a6d314cdd17e280006ec..d38c4180789b44c8847c9f778f28ef006f1c518a 100644
>--- a/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h
>+++ b/Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h
>@@ -77,6 +77,9 @@ WK_EXPORT bool WKBundlePageHasComposition(WKBundlePageRef page);
> WK_EXPORT void WKBundlePageConfirmComposition(WKBundlePageRef page);
> WK_EXPORT void WKBundlePageConfirmCompositionWithText(WKBundlePageRef page, WKStringRef text);
> 
>+WK_EXPORT void WKBundlePageSetUseDarkAppearance(WKBundlePageRef page, bool useDarkAppearance);
>+WK_EXPORT bool WKBundlePageIsUsingDarkAppearance(WKBundlePageRef page);
>+
> WK_EXPORT bool WKBundlePageCanShowMIMEType(WKBundlePageRef, WKStringRef mimeType);
> 
> WK_EXPORT void* WKAccessibilityRootObject(WKBundlePageRef);
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index f0adc259ab0b11bf12877c6406e36534b985b2f7..a613a59755a19b7743e739c64ccf683d798c82a8 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,22 @@
>+2019-01-10  Timothy Hatcher  <timothy@apple.com>
>+
>+        Add WKBundlePage SPI to temporarily force light or dark appearance on a page.
>+        https://bugs.webkit.org/show_bug.cgi?id=193327
>+        rdar://problem/47093222
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
>+        * TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle.mm: Added.
>+        (TestWebKitAPI::didFinishNavigation):
>+        (TestWebKitAPI::didReceiveMessageFromInjectedBundle):
>+        (TestWebKitAPI::TEST):
>+        * TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle_Bundle.mm: Added.
>+        (TestWebKitAPI::ForceLightAppearanceInBundleTest::ForceLightAppearanceInBundleTest):
>+        (TestWebKitAPI::ForceLightAppearanceInBundleTest::didCreatePage):
>+        (TestWebKitAPI::ForceLightAppearanceInBundleTest::didReceiveMessage):
>+        * TestWebKitAPI/Tests/WebKit/mac/dark-mode.html: Added.
>+
> 2019-01-10  Zhifei Fang  <zhifei_fang@apple.com>
> 
>         Disable the run-jsc-stress-test remote host key check.
>diff --git a/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj b/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>index 12d2a04aabeec19483c7caba35a7dbdb747f937a..fe27e4993725782621fef804fad076d8c0c55e97 100644
>--- a/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>+++ b/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>@@ -72,6 +72,9 @@
> 		1C7FEB20207C0F2E00D23278 /* BackgroundColor.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1C7FEB1F207C0F2D00D23278 /* BackgroundColor.mm */; };
> 		1C9EB8411E380DA1005C6442 /* ComplexTextController.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1C9EB8401E380DA1005C6442 /* ComplexTextController.cpp */; };
> 		1CAD1F861E5CE7DA00AF2C2C /* FontCache.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1CAD1F851E5CE7DA00AF2C2C /* FontCache.cpp */; };
>+		1CF59AE221E68925006E37EC /* ForceLightAppearanceInBundle_Bundle.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1CF59AE021E68925006E37EC /* ForceLightAppearanceInBundle_Bundle.mm */; };
>+		1CF59AE321E68932006E37EC /* ForceLightAppearanceInBundle.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1CF59ADF21E68925006E37EC /* ForceLightAppearanceInBundle.mm */; };
>+		1CF59AE521E6977D006E37EC /* dark-mode.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 1CF59AE421E696FB006E37EC /* dark-mode.html */; };
> 		1F83571B1D3FFB2300E3967B /* WKBackForwardList.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1F83571A1D3FFB0E00E3967B /* WKBackForwardList.mm */; };
> 		26DF5A6315A2A27E003689C2 /* CancelLoadFromResourceLoadDelegate.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 26DF5A6115A2A22B003689C2 /* CancelLoadFromResourceLoadDelegate.html */; };
> 		26F52EAD1828827B0023D412 /* geolocationGetCurrentPosition.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 26F52EAC1828820E0023D412 /* geolocationGetCurrentPosition.html */; };
>@@ -1043,6 +1046,7 @@
> 				7AEAD4811E20122700416EFE /* CrossPartitionFileSchemeAccess.html in Copy Resources */,
> 				F4AB578A1F65165400DB0DA1 /* custom-draggable-div.html in Copy Resources */,
> 				290F4275172A221C00939FF0 /* custom-protocol-sync-xhr.html in Copy Resources */,
>+				1CF59AE521E6977D006E37EC /* dark-mode.html in Copy Resources */,
> 				F47DFB2621A878DF00021FB6 /* data-detectors.html in Copy Resources */,
> 				F486B1D01F67952300F34BDD /* DataTransfer-setDragImage.html in Copy Resources */,
> 				F457A9D6202D68AF00F7E9D5 /* DataTransfer.html in Copy Resources */,
>@@ -1356,6 +1360,9 @@
> 		1CAD1F851E5CE7DA00AF2C2C /* FontCache.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = FontCache.cpp; sourceTree = "<group>"; };
> 		1CB9BC371A67482300FE5678 /* WeakPtr.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WeakPtr.cpp; sourceTree = "<group>"; };
> 		1CF0D3781BBF2F3D00B4EF54 /* WKRetainPtr.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKRetainPtr.cpp; sourceTree = "<group>"; };
>+		1CF59ADF21E68925006E37EC /* ForceLightAppearanceInBundle.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ForceLightAppearanceInBundle.mm; sourceTree = "<group>"; };
>+		1CF59AE021E68925006E37EC /* ForceLightAppearanceInBundle_Bundle.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ForceLightAppearanceInBundle_Bundle.mm; sourceTree = "<group>"; };
>+		1CF59AE421E696FB006E37EC /* dark-mode.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = "dark-mode.html"; sourceTree = "<group>"; };
> 		1F83571A1D3FFB0E00E3967B /* WKBackForwardList.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = WKBackForwardList.mm; path = Tests/WebKit/WKBackForwardList.mm; sourceTree = SOURCE_ROOT; };
> 		260BA5781B1D2E7B004FA07C /* DFACombiner.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = DFACombiner.cpp; sourceTree = "<group>"; };
> 		260BA57A1B1D2EE2004FA07C /* DFAHelpers.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DFAHelpers.h; sourceTree = "<group>"; };
>@@ -3528,7 +3535,10 @@
> 				7AC7B56F20D9BA5B002C09A0 /* CustomBundleObject.mm */,
> 				7AC7B56C20D9768F002C09A0 /* CustomBundleParameter.mm */,
> 				7AC7B56B20D9768E002C09A0 /* CustomBundleParameter_Bundle.mm */,
>+				1CF59AE421E696FB006E37EC /* dark-mode.html */,
> 				BCAA485714A044D40088FAC4 /* EditorCommands.mm */,
>+				1CF59ADF21E68925006E37EC /* ForceLightAppearanceInBundle.mm */,
>+				1CF59AE021E68925006E37EC /* ForceLightAppearanceInBundle_Bundle.mm */,
> 				C0C5D3BC14598B6F00A802A6 /* GetBackingScaleFactor.mm */,
> 				C0C5D3BD14598B6F00A802A6 /* GetBackingScaleFactor_Bundle.mm */,
> 				1AEF994817A09F5300998EF0 /* GetPIDAfterAbortedProcessLaunch.cpp */,
>@@ -3995,6 +4005,7 @@
> 				2E92B8FA2164A0C1005B64F0 /* FontAttributes.mm in Sources */,
> 				1CAD1F861E5CE7DA00AF2C2C /* FontCache.cpp in Sources */,
> 				F456AB1C213EDBA300CB2CEF /* FontManagerTests.mm in Sources */,
>+				1CF59AE321E68932006E37EC /* ForceLightAppearanceInBundle.mm in Sources */,
> 				7CCE7EF51A411AE600447C4C /* ForceRepaint.cpp in Sources */,
> 				7CCE7EC01A411A7E00447C4C /* FragmentNavigation.mm in Sources */,
> 				376C8C061D6E197C007D2BB9 /* FrameHandle.cpp in Sources */,
>@@ -4365,6 +4376,7 @@
> 				51393E221523952D005F39C5 /* DOMWindowExtensionBasic_Bundle.cpp in Sources */,
> 				F6F49C6B15545CA70007F39D /* DOMWindowExtensionNoCache_Bundle.cpp in Sources */,
> 				1171B24F219F49CD00CB897D /* FirstMeaningfulPaintMilestone_Bundle.cpp in Sources */,
>+				1CF59AE221E68925006E37EC /* ForceLightAppearanceInBundle_Bundle.mm in Sources */,
> 				C0C5D3C61459912900A802A6 /* GetBackingScaleFactor_Bundle.mm in Sources */,
> 				F660AA1115A5F631003A1243 /* GetInjectedBundleInitializationUserDataCallback_Bundle.cpp in Sources */,
> 				4BFDFFA71314776C0061F24B /* HitTestResultNodeHandle_Bundle.cpp in Sources */,
>diff --git a/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle.mm b/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle.mm
>new file mode 100644
>index 0000000000000000000000000000000000000000..b02bd5669fc64a90a9393f0bdaa596affee4f0c3
>--- /dev/null
>+++ b/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle.mm
>@@ -0,0 +1,92 @@
>+/*
>+ * Copyright (C) 2019 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"
>+
>+#if ENABLE(DARK_MODE_CSS) && WK_HAVE_C_SPI
>+
>+#include "PlatformUtilities.h"
>+#include "PlatformWebView.h"
>+#include "Test.h"
>+#include <WebKit/WKContextPrivate.h>
>+
>+namespace TestWebKitAPI {
>+
>+static bool didFinishLoad;
>+static bool messageReceived;
>+
>+static void didFinishNavigation(WKPageRef, WKNavigationRef, WKTypeRef, const void*)
>+{
>+    didFinishLoad = true;
>+}
>+
>+static void didReceiveMessageFromInjectedBundle(WKContextRef context, WKStringRef messageName, WKTypeRef messageBody, const void*)
>+{
>+    messageReceived = true;
>+
>+    ASSERT_NOT_NULL(messageBody);
>+    EXPECT_EQ(WKStringGetTypeID(), WKGetTypeID(messageBody));
>+
>+    WKStringRef messageBodyString = static_cast<WKStringRef>(messageBody);
>+
>+    EXPECT_WK_STREQ("TestDone", messageName);
>+    EXPECT_WK_STREQ("rgb(0, 0, 0)", messageBodyString);
>+}
>+
>+TEST(WebKit, ForceLightAppearanceInBundle)
>+{
>+    WKRetainPtr<WKContextRef> context(AdoptWK, Util::createContextForInjectedBundleTest("ForceLightAppearanceInBundleTest"));
>+
>+    PlatformWebView webView(context.get());
>+
>+    [webView.platformView() setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameDarkAqua]];
>+
>+    WKPageNavigationClientV0 loaderClient;
>+    memset(&loaderClient, 0, sizeof(loaderClient));
>+
>+    loaderClient.base.version = 0;
>+    loaderClient.didFinishNavigation = didFinishNavigation;
>+
>+    WKPageSetPageNavigationClient(webView.page(), &loaderClient.base);
>+
>+    WKContextInjectedBundleClientV0 injectedBundleClient;
>+    memset(&injectedBundleClient, 0, sizeof(injectedBundleClient));
>+
>+    injectedBundleClient.base.version = 0;
>+    injectedBundleClient.didReceiveMessageFromInjectedBundle = didReceiveMessageFromInjectedBundle;
>+
>+    WKContextSetInjectedBundleClient(context.get(), &injectedBundleClient.base);
>+
>+    WKPageLoadURL(webView.page(), adoptWK(Util::createURLForResource("dark-mode", "html")).get());
>+    Util::run(&didFinishLoad);
>+
>+    WKContextPostMessageToInjectedBundle(context.get(), Util::toWK("RunTest").get(), nullptr);
>+    Util::run(&messageReceived);
>+    messageReceived = false;
>+}
>+
>+} // namespace TestWebKitAPI
>+
>+#endif
>diff --git a/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle_Bundle.mm b/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle_Bundle.mm
>new file mode 100644
>index 0000000000000000000000000000000000000000..d199f16f570a54f85a233a4c2e9c7bf5a17ba0a9
>--- /dev/null
>+++ b/Tools/TestWebKitAPI/Tests/WebKit/mac/ForceLightAppearanceInBundle_Bundle.mm
>@@ -0,0 +1,92 @@
>+/*
>+ * Copyright (C) 2019 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"
>+
>+#if ENABLE(DARK_MODE_CSS) && WK_HAVE_C_SPI
>+
>+#include "InjectedBundleTest.h"
>+
>+#include "PlatformUtilities.h"
>+#include <JavaScriptCore/JSRetainPtr.h>
>+#include <WebKit/WKBundleFrame.h>
>+#include <WebKit/WKBundlePage.h>
>+#include <WebKit/WKBundlePagePrivate.h>
>+
>+namespace TestWebKitAPI {
>+
>+class ForceLightAppearanceInBundleTest : public InjectedBundleTest {
>+public:
>+    ForceLightAppearanceInBundleTest(const std::string& identifier)
>+        : InjectedBundleTest(identifier)
>+    {
>+    }
>+
>+    virtual void didCreatePage(WKBundleRef bundle, WKBundlePageRef page)
>+    {
>+        m_page = page;
>+    }
>+
>+    virtual void didReceiveMessage(WKBundleRef bundle, WKStringRef messageName, WKTypeRef messageBody)
>+    {
>+        if (!WKStringIsEqualToUTF8CString(messageName, "RunTest"))
>+            return;
>+
>+        if (!WKBundlePageIsUsingDarkAppearance(m_page))
>+            WKBundlePostMessage(bundle, Util::toWK("TestFailed").get(), Util::toWK("Page isn't in dark mode at start of test.").get());
>+
>+        WKBundlePageSetUseDarkAppearance(m_page, false);
>+
>+        if (WKBundlePageIsUsingDarkAppearance(m_page))
>+            WKBundlePostMessage(bundle, Util::toWK("TestFailed").get(), Util::toWK("Switching to light mode failed.").get());
>+
>+        auto mainFrame = WKBundlePageGetMainFrame(m_page);
>+        auto scriptContext = WKBundleFrameGetJavaScriptContext(mainFrame);
>+        auto script = adopt(JSStringCreateWithUTF8CString("window.getComputedStyle(document.body).getPropertyValue('color')"));
>+
>+        auto result = JSEvaluateScript(scriptContext, script.get(), nullptr, nullptr, 0, nullptr);
>+        auto resultString = adopt(JSValueToStringCopy(scriptContext, result, nullptr));
>+
>+        auto bufferSize = JSStringGetMaximumUTF8CStringSize(resultString.get());
>+        auto buffer = std::make_unique<char[]>(bufferSize);
>+        JSStringGetUTF8CString(resultString.get(), buffer.get(), bufferSize);
>+
>+        WKBundlePageSetUseDarkAppearance(m_page, true);
>+
>+        if (!WKBundlePageIsUsingDarkAppearance(m_page))
>+            WKBundlePostMessage(bundle, Util::toWK("TestFailed").get(), Util::toWK("Switching back to dark mode failed.").get());
>+
>+        WKBundlePostMessage(bundle, Util::toWK("TestDone").get(), Util::toWK(buffer.get()).get());
>+    }
>+
>+private:
>+    WKBundlePageRef m_page { nullptr };
>+};
>+
>+static InjectedBundleTest::Register<ForceLightAppearanceInBundleTest> registrar("ForceLightAppearanceInBundleTest");
>+
>+} // namespace TestWebKitAPI
>+
>+#endif
>diff --git a/Tools/TestWebKitAPI/Tests/WebKit/mac/dark-mode.html b/Tools/TestWebKitAPI/Tests/WebKit/mac/dark-mode.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..83c23561e01ec6ae572117cc8a4997e53b5c8dca
>--- /dev/null
>+++ b/Tools/TestWebKitAPI/Tests/WebKit/mac/dark-mode.html
>@@ -0,0 +1,5 @@
>+<style>
>+:root {
>+    supported-color-schemes: light dark;
>+}
>+</style>

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Attachments on bug 193327: 358808 | 358813 | 358818 | 358916