| /* |
| * Copyright (C) 2024 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. |
| */ |
| |
| #import "config.h" |
| |
| #if PLATFORM(MAC) |
| |
| #import "CGImagePixelReader.h" |
| #import "PlatformUtilities.h" |
| #import "Test.h" |
| #import "TestWKWebView.h" |
| #import "WKWebViewConfigurationExtras.h" |
| #import <WebCore/Color.h> |
| #import <WebKit/WKWebViewPrivate.h> |
| #import <wtf/RetainPtr.h> |
| |
| namespace TestWebKitAPI { |
| |
| static double scrollbarLuminanceForWebView(WKWebView *webView) |
| { |
| RetainPtr snapshotImage = adoptNS([webView _windowSnapshotInRect:CGRectNull withOptions:0]); |
| RetainPtr snapshotCGImage = [snapshotImage CGImageForProposedRect:NULL context:nil hints:nil]; |
| CGImagePixelReader reader { snapshotCGImage.get() }; |
| |
| auto scrollbarTrackColor = reader.at(reader.width() - 10, reader.height() - 10); |
| return scrollbarTrackColor.luminance(); |
| } |
| |
| TEST(ScrollbarTests, AppearanceChangeAfterSystemAppearanceChange) |
| { |
| RetainPtr configuration = [WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"WebProcessPlugInWithInternals" configureJSCForTesting:YES]; |
| RetainPtr webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]); |
| |
| [webView setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameAqua]]; |
| [webView synchronouslyLoadHTMLString:@"<head><meta name='color-scheme' content='dark light'></head><body style='height: 2000px;'></body>"]; |
| [webView stringByEvaluatingJavaScript:@"internals.setUsesOverlayScrollbars(false)"]; |
| [webView waitForNextPresentationUpdate]; |
| [webView waitForNextPresentationUpdate]; |
| |
| EXPECT_GT(scrollbarLuminanceForWebView(webView.get()), 0.5f); |
| |
| [webView setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameDarkAqua]]; |
| [webView waitForNextPresentationUpdate]; |
| [webView waitForNextPresentationUpdate]; |
| |
| EXPECT_LT(scrollbarLuminanceForWebView(webView.get()), 0.5f); |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // PLATFORM(MAC) |
