Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewThemeColor.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2020 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"

 #import "TestCocoa.h"
 #import "TestWKWebView.h"
 #import <WebKit/WKPreferencesPrivate.h>
 #import <WebKit/WKWebViewPrivate.h>
 #import <WebKit/_WKApplicationManifest.h>
 #import <WebKit/_WKInternalDebugFeature.h>
 #import <wtf/RetainPtr.h>

 #define EXPECT_NSSTRING_EQ(expected, actual) \
     EXPECT_TRUE([actual isKindOfClass:[NSString class]]); \
     EXPECT_WK_STREQ(expected, (NSString *)actual);

 TEST(WKWebViewThemeColor, MetaElementValidNameAndColor)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementValidNameAndColorAndMedia)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red' media='screen'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementInvalidName)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='not-theme-color' content='blue'><meta name='theme-color' content='red'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementInvalidColor)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='invalid'><meta name='theme-color' content='red'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementInvalidMedia)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='blue' media='invalid'><meta name='theme-color' content='red' media='screen'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementMultipleValid)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<div><meta name='theme-color' content='red'></div><meta name='theme-color' content='blue'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementValidSubframe)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<iframe srcdoc=\"<meta name='theme-color' content='blue'>\"></iframe><meta name='theme-color' content='red'>"];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 @interface WKWebViewThemeColorObserver : NSObject

 - (instancetype)initWithWebView:(WKWebView *)webView;

 @property (nonatomic, readonly) WKWebView *webView;
 @property (nonatomic, copy) NSString *state;

 @end

 @implementation WKWebViewThemeColorObserver

 - (instancetype)initWithWebView:(WKWebView *)webView
 {
     if (!(self = [super init]))
         return nil;

     _state = @"before-init";

     _webView = webView;
     [_webView addObserver:self forKeyPath:@"themeColor" options:NSKeyValueObservingOptionInitial context:nil];

     return self;
 }

 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 {
     if ([_state isEqualToString:@"before-init"]) {
         _state = @"after-init";
         return;
     }

     if ([_state isEqualToString:@"before-load"]) {
         _state = @"after-load";
         return;
     }

     if ([_state isEqualToString:@"before-content-change-invalid"]) {
         _state = @"after-content-change-invalid";
         return;
     }

     if ([_state isEqualToString:@"before-content-change-valid"]) {
         _state = @"after-content-change-valid";
         return;
     }

     if ([_state isEqualToString:@"before-name-change-not-theme-color"]) {
         _state = @"after-name-change-not-theme-color";
         return;
     }

     if ([_state isEqualToString:@"before-name-change-theme-color"]) {
         _state = @"after-name-change-theme-color";
         return;
     }

     if ([_state isEqualToString:@"before-invalid-media-added"]) {
         _state = @"after-invalid-media-added";
         return;
     }

     if ([_state isEqualToString:@"before-media-changed-valid"]) {
         _state = @"after-media-changed-valid";
         return;
     }

     if ([_state isEqualToString:@"before-media-state-changed"]) {
         _state = @"after-media-state-changed";
         return;
     }

     if ([_state isEqualToString:@"before-node-inserted"]) {
         _state = @"after-node-inserted";
         return;
     }

     if ([_state isEqualToString:@"before-node-removed"]) {
         _state = @"after-node-removed";
         return;
     }

     RELEASE_ASSERT_NOT_REACHED();
 }

 @end

 TEST(WKWebViewThemeColor, KVO)
 {
     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     auto blueColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), blueColorComponents));

     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     auto themeColorObserver = adoptNS([[WKWebViewThemeColorObserver alloc] initWithWebView:webView.get()]);
     EXPECT_NSSTRING_EQ("after-init", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);

     [themeColorObserver setState:@"before-load"];
     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red'>"];
     EXPECT_NSSTRING_EQ("after-load", [themeColorObserver state]);
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));

     [themeColorObserver setState:@"before-content-change-invalid"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('content', 'invalid')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-content-change-invalid", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);

     [themeColorObserver setState:@"before-content-change-valid"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('content', 'blue')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-content-change-valid", [themeColorObserver state]);
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

     [themeColorObserver setState:@"before-name-change-not-theme-color"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('name', 'not-theme-color')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-name-change-not-theme-color", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);

     [themeColorObserver setState:@"before-name-change-theme-color"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('name', 'theme-color')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-name-change-theme-color", [themeColorObserver state]);
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

     [themeColorObserver setState:@"before-invalid-media-added"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('media', 'invalid')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-invalid-media-added", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);

     [themeColorObserver setState:@"before-media-changed-valid"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('media', 'screen')"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-media-changed-valid", [themeColorObserver state]);
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

     [themeColorObserver setState:@"before-media-state-changed"];
     [webView setMediaType:@"print"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-media-state-changed", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);

     [themeColorObserver setState:@"before-node-inserted"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').insertAdjacentHTML('beforebegin', \"<meta name='theme-color' content='red'>\")"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-node-inserted", [themeColorObserver state]);
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));

     [themeColorObserver setState:@"before-node-removed"];
     [webView objectByEvaluatingJavaScript:@"document.querySelector('meta').remove()"];
     [webView waitForNextPresentationUpdate];
     EXPECT_NSSTRING_EQ("after-node-removed", [themeColorObserver state]);
     EXPECT_TRUE(![webView themeColor]);
 }

 #if ENABLE(APPLICATION_MANIFEST)

 TEST(WKWebViewThemeColor, ApplicationManifest)
 {
     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));

     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     NSDictionary *manifestObject = @{ @"name": @"Test", @"theme_color": @"red" };
     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:[NSString stringWithFormat:@"<link rel='manifest' href='data:application/manifest+json;charset=utf-8;base64,%@'>", [[NSJSONSerialization dataWithJSONObject:manifestObject options:0 error:nil] base64EncodedStringWithOptions:0]]];

     static bool didGetApplicationManifest = false;
     [webView _getApplicationManifestWithCompletionHandler:[&] (_WKApplicationManifest *manifest) {
         EXPECT_TRUE(CGColorEqualToColor(manifest.themeColor.CGColor, redColor.get()));

         didGetApplicationManifest = true;
     }];
     TestWebKitAPI::Util::run(&didGetApplicationManifest);

     [webView waitForNextPresentationUpdate];
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 TEST(WKWebViewThemeColor, MetaElementOverridesApplicationManifest)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
     EXPECT_TRUE(![webView themeColor]);

     NSDictionary *manifestObject = @{ @"name": @"Test", @"theme_color": @"blue" };
     [webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:[NSString stringWithFormat:@"<link rel='manifest' href='data:application/manifest+json;charset=utf-8;base64,%@'><meta name='theme-color' content='red'>", [[NSJSONSerialization dataWithJSONObject:manifestObject options:0 error:nil] base64EncodedStringWithOptions:0]]];

     auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
     auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
     EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
 }

 #endif // ENABLE(APPLICATION_MANIFEST)
	/*
	* Copyright (C) 2020 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"

	#import "TestCocoa.h"
	#import "TestWKWebView.h"
	#import <WebKit/WKPreferencesPrivate.h>
	#import <WebKit/WKWebViewPrivate.h>
	#import <WebKit/_WKApplicationManifest.h>
	#import <WebKit/_WKInternalDebugFeature.h>
	#import <wtf/RetainPtr.h>

	#define EXPECT_NSSTRING_EQ(expected, actual) \
	EXPECT_TRUE([actual isKindOfClass:[NSString class]]); \
	EXPECT_WK_STREQ(expected, (NSString *)actual);

	TEST(WKWebViewThemeColor, MetaElementValidNameAndColor)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementValidNameAndColorAndMedia)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red' media='screen'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementInvalidName)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='not-theme-color' content='blue'><meta name='theme-color' content='red'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementInvalidColor)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='invalid'><meta name='theme-color' content='red'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementInvalidMedia)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='blue' media='invalid'><meta name='theme-color' content='red' media='screen'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementMultipleValid)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<div><meta name='theme-color' content='red'></div><meta name='theme-color' content='blue'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementValidSubframe)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<iframe srcdoc=\"<meta name='theme-color' content='blue'>\"></iframe><meta name='theme-color' content='red'>"];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	@interface WKWebViewThemeColorObserver : NSObject

	- (instancetype)initWithWebView:(WKWebView *)webView;

	@property (nonatomic, readonly) WKWebView *webView;
	@property (nonatomic, copy) NSString *state;

	@end

	@implementation WKWebViewThemeColorObserver

	- (instancetype)initWithWebView:(WKWebView *)webView
	{
	if (!(self = [super init]))
	return nil;

	_state = @"before-init";

	_webView = webView;
	[_webView addObserver:self forKeyPath:@"themeColor" options:NSKeyValueObservingOptionInitial context:nil];

	return self;
	}

	- (void)observeValueForKeyPath:(NSString )keyPath ofObject:(id)object change:(NSDictionary )change context:(void *)context
	{
	if ([_state isEqualToString:@"before-init"]) {
	_state = @"after-init";
	return;
	}

	if ([_state isEqualToString:@"before-load"]) {
	_state = @"after-load";
	return;
	}

	if ([_state isEqualToString:@"before-content-change-invalid"]) {
	_state = @"after-content-change-invalid";
	return;
	}

	if ([_state isEqualToString:@"before-content-change-valid"]) {
	_state = @"after-content-change-valid";
	return;
	}

	if ([_state isEqualToString:@"before-name-change-not-theme-color"]) {
	_state = @"after-name-change-not-theme-color";
	return;
	}

	if ([_state isEqualToString:@"before-name-change-theme-color"]) {
	_state = @"after-name-change-theme-color";
	return;
	}

	if ([_state isEqualToString:@"before-invalid-media-added"]) {
	_state = @"after-invalid-media-added";
	return;
	}

	if ([_state isEqualToString:@"before-media-changed-valid"]) {
	_state = @"after-media-changed-valid";
	return;
	}

	if ([_state isEqualToString:@"before-media-state-changed"]) {
	_state = @"after-media-state-changed";
	return;
	}

	if ([_state isEqualToString:@"before-node-inserted"]) {
	_state = @"after-node-inserted";
	return;
	}

	if ([_state isEqualToString:@"before-node-removed"]) {
	_state = @"after-node-removed";
	return;
	}

	RELEASE_ASSERT_NOT_REACHED();
	}

	@end

	TEST(WKWebViewThemeColor, KVO)
	{
	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	auto blueColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), blueColorComponents));

	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	auto themeColorObserver = adoptNS([[WKWebViewThemeColorObserver alloc] initWithWebView:webView.get()]);
	EXPECT_NSSTRING_EQ("after-init", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);

	[themeColorObserver setState:@"before-load"];
	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:@"<meta name='theme-color' content='red'>"];
	EXPECT_NSSTRING_EQ("after-load", [themeColorObserver state]);
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));

	[themeColorObserver setState:@"before-content-change-invalid"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('content', 'invalid')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-content-change-invalid", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);

	[themeColorObserver setState:@"before-content-change-valid"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('content', 'blue')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-content-change-valid", [themeColorObserver state]);
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

	[themeColorObserver setState:@"before-name-change-not-theme-color"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('name', 'not-theme-color')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-name-change-not-theme-color", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);

	[themeColorObserver setState:@"before-name-change-theme-color"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('name', 'theme-color')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-name-change-theme-color", [themeColorObserver state]);
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

	[themeColorObserver setState:@"before-invalid-media-added"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('media', 'invalid')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-invalid-media-added", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);

	[themeColorObserver setState:@"before-media-changed-valid"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').setAttribute('media', 'screen')"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-media-changed-valid", [themeColorObserver state]);
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, blueColor.get()));

	[themeColorObserver setState:@"before-media-state-changed"];
	[webView setMediaType:@"print"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-media-state-changed", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);

	[themeColorObserver setState:@"before-node-inserted"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').insertAdjacentHTML('beforebegin', \"<meta name='theme-color' content='red'>\")"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-node-inserted", [themeColorObserver state]);
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));

	[themeColorObserver setState:@"before-node-removed"];
	[webView objectByEvaluatingJavaScript:@"document.querySelector('meta').remove()"];
	[webView waitForNextPresentationUpdate];
	EXPECT_NSSTRING_EQ("after-node-removed", [themeColorObserver state]);
	EXPECT_TRUE(![webView themeColor]);
	}

	#if ENABLE(APPLICATION_MANIFEST)

	TEST(WKWebViewThemeColor, ApplicationManifest)
	{
	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));

	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	NSDictionary *manifestObject = @{ @"name": @"Test", @"theme_color": @"red" };
	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:[NSString stringWithFormat:@"<link rel='manifest' href='data:application/manifest+json;charset=utf-8;base64,%@'>", [[NSJSONSerialization dataWithJSONObject:manifestObject options:0 error:nil] base64EncodedStringWithOptions:0]]];

	static bool didGetApplicationManifest = false;
	[webView _getApplicationManifestWithCompletionHandler:[&] (_WKApplicationManifest *manifest) {
	EXPECT_TRUE(CGColorEqualToColor(manifest.themeColor.CGColor, redColor.get()));

	didGetApplicationManifest = true;
	}];
	TestWebKitAPI::Util::run(&didGetApplicationManifest);

	[webView waitForNextPresentationUpdate];
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	TEST(WKWebViewThemeColor, MetaElementOverridesApplicationManifest)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
	EXPECT_TRUE(![webView themeColor]);

	NSDictionary *manifestObject = @{ @"name": @"Test", @"theme_color": @"blue" };
	[webView synchronouslyLoadHTMLStringAndWaitUntilAllImmediateChildFramesPaint:[NSString stringWithFormat:@"<link rel='manifest' href='data:application/manifest+json;charset=utf-8;base64,%@'><meta name='theme-color' content='red'>", [[NSJSONSerialization dataWithJSONObject:manifestObject options:0 error:nil] base64EncodedStringWithOptions:0]]];

	auto sRGBColorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB));
	auto redColor = adoptCF(CGColorCreate(sRGBColorSpace.get(), redColorComponents));
	EXPECT_TRUE(CGColorEqualToColor([webView themeColor].CGColor, redColor.get()));
	}

	#endif // ENABLE(APPLICATION_MANIFEST)