Tools/TestWebKitAPI/Tests/WebKitCocoa/NowPlayingControlsTests.mm - external/github.com/WebKit/webkit - Git at Google

 /*
  * Copyright (C) 2016-2026 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 "PlatformUtilities.h"
 #import "Test.h"
 #import "TestWKWebView.h"
 #import "WKWebViewConfigurationExtras.h"
 #import <WebKit/WKWebViewConfigurationPrivate.h>
 #import <WebKit/WKWebViewPrivateForTesting.h>
 #import <wtf/cocoa/TypeCastsCocoa.h>

 @interface NowPlayingTestWebView : TestWKWebView
 @property (nonatomic, readonly) BOOL hasActiveNowPlayingSession;
 @property (nonatomic, readonly) BOOL registeredAsNowPlayingApplication;
 @property (readonly) NSString *lastUpdatedTitle;
 @property (readonly) double lastUpdatedDuration;
 @property (readonly) double lastUpdatedElapsedTime;
 @property (readonly) NSInteger lastUniqueIdentifier;
 @property (readonly) NSUInteger lastUpdateTime;
 @end

 @implementation NowPlayingTestWebView {
     bool _receivedNowPlayingInfoResponse;
     BOOL _hasActiveNowPlayingSession;
     BOOL _registeredAsNowPlayingApplication;
 }
 - (void)requestActiveNowPlayingSessionInfo
 {
     _receivedNowPlayingInfoResponse = false;

     auto completionHandler = [retainedSelf = retainPtr(self), self](BOOL active, BOOL registeredAsNowPlayingApplication, NSString *title, double duration, double elapsedTime, NSInteger uniqueIdentifier, NSUInteger updateTime) {
         _hasActiveNowPlayingSession = active;
         _registeredAsNowPlayingApplication = registeredAsNowPlayingApplication;
         _lastUpdatedTitle = [title copy];
         _lastUpdatedDuration = duration;
         _lastUpdatedElapsedTime = elapsedTime;
         _lastUniqueIdentifier = uniqueIdentifier;
         _lastUpdateTime = updateTime;
         _receivedNowPlayingInfoResponse = true;
     };

     [self _requestActiveNowPlayingSessionInfo:completionHandler];

     TestWebKitAPI::Util::run(&_receivedNowPlayingInfoResponse);
 }

 - (void)expectHasActiveNowPlayingSession:(BOOL)hasActiveNowPlayingSession
 {
     [self requestActiveNowPlayingSessionInfo];

     bool finishedWaiting = false;
     while (!finishedWaiting) {
         [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]];
         finishedWaiting = self.hasActiveNowPlayingSession == hasActiveNowPlayingSession;
     }
 }

 - (void)expectRegisteredAsNowPlayingApplication:(BOOL)registeredAsNowPlayingApplication
 {
     [self requestActiveNowPlayingSessionInfo];

     bool finishedWaiting = false;
     while (!finishedWaiting) {
         [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]];
         finishedWaiting = self.registeredAsNowPlayingApplication == registeredAsNowPlayingApplication;
     }
 }

 - (void)setWindowVisible:(BOOL)isVisible
 {
 #if PLATFORM(MAC)
     [self.window setIsVisible:isVisible];
 #else
     self.window.hidden = !isVisible;
 #endif
 }
 @end

 namespace TestWebKitAPI {

 #if PLATFORM(IOS_FAMILY)

 #if PLATFORM(MAC)
 TEST(NowPlayingControlsTests, NowPlayingControlsDoNotShowForForegroundPage)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];
     [webView expectHasActiveNowPlayingSession:YES];

     [webView setWindowVisible:YES];
     [webView.get().window makeKeyWindow];
     [webView expectHasActiveNowPlayingSession:NO];

     ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_EQ(10, webView.get().lastUpdatedDuration);
     ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
 }

 TEST(NowPlayingControlsTests, NowPlayingControlsShowForBackgroundPage)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];
     [webView expectHasActiveNowPlayingSession:YES];

     ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_EQ(10, webView.get().lastUpdatedDuration);
     ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
 }

 #if ENABLE(REQUIRES_PAGE_VISIBILITY_FOR_NOW_PLAYING)
 TEST(NowPlayingControlsTests, NowPlayingApplicationNotRegisteredForBackgroundPage)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     [configuration preferences]._requiresPageVisibilityForVideoToBeNowPlayingForTesting = YES;
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];

     [webView expectRegisteredAsNowPlayingApplication:NO];

     [webView setWindowVisible:YES];
     [webView.get().window makeKeyWindow];

     [webView expectRegisteredAsNowPlayingApplication:YES];

     ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_EQ(10, webView.get().lastUpdatedDuration);
     ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
 }
 #endif // ENABLE(REQUIRES_PAGE_VISIBILITY_FOR_NOW_PLAYING)

 TEST(NowPlayingControlsTests, NowPlayingControlsHideAfterShowingKeepsSessionActive)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];

     [webView expectHasActiveNowPlayingSession:YES];

     [webView setWindowVisible:YES];
     [webView.get().window makeKeyWindow];

     [webView expectHasActiveNowPlayingSession:NO];

     ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_EQ(10, webView.get().lastUpdatedDuration);
     ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
 }

 TEST(NowPlayingControlsTests, NowPlayingControlsClearInfoAfterSessionIsNoLongerValid)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     BOOL initialHasActiveNowPlayingSession = webView.get().hasActiveNowPlayingSession;
     NSString *initialTitle = webView.get().lastUpdatedTitle;
     double initialDuration = webView.get().lastUpdatedDuration;
     double initialElapsedTime = webView.get().lastUpdatedElapsedTime;
     NSInteger initialUniqueIdentifier = webView.get().lastUniqueIdentifier;

     [webView stringByEvaluatingJavaScript:@"document.querySelector('video').muted = true"];
     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];

     while ([[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]) {
         if (initialHasActiveNowPlayingSession != webView.get().hasActiveNowPlayingSession)
             break;

         if (initialUniqueIdentifier != webView.get().lastUniqueIdentifier)
             break;

         if (initialDuration != webView.get().lastUpdatedDuration)
             break;

         if (initialElapsedTime != webView.get().lastUpdatedElapsedTime)
             break;

         if (![initialTitle isEqualToString:webView.get().lastUpdatedTitle])
             break;
     }

     ASSERT_STREQ("", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_TRUE(isnan(webView.get().lastUpdatedDuration));
     ASSERT_TRUE(isnan(webView.get().lastUpdatedElapsedTime));
     ASSERT_TRUE(!webView.get().lastUniqueIdentifier);
 }

 TEST(NowPlayingControlsTests, NowPlayingControlsCheckRegistered)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];
     [webView setWindowVisible:NO];
     [webView.get().window resignKeyWindow];

     [webView expectHasActiveNowPlayingSession:YES];
     ASSERT_TRUE(webView.get().registeredAsNowPlayingApplication);

     [webView stringByEvaluatingJavaScript:@"pause()"];
     [webView waitForMessage:@"paused"];
     [webView expectHasActiveNowPlayingSession:YES];
     ASSERT_TRUE(webView.get().registeredAsNowPlayingApplication);

     auto result = [webView stringByEvaluatingJavaScript:@"removeVideoElement()"];
     ASSERT_STREQ("<null>", result.UTF8String);
     [webView expectHasActiveNowPlayingSession:NO];
     ASSERT_FALSE(webView.get().registeredAsNowPlayingApplication);
 }

 #endif // PLATFORM(MAC)

 // FIXME: Re-enable this test once <webkit.org/b/175204> is resolved.
 TEST(NowPlayingControlsTests, DISABLED_NowPlayingControlsIOS)
 {
     auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);
     [webView loadTestPageNamed:@"large-video-test-now-playing"];
     [webView waitForMessage:@"playing"];

     [webView expectHasActiveNowPlayingSession:YES];
     ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
     ASSERT_EQ(10, webView.get().lastUpdatedDuration);
     ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
 }
 #endif

 TEST(NowPlayingControlsTests, LazyRegisterAsNowPlayingApplication)
 {
     auto configuration = retainPtr([WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"WebProcessPlugInWithInternals" configureJSCForTesting:YES]);
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
     [webView synchronouslyLoadHTMLString:@"<body>Hello world</body>"];

     auto haveMediaSessionManager = [&] {
         return [webView stringByEvaluatingJavaScript:@"window.internals.hasMediaSessionManager"].boolValue;
     };

     [webView expectRegisteredAsNowPlayingApplication:NO];
     ASSERT_FALSE(haveMediaSessionManager());

     [webView setWindowVisible:NO];
     [webView expectRegisteredAsNowPlayingApplication:NO];
     ASSERT_FALSE(haveMediaSessionManager());

     [webView setWindowVisible:YES];
     [webView expectRegisteredAsNowPlayingApplication:NO];
     ASSERT_FALSE(haveMediaSessionManager());
 }

 TEST(NowPlayingControlsTests, DISABLED_NowPlayingUpdatesThrottled)
 {
     struct NowPlayingState {
         NowPlayingState(NowPlayingTestWebView *webView)
         {
             [webView requestActiveNowPlayingSessionInfo];
             hasActiveNowPlayingSession = [webView hasActiveNowPlayingSession];
             registeredAsNowPlayingApplication = [webView registeredAsNowPlayingApplication];
             title = [webView lastUpdatedTitle];
             duration = [webView lastUpdatedDuration];
             elapsedTime = [webView lastUpdatedElapsedTime];
             uniqueIdentifier = [webView lastUniqueIdentifier];
             updateTime = [webView lastUpdateTime];
         }
         NowPlayingState() = default;

         bool operator==(const NowPlayingState&) const = default;

         bool hasActiveNowPlayingSession { false };
         bool registeredAsNowPlayingApplication { false };
         String title;
         double duration { 0 };
         double elapsedTime { 0 };
         long uniqueIdentifier { 0 };
         unsigned long updateTime { 0 };
     };

     auto configuration = retainPtr([WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"WebProcessPlugInWithInternals" configureJSCForTesting:YES]);
     [configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
     auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);

     constexpr double internalTestTimout = 20;
     auto waitForMessageOrTimeout = [&] (const char* eventName) -> bool {
         __block bool receivedEvent = false;
         [webView performAfterReceivingMessage:[NSString stringWithUTF8String:eventName] action:^{ receivedEvent = true; }];

         NSDate *startTime = [NSDate date];
         while (!receivedEvent && [[NSDate date] timeIntervalSinceDate:startTime] < internalTestTimout)
             TestWebKitAPI::Util::runFor(0.05_s);

         return receivedEvent;
     };

     [webView loadTestPageNamed:@"small-video-test-now-playing"];
     ASSERT_TRUE(waitForMessageOrTimeout("ready"));

     auto videoError = [webView stringByEvaluatingJavaScript:@"videoError()"];
     ASSERT_STREQ("null", videoError.UTF8String);

     constexpr double initialTime = 3;
     NSError *error;
     id result = [webView objectByCallingAsyncFunction:[NSString stringWithFormat:@"play(%f)", initialTime] withArguments:nil error:&error];
     EXPECT_NULL(error);
     EXPECT_EQ(result, nil);
     ASSERT_TRUE(waitForMessageOrTimeout("playing"));

     videoError = [webView stringByEvaluatingJavaScript:@"videoError()"];
     ASSERT_STREQ("null", videoError.UTF8String);

     constexpr double impossibleUpdateInterval = 10.;
     [webView stringByEvaluatingJavaScript:[NSString stringWithFormat:@"window.internals.nowPlayingUpdateInterval = %f", impossibleUpdateInterval]];
     auto actualInterval = [[webView stringByEvaluatingJavaScript:@"window.internals.nowPlayingUpdateInterval"] doubleValue];
     EXPECT_LT(actualInterval, impossibleUpdateInterval);

     constexpr double updateInterval = 0.5;
     [webView stringByEvaluatingJavaScript:[NSString stringWithFormat:@"window.internals.nowPlayingUpdateInterval = %f", updateInterval]];
     actualInterval = [[webView stringByEvaluatingJavaScript:@"window.internals.nowPlayingUpdateInterval"] doubleValue];
     EXPECT_EQ(updateInterval, actualInterval);

     NowPlayingState initialState;
     NowPlayingState previousState;
     NSDate *startTime = [NSDate date];
     bool videoLooped = false;
     while ([[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]) {

         if ([[NSDate date] timeIntervalSinceDate:startTime] > internalTestTimout)
             break;

         NowPlayingState currentState(webView.get());
         if (!initialState.elapsedTime) {
             initialState = currentState;
             previousState = initialState;
             continue;
         }

         if (currentState.elapsedTime && currentState.elapsedTime < initialTime) {
             videoLooped = true;
             break;
         }

         if (previousState.updateTime == currentState.updateTime) {
             ASSERT_TRUE(previousState == currentState);
             continue;
         }

         auto stateOtherThanUpdateTimeHasChanged = [&] {
             if (initialState.hasActiveNowPlayingSession != currentState.hasActiveNowPlayingSession)
                 return true;
             if (initialState.registeredAsNowPlayingApplication != currentState.registeredAsNowPlayingApplication)
                 return true;
             if (initialState.title != currentState.title)
                 return true;
             if (initialState.duration != currentState.duration)
                 return true;
             if (initialState.elapsedTime != currentState.elapsedTime)
                 return true;
             if (initialState.uniqueIdentifier != currentState.uniqueIdentifier)
                 return true;

             return false;
         };
         ASSERT_TRUE(stateOtherThanUpdateTimeHasChanged());
         previousState = currentState;
     }

     ASSERT_TRUE(videoLooped);

     [webView stringByEvaluatingJavaScript:@"pause()"];
 }

 } // namespace TestWebKitAPI
	/*
	* Copyright (C) 2016-2026 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 "PlatformUtilities.h"
	#import "Test.h"
	#import "TestWKWebView.h"
	#import "WKWebViewConfigurationExtras.h"
	#import <WebKit/WKWebViewConfigurationPrivate.h>
	#import <WebKit/WKWebViewPrivateForTesting.h>
	#import <wtf/cocoa/TypeCastsCocoa.h>

	@interface NowPlayingTestWebView : TestWKWebView
	@property (nonatomic, readonly) BOOL hasActiveNowPlayingSession;
	@property (nonatomic, readonly) BOOL registeredAsNowPlayingApplication;
	@property (readonly) NSString *lastUpdatedTitle;
	@property (readonly) double lastUpdatedDuration;
	@property (readonly) double lastUpdatedElapsedTime;
	@property (readonly) NSInteger lastUniqueIdentifier;
	@property (readonly) NSUInteger lastUpdateTime;
	@end

	@implementation NowPlayingTestWebView {
	bool _receivedNowPlayingInfoResponse;
	BOOL _hasActiveNowPlayingSession;
	BOOL _registeredAsNowPlayingApplication;
	}
	- (void)requestActiveNowPlayingSessionInfo
	{
	_receivedNowPlayingInfoResponse = false;

	auto completionHandler = [retainedSelf = retainPtr(self), self](BOOL active, BOOL registeredAsNowPlayingApplication, NSString *title, double duration, double elapsedTime, NSInteger uniqueIdentifier, NSUInteger updateTime) {
	_hasActiveNowPlayingSession = active;
	_registeredAsNowPlayingApplication = registeredAsNowPlayingApplication;
	_lastUpdatedTitle = [title copy];
	_lastUpdatedDuration = duration;
	_lastUpdatedElapsedTime = elapsedTime;
	_lastUniqueIdentifier = uniqueIdentifier;
	_lastUpdateTime = updateTime;
	_receivedNowPlayingInfoResponse = true;
	};

	[self _requestActiveNowPlayingSessionInfo:completionHandler];

	TestWebKitAPI::Util::run(&_receivedNowPlayingInfoResponse);
	}

	- (void)expectHasActiveNowPlayingSession:(BOOL)hasActiveNowPlayingSession
	{
	[self requestActiveNowPlayingSessionInfo];

	bool finishedWaiting = false;
	while (!finishedWaiting) {
	[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]];
	finishedWaiting = self.hasActiveNowPlayingSession == hasActiveNowPlayingSession;
	}
	}

	- (void)expectRegisteredAsNowPlayingApplication:(BOOL)registeredAsNowPlayingApplication
	{
	[self requestActiveNowPlayingSessionInfo];

	bool finishedWaiting = false;
	while (!finishedWaiting) {
	[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]];
	finishedWaiting = self.registeredAsNowPlayingApplication == registeredAsNowPlayingApplication;
	}
	}

	- (void)setWindowVisible:(BOOL)isVisible
	{
	#if PLATFORM(MAC)
	[self.window setIsVisible:isVisible];
	#else
	self.window.hidden = !isVisible;
	#endif
	}
	@end

	namespace TestWebKitAPI {

	#if PLATFORM(IOS_FAMILY)

	#if PLATFORM(MAC)
	TEST(NowPlayingControlsTests, NowPlayingControlsDoNotShowForForegroundPage)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];
	[webView expectHasActiveNowPlayingSession:YES];

	[webView setWindowVisible:YES];
	[webView.get().window makeKeyWindow];
	[webView expectHasActiveNowPlayingSession:NO];

	ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_EQ(10, webView.get().lastUpdatedDuration);
	ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
	}

	TEST(NowPlayingControlsTests, NowPlayingControlsShowForBackgroundPage)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];
	[webView expectHasActiveNowPlayingSession:YES];

	ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_EQ(10, webView.get().lastUpdatedDuration);
	ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
	}

	#if ENABLE(REQUIRES_PAGE_VISIBILITY_FOR_NOW_PLAYING)
	TEST(NowPlayingControlsTests, NowPlayingApplicationNotRegisteredForBackgroundPage)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	[configuration preferences]._requiresPageVisibilityForVideoToBeNowPlayingForTesting = YES;
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];

	[webView expectRegisteredAsNowPlayingApplication:NO];

	[webView setWindowVisible:YES];
	[webView.get().window makeKeyWindow];

	[webView expectRegisteredAsNowPlayingApplication:YES];

	ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_EQ(10, webView.get().lastUpdatedDuration);
	ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
	}
	#endif // ENABLE(REQUIRES_PAGE_VISIBILITY_FOR_NOW_PLAYING)

	TEST(NowPlayingControlsTests, NowPlayingControlsHideAfterShowingKeepsSessionActive)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];

	[webView expectHasActiveNowPlayingSession:YES];

	[webView setWindowVisible:YES];
	[webView.get().window makeKeyWindow];

	[webView expectHasActiveNowPlayingSession:NO];

	ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_EQ(10, webView.get().lastUpdatedDuration);
	ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
	}

	TEST(NowPlayingControlsTests, NowPlayingControlsClearInfoAfterSessionIsNoLongerValid)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	BOOL initialHasActiveNowPlayingSession = webView.get().hasActiveNowPlayingSession;
	NSString *initialTitle = webView.get().lastUpdatedTitle;
	double initialDuration = webView.get().lastUpdatedDuration;
	double initialElapsedTime = webView.get().lastUpdatedElapsedTime;
	NSInteger initialUniqueIdentifier = webView.get().lastUniqueIdentifier;

	[webView stringByEvaluatingJavaScript:@"document.querySelector('video').muted = true"];
	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];

	while ([[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]) {
	if (initialHasActiveNowPlayingSession != webView.get().hasActiveNowPlayingSession)
	break;

	if (initialUniqueIdentifier != webView.get().lastUniqueIdentifier)
	break;

	if (initialDuration != webView.get().lastUpdatedDuration)
	break;

	if (initialElapsedTime != webView.get().lastUpdatedElapsedTime)
	break;

	if (![initialTitle isEqualToString:webView.get().lastUpdatedTitle])
	break;
	}

	ASSERT_STREQ("", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_TRUE(isnan(webView.get().lastUpdatedDuration));
	ASSERT_TRUE(isnan(webView.get().lastUpdatedElapsedTime));
	ASSERT_TRUE(!webView.get().lastUniqueIdentifier);
	}

	TEST(NowPlayingControlsTests, NowPlayingControlsCheckRegistered)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];
	[webView setWindowVisible:NO];
	[webView.get().window resignKeyWindow];

	[webView expectHasActiveNowPlayingSession:YES];
	ASSERT_TRUE(webView.get().registeredAsNowPlayingApplication);

	[webView stringByEvaluatingJavaScript:@"pause()"];
	[webView waitForMessage:@"paused"];
	[webView expectHasActiveNowPlayingSession:YES];
	ASSERT_TRUE(webView.get().registeredAsNowPlayingApplication);

	auto result = [webView stringByEvaluatingJavaScript:@"removeVideoElement()"];
	ASSERT_STREQ("<null>", result.UTF8String);
	[webView expectHasActiveNowPlayingSession:NO];
	ASSERT_FALSE(webView.get().registeredAsNowPlayingApplication);
	}

	#endif // PLATFORM(MAC)

	// FIXME: Re-enable this test once <webkit.org/b/175204> is resolved.
	TEST(NowPlayingControlsTests, DISABLED_NowPlayingControlsIOS)
	{
	auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);
	[webView loadTestPageNamed:@"large-video-test-now-playing"];
	[webView waitForMessage:@"playing"];

	[webView expectHasActiveNowPlayingSession:YES];
	ASSERT_STREQ("foo", webView.get().lastUpdatedTitle.UTF8String);
	ASSERT_EQ(10, webView.get().lastUpdatedDuration);
	ASSERT_GE(webView.get().lastUpdatedElapsedTime, 0);
	}
	#endif

	TEST(NowPlayingControlsTests, LazyRegisterAsNowPlayingApplication)
	{
	auto configuration = retainPtr([WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"WebProcessPlugInWithInternals" configureJSCForTesting:YES]);
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
	[webView synchronouslyLoadHTMLString:@"<body>Hello world</body>"];

	auto haveMediaSessionManager = [&] {
	return [webView stringByEvaluatingJavaScript:@"window.internals.hasMediaSessionManager"].boolValue;
	};

	[webView expectRegisteredAsNowPlayingApplication:NO];
	ASSERT_FALSE(haveMediaSessionManager());

	[webView setWindowVisible:NO];
	[webView expectRegisteredAsNowPlayingApplication:NO];
	ASSERT_FALSE(haveMediaSessionManager());

	[webView setWindowVisible:YES];
	[webView expectRegisteredAsNowPlayingApplication:NO];
	ASSERT_FALSE(haveMediaSessionManager());
	}

	TEST(NowPlayingControlsTests, DISABLED_NowPlayingUpdatesThrottled)
	{
	struct NowPlayingState {
	NowPlayingState(NowPlayingTestWebView *webView)
	{
	[webView requestActiveNowPlayingSessionInfo];
	hasActiveNowPlayingSession = [webView hasActiveNowPlayingSession];
	registeredAsNowPlayingApplication = [webView registeredAsNowPlayingApplication];
	title = [webView lastUpdatedTitle];
	duration = [webView lastUpdatedDuration];
	elapsedTime = [webView lastUpdatedElapsedTime];
	uniqueIdentifier = [webView lastUniqueIdentifier];
	updateTime = [webView lastUpdateTime];
	}
	NowPlayingState() = default;

	bool operator==(const NowPlayingState&) const = default;

	bool hasActiveNowPlayingSession { false };
	bool registeredAsNowPlayingApplication { false };
	String title;
	double duration { 0 };
	double elapsedTime { 0 };
	long uniqueIdentifier { 0 };
	unsigned long updateTime { 0 };
	};

	auto configuration = retainPtr([WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"WebProcessPlugInWithInternals" configureJSCForTesting:YES]);
	[configuration setMediaTypesRequiringUserActionForPlayback:WKAudiovisualMediaTypeNone];
	auto webView = adoptNS([[NowPlayingTestWebView alloc] initWithFrame:NSMakeRect(0, 0, 480, 320) configuration:configuration.get()]);

	constexpr double internalTestTimout = 20;
	auto waitForMessageOrTimeout = [&] (const char* eventName) -> bool {
	__block bool receivedEvent = false;
	[webView performAfterReceivingMessage:[NSString stringWithUTF8String:eventName] action:^{ receivedEvent = true; }];

	NSDate *startTime = [NSDate date];
	while (!receivedEvent && [[NSDate date] timeIntervalSinceDate:startTime] < internalTestTimout)
	TestWebKitAPI::Util::runFor(0.05_s);

	return receivedEvent;
	};

	[webView loadTestPageNamed:@"small-video-test-now-playing"];
	ASSERT_TRUE(waitForMessageOrTimeout("ready"));

	auto videoError = [webView stringByEvaluatingJavaScript:@"videoError()"];
	ASSERT_STREQ("null", videoError.UTF8String);

	constexpr double initialTime = 3;
	NSError *error;
	id result = [webView objectByCallingAsyncFunction:[NSString stringWithFormat:@"play(%f)", initialTime] withArguments:nil error:&error];
	EXPECT_NULL(error);
	EXPECT_EQ(result, nil);
	ASSERT_TRUE(waitForMessageOrTimeout("playing"));

	videoError = [webView stringByEvaluatingJavaScript:@"videoError()"];
	ASSERT_STREQ("null", videoError.UTF8String);

	constexpr double impossibleUpdateInterval = 10.;
	[webView stringByEvaluatingJavaScript:[NSString stringWithFormat:@"window.internals.nowPlayingUpdateInterval = %f", impossibleUpdateInterval]];
	auto actualInterval = [[webView stringByEvaluatingJavaScript:@"window.internals.nowPlayingUpdateInterval"] doubleValue];
	EXPECT_LT(actualInterval, impossibleUpdateInterval);

	constexpr double updateInterval = 0.5;
	[webView stringByEvaluatingJavaScript:[NSString stringWithFormat:@"window.internals.nowPlayingUpdateInterval = %f", updateInterval]];
	actualInterval = [[webView stringByEvaluatingJavaScript:@"window.internals.nowPlayingUpdateInterval"] doubleValue];
	EXPECT_EQ(updateInterval, actualInterval);

	NowPlayingState initialState;
	NowPlayingState previousState;
	NSDate *startTime = [NSDate date];
	bool videoLooped = false;
	while ([[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]) {

	if ([[NSDate date] timeIntervalSinceDate:startTime] > internalTestTimout)
	break;

	NowPlayingState currentState(webView.get());
	if (!initialState.elapsedTime) {
	initialState = currentState;
	previousState = initialState;
	continue;
	}

	if (currentState.elapsedTime && currentState.elapsedTime < initialTime) {
	videoLooped = true;
	break;
	}

	if (previousState.updateTime == currentState.updateTime) {
	ASSERT_TRUE(previousState == currentState);
	continue;
	}

	auto stateOtherThanUpdateTimeHasChanged = [&] {
	if (initialState.hasActiveNowPlayingSession != currentState.hasActiveNowPlayingSession)
	return true;
	if (initialState.registeredAsNowPlayingApplication != currentState.registeredAsNowPlayingApplication)
	return true;
	if (initialState.title != currentState.title)
	return true;
	if (initialState.duration != currentState.duration)
	return true;
	if (initialState.elapsedTime != currentState.elapsedTime)
	return true;
	if (initialState.uniqueIdentifier != currentState.uniqueIdentifier)
	return true;

	return false;
	};
	ASSERT_TRUE(stateOtherThanUpdateTimeHasChanged());
	previousState = currentState;
	}

	ASSERT_TRUE(videoLooped);

	[webView stringByEvaluatingJavaScript:@"pause()"];
	}

	} // namespace TestWebKitAPI