Title: [261001] trunk
Revision
261001
Author
peng.l...@apple.com
Date
2020-05-01 09:17:16 -0700 (Fri, 01 May 2020)

Log Message

A PiP window doesn’t actually dismiss after the browser navigates to a different page within the same domain
https://bugs.webkit.org/show_bug.cgi?id=211257

Reviewed by Jer Noble.

Source/WebCore:

When we suspend a video element (this will happen when the browser is navigating to another page
within the same domain), we need to request the corresponding video to exit fullscreen/PiP.
The operation should be done immediately because the video element won't response to events
after it is suspended.

In r259095, we hold the start of exiting video fullscreen/PiP in HTMLMediaElement::exitFullscreen()
until the "webkitendfullscreen" event is dispatched/handled. This behavior does not work if
the video element is going to be suspended because the exiting fullscreen operation will be held
until the video element is resumed. Therefore, we need to handle that case separately by exiting
video fullscreen/PiP immediately.

API test: PictureInPicture.ExitPiPOnSuspendVideoElement

* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::exitFullscreen):
* platform/ios/VideoFullscreenInterfaceAVKit.mm:
(VideoFullscreenInterfaceAVKit::exitFullscreen):

Source/WebKit:

Add the support of exitVideoFullscreenToModeWithoutAnimation() in iOS,
so that the Web process can request the UI process to close the PiP window
without exchanging IPC messages back and forth.

* UIProcess/Cocoa/VideoFullscreenManagerProxy.h:
* UIProcess/Cocoa/VideoFullscreenManagerProxy.messages.in:
* UIProcess/Cocoa/VideoFullscreenManagerProxy.mm:
(WebKit::VideoFullscreenManagerProxy::exitFullscreenWithoutAnimationToMode):
* WebProcess/WebCoreSupport/WebChromeClient.cpp:
* WebProcess/WebCoreSupport/WebChromeClient.h:

Only stop the watchdog timer if it is active.
* WebProcess/cocoa/VideoFullscreenManager.mm:
(WebKit::VideoFullscreenManager::exitVideoFullscreenToModeWithoutAnimation):

Tools:

* TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
* TestWebKitAPI/Tests/WebKit/AGXCompilerService.mm:
(TEST):
* TestWebKitAPI/Tests/WebKitCocoa/ExitPiPOnSuspendVideoElement.mm: Added.
(-[ExitPiPOnSuspendVideoElementUIDelegate _webView:hasVideoInPictureInPictureDidChange:]):
(TestWebKitAPI::TEST):

Modified Paths

Added Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (261000 => 261001)


--- trunk/Source/WebCore/ChangeLog	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebCore/ChangeLog	2020-05-01 16:17:16 UTC (rev 261001)
@@ -1,3 +1,28 @@
+2020-05-01  Peng Liu  <peng.l...@apple.com>
+
+        A PiP window doesn’t actually dismiss after the browser navigates to a different page within the same domain
+        https://bugs.webkit.org/show_bug.cgi?id=211257
+
+        Reviewed by Jer Noble.
+
+        When we suspend a video element (this will happen when the browser is navigating to another page
+        within the same domain), we need to request the corresponding video to exit fullscreen/PiP.
+        The operation should be done immediately because the video element won't response to events
+        after it is suspended.
+
+        In r259095, we hold the start of exiting video fullscreen/PiP in HTMLMediaElement::exitFullscreen()
+        until the "webkitendfullscreen" event is dispatched/handled. This behavior does not work if
+        the video element is going to be suspended because the exiting fullscreen operation will be held
+        until the video element is resumed. Therefore, we need to handle that case separately by exiting
+        video fullscreen/PiP immediately.
+
+        API test: PictureInPicture.ExitPiPOnSuspendVideoElement
+
+        * html/HTMLMediaElement.cpp:
+        (WebCore::HTMLMediaElement::exitFullscreen):
+        * platform/ios/VideoFullscreenInterfaceAVKit.mm:
+        (VideoFullscreenInterfaceAVKit::exitFullscreen):
+
 2020-05-01  Zalan Bujtas  <za...@apple.com>
 
         [LFC][TFC] Introduce struct RowHeight in TableFormattingContext::computeAndDistributeExtraVerticalSpace

Modified: trunk/Source/WebCore/html/HTMLMediaElement.cpp (261000 => 261001)


--- trunk/Source/WebCore/html/HTMLMediaElement.cpp	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebCore/html/HTMLMediaElement.cpp	2020-05-01 16:17:16 UTC (rev 261001)
@@ -6056,14 +6056,10 @@
         }
     }
 
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
     if (document().activeDOMObjectsAreSuspended() || document().activeDOMObjectsAreStopped()) {
         fullscreenModeChanged(VideoFullscreenModeNone);
         document().page()->chrome().client().exitVideoFullscreenToModeWithoutAnimation(downcast<HTMLVideoElement>(*this), VideoFullscreenModeNone);
-    }
-    else
-#endif
-    if (document().page()->chrome().client().supportsVideoFullscreen(oldVideoFullscreenMode)) {
+    } else if (document().page()->chrome().client().supportsVideoFullscreen(oldVideoFullscreenMode)) {
         if (m_videoFullscreenStandby) {
             fullscreenModeChanged(VideoFullscreenModeNone);
             document().page()->chrome().client().enterVideoFullscreenForVideoElement(downcast<HTMLVideoElement>(*this), m_videoFullscreenMode, m_videoFullscreenStandby);

Modified: trunk/Source/WebCore/platform/ios/VideoFullscreenInterfaceAVKit.mm (261000 => 261001)


--- trunk/Source/WebCore/platform/ios/VideoFullscreenInterfaceAVKit.mm	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebCore/platform/ios/VideoFullscreenInterfaceAVKit.mm	2020-05-01 16:17:16 UTC (rev 261001)
@@ -911,7 +911,8 @@
 
 void VideoFullscreenInterfaceAVKit::exitFullscreen(const IntRect& finalRect)
 {
-    m_watchdogTimer.stop();
+    if (m_watchdogTimer.isActive())
+        m_watchdogTimer.stop();
 
     m_targetMode = HTMLMediaElementEnums::VideoFullscreenModeNone;
 

Modified: trunk/Source/WebKit/ChangeLog (261000 => 261001)


--- trunk/Source/WebKit/ChangeLog	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/ChangeLog	2020-05-01 16:17:16 UTC (rev 261001)
@@ -1,3 +1,25 @@
+2020-05-01  Peng Liu  <peng.l...@apple.com>
+
+        A PiP window doesn’t actually dismiss after the browser navigates to a different page within the same domain
+        https://bugs.webkit.org/show_bug.cgi?id=211257
+
+        Reviewed by Jer Noble.
+
+        Add the support of exitVideoFullscreenToModeWithoutAnimation() in iOS,
+        so that the Web process can request the UI process to close the PiP window
+        without exchanging IPC messages back and forth.
+
+        * UIProcess/Cocoa/VideoFullscreenManagerProxy.h:
+        * UIProcess/Cocoa/VideoFullscreenManagerProxy.messages.in:
+        * UIProcess/Cocoa/VideoFullscreenManagerProxy.mm:
+        (WebKit::VideoFullscreenManagerProxy::exitFullscreenWithoutAnimationToMode):
+        * WebProcess/WebCoreSupport/WebChromeClient.cpp:
+        * WebProcess/WebCoreSupport/WebChromeClient.h:
+
+        Only stop the watchdog timer if it is active.
+        * WebProcess/cocoa/VideoFullscreenManager.mm:
+        (WebKit::VideoFullscreenManager::exitVideoFullscreenToModeWithoutAnimation):
+
 2020-05-01  Commit Queue  <commit-qu...@webkit.org>
 
         Unreviewed, reverting r260920.

Modified: trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.h (261000 => 261001)


--- trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.h	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.h	2020-05-01 16:17:16 UTC (rev 261001)
@@ -132,9 +132,7 @@
 
     void requestRouteSharingPolicyAndContextUID(uint64_t contextId, CompletionHandler<void(WebCore::RouteSharingPolicy, String)>&&);
 
-#if ENABLE(VIDEO_PRESENTATION_MODE)
     bool isPlayingVideoInEnhancedFullscreen() const;
-#endif
 
     PlatformVideoFullscreenInterface* controlsManagerInterface();
 
@@ -165,9 +163,7 @@
     void cleanupFullscreen(uint64_t contextId);
     void preparedToReturnToInline(uint64_t contextId, bool visible, WebCore::IntRect inlineRect);
     void preparedToExitFullscreen(uint64_t contextId);
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
     void exitFullscreenWithoutAnimationToMode(uint64_t contextId, WebCore::HTMLMediaElementEnums::VideoFullscreenMode);
-#endif
 
     // Messages to VideoFullscreenManager
     void requestFullscreenMode(uint64_t contextId, WebCore::HTMLMediaElementEnums::VideoFullscreenMode, bool finishedWithMedia = false);

Modified: trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.messages.in (261000 => 261001)


--- trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.messages.in	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.messages.in	2020-05-01 16:17:16 UTC (rev 261001)
@@ -32,8 +32,6 @@
     CleanupFullscreen(uint64_t contextId)
     PreparedToReturnToInline(uint64_t contextId, bool visible, WebCore::IntRect inlineRect)
     PreparedToExitFullscreen(uint64_t contextId)
-#if PLATFORM(MAC)
     ExitFullscreenWithoutAnimationToMode(uint64_t contextId, WebCore::HTMLMediaElementEnums::VideoFullscreenMode videoFullscreenMode)
-#endif
 }
 #endif

Modified: trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm (261000 => 261001)


--- trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm	2020-05-01 16:17:16 UTC (rev 261001)
@@ -572,13 +572,20 @@
 #endif
 }
 
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
 void VideoFullscreenManagerProxy::exitFullscreenWithoutAnimationToMode(uint64_t contextId, WebCore::HTMLMediaElementEnums::VideoFullscreenMode targetMode)
 {
     MESSAGE_CHECK_CONTEXTID(contextId);
+#if PLATFORM(MAC)
     ensureInterface(contextId).exitFullscreenWithoutAnimationToMode(targetMode);
+#else
+    auto& [model, interface] = ensureModelAndInterface(contextId);
+    interface->invalidate();
+    [model->layerHostView() removeFromSuperview];
+    model->setLayerHostView(nullptr);
+    removeClientForContext(contextId);
+    m_page->uiClient().hasVideoInPictureInPictureDidChange(m_page, targetMode & MediaPlayerEnums::VideoFullscreenModePictureInPicture);
+#endif
 }
-#endif
 
 #if PLATFORM(IOS_FAMILY)
 

Modified: trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp (261000 => 261001)


--- trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp	2020-05-01 16:17:16 UTC (rev 261001)
@@ -1030,7 +1030,7 @@
 }
 #endif // ENABLE(MEDIA_USAGE)
 
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
+#if ENABLE(VIDEO_PRESENTATION_MODE)
 
 void WebChromeClient::exitVideoFullscreenToModeWithoutAnimation(HTMLVideoElement& videoElement, HTMLMediaElementEnums::VideoFullscreenMode targetMode)
 {

Modified: trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.h (261000 => 261001)


--- trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.h	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.h	2020-05-01 16:17:16 UTC (rev 261001)
@@ -276,7 +276,7 @@
     void removeMediaUsageManagerSession(WebCore::MediaSessionIdentifier) final;
 #endif
 
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
+#if ENABLE(VIDEO_PRESENTATION_MODE)
     void exitVideoFullscreenToModeWithoutAnimation(WebCore::HTMLVideoElement&, WebCore::HTMLMediaElementEnums::VideoFullscreenMode) final;
 #endif
 

Modified: trunk/Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm (261000 => 261001)


--- trunk/Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm	2020-05-01 16:17:16 UTC (rev 261001)
@@ -308,7 +308,6 @@
 {
     LOG(Fullscreen, "VideoFullscreenManager::exitVideoFullscreenToModeWithoutAnimation(%p)", this);
 
-#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
     ASSERT(m_page);
     ASSERT(m_videoElements.contains(&videoElement));
 
@@ -318,10 +317,6 @@
     interface.setTargetIsFullscreen(false);
 
     m_page->send(Messages::VideoFullscreenManagerProxy::ExitFullscreenWithoutAnimationToMode(contextId, targetMode));
-#else
-    UNUSED_PARAM(videoElement);
-    UNUSED_PARAM(targetMode);
-#endif
 }
 
 #pragma mark Interface to VideoFullscreenInterfaceContext:

Modified: trunk/Tools/ChangeLog (261000 => 261001)


--- trunk/Tools/ChangeLog	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Tools/ChangeLog	2020-05-01 16:17:16 UTC (rev 261001)
@@ -1,3 +1,17 @@
+2020-05-01  Peng Liu  <peng.l...@apple.com>
+
+        A PiP window doesn’t actually dismiss after the browser navigates to a different page within the same domain
+        https://bugs.webkit.org/show_bug.cgi?id=211257
+
+        Reviewed by Jer Noble.
+
+        * TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
+        * TestWebKitAPI/Tests/WebKit/AGXCompilerService.mm:
+        (TEST):
+        * TestWebKitAPI/Tests/WebKitCocoa/ExitPiPOnSuspendVideoElement.mm: Added.
+        (-[ExitPiPOnSuspendVideoElementUIDelegate _webView:hasVideoInPictureInPictureDidChange:]):
+        (TestWebKitAPI::TEST):
+
 2020-05-01  Jonathan Bedard  <jbed...@apple.com>
 
         results.webkit.org: Dropped connections when uploading archives shouldn't be fatal

Modified: trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj (261000 => 261001)


--- trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj	2020-05-01 15:34:33 UTC (rev 261000)
+++ trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj	2020-05-01 16:17:16 UTC (rev 261001)
@@ -113,6 +113,7 @@
 		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 */; };
+		1D12BEC0245BEF85004C0B7A /* ExitPiPOnSuspendVideoElement.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1D12BEBF245BEF85004C0B7A /* ExitPiPOnSuspendVideoElement.mm */; };
 		1D67BFDC2433E0A7006B5047 /* PreemptVideoFullscreen.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1D67BFDB2433E0A7006B5047 /* PreemptVideoFullscreen.mm */; };
 		1D67BFDD2433EE66006B5047 /* two-videos.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 1D67BFD92433DFD8006B5047 /* two-videos.html */; };
 		1DAA52CC243BE805001A3159 /* one-video.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 1DAA52CB243BE621001A3159 /* one-video.html */; };
@@ -1681,6 +1682,7 @@
 		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>"; };
+		1D12BEBF245BEF85004C0B7A /* ExitPiPOnSuspendVideoElement.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = ExitPiPOnSuspendVideoElement.mm; sourceTree = "<group>"; };
 		1D67BFD92433DFD8006B5047 /* two-videos.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = "two-videos.html"; sourceTree = "<group>"; };
 		1D67BFDB2433E0A7006B5047 /* PreemptVideoFullscreen.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = PreemptVideoFullscreen.mm; sourceTree = "<group>"; };
 		1DAA52CB243BE621001A3159 /* one-video.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = "one-video.html"; sourceTree = "<group>"; };
@@ -3058,6 +3060,7 @@
 				A15502281E05020B00A24C57 /* DuplicateCompletionHandlerCalls.mm */,
 				F44D06461F395C4D001A0E29 /* EditorStateTests.mm */,
 				CDA29B2820FD2A9900F15CED /* ExitFullscreenOnEnterPiP.mm */,
+				1D12BEBF245BEF85004C0B7A /* ExitPiPOnSuspendVideoElement.mm */,
 				2D8104CB1BEC13E70020DA46 /* FindInPage.mm */,
 				51242CD42374E61E00EED9C1 /* FindInPageAPI.mm */,
 				118153472208BADF00B2CCD2 /* FirstVisuallyNonEmptyMilestone.mm */,
@@ -4873,6 +4876,7 @@
 				7CCE7EF01A411AE600447C4C /* EvaluateJavaScript.cpp in Sources */,
 				5C7964101EB0278D0075D74C /* EventModifiers.cpp in Sources */,
 				CDA29B2920FD2A9900F15CED /* ExitFullscreenOnEnterPiP.mm in Sources */,
+				1D12BEC0245BEF85004C0B7A /* ExitPiPOnSuspendVideoElement.mm in Sources */,
 				315118101DB1AE4000176304 /* ExtendedColor.cpp in Sources */,
 				7CCE7EF11A411AE600447C4C /* FailedLoad.cpp in Sources */,
 				579651E7216BFDED006EBFE5 /* FidoHidMessageTest.cpp in Sources */,

Added: trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ExitPiPOnSuspendVideoElement.mm (0 => 261001)


--- trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ExitPiPOnSuspendVideoElement.mm	                        (rev 0)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ExitPiPOnSuspendVideoElement.mm	2020-05-01 16:17:16 UTC (rev 261001)
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+
+#if ENABLE(VIDEO_PRESENTATION_MODE)
+
+#import "PlatformUtilities.h"
+#import "Test.h"
+#import "TestWKWebView.h"
+#import <WebKit/WKPreferencesPrivate.h>
+#import <WebKit/WKUIDelegatePrivate.h>
+#import <wtf/RetainPtr.h>
+#import <wtf/Seconds.h>
+
+static bool didEnterPiP;
+static bool didExitPiP;
+
+@interface ExitPiPOnSuspendVideoElementUIDelegate : NSObject <WKUIDelegate>
+@end
+
+@implementation ExitPiPOnSuspendVideoElementUIDelegate
+
+- (void)_webView:(WKWebView *)webView hasVideoInPictureInPictureDidChange:(BOOL)value
+{
+    if (value)
+        didEnterPiP = true;
+    else
+        didExitPiP = true;
+}
+
+@end
+
+namespace TestWebKitAPI {
+
+TEST(PictureInPicture, ExitPiPOnSuspendVideoElement)
+{
+    RetainPtr<WKWebViewConfiguration> configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
+    [configuration preferences]._fullScreenEnabled = YES;
+    [configuration preferences]._allowsPictureInPictureMediaPlayback = YES;
+    RetainPtr<TestWKWebView> webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 300, 300) configuration:configuration.get() addToWindow:YES]);
+    RetainPtr<ExitPiPOnSuspendVideoElementUIDelegate> handler = adoptNS([[ExitPiPOnSuspendVideoElementUIDelegate alloc] init]);
+    [webView setUIDelegate:handler.get()];
+
+    [webView synchronouslyLoadTestPageNamed:@"ExitFullscreenOnEnterPiP"];
+
+    didEnterPiP = false;
+    [webView evaluateJavaScript:@"document.getElementById('enter-pip').click()" completionHandler: nil];
+    TestWebKitAPI::Util::run(&didEnterPiP);
+
+    sleep(1_s);
+
+    didExitPiP = false;
+    [webView synchronouslyLoadHTMLString:@"<body>Hello world</body>"];
+    TestWebKitAPI::Util::run(&didExitPiP);
+}
+
+} // namespace TestWebKitAPI
+
+#endif
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