[Cocoa] Use new screen/window picker API when available

https://bugs.webkit.org/show_bug.cgi?id=251893
rdar://101206117

Reviewed by Jer Noble.

* Source/WebCore/Headers.cmake: Add DisplayCapturePromptType.h.

* Source/WebCore/WebCore.xcodeproj/project.pbxproj: Ditto.

* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml: SC_CONTENT_SHARING_SESSION -> SCREEN_CAPTURE_KIT.
Add new runtime preference.

* Source/WTF/wtf/PlatformHave.h: Remove HAVE_SC_CONTENT_SHARING_SESSION.

* Source/WebCore/PAL/pal/mac/ScreenCaptureKitSoftLink.h:SCStreamFrameInfoStatus
is always available when ScreenCaptureKit is available.
* Source/WebCore/PAL/pal/mac/ScreenCaptureKitSoftLink.mm:
* Source/WebCore/PAL/pal/spi/mac/ScreenCaptureKitSPI.h:

* Source/WebKit/Shared/Cocoa/WebPreferencesDefaultValuesCocoa.mm:
(WebKit::defaultUseSCContentSharingPicker): Initialize to feature flag value.
* Source/WebKit/Shared/WebPreferencesDefaultValues.h:

* Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp:
(WebCore::PlatformMediaSessionManager::setUseSCContentSharingPicker): New preference access.
(WebCore::PlatformMediaSessionManager::useSCContentSharingPicker):
* Source/WebCore/platform/audio/PlatformMediaSessionManager.h:

* Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.h:
* Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:
Rewrite to not be a direct `SCContentSharingSession` delegate and to not create `SCContentStream`
directly, but to do both through the ScreenCaptureKitSharingSessionManager.h.

(-[WebCoreScreenCaptureKitHelper stream:didStopWithError:]):
(-[WebCoreScreenCaptureKitHelper stream:didOutputSampleBuffer:ofType:]):
(WebCore::ScreenCaptureKitCaptureSource::~ScreenCaptureKitCaptureSource):
(WebCore::ScreenCaptureKitCaptureSource::stop):
(WebCore::ScreenCaptureKitCaptureSource::sessionFailedWithError):
(WebCore::ScreenCaptureKitCaptureSource::sessionFilterDidChange):
(WebCore::ScreenCaptureKitCaptureSource::sessionStreamDidEnd):
(WebCore::ScreenCaptureKitCaptureSource::startContentStream):
(WebCore::ScreenCaptureKitCaptureSource::updateStreamConfiguration):
(WebCore::ScreenCaptureKitCaptureSource::commitConfiguration):
(WebCore::ScreenCaptureKitCaptureSource::streamDidOutputVideoSampleBuffer):
(-[WebCoreScreenCaptureKitHelper sessionDidEnd:]): Deleted.
(-[WebCoreScreenCaptureKitHelper sessionDidChangeContent:]): Deleted.
(-[WebCoreScreenCaptureKitHelper pickerCanceledForSession:]): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::streamFailedWithError): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::sessionDidChangeContent): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::sessionDidEnd): Deleted.
(WebCore::findSharableDevice): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::findShareableContent): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::frameAvailableHandler): Deleted.
(WebCore::ScreenCaptureKitCaptureSource::streamDidOutputSampleBuffer): Deleted.
* Source/WebCore/platform/mediastream/mac/ScreenCaptureKitSharingSessionManager.h:
(WebCore::ScreenCaptureSessionSource::stream const):
(WebCore::ScreenCaptureSessionSource::contentFilter const):
(WebCore::ScreenCaptureSessionSource::sharingSession const):
(WebCore::ScreenCaptureSessionSource::observer const):

* Source/WebCore/platform/mediastream/mac/ScreenCaptureKitSharingSessionManager.mm:
Don't pass ownership of `SCContentSharingSession` to ScreenCaptureSessionSource, instead
pass necessary information through ScreenCaptureSessionSource interface to source.

(-[WebDisplayMediaPromptHelper initWithCallback:]):
(-[WebDisplayMediaPromptHelper sessionDidEnd:]):
(-[WebDisplayMediaPromptHelper sessionDidChangeContent:]):
(-[WebDisplayMediaPromptHelper pickerCanceledForSession:]):
(-[WebDisplayMediaPromptHelper contentSharingPicker:didSelectFilter:forStream:]):
(-[WebDisplayMediaPromptHelper contentSharingPickerDidCancel:forStream:]):
(-[WebDisplayMediaPromptHelper contentSharingPickerStartDidFailWithError:]):
(-[WebDisplayMediaPromptHelper contentSharingPicker:didRequestNewStreamWithFilter:]):
(-[WebDisplayMediaPromptHelper contentSharingPicker:didRequestUpdateWithFilter:forStream:]):
(WebCore::ScreenCaptureKitSharingSessionManager::isAvailable):
(WebCore::ScreenCaptureKitSharingSessionManager::useSCContentSharingPicker):
(WebCore::ScreenCaptureKitSharingSessionManager::~ScreenCaptureKitSharingSessionManager):
(WebCore::ScreenCaptureKitSharingSessionManager::cancelPicking):
(WebCore::ScreenCaptureKitSharingSessionManager::completeDeviceSelection):
(WebCore::ScreenCaptureKitSharingSessionManager::findActiveSource):
(WebCore::ScreenCaptureKitSharingSessionManager::sharingSessionDidEnd):
(WebCore::ScreenCaptureKitSharingSessionManager::sharingSessionDidChangeContent):
(WebCore::ScreenCaptureKitSharingSessionManager::contentSharingPickerSelectedFilterForStream):
(WebCore::ScreenCaptureKitSharingSessionManager::contentSharingPickerUpdatedFilterForStream):
(WebCore::ScreenCaptureKitSharingSessionManager::promptForGetDisplayMedia):
(WebCore::ScreenCaptureKitSharingSessionManager::promptWithSCContentSharingSession):
(WebCore::ScreenCaptureKitSharingSessionManager::promptWithSCContentSharingPicker):
(WebCore::ScreenCaptureKitSharingSessionManager::contentSharingPickerFailedWithError):
(WebCore::operator==):
(WebCore::ScreenCaptureKitSharingSessionManager::createSessionSourceForDevice):
(WebCore::ScreenCaptureKitSharingSessionManager::cleanupSessionSource):
(WebCore::ScreenCaptureSessionSource::create):
(WebCore::ScreenCaptureSessionSource::ScreenCaptureSessionSource):
(WebCore::ScreenCaptureSessionSource::~ScreenCaptureSessionSource):
(WebCore::ScreenCaptureSessionSource::operator== const):
(WebCore::screenCaptureKitPickerFeatureEnabled): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::pickerCanceledForSession): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::sessionDidEnd): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::sessionDidChangeContent): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::showWindowPicker): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::showScreenPicker): Deleted.
(WebCore::ScreenCaptureKitSharingSessionManager::takeSharingSessionForFilter): Deleted.

* Source/WebKit/GPUProcess/GPUProcess.cpp:
(WebKit::GPUProcess::promptForGetDisplayMedia): Combine showWindowPicker and showScreenPicker.
(WebKit::GPUProcess::showWindowPicker): Deleted.
(WebKit::GPUProcess::showScreenPicker): Deleted.
* Source/WebKit/GPUProcess/GPUProcess.h:
* Source/WebKit/GPUProcess/GPUProcess.messages.in:
* Source/WebKit/GPUProcess/mac/com.apple.WebKit.GPUProcess.sb.in:

* Source/WebKit/UIProcess/Cocoa/UIDelegate.mm:
(WebKit::UIDelegate::UIClient::promptForDisplayCapturePermission): Cleanup and simplify.
(WebKit::UIDelegate::UIClient::decidePolicyForUserMediaPermissionRequest):

* Source/WebKit/UIProcess/Cocoa/WebPageProxyCocoa.mm: SC_CONTENT_SHARING_SESSION -> SCREEN_CAPTURE_KIT

* Source/WebKit/UIProcess/GPU/GPUProcessProxy.cpp:
(WebKit::GPUProcessProxy::updateSandboxAccess): Ditto.
(WebKit::GPUProcessProxy::promptForGetDisplayMedia):
(WebKit::GPUProcessProxy::showWindowPicker): Deleted.
(WebKit::GPUProcessProxy::showScreenPicker): Deleted.
* Source/WebKit/UIProcess/GPU/GPUProcessProxy.h:

* Source/WebKit/UIProcess/UserMediaPermissionRequestProxy.cpp:
(WebKit::UserMediaPermissionRequestProxy::promptForGetDisplayMedia): canPromptForGetDisplayMedia ->
canRequestDisplayCapturePermission.
(WebKit::UserMediaPermissionRequestProxy::doDefaultAction):
(WebKit::UserMediaPermissionRequestProxy::canRequestDisplayCapturePermission): Rename from
canPromptForGetDisplayMedia.
(WebKit::UserMediaPermissionRequestProxy::canPromptForGetDisplayMedia): Deleted.
* Source/WebKit/UIProcess/UserMediaPermissionRequestProxy.h:
* Source/WebKit/UIProcess/WebPageProxy.cpp:

* Source/WebKit/UIProcess/API/Cocoa/WKWebViewPrivateForTesting.h:
* Source/WebKit/UIProcess/API/Cocoa/WKWebViewTesting.mm:
(-[WKWebView _setSystemCanPromptForGetDisplayMediaForTesting:]): Simulate when system can
and can not prompt for type of display capture.

* Source/WebKit/UIProcess/mac/DisplayCaptureSessionManager.h:
* Source/WebKit/UIProcess/mac/DisplayCaptureSessionManager.mm:
(WebKit::DisplayCaptureSessionManager::showWindowPicker):
(WebKit::DisplayCaptureSessionManager::showScreenPicker):
(WebKit::DisplayCaptureSessionManager::canRequestDisplayCapturePermission):
(WebKit::toScreenCaptureKitPromptType):
(WebKit::DisplayCaptureSessionManager::promptForGetDisplayMedia):

* Source/WebKit/UIProcess/mac/UserMediaPermissionRequestProxyMac.h:
* Source/WebKit/UIProcess/mac/UserMediaPermissionRequestProxyMac.mm:
(WebKit::UserMediaPermissionRequestProxyMac::promptForGetDisplayMedia):
(WebKit::UserMediaPermissionRequestProxyMac::canRequestDisplayCapturePermission):
(WebKit::UserMediaPermissionRequestProxyMac::canPromptForGetDisplayMedia): Deleted.
* Source/WebKit/WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::updatePreferences):

* Tools/TestWebKitAPI/Tests/WebKitCocoa/GetDisplayMedia.mm: Test when system can and can
not prompt for type of capture.
(-[GetDisplayMediaUIDelegate _webView:requestDisplayCapturePermissionForOrigin:initiatedByFrame:withSystemAudio:decisionHandler:]):
(TestWebKitAPI::GetDisplayMediaTest::promptForCapture):
(TestWebKitAPI::TEST_F):
(-[GetDisplayMediaUIDelegate _webView:requestUserMediaAuthorizationForDevices:url:mainFrameURL:decisionHandler:]): Deleted.

Canonical link: https://commits.webkit.org/261180@main

Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml

@@ -6496,7 +6496,7 @@ UseGPUProcessForDisplayCapture:
   humanReadableName: "GPU Process: Screen and Window capture"
   humanReadableDescription: "Display capture in GPU Process"
   webcoreBinding: none
-  condition: HAVE(SC_CONTENT_SHARING_SESSION)
+  condition: HAVE(SCREEN_CAPTURE_KIT)
   exposed: [ WebKit ]
   defaultValue:
     WebKit:
@@ -6605,6 +6605,18 @@ UsePreHTML5ParserQuirks:
     WebCore:
       default: false
 
+UseSCContentSharingPicker:
+  type: bool
+  status: internal
+  humanReadableName: "Use SCContentSharingPicker"
+  humanReadableDescription: "Use SCContentSharingPicker when available"
+  condition: HAVE(SC_CONTENT_SHARING_PICKER)
+  defaultValue:
+    WebKit:
+      default: WebKit::defaultUseSCContentSharingPicker()
+    WebCore:
+      default: false
+
 UseSceneKitForModel:
   type: bool
   status: unstable

Source/WTF/wtf/PlatformHave.h

@@ -1157,8 +1157,8 @@
 #define HAVE_SCREEN_CAPTURE_KIT 1
 #endif
 
-#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 130000)
-#define HAVE_SC_CONTENT_SHARING_SESSION 1
+#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 140000)
+#define HAVE_SC_CONTENT_SHARING_PICKER 1
 #endif
 
 #if ((PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 130000) \

Source/WebCore/Headers.cmake

@@ -1922,6 +1922,7 @@ set(WebCore_PRIVATE_FRAMEWORK_HEADERS
     platform/mediastream/CaptureDevice.h
     platform/mediastream/CaptureDeviceManager.h
     platform/mediastream/DisplayCaptureManager.h
+    platform/mediastream/DisplayCapturePromptType.h
     platform/mediastream/MDNSRegisterError.h
     platform/mediastream/MediaConstraints.h
     platform/mediastream/MediaStreamPrivate.h

Source/WebCore/PAL/pal/mac/ScreenCaptureKitSoftLink.h

@@ -38,10 +38,11 @@ SOFT_LINK_CLASS_FOR_HEADER_WITH_AVAILABILITY(PAL, SCStreamConfiguration, API_AVA
 SOFT_LINK_CLASS_FOR_HEADER_WITH_AVAILABILITY(PAL, SCStream, API_AVAILABLE(macos(12.3)))
 SOFT_LINK_CLASS_FOR_HEADER(PAL, SCContentSharingSession)
 
-SOFT_LINK_CONSTANT_MAY_FAIL_FOR_HEADER(PAL, ScreenCaptureKit, SCStreamFrameInfoStatus, NSString *)
-#define SCStreamFrameInfoStatus get_ScreenCaptureKit_SCStreamFrameInfoStatus()
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+SOFT_LINK_CLASS_FOR_HEADER(PAL, SCContentSharingPicker)
+#endif
 
-SOFT_LINK_CONSTANT_MAY_FAIL_FOR_HEADER(PAL, ScreenCaptureKit, SCStreamFrameInfoStatusKey, NSString *)
-#define SCStreamFrameInfoStatusKey get_ScreenCaptureKit_SCStreamFrameInfoStatusKey()
+SOFT_LINK_CONSTANT_FOR_HEADER(PAL, ScreenCaptureKit, SCStreamFrameInfoStatus, NSString *)
+#define SCStreamFrameInfoStatus PAL::get_ScreenCaptureKit_SCStreamFrameInfoStatus()
 
 #endif // HAVE(SCREEN_CAPTURE_KIT)

Source/WebCore/PAL/pal/mac/ScreenCaptureKitSoftLink.mm

@@ -38,7 +38,10 @@
 SOFT_LINK_CLASS_FOR_SOURCE_OPTIONAL_WITH_EXPORT_AND_AVAILABILITY(PAL, ScreenCaptureKit, SCStream, PAL_EXPORT, API_AVAILABLE(macos(12.3)))
 SOFT_LINK_CLASS_FOR_SOURCE_OPTIONAL_WITH_EXPORT(PAL, ScreenCaptureKit, SCContentSharingSession, PAL_EXPORT)
 
-SOFT_LINK_CONSTANT_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, ScreenCaptureKit, SCStreamFrameInfoStatus, NSString *, PAL_EXPORT)
-SOFT_LINK_CONSTANT_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, ScreenCaptureKit, SCStreamFrameInfoStatusKey, NSString *, PAL_EXPORT)
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+SOFT_LINK_CLASS_FOR_SOURCE_OPTIONAL_WITH_EXPORT(PAL, ScreenCaptureKit, SCContentSharingPicker, PAL_EXPORT)
+#endif
+
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, ScreenCaptureKit, SCStreamFrameInfoStatus, NSString *, PAL_EXPORT)
 
 #endif // PLATFORM(MAC)

Source/WebCore/PAL/pal/spi/mac/ScreenCaptureKitSPI.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Apple Inc. All rights reserved.
+ * Copyright (C) 2022-2023 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,7 +23,7 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#if HAVE(SCREEN_CAPTURE_KIT) && HAVE(SC_CONTENT_SHARING_SESSION)
+#if HAVE(SCREEN_CAPTURE_KIT)
 
 #import <ScreenCaptureKit/ScreenCaptureKit.h>
 
@@ -33,6 +33,10 @@
 #import <ScreenCaptureKit/SCContentSharingSession.h>
 #import <ScreenCaptureKit/SCStream_Private.h>
 
+#if HAVE(SC_CONTENT_PICKER)
+#import <ScreenCaptureKit/SCContentPicker.h>
+#endif
+
 #else // USE(APPLE_INTERNAL_SDK)
 
 NS_ASSUME_NONNULL_BEGIN
@@ -76,9 +80,7 @@ typedef NS_ENUM(NSInteger, SCContentFilterType) {
 
 - (instancetype)init NS_UNAVAILABLE;
 - (instancetype)initWithTitle:(NSString *)title;
-- (BOOL)isEqualToSharingSession:(SCContentSharingSession *)other;
 - (void)showPickerForType:(SCContentFilterType)type;
-- (void)updateContent:(SCContentFilter *)content;
 - (void)end;
 @end
 

Source/WebCore/WebCore.xcodeproj/project.pbxproj

@@ -221,6 +221,7 @@
 		07C1482E2612A21F00775828 /* MediaSessionCoordinatorState.h in Headers */ = {isa = PBXBuildFile; fileRef = 077BA58826126D660072F19F /* MediaSessionCoordinatorState.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07C1C0E21BFB600100BD2256 /* MediaTrackSupportedConstraints.h in Headers */ = {isa = PBXBuildFile; fileRef = 07C1C0E01BFB600100BD2256 /* MediaTrackSupportedConstraints.h */; };
 		07C1C0E51BFB60ED00BD2256 /* RealtimeMediaSourceSupportedConstraints.h in Headers */ = {isa = PBXBuildFile; fileRef = 07C1C0E41BFB60ED00BD2256 /* RealtimeMediaSourceSupportedConstraints.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		07C6778629ACFB820083C923 /* DisplayCapturePromptType.h in Headers */ = {isa = PBXBuildFile; fileRef = 07C6778529ACF4780083C923 /* DisplayCapturePromptType.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07CE77D516712A6A00C55A47 /* InbandTextTrackPrivateClient.h in Headers */ = {isa = PBXBuildFile; fileRef = 07CE77D416712A6A00C55A47 /* InbandTextTrackPrivateClient.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07D12F5C23DE543F0080997D /* ISOVTTCue.h in Headers */ = {isa = PBXBuildFile; fileRef = CD871C651FB52B6700F0B965 /* ISOVTTCue.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07D637401BB0B11300256CE9 /* WebAudioSourceProviderCocoa.h in Headers */ = {isa = PBXBuildFile; fileRef = 07D6373E1BB0B11300256CE9 /* WebAudioSourceProviderCocoa.h */; settings = {ATTRIBUTES = (Private, ); }; };
@@ -6521,6 +6522,7 @@
 		07C1C0E01BFB600100BD2256 /* MediaTrackSupportedConstraints.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MediaTrackSupportedConstraints.h; sourceTree = "<group>"; };
 		07C1C0E11BFB600100BD2256 /* MediaTrackSupportedConstraints.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = MediaTrackSupportedConstraints.idl; sourceTree = "<group>"; };
 		07C1C0E41BFB60ED00BD2256 /* RealtimeMediaSourceSupportedConstraints.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RealtimeMediaSourceSupportedConstraints.h; sourceTree = "<group>"; };
+		07C6778529ACF4780083C923 /* DisplayCapturePromptType.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DisplayCapturePromptType.h; sourceTree = "<group>"; };
 		07C8AD111D073D630087C5CE /* AVAssetMIMETypeCache.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = AVAssetMIMETypeCache.mm; sourceTree = "<group>"; };
 		07C8AD121D073D630087C5CE /* AVAssetMIMETypeCache.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AVAssetMIMETypeCache.h; sourceTree = "<group>"; };
 		07CB9E6F249C226C00A69489 /* AVRoutePickerViewTargetPicker.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = AVRoutePickerViewTargetPicker.mm; sourceTree = "<group>"; };
@@ -19737,6 +19739,7 @@
 				07B7116B1D899E63009F0FFB /* CaptureDeviceManager.cpp */,
 				07B7116C1D899E63009F0FFB /* CaptureDeviceManager.h */,
 				07ED19372762769400AF1EC5 /* DisplayCaptureManager.h */,
+				07C6778529ACF4780083C923 /* DisplayCapturePromptType.h */,
 				5EBB89301C7777E100C65D41 /* IceCandidate.h */,
 				41C14BC826DF79D600685BF5 /* MDNSRegisterError.h */,
 				1BE5BFC11D515715001666D9 /* MediaConstraints.cpp */,
@@ -36451,6 +36454,7 @@
 				F47A09D120A93A9700240FAE /* DisabledAdaptations.h in Headers */,
 				7EDAAFC919A2CCDC0034DFD1 /* DiskCacheMonitorCocoa.h in Headers */,
 				07ED19382762769400AF1EC5 /* DisplayCaptureManager.h in Headers */,
+				07C6778629ACFB820083C923 /* DisplayCapturePromptType.h in Headers */,
 				07BB1E7027176CD9001DF289 /* DisplayCaptureSourceCocoa.h in Headers */,
 				7BFF59F42757726700773D39 /* DisplayConfigurationMonitor.h in Headers */,
 				0FE5FBD31C3DD51E0007A2CA /* DisplayList.h in Headers */,

Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Apple Inc. All rights reserved.
+ * Copyright (C) 2013-2023 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -51,6 +51,10 @@ bool PlatformMediaSessionManager::m_opusDecoderEnabled;
 bool PlatformMediaSessionManager::m_alternateWebMPlayerEnabled;
 #endif
 
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+bool PlatformMediaSessionManager::s_useSCContentSharingPicker;
+#endif
+
 #if ENABLE(VP9)
 bool PlatformMediaSessionManager::m_vp9DecoderEnabled;
 bool PlatformMediaSessionManager::m_vp8DecoderEnabled;
@@ -730,6 +734,24 @@ bool PlatformMediaSessionManager::alternateWebMPlayerEnabled()
 #endif
 }
 
+void PlatformMediaSessionManager::setUseSCContentSharingPicker(bool use)
+{
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+    s_useSCContentSharingPicker = use;
+#else
+    UNUSED_PARAM(use);
+#endif
+}
+
+bool PlatformMediaSessionManager::useSCContentSharingPicker()
+{
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+    return s_useSCContentSharingPicker;
+#else
+    return false;
+#endif
+}
+
 #if ENABLE(VP9)
 void PlatformMediaSessionManager::setShouldEnableVP9Decoder(bool vp9DecoderEnabled)
 {

Source/WebCore/platform/audio/PlatformMediaSessionManager.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Apple Inc. All rights reserved.
+ * Copyright (C) 2013-2023 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -63,6 +63,8 @@ class PlatformMediaSessionManager
     WEBCORE_EXPORT static bool opusDecoderEnabled();
     WEBCORE_EXPORT static void setAlternateWebMPlayerEnabled(bool);
     WEBCORE_EXPORT static bool alternateWebMPlayerEnabled();
+    WEBCORE_EXPORT static void setUseSCContentSharingPicker(bool);
+    WEBCORE_EXPORT static bool useSCContentSharingPicker();
 
 #if ENABLE(VP9)
     WEBCORE_EXPORT static void setShouldEnableVP9Decoder(bool);
@@ -238,6 +240,9 @@ class PlatformMediaSessionManager
 #if ENABLE(ALTERNATE_WEBM_PLAYER)
     static bool m_alternateWebMPlayerEnabled;
 #endif
+#if HAVE(SC_CONTENT_SHARING_PICKER)
+    static bool s_useSCContentSharingPicker;
+#endif
 
 #if ENABLE(VP9)
     static bool m_vp9DecoderEnabled;

Source/WebCore/platform/mediastream/DisplayCapturePromptType.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 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. ``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
+ * 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.
+ */
+
+#pragma once
+
+#if ENABLE(MEDIA_STREAM)
+
+namespace WebCore {
+
+enum class DisplayCapturePromptType : uint8_t {
+    Window,
+    Screen,
+    UserChoose
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(MEDIA_STREAM)

Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Apple Inc. All rights reserved.
+ * Copyright (C) 2021-2023 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -29,6 +29,7 @@
 
 #include "DisplayCaptureManager.h"
 #include "DisplayCaptureSourceCocoa.h"
+#include "ScreenCaptureKitSharingSessionManager.h"
 #include <wtf/BlockPtr.h>
 #include <wtf/CompletionHandler.h>
 #include <wtf/Forward.h>
@@ -51,7 +52,7 @@ namespace WebCore {
 
 class ScreenCaptureKitCaptureSource final
     : public DisplayCaptureSourceCocoa::Capturer
-    , public CanMakeWeakPtr<ScreenCaptureKitCaptureSource> {
+    , public ScreenCaptureSessionSource::Observer {
 public:
     static Expected<UniqueRef<DisplayCaptureSourceCocoa::Capturer>, String> create(const CaptureDevice&, const MediaConstraints*);
 
@@ -64,11 +65,8 @@ class ScreenCaptureKitCaptureSource final
     static std::optional<CaptureDevice> windowCaptureDeviceWithPersistentID(const String&);
 
     using Content = std::variant<RetainPtr<SCWindow>, RetainPtr<SCDisplay>>;
-    void streamFailedWithError(RetainPtr<NSError>&&, const String&);
-    enum class SampleType { Video };
-    void streamDidOutputSampleBuffer(RetainPtr<CMSampleBufferRef>, SampleType);
-    void sessionDidChangeContent(RetainPtr<SCContentSharingSession>);
-    void sessionDidEnd(RetainPtr<SCContentSharingSession>);
+    void streamDidOutputVideoSampleBuffer(RetainPtr<CMSampleBufferRef>);
+    void sessionFailedWithError(RetainPtr<NSError>&&, const String&);
 
 private:
 
@@ -84,28 +82,26 @@ class ScreenCaptureKitCaptureSource final
     // LoggerHelper
     const char* logClassName() const final { return "ScreenCaptureKitCaptureSource"; }
 
+    // ScreenCaptureKitSharingSessionManager::Observer
+    void sessionFilterDidChange(SCContentFilter*) final;
+    void sessionStreamDidEnd(SCStream*) final;
+
     void startContentStream();
     void findShareableContent();
     RetainPtr<SCStreamConfiguration> streamConfiguration();
     void updateStreamConfiguration();
 
-    using SCContentStreamUpdateCallback = void (^)(SCStream *, CMSampleBufferRef);
-    SCContentStreamUpdateCallback frameAvailableHandler();
-
     dispatch_queue_t captureQueue();
 
-#if HAVE(SC_CONTENT_SHARING_SESSION)
-    RetainPtr<SCContentSharingSession> m_contentSharingSession;
-#endif
+    SCStream* contentStream() const { return m_sessionSource ? m_sessionSource->stream() : nullptr; }
+    SCContentFilter* contentFilter() const { return m_sessionSource ? m_sessionSource->contentFilter() : nullptr; }
 
     std::optional<Content> m_content;
     RetainPtr<WebCoreScreenCaptureKitHelper> m_captureHelper;
     RetainPtr<CMSampleBufferRef> m_currentFrame;
-    RetainPtr<SCContentFilter> m_contentFilter;
-    RetainPtr<SCStream> m_contentStream;
+    RefPtr<ScreenCaptureSessionSource> m_sessionSource;
     RetainPtr<SCStreamConfiguration> m_streamConfiguration;
     OSObjectPtr<dispatch_queue_t> m_captureQueue;
-    BlockPtr<void(SCStream *, CMSampleBufferRef)> m_frameAvailableHandler;
     CaptureDevice m_captureDevice;
     uint32_t m_deviceID { 0 };
     mutable std::optional<IntSize> m_intrinsicSize;