Title: [197461] trunk/Source
Revision
197461
Author
[email protected]
Date
2016-03-02 12:59:28 -0800 (Wed, 02 Mar 2016)

Log Message

Add support for playbackControlsManager
https://bugs.webkit.org/show_bug.cgi?id=154742
-and corresponding-
rdar://problem/23833753

Reviewed by Jer Noble.

Source/WebCore:

Make AVKitSPI.h private so that it can be used from other projects.
* WebCore.xcodeproj/project.pbxproj:

Right now, set up a controls manager for a video when it starts playing. In 
the future, this is something that should be handled by the 
PlatformMediaSessionManager since we only want a controls for the 
currentSession.
* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::playInternal):

New function setUpVideoControlsManager.
* page/ChromeClient.h:

Make these CoreMedia functions available on Mac and iOS instead of just iOS.
* platform/cf/CoreMediaSoftLink.cpp:
* platform/cf/CoreMediaSoftLink.h:

This patch fleshes out an implementation for a bunch of these interface 
functions since they need to communicate to the playbackControlsManager. This 
is also where the playbackControlsManager lives.
* platform/mac/WebVideoFullscreenInterfaceMac.h:

Define an interface and implementation for WebPlaybackControlsManager.
* platform/mac/WebVideoFullscreenInterfaceMac.mm:
(-[WebPlaybackControlsManager initWithWebVideoFullscreenInterfaceMac:]):
(-[WebPlaybackControlsManager isSeeking]):
(-[WebPlaybackControlsManager seekToTime:toleranceBefore:toleranceAfter:]):
(-[WebPlaybackControlsManager audioMediaSelectionOptions]):
(-[WebPlaybackControlsManager currentAudioMediaSelectionOption]):
(-[WebPlaybackControlsManager setCurrentAudioMediaSelectionOption:]):
(-[WebPlaybackControlsManager legibleMediaSelectionOptions]):
(-[WebPlaybackControlsManager currentLegibleMediaSelectionOption]):
(-[WebPlaybackControlsManager setCurrentLegibleMediaSelectionOption:]):
(-[WebPlaybackControlsManager cancelThumbnailAndAudioAmplitudeSampleGeneration]):

Relay this information to the playbackControlsManager.
(WebCore::WebVideoFullscreenInterfaceMac::setDuration):
(WebCore::WebVideoFullscreenInterfaceMac::setCurrentTime):
(WebCore::WebVideoFullscreenInterfaceMac::setRate):
(WebCore::WebVideoFullscreenInterfaceMac::setSeekableRanges):
(WebCore::WebVideoFullscreenInterfaceMac::ensureControlsManager):
(WebCore::WebVideoFullscreenInterfaceMac::playBackControlsManager):
(WebCore::WebVideoFullscreenInterfaceMac::setupFullscreen):

New SPI needed.
* platform/spi/cocoa/AVKitSPI.h:
* platform/spi/mac/AVFoundationSPI.h:

Source/WebKit2:

WebVideoFullscreenManagerProxy ensures the model and interface for the 
UIProcess side of the playbackControlsManager. It also caches the 
m_controlsManagerContextId so that it can return the 
controlsManagerInterface.
* UIProcess/Cocoa/WebVideoFullscreenManagerProxy.h:
* UIProcess/Cocoa/WebVideoFullscreenManagerProxy.messages.in:
* UIProcess/Cocoa/WebVideoFullscreenManagerProxy.mm:
(WebKit::WebVideoFullscreenManagerProxy::setUpVideoControlsManagerWithID):
(WebKit::WebVideoFullscreenManagerProxy::controlsManagerInterface):

Pipe isPlayingMediaDidChange() to WebViewImpl, and use that information to 
update WebViewImplAdditions.
* UIProcess/Cocoa/WebViewImpl.h:
* UIProcess/Cocoa/WebViewImpl.mm:
(WebKit::WebViewImpl::isPlayingMediaDidChange):
* UIProcess/PageClient.h:
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::isPlayingMediaDidChange):
(WebKit::WebPageProxy::isPlayingVideoWithAudio):
* UIProcess/WebPageProxy.h:
(WebKit::WebPageProxy::isPlayingAudio):
* UIProcess/mac/PageClientImpl.h:
* UIProcess/mac/PageClientImpl.mm:
(WebKit::PageClientImpl::isPlayingMediaDidChange):

Pipe setUpVideoControlsManager to the WebVideoFullscreenManager.
* WebProcess/WebCoreSupport/WebChromeClient.cpp:
(WebKit::WebChromeClient::setUpVideoControlsManager):
* WebProcess/WebCoreSupport/WebChromeClient.h:

Ensure the model an interface for the playbackControlsManager on the 
WebProcess side and pass the message to the UIProcess to do the same.
* WebProcess/cocoa/WebVideoFullscreenManager.h:
* WebProcess/cocoa/WebVideoFullscreenManager.mm:
(WebKit::WebVideoFullscreenManager::setUpVideoControlsManager):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (197460 => 197461)


--- trunk/Source/WebCore/ChangeLog	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/ChangeLog	2016-03-02 20:59:28 UTC (rev 197461)
@@ -1,3 +1,60 @@
+2016-03-02  Beth Dakin  <[email protected]>
+
+        Add support for playbackControlsManager
+        https://bugs.webkit.org/show_bug.cgi?id=154742
+        -and corresponding-
+        rdar://problem/23833753
+
+        Reviewed by Jer Noble.
+
+        Make AVKitSPI.h private so that it can be used from other projects.
+        * WebCore.xcodeproj/project.pbxproj:
+
+        Right now, set up a controls manager for a video when it starts playing. In 
+        the future, this is something that should be handled by the 
+        PlatformMediaSessionManager since we only want a controls for the 
+        currentSession.
+        * html/HTMLMediaElement.cpp:
+        (WebCore::HTMLMediaElement::playInternal):
+
+        New function setUpVideoControlsManager.
+        * page/ChromeClient.h:
+
+        Make these CoreMedia functions available on Mac and iOS instead of just iOS.
+        * platform/cf/CoreMediaSoftLink.cpp:
+        * platform/cf/CoreMediaSoftLink.h:
+
+        This patch fleshes out an implementation for a bunch of these interface 
+        functions since they need to communicate to the playbackControlsManager. This 
+        is also where the playbackControlsManager lives.
+        * platform/mac/WebVideoFullscreenInterfaceMac.h:
+
+        Define an interface and implementation for WebPlaybackControlsManager.
+        * platform/mac/WebVideoFullscreenInterfaceMac.mm:
+        (-[WebPlaybackControlsManager initWithWebVideoFullscreenInterfaceMac:]):
+        (-[WebPlaybackControlsManager isSeeking]):
+        (-[WebPlaybackControlsManager seekToTime:toleranceBefore:toleranceAfter:]):
+        (-[WebPlaybackControlsManager audioMediaSelectionOptions]):
+        (-[WebPlaybackControlsManager currentAudioMediaSelectionOption]):
+        (-[WebPlaybackControlsManager setCurrentAudioMediaSelectionOption:]):
+        (-[WebPlaybackControlsManager legibleMediaSelectionOptions]):
+        (-[WebPlaybackControlsManager currentLegibleMediaSelectionOption]):
+        (-[WebPlaybackControlsManager setCurrentLegibleMediaSelectionOption:]):
+        (-[WebPlaybackControlsManager cancelThumbnailAndAudioAmplitudeSampleGeneration]):
+
+        Relay this information to the playbackControlsManager.
+        (WebCore::WebVideoFullscreenInterfaceMac::setDuration):
+        (WebCore::WebVideoFullscreenInterfaceMac::setCurrentTime):
+        (WebCore::WebVideoFullscreenInterfaceMac::setRate):
+        (WebCore::WebVideoFullscreenInterfaceMac::setSeekableRanges):
+        (WebCore::WebVideoFullscreenInterfaceMac::ensureControlsManager):
+        (WebCore::WebVideoFullscreenInterfaceMac::playBackControlsManager):
+        (WebCore::WebVideoFullscreenInterfaceMac::setupFullscreen):
+
+        New SPI needed.
+        * platform/spi/cocoa/AVKitSPI.h:
+        * platform/spi/mac/AVFoundationSPI.h:
+
 2016-03-02  Gavin Barraclough  <[email protected]>
 
         Add Page::TimerThrottlingState

Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (197460 => 197461)


--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2016-03-02 20:59:28 UTC (rev 197461)
@@ -329,7 +329,7 @@
 		07EE76EC1BE96DB000F89133 /* MockRealtimeVideoSource.h in Headers */ = {isa = PBXBuildFile; fileRef = 07EE76EA1BE96DB000F89133 /* MockRealtimeVideoSource.h */; };
 		07EE76EF1BEA619800F89133 /* MockRealtimeVideoSourceMac.h in Headers */ = {isa = PBXBuildFile; fileRef = 07EE76ED1BEA619800F89133 /* MockRealtimeVideoSourceMac.h */; };
 		07EE76F01BEA619800F89133 /* MockRealtimeVideoSourceMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 07EE76EE1BEA619800F89133 /* MockRealtimeVideoSourceMac.mm */; };
-		07F0B97A1AC5DB3300E535D9 /* AVKitSPI.h in Headers */ = {isa = PBXBuildFile; fileRef = 07F0B9791AC5DB3300E535D9 /* AVKitSPI.h */; };
+		07F0B97A1AC5DB3300E535D9 /* AVKitSPI.h in Headers */ = {isa = PBXBuildFile; fileRef = 07F0B9791AC5DB3300E535D9 /* AVKitSPI.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07F0B97C1AC5DB4600E535D9 /* AVFoundationSPI.h in Headers */ = {isa = PBXBuildFile; fileRef = 07F0B97B1AC5DB4600E535D9 /* AVFoundationSPI.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07F876841AD580F900905849 /* MediaPlaybackTargetContext.h in Headers */ = {isa = PBXBuildFile; fileRef = 07F876831AD4A94500905849 /* MediaPlaybackTargetContext.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		07F944161864D046005D31CB /* PlatformMediaSessionManager.h in Headers */ = {isa = PBXBuildFile; fileRef = CDAE8C081746B95700532D78 /* PlatformMediaSessionManager.h */; settings = {ATTRIBUTES = (Private, ); }; };

Modified: trunk/Source/WebCore/html/HTMLMediaElement.cpp (197460 => 197461)


--- trunk/Source/WebCore/html/HTMLMediaElement.cpp	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/html/HTMLMediaElement.cpp	2016-03-02 20:59:28 UTC (rev 197461)
@@ -2959,6 +2959,14 @@
         return;
     }
 
+    // FIXME: rdar://problem/23833752 We need to be more strategic about when we set up the video controls manager.
+    // It's really something that should be handled by the PlatformMediaSessionManager since we only want a controls
+    // manager for the currentSession.
+    if (document().page() && is<HTMLVideoElement>(*this)) {
+        HTMLVideoElement& asVideo = downcast<HTMLVideoElement>(*this);
+        document().page()->chrome().client().setUpVideoControlsManager(asVideo);
+    }
+
     // 4.8.10.9. Playing the media resource
     if (!m_player || m_networkState == NETWORK_EMPTY)
         scheduleDelayedAction(LoadMediaResource);

Modified: trunk/Source/WebCore/page/ChromeClient.h (197460 => 197461)


--- trunk/Source/WebCore/page/ChromeClient.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/page/ChromeClient.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -341,6 +341,7 @@
     virtual bool supportsVideoFullscreen(HTMLMediaElementEnums::VideoFullscreenMode) { return false; }
 #if ENABLE(VIDEO)
     virtual void enterVideoFullscreenForVideoElement(HTMLVideoElement&, HTMLMediaElementEnums::VideoFullscreenMode) { }
+    virtual void setUpVideoControlsManager(HTMLVideoElement&) { }
 #endif
     virtual void exitVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&) { }
     virtual bool requiresFullscreenForVideoPlayback() { return false; } 

Modified: trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.cpp (197460 => 197461)


--- trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.cpp	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.cpp	2016-03-02 20:59:28 UTC (rev 197461)
@@ -45,6 +45,7 @@
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeMake, CMTime, (int64_t value, int32_t timescale), (value, timescale))
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeMakeWithSeconds, CMTime, (Float64 seconds, int32_t preferredTimeScale), (seconds, preferredTimeScale))
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeRangeGetEnd, CMTime, (CMTimeRange range), (range))
+SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration))
 
 SOFT_LINK_CONSTANT_FOR_SOURCE(WebCore, CoreMedia, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, CFStringRef)
 SOFT_LINK_CONSTANT_FOR_SOURCE(WebCore, CoreMedia, kCMTextMarkupAlignmentType_End, CFStringRef)
@@ -113,7 +114,6 @@
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeMaximum, CMTime, (CMTime time1, CMTime time2), (time1, time2))
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeMinimum, CMTime, (CMTime time1, CMTime time2), (time1, time2))
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeRangeContainsTime, Boolean, (CMTimeRange range, CMTime time), (range, time))
-SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration))
 SOFT_LINK_FUNCTION_FOR_SOURCE(WebCore, CoreMedia, CMTimeSubtract, CMTime, (CMTime minuend, CMTime subtrahend), (minuend, subtrahend))
 
 SOFT_LINK_CONSTANT_FOR_SOURCE(WebCore, CoreMedia, kCMTimeIndefinite, CMTime)

Modified: trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.h (197460 => 197461)


--- trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/platform/cf/CoreMediaSoftLink.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -59,6 +59,8 @@
 #define CMTimeMakeWithSeconds softLink_CoreMedia_CMTimeMakeWithSeconds
 SOFT_LINK_FUNCTION_FOR_HEADER(WebCore, CoreMedia, CMTimeRangeGetEnd, CMTime, (CMTimeRange range), (range))
 #define CMTimeRangeGetEnd softLink_CoreMedia_CMTimeRangeGetEnd
+SOFT_LINK_FUNCTION_FOR_HEADER(WebCore, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration))
+#define CMTimeRangeMake softLink_CoreMedia_CMTimeRangeMake
 
 SOFT_LINK_CONSTANT_FOR_HEADER(WebCore, CoreMedia, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, CFStringRef)
 #define kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms get_CoreMedia_kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms()
@@ -191,8 +193,6 @@
 #define CMTimeMinimum softLink_CoreMedia_CMTimeMinimum
 SOFT_LINK_FUNCTION_FOR_HEADER(WebCore, CoreMedia, CMTimeRangeContainsTime, Boolean, (CMTimeRange range, CMTime time), (range, time))
 #define CMTimeRangeContainsTime softLink_CoreMedia_CMTimeRangeContainsTime
-SOFT_LINK_FUNCTION_FOR_HEADER(WebCore, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration))
-#define CMTimeRangeMake softLink_CoreMedia_CMTimeRangeMake
 SOFT_LINK_FUNCTION_FOR_HEADER(WebCore, CoreMedia, CMTimeSubtract, CMTime, (CMTime minuend, CMTime subtrahend), (minuend, subtrahend))
 #define CMTimeSubtract softLink_CoreMedia_CMTimeSubtract
 

Modified: trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.h (197460 => 197461)


--- trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -35,6 +35,7 @@
 #include <wtf/text/WTFString.h>
 
 OBJC_CLASS NSWindow;
+OBJC_CLASS WebPlaybackControlsManager;
 
 #if USE(APPLE_INTERNAL_SDK)
 OBJC_CLASS WebVideoFullscreenInterfaceMacObjC;
@@ -61,12 +62,12 @@
     WEBCORE_EXPORT void setWebVideoFullscreenChangeObserver(WebVideoFullscreenChangeObserver*);
 
     WEBCORE_EXPORT void resetMediaState() override { }
-    WEBCORE_EXPORT void setDuration(double) override { }
-    WEBCORE_EXPORT void setCurrentTime(double /*currentTime*/, double /*anchorTime*/) override { }
+    WEBCORE_EXPORT void setDuration(double) override;
+    WEBCORE_EXPORT void setCurrentTime(double /*currentTime*/, double /*anchorTime*/) override;
     WEBCORE_EXPORT void setBufferedTime(double) override { }
-    WEBCORE_EXPORT void setRate(bool /*isPlaying*/, float /*playbackRate*/) override { }
+    WEBCORE_EXPORT void setRate(bool /*isPlaying*/, float /*playbackRate*/) override;
     WEBCORE_EXPORT void setVideoDimensions(bool /*hasVideo*/, float /*width*/, float /*height*/) override { }
-    WEBCORE_EXPORT void setSeekableRanges(const TimeRanges&) override { }
+    WEBCORE_EXPORT void setSeekableRanges(const TimeRanges&) override;
     WEBCORE_EXPORT void setCanPlayFastReverse(bool) override { }
     WEBCORE_EXPORT void setAudioMediaSelectionOptions(const Vector<WTF::String>& /*options*/, uint64_t /*selectedIndex*/) override { }
     WEBCORE_EXPORT void setLegibleMediaSelectionOptions(const Vector<WTF::String>& /*options*/, uint64_t /*selectedIndex*/) override { }
@@ -80,6 +81,7 @@
     WEBCORE_EXPORT void invalidate();
     WEBCORE_EXPORT void requestHideAndExitFullscreen() { }
     WEBCORE_EXPORT void preparedToReturnToInline(bool visible, const IntRect& inlineRect, NSWindow *parentWindow);
+    WEBCORE_EXPORT void ensureControlsManager();
 
     HTMLMediaElementEnums::VideoFullscreenMode mode() const { return m_mode; }
     bool hasMode(HTMLMediaElementEnums::VideoFullscreenMode mode) const { return m_mode & mode; }
@@ -90,6 +92,8 @@
     WEBCORE_EXPORT bool mayAutomaticallyShowVideoPictureInPicture() const { return false; }
     void applicationDidBecomeActive() { }
 
+    WEBCORE_EXPORT WebPlaybackControlsManager *playBackControlsManager();
+
 private:
     WebVideoFullscreenModel* m_videoFullscreenModel { nullptr };
     WebVideoFullscreenChangeObserver* m_fullscreenChangeObserver { nullptr };
@@ -98,6 +102,7 @@
 #if USE(APPLE_INTERNAL_SDK)
     RetainPtr<WebVideoFullscreenInterfaceMacObjC> m_webVideoFullscreenInterfaceObjC;
 #endif
+    RetainPtr<WebPlaybackControlsManager> m_playbackControlsManager;
 };
 
 }

Modified: trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.mm (197460 => 197461)


--- trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.mm	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/platform/mac/WebVideoFullscreenInterfaceMac.mm	2016-03-02 20:59:28 UTC (rev 197461)
@@ -28,14 +28,128 @@
 
 #if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
 
+#import "AVKitSPI.h"
+#import "CoreMediaSoftLink.h"
 #import "IntRect.h"
+#import "MediaTimeAVFoundation.h"
+#import "TimeRanges.h"
 #import "WebVideoFullscreenChangeObserver.h"
 #import "WebVideoFullscreenModel.h"
+#import <AVFoundation/AVTime.h>
 
+#import "SoftLinking.h"
+
+SOFT_LINK_FRAMEWORK(AVKit)
+SOFT_LINK_CLASS(AVKit, AVValueTiming)
+
 #if USE(APPLE_INTERNAL_SDK)
 #include <WebKitAdditions/WebVideoFullscreenInterfaceMacAdditions.mm>
 #endif
 
+using namespace WebCore;
+
+@interface WebPlaybackControlsManager : NSObject {
+    NSTimeInterval _contentDuration;
+    AVValueTiming *_timing;
+    NSTimeInterval _seekToTime;
+    NSArray *_seekableTimeRanges;
+    BOOL _hasEnabledAudio;
+    BOOL _hasEnabledVideo;
+    float _rate;
+
+@private
+    WebCore::WebVideoFullscreenInterfaceMac* _webVideoFullscreenInterfaceMac;
+}
+
+@property (readwrite) NSTimeInterval contentDuration;
+@property (nonatomic, retain, readwrite) AVValueTiming *timing;
+@property NSTimeInterval seekToTime;
+@property (nonatomic, retain, readwrite) NSArray *seekableTimeRanges;
+@property (readwrite) BOOL hasEnabledAudio;
+@property (readwrite) BOOL hasEnabledVideo;
+
+@property (nonatomic) float rate;
+
+- (instancetype)initWithWebVideoFullscreenInterfaceMac:(WebCore::WebVideoFullscreenInterfaceMac*)webVideoFullscreenInterfaceMac;
+
+@end
+
+#if USE(APPLE_INTERNAL_SDK)
+#import <WebKitAdditions/WebPlaybackControlsControllerAdditions.mm>
+#endif
+
+@implementation WebPlaybackControlsManager
+
+@synthesize contentDuration=_contentDuration;
+@synthesize timing=_timing;
+@synthesize seekToTime=_seekToTime;
+@synthesize seekableTimeRanges=_seekableTimeRanges;
+@synthesize hasEnabledAudio=_hasEnabledAudio;
+@synthesize hasEnabledVideo=_hasEnabledVideo;
+@synthesize rate=_rate;
+
+- (instancetype)initWithWebVideoFullscreenInterfaceMac:(WebCore::WebVideoFullscreenInterfaceMac*)webVideoFullscreenInterfaceMac
+{
+    if (!(self = [super init]))
+        return nil;
+
+    _webVideoFullscreenInterfaceMac = webVideoFullscreenInterfaceMac;
+
+    return self;
+}
+
+- (BOOL)isSeeking
+{
+    return NO;
+}
+
+- (void)seekToTime:(NSTimeInterval)time toleranceBefore:(NSTimeInterval)toleranceBefore toleranceAfter:(NSTimeInterval)toleranceAfter
+{
+    UNUSED_PARAM(toleranceBefore);
+    UNUSED_PARAM(toleranceAfter);
+    _webVideoFullscreenInterfaceMac->webVideoFullscreenModel()->seekToTime(time);
+}
+
+- (NSArray *)audioMediaSelectionOptions
+{
+    return @[];
+}
+
+- (AVMediaSelectionOption *)currentAudioMediaSelectionOption
+{
+    return nil;
+}
+
+- (void)setCurrentAudioMediaSelectionOption:(AVMediaSelectionOption *)audioMediaSelectionOption
+{
+    UNUSED_PARAM(audioMediaSelectionOption);
+}
+
+- (NSArray *)legibleMediaSelectionOptions
+{
+    return @[];
+}
+
+- (AVMediaSelectionOption *)currentLegibleMediaSelectionOption
+{
+    return nil;
+}
+
+- (void)setCurrentLegibleMediaSelectionOption:(AVMediaSelectionOption *)legibleMediaSelectionOption
+{
+    UNUSED_PARAM(legibleMediaSelectionOption);
+}
+
+- (void)cancelThumbnailAndAudioAmplitudeSampleGeneration
+{
+}
+
+#if USE(APPLE_INTERNAL_SDK)
+#import <WebKitAdditions/WebPlaybackControlsControllerThumbnailAdditions.mm>
+#endif
+
+@end
+
 namespace WebCore {
 
 WebVideoFullscreenInterfaceMac::~WebVideoFullscreenInterfaceMac()
@@ -74,6 +188,66 @@
         m_videoFullscreenModel->fullscreenModeChanged(m_mode);
 }
 
+void WebVideoFullscreenInterfaceMac::setDuration(double duration)
+{
+    WebPlaybackControlsManager* controlsManager = playBackControlsManager();
+
+    controlsManager.contentDuration = duration;
+
+    // FIXME: We take this as an indication that playback is ready, but that is not necessarily true.
+    controlsManager.hasEnabledAudio = YES;
+    controlsManager.hasEnabledVideo = YES;
+}
+
+void WebVideoFullscreenInterfaceMac::setCurrentTime(double currentTime, double anchorTime)
+{
+    WebPlaybackControlsManager* controlsManager = playBackControlsManager();
+
+    NSTimeInterval anchorTimeStamp = ![controlsManager rate] ? NAN : anchorTime;
+    AVValueTiming *timing = [getAVValueTimingClass() valueTimingWithAnchorValue:currentTime
+        anchorTimeStamp:anchorTimeStamp rate:0];
+    
+    [controlsManager setTiming:timing];
+}
+
+void WebVideoFullscreenInterfaceMac::setRate(bool isPlaying, float playbackRate)
+{
+    WebPlaybackControlsManager* controlsManager = playBackControlsManager();
+
+    [controlsManager setRate:isPlaying ? playbackRate : 0.];
+}
+
+void WebVideoFullscreenInterfaceMac::setSeekableRanges(const TimeRanges& timeRanges)
+{
+    WebPlaybackControlsManager* controlsManager = playBackControlsManager();
+
+    RetainPtr<NSMutableArray> seekableRanges = adoptNS([[NSMutableArray alloc] init]);
+
+    for (unsigned i = 0; i < timeRanges.length(); i++) {
+        const PlatformTimeRanges& ranges = timeRanges.ranges();
+        CMTimeRange range = CMTimeRangeMake(toCMTime(ranges.start(i)), toCMTime(ranges.end(i)));
+        [seekableRanges addObject:[NSValue valueWithCMTimeRange:range]];
+    }
+    
+    [controlsManager setSeekableTimeRanges:seekableRanges.get()];
+}
+
+void WebVideoFullscreenInterfaceMac::ensureControlsManager()
+{
+    playBackControlsManager();
+}
+
+WebPlaybackControlsManager *WebVideoFullscreenInterfaceMac::playBackControlsManager()
+{
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
+    if (!m_playbackControlsManager)
+        m_playbackControlsManager = adoptNS([[WebPlaybackControlsManager alloc] initWithWebVideoFullscreenInterfaceMac:this]);
+    return m_playbackControlsManager.get();
+#else
+    return nil;
+#endif
+}
+
 #if !USE(APPLE_INTERNAL_SDK)
 void WebVideoFullscreenInterfaceMac::setupFullscreen(NSView&, const IntRect&, NSWindow *, HTMLMediaElementEnums::VideoFullscreenMode, bool)
 {

Modified: trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h (197460 => 197461)


--- trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -101,15 +101,6 @@
 @end
 
 #endif // USE(APPLE_INTERNAL_SDK)
-
-@interface AVValueTiming : NSObject <NSCoding, NSCopying, NSMutableCopying>
-@end
-
-@interface AVValueTiming ()
-+ (AVValueTiming *)valueTimingWithAnchorValue:(double)anchorValue anchorTimeStamp:(NSTimeInterval)timeStamp rate:(double)rate;
-@property (NS_NONATOMIC_IOSONLY, readonly) double currentValue;
-@end
-
 #endif // PLATFORM(IOS)
 
 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
@@ -144,6 +135,14 @@
 @end
 
 
-#endif
+#endif // USE(APPLE_INTERNAL_SDK)
 
-#endif
+#endif // ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
+
+@interface AVValueTiming : NSObject <NSCoding, NSCopying, NSMutableCopying> 
+@end
+
+@interface AVValueTiming ()
++ (AVValueTiming *)valueTimingWithAnchorValue:(double)anchorValue anchorTimeStamp:(NSTimeInterval)timeStamp rate:(double)rate;
+@property (NS_NONATOMIC_IOSONLY, readonly) double currentValue;
+@end

Modified: trunk/Source/WebKit2/ChangeLog (197460 => 197461)


--- trunk/Source/WebKit2/ChangeLog	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/ChangeLog	2016-03-02 20:59:28 UTC (rev 197461)
@@ -1,3 +1,48 @@
+2016-03-02  Beth Dakin  <[email protected]>
+
+        Add support for playbackControlsManager
+        https://bugs.webkit.org/show_bug.cgi?id=154742
+        -and corresponding-
+        rdar://problem/23833753
+
+        Reviewed by Jer Noble.
+
+        WebVideoFullscreenManagerProxy ensures the model and interface for the 
+        UIProcess side of the playbackControlsManager. It also caches the 
+        m_controlsManagerContextId so that it can return the 
+        controlsManagerInterface.
+        * UIProcess/Cocoa/WebVideoFullscreenManagerProxy.h:
+        * UIProcess/Cocoa/WebVideoFullscreenManagerProxy.messages.in:
+        * UIProcess/Cocoa/WebVideoFullscreenManagerProxy.mm:
+        (WebKit::WebVideoFullscreenManagerProxy::setUpVideoControlsManagerWithID):
+        (WebKit::WebVideoFullscreenManagerProxy::controlsManagerInterface):
+
+        Pipe isPlayingMediaDidChange() to WebViewImpl, and use that information to 
+        update WebViewImplAdditions.
+        * UIProcess/Cocoa/WebViewImpl.h:
+        * UIProcess/Cocoa/WebViewImpl.mm:
+        (WebKit::WebViewImpl::isPlayingMediaDidChange):
+        * UIProcess/PageClient.h:
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::isPlayingMediaDidChange):
+        (WebKit::WebPageProxy::isPlayingVideoWithAudio):
+        * UIProcess/WebPageProxy.h:
+        (WebKit::WebPageProxy::isPlayingAudio):
+        * UIProcess/mac/PageClientImpl.h:
+        * UIProcess/mac/PageClientImpl.mm:
+        (WebKit::PageClientImpl::isPlayingMediaDidChange):
+
+        Pipe setUpVideoControlsManager to the WebVideoFullscreenManager.
+        * WebProcess/WebCoreSupport/WebChromeClient.cpp:
+        (WebKit::WebChromeClient::setUpVideoControlsManager):
+        * WebProcess/WebCoreSupport/WebChromeClient.h:
+
+        Ensure the model an interface for the playbackControlsManager on the 
+        WebProcess side and pass the message to the UIProcess to do the same.
+        * WebProcess/cocoa/WebVideoFullscreenManager.h:
+        * WebProcess/cocoa/WebVideoFullscreenManager.mm:
+        (WebKit::WebVideoFullscreenManager::setUpVideoControlsManager):
+
 2016-03-02  Carlos Garcia Campos  <[email protected]>
 
         REGRESSION(r197409): [GTK] Web process always crashes on WebPage construction after r197409

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.h (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -119,6 +119,8 @@
     void applicationDidBecomeActive();
     bool isVisible() const;
 
+    PlatformWebVideoFullscreenInterface& controlsManagerInterface();
+
 private:
     friend class WebVideoFullscreenModelContext;
 
@@ -133,6 +135,7 @@
 
     // Messages from WebVideoFullscreenManager
     void setupFullscreenWithID(uint64_t contextId, uint32_t videoLayerID, const WebCore::IntRect& initialRect, float hostingScaleFactor, WebCore::HTMLMediaElementEnums::VideoFullscreenMode, bool allowsPictureInPicture);
+    void setUpVideoControlsManagerWithID(uint64_t contextId);
     void resetMediaState(uint64_t contextId);
     void setCurrentTime(uint64_t contextId, double currentTime, double hostTime);
     void setBufferedTime(uint64_t contextId, double bufferedTime);
@@ -175,6 +178,7 @@
 
     WebPageProxy* m_page;
     HashMap<uint64_t, ModelInterfaceTuple> m_contextMap;
+    uint64_t m_controlsManagerContextId { 0 };
 
 };
     

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.messages.in (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.messages.in	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.messages.in	2016-03-02 20:59:28 UTC (rev 197461)
@@ -39,5 +39,6 @@
     ExitFullscreen(uint64_t contextId, WebCore::IntRect finalRect)
     CleanupFullscreen(uint64_t contextId)
     PreparedToReturnToInline(uint64_t contextId, bool visible, WebCore::IntRect inlineRect)
+    SetUpVideoControlsManagerWithID(uint64_t contextId)
 }
 #endif

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.mm (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.mm	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebVideoFullscreenManagerProxy.mm	2016-03-02 20:59:28 UTC (rev 197461)
@@ -374,6 +374,24 @@
 #endif
 }
 
+void WebVideoFullscreenManagerProxy::setUpVideoControlsManagerWithID(uint64_t contextId)
+{
+#if PLATFORM(MAC)
+    // If there is an existing controls manager, clean it up.
+    if (m_controlsManagerContextId)
+        m_contextMap.remove(m_controlsManagerContextId);
+
+    RefPtr<WebVideoFullscreenModelContext> model;
+    RefPtr<PlatformWebVideoFullscreenInterface> interface;
+
+    std::tie(model, interface) = ensureModelAndInterface(contextId);
+    m_controlsManagerContextId = contextId;
+    interface->ensureControlsManager();
+#else
+    UNUSED_PARAM(contextId);
+#endif
+}
+
 void WebVideoFullscreenManagerProxy::resetMediaState(uint64_t contextId)
 {
     ensureInterface(contextId).resetMediaState();
@@ -615,6 +633,11 @@
     return m_page->isViewVisible() && m_page->isInWindow();
 }
 
+PlatformWebVideoFullscreenInterface& WebVideoFullscreenManagerProxy::controlsManagerInterface()
+{
+    return ensureInterface(m_controlsManagerContextId);
+}
+
 void WebVideoFullscreenManagerProxy::fullscreenMayReturnToInline(uint64_t contextId)
 {
     bool isViewVisible = m_page->isViewVisible();

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -324,6 +324,7 @@
     void completeImmediateActionAnimation();
     void didChangeContentSize(CGSize);
     void didHandleAcceptedCandidate();
+    void isPlayingMediaDidChange();
 
     void setIgnoresNonWheelEvents(bool);
     bool ignoresNonWheelEvents() const { return m_ignoresNonWheelEvents; }

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm	2016-03-02 20:59:28 UTC (rev 197461)
@@ -2371,6 +2371,13 @@
     m_isHandlingAcceptedCandidate = false;
 }
 
+void WebViewImpl::isPlayingMediaDidChange()
+{
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
+    updateWebViewImplAdditions();
+#endif
+}
+
 void WebViewImpl::setIgnoresNonWheelEvents(bool ignoresNonWheelEvents)
 {
     if (m_ignoresNonWheelEvents == ignoresNonWheelEvents)

Modified: trunk/Source/WebKit2/UIProcess/PageClient.h (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/PageClient.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/PageClient.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -350,6 +350,8 @@
     virtual void* immediateActionAnimationControllerForHitTestResult(RefPtr<API::HitTestResult>, uint64_t, RefPtr<API::Object>) = 0;
 
     virtual void didHandleAcceptedCandidate() = 0;
+
+    virtual void isPlayingMediaDidChange() = 0;
 #endif
 
 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)

Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp	2016-03-02 20:59:28 UTC (rev 197461)
@@ -5994,9 +5994,17 @@
     if ((oldState & MediaProducer::IsPlayingAudio) == (m_mediaState & MediaProducer::IsPlayingAudio))
         return;
 
+#if PLATFORM(MAC)
+    m_pageClient.isPlayingMediaDidChange();
+#endif
     m_uiClient->isPlayingAudioDidChange(*this);
 }
 
+bool WebPageProxy::isPlayingVideoWithAudio() const
+{
+    return m_mediaState & MediaProducer::IsPlayingAudio && m_mediaState & MediaProducer::IsPlayingVideo;
+}
+
 #if ENABLE(MEDIA_SESSION)
 void WebPageProxy::hasMediaSessionWithActiveMediaElementsDidChange(bool state)
 {

Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -1014,6 +1014,8 @@
     bool isPlayingAudio() const { return !!(m_mediaState & WebCore::MediaProducer::IsPlayingAudio); }
     void isPlayingMediaDidChange(WebCore::MediaProducer::MediaStateFlags, uint64_t);
 
+    bool isPlayingVideoWithAudio() const;
+
 #if ENABLE(MEDIA_SESSION)
     void hasMediaSessionWithActiveMediaElementsDidChange(bool);
     void mediaSessionMetadataDidChange(const WebCore::MediaSessionMetadata&);

Modified: trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.h (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -214,6 +214,8 @@
 
     virtual void didHandleAcceptedCandidate() override;
 
+    void isPlayingMediaDidChange() override;
+
     virtual void showPlatformContextMenu(NSMenu *, WebCore::IntPoint) override;
 
     virtual void didChangeBackgroundColor() override;

Modified: trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.mm (197460 => 197461)


--- trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.mm	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/UIProcess/mac/PageClientImpl.mm	2016-03-02 20:59:28 UTC (rev 197461)
@@ -794,6 +794,11 @@
     m_impl->didHandleAcceptedCandidate();
 }
 
+void PageClientImpl::isPlayingMediaDidChange()
+{
+    m_impl->isPlayingMediaDidChange();
+}
+
 void PageClientImpl::showPlatformContextMenu(NSMenu *menu, IntPoint location)
 {
     [menu popUpMenuPositioningItem:nil atLocation:location inView:m_view];

Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp (197460 => 197461)


--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp	2016-03-02 20:59:28 UTC (rev 197461)
@@ -855,6 +855,11 @@
     return m_page->videoFullscreenManager()->supportsVideoFullscreen(mode);
 }
 
+void WebChromeClient::setUpVideoControlsManager(WebCore::HTMLVideoElement& videoElement)
+{
+    m_page->videoFullscreenManager()->setUpVideoControlsManager(videoElement);
+}
+
 void WebChromeClient::enterVideoFullscreenForVideoElement(WebCore::HTMLVideoElement& videoElement, WebCore::HTMLMediaElementEnums::VideoFullscreenMode mode)
 {
     ASSERT(mode != HTMLMediaElementEnums::VideoFullscreenModeNone);

Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h (197460 => 197461)


--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -244,6 +244,7 @@
 
 #if PLATFORM(IOS) || (PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE))
     virtual bool supportsVideoFullscreen(WebCore::HTMLMediaElementEnums::VideoFullscreenMode) override;
+    virtual void setUpVideoControlsManager(WebCore::HTMLVideoElement&) override;
     virtual void enterVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&, WebCore::HTMLMediaElementEnums::VideoFullscreenMode) override;
     virtual void exitVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&) override;
 #endif

Modified: trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.h (197460 => 197461)


--- trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.h	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.h	2016-03-02 20:59:28 UTC (rev 197461)
@@ -116,6 +116,7 @@
     bool supportsVideoFullscreen(WebCore::HTMLMediaElementEnums::VideoFullscreenMode) const;
     void enterVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&, WebCore::HTMLMediaElementEnums::VideoFullscreenMode);
     void exitVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&);
+    void setUpVideoControlsManager(WebCore::HTMLVideoElement&);
     
 protected:
     friend class WebVideoFullscreenInterfaceContext;
@@ -168,6 +169,7 @@
     WebPage* m_page;
     HashMap<WebCore::HTMLVideoElement*, uint64_t> m_videoElements;
     HashMap<uint64_t, ModelInterfaceTuple> m_contextMap;
+    uint64_t m_controlsManagerContextId { 0 };
 };
     
 } // namespace WebKit

Modified: trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.mm (197460 => 197461)


--- trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.mm	2016-03-02 20:49:57 UTC (rev 197460)
+++ trunk/Source/WebKit2/WebProcess/cocoa/WebVideoFullscreenManager.mm	2016-03-02 20:59:28 UTC (rev 197461)
@@ -279,6 +279,34 @@
     m_page->send(Messages::WebVideoFullscreenManagerProxy::ExitFullscreen(contextId, clientRectForElement(&videoElement)), m_page->pageID());
 }
 
+void WebVideoFullscreenManager::setUpVideoControlsManager(WebCore::HTMLVideoElement& videoElement)
+{
+    // If there is an existing controls manager, clean it up.
+    if (m_controlsManagerContextId) {
+        RefPtr<WebVideoFullscreenModelVideoElement> model;
+        RefPtr<WebVideoFullscreenInterfaceContext> interface;
+        std::tie(model, interface) = ensureModelAndInterface(m_controlsManagerContextId);
+
+        RefPtr<HTMLVideoElement> videoElement = model->videoElement();
+        model->setVideoElement(nullptr);
+        model->setWebVideoFullscreenInterface(nullptr);
+        interface->invalidate();
+        m_videoElements.remove(videoElement.get());
+        m_contextMap.remove(m_controlsManagerContextId);
+    }
+
+    auto addResult = m_videoElements.ensure(&videoElement, [&] { return nextContextId(); });
+    auto contextId = addResult.iterator->value;
+    m_controlsManagerContextId = contextId;
+
+    RefPtr<WebVideoFullscreenModelVideoElement> model;
+    RefPtr<WebVideoFullscreenInterfaceContext> interface;
+    std::tie(model, interface) = ensureModelAndInterface(contextId);
+    model->setVideoElement(&videoElement);
+    
+    m_page->send(Messages::WebVideoFullscreenManagerProxy::SetUpVideoControlsManagerWithID(contextId), m_page->pageID());
+}
+
 #pragma mark Interface to WebVideoFullscreenInterfaceContext:
 
 void WebVideoFullscreenManager::resetMediaState(uint64_t contextId)
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