Bug 236422 – [macOS] Support both versions of ScreenCaptureKit API

• Component: WebRTC
• Status: RESOLVED FIXED

[Eric Carlson]

Support the new and deprecated ScreenCaptureKit API simultaneously so not everyone has to update at the same time.

[Radar WebKit Bug Importer]

<rdar://problem/88726849>

[Eric Carlson]

Created attachment 451481 [details]
Patch

[youenn fablet]

Comment on attachment 451481 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=451481&action=review

> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:95
>      WeakPtr<ScreenCaptureKitCaptureSource> _callback;

Style question: Is it _callback or callback_ or m_callback that we are supposed to use?

> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:180
> +    m_useNewAPI = [PAL::getSCStreamClass() instancesRespondToSelector:@selector(stopCaptureWithCompletionHandler:)];

, m_useNewAPI(...)

> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:211
>      if (m_contentStream) {

We could do if (!m_contentStream) return;

> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:447
> +

Not needed

[Eric Carlson]

Created attachment 451544 [details]
Patch for landing

[Eric Carlson]

Comment on attachment 451481 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=451481&action=review

>> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:95
>>      WeakPtr<ScreenCaptureKitCaptureSource> _callback;
> 
> Style question: Is it _callback or callback_ or m_callback that we are supposed to use?

As far as I can tell, it is usually `_callback` in ObjC code.

>> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:180
>> +    m_useNewAPI = [PAL::getSCStreamClass() instancesRespondToSelector:@selector(stopCaptureWithCompletionHandler:)];
> 
> , m_useNewAPI(...)

Fixed.

>> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:211
>>      if (m_contentStream) {
> 
> We could do if (!m_contentStream) return;

Oops, I missed this but will change in an upcoming patch.

>> Source/WebCore/platform/mediastream/mac/ScreenCaptureKitCaptureSource.mm:447
>> +
> 
> Not needed

Removed.

[EWS]

Committed r289547 (247078@main): <https://commits.webkit.org/247078@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 451544 [details].

[Eric Carlson]

Comment on attachment 451544 [details]
Patch for landing

This code is macOS only, the Windows failure is unrelated.