[webkit-changes] [WebKit/WebKit] 581471: [WebXR] ARKitCoordinator enter/exit state management

[Dan Glastonbury]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 581471a69f32321409f5cbd38a34265769e9cd53
      https://github.com/WebKit/WebKit/commit/581471a69f32321409f5cbd38a34265769e9cd53
  Author: Dan Glastonbury <djg at apple.com>
  Date:   2023-10-07 (Sat, 07 Oct 2023)

  Changed paths:
    M Source/WebKit/UIProcess/XR/ios/PlatformXRARKit.h
    M Source/WebKit/UIProcess/XR/ios/PlatformXRARKit.mm

  Log Message:
  -----------
  [WebXR] ARKitCoordinator enter/exit state management
https://bugs.webkit.org/show_bug.cgi?id=262760
rdar://116502232

Reviewed by Dean Jackson.

Implement basic state management for ARKitCoordinator to provide enough support
for immersive-ar-session.html to support starting and exiting an immersive AR
session and handle messages from the page.

* Source/WebKit/UIProcess/XR/ios/PlatformXRARKit.h:
* Source/WebKit/UIProcess/XR/ios/PlatformXRARKit.mm:
(WebKit::ARKitCoordinator::startSession):
(WebKit::ARKitCoordinator::endSessionIfExists):
(WebKit::ARKitCoordinator::scheduleAnimationFrame):
(WebKit::ARKitCoordinator::submitFrame):
(WebKit::ARKitCoordinator::currentSessionHasEnded):
(WebKit::ARKitCoordinator::didCompleteSessionSetup):

Canonical link: https://commits.webkit.org/269052@main