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Progress on Blink for iOS

Gyuyoung Kim

Lightning talk in BlinkOn 19

@igalia

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Alternative Browser Engine in iOS

  • Apple allowed third-party browser engines, such as Gecko and Blink, to be used on iOS in EU
    • Allowed alternative browser engines in iOS 17.4[1]
    • Introduced BrowserEngineKit in iOS 17.4[2]
  • The Chromium community has been developing Chrome iOS based on Blink as an experimental project

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Structure of Chrome iOS with Blink

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Igalia Contributions

  • Supported UI components
    • file/color choosers, context menu,�select list popup, and integration�with Chrome iOS UI

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Igalia Contributions (Cont.)

  • Multimedia
    • Video screen capture, hardware encoding/decoding, and media recording
  • Implemented missing functionalities or features
    • Geolocation APIs, MIDI APIs, Bluetooth Chooser, Battery Status, and so on.
  • Supported unit tests, browser tests, and web tests
  • Maintained the ios-blink-dbg-fyi bot[3]
  • Supported the remote debugging with DevTools[4]

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Demo

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Todo Tasks

  • Not supported UI features or functionalities yet
    • Printing preview, Download, Text selection, Request desktop site, Zoom text, Translate, Find in page, and Touch event
  • A lot of failing or skipped tests in unit tests, browser tests, and web tests
  • Stability and performance optimization

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Thank you!

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References

[1] https://developer.apple.com/support/alternative-browser-engines/

[2] https://developer.apple.com/documentation/browserenginekit

[3] https://ci.chromium.org/ui/p/chromium/builders/ci/ios-blink-dbg-fyi

[4] https://chromium.googlesource.com/chromium/src/+/main/docs/ios/build_instructions.md#remote-debugging-with-devtools-on-blink-for-ios