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Explainer https://github.com/screen-share/capture-all-screens/blob/main/explainer.md Specification https://screen-share.github.io/capture-all-screens/ Design docs https://screen-share.github.io/capture-all-screens https://github.com/screen-share/capture-all-screens/blob/main/explainer.md https://docs.google.com/document/d/1p8hhW8cp1PbhEClMTWzYGjfTkBxaNcD34170F60FRpg/edit?resourcekey=0-gLQD4Q6bPVJlZ3gEyZ4_mA#heading=h.qxjlhbc2utcv Summary Web apps will be able to capture multiple surfaces at once. This feature introduces a new API "getAllScreensMedia()" that allows developers to request several surfaces at once (instead of only one with "getDisplayMedia()"). This API will auto-accept capture requests (for managed sessions only), guarded by policies that have to be explicitly set by the device owners and with clear usage indicators so that users are aware of capturing at all times. Blink component Blink <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink> TAG review None TAG review status Pending Risks Interoperability and Compatibility This API rejects requests from pages that are not allow-listed through an administrator. The likelihood of this API being adopted by a browser that does not provide administrators mechanisms to manage clients is low. Gecko: N/A - given that the API is limited to managed configurations, it's not clear that requesting a position is needed WebKit: N/A - given that the API is limited to managed configurations, it's not clear that requesting a position is needed Web developers: Positive ( https://github.com/screen-share/capture-all-screens/issues/9) Other signals: Ergonomics No Security - Malicious sites exploiting the API and stealing sensitive information shown on the users device: Prevented by enabling the API only for pages allowlisted by the device’s admin. - Users exposing private information on managed devices: Prevented by notifying the user that 1) capture *may* happen in the session, 2) showing a notification when capturing *is* happening and 3) showing a system tray icon when capturing *is* happening (c.f. Privacy comments and approval on https://bugs.chromium.org/p/chromium/issues/detail?id=1300881). WebView application risks Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications? None Goals for experimentation Learn about the experience of web developers and how this API fulfills their needs. Ongoing technical constraints None Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No Right now this API is only supported on ChromeOS. The privacy measures (e.g. the right way to notify users on login / API users) will have to be developed for other platforms first. Data from the ChromeOS platform will help to design this on other platforms. Is this feature fully tested by web-platform-tests <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> ? No, as WPTs don’t support setting of managed policies. The API is tested by a number of unit- and browser- tests (Test files <https://source.chromium.org/search?q=getallscreensmedia%20f:test.cc%20-f:out%2F&sq=> ). DevTrial instructions https://github.com/screen-share/capture-all-screens/blob/main/HOWTO.md Flag name enable-get-all-screens-media Requires code in //chrome? True. To support this API, embedders need to implement the ContentBrowserClient::ContentCreateScreenEnumerator <https://source.chromium.org/chromium/chromium/src/+/refs/heads/main:content/public/browser/content_browser_client.h;l=1377;drc=9c68f2c46912577bf73bcf032c0f8c00379a0bca> interface. Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=1300883 Launch bug https://bugs.chromium.org/p/chromium/issues/detail?id=1300881 Estimated milestones DevTrial on desktop 116 Link to entry on the Chrome Platform Status https://chromestatus.com/feature/6284029979525120 Links to previous Intent discussionsIntent to prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAEdDZo9N354i6eST0x19TXwpeBtgs5_gJUYVF%2BTKLpiJySDADg%40mail.gmail.com -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAEdDZo91PLDMpuKuUBbqTtWvA9KRBAAJW6MxozCKcaipaGOTbQ%40mail.gmail.com.
