<div dir="auto">For browser Interaction team<div dir="auto">This adds to functionality of pwa in interesting way.<br><br><div data-smartmail="gmail_signature" dir="auto">thx ..Tom (mobile)</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <strong class="gmail_sendername" dir="auto">Alan Cutter</strong> <span dir="auto"><<a href="mailto:alancutter@chromium.org">alancutter@chromium.org</a>></span><br>Date: Thu, Feb 4, 2021, 3:16 AM<br>Subject: [blink-dev] Intent to Experiment: Declarative Link Capturing for PWAs<br>To: blink-dev <<a href="mailto:blink-dev@chromium.org">blink-dev@chromium.org</a>><br></div><br><br><div dir="ltr"><span id="m_-4343107340717936965gmail-docs-internal-guid-236ce71c-7fff-1666-a447-b24a2a5076f7"><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Roboto,sans-serif;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"></span></h4><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Contact emails</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:mgiuca@chromium.org" target="_blank" rel="noreferrer">mgiuca@chromium.org</a></span><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, </span><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:alancutter@chromium.org" target="_blank" rel="noreferrer">alancutter@chromium.org</a></span><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, </span><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:trevorlu@chromium.org" target="_blank" rel="noreferrer">trevorlu@chromium.org</a></span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Explainer</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://github.com/WICG/sw-launch/blob/master/declarative_link_capturing.md" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">https://github.com/WICG/sw-launch/blob/master/declarative_link_capturing.md</span></a></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Specification</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">None</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Summary</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">New Web App Manifest member to control what happens when the user navigates to a page within scope of an installed web app.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">This feature introduces the "capture_links" member, an enumeration allowing the customization of link capturing behaviour, allowing sites to:</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">- Automatically open a new PWA window when the user clicks a link to their app.</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">- Have a "single window mode" like mobile apps.</span></p><br><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Blink component</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://bugs.chromium.org/p/chromium/issues/list?q=component:UI%3EBrowser%3EWebAppInstalls" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">UI>Browser>WebAppInstalls</span></a></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Search tags</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://chromestatus.com/features#tags:pwa" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">pwa</span></a><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, </span><a href="https://chromestatus.com/features#tags:link%20capturing" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">link capturing</span></a></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">TAG review</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><a href="https://github.com/w3ctag/design-reviews/issues/589" target="_blank" rel="noreferrer">https://github.com/w3ctag/design-reviews/issues/589</a></span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">TAG review status</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">In progress</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Risks</span></h4><br><br><h4 dir="ltr" style="line-height:1.38;margin-left:42pt;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Interoperability and Compatibility</span></h4><p dir="ltr" style="line-height:1.38;margin-left:42pt;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Very small, since any browser not implementing this will just fall back to the standard behaviour, which is to navigate to links in a browser tab.<br>This member is also forwards compatible as it can accept a list of behaviours, older browsers will bypass any new ones that are added later.

Gecko: No signal</span></p><br><p dir="ltr" style="line-height:1.38;margin-left:42pt;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Edge: Strong positive, this compliments their efforts in specing </span><a href="https://github.com/WICG/pwa-url-handler/blob/master/explainer.md" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">url_handlers</span></a><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">.</span></p><br><p dir="ltr" style="line-height:1.38;margin-left:42pt;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">WebKit: No signal</span></p><br><p dir="ltr" style="line-height:1.38;margin-left:42pt;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Web developers: No signals</span></p><br><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Goals for experimentation</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Looking for feedback on whether the current behaviours and implementation adequately satisfy real world needs. This experiment is also for web developers to determine whether this additional feature is enough to justify building a PWA over other native app solutions.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Experimental timeline</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Start: M90</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">End: M93</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Ongoing technical constraints</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">None</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Not supported on Android, their window model doesn’t make sense for “new-client”.</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Is this feature fully tested by </span><a href="https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">web-platform-tests</span></a><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">?</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">No</span></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Link to entry on the Chrome Platform Status</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://chromestatus.com/feature/5734953453092864" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">https://chromestatus.com/feature/5734953453092864</span></a></p><br><h4 dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Links to previous Intent discussions</span></h4><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Intent to prototype: </span><a href="https://groups.google.com/a/chromium.org/g/blink-dev/c/2ZnA1IrSpS8" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">https://groups.google.com/a/chromium.org/g/blink-dev/c/2ZnA1IrSpS8</span></a></p><br><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">This intent message was generated by </span><a href="https://www.chromestatus.com/" style="text-decoration-line:none" target="_blank" rel="noreferrer"><span style="font-size:10.5pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Chrome Platform Status</span></a><span style="font-size:10.5pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">.</span></p><br></span></div>

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