Intent to Ship: Web Share Target Level 2

[Glenn Hartmann]

Contact emails ericwi...@chromium.org,mgi...@chromium.org,benw...@chromium.org,yfri...@chromium.org,hart...@chromium.org Explainer https://github.com/WICG/web-share-target/blob/master/docs/explainer.md Spec https://wicg.github.io/web-share-target/level-2/ Summary Installed web applications can now receive file shares, e.g. images. Using the manifest, the web application can declare which MIME types and/or file extensions it accepts. Previously, mobile platforms allowed files to be shared to native applications, but not web applications. Link to “Intent to Implement” blink-dev discussion https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/AiKgWvv3cq0/xAsjfSfMDQAJ Risks

Interoperability and Compatibility No signal from Safari. Firefox: Public support (https://github.com/mozilla/standards-positions/issues/27) Edge: No public signals Safari: No public signals Web developers: Positive

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No Is this feature fully tested by web-platform-tests? No https://wpt.fyi/results/web-share?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox%5Bexperimental%5D&product=safari%5Bexperimental%5D&aligned Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=885313 Link to entry on the Chrome Platform Status https://www.chromestatus.com/features/6124071381106688

See also: closely tied I2S for Web Share Target Level 1 https://groups.google.com/a/chromium.org/forum/?utm_medium=email&utm_source=footer#!msg/chromium-dev/WJDfhllALb8/18AKXbPGAgAJ

[rek...@gmail.com]

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No

What platforms will this ship on? Is there anything to track for any of the other platforms?

[Glenn Hartmann]

The initial launch is for Android. I'm not personally involved in other platforms, but ericwilligers@ or benwells@ can maybe speak to that.

On Fri, Mar 29, 2019 at 11:44 AM <rek...@gmail.com> wrote:

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No

What platforms will this ship on? Is there anything to track for any of the other platforms?

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[Eric Willigers]

We are hoping to implement Web Share and Web Share Target on Chrome OS in the near future.

Discussions about other desktop platforms would follow Chrome OS.

[rek...@gmail.com]

Cool.

This is pretty badly needed for the federated Mastodon social networking users, who need to be able to reply to and fav across sites. Currently whenever I visit someone's feed, and try to fav something, I get a pop-up box asking me what my account is, so it can properly redirect the like to my own instance. Web Share would let the site just says "share this" and my own site could be the delegated/designated Web Share Target & it would just work, I believe.

Getting it on desktop (Linux!) would be a major improvement for us users of the Fediverse.

Thanks. Onwards & upwards.

[Daniel Bratell]

I have some, mostly "checking that all the i:s are dotted", questions.

The linked spec says: "This is an early draft of the Web Share Target spec."

I'm assuming that is a leftover from early days? Otherwise it seems a bit early to ship it in stable.

Is there a permanent home on the horizon for the specification?

Getting Safari and iOS on board here would be valuable considering that people might want to share things on that platform too. Have you tried to get any signal from them so that we can interpret their answer or non-answer?

When you write "no" and a link to the question whether it's fully tested, does that mean that it's tested but not fully? If so, how far from fully? I do understand that a feature like this might need more testing support from the framework than wpt provides so it's more about testing what can be tested.

And finally a side-question: How has the origin trial worked out?

/Daniel

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/* Opera Software, Linköping, Sweden: CET (UTC+1) */

[rhal...@google.com]

Please make sure this goes through privacy review.

On Friday, March 29, 2019 at 4:02:59 PM UTC+1, Glenn Hartmann wrote:

Contact emails ericwi...@chromium.org,mgiu...@chromium.org,benw...@chromium.org,yfri...@chromium.org,hart...@chromium.org Explainer https://github.com/WICG/web-share-target/blob/master/docs/explainer.md Spec https://wicg.github.io/web-share-target/level-2/ Summary Installed web applications can now receive file shares, e.g. images. Using the manifest, the web application can declare which MIME types and/or file extensions it accepts. Previously, mobile platforms allowed files to be shared to native applications, but not web applications. Link to “Intent to Implement” blink-dev discussion https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/AiKgWvv3cq0/xAsjfSfMDQAJ Risks

[Alex Russell]

LGTM1

On Wednesday, April 3, 2019 at 5:49:19 AM UTC-7, Ramin Halavati wrote:

Please make sure this goes through privacy review.

On Friday, March 29, 2019 at 4:02:59 PM UTC+1, Glenn Hartmann wrote:

Contact emails ericwi...@chromium.org,mgiuca@chromium.org,benw...@chromium.org,yfri...@chromium.org,hart...@chromium.org Explainer https://github.com/WICG/web-share-target/blob/master/docs/explainer.md Spec https://wicg.github.io/web-share-target/level-2/ Summary Installed web applications can now receive file shares, e.g. images. Using the manifest, the web application can declare which MIME types and/or file extensions it accepts. Previously, mobile platforms allowed files to be shared to native applications, but not web applications. Link to “Intent to Implement” blink-dev discussion https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/AiKgWvv3cq0/xAsjfSfMDQAJ Risks

[Chris Harrelson]

Hi,

Has the level 2 spec been through a TAG review?

On Thu, Apr 4, 2019 at 12:38 PM 'Alex Russell' via blink-dev <blin...@chromium.org> wrote:

LGTM1

On Wednesday, April 3, 2019 at 5:49:19 AM UTC-7, Ramin Halavati wrote:

Please make sure this goes through privacy review.

On Friday, March 29, 2019 at 4:02:59 PM UTC+1, Glenn Hartmann wrote:

Contact emails ericwi...@chromium.org,mgi...@chromium.org,benw...@chromium.org,yfri...@chromium.org,hart...@chromium.org Explainer https://github.com/WICG/web-share-target/blob/master/docs/explainer.md Spec https://wicg.github.io/web-share-target/level-2/ Summary Installed web applications can now receive file shares, e.g. images. Using the manifest, the web application can declare which MIME types and/or file extensions it accepts. Previously, mobile platforms allowed files to be shared to native applications, but not web applications. Link to “Intent to Implement” blink-dev discussion https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/AiKgWvv3cq0/xAsjfSfMDQAJ Risks

Interoperability and Compatibility No signal from Safari. Firefox: Public support (https://github.com/mozilla/standards-positions/issues/27) Edge: No public signals Safari: No public signals Web developers: Positive

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No Is this feature fully tested by web-platform-tests? No https://wpt.fyi/results/web-share?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox%5Bexperimental%5D&product=safari%5Bexperimental%5D&aligned Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=885313 Link to entry on the Chrome Platform Status https://www.chromestatus.com/features/6124071381106688

See also: closely tied I2S for Web Share Target Level 1 https://groups.google.com/a/chromium.org/forum/?utm_medium=email&utm_source=footer#!msg/chromium-dev/WJDfhllALb8/18AKXbPGAgAJ

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[Kenneth Rohde Christiansen]

Yes, many of these changes came out of the TAG review and it was not split up into level 1 and 2 then.

So I would say yes

Kenneth, TAG member

To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw8dA3xU_i-j0USf%3DhmiJN%3D%3DJUtjYx_6HCyqp%3DzoXtWZXA%40mail.gmail.com.

[Eric Willigers]

On Wed, Apr 3, 2019 at 8:50 PM Daniel Bratell <bra...@opera.com> wrote:

The linked spec says: "This is an early draft of the Web Share Target spec."

I'm assuming that is a leftover from early days? Otherwise it seems a bit early to ship it in stable.

That sentence was left over from 2017-10-03. It should be removed.

Spec changes since the end of October last year have been minimal.

 

Is there a permanent home on the horizon for the specification?

Web Share Target is currently defined using an extension point that Web App Manifest provides. It is anticipated that the Web Share Target spec can merge into the Web App Manifest spec.

Matt and I presented the specification to the Web Platform Working Group (minutes), which maintains the Web App Manifest specification.

 

Getting Safari and iOS on board here would be valuable considering that people might want to share things on that platform too. Have you tried to get any signal from them so that we can interpret their answer or non-answer?

We have kept Apple up to date with our progress.

Apple have implemented Web Share Level 1, which lets web sites create text/URL share requests.

We haven't received feedback about Web Share Target.

 

When you write "no" and a link to the question whether it's fully tested, does that mean that it's tested but not fully? If so, how far from fully? I do understand that a feature like this might need more testing support from the framework than wpt provides so it's more about testing what can be tested.

We have Blink tests but not WPTs.

The user agent has full discretion in deciding if a given web application should be included in the menu of share target suggestions. For example, it might decide based on user engagement. The user agent also has full discretion in deciding how to show the menu of share target suggestions. 

We would need to add to the framework a way to "insist" that an app be included in the menu, and a way to simulate the selection of a given web app from the menu. 

For now, we should add to WPT some manual interactive tests. 

 

[Alex Russell]

Share Target V2 was an outcome of a collaborative design process with the TAG (specifically David Baron and myself).

LGTM1

On Thursday, April 4, 2019 at 5:40:31 PM UTC-4, Chris Harrelson wrote:

Hi,

Has the level 2 spec been through a TAG review?

On Thu, Apr 4, 2019 at 12:38 PM 'Alex Russell' via blink-dev <blin...@chromium.org> wrote:

LGTM1

On Wednesday, April 3, 2019 at 5:49:19 AM UTC-7, Ramin Halavati wrote:

Please make sure this goes through privacy review.

On Friday, March 29, 2019 at 4:02:59 PM UTC+1, Glenn Hartmann wrote:

Contact emails ericwi...@chromium.org,mgiuca@chromium.org,benw...@chromium.org,yfri...@chromium.org,hart...@chromium.org Explainer https://github.com/WICG/web-share-target/blob/master/docs/explainer.md Spec https://wicg.github.io/web-share-target/level-2/ Summary Installed web applications can now receive file shares, e.g. images. Using the manifest, the web application can declare which MIME types and/or file extensions it accepts. Previously, mobile platforms allowed files to be shared to native applications, but not web applications. Link to “Intent to Implement” blink-dev discussion https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/AiKgWvv3cq0/xAsjfSfMDQAJ Risks

Interoperability and Compatibility No signal from Safari. Firefox: Public support (https://github.com/mozilla/standards-positions/issues/27) Edge: No public signals Safari: No public signals Web developers: Positive

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? No Is this feature fully tested by web-platform-tests? No https://wpt.fyi/results/web-share?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox%5Bexperimental%5D&product=safari%5Bexperimental%5D&aligned Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=885313 Link to entry on the Chrome Platform Status https://www.chromestatus.com/features/6124071381106688

See also: closely tied I2S for Web Share Target Level 1 https://groups.google.com/a/chromium.org/forum/?utm_medium=email&utm_source=footer#!msg/chromium-dev/WJDfhllALb8/18AKXbPGAgAJ

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[Chris Harrelson]

On Fri, Mar 29, 2019 at 11:02 AM Glenn Hartmann <hart...@chromium.org> wrote:

Is this feature fully tested by web-platform-tests? No https://wpt.fyi/results/web-share?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox%5Bexperimental%5D&product=safari%5Bexperimental%5D&aligned

Confused.

What do you mean by "no" here? Did you mean to say yes?

 

[Glenn Hartmann]

Sorry for my initial unclearness. I linked to the Web Share Level 2 WPT tests ("Web Share", not "Web Share Target"). While these are relevant, they're not quite a "full" comprehensive test for Web Share Target.

I think Eric explained well in his previous reply:

We have Blink tests but not WPTs.

The user agent has full discretion in deciding if a given web application should be included in the menu of share target suggestions. For example, it might decide based on user engagement. The user agent also has full discretion in deciding how to show the menu of share target suggestions. 

We would need to add to the framework a way to "insist" that an app be included in the menu, and a way to simulate the selection of a given web app from the menu. 

For now, we should add to WPT some manual interactive tests.

[Chris Harrelson]

Ok thanks.

LGTM2

[Daniel Bratell]

LGTM3

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