W3C home > Mailing lists > Public > public-web-intents@w3.org > December 2011

Re: Web Intents: Opacity

From: Paul Kinlan <paulkinlan@google.com>
Date: Wed, 14 Dec 2011 10:04:58 +0000
Message-ID: <CADGdg3Ath6u5-=tuz2XxpmPMWrukfvz7WU2PWBnBr8dQUFih4A@mail.gmail.com>
To: Giuseppe Pascale <giuseppep@opera.com>
Cc: WebIntents <public-web-intents@w3.org>, timeless <timeless@gmail.com>
This is pretty interesting and might fall under a broader permissions and
expectations system.

I am going to send an email later to the list, but on the point of
suggestions I have implemented the first pass at a registry system for
webintents http://reqistry.webintents.org, which when you now use the
picker will show you a suggested list of services.  We need to work out if
a global system of suggested services is a good enough replacement for an
API or some declarative expectations system.

Try http://www.imagemator.com and you should see the suggestions in the


On Wed, Dec 14, 2011 at 8:15 AM, Giuseppe Pascale <giuseppep@opera.com>wrote:

> On Wed, 23 Nov 2011 20:37:44 +0100, timeless <timeless@gmail.com> wrote:
>>> On Tue, Nov 22, 2011 at 5:40 PM, Paul Kinlan <paulkinlan@google.com>
>  The ability to know if an action can be handled is a common feature
>>> request amongst developers that I speak to, they are concerned that if
>>> they can't detect that there is an app to handle it then it is a
>>> terrible UX.
>> I posted an example where a page could provide itself as a
>> local-provider for an intent [1].
>> This means that if there are 0 other registered providers, the UI for
>> choosing an intent only shows the user the page's own (which can be
>> defaulted or whatever) and the user isn't left alone.
>>  I agree with developers concern but I also see the concern you have
> about fingerprinting, so question: would it be a solution to let the
> application declare (maybe via markup) which actions it "intends" to use,
> so that the user-agent can warn the user that he has no providers
> registered for such actions (and maybe offer a list of providers he may
> want to go and check)?
>> This is one of the reasons that I want a way to have 1-C "business
>> card links" [3] for other providers. If you don't want to implement
>> your own but know of a couple of services, you can hint to the browser
>> about them and even if it doesn't have a database or search engine, it
>> could pull them up as suggestions for the user.
>>  This could be aligned with what I suggested above, so you can declare
> which actions you rely on and optionally point to some you know are
> available.
> --
> Giuseppe Pascale
> TV & Connected Devices
> Opera Software

Paul Kinlan
Developer Advocate @ Google for Chrome and HTML5
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Received on Wednesday, 14 December 2011 10:05:27 UTC

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