Re: Two questions about the Web Intents.

Thank you, James.

“However it's important to keep in mind that the <intent> tag causes a web page to be registered as an intent service once the user visits the page, so in essence the user does have a way to "manually add" a service.  It stretches the definition of 'manually' though, as <intent> tag registration is designed tob”

--Does it have the same meaning as the first paragraph of section 4 in web intents spec?

“When the User Agent loads a page with registration markup, it should allow the user to configure that page as a web intents service. The details of this process is left up to the User Agent. The model is that the page advises of the ability to handle intents, and the User Agent may remember that. The User Agent must not deliver an intent to a Service discovered in this way before the user has made a specific action allowing it.”

Best Regards
Gao Wenmei
发件人: jhawkins@google.com [mailto:jhawkins@google.com] 代表 James Hawkins
发送时间: 2012年6月12日 01:30
收件人: Paul Kinlan
抄送: Gaowenmei; public-web-intents@w3.org
主题: Re: Two questions about the Web Intents.


On Mon, Jun 11, 2012 at 1:53 AM, Paul Kinlan <paulkinlan@google.com<mailto:paulkinlan@google.com>> wrote:
Hi,

Some comments inline.
On Mon, Jun 11, 2012 at 8:19 AM, Gaowenmei <gaowenmei@huawei.com<mailto:gaowenmei@huawei.com>> wrote:
Hello，everyone:

I am a newcomer here. These days I was studying the web intents spec and felt great interest in this technology. Now I have some small questions, and hope someone can help me to clarify the confusion.

1) When we click a button in the client page and trigger the "startActivity()", UA will pop up a intent list and we will see some suggestions there. I am wondering where are the suggestions from? Does the UA search the intent services in real time? (for example, Chrome will search the suitable intent services from the Chrome web app store?)

The current implementation in Chrome understands the action and the data type so it can query the Chrome webstore to get a list of suitable apps.  Claes and others on this list are working on the UPNP discovery for external networked services that support the same actions on data.

The actual method of suggestions is not too important once you realise that we have these two key pieces of information we can use to discover compatible services.  The UA may choose to cache service suggestions, query a service, or provide no suggestions at all.


2) Can the user manually add a URL to the popup intent list as a intent service page? Thus, the user can add some intent service pages which are found by himself or forwarded by his friends. This will be very useful for users.

Not quite, the developer will be able to specify their own suggestions in the "suggestions" attribute of the Intent constructor object.  With the current implementation in Chrome you would ask the user to install the app from the store.

However it's important to keep in mind that the <intent> tag causes a web page to be registered as an intent service once the user visits the page, so in essence the user does have a way to "manually add" a service.  It stretches the definition of 'manually' though, as <intent> tag registration is designed tob

Thanks,
James