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Re: [Widgets] - Requirements Working Draft 23 June 2008 Review

From: SUZANNE Benoit RD-SIRP-ISS <benoit.suzanne@orange-ftgroup.com>
Date: Wed, 03 Sep 2008 10:45:27 +0200
To: <public-webapps@w3.org>
Message-ID: <C4E41B48.14DB5%benoit.suzanne@orange-ftgroup.com>
I agree with you comments, and Išve just added a feedback to the R27
discussion

> 
> Benoit  Suzanne
> Widget Factory Project Manager - Orange Labs - FT/RD/SIRP/SOL/SLAM
> t. +33 (0)145 298  198 - m. +33 (0)680 287 553
> benoit.suzanne@orange-ftgroup.com
> 
 

On Thu, Jul 31, 2008 at 6:00 AM, Marcos Caceres
<marcosscaceres@gmail.com> wrote:
> Hi Benoit,
> Thank you for taking the time to prepare a detailed review. I think I
> was able to address all your comments, except for the one about "R27.
> Widget State Change Events".  It would be great if you could help
> clarify what you want me to do there. Please see below for detailed
> description of the changes I made.
>
> Please let me know if you are satisfied with the responses I've have
> given below or if you would like any further clarification.
>
> On Wed, Jul 30, 2008 at 8:52 AM, SUZANNE Benoit RD-SIRP-ISS
> <benoit.suzanne@orange-ftgroup.com> wrote:
>> Marcos,
>> Here are my comments on the Requirements (W3C Working Draft 23 June 2008)
>>
>>
>>> 1. Introduction
>>> [...] This document does not address the requirements of "web widgets",
>>> such as iGoogle Gadgets or Windows Live Gadgets.
>> I Think we can add a wording at the end of the sentense to read: "...,
>> although this version of the widget specification, the Working group will
>> address the web widget in the next iteration of the widgets specifications."
>
> Although I personally agree, I don't think we have reached a
> resolution as a working group about what features should be included
> in future versions of the Widgets specification. I don't want to
> prematurely commit us to feature which we may not end up implementing
> in the future. If anything, this should go into a "Widgets 2.0
> Requirements" document. It might be good to prepare such a document
> once this one reaches CR.
>
>>> 3. Design Goals
>>> Longevity: ...
>> I think in this chapter we should talk about the versioning of a widget. I'm
>> not sure it should be presented as a specific item, or if it can be added
>> inside the logevity section in relation to the longevity of the content
>> provided and related updates it will need over time.
>
> I see what you are saying, but I think mentioning versioning is better
> served in the "Web and offline distribution" section. I've added the
> following text:
>
>  "A conforming specification needs to deal with cases where an
> end-user acquires a widget resource over HTTP or via some other non
> HTTP-based (offline) means, such as a local file system, Bluetooth or
> a Multimedia Message Service. In addition, a conforming specification
> needs to provide a means by which widgets can be updated when a new or
> different version of a widget becomes available. It must be possible
> to perform updates from either an online or offline source. "
>
>>> R7. Internationalization Guidelines
>>> Rationale: [...] (e.g. 'resources/en/' for all English content,
>>> 'resources/en-au/' for further localized Australian-English content, and so
>>> on).
>> Insert an "and" in between the 2 english example to stress the need to allow
>> both
>
> Done.
>
>>>R15 & R16
>> Is there a reason why they should not be "must" instead of "should"?
>
> I've changed R15 to a must, as we have already spec'd the <license>
> element. We are still undecided about rendering dimensions (R16).
>
>>> R19. Iconic Representations
>>> Rationale: [...] For example, an a small graphic of a calendar may
>>> represent a calendar widget.
>> "an a" should be corrected
>
> Fixed.
>
>> But I propose to add the following after: "And a small graphic of today's
>> calendar page may also represent this same calendar widget"
>
> I changed the text to read: "For example, a small graphic of a
> calendar showing today's date may represent a calendar widget." This
> is to incorporate your suggested text and to imply that the graphic
> may change dynamically (in accordance with R34 - Icon API).
>
>>> R27. Widget State Change Events
>> This requirement must be available both ways, you should be able to capture
>> the change of state when it happens, but you should also be able as an
>> author to force the state change as well. I propose the following text:
>> "A conforming specification must also allow the author to programmatically
>> change the state of the widget to allow a change in the view of the
>> instantiated widget."
>
> I'm not sure this is the right place for this. I think this should be
> in R24. Instantiated Widget API. However, I'm not sure that the
> proposed text covers the actual requirement. I wanted to put something
> like you suggested into R24: "The API SHOULD also also allow authors
> to programmatically change the visual state of a widget", but I'm not
> sure what that means. Can you please provide an example or a use case?

I agree that this technically, allowing a dev to change the widget state,
falls under R24. But I wonder if this specific functionality should be
stated.

>
>>> R28. Network State Change Events
>> In the specific case of a network drop, the author will need to know when
>> the network works again, in order to not have to code a checking loop, it is
>> important to put together a mechanism whereby it's the widget engine that
>> wakes up the widget when the network is back on.
>> What do you think?
>
> Agreed. Does the way the requirement has been rewritten in regards to
> events address the looping issue?:
>
> "A conforming specification MUST specify a means that allows authors
> to check if the widget resource is connected to the network. A
> conforming specification MUST define the scope of the term "network"
> and MUST specify a means by which connection and disconnection events
> can be captured by an author through script. A conforming
> specification MUST NOT guarantee event delivery, as there may be cases
> where a device is running low on power and can not afford to deliver
> them."
>
>
>>> R29. Modal Priority
>>> [...] (or any of its windows) should to categorize itself
>> "should to..." should be corrected
>
> Fixed.
>
>>> 4.5 User Agents
>>> R39. End-user Declared Proxy
>>> A conforming specification should recommend that widget user agents allow
>>> end-users to explicitly input a proxy server through which all HTTP-based
>>> request are made.
>> This requirement should include at the end ", or in case of availability,
>> that the system wide proxy is used."
>> This requirement should be a "Must"
>
> Using your text as a guide, I reworded the requirement as:
>
> "A conforming specification MUST recommend that widget user agents
> allow end-users to explicitly select a proxy server through which all
> HTTP-based request are made. In the case where a default proxy has
> been defined for the operating system, a conforming specification MUST
> recommend that widget user agents find and make use of any default
> proxy exposed by the operating system. "
>
> I also renamed R39 to "Proxy Support"
>
>>>R40. Automatic Updates
>> This requirement should be a "Must"
>
> fixed.
>
>>>R41. Persistent Storage of Preferences
>>>   A conforming specification must recommend that a widget user agent
>>> implement a means to persistently store user preferences for each
>>> instantiated widget.
>> The following should be added after the first sentence: "This Storage
>> mechanism must allow to keep the preferences after restart of the widget or
>> on the restart of the user agent.
>
> Ok, the requirement now reads:
>
> "A conforming specification MUST recommend that a widget user agent
> implement a means to persistently store user preferences for each
> instantiated widget. A widget user agent MUST persistently retain a
> widget's preference in the case where a widget is re-instantiated or
> the widget user agent is restarted."
>
>>> Rationale: To allow widgets to be closed and re-instantiated without the
>>> end-user having reset the preferences for an instantiated widget. For
>>> example, when using a weather widget, the end-user will want to store the
>>> preferred location for weather information, and not be asked to input that
>>> information again every time the widget is re-instantiated.
>> And again at the end of this sentence: "The same would apply if the user has
>> setup 2 instances of the same widget and would like to view 2 different
>> cities. After closing the widgets, open 2 instances of this weather widget
>> would automatically pick up the 2 pre-set cities.
>
> Ok, included your example by modified the text. Here is the rewrite:
>
> "To allow widgets to be closed and re-instantiated without the
> end-user having to reset the preferences for an instantiated widget.
> For example, when using a weather widget, the end-user will want to
> store the preferred location for weather information, and not be asked
> to input that information again every time the widget is
> re-instantiated. The same would apply if the user has instantiated two
> instances of the same widget and would like to see the weather
> forecast for two different cities (e.g., Paris and Sydney). When the
> widgets are re-instantiated, the corresponding weather information
> would be downloaded to match each widget's city preference."
>
>
>>> R41 and R42
>> I would switch them around so that the notion of the multiple instance can
>> be used in the Preference Storage Requirement.
>
> Good point. Fixed.
>
>>> R44. Runtime Security Exceptions
>> A conforming specification must specify runtime exceptions for when the API
>> attempts to perform an action it it not authorized to perform.
>> Correct "it it"
>
> fixed.
>
>
> --
> Marcos Caceres
> http://datadriven.com.au
>



-- 
Marcos Caceres
http://datadriven.com.au






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Received on Wednesday, 3 September 2008 08:46:13 GMT

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