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Re: feedback on The System Information API W3C Editor's Draft 05 May 2010

From: Innovimax SARL <innovimax@gmail.com>
Date: Mon, 10 May 2010 08:44:30 +0200
Message-ID: <AANLkTikuL9Nurd4EBoS9rjHgCR4XfxrXt1ahxpC1GfEy@mail.gmail.com>
To: Max Froumentin <maxfro@opera.com>
Cc: public-device-apis@w3.org
Hi Max,

On Thu, May 6, 2010 at 1:54 PM, Max Froumentin <maxfro@opera.com> wrote:
> Hi Mohamed,
>
> On 05/05/2010 19:29, Innovimax SARL wrote:
>>
>> Dear,
>>
>>
>> Here are few comments with respect to
>> http://dev.w3.org/2009/dap/system-info/
>>
>> 1) Why isn't the figure in 4.1 in SVG ?
>
>
> Because OpenOffice exports svg that doesn't render well in browsers. See
> http://dev.w3.org/2009/dap/system-info/properties.svg

Fair enough : Please find attached a bit ad hoc XSLT 1.0 stylesheet
that fixes most of the problems

>
>> 2) Can it be said explicitely that the name of the Property (the
>> property ID) is the same as the name of the Interface that the
>> onSuccess function will get
>
> No, it's not always true. For instance, property AmbientLight (and all the
> other sensors) are based on interface Sensor.

Uhm...indeed. Ok but there is certainly room for clarification here.
Dunno how for the moment.

>
>
>> 2.a) in that case in 4.5: navigator.system.watch("Processing",success)
>> ==> navigator.system.watch("CPU",success)
>
> That's a mistake. I have fixed the example.
>
>> 3) Example in 4.7 feel strange in many ways
>>
>> // Find if the current connection is WiFi, and if so monitor its signal
>> strength
>> navigator.system.get("Network",success,null);
>>
>> function success(connection) {
>> ==> isn't connection supposed to be an array here ?
>>  if (connection.type===connection.TYPE_WIFI)
>>   navigator.system.watch("WifiConnection",wifiWatchCB);
>> ==> IS REALLY "WifiConnection" a Property ?
>> }
>>
>> function wifiWatchCB(connection) {
>>  document.getElementById(indicator, "Wireless "+connection.essid+" at
>> "+(connection.signalStrength*100)+"%");
>> ==> essid doesn't exist : is it supposed to be SSID ?
>> ==> signalStrengh doesn't exist : is it supposed to be
>> currentSignalStrength ?
>> }
>
> I clearly haven't been keeping the examples up to date. Sorry about that. I
> have corrected it to:

Seems to be almost fixed, apart from the fact that connection is an array

>
>> You probably need to watch all the connections to do what you expect here
>>
>> 4) In 4.8
>>
>> navigator.system.watch("AmbientLight",success, {highThreshold: 0.9,
>> thresholdTarget:"normalizedValue"});
>> ==>
>> navigator.system.watch("AmbientLight",success, null, {highThreshold:
>> 0.9, thresholdTarget:"normalizedValue"});
>
> Thanks.
>
>> 5) It's probably worth giving real example of values for attributes in
>> 4.9 instead of MIDI or AVI for compression format and ogg for
>> packaging format
>
> I have put H.264 and Theora for compression, and AVI and Ogg for container.

Thanks: that really helps understanding

>
>> 6) Most of the constants values need some rework: they are not all
>> mutually exclusive (RAM and HardDisk, TouchScreen and Tablet) and
>> there is missing values (Bluetooth for network))
>
> Indeed! Help greatly appreciated.

Will try to monitor this part again next time I'll visit it

>
>
>> 7) Printer could be added to the output devices list, together with
>> braille reader and embossed printer
>
> Good point. Would you like to offer a list of properties for each?

I would really like, but I fear I've already given what I found very
quickly. Probably I18N will come up with more idea

>
>
>> 8) REFERENCES
>> * CORE-DEVICE last version is of 5 may
>> * CSSOM last version is of 04 August 2009
>
> That's an issue I'll bring to spec-prod: should ReSpec hold dated versions
> of items labeled as "work in progress".
>
> Thanks for the feedback,
> Max.

Regards,

Mohamed ZERGAOUI

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Received on Monday, 10 May 2010 06:45:07 UTC

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