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From Erik de Bruin <>
Subject Re: FalconJS "Demo" checked in
Date Wed, 28 Nov 2012 18:00:33 GMT
Thank you Alex.

FYI, I was able to hack in an Image component by copying and modifying
the Label component in framework.js and 'faking' the generated code
that implements it. So that's promising for future work ;-)

Note: I thought I'd add another Label in the mix. This showed up and
initiated well, but having the second Label on screen, the on click
event of the button stopped working. That is to say, it did still
update the value of the property, but it failed to update the
displayed text.

Are we ready to put the framework.js in the FalconJS develop branch so
we can all work on it? I'd like to take it apart and try to implement
some ideas I have, as well as start to put some unit tests in place
for the various components and start building other AS/MXML test

Question: I expect that we'll need to figure out a way to put the
framework components through the Closure Compiler upon "publish",

Another question: for your prototype you modified/bypassed parts of
the SDK, it looks like. Does this mean that you envision 2 versions of
the SDK, one for Flash Player deployment and one for web native

I'll stop here and catch my breath ;-) I like what I'm seeing so far
and certainly see the possibilities going forward. I do not share your
caution about creating components that are more than basic
implementations of available HTML controls. But we'll cross that
bridge once we have a "working" version of the JS framework hooked up
to the FalconJS compiler :-) First things first, right?


On Wed, Nov 28, 2012 at 6:18 PM, Alex Harui <> wrote:
> On 11/28/12 12:37 AM, "Joan Llenas Masó" <> wrote:
>> I like the approach (I just read the wiki, didn't look at the JS vs AS
>> implementation parts). It has a lot of sense.
>> I think that Goals vs Non Goals are a key part, specially this statement: "we
>> will encapsulate the best implementation possible under a given API contract
>> ".
>> Specially if we want to support the spark skinning model and other Flex
>> architectural gems throughout all rendering targets.
> There will be skinning, but I currently don't want to bring in the Spark
> skinning model verbatim.  I think the SkinPart concept was a compromise
> required to meet some performance requirements.  Maybe we'll run into the
> same performance issues and have to make the same compromise, but the
> prototype currently uses a more distinct model/view/controller pattern.  In
> Spark, the model is baked into the component and cannot be replaced/extended
> without extending the component.  Remember how in early Flex 4 it was
> difficult to add an icon to the Button skin?  Even now, try adding a second
> icon to the skin.  You can't just change the model and the skin, you have to
> subclass the component.  Also, it has a key flaw in that it pushes
> information down to the child/skin up front instead of allowing the skin to
> get what it needs on-demand.  If the initial state of a skin did not need
> the icon, too bad, cycles were taken to push it down to the skin.
> One other thing:  I think the fundamental piece of skinning in this new
> model will be bitmaps.  I think it might be a lot of work to get vector art
> to "skin" a button in HTML/JS.  And, yes, then those buttons won't scale as
> well, but maybe they will be more compatible with GPU renderers?
>> What's needed to run the sample project you provide?
> I built the FlexJSUI swc and in FlashBuilder.
> Then, I
> -copied the .as files to a folder and ran FalconJS on it.
> -hand-created the index.html
> -copied the js directory
> Opened the index.html in FireFox
> After that, I
> -installed PhoneGap/Cordova.
> -installed the Android/Eclipse IDE
> -created a new PhoneGap project.
> -replaced the index.html and js files it created for me with the index.html
> and js files from above.
> -published for Android and saw it run in the emulator.
>> What's next? :-)
> 1) Put more information in the wiki.
> 2) Get working on Falcon
> 3) Get working on more components
>> Cheers!
>> --
>> Joan Llenas Masó
>> CEO/CTO Garnet Works SL
>> T. 93 848 57 27
>> --
>> @joangarnet (es)
>> @joanllenas (en)
>> On Wed, Nov 28, 2012 at 8:34 AM, Alex Harui <> wrote:
>>> Hi,
>>> I finally got permission to check in a demo that uses FalconJS into my
>>> whiteboard at [1].
>>> I started a writeup on it on the wiki that I will try to complete tomorrow
>>> at [2].
>>> [1]
>>> [2]
>>> Thanks,
>>> --
>>> Alex Harui
>>> Flex SDK Team
>>> Adobe Systems, Inc.
> --
> Alex Harui
> Flex SDK Team
> Adobe Systems, Inc.

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