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組件模型現況(Fwd: Component Model Update)

From: Kang-Hao (Kenny) Lu <kennyluck@w3.org>
Date: Wed, 24 Aug 2011 07:36:25 +0800
Message-ID: <4E543979.3040109@w3.org>
To: 中文HTML5同樂會ML <public-html-ig-zh@w3.org>
CC: John Hax <johnhax@gmail.com>, 劭非程 <csf178@gmail.com>
對 HTML 部件(Widget)有興趣的朋友可以看看,這也是所謂的前 XBL 的部份,
想幫忙的朋友也可以把那幾個 wiki 頁面翻譯一下。相深入討論的歡迎拿一些不滿



-------- Original Message --------
Subject: 	Component Model Update
Resent-Date: 	Tue, 23 Aug 2011 20:41:25 +0000
Resent-From: 	public-webapps@w3.org
Date: 	Tue, 23 Aug 2011 13:40:47 -0700
From: 	Dimitri Glazkov <dglazkov@chromium.org>
To: 	public-webapps <public-webapps@w3.org>
CC: 	Maciej Stachowiak <mjs@apple.com>, Jonas Sicking
<jonas@sicking.cc>, Boris Zbarsky <bzbarsky@mit.edu>


Over the last few weeks, a few folks and myself have been working on
fleshing out the vision for the Component Model. Here's what we've
done so far:

* Created a general overview document for behavior attachment problem
on the Web (http://wiki.whatwg.org/wiki/Behavior_Attachment);
* Wrote down the a set of guidelines on how we intend to tackle the
problem (http://wiki.whatwg.org/wiki/Component_Model_Methodology);
* Updated the list of use cases and desired properties for each case
* Captured the overall component model design and how it satisfies
each desired property (http://wiki.whatwg.org/wiki/Component_Model),
including a handy comparison with existing relevant specs and

After of this iteration, the proposed shadow DOM API no longer
includes the .shadow accessor (see details here
http://dglazkov.github.com/component-model/dom.html). Instead, the
shadow DOM subtree association happens in ShadowRoot constructor:

var element = document.createElement("div");
var shadow = new ShadowRoot(element); // {element} now has shadow DOM
subtree, and {shadow} is its root.
shadow.appendChild(document.createElement("p")).textContent = "weee!!';

Keeping the accessor out allows for proper encapsulation and
confinement (better explanation of these new bits of terminology here:
https://plus.google.com/103035368214666982008/posts/AnGBpHZzQu6), and
also simplifies the API surface.

Please review. Feedback is welcome!

Received on Tuesday, 23 August 2011 23:36:59 UTC

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