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[] (0) Make MessagePort objects not be owned by Windows necessarily, …

…and remove ownerWindow.

git-svn-id: http://svn.whatwg.org/webapps@2020 340c8d12-0b0e-0410-8428-c7bf67bfef74
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1 parent 9d1d348 commit 71a6bddb479968811cc750784552c887ecdc83e8 @Hixie Hixie committed
Showing with 40 additions and 58 deletions.
  1. +21 −30 index
  2. +19 −28 source
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51 index
@@ -28,7 +28,7 @@
<h1 id=html-5>HTML 5</h1>
- <h2 class="no-num no-toc" id=draft>Draft Recommendation &mdash; 5 August
+ <h2 class="no-num no-toc" id=draft>Draft Recommendation &mdash; 6 August
2008</h2>
<p>You can take part in this work. <a
@@ -43812,12 +43812,12 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
<ol>
<li>
<p><a href="#create">Create a new <code>MessagePort</code> object</a>
- owned by the <a href="#script3">script browsing context</a>, and let
+ owned by the <a href="#script2">script execution context</a>, and let
<var title="">port1</var> be that object.
<li>
<p><a href="#create">Create a new <code>MessagePort</code> object</a>
- owned by the <a href="#script3">script browsing context</a>, and let
+ owned by the <a href="#script2">script execution context</a>, and let
<var title="">port2</var> be that object.
<li>
@@ -43858,7 +43858,6 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
received by the other port, and vice versa.
<pre class=idl>interface <dfn id=messageport0>MessagePort</dfn> {
- readonly attribute <a href="#window">Window</a> <a href="#ownerwindow" title=dom-MessagePort-ownerWindow>ownerWindow</a>;
readonly attribute boolean <a href="#active0" title=dom-MessagePort-active>active</a>;
boolean <a href="#postmessage1" title=dom-MessagePort-postMessage>postMessage</a>(in DOMString message);
boolean <a href="#postmessage1" title=dom-MessagePort-postMessage>postMessage</a>(in DOMString message, in <a href="#messageport0">MessagePort</a> messagePort);
@@ -43872,9 +43871,9 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
};</pre>
<p>When the user agent is to <dfn id=create>create a new
- <code>MessagePort</code> object</dfn> owned by a <code><a
- href="#window">Window</a></code> object <var title="">owner</var>, it must
- run the following steps:
+ <code>MessagePort</code> object</dfn> owned by a <a href="#script2">script
+ execution context</a> object <var title="">owner</var>, it must run the
+ following steps:
<ol>
<li>
@@ -43882,9 +43881,7 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
object, and let <var title="">port</var> be that object.
<li>
- <p>Set the <code title=dom-MessagePort-ownerWindow><a
- href="#ownerwindow">ownerWindow</a></code> attribute of <var
- title="">port</var> to <var title="">owner</var>.
+ <p>Let <var title="">port</var>'s owner be <var title="">owner</var>.
<li>
<p>Set the <code title=dom-MessagePort-active><a
@@ -43989,11 +43986,6 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
<hr>
- <p>The <dfn id=ownerwindow
- title=dom-MessagePort-ownerWindow><code>ownerWindow</code></dfn> attribute
- must return the value it was assigned when the <code><a
- href="#messageport0">MessagePort</a></code> object was created.
-
<p>The <dfn id=active0
title=dom-MessagePort-active><code>active</code></dfn> attribute must
return the last value that it was set to according to the rules of this
@@ -44054,10 +44046,9 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
<li>
<p>Try to obtain a <var title="">new data port</var> by <a
href="#clone" title="clone a port">cloning</a> the <var title="">data
- port</var> with the <a href="#ownerwindow"
- title=dom-MessagePort-ownerWindow>owner</a> of the <var
- title="">target port</var> as the owner of the clone. If this returns
- an exception, then throw that exception and abort these steps.
+ port</var> with the owner of the <var title="">target port</var> as
+ the owner of the clone. If this returns an exception, then throw that
+ exception and abort these steps.
<li>
<p>Let the <code title=dom-MessageEvent-messagePort><a
@@ -44069,16 +44060,17 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
<p>Return true from the method, but continue with these steps.
<li>
- <p>Wait for all scripts in the <a href="#unit-of">unit of related
- browsing contexts</a> to which the <a href="#ownerwindow"
- title=dom-MessagePort-ownerWindow>owner</a> of the <var title="">target
- port</var> belongs to have executed to completion, and then dispatch the
- event at the <var title="">target port</var> object. If this never
- happens (e.g. the relevant <a href="#browsing1">browsing context</a> is
- closed by the user before the event can be dispatched), then discard the
- event.
+ <p>Wait for all scripts in the conceptual thread that the <a
+ href="#script2">script execution context</a> that owns the <var
+ title="">target port</var> belongs to have executed to completion. If
+ this never happens (e.g. the relevant <a href="#browsing1">browsing
+ context</a> is closed by the user before the event can be dispatched),
+ then discard the event.
</li>
<!-- XXX queue -->
+
+ <li>
+ <p>Dispatch the event at the <var title="">target port</var> object.
</ol>
<p class=big-issue>People often request the ability to send name/value
@@ -44171,9 +44163,8 @@ interface <dfn id=messagechannel>MessageChannel</dfn> {
<p>Ports are deactivated and unentangled when the <code>Document</code>
that was the <a href="#active">active document</a> of the <a
href="#browsing1">browsing context</a> corresponding to the <code><a
- href="#window">Window</a></code> object that <a href="#ownerwindow"
- title=dom-MessagePort-ownerWindow>owns</a> them is <a href="#discard"
- title="discard a document">discarded</a>.
+ href="#window">Window</a></code> object that owns them is <a
+ href="#discard" title="discard a document">discarded</a>.
<p>To <dfn id=deactivate>deactivate a port</dfn> <var title="">local
port</var> that is entangled with a second port <var title="">remote
View
47 source
@@ -41223,11 +41223,11 @@ interface <dfn>MessageChannel</dfn> {
<ol>
<li><p><span>Create a new <code>MessagePort</code> object</span>
- owned by the <span>script browsing context</span>, and let <var
+ owned by the <span>script execution context</span>, and let <var
title="">port1</var> be that object.</p></li>
<li><p><span>Create a new <code>MessagePort</code> object</span>
- owned by the <span>script browsing context</span>, and let <var
+ owned by the <span>script execution context</span>, and let <var
title="">port2</var> be that object.</p></li>
<li><p><span>Entangle</span> the <var title="">port1</var> and <var
@@ -41263,7 +41263,6 @@ interface <dfn>MessageChannel</dfn> {
received by the other port, and vice versa.</p>
<pre class="idl">interface <dfn>MessagePort</dfn> {
- readonly attribute <span>Window</span> <span title="dom-MessagePort-ownerWindow">ownerWindow</span>;
readonly attribute boolean <span title="dom-MessagePort-active">active</span>;
boolean <span title="dom-MessagePort-postMessage">postMessage</span>(in DOMString message);
boolean <span title="dom-MessagePort-postMessage">postMessage</span>(in DOMString message, in <span>MessagePort</span> messagePort);
@@ -41277,18 +41276,17 @@ interface <dfn>MessageChannel</dfn> {
};</pre>
<p>When the user agent is to <dfn>create a new
- <code>MessagePort</code> object</dfn> owned by a <code>Window</code>
- object <var title="">owner</var>, it must run the following
- steps:</p>
+ <code>MessagePort</code> object</dfn> owned by a <span>script
+ execution context</span> object <var title="">owner</var>, it must
+ run the following steps:</p>
<ol>
<li><p>Instantiate a new <code>MessagePort</code> object, and let
<var title="">port</var> be that object.</p></li>
- <li><p>Set the <code
- title="dom-MessagePort-ownerWindow">ownerWindow</code> attribute of
- <var title="">port</var> to <var title="">owner</var>.</p></li>
+ <li><p>Let <var title="">port</var>'s owner be <var
+ title="">owner</var>.</p></li>
<li><p>Set the <code title="dom-MessagePort-active">active</code>
attribute of <var title="">port</var> be false.</p></li>
@@ -41383,11 +41381,6 @@ interface <dfn>MessageChannel</dfn> {
<hr>
- <p>The <dfn
- title="dom-MessagePort-ownerWindow"><code>ownerWindow</code></dfn>
- attribute must return the value it was assigned when the
- <code>MessagePort</code> object was created.</p>
-
<p>The <dfn title="dom-MessagePort-active"><code>active</code></dfn>
attribute must return the last value that it was set to according to
the rules of this specification.</p>
@@ -41440,11 +41433,9 @@ interface <dfn>MessageChannel</dfn> {
<li><p>Try to obtain a <var title="">new data port</var> by <span
title="clone a port">cloning</span> the <var title="">data
- port</var> with the <span
- title="dom-MessagePort-ownerWindow">owner</span> of the <var
- title="">target port</var> as the owner of the clone. If this
- returns an exception, then throw that exception and abort these
- steps.</p></li>
+ port</var> with the owner of the <var title="">target port</var>
+ as the owner of the clone. If this returns an exception, then
+ throw that exception and abort these steps.</p></li>
<li><p>Let the <code
title="dom-MessageEvent-messagePort">messagePort</code> attribute
@@ -41457,15 +41448,16 @@ interface <dfn>MessageChannel</dfn> {
<li><p>Return true from the method, but continue with these
steps.</p></li>
- <li><p>Wait for all scripts in the <span>unit of related browsing
- contexts</span> to which the <span
- title="dom-MessagePort-ownerWindow">owner</span> of the <var
- title="">target port</var> belongs to have executed to completion,
- and then dispatch the event at the <var title="">target port</var>
- object. If this never happens (e.g. the relevant <span>browsing
+ <li><p>Wait for all scripts in the conceptual thread that the
+ <span>script execution context</span> that owns the <var
+ title="">target port</var> belongs to have executed to
+ completion. If this never happens (e.g. the relevant <span>browsing
context</span> is closed by the user before the event can be
dispatched), then discard the event.</p></li><!-- XXX queue -->
+ <li><p>Dispatch the event at the <var title="">target port</var>
+ object.</p></li>
+
</ol>
<p class="big-issue">People often request the ability to send
@@ -41556,9 +41548,8 @@ interface <dfn>MessageChannel</dfn> {
<p>Ports are deactivated and unentangled when the
<code>Document</code> that was the <span>active document</span> of
the <span>browsing context</span> corresponding to the
- <code>Window</code> object that <span
- title="dom-MessagePort-ownerWindow">owns</span> them is <span
- title="discard a document">discarded</span>.</p>
+ <code>Window</code> object that owns them is <span title="discard a
+ document">discarded</span>.</p>
<p>To <dfn>deactivate a port</dfn> <var title="">local port</var>
that is entangled with a second port <var title="">remote

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