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Refactor constructor and replaceSync() steps so CSS modules can reference them #138

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Refactor constructor and replaceSync() steps so CSS modules can reference them #138

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35 changes: 23 additions & 12 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,24 +78,30 @@ dictionary CSSStyleSheetInit {
<dd>
When called, execute these steps:

1. Construct a new {{/CSSStyleSheet}} object |sheet| with the following properties:
* <a spec=cssom>location</a> set to the <a spec=html>base URL</a> of the [=associated Document=] for the [=current global object=]
* No <a spec=cssom>parent CSS style sheet</a>.
* No <a spec=cssom>owner node</a>.
* No <a spec=cssom>owner CSS rule</a>.
* <a spec=cssom>title</a> set to the {{CSSStyleSheetInit/title}} attribute of |options|.
1. Construct a new {{/CSSStyleSheet}} object |sheet|.
2. Run the steps to <a>set up a CSSStyleSheet</a> on |sheet| given |options|.
4. Return |sheet|.
</dd>

<dt>To <dfn export>set up a CSSStyleSheet</dfn></dt> on |sheet| given {{CSSStyleSheetInit}} |options|, run these steps:
<dd>
1. Set the following properties on |sheet|:
* Set <a spec=cssom>location</a> to the <a spec=html>base URL</a> of the [=associated Document=] for the [=current global object=]
* Set <a spec=cssom>parent CSS style sheet</a> to null.
* Set <a spec=cssom>owner node</a> to null.
* Set <a spec=cssom>owner CSS rule</a> to null.
* Set <a spec=cssom>title</a> to the {{CSSStyleSheetInit/title}} attribute of |options|.
* Set <a spec=cssom>alternate flag</a> if the {{CSSStyleSheetInit/alternate}} attribute of |options| is true, otherwise unset the <a spec=cssom>alternate flag</a>.
* Set <a spec=cssom>origin-clean flag</a>.
* Set [=constructed flag=].
* [=Constructor document=] set to the [=associated Document=] for the [=current global object=].
* Set [=Constructor document=] to the [=associated Document=] for the [=current global object=].
2. If the {{CSSStyleSheetInit/media}} attribute of |options| is a string,
<a>create a MediaList object</a> from the string
and assign it as |sheet|'s <a spec=cssom>media</a>.
Otherwise, [=serialize a media query list=] from the attribute and then [=create a MediaList object=]
from the resulting string and set it as |sheet|'s <a spec=cssom>media</a>.
3. If the {{CSSStyleSheetInit/disabled}} attribute of |options| is true,
set |sheet|'s <a spec=cssom>disabled flag</a>.
4. Return |sheet|.
</dd>
</dl>

Expand Down Expand Up @@ -176,10 +182,15 @@ Note that we're explicitly monkeypatching CSSOM. We are working on [merging this
<dd>
When called, execute these steps:
1. Let |sheet| be this {{/CSSStyleSheet}} object.
2. If |sheet|'s [=constructed flag=] is not set, or |sheet|'s [=disallow modification flag=] is set, throw a "{{NotAllowedError}}" {{DOMException}}.
3. Let |rules| be the result of running [=parse a list of rules=] from |text|. If |rules| is not a list of rules (i.e. an error occurred during parsing), set |rules| to an empty list.
4. If |rules| contains one or more <a>@import</a> rules, throw a "{{NotAllowedError}}" {{DOMException}}.
5. Set |sheet|'s [=CSS rules=] to |rules|.
2. Run the steps to <a>synchronously replace the rules of a CSSStyleSheet</a> on |sheet| given |text|.
</dd>

<dt>To <dfn export>synchronously replace the rules of a CSSStyleSheet</dfn></dt> on |sheet| given |text|, run these steps:
<dd>
1. If |sheet|'s [=constructed flag=] is not set, or |sheet|'s [=disallow modification flag=] is set, throw a "{{NotAllowedError}}" {{DOMException}}.
2. Let |rules| be the result of running [=parse a list of rules=] from |text|. If |rules| is not a list of rules (i.e. an error occurred during parsing), set |rules| to an empty list.
3. If |rules| contains one or more <a>@import</a> rules, throw a "{{NotAllowedError}}" {{DOMException}}.
4. Set |sheet|'s [=CSS rules=] to |rules|.
</dd>

</dl>
Expand Down