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HTML: Don't try to finish an HTML document's conversion twice.

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This commit is contained in:
Michael Drake 2018-08-27 20:47:37 +01:00
parent d54e0461ad
commit 9d8f37ca10
1 changed files with 16 additions and 0 deletions
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16
content/handlers/html/html.c
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@ -585,6 +585,22 @@ void html_finish_conversion(html_content *htmlc)
return;
}
/* If we already have a selection context, then we have already
* "finished" conversion. We can get here twice if e.g. some JS
* adds a new stylesheet, and the stylesheet gets added after
* the HTML content is initially finished.
*
* If we didn't do this, the HTML content would try to rebuild the
* box tree for the html content when this new stylesheet is ready.
* NetSurf has no concept of dynamically changing documents, so this
* would break badly.
*/
if (htmlc->select_ctx != NULL) {
NSLOG(netsurf, INFO,
"Ignoring style change: NS layout is static.");
return;
}
/* create new css selection context */
error = html_css_new_selection_context(htmlc, &htmlc->select_ctx);
if (error != NSERROR_OK) {