Implementation of @import and @media rules wrong and incomplete

[fdanek]

The current implementations of the @import and @media rules are incomplete and partly wrong.

CSSImportRule
The main problem here is the wrong implementation of CSSImportRule.styleSheet. Currently it returns the importing style sheet. The correct behavior would be to return the imported style sheet.

Besides this there are only some minor formatting problems in the returned text.

CSSMediaRule
The main problem here is that the implementation especially of the super classes CSSConditionRule and CSSGroupingRule is not complete. Example: as CSSGroupingRule.cssRules is missing you are not able to access the CSS rules inside the media rule.

I will provide unit tests for these points as a pull request.
Additionally I will have a look if I can provide fixes for some of the points. But especially regarding the main problem of CSSImportRule I am not very optimistic...

[rbri]

I think most of the stuff is now implemented - outside your main problem. Will have a look.

[rbri]

BTW: more detailed unit test for all the text formatting are welcome

[fdanek]

I added some more tests in the recent PR but there are still many formatting tests missing (see FIXME).

There is still some (old and new) CSSParser stuff broken.

During my tests I saw that the class com.gargoylesoftware.htmlunit.javascript.host.dom.MediaList is in the wrong package. According to the docu in the internet it is part of the CSSOM and not of the DOM so it should be moved to com.gargoylesoftware.htmlunit.javascript.host.css.

[rbri]

Think most of the stuff is addressed, the bunch of FIXME is now related to FF. Will close this.

Again many thanks bug reports and detailed test cases.