Brian Stell wrote:
>Here is my proposed embedding api to allow a user to
>specify the fallback fonts:
>
>+/**
>+ * The nsIFontList interface provides an application the
>+ * necessary information so that the user can select the font to use
>+ * in the default style sheet (used if the style sheet is
>+ * missing or does not specify a font.
>+ * <P>Font lists are specified per language group.
>+ *
>+ */
>+
>+[scriptable, uuid(702909c6-1dd2-11b2-b833-8a740f643539)]
>+interface nsIFontList : nsISupports
>+{
>+
>+ /**
>+ * Get the list of available fonts for a language group
>+ * and for use as the given CSS generic font.
>+ *
>+ * @param aLangGroup limit the fonts to fonts in this language
>+ * group.
>+ *
>+ * @param aFontType CSS generic font type
>+ *
>+ * @return a simple enumerator of the available fonts for a
>+ * language group. These strings are the text
>+ * supplied by the operating system's font system.
>+ */
>+ nsISimpleEnumerator/*<wstring>*/ availableFonts(
>+ in wstring aLangGroup,
>+ in wstring aFontType);
>+};
>+
>
>I have one question:
>
> I'm presenting the list of available fonts using nsISimpleEnumerator.
> nsISimpleEnumerator requires a return object with a nsISupports
>interface.
> My enumerator is simply returning lines of text.
>
> Should I create a new object type with one attribute: a string?
>
Use nsISupportsString and you can get rid of the "/*<wstring>*/" in the
idl comments.
Jud
