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Diffstat (limited to '')
| -rw-r--r-- | toolkit/components/extensions/Schemas.sys.mjs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/toolkit/components/extensions/Schemas.sys.mjs b/toolkit/components/extensions/Schemas.sys.mjs index b107036355..e95cbd6bb5 100644 --- a/toolkit/components/extensions/Schemas.sys.mjs +++ b/toolkit/components/extensions/Schemas.sys.mjs @@ -316,6 +316,27 @@ const POSTPROCESSORS = { } return value; }, + + incognitoSplitUnsupportedAndFallback(value, context) { + if (value === "split") { + // incognito:split has not been implemented (bug 1380812). There are two + // alternatives: "spanning" and "not_allowed". + // + // "incognito":"split" is required by Chrome when extensions want to load + // any extension page in a tab in Chrome. In Firefox that is not required, + // so extensions could replace "split" with "spanning". + // Another (poorly documented) effect of "incognito":"split" is separation + // of some state between some extension APIs. Because this can in theory + // result in unwanted mixing of state between private and non-private + // browsing, we fall back to "not_allowed", which prevents the user from + // enabling the extension in private browsing windows. + value = "not_allowed"; + context.logWarning( + `incognito "split" is unsupported. Falling back to incognito "${value}".` + ); + } + return value; + }, }; // Parses a regular expression, with support for the Python extended |