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evilpie / add-custom-search-engine

Add a custom search engine to the list of available search engines in Firefox
https://addons.mozilla.org/en-US/firefox/addon/add-custom-search-engine/
Mozilla Public License 2.0
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Data URI icon missing from one-off search bar on Firefox homepage #19

Closed Quisquose closed 4 years ago

Quisquose commented 4 years ago

I added a custom search engine that has a data URI icon (i.e. embedded base64, not a url link).

The icon displays fine in both the dedicated search bar and in the 'one-off' search bar at the bottom of the browser's navigation / address URL-bar droplist. However, the icon is missing from the one-off search bar on Firefox's home page (about:home).

See screenshot below:

Clipboard01

This does not happen in custom search engines where the icon is linked using a url. In those instances the icons display correctly in all places. Icons also display correctly when adding non-custom search engines using the conventional built-in method. I'm therefore assuming that the missing icon is an Add custom search engine issue, rather than a Firefox issue. It may possibly be due to the fact that the icon being used is a vector image (SVG) instead of raster image (PNG).

I have repeated this problem by creating new search engines with different SVG icons using base64, and each time the icon is not displayed on the Firefox home page one-off search (while displaying correctly everywhere else).

Here is a link to an example of the icon data of a missing icon (in case it's of use): https://pastebin.com/EhiQQXRK

evilpie commented 4 years ago

That must be a Firefox bug considering the data: URL works correctly in other places. The correct place for reporting that bug to Mozilla would be: https://bugzilla.mozilla.org/home