Support to Webextensions

[juninho]

I'm using Firefox Nightly v.55 and fxdpi is shown as LEGACY.

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[yfdyh000]

https://wiki.mozilla.org/WebExtensions/RoadMapFirefox57#Preferences_Access

[tiwoc]

Thanks for the info; I wasn't aware of that issue. Maybe this can be worked around with the tabs JS API, which at least offers access to the tab's zoom level. This won't scale the browser's chrome, though.

[tiwoc]

As promised, I took a stab at re-implementing fxdpi as a WebExtension. In the current state of Firefox, this won't fly: I can set the zoom factor for a given tab, but it will be stored as the default zoom factor for the origin of the page. This is not viable because it interferes with the user's manual settings and builds a list of all origins that the user has visited that he can neither view nor clear.

There's an option to change the zoom scope to per-tab so that zooming would be independent of the origin, but it doesn't work yet (WebExtensions: Zoom API's in chrome.tabs don't work correctly). With this, I could switch all tabs to per-tab and set their zoom level. This zoom level, however, would be reset on navigation, which could lead to a lot of flickering.

[tiwoc]

I filed an API request in Mozilla's bug tracker: https://bugzilla.mozilla.org/show_bug.cgi?id=1373607

Let's see what happens.

[juninho]

JFYI: A global zoom option is planned for 57, in the (12 years old) bug https://bugzilla.mozilla.org/show_bug.cgi?id=332275

Source: https://www.reddit.com/r/firefox/comments/6v7r2s/a_global_zoom_option_is_planned_for_57/

[tiwoc]

I voted for it, thanks. This would be a good thing to have.