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1427071 - allow WebExtensions to override browser.display.background_color

 6 years ago
source link: https://bugzilla.mozilla.org/show_bug.cgi?id=1427071
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Details

(Whiteboard: [design-decision-denied]) 

For New Tab Override I would like the Option to override browser.display.background_color.

Reason: New Tab Override has an option to change the new tab page to a arbitrary background color. I can use browser.tabs.insertCSS, I can use document.body.style.background or even if I hard-code a color in the HTML file there is a really annoying flickering on every new tab from white to the new color. If I set browser.display.background_color to #ff0000 then it's a flickering from red to the new color. So what I really have to do for this option instead of the current approach is to override browser.display.background_color to a arbitrary color so that there is no longer a flickering.

Another use case:

It's also annoying to change every time browser.display.background_color if I want to open a white SVG image because it's invisible on the white background. I would like to write a small WebExtension to change browser.display.background_color via a browserAction button.

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