I have some old scripts. Can we update them?

[nollinvoyd]

I was using several scripts in the Movable.uc.js format a few years ago, perhaps not originally created here, until they stopped working, some time after Fx 71. I didn't realize until recently these custom buttons types were currently available for use again.

I tested them. One partially works:

ZoomScrollFirefoxButton_Movable.uc.js

this appears on the toolbar but doesn't work:

Snap BackButton_Movable.uc.js

this on does not appear on the toolbar:

PreferenceTrackerButton_Movable.uc.js

Would it be ok if I posted them here to see if they can be updated?

Also, I seem to remember in the past an "up/Down" or "Top/Bottom" instant scroll button.script, like the "Back To Top for Firefox" addon. Am I wrong about this?

[xiaoxiaoflood]

Would it be ok if I posted them here to see if they can be updated?

Yes, of course. Hopefully someone else will step up.

[nollinvoyd]

Here's Snap BackButton_Movable.uc.js. Like I mentioned, it doesn't respond.

`(function () {
if (location != "chrome://browser/content/browser.xhtml") return;

/* CustomizableUI
http://developer.mozilla.org/docs/Mozilla/JavaScript_code_modules/CustomizableUI.jsm
http://developer.mozilla.org/docs/Mozilla/JavaScript_code_modules/CustomizableUI.jsm/API-provided_widgets
*/

try {
CustomizableUI.createWidget({
id: "__unique_identifier_snap_back_button", // should match id below
type: "custom",
defaultArea: CustomizableUI.AREA_MENUBAR,
// defaultArea: CustomizableUI.AREA_NAVBAR,
onBuild: function (aDocument) {
var XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var toolbaritem = aDocument.createElementNS(XUL_NS, "toolbarbutton");
toolbaritem.onclick = function (aEvent) {
var win = aEvent.target.ownerDocument.defaultView;
if (aEvent.button == 0) {
if (aEvent.shiftKey) {
} else {
// snap back
getWebNavigation().gotoIndex(0);
}
} else if (aEvent.button == 1) {
if (aEvent.shiftKey) {
} else {
}
}
};
var dataUrl = "data:image/png;base64," +
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var tooltip = [];
var props = {
id: "__unique_identifier_snap_back_button",
class: "toolbarbutton-1 chromeclass-toolbar-additional",
label: "Snap Back",
tooltiptext: "Snap Back" + tooltip.join("\n"),
style: 'list-style-image: url("' + dataUrl + '"); -moz-image-region: auto;',
};
for (var p in props) toolbaritem.setAttribute(p, props[p]);
return toolbaritem;
},
});
} catch (e) {
Components.utils.reportError(e);
};
})();`