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// VIM ruler style scroll message
(function() {
var run = Uzbl.run;
var update_message = function() {
var innerHeight = window.innerHeight;
var scrollY = window.scrollY;
var height = document.height;
var message;
if (UzblZoom.type === "full") {
var zoom_level = UzblZoom.level;
innerHeight = Math.ceil(innerHeight * zoom_level);
scrollY = Math.ceil(scrollY * zoom_level);
height -= 1;
}
if (! height) {
message = "";
}
else if (height <= innerHeight) {
message = run("print @scroll_all_indicator") || "All";
}
else if (scrollY === 0) {
message = run("print @scroll_top_indicator") || "Top";
}
else if (scrollY + innerHeight >= height) {
message = run("print @scroll_bottom_indicator") || "Bot";
}
else {
var percentage = Math.round(scrollY / (height - innerHeight) * 100);
message = percentage + "%";
}
run("set scroll_message=" + message);
};
self.UzblZoom = {
get level() {
return Number(run("print @zoom_level")) || 1;
},
set level(level) {
if (typeof level === "number" && level > 0) {
run("set zoom_level = " + level);
update_message();
}
},
get type() {
return run("print @zoom_type") || "text";
},
set type(type) {
if ((type === "text" || type === "full") && this.type != type) {
run("toggle_zoom_type");
run("set zoom_type = " + type);
update_message();
}
},
toggle_type: function() {
this.type = (this.type === "text" ? "full" : "text");
}
};
window.addEventListener("DOMContentLoaded", update_message, false);
window.addEventListener("load", update_message, false);
window.addEventListener("resize", update_message, false);
window.addEventListener("scroll", update_message, false);
update_message();
})();
// vim: set noet ff=unix
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