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/*
* This file is part of Adblock Plus <http://adblockplus.org/>,
* Copyright (C) 2006-2014 Eyeo GmbH
*
* Adblock Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Adblock Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
*/
(function()
{
let progressBar, canvas, headers, isRTL;
function onLoad()
{
window.removeEventListener("load", onLoad, false);
// Init global variables
progressBar = document.getElementById("progressBar");
canvas = document.getElementById("progressBarCanvas");
headers = Array.prototype.slice.call(progressBar.getElementsByTagName("label"));
for (let i = 0; i < headers.length; i++)
canvas.parentNode.appendChild(headers[i]);
// Expose properties
progressBar.__defineGetter__("activeItem", getActiveItem);
progressBar.__defineSetter__("activeItem", setActiveItem);
progressBar.__defineGetter__("activeItemComplete", getActiveItemComplete);
progressBar.__defineSetter__("activeItemComplete", setActiveItemComplete);
isRTL = (window.getComputedStyle(document.documentElement).direction == "rtl");
// Run actual drawing delayed, once the sizes are fixed
window.setTimeout(init, 0);
};
window.addEventListener("load", onLoad, false);
function init()
{
const gapWidth = 5;
const arrowheadWidth = 5;
let width = canvas.width = canvas.offsetWidth;
let height = canvas.height = canvas.offsetHeight;
let context = canvas.getContext("2d");
context.fillStyle = window.getComputedStyle(progressBar, "").color;
context.strokeStyle = window.getComputedStyle(progressBar, "").color;
context.lineWidth = 1;
if (isRTL)
{
context.translate(width, 0);
context.scale(-1, 1);
}
let panelCount = headers.length;
let panelWidth = (width - gapWidth * (panelCount - 1) - 1) / panelCount;
for (let i = 0; i < panelCount; i++)
{
context.save();
context.translate(Math.round(i * (panelWidth + gapWidth)) + 0.5, 0.5);
context.beginPath();
if (i)
context.moveTo(-arrowheadWidth, 0);
else
context.moveTo(0, 0);
context.lineTo(panelWidth - arrowheadWidth, 0);
context.lineTo(panelWidth, (height - 1) / 2);
context.lineTo(panelWidth - arrowheadWidth, height - 1);
if (i)
{
context.lineTo(-arrowheadWidth, height - 1);
context.lineTo(0, (height - 1) / 2);
context.lineTo(-arrowheadWidth, 0);
}
else
{
context.lineTo(0, height - 1);
context.lineTo(0, 0);
}
context.stroke();
context.restore();
let childLeft = Math.round(i * (panelWidth + gapWidth) + 1);
let childWidth = panelWidth - arrowheadWidth - 2;
let child = headers[i];
child.style.MozMarginStart = childLeft + "px";
child.style.MozMarginEnd = (width - childLeft - childWidth) + "px";
child.style.width = childWidth + "px";
}
// Resize after initialization should be ignored
canvas.parentNode.removeAttribute("flex");
}
function getActiveItem()
{
for (let i = 0; i < headers.length; i++)
{
let header = headers[i];
if (header.classList.contains("active"))
return header;
}
return null;
}
function setActiveItem(val)
{
let complete = true;
for (let i = 0; i < headers.length; i++)
{
let header = headers[i];
if (header == val)
complete = false;
if (!complete && header.value[0] == "✔")
header.value = header.value.replace(/^✔\s*/, "");
else if (complete && header.value[0] != "✔")
header.value = "✔ " + header.value;
if (header == val)
header.classList.add("active");
else
header.classList.remove("active");
}
}
function getActiveItemComplete()
{
let activeItem = this.activeItem;
if (!activeItem)
return false;
else
return activeItem.value[0] == "✔";
}
function setActiveItemComplete(val)
{
let activeItem = this.activeItem;
if (!activeItem)
return;
if (!val && activeItem.value[0] == "✔")
activeItem.value = activeItem.value.replace(/^✔\s*/, "");
else if (val && activeItem.value[0] != "✔")
activeItem.value = "✔ " + activeItem.value;
}
})();
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