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Add input fields to change rows and columns setting on about:newtab page. For Scriptish only.
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Contributor(s):
* - LouCypher (original code)
*/
// ==UserScript==
// @id about-newtab@loucypher
// @name about:newtab
// @namespace http://mozilla.status.net/loucypher
// @description Add input fields to change rows and columns setting on about:newtab page. For Scriptish only.
// @version 3.2
// @author LouCypher
// @contributor Benjamin Humphrey - icons http://findicons.com/icon/554396/64_thumbnails
// @license MPL 2.0
// @icon https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/icon32.png
// @icon64URL https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/icon64.png
// @contributionURL http://loucypher.github.io/userscripts/donate.html?about%3Anewtab
// @homepageURL https://greasyfork.org/scripts/7
// @supportURL https://greasyfork.org/scripts/7/feedback
// @resource favicon https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/favicon.ico
// @resource CSS https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/about-new-tab.css
// @resource HTML https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/about-new-tab.html
// @resource CHANGELOG https://raw.github.com/LouCypher/userscripts/master/scriptish/about-new-tab/CHANGELOG.txt
// @resource LICENSE https://raw.github.com/LouCypher/userscripts/master/licenses/MPL/LICENSE.txt
// @include about:newtab
// @include chrome://browser/content/newtab/newTab.xul
// @run-at document-end
// @grant GM_getResourceText
// @grant GM_getResourceURL
// ==/UserScript==
/* I can't use `setAttribute` on `Application.activeWindow.activeTab` for the active tab
so I'm using `Application.activeWindow.tabs[0]._tabbrowser.mCurrentTab` */
let browser = Application.activeWindow.tabs[0]._tabbrowser;
let tab = browser.mCurrentTab;
if (browser.mCurrentBrowser.currentURI.spec == "about:newtab")
tab.setAttribute("scriptish-url", "about:newtab");
// Set favicon. Couldn't be done using DOM method, so I cheated with nsIStyleSheetService.
let css = '@namespace url("' + document.documentElement.namespaceURI + '");'
+ 'tab[scriptish-url="about:newtab"] .tab-icon-image {'
+ 'list-style-image: url(' + GM_getResourceURL("favicon") + ') !important;}'
let uri = Services.io.newURI("data:text/css,/*about:newtab userscript*/%0A" +
encodeURIComponent(css), null, null);
let sss = Components.classes["@mozilla.org/content/style-sheet-service;1"]
.getService(Ci.nsIStyleSheetService);
if (!sss.sheetRegistered(uri, sss.USER_SHEET))
sss.loadAndRegisterSheet(uri, sss.USER_SHEET);
/***** Begin initializations *****/
// Inject style. Can't use GM_addStyle here
let style = document.documentElement.appendChild(document.createElementNS(HTML_NAMESPACE, "style"));
style.type = "text/css";
style.textContent = GM_getResourceText("CSS");
let divS = (new DOMParser).parseFromString(GM_getResourceText("HTML"), "application/xml")
.documentElement;
if (typeof newTabTools === "object") { // If New Tab Tools extension is active
gAllPages.enabled = true; // Always show thumbnails
$("#config-inner").insertBefore(divS, $("#config-morePrefs"));
$("#config-inner").insertBefore(document.createElement("spacer"), $("#config-morePrefs"));
let label = $("#config-inner").insertBefore(document.createElement("label"), divS);
label.className = "header";
label.value = "Rows and Columns:";
let spacers = document.querySelectorAll("#config-inner > spacer");
for (let i = 0; i < spacers.length; i++) {
spacers[i].style.height = "2em";
}
$("#config-title-input") && $("#config-title-input").removeAttribute("flex");
$("#config-morePrefs").style.color = "inherit";
}
else
$("#newtab-horizontal-margin").insertBefore(divS, $(".newtab-side-margin:last-child"));
["#setting-columns", "#setting-rows"].forEach(function(aSelector) {
$(aSelector).value = getIntPref(aSelector.match(/[a-z]+$/).toString());
$(aSelector).addEventListener("change", setValueFromInput);
$(aSelector).addEventListener("DOMMouseScroll", mouseWheel); // Change value with mouse scroll
})
$('#newtab-form input[type="reset"]').addEventListener("click", function() {
setIntPref("columns", $("#setting-columns").value = 3);
$("#setting-columns").classList.add("default-value");
setIntPref("rows", $("#setting-rows").value = 3);
$("#setting-rows").classList.add("default-value");
})
$('#newtab-form input[type="button"]').addEventListener("click", function() {
gAllPages.enabled = !gAllPages.enabled;
})
/***** End initializations *****/
function setIntPref(aRowsOrColumns, aInt) {
Services.prefs.setIntPref("browser.newtabpage." + aRowsOrColumns, aInt);
}
function getIntPref(aRowsOrColumns, aInt) {
return Services.prefs.getIntPref("browser.newtabpage." + aRowsOrColumns);
}
// Save input value to preference
function setValueFromInput(aEvent) {
let input = aEvent.target;
let value = input.value;
if (isNaN(value)) input.value = 3;
else if (value < 1) input.value = 1; // min = 1
else if (value > 50) input.value = 50; // max = 50
if (input.value == 3)
input.classList.add("default-value");
else
input.classList.remove("default-value");
setIntPref(input.id.match(/[a-z]+$/).toString(), input.value);
}
// Use mouse scroll to increase/decrease value in text input
// https://developer.mozilla.org/DOM/DOM_event_reference/DOMMouseScroll
function mouseWheel(aEvent) {
let input = aEvent.target;
if (aEvent.detail > 0) { // Scroll down
if (input.value > 1) input.value--; // Decrease number if value > 1
else aEvent.stopPropagation(); // else stop (min = 1)
}
else { // Scroll up
if (input.value < 50) input.value++; // Increase number if value < 50
else aEvent.stopPropagation(); // else stop (max = 50)
}
setValueFromInput(aEvent);
}
function $(aSelector, aNode) {
return (aNode || document).querySelector(aSelector);
}