gecko-dev/browser/modules/Windows8WindowFrameColor.jsm

34 строки
1.4 KiB
JavaScript

/* 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/. */
"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
this.EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"];
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/WindowsRegistry.jsm");
const Windows8WindowFrameColor = {
_windowFrameColor: null,
get: function() {
if (this._windowFrameColor)
return this._windowFrameColor;
let windowFrameColor = WindowsRegistry.readRegKey(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
"Software\\Microsoft\\Windows\\DWM",
"ColorizationColor");
// The color returned from the Registry is in decimal form.
let windowFrameColorHex = windowFrameColor.toString(16);
// Zero-pad the number just to make sure that it is 8 digits.
windowFrameColorHex = ("00000000" + windowFrameColorHex).substr(-8);
let windowFrameColorArray = windowFrameColorHex.match(/../g);
let [pixelA, pixelR, pixelG, pixelB] = windowFrameColorArray.map(function(val) parseInt(val, 16));
return this._windowFrameColor = [pixelR, pixelG, pixelB];
},
};