gecko-dev/browser/modules/Windows8WindowFrameColor.jsm
Victor Porof af7d1d3b67 Bug 1561435 - Format browser/modules/, a=automatic-formatting
# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D36046

--HG--
extra : source : f3c632037a1064c41b1f8b02f477c854b2fb4362
2019-07-05 09:55:19 +02:00

62 lines
2.0 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";
var EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"];
var { WindowsRegistry: Registry } = ChromeUtils.import(
"resource://gre/modules/WindowsRegistry.jsm"
);
var Windows8WindowFrameColor = {
_windowFrameColor: null,
get() {
if (this._windowFrameColor) {
return this._windowFrameColor;
}
const HKCU = Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER;
const dwmKey = "Software\\Microsoft\\Windows\\DWM";
let customizationColor = Registry.readRegKey(
HKCU,
dwmKey,
"ColorizationColor"
);
if (customizationColor == undefined) {
// Seems to be the default color (hardcoded because of bug 1065998)
return [158, 158, 158];
}
// The color returned from the Registry is in decimal form.
let customizationColorHex = customizationColor.toString(16);
// Zero-pad the number just to make sure that it is 8 digits.
customizationColorHex = ("00000000" + customizationColorHex).substr(-8);
let customizationColorArray = customizationColorHex.match(/../g);
let [, fgR, fgG, fgB] = customizationColorArray.map(val =>
parseInt(val, 16)
);
let colorizationColorBalance = Registry.readRegKey(
HKCU,
dwmKey,
"ColorizationColorBalance"
);
if (colorizationColorBalance == undefined) {
colorizationColorBalance = 78;
}
// Window frame base color when Color Intensity is at 0, see bug 1004576.
let frameBaseColor = 217;
let alpha = colorizationColorBalance / 100;
// Alpha-blend the foreground color with the frame base color.
let r = Math.round(fgR * alpha + frameBaseColor * (1 - alpha));
let g = Math.round(fgG * alpha + frameBaseColor * (1 - alpha));
let b = Math.round(fgB * alpha + frameBaseColor * (1 - alpha));
return (this._windowFrameColor = [r, g, b]);
},
};