browser/modules/Windows8WindowFrameColor.jsm@b8a032363ba2 (annotated)
browser/modules/Windows8WindowFrameColor.jsm
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | "use strict"; |
| michael@0 | 6 | const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; |
| michael@0 | 7 | |
| michael@0 | 8 | this.EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"]; |
| michael@0 | 9 | |
| michael@0 | 10 | Cu.import("resource://gre/modules/Services.jsm"); |
| michael@0 | 11 | Cu.import("resource://gre/modules/XPCOMUtils.jsm"); |
| michael@0 | 12 | let Registry = Cu.import("resource://gre/modules/WindowsRegistry.jsm").WindowsRegistry; |
| michael@0 | 13 | |
| michael@0 | 14 | const Windows8WindowFrameColor = { |
| michael@0 | 15 | _windowFrameColor: null, |
| michael@0 | 16 | |
| michael@0 | 17 | get: function() { |
| michael@0 | 18 | if (this._windowFrameColor) |
| michael@0 | 19 | return this._windowFrameColor; |
| michael@0 | 20 | |
| michael@0 | 21 | const HKCU = Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER; |
| michael@0 | 22 | const dwmKey = "Software\\Microsoft\\Windows\\DWM"; |
| michael@0 | 23 | let customizationColor = Registry.readRegKey(HKCU, dwmKey, |
| michael@0 | 24 | "ColorizationColor"); |
| michael@0 | 25 | // The color returned from the Registry is in decimal form. |
| michael@0 | 26 | let customizationColorHex = customizationColor.toString(16); |
| michael@0 | 27 | // Zero-pad the number just to make sure that it is 8 digits. |
| michael@0 | 28 | customizationColorHex = ("00000000" + customizationColorHex).substr(-8); |
| michael@0 | 29 | let customizationColorArray = customizationColorHex.match(/../g); |
| michael@0 | 30 | let [unused, fgR, fgG, fgB] = customizationColorArray.map(function(val) parseInt(val, 16)); |
| michael@0 | 31 | let colorizationColorBalance = Registry.readRegKey(HKCU, dwmKey, |
| michael@0 | 32 | "ColorizationColorBalance"); |
| michael@0 | 33 | // Window frame base color when Color Intensity is at 0, see bug 1004576. |
| michael@0 | 34 | let frameBaseColor = 217; |
| michael@0 | 35 | let alpha = colorizationColorBalance / 100; |
| michael@0 | 36 | |
| michael@0 | 37 | // Alpha-blend the foreground color with the frame base color. |
| michael@0 | 38 | let r = Math.round(fgR * alpha + frameBaseColor * (1 - alpha)); |
| michael@0 | 39 | let g = Math.round(fgG * alpha + frameBaseColor * (1 - alpha)); |
| michael@0 | 40 | let b = Math.round(fgB * alpha + frameBaseColor * (1 - alpha)); |
| michael@0 | 41 | return this._windowFrameColor = [r, g, b]; |
| michael@0 | 42 | }, |
| michael@0 | 43 | }; |
