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53 lines
2.3 KiB
53 lines
2.3 KiB
/* This Source Code Form is subject to the terms of the Mozilla Public |
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* License, v. 2.0. If a copy of the MPL was not distributed with this |
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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"use strict"; |
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; |
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this.EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"]; |
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Cu.import("resource://gre/modules/Services.jsm"); |
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Cu.import("resource://gre/modules/XPCOMUtils.jsm"); |
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Cu.import("resource://gre/modules/WindowsRegistry.jsm"); |
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var Windows8WindowFrameColor = { |
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_windowFrameColor: null, |
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get_win8: function() { |
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if (this._windowFrameColor) |
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return this._windowFrameColor; |
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const HKCU = Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER; |
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const dwmKey = "Software\\Microsoft\\Windows\\DWM"; |
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// Window frame base color component values when Color Intensity is at 0. |
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let frameBaseColor = 217; |
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let windowFrameColor = WindowsRegistry.readRegKey(HKCU, dwmKey, |
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"ColorizationColor"); |
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if (windowFrameColor == undefined) { |
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// Return the default color if unset or colorization not used |
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return this._windowFrameColor = [frameBaseColor, frameBaseColor, frameBaseColor]; |
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} |
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// The color returned from the Registry is in decimal form. |
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let windowFrameColorHex = windowFrameColor.toString(16); |
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// Zero-pad the number just to make sure that it is 8 digits. |
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windowFrameColorHex = ("00000000" + windowFrameColorHex).substr(-8); |
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let windowFrameColorArray = windowFrameColorHex.match(/../g); |
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let [unused, fgR, fgG, fgB] = windowFrameColorArray.map(function(val) parseInt(val, 16)); |
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let windowFrameColorBalance = WindowsRegistry.readRegKey(HKCU, dwmKey, |
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"ColorizationColorBalance"); |
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// Default to balance=78 if reg key isn't defined |
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if (windowFrameColorBalance == undefined) { |
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windowFrameColorBalance = 78; |
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} |
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let alpha = windowFrameColorBalance / 100; |
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// Alpha-blend the foreground color with the frame base color. |
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let r = Math.round(fgR * alpha + frameBaseColor * (1 - alpha)); |
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let g = Math.round(fgG * alpha + frameBaseColor * (1 - alpha)); |
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let b = Math.round(fgB * alpha + frameBaseColor * (1 - alpha)); |
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return this._windowFrameColor = [r, g, b]; |
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} |
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};
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