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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /browser/modules/Windows8WindowFrameColor.jsm | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'browser/modules/Windows8WindowFrameColor.jsm')
-rw-r--r-- | browser/modules/Windows8WindowFrameColor.jsm | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/browser/modules/Windows8WindowFrameColor.jsm b/browser/modules/Windows8WindowFrameColor.jsm new file mode 100644 index 000000000..911333747 --- /dev/null +++ b/browser/modules/Windows8WindowFrameColor.jsm @@ -0,0 +1,53 @@ +/* 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 {interfaces: Ci, utils: Cu} = Components; + +this.EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"]; + +Cu.import("resource://gre/modules/Services.jsm"); +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); +var Registry = Cu.import("resource://gre/modules/WindowsRegistry.jsm").WindowsRegistry; + +var Windows8WindowFrameColor = { + _windowFrameColor: null, + + get: function() { + 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]; + }, +}; |