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-rwxr-xr-xbrowser/base/content/browser.js6
1 files changed, 4 insertions, 2 deletions
diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 7b05e1da7..7aaaa09aa 100755
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -1055,8 +1055,10 @@ var gBrowserInit = {
window.matchMedia("(-moz-windows-default-theme)").matches) {
let windowFrameColor = new Color(...Cu.import("resource:///modules/Windows8WindowFrameColor.jsm", {})
.Windows8WindowFrameColor.get());
- // Default to black for foreground text.
- if (!windowFrameColor.isContrastRatioAcceptable(new Color(0, 0, 0))) {
+ // Check if window frame color is dark.
+ if ((windowFrameColor.r * 2 +
+ windowFrameColor.g * 5 +
+ windowFrameColor.b) <= 128 * 8) {
document.documentElement.setAttribute("darkwindowframe", "true");
}
}