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/*
Copyright (C) 2009-2018 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2010 Samuel Creshal <creshal@arcor.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
namespace ColorfulTabs {
public class Tint : Peas.ExtensionBase, Midori.TabActivatable {
public Midori.Tab tab { owned get; set; }
public void activate () {
tab.notify["display-uri"].connect (apply_tint);
apply_tint ();
deactivate.connect (() => {
tab.notify["display-uri"].disconnect (apply_tint);
tab.color = null;
});
}
void apply_tint () {
if ("://" in tab.display_uri) {
Gdk.Color color;
// Hash the hostname without the protocol or path
string hostname = tab.display_uri.chr (-1, '/').offset (2).split ("/")[0];
string hash = Checksum.compute_for_string (ChecksumType.MD5, hostname, 1);
Gdk.Color.parse ("#" + hash.substring (0, 6), out color);
// Adjust background brightness
uint16 grey = 137 * 255;
uint16 adjustment = 78 * 255;
uint16 blue = 39 * 255;
uint16 extra = 19 * 255;
if (color.red < grey && color.green < grey && color.blue < grey) {
color.red += adjustment;
color.green += adjustment;
color.blue += adjustment;
}
color.red = color.red < blue ? extra : color.red - extra;
color.blue = color.blue < blue ? extra : color.blue - extra;
color.green = color.green < blue ? extra : color.green - extra;
tab.color = color.to_string ();
} else {
tab.color = null;
}
}
}
}
[ModuleInit]
public void peas_register_types(TypeModule module) {
((Peas.ObjectModule)module).register_extension_type (
typeof (Midori.TabActivatable), typeof (ColorfulTabs.Tint));
}
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