AMO: Randomize Contribute Button

Randomize 'Contribute' button on Mozilla Add-ons

As of 2014-02-19. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

/*
    Randomize 'Contribute' button on Mozilla Add-ons
    Copyright (C) 2012 LouCypher

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>
*/

// ==UserScript==
// @name          AMO: Randomize Contribute Button
// @namespace     http://userstyles.org/users/12
// @description   Randomize 'Contribute' button on Mozilla Add-ons
// @version       1.1
// @author        LouCypher
// @license       GPL
// @include       https://addons.mozilla.org/*
// @grant         GM_addStyle
// ==/UserScript==

var contributt = document.getElementById("contribute-button");
if (contributt) {

  var things = [
    { name: "drink",
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    },

    { name: "coffee",
      icon: "data:image/png;base64,\
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    },

    { name: "beer",
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    },

    { name: "donut",
      icon: "data:image/png;base64,\
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    },

    { name: "hamburger",
      icon: "data:image/png;base64,\
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      pos: "center center"
    },

    { name: "car",
      icon: "data:image/png;base64,\
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      pos: "bottom center",
      margin: "6px"
    }
  ]

  var num = parseInt(Math.random() * things.length);
  contributt.innerHTML = "<b></b>Buy me a " + things[num].name;
  GM_addStyle(".button.contribute.prominent b {\n"
            + "  background-image: url('" + things[num].icon + "');\n"
            + "  background-position: "
            + (things[num].pos ? things[num].pos : "center 2px") + ";\n"
            + "  margin-right: "
            + (things[num].margin ? things[num].margin : "0") + ";\n"
            + "}")
}