Soundcloud Disable Comments

Remove comment elements from Soundcloud waveforms.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name           Soundcloud Disable Comments
// @description    Remove comment elements from Soundcloud waveforms.
// @namespace      http://userscripts.org/users/tim
// @include        http://soundcloud.com/*
// @include        https://soundcloud.com/*
// @copyright      2012 Tim Smart
// @license        MIT. Full license in source code.
// @version 0.0.1.20140425034613
// ==/UserScript==

// The MIT License
//
// Copyright (c) 2012 Tim Smart
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files
// (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and
// to permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

;(function () {

// For multiple environments.
var unsafe    = unsafeWindow || window
// Find a MutationObserver constructor.
var MutationObserver  = unsafe.MutationObserver

if (!MutationObserver && unsafe.WebKitMutationObserver) {
  MutationObserver = unsafe.WebKitMutationObserver
}

// ====
// Remove comments when found

function removeComments () {
  var commentBubbles      = document.querySelectorAll('div.commentBubble')
  var commentPlaceholders = document.querySelectorAll('div.commentPlaceholder')
  var commentForms        = document.querySelectorAll('div.commentForm')
  var wrappers            = document.querySelectorAll('div.waveform__scene')
  var canvases            = null
  var element             = null

  for (var i = 0, il = commentBubbles.length; i < il; i++) {
    element = commentBubbles[i]
    element.parentNode.removeChild(element)
  }
  for (var i = 0, il = commentPlaceholders.length; i < il; i++) {
    element = commentPlaceholders[i]
    element.parentNode.removeChild(element)
  }
  for (var i = 0, il = commentForms.length; i < il; i++) {
    element = commentForms[i]
    element.parentNode.removeChild(element)
  }
  for (var i = 0, il = wrappers.length; i < il; i++) {
    element  = wrappers[i]
    canvases = element.querySelectorAll('canvas')

    if (3 === canvases.length) {
      element = canvases[1]
      element.parentNode.removeChild(element)
    }
  }
}

var observer  = new MutationObserver(removeComments)
observer.observe(document, { childList : true, subtree : true })
removeComments()

})();

/* vim: set expandtab sts=2 ts=2 sw=2 tw=80 ft=javascript :*/