☰

Loose Content Injector

try to take over the world!

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greasyfork.org/scripts/391980/746753/Loose%20Content%20Injector.js 

// ==UserScript==
// @name         Loose Content Injector
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.tampermonkey.net/
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
})();function LooseContentInjector(injectorName, injectionInterval_ms, completionCallback) {
    //region Content Item Object
    function ContentItem(name, required, priority, failureLimit) {

      var instance = this;

      this.failureLimit = failureLimit || 250;
      this.required = required || false;
      this.priority = priority || 5;

      this.name = name || undefined;
      this.inject = null;
      this.callback = null;
      this.canInject = null;
      this.isInjected = null;

      this.failures = 0;
      this.lastError = null;

      this.sendCallback = function(){
          if (typeof instance.callback === "function") {
              instance.callback(instance);
            }
      };
      this.isFailed = function() {
        return instance.failures >= instance.failureLimit;
      };
      this.canInject = function() {
        try {
          return instance.canInject();
        } catch (e) {
          instance.lastError = e;
          return false;
        }
      };
      this.isCompleted = function() {
        return instance.isFailed() || instance.isInjected();
      };
      this.reset = function() {
        instance.failures = 0;
        instance.failureLimit = failureLimit;
        instance.lastError = null;
      };
    }
    this.CreateContentItem = function(
      name,
      required,
      priority,
      failureLimit
    ) {
      return new ContentItem(name, required, priority, failureLimit);
    };
    //endregion

    //region Members
    var instance = this;
    var _contentItems = [];
    var _completionCallback = completionCallback;

    var canceled = false;
    var errorMessage = null;

    var currentPriority = 10;
    //endregion

    //region Public Methods
    this.inject = function(callback) {
      _completionCallback = completionCallback;
      console.log("LCI [" + injectorName + "]: Injecting...");
      injectLoop();
    };
    this.cancelInjection = function() {
      canceled = true;
    };
    this.hasError = function() {
      return errorMessage !== null;
    };
    this.getLastError = function() {
      return errorMessage;
    };

    this.addContentItem = function(contentItem) {
      _contentItems.push(contentItem);
    };
    this.removeContentItem = function(contentItem) {
      var index;
      if ((index = _contentItems.indexOf(contentItem)) > -1) {
        _contentItems.splice(index, 1);
      }
    };
    this.isCanceled = function() {
      return canceled;
    };
    this.isComplete = function() {
      if (instance.isCanceled() || instance.hasError()) {
        return true;
      }
      for (var i = 0; i < _contentItems.length; i++) {
        if (!_contentItems[i].isCompleted()) {
          return false;
        }
      }
      return true;
    };
    this.reset = function() {
      for (var i = 0; i < _contentItems.length; i++) {
        _contentItems[i].reset();
      }
    };
    //endregion

    //region Private Methods
    function sendCompletionCallback(success) {
      if (typeof _completionCallback === "function") {
        _completionCallback(success);
      }
    }

    function sendCompleted() {
      var loadedCount = 0;
      for (var i = 0; i < _contentItems.length; i++) {
        if (_contentItems[i].isInjected()) {
          loadedCount++;
        }
      }
      if (instance.errorMessage !== null || canceled) {
          sendCompletionCallback(false);
      }
      else{
          sendCompletionCallback(true);
      }
      console.log("LCI [" + injectorName + "]: Injected. (" + loadedCount + "/" + _contentItems.length + ")");
    }

    function injectLoop() {

      var currentPriorityItems = _contentItems.filter(item => item.priority === currentPriority && !item.isCompleted());
      while(currentPriority > 0 && currentPriorityItems.length === 0){
          currentPriority--;
          if(currentPriority < 0){
              sendCompleted();
              return;
          }
          currentPriorityItems = _contentItems.filter(item => item.priority === currentPriority && !item.isCompleted());
      }

      for (var index = 0; index < currentPriorityItems.length; index++) {

        var contentItem = currentPriorityItems[index];
        var preText = "LCI [" + injectorName + "][" + contentItem.name + "]: ";
        try {
          if (contentItem.canInject()) {
              contentItem.inject();
              if (!contentItem.isInjected()) {
                  contentItem.failures++;
                  contentItem.lastError = "Injection check failed";
              }
          }
          else {
              contentItem.failures++;
              contentItem.lastError = "Injection conditions not met";
          }
      } catch (e) {
          contentItem.failures++;
          contentItem.lastError = "Injection error: " + e.errorMessage;
      }

      if (contentItem.isCompleted()) {
          contentItem.sendCallback();
          if (contentItem.isFailed()) {
              console.log(preText + "Injection failed. (" + contentItem.lastError + ")");
              if (contentItem.required) {
                  instance.errorMessage = "A Required injection failed. [" + contentItem.name + "]";
                  sendCompleted();
                  return;
              }
          }
          else {
            console.log(preText + "Injection success. ");
          }
        }
      }
      if (instance.isComplete()) {
        sendCompleted();
      } else {
        setTimeout(injectLoop, injectionInterval_ms);
      }
    }
    //endregion
  }