HostTableEntry refactor

remoting/webapp/base/js/base.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * A module that contains basic utility components and methods for the
  * chromoting project
  *
  */
@@ skipping 56 matching lines @@
  * @implements {base.Disposable}
  */
 base.Disposables = function(var_args) {
   /**
    * @type {Array<base.Disposable>}
    * @private
    */
   this.disposables_ = Array.prototype.slice.call(arguments, 0);
 };
 
+/**
+ * @param {...base.Disposable} var_args
+ */
+base.Disposables.prototype.add = function(var_args) {
+  var disposables = Array.prototype.slice.call(arguments, 0);
+  for (var i = 0; i < disposables.length; i++) {
+    var current = /** @type {base.Disposable} */ (disposables[i]);
+    if (this.disposables_.indexOf(current) === -1) {
+      this.disposables_.push(current);
+    }
+  }
+};
+
+/**
+ * @param {...base.Disposable} var_args  Dispose |var_args| and remove
+ *    them from the current object.
+ */
+base.Disposables.prototype.remove = function(var_args) {
+  var disposables = Array.prototype.slice.call(arguments, 0);
+  for (var i = 0; i < disposables.length; i++) {
+    var disposable = /** @type {base.Disposable} */ (disposables[i]);
+    var index = this.disposables_.indexOf(disposable);
+    if(index !== -1) {
+      this.disposables_.splice(index, 1);
+      disposable.dispose();
+    }
+  }
+};
+
 base.Disposables.prototype.dispose = function() {
   for (var i = 0; i < this.disposables_.length; i++) {
     this.disposables_[i].dispose();
   }
   this.disposables_ = null;
 };
 
 /**
  * A utility function to invoke |obj|.dispose without a null check on |obj|.
  * @param {base.Disposable} obj
@@ skipping 534 matching lines @@
  */
 base.resizeWindowToContent = function() {
   var appWindow = chrome.app.window.current();
   var outerBounds = appWindow.outerBounds;
   var borderY = outerBounds.height - appWindow.innerBounds.height;
   appWindow.resizeTo(outerBounds.width, document.body.clientHeight + borderY);
   // Sometimes, resizing the window causes its position to be reset to (0, 0),
   // so restore it explicitly.
   appWindow.moveTo(outerBounds.left, outerBounds.top);
 };