Index: chrome/browser/resources/file_manager/js/metadata/function_sequence.js |
diff --git a/chrome/browser/resources/file_manager/js/metadata/function_sequence.js b/chrome/browser/resources/file_manager/js/metadata/function_sequence.js |
deleted file mode 100644 |
index a2372f9f146ce21e9d8981138161a4e5d1decfd2..0000000000000000000000000000000000000000 |
--- a/chrome/browser/resources/file_manager/js/metadata/function_sequence.js |
+++ /dev/null |
@@ -1,133 +0,0 @@ |
-// Copyright (c) 2012 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. |
- |
-'use strict'; |
- |
-/** |
- * @class FunctionSequence to invoke steps in sequence |
- * |
- * @param {string} name // TODO(JSDOC). |
- * @param {Array} steps array of functions to invoke in sequence. |
- * @param {Object} logger logger. |
- * @param {function} callback callback to invoke on success. |
- * @param {function} failureCallback callback to invoke on failure. |
- * @constructor |
- */ |
-function FunctionSequence(name, steps, logger, callback, failureCallback) { |
- // Private variables hidden in closure |
- this.currentStepIdx_ = -1; |
- this.failed_ = false; |
- this.steps_ = steps; |
- this.callback_ = callback; |
- this.failureCallback_ = failureCallback; |
- this.logger = logger; |
- this.name = name; |
- |
- this.onError = this.onError_.bind(this); |
- this.finish = this.finish_.bind(this); |
- this.nextStep = this.nextStep_.bind(this); |
- this.apply = this.apply_.bind(this); |
-} |
- |
-/** |
- * Sets new callback |
- * |
- * @param {function} callback new callback to call on succeed. |
- */ |
-FunctionSequence.prototype.setCallback = function(callback) { |
- this.callback_ = callback; |
-}; |
- |
-/** |
- * Sets new error callback |
- * |
- * @param {function} failureCallback new callback to call on failure. |
- */ |
-FunctionSequence.prototype.setFailureCallback = function(failureCallback) { |
- this.failureCallback_ = failureCallback; |
-}; |
- |
- |
-/** |
- * Error handling function, which traces current error step, stops sequence |
- * advancing and fires error callback. |
- * |
- * @param {string} err Error message. |
- * @private |
- */ |
-FunctionSequence.prototype.onError_ = function(err) { |
- this.logger.vlog('Failed step: ' + this.steps_[this.currentStepIdx_].name + |
- ': ' + err); |
- if (!this.failed_) { |
- this.failed_ = true; |
- this.failureCallback_(err); |
- } |
-}; |
- |
-/** |
- * Finishes sequence processing and jumps to the last step. |
- * This method should not be used externally. In external |
- * cases should be used finish function, which is defined in closure and thus |
- * has access to internal variables of functionsequence. |
- * @private |
- */ |
-FunctionSequence.prototype.finish_ = function() { |
- if (!this.failed_ && this.currentStepIdx_ < this.steps_.length) { |
- this.currentStepIdx_ = this.steps_.length; |
- this.callback_(); |
- } |
-}; |
- |
-/** |
- * Advances to next step. |
- * This method should not be used externally. In external |
- * cases should be used nextStep function, which is defined in closure and thus |
- * has access to internal variables of functionsequence. |
- * @private |
- * @param {...} var_args // TODO(JSDOC). |
- */ |
-FunctionSequence.prototype.nextStep_ = function(var_args) { |
- if (this.failed_) { |
- return; |
- } |
- |
- if (++this.currentStepIdx_ >= this.steps_.length) { |
- this.logger.vlog('Sequence ended'); |
- this.callback_.apply(this, arguments); |
- } else { |
- this.logger.vlog('Attempting to start step [' + |
- this.steps_[this.currentStepIdx_].name + |
- ']'); |
- try { |
- this.steps_[this.currentStepIdx_].apply(this, arguments); |
- } catch (e) { |
- this.onError(e.toString()); |
- } |
- } |
-}; |
- |
-/** |
- * This function should be called only once on start, so start sequence pipeline |
- * @param {...} var_args // TODO(JSDOC). |
- */ |
-FunctionSequence.prototype.start = function(var_args) { |
- if (this.started) { |
- throw new Error('"Start" method of FunctionSequence was called twice'); |
- } |
- |
- this.logger.log('Starting sequence with ' + arguments.length + ' arguments'); |
- |
- this.started = true; |
- this.nextStep.apply(this, arguments); |
-}; |
- |
-/** |
- * Add Function object mimics to FunctionSequence |
- * @private |
- * @param {*} obj // TODO(JSDOC). |
- * @param {Array.*} args // TODO(JSDOC). |
- */ |
-FunctionSequence.prototype.apply_ = function(obj, args) { |
- this.start.apply(this, args); |
-}; |