| Index: chrome/browser/resources/media_internals/item_store.js
|
| ===================================================================
|
| --- chrome/browser/resources/media_internals/item_store.js (revision 179909)
|
| +++ chrome/browser/resources/media_internals/item_store.js (working copy)
|
| @@ -1,70 +0,0 @@
|
| -// Copyright (c) 2011 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.
|
| -
|
| -cr.define('media', function() {
|
| -
|
| - /**
|
| - * This class stores hashes by their id field and provides basic methods for
|
| - * iterating over the collection.
|
| - * @constructor
|
| - */
|
| - function ItemStore() {
|
| - this.items_ = {};
|
| - }
|
| -
|
| - ItemStore.prototype = {
|
| - /**
|
| - * Get a sorted list of item ids.
|
| - * @return {Array} A sorted array of ids.
|
| - */
|
| - ids: function() {
|
| - var ids = [];
|
| - for (var i in this.items_)
|
| - ids.push(i);
|
| - return ids.sort();
|
| - },
|
| -
|
| - /**
|
| - * Add an item to the store.
|
| - * @param {Object} item The item to be added.
|
| - * @param {string} item.id The id of the item.
|
| - */
|
| - addItem: function(item) {
|
| - this.items_[item.id] = item;
|
| - },
|
| -
|
| - /**
|
| - * Add a dictionary of items to the store.
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| - * @param {Object} items A dictionary of individual items. The keys are
|
| - * irrelevant but each must have an id field.
|
| - */
|
| - addItems: function(items) {
|
| - for (id in items)
|
| - this.addItem(items[id]);
|
| - },
|
| -
|
| - /**
|
| - * Remove an item from the store.
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| - * @param {string} id The id of the item to be removed.
|
| - */
|
| - removeItem: function(id) {
|
| - delete this.items_[id];
|
| - },
|
| -
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| - /**
|
| - * Map this itemStore to an Array. Items are sorted by id.
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| - * @param {function(*)} mapper The mapping function applied to each item.
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| - * @return {Array} An array of mapped items.
|
| - */
|
| - map: function(mapper) {
|
| - var items = this.items_;
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| - var ids = this.ids();
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| - return ids.map(function(id) { return mapper(items[id]); });
|
| - }
|
| - };
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| -
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| - return {
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| - ItemStore: ItemStore
|
| - };
|
| -});
|
|
|