1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/interfaces/storage/nsIDOMStorage.idl Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,68 @@ 1.4 +/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#include "domstubs.idl" 1.10 + 1.11 +/** 1.12 + * Interface for client side storage. See 1.13 + * http://www.whatwg.org/specs/web-apps/current-work/multipage/structured.html#storage0 1.14 + * for more information. 1.15 + * 1.16 + * A storage object stores an arbitrary set of key-value pairs, which 1.17 + * may be retrieved, modified and removed as needed. A key may only 1.18 + * exist once within a storage object, and only one value may be 1.19 + * associated with a particular key. Keys are stored in a particular 1.20 + * order with the condition that this order not change by merely changing 1.21 + * the value associated with a key, but the order may change when a 1.22 + * key is added or removed. 1.23 + */ 1.24 + 1.25 +[scriptable, uuid(43E5EDAD-1E02-42c4-9D99-C3D9DEE22A20)] 1.26 +interface nsIDOMStorage : nsISupports 1.27 +{ 1.28 + /** 1.29 + * The number of keys stored. 1.30 + */ 1.31 + readonly attribute unsigned long length; 1.32 + 1.33 + /** 1.34 + * Retrieve the name of the key at a particular index. 1.35 + * 1.36 + * @param index index of the item to retrieve 1.37 + * @returns the key at index, null if there is no key at that index 1.38 + */ 1.39 + DOMString key(in unsigned long index); 1.40 + 1.41 + /** 1.42 + * Retrieve an item with a given key 1.43 + * 1.44 + * @param key key to retrieve 1.45 + * @returns found data or empty string if the key was not found 1.46 + */ 1.47 + DOMString getItem([Null(Stringify)] in DOMString key); 1.48 + 1.49 + /** 1.50 + * Assign a value with a key. If the key does not exist already, a new 1.51 + * key is added associated with that value. If the key already exists, 1.52 + * then the existing value is replaced with a new value. 1.53 + * 1.54 + * @param key key to set 1.55 + * @param data data to associate with the key 1.56 + */ 1.57 + void setItem([Null(Stringify)] in DOMString key, [Null(Stringify)] in DOMString data); 1.58 + 1.59 + /** 1.60 + * Remove a key and its corresponding value. 1.61 + * 1.62 + * @param key key to remove 1.63 + */ 1.64 + void removeItem([Null(Stringify)] in DOMString key); 1.65 + 1.66 + /** 1.67 + * Clear the content of this storage bound to a domain 1.68 + * or an origin. 1.69 + */ 1.70 + void clear(); 1.71 +};