!import
1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 *
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 *
15 * The Original Code is mozilla.org code.
16 *
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
21 *
22 * Contributor(s):
23 * Ben Matthew Goodger <ben@netscape.com>
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
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32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
36 *
37 * ***** END LICENSE BLOCK ***** */
38
39 /**
40 * nsClipboard - wrapper around nsIClipboard and nsITransferable
41 * that simplifies access to the clipboard.
42 **/
43 var nsClipboard = {
44 _CB: null,
get_mClipboard
45 get mClipboard()
46 {
47 if (!this._CB)
48 {
49 const kCBContractID = "@mozilla.org/widget/clipboard;1";
50 const kCBIID = Components.interfaces.nsIClipboard;
51 this._CB = Components.classes[kCBContractID].getService(kCBIID);
52 }
53 return this._CB;
54 },
55
56 currentClipboard: null,
57 /**
58 * Array/Object read (Object aFlavourList, long aClipboard, Bool aAnyFlag) ;
59 *
60 * returns the data in the clipboard
61 *
62 * @param FlavourSet aFlavourSet
63 * formatted list of desired flavours
64 * @param long aClipboard
65 * the clipboard to read data from (kSelectionClipboard/kGlobalClipboard)
66 * @param Bool aAnyFlag
67 * should be false.
68 **/
read
69 read: function (aFlavourList, aClipboard, aAnyFlag)
70 {
71 this.currentClipboard = aClipboard;
72 var data = nsTransferable.get(aFlavourList, this.getClipboardTransferable, aAnyFlag);
73 return data.first.first; // only support one item
74 },
75
76 /**
77 * nsISupportsArray getClipboardTransferable (Object aFlavourList) ;
78 *
79 * returns a nsISupportsArray of the item on the clipboard
80 *
81 * @param Object aFlavourList
82 * formatted list of desired flavours.
83 **/
getClipboardTransferable
84 getClipboardTransferable: function (aFlavourList)
85 {
86 const supportsContractID = "@mozilla.org/supports-array;1";
87 const supportsIID = Components.interfaces.nsISupportsArray;
88 var supportsArray = Components.classes[supportsContractID].createInstance(supportsIID);
89 var trans = nsTransferable.createTransferable();
90 for (var flavour in aFlavourList)
91 trans.addDataFlavor(flavour);
92 nsClipboard.mClipboard.getData(trans, nsClipboard.currentClipboard)
93 supportsArray.AppendElement(trans);
94 return supportsArray;
95 }
96 };