mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
65 lines
2.2 KiB
JavaScript
65 lines
2.2 KiB
JavaScript
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/**
|
|
* nsClipboard - wrapper around nsIClipboard and nsITransferable
|
|
* that simplifies access to the clipboard.
|
|
**/
|
|
var nsClipboard = {
|
|
_CB: null,
|
|
get mClipboard()
|
|
{
|
|
if (!this._CB)
|
|
{
|
|
const kCBContractID = "@mozilla.org/widget/clipboard;1";
|
|
const kCBIID = Components.interfaces.nsIClipboard;
|
|
this._CB = Components.classes[kCBContractID].getService(kCBIID);
|
|
}
|
|
return this._CB;
|
|
},
|
|
|
|
currentClipboard: null,
|
|
/**
|
|
* Array/Object read (Object aFlavourList, long aClipboard, Bool aAnyFlag) ;
|
|
*
|
|
* returns the data in the clipboard
|
|
*
|
|
* @param FlavourSet aFlavourSet
|
|
* formatted list of desired flavours
|
|
* @param long aClipboard
|
|
* the clipboard to read data from (kSelectionClipboard/kGlobalClipboard)
|
|
* @param Bool aAnyFlag
|
|
* should be false.
|
|
**/
|
|
read: function (aFlavourList, aClipboard, aAnyFlag)
|
|
{
|
|
this.currentClipboard = aClipboard;
|
|
var data = nsTransferable.get(aFlavourList, this.getClipboardTransferable, aAnyFlag);
|
|
return data.first.first; // only support one item
|
|
},
|
|
|
|
/**
|
|
* nsISupportsArray getClipboardTransferable (Object aFlavourList) ;
|
|
*
|
|
* returns a nsISupportsArray of the item on the clipboard
|
|
*
|
|
* @param Object aFlavourList
|
|
* formatted list of desired flavours.
|
|
**/
|
|
getClipboardTransferable: function (aFlavourList)
|
|
{
|
|
const supportsContractID = "@mozilla.org/supports-array;1";
|
|
const supportsIID = Components.interfaces.nsISupportsArray;
|
|
var supportsArray = Components.classes[supportsContractID].createInstance(supportsIID);
|
|
var trans = nsTransferable.createTransferable();
|
|
for (var flavour in aFlavourList)
|
|
trans.addDataFlavor(flavour);
|
|
nsClipboard.mClipboard.getData(trans, nsClipboard.currentClipboard)
|
|
supportsArray.AppendElement(trans);
|
|
return supportsArray;
|
|
}
|
|
};
|
|
|