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/* -*- indent-tabs-mode: nil; js-indent-level: 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;
}
};
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