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