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-rw-r--r--toolkit/content/nsClipboard.js64
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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;
+ }
+};
+