mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-22 01:35:35 +00:00
5a9d2a428c
Depends on D11200 Differential Revision: https://phabricator.services.mozilla.com/D11201 --HG-- extra : moz-landing-system : lando
61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
/* 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/. */
|
|
|
|
// Helpers for clipboard handling.
|
|
|
|
"use strict";
|
|
|
|
const {Cc, Ci} = require("chrome");
|
|
const Services = require("Services");
|
|
const clipboardHelper = Cc["@mozilla.org/widget/clipboardhelper;1"]
|
|
.getService(Ci.nsIClipboardHelper);
|
|
|
|
function copyString(string) {
|
|
clipboardHelper.copyString(string);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the current clipboard data matching the flavor "text/unicode".
|
|
*
|
|
* @return {String} Clipboard text content, null if no text clipboard data is available.
|
|
*/
|
|
function getText() {
|
|
const flavor = "text/unicode";
|
|
|
|
const xferable = Cc["@mozilla.org/widget/transferable;1"]
|
|
.createInstance(Ci.nsITransferable);
|
|
|
|
if (!xferable) {
|
|
throw new Error("Couldn't get the clipboard data due to an internal error " +
|
|
"(couldn't create a Transferable object).");
|
|
}
|
|
|
|
xferable.init(null);
|
|
xferable.addDataFlavor(flavor);
|
|
|
|
// Get the data into our transferable.
|
|
Services.clipboard.getData(
|
|
xferable,
|
|
Services.clipboard.kGlobalClipboard
|
|
);
|
|
|
|
const data = {};
|
|
try {
|
|
xferable.getTransferData(flavor, data);
|
|
} catch (e) {
|
|
// Clipboard doesn't contain data in flavor, return null.
|
|
return null;
|
|
}
|
|
|
|
// There's no data available, return.
|
|
if (!data.value) {
|
|
return null;
|
|
}
|
|
|
|
return data.value.QueryInterface(Ci.nsISupportsString).data;
|
|
}
|
|
|
|
exports.copyString = copyString;
|
|
exports.getText = getText;
|