1 files changed, 61 insertions, 0 deletions
diff --git a/devtools/shared/platform/clipboard.js b/devtools/shared/platform/clipboard.js
new file mode 100644
index 0000000000..d9d471c504
--- /dev/null
+++ b/devtools/shared/platform/clipboard.js
@@ -0,0 +1,61 @@
+/* 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;