From 5f36adb083b86324923a9a316541a84448475dc0 Mon Sep 17 00:00:00 2001
From: mrmr1993
Date: Tue, 15 Aug 2017 16:41:50 +0100
Subject: FF: Add copy/paste functions to the HUD

---
 content_scripts/hud.coffee | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'content_scripts')

diff --git a/content_scripts/hud.coffee b/content_scripts/hud.coffee
index 7c983cfa..928ae5fd 100644
--- a/content_scripts/hud.coffee
+++ b/content_scripts/hud.coffee
@@ -9,6 +9,8 @@ HUD =
   findMode: null
   abandon: -> @hudUI?.hide false
 
+  pasteListener: null # Set by @pasteFromClipboard to handle the value returned by pasteResponse
+
   # This HUD is styled to precisely mimick the chrome HUD on Mac. Use the "has_popup_and_link_hud.html"
   # test harness to tweak these styles to match Chrome's. One limitation of our HUD display is that
   # it doesn't sit on top of horizontal scrollbars like Chrome's HUD does.
@@ -82,6 +84,20 @@ HUD =
     @findMode.exit()
     postExit?()
 
+  # These commands manage copying and pasting from the clipboard in the HUD frame.
+  # NOTE(mrmr1993): We need this to copy and paste on Firefox:
+  # * an element can't be focused in the background page, so copying/pasting doesn't work
+  # * we don't want to disrupt the focus in the page, in case the page is listening for focus/blur events.
+  # * the HUD shouldn't be active for this frame while any of the copy/paste commands are running.
+  copyToClipboard: (text) ->
+    @hudUI.postMessage {name: "copyToClipboard", data: text}
+
+  pasteFromClipboard: (@pasteListener) ->
+    @hudUI.postMessage {name: "pasteFromClipboard"}
+
+  pasteResponse: ({data}) ->
+    @pasteListener data
+
 class Tween
   opacity: 0
   intervalId: -1
-- 
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