From 4968f7b080d68a49cecb698072d88a31d7bef5af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C3=A1roly=20Kiripolszky?= <karcsi@ekezet.com>
Date: Sun, 24 Mar 2019 16:06:39 +0100
Subject: [PATCH] hide CLI 'Copy to clipboard' button if neither NW nor browser
 support is available

---
 src/js/main.js     |  2 +-
 src/js/tabs/cli.js | 22 ++++++++++++++--------
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/js/main.js b/src/js/main.js
index 01d62e85..5da7506e 100644
--- a/src/js/main.js
+++ b/src/js/main.js
@@ -283,7 +283,7 @@ function startProcess() {
                         TABS.onboard_logging.initialize(content_ready);
                         break;
                     case 'cli':
-                        TABS.cli.initialize(content_ready);
+                        TABS.cli.initialize(content_ready, nwGui);
                         break;
 
                     default:
diff --git a/src/js/tabs/cli.js b/src/js/tabs/cli.js
index a865d137..24db0fbe 100644
--- a/src/js/tabs/cli.js
+++ b/src/js/tabs/cli.js
@@ -41,7 +41,7 @@ function getCliCommand(command, cliBuffer) {
     return commandWithBackSpaces(command, buffer, noOfCharsToDelete);
 }
 
-function copyToClipboard(text) {
+function copyToClipboard(text, nwGui) {
     function onCopySuccessful() {
         writeLineToOutput("* " + i18n.getMessage("cliCopySuccessful"));
     }
@@ -52,8 +52,7 @@ function copyToClipboard(text) {
 
     function nwCopy(text) {
         try {
-            let gui = require('nw.gui'),
-                clipboard = gui.Clipboard.get();
+            let clipboard = nwGui.Clipboard.get();
             clipboard.set(text, "text");
             onCopySuccessful();
         } catch (ex) {
@@ -66,11 +65,11 @@ function copyToClipboard(text) {
             .then(onCopySuccessful, onCopyFailed);
     }
 
-    let copyFunc = !navigator.clipboard ? nwCopy : webCopy;
+    let copyFunc = nwGui ? nwCopy : webCopy;
     copyFunc(text);
 }
 
-TABS.cli.initialize = function (callback) {
+TABS.cli.initialize = function (callback, nwGui) {
     var self = this;
 
     if (GUI.active_tab != 'cli') {
@@ -80,6 +79,9 @@ TABS.cli.initialize = function (callback) {
     self.outputHistory = "";
     self.cliBuffer = "";
 
+    // nwGui variable is set in main.js
+    const clipboardCopySupport = !(nwGui == null && !navigator.clipboard);
+
     $('#content').load("./tabs/cli.html", function () {
         // translate to user-selected language
         i18n.localizePage();
@@ -136,9 +138,13 @@ TABS.cli.initialize = function (callback) {
             $('.tab-cli .window .wrapper').empty();
         });
 
-        $('.tab-cli .copy').click(function() {
-            copyToClipboard(self.outputHistory);
-        });
+        if (clipboardCopySupport) {
+            $('.tab-cli .copy').click(function() {
+                copyToClipboard(self.outputHistory, nwGui);
+            });
+        } else {
+            $('.tab-cli .copy').hide();
+        }
 
         // Tab key detection must be on keydown,
         // `keypress`/`keyup` happens too late, as `textarea` will have already lost focus.