Change to old clipboard copy technique, to support chrome and older firefox versions

core_js/context_menu.js

@@ -18,7 +18,8 @@
 
 /*jshint esversion: 6 */
 /*
-* This script is responsible for context menu cleaning functions.
+* This script is responsible for context menu cleaning functions
+* and based on: https://github.com/mdn/webextensions-examples/tree/master/context-menu-copy-link-with-types
 */
 
 browser.contextMenus.create({
@@ -30,8 +31,23 @@ browser.contextMenus.create({
 browser.contextMenus.onClicked.addListener((info, tab) => {
     if (info.menuItemId === "copy-link-to-clipboard") {
         const url = contextCleaning(info.linkUrl);
-        navigator.clipboard.writeText(url).then(() => {
+        const code = "copyToClipboard(" +
-            console.log("[ClearURLs] Copied cleaned url to clipboard.");
+        JSON.stringify(url)+");";
+
+        browser.tabs.executeScript({
+            code: "typeof copyToClipboard === 'function';",
+        }).then((results) => {
+            if (!results || results[0] !== true) {
+                return browser.tabs.executeScript(tab.id, {
+                    file: "external_js/clipboard-helper.js",
+                });
+            }
+        }).then(() => {
+            return browser.tabs.executeScript(tab.id, {
+                code,
+            });
+        }).catch((error) => {
+            console.error("Failed to copy text: " + error);
         });
     }
 });

external_js/clipboard-helper.js

@@ -0,0 +1,16 @@
+/*
+ * Source: https://github.com/mdn/webextensions-examples/tree/master/context-menu-copy-link-with-types
+ */
+function copyToClipboard(text) {
+    function oncopy(event) {
+        document.removeEventListener("copy", oncopy, true);
+
+        event.stopImmediatePropagation();
+
+        event.preventDefault();
+        event.clipboardData.setData("text/plain", text);
+    }
+    document.addEventListener("copy", oncopy, true);
+
+    document.execCommand("copy");
+}

manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "ClearURLs",
-    "version": "1.5.7.1",
+    "version": "1.5.8",
     "author": "Kevin R.",
     "description": "Remove tracking elements form URLs.",
     "homepage_url": "https://gitlab.com/KevinRoebert/ClearUrls",