stop using js modules

1 files changed, 63 insertions, 0 deletions

diff --git a/content/page_actions.js b/content/page_actions.js
new file mode 100644
index 0000000..047bf24
--- /dev/null
+++ b/content/page_actions.js
@@ -0,0 +1,63 @@
+/**
+* Myext handling of page actions in content scripts
+*
+* Copyright (C) 2021 Wojtek Kosior
+*
+* Dual-licensed under:
+*   - 0BSD license
+*   - GPLv3 or (at your option) any later version
+*/
+
+"use strict";
+
+(() => {
+    const CONNECTION_TYPE = window.CONNECTION_TYPE;
+    const browser = window.browser;
+
+    var port;
+    var loaded = false;
+    var scripts_awaiting = [];
+
+    function handle_message(message)
+    {
+	console.log(["message", message]);
+
+	if (message.inject === undefined)
+	    return;
+
+	for (let script_text of message.inject) {
+	    if (loaded)
+		add_script(script_text);
+	    else
+		scripts_awaiting.push(script_text);
+	}
+    }
+
+    function document_loaded(event)
+    {
+	console.log("loaded");
+
+	loaded = true;
+
+	for (let script_text of scripts_awaiting)
+	    add_script(script_text);
+
+	scripts_awaiting = undefined;
+    }
+
+    function add_script(script_text)
+    {
+	let script = document.createElement("script");
+	script.textContent = script_text;
+	document.body.appendChild(script);
+    }
+
+    function handle_page_actions() {
+	document.addEventListener("DOMContentLoaded", document_loaded);
+	port = browser.runtime.connect({name : CONNECTION_TYPE.PAGE_ACTIONS});
+	port.onMessage.addListener(handle_message);
+	port.postMessage({url: document.URL});
+    }
+
+    window.handle_page_actions = handle_page_actions;
+})();