1 files changed, 58 insertions, 0 deletions
diff --git a/content/page_actions.mjs b/content/page_actions.mjs
new file mode 100644
index 0000000..3ce5b73
--- /dev/null
+++ b/content/page_actions.mjs
@@ -0,0 +1,58 @@
+/**
+* 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
+*/
+
+import CONNECTION_TYPE from '/common/connection_types.mjs';
+import make_once from '/common/once.mjs';
+import browser from '/common/browser.mjs';
+
+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);
+}
+
+export default function main() {
+    document.addEventListener("DOMContentLoaded", document_loaded);
+    port = browser.runtime.connect({name : CONNECTION_TYPE.PAGE_ACTIONS});
+    port.onMessage.addListener(handle_message);
+    port.postMessage({url: document.URL});
+}