feat: add advanced context actions and optional translation

2026-10-05 15:38:16 -06:00
parent 33c4dad00f
commit 5308932bf1
34 changed files with 1579 additions and 159 deletions
@@ -0,0 +1,61 @@
+// Pending source content exists only during the initial handshake. The dialog
+// owns a structured clone after receipt, independent of the event page's life.
+export async function showActionDialog(browser, payload) {
+  const id = crypto.randomUUID();
+  const url = browser.runtime.getURL('dialog/action.html') + '?request=' + id;
+  let tabId;
+  let port;
+  let finished = false;
+  let resolveOpened;
+  const opened = new Promise(resolve => { resolveOpened = resolve; });
+  let timer;
+  let resolveDone, rejectDone;
+  const done = new Promise((resolve, reject) => { resolveDone = resolve; rejectDone = reject; });
+  // Attach rejection handling immediately, including when window creation stalls.
+  void done.catch(() => {});
+  function finish(error) {
+    if (finished) return;
+    finished = true;
+    clearTimeout(timer);
+    payload = null;
+    browser.runtime.onConnect.removeListener(onConnect);
+    browser.tabs.onRemoved.removeListener(onRemoved);
+    if (port) {
+      port.onMessage.removeListener(onMessage);
+      port.onDisconnect.removeListener(onDisconnect);
+      port.disconnect();
+    }
+    if (error) rejectDone(error); else resolveDone();
+  }
+  function onMessage(message) {
+    if (message?.type === 'received') finish();
+  }
+  function onDisconnect() { finish(); }
+  function onRemoved(removedId) { if (removedId === tabId) finish(); }
+  async function onConnect(candidate) {
+    if (candidate.name !== 'action-dialog:' + id) return;
+    await opened;
+    if (finished || port || candidate.sender?.id !== browser.runtime.id ||
+        candidate.sender?.url !== url || candidate.sender?.tab?.id !== tabId) return;
+    port = candidate;
+    port.onMessage.addListener(onMessage);
+    port.onDisconnect.addListener(onDisconnect);
+    try { port.postMessage({ type: 'initialize', payload }); }
+    catch { finish(new Error('Could not initialize action dialog')); }
+  }
+  browser.runtime.onConnect.addListener(onConnect);
+  browser.tabs.onRemoved.addListener(onRemoved);
+  timer = setTimeout(() => finish(new Error('Action dialog initialization timed out')), 15000);
+  try {
+    try {
+      const win = await browser.windows.create({ url, type: 'popup', width: 480, height: 360 });
+      tabId = win.tabs?.[0]?.id;
+      if (typeof tabId !== 'number') throw new Error('Missing dialog tab');
+    } catch {
+      const tab = await browser.tabs.create({ url });
+      tabId = tab.id;
+    }
+  } catch (error) { finish(error); }
+  finally { resolveOpened(); }
+  return done;
+}