Function getFrameIdsForTab

background_scripts/main.js:506–511

(tabId)

// or iFrames which contain chrome-extension:// URLs, even if those pages are listed in Vimium's
// web_accessible_resources in manifest.json.
async function getFrameIdsForTab(tabId) {
  // getAllFrames unfortunately excludes frames and iframes from chrome-extension:// URLs.
  // In Firefox, by contrast, pages with moz-extension:// URLs are included.
  const frames = await chrome.webNavigation.getAllFrames({ tabId: tabId });
  return frames.map((f) => f.frameId);
}

const HintCoordinator = {
  // Forward the message in "request" to all frames the in sender's tab.