Function showUpgradeMessageIfNecessary

background_scripts/main.js:811–849

(onInstalledDetails)

// Show notification on upgrade.
async function showUpgradeMessageIfNecessary(onInstalledDetails) {
  const currentVersion = Utils.getCurrentVersion();
  // We do not show an upgrade message for patch/silent releases. Such releases have the same
  // major and minor version numbers.
  if (
    !majorVersionHasIncreased(onInstalledDetails.previousVersion) ||
    Settings.get("hideUpdateNotifications")
  ) {
    return;
  }

  // NOTE(philc): These notifications use the system notification UI. So, if you don't have
  // notifications enabled from your browser (e.g. in Notification Settings in OSX), then
  // chrome.notification.create will succeed, but you won't see it.
  const notificationId = "VimiumUpgradeNotification";
  await chrome.notifications.create(
    notificationId,
    {
      type: "basic",
      iconUrl: chrome.runtime.getURL("icons/icon128.png"),
      title: "Vimium Upgrade",
      message:
        `Vimium has been upgraded to version ${currentVersion}. Click here for more information.`,
      isClickable: true,
    },
  );
  if (!chrome.runtime.lastError) {
    chrome.notifications.onClicked.addListener(async function (id) {
      if (id != notificationId) return;
      const tabs = await chrome.tabs.query({ active: true, currentWindow: true });
      const tab = tabs[0];
      TabOperations.openUrlInNewTab({
        tab,
        tabId: tab.id,
        url: "https://github.com/philc/vimium/blob/master/CHANGELOG.md",
      });
    });
  }
}

async function injectContentScriptsAndCSSIntoExistingTabs() {
  const manifest = chrome.runtime.getManifest();