theseus/preload.js

const { contextBridge, ipcRenderer } = require("electron");
contextBridge.exposeInMainWorld("theseus", {
  navigate: (input) => ipcRenderer.invoke("navigate", input),
  search: (q) => ipcRenderer.invoke("search", q),
  newTab: () => ipcRenderer.invoke("new-tab"),
  closeTab: (id) => ipcRenderer.invoke("close-tab", id),
  switchTab: (id) => ipcRenderer.invoke("switch-tab", id),
  moveTab: (id, targetId, place) => ipcRenderer.invoke("move-tab", id, targetId, place),
  suggestAddress: (query, rect) => ipcRenderer.invoke("suggest-address", query, rect),
  closeAddressPicker: () => ipcRenderer.invoke("close-address-picker"),
  addressCursor: (dir) => ipcRenderer.invoke("address-cursor", dir),
  togglePwFill: (rect) => ipcRenderer.invoke("toggle-pw-fill", rect),
  onPwAvailability: (cb) => ipcRenderer.on("pw-availability", (_e, d) => cb(d)),
  // Update chip: chrome subscribes to update-available; clicking the chip's
  // download button opens the URL in the system browser; ✕ dismisses for
  // the current session.
  onUpdateAvailable: (cb) => ipcRenderer.on("update-available", (_e, d) => cb(d)),
  // Signed extension updates staged by the background check: { staged:
  // [{id,name,version}] }. They apply on the next launch, so the chrome
  // offers a restart. stagedAddons() asks once at boot.
  onAddonUpdates: (cb) => ipcRenderer.on("addon-updates", (_e, d) => cb(d)),
  stagedAddons: () => ipcRenderer.invoke("addons-list-staged"),
  applyStagedAddons: () => ipcRenderer.invoke("addons-apply-staged"),
  restartApp: () => ipcRenderer.invoke("app-restart"),
  openUpdateDownload: (url) => ipcRenderer.invoke("open-update-download", url),
  installUpdateNow:   () => ipcRenderer.invoke("install-update-now"),
  dismissUpdate: () => ipcRenderer.invoke("dismiss-update"),
  goHome: () => ipcRenderer.invoke("go-home"),
  back: () => ipcRenderer.invoke("go-back"),
  forward: () => ipcRenderer.invoke("go-forward"),
  // Press-and-hold / right-click on Back or Forward: native menu of the
  // tab's history entries in that direction; picking one jumps to it.
  navHistoryMenu: (dir, rect) => ipcRenderer.invoke("nav-history-menu", dir, rect),
  reload: (hard) => ipcRenderer.invoke("reload", !!hard),
  stop: () => ipcRenderer.invoke("stop"),
  toggleTor: () => ipcRenderer.invoke("toggle-tor"),
  openSettings: (section) => ipcRenderer.invoke("open-settings", section),
  getSettings: () => ipcRenderer.invoke("settings-get"),
  setSetting: (key, val) => ipcRenderer.invoke("settings-set", key, val),
  onSettingsUpdate: (cb) => ipcRenderer.on("settings-update", (_e, d) => cb(d)),
  systemLocale: () => ipcRenderer.invoke("system-locale"),
  websiteLanguageMenu: (rect) => ipcRenderer.invoke("website-language-menu-popup", rect),
  // Page translator chip: click translates to the user's language, click
  // again reverts. The chip shows the target code; its "on" state is driven
  // by the translated flag arriving via onPageTranslateState.
  pageTranslate:       (target) => ipcRenderer.invoke("page-translate", target),
  pageTranslateRevert: ()       => ipcRenderer.invoke("page-translate-revert"),
  pageTranslateState:  ()       => ipcRenderer.invoke("page-translate-state"),
  pageTranslateMenu:   (rect)   => ipcRenderer.invoke("page-translate-menu-popup", rect),
  onPageTranslateState: (cb) => ipcRenderer.on("page-translate-state", (_e, d) => cb(d)),
  // Find-in-page. main.js fires 'find-open' on Ctrl+F; chrome renderer
  // owns the bar UI and drives findInPage / stopFindInPage via these
  // wrappers. Match count / active ordinal comes back through onFindResult.
  onFindOpen: (cb) => ipcRenderer.on("find-open", () => cb()),
  findInPage: (query, opts) => ipcRenderer.invoke("find-in-page", query, opts || {}),
  findStop: () => ipcRenderer.invoke("find-stop"),
  onFindResult: (cb) => ipcRenderer.on("find-result", (_e, d) => cb(d)),
  toggleSiteInfo: (rect) => ipcRenderer.invoke("toggle-site-info", rect),
  switchToBcnr: () => ipcRenderer.invoke("switch-to-bcnr"),
  setChromeHeight: (h) => ipcRenderer.invoke("set-chrome-height", h),
  getSearchEngines: () => ipcRenderer.invoke("search-engines"),
  setSearchEngine: (id) => ipcRenderer.invoke("set-search-engine", id),
  addEngine: (eng) => ipcRenderer.invoke("add-engine", eng),
  removeEngine: (id) => ipcRenderer.invoke("remove-engine", id),
  toggleEnginePicker: (rect) => ipcRenderer.invoke("toggle-engine-picker", rect),
  onEngines: (cb) => ipcRenderer.on("engines", (_e, d) => cb(d)),
  getBookmarks: () => ipcRenderer.invoke("bookmarks-get"),
  addBookmark: (bm) => ipcRenderer.invoke("bookmark-add", bm),
  updateBookmark: (url, patch) => ipcRenderer.invoke("bookmark-update", url, patch),
  removeBookmark: (url) => ipcRenderer.invoke("bookmark-remove", url),
  moveBookmark: (fromUrl, targetUrl, place) => ipcRenderer.invoke("bookmark-move", fromUrl, targetUrl, place),
  onBookmarks: (cb) => ipcRenderer.on("bookmarks", (_e, d) => cb(d)),
  onNav: (cb) => ipcRenderer.on("nav", (_e, d) => cb(d)),
  onTor: (cb) => ipcRenderer.on("tor", (_e, d) => cb(d)),
  onTabs: (cb) => ipcRenderer.on("tabs", (_e, d) => cb(d)),
  tabReload:    (id) => ipcRenderer.invoke("tab-reload", id),
  tabDuplicate: (id) => ipcRenderer.invoke("tab-duplicate", id),
  tabMute:      (id, on) => ipcRenderer.invoke("tab-mute", id, on),
  tabKeepRunning: (id, on) => ipcRenderer.invoke("tab-keep-running", id, on),
  tabGroup:     (id, color) => ipcRenderer.invoke("tab-group", id, color),
  tabGroupToggle: (color) => ipcRenderer.invoke("tab-group-toggle", color),
  tabBookmark:  (id) => ipcRenderer.invoke("tab-bookmark", id),
  onAddressPicked: (cb) => ipcRenderer.on("address-picked", (_e, url) => cb(url)),
  onBcnrOffer: (cb) => ipcRenderer.on("bcnr-offer", (_e, d) => cb(d)),
  // Collision-mode (BCNR ↔ ICANN) live switcher for the active tab
  collisionSwitch: (arg) => ipcRenderer.invoke("collision-switch", arg),
  collisionState: () => ipcRenderer.invoke("collision-state"),
  // Downloads — the toolbar button subscribes to `downloads` to update its
  // badge, and toggleDownloads opens/closes the floating panel.
  getDownloads: () => ipcRenderer.invoke("downloads-get"),
  toggleDownloads: (rect) => ipcRenderer.invoke("toggle-downloads", rect),
  onDownloads: (cb) => ipcRenderer.on("downloads", (_e, d) => cb(d)),
  // Add-on sidebar: toggle, open on a specific panel, close, or subscribe
  // to state (visibility + which panel is active + the panel list). The
  // extension dock in chrome.html renders one button per panel and calls
  // openSidebar / closeSidebar accordingly.
  toggleSidebar: () => ipcRenderer.invoke("sidebar-toggle"),
  openSidebar: (panelId) => ipcRenderer.invoke("sidebar-open", panelId),
  closeSidebar: () => ipcRenderer.invoke("sidebar-close"),
  sidebarState: () => ipcRenderer.invoke("sidebar-state"),
  onSidebarState: (cb) => ipcRenderer.on("sidebar-state", (_e, d) => cb(d)),
  // Extension dock: drag-reorder (key = "p:<panelId>" | "m:<addonId>") and
  // the right-click menu (native; main owns the actions).
  dockMove: (key, targetKey, place) => ipcRenderer.invoke("dock-move", key, targetKey, place),
  dockMenu: (key, rect) => ipcRenderer.invoke("dock-menu", key, rect),
  // Toolbar-menu (dropdown from an add-on's dock icon): dispatch the picked
  // item id to the add-on's "menu-select" handler.
  addonMenuSelect: (addonId, itemId) => ipcRenderer.invoke("addon-menu-select", addonId, itemId),
  // Pop the dock-icon dropdown as a NATIVE menu. Renderer-side DOM popovers
  // get clipped by chrome.html's own WebContentsView height (CHROME_H) and
  // then covered by the tab view below it — a native Menu.popup escapes that
  // layering entirely. Pass the button's viewport-rect so main can anchor.
  toolbarMenuPopup: (addonId, rect) => ipcRenderer.invoke("toolbar-menu-popup", addonId, rect),
  tabContextMenuPopup: (tabId, rect) => ipcRenderer.invoke("tab-context-menu-popup", tabId, rect),
  // Ariadne's Thread menu behind the registry button at the end of the
  // address bar (BCDN/ICANN switch, remembered choices, policy, settings).
  registryMenuPopup: (rect) => ipcRenderer.invoke("registry-menu-popup", rect),
  // Page zoom on the active tab: step +1 / -1 along Chrome's ladder, or reset to 100 %.
  zoomStep: (dir) => ipcRenderer.invoke("zoom-step", dir),
  zoomReset: () => ipcRenderer.invoke("zoom-reset"),
  // Install-as-app chip in the address bar: main decides between the
  // install dialog and the open/remove menu (anchored at rect).
  webappChip: (rect) => ipcRenderer.invoke("webapp-chip", rect),
  // Chrome listens so it can drop the "active" tint when the native menu
  // dismisses (Esc, outside click, item picked — main fires all three).
  onToolbarMenuClosed: (cb) => ipcRenderer.on("toolbar-menu-closed", () => cb()),
});