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LLeMbas-Desktop/ui/js/main.js
T
HomerandClaude Opus 5.5 151fc5fcca
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Settings: language and theme, kept in the app
Appearance in Settings chooses the language (the system's, or one of the nine the app has;
the window opens again in it, its replies and shells let go first) and the theme (the
account's, or Moria or Shire, drawn at once and the window painted in it). Kept in
localStorage on this computer: /api/v2 has no PATCH /me for either yet, so the account's
own stay as they are. i18n.js reads the choice and carries each language's own name from
the server's catalogue. Tests E5.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-10 13:14:36 +00:00

398 lines
14 KiB
JavaScript

// The app's page: which view (the setup card, or the app), and the app itself -- the sidebar (New
// chat, search, Scheduled, Files, the chats, Settings), and in the main area one of: a chat (a new
// one is the same page, empty), the files, the scheduled tasks, or the settings; the activity
// panel and the viewer beside it. Everything it knows comes from Rust: `status` (the app, the
// agent, the server) and `api` (the server's /api/v2, as the signed-in account).
import { $, h, icon, ICONS } from "./dom.js"
import { invoke, listen, get, why } from "./bridge.js"
import { renderBar, initBar } from "./titlebar.js"
import { renderSetup, initSetup } from "./setup.js"
import { renderSettings, initSettings, scrollToSection } from "./settings.js"
import { initViewer, onViewer, closeViewer } from "./viewer.js"
import { initExplorer, showLocal, showFilesTab } from "./explorer.js"
import { initList, refreshList, markCurrent } from "./list.js"
import { initChat, openChat, newChat, closeChat, openChatId, chatMenu, statusChanged, draftKind, onThisComputer, modelsChanged, intoComposer } from "./chat.js"
import { initTerminal, showTerminal, terminalOpen, terminalAvailable, toggleTerminal } from "./terminal.js"
import { applyTheme, noteAccountTheme } from "./look.js"
import { initAttach, allowAttach } from "./attach.js"
import { initPalette, openPalette } from "./palette.js"
import { initActivity, showPanel, togglePanel, panelOpen } from "./activity.js"
import { initAgent, link } from "./agent.js"
import { initScheduled, showScheduled, scheduledCommands } from "./scheduled.js"
import { initArchived, showArchived } from "./archived.js"
import { closePopover } from "./popup.js"
import { noteSubagentsCap } from "./models.js"
let status = null
let view = "" // "setup" | "app"
let page = "chat" // "chat" | "files" | "scheduled" | "archived" | "settings"
let me = null
let models = []
let devices = [] // this account's linked devices
let started = false
let currentChat = null
const SIDE_KEY = "lembas.side"
const remembered = (() => {
try {
return JSON.parse(localStorage.getItem("lembas.thisDevices") || "[]")
} catch {
return []
}
})()
/**
* The device ids that are this computer: a linked device whose host is this computer's name (the
* CLI sends it at login). Remembered, so agent chats here are still known as here while the
* agent is off and the device is not linked right now.
*/
function thisDevices() {
let changed = false
for (const d of devices) {
if (status?.host && d.host === status.host && !remembered.includes(d.id)) {
remembered.push(d.id)
changed = true
}
}
if (changed) {
remembered.splice(0, Math.max(0, remembered.length - 8))
try {
localStorage.setItem("lembas.thisDevices", JSON.stringify(remembered))
} catch {}
}
return remembered.slice()
}
// --- Views ------------------------------------------------------------------------------------
function route() {
const ready = status.checked && status.discovery && !status.refused && status.account
const want = ready ? "app" : "setup"
if (want !== view) {
view = want
$("setup").hidden = want !== "setup"
$("shell").hidden = want !== "app"
// The sidebar's button keeps its place in the title bar, unseen while there is no sidebar.
$("side-toggle").style.visibility = want === "app" ? "" : "hidden"
if (want === "app") startApp()
else stopApp()
}
if (view === "setup") renderSetup(status)
if (view === "app") {
if (page === "settings") renderSettings(status)
localPane()
statusChanged()
accountButton()
}
}
async function startApp() {
started = true
try {
me = await get("/me")
noteAccountTheme(me.theme)
} catch (err) {
$("thread-note").textContent = why(err)
$("thread-note").hidden = false
}
await Promise.all([loadModels(), loadDevices()])
$("new-chat-btn").disabled = me?.permissions && me.permissions["chat.create"] === false
allowAttach(me?.permissions?.["files.upload"] !== false)
accountButton()
refreshList()
if (!openChatId()) startNew()
invoke("remote_refresh")
}
function stopApp() {
started = false
closeChat()
closeViewer()
}
let modelsAt = 0 // when /models was last read
/** The account's models, with what a new chat on each is offered. `keep`: a failed read keeps the last list. */
async function loadModels({ keep = false } = {}) {
try {
const r = await get("/models")
models = r.models || []
noteSubagentsCap(r.subagents_cap)
modelsAt = Date.now()
} catch {
if (!keep) models = []
}
}
async function loadDevices() {
try {
devices = (await get("/devices")).devices || []
} catch {
devices = []
}
}
/** The sidebar's foot: Settings, with the account it is signed in as. */
function accountButton() {
const who = status?.account?.name || me?.name || status?.account?.email || ""
const initial = (who.trim()[0] || "?").toUpperCase()
$("settings-btn").replaceChildren(
h("span", { class: "navrow__avatar", "aria-hidden": "true", text: initial }),
h("span", { class: "navrow__two" }, h("span", { class: "navrow__label", text: t("Settings") }), who ? h("span", { class: "navrow__sub", text: who }) : null),
h("span", { class: "navrow__icon" }, icon(ICONS.gear)),
)
}
// --- The pages ----------------------------------------------------------------------------------
/** Show one page in the main area: the chat, the files, the scheduled tasks, the archived chats, or the settings. */
function showPage(name) {
page = name
closePopover()
$("shell").dataset.view = name
$("main").hidden = name !== "chat"
$("page-files").hidden = name !== "files"
$("page-scheduled").hidden = name !== "scheduled"
$("page-archived").hidden = name !== "archived"
$("settings").hidden = name !== "settings"
for (const b of document.querySelectorAll(".navrow[data-view]")) b.setAttribute("aria-current", String(b.dataset.view === name))
if (name !== "chat") {
showPanel(false)
showTerminal(false)
}
if (narrow()) sideOpen(false)
}
/** This computer's tree: the open agent chat's folder when it runs here, else the one chosen. */
function localPane(chat) {
const roots = status?.remote?.enabled ? status.remote.roots : []
const c = chat || currentChat
const here = c?.device && thisDevices().includes(c.device.token_id)
showLocal({ roots, root: here && roots.includes(c.device.directory) ? c.device.directory : "", fixed: false })
}
/** A new chat in the main view, of the kind chosen last (an agent chat, at first). */
function startNew(kind) {
showPage("chat")
currentChat = null
newChat(kind || draftKind())
markCurrent()
localPane()
// What a new chat is offered (its models, Subagents) is the server's word now, not at sign-in:
// an administrator may have switched subagents on or added a model while the app stayed open in
// the tray. Drawn at once from the last list, then again from the fresh one.
if (started && Date.now() - modelsAt > 5000) loadModels({ keep: true }).then(modelsChanged)
}
/** Open a chat, from the list or the palette. */
function showChat(id) {
showPage("chat")
openChat(id).then(markCurrent)
}
function showSettings(on, section) {
if (!on) {
showPage("chat")
return
}
showPage("settings")
renderSettings(status)
invoke("remote_refresh")
if (section) scrollToSection(section)
}
function showArchivedPage() {
showPage("archived")
showArchived()
}
function showFiles(which) {
showPage("files")
if (which) showFilesTab(which)
invoke("remote_refresh")
}
/** The palette's commands: what the menus and buttons do, by name. */
function commands() {
const out = [
{ label: t("New agent chat"), run: () => startNew("agent") },
{ label: t("New chat"), run: () => startNew("chat") },
{ label: t("Scheduled"), run: () => (showPage("scheduled"), showScheduled()) },
...scheduledCommands(),
{ label: t("Files"), run: () => showFiles() },
{ label: t("Archived"), run: showArchivedPage },
{ label: t("Settings"), run: () => showSettings(true) },
]
if (openChatId()) out.push({ label: panelOpen() ? t("Close the activity panel") : t("Open the activity panel"), run: togglePanel })
if (terminalAvailable()) out.push({ label: terminalOpen() ? t("Close terminal") : t("Terminal"), run: toggleTerminal })
if (status?.linked) out.push({ label: status.agent_wanted ? t("Stop the agent") : t("Start the agent"), run: () => invoke("set_agent", { on: !status.agent_wanted }) })
out.push(
{ label: status?.linked ? t("Link again") : t("Link this computer"), run: link },
{ label: status?.update ? t("Install LLeMbas %(version)s…", { version: status.update }) : t("Check for updates…"), run: () => invoke("update_app") },
)
return out
}
function narrow() {
return window.matchMedia("(max-width: 48rem)").matches
}
/** The sidebar: shown or folded away (remembered); a drawer over the page on a narrow window. */
function sideOpen(on) {
$("shell").dataset.side = String(on)
$("side-toggle").setAttribute("aria-expanded", String(on))
if (!narrow()) {
try {
localStorage.setItem(SIDE_KEY, on ? "open" : "closed")
} catch {}
}
}
// --- Start --------------------------------------------------------------------------------------
async function boot() {
initAgent()
initBar({ status: () => status, openSettings: (section) => showSettings(true, section) })
initViewer()
initExplorer()
initSetup(() => status)
initSettings(() => status)
initList({
thisDevices,
current: () => openChatId(),
open: (id) => {
if (narrow()) sideOpen(false)
showChat(id)
},
menu: (anchor, c) => chatMenu(anchor, c),
})
initChat({
status: () => status,
thisDevices,
devices: () => devices,
models: () => models,
me: () => me,
changed: () => refreshList(),
opened: (chat) => {
currentChat = chat
localPane(chat)
markCurrent()
},
// Archived or deleted: the list without it, and a new chat where it was open.
gone: (chat) => {
if (!openChatId() || openChatId() === chat.id) {
currentChat = null
newChat()
localPane()
}
refreshList()
},
})
initAttach({ chat: () => openChatId() || "", allowed: () => me?.permissions?.["files.upload"] !== false })
initArchived({
me: () => me,
open: (id) => showChat(id),
// Back in the sidebar: the list again.
changed: () => refreshList(),
})
initPalette({ commands, open: (c) => showChat(c.id) })
initScheduled({ status: () => status, models: () => models, me: () => me, openChat: (id) => showChat(id), show: () => showPage("scheduled") })
onViewer((on) => {
$("shell").dataset.viewer = String(on)
})
// One panel column: the activity panel and the terminal take turns in it (the shell stays open).
initTerminal({
onLayout: (on) => {
$("shell").dataset.terminal = String(on)
if (on && panelOpen()) showPanel(false)
},
composer: intoComposer,
})
initActivity({
onLayout: (on) => {
$("shell").dataset.activity = String(on)
if (on && terminalOpen()) showTerminal(false)
},
here: onThisComputer,
// The conversation as it now stands: the summary's divider, read again, if it is still open.
compacted: (id) => openChatId() === id && openChat(id),
})
$("new-chat-btn").prepend(icon(ICONS.plus))
$("new-chat-btn").addEventListener("click", () => {
if (narrow()) sideOpen(false)
startNew()
})
$("nav-scheduled").querySelector(".navrow__icon").replaceChildren(icon(ICONS.clock))
$("nav-scheduled").addEventListener("click", () => {
showPage("scheduled")
showScheduled()
})
$("nav-files").querySelector(".navrow__icon").replaceChildren(icon(ICONS.folder))
$("nav-files").addEventListener("click", () => showFiles())
$("nav-archived").querySelector(".navrow__icon").replaceChildren(icon(ICONS.archive))
$("nav-archived").addEventListener("click", showArchivedPage)
$("archived-refresh").replaceChildren(icon(ICONS.refresh))
$("archived-refresh").addEventListener("click", () => showArchived())
accountButton()
$("settings-btn").addEventListener("click", () => showSettings(page !== "settings"))
$("settings-close").replaceChildren(icon(ICONS.close))
$("settings-close").addEventListener("click", () => showSettings(false))
$("side-toggle").addEventListener("click", () => sideOpen($("shell").dataset.side !== "true"))
$("scrim").addEventListener("click", () => sideOpen(false))
// A wide window starts with the sidebar as it was left; a narrow one with it closed.
let saved = "open"
try {
saved = localStorage.getItem(SIDE_KEY) || "open"
} catch {}
sideOpen(!narrow() && saved !== "closed")
window.matchMedia("(max-width: 48rem)").addEventListener("change", (e) => {
if (e.matches) sideOpen(false)
})
document.addEventListener("keydown", (e) => {
if (e.key === "Escape" && narrow() && $("shell").dataset.side === "true") sideOpen(false)
if (view !== "app" || document.querySelector("dialog[open]")) return
const mod = e.ctrlKey || e.metaKey
const key = e.key.toLowerCase()
// Ctrl+K: the palette. Ctrl+N: a new chat. Ctrl+,: the settings. Ctrl+B: the sidebar.
if (mod && !e.shiftKey && !e.altKey && key === "k") {
e.preventDefault()
openPalette()
} else if (mod && !e.shiftKey && !e.altKey && key === "n") {
e.preventDefault()
startNew()
} else if (mod && e.key === ",") {
e.preventDefault()
showSettings(true)
} else if (mod && !e.shiftKey && !e.altKey && key === "b") {
e.preventDefault()
sideOpen($("shell").dataset.side !== "true")
}
})
invoke("set_words", { words: { reply: t("The reply is ready."), agent: t("The agent has finished."), scheduled: t("A scheduled task has a result."), scheduled_failed: t("A scheduled task failed."), scheduled_pause: t("A scheduled task failed 3 times in a row. Pause it?") } })
listen("status", (e) => {
const before = status
status = e.payload
renderBar(status)
route()
// The agent came up or went: which devices are linked changes with it.
if (started && before && before.agent.state !== status.agent.state) loadDevices().then(() => (refreshList(), statusChanged()))
})
listen("open-settings", () => {
if (view === "app") showSettings(true)
})
status = await invoke("get_status")
applyTheme(status.theme)
renderBar(status)
route()
// The list keeps up with replies finished elsewhere (the web interface, the phone).
setInterval(() => {
if (view === "app" && document.visibilityState === "visible") refreshList()
}, 30000)
}
boot()