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Moku/src/App.svelte
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Svelte

<script lang="ts">
import { onMount } from "svelte";
import { invoke } from "@tauri-apps/api/core";
import { listen } from "@tauri-apps/api/event";
import { getVersion } from "@tauri-apps/api/app";
import { getCurrentWindow } from "@tauri-apps/api/window";
import { gql } from "./lib/client";
import logoUrl from "./assets/moku-icon-splash.svg";
import { probeServer, loginBasic, authSession, logout } from "./lib/auth";
import { GET_DOWNLOAD_STATUS } from "./lib/queries";
import { store, addToast, setActiveDownloads, setSettingsOpen } from "./store/state.svelte";
import { initRpc, setIdle, clearReading, destroyRpc } from "./lib/discord";
import type { DownloadStatus, DownloadQueueItem } from "./lib/types";
import Layout from "./components/layout/Layout.svelte";
import Reader from "./components/reader/Reader.svelte";
import Settings from "./components/settings/Settings.svelte";
import ThemeEditor from "./components/settings/ThemeEditor.svelte";
import TitleBar from "./components/layout/TitleBar.svelte";
import Toaster from "./components/layout/Toaster.svelte";
import SplashScreen from "./components/layout/SplashScreen.svelte";
import MangaPreview from "./components/shared/MangaPreview.svelte";
let themeStyleEl: HTMLStyleElement | null = null;
$effect(() => {
const themeId = store.settings.theme ?? "dark";
const isCustom = themeId.startsWith("custom:");
if (!isCustom) {
themeStyleEl?.remove();
themeStyleEl = null;
document.documentElement.setAttribute("data-theme", themeId);
return;
}
const custom = store.settings.customThemes?.find(t => t.id === themeId);
if (!custom) {
themeStyleEl?.remove();
themeStyleEl = null;
document.documentElement.setAttribute("data-theme", "dark");
return;
}
const vars = Object.entries(custom.tokens)
.map(([k, v]) => ` --${k}: ${v};`)
.join("\n");
const css = `[data-theme="custom"] {\n${vars}\n}`;
if (!themeStyleEl) {
themeStyleEl = document.createElement("style");
themeStyleEl.id = "moku-custom-theme";
document.head.appendChild(themeStyleEl);
}
themeStyleEl.textContent = css;
document.documentElement.setAttribute("data-theme", "custom");
});
let themeEditorOpen = $state(false);
let themeEditorEditId = $state<string | null>(null);
function openThemeEditor(id?: string | null) {
themeEditorEditId = id ?? null;
themeEditorOpen = true;
}
function closeThemeEditor() {
themeEditorOpen = false;
themeEditorEditId = null;
}
const MAX_ATTEMPTS = 10;
const win = getCurrentWindow();
let serverProbeOk = $state(false);
let appReady = $state(false);
let failed = $state(false);
let notConfigured = $state(false);
let idle = $state(false);
let devSplash = $state(false);
let loginRequired = $state(false);
let loginUser = $state(store.settings.serverAuthUser ?? "");
let loginPass = $state("");
let loginError = $state<string | null>(null);
let loginBusy = $state(false);
let unsupportedMode = $state(false);
let platformScale = $state(1.0);
let _appliedZoom = -1;
let _vhRafId: number | null = null;
function applyZoom() {
const uiZoom = store.settings.uiZoom ?? 1.0;
if (uiZoom === _appliedZoom) return;
_appliedZoom = uiZoom;
const pct = uiZoom * 100;
document.documentElement.style.setProperty("--ui-zoom", String(uiZoom));
document.documentElement.style.setProperty("--ui-scale", String(uiZoom));
document.documentElement.style.zoom = `${pct}%`;
if (_vhRafId !== null) cancelAnimationFrame(_vhRafId);
_vhRafId = requestAnimationFrame(() => {
_vhRafId = null;
document.documentElement.style.setProperty("--visual-vh", `${window.innerHeight / uiZoom}px`);
});
}
let prevQueue: DownloadQueueItem[] = [];
let idleTimer: ReturnType<typeof setTimeout> | null = null;
let pollInterval: ReturnType<typeof setInterval>;
let unlistenDownload: (() => void) | undefined;
function detectCompletions(prev: DownloadQueueItem[], next: DownloadQueueItem[]) {
for (const item of prev) {
if (item.state !== "DOWNLOADING") continue;
if (!next.some(q => q.chapter.id === item.chapter.id)) {
const manga = item.chapter.manga;
addToast({ kind: "success", title: "Chapter downloaded",
body: manga ? `${manga.title}${item.chapter.name}` : item.chapter.name,
duration: 4000 });
}
}
}
function applyQueue(next: DownloadQueueItem[]) {
detectCompletions(prevQueue, next);
prevQueue = next;
setActiveDownloads(next.map(item => ({
chapterId: item.chapter.id, mangaId: item.chapter.mangaId, progress: item.progress,
})));
}
function resetIdle() {
if (idleTimer) clearTimeout(idleTimer);
if (idle) return;
const ms = (store.settings.idleTimeoutMin ?? 5) * 60 * 1000;
if (ms === 0) return;
idleTimer = setTimeout(() => idle = true, ms);
}
const idleEvents = ["mousemove", "mousedown", "keydown", "touchstart", "wheel"] as const;
$effect(() => {
if (!appReady) return;
idleEvents.forEach(e => window.addEventListener(e, resetIdle, { passive: true }));
resetIdle();
return () => idleEvents.forEach(e => window.removeEventListener(e, resetIdle));
});
$effect(() => {
void store.settings.uiZoom;
applyZoom();
});
$effect(() => {
if (!appReady) return;
const poll = () => gql<{ downloadStatus: DownloadStatus }>(GET_DOWNLOAD_STATUS)
.then(d => applyQueue(d.downloadStatus.queue)).catch(console.error);
poll();
pollInterval = setInterval(poll, 2000);
return () => clearInterval(pollInterval);
});
async function checkForUpdateSilently() {
try {
const [currentVersion, releases] = await Promise.all([
getVersion(),
invoke<Array<{ tag_name: string; html_url: string }>>("list_releases"),
]);
const valid = releases.filter(r => typeof r.tag_name === "string" && r.tag_name.trim());
if (!valid.length) return;
const parse = (tag: string): number[] =>
tag.replace(/^v/, "").split(".").map(Number);
const compare = (a: number[], b: number[]): number => {
for (let i = 0; i < 3; i++) {
if ((a[i] ?? 0) !== (b[i] ?? 0)) return (b[i] ?? 0) - (a[i] ?? 0);
}
return 0;
};
const latestTag = valid
.map(r => r.tag_name)
.sort((a, b) => compare(parse(a), parse(b)))[0]
.replace(/^v/, "");
const isNewer = compare(parse(latestTag), parse(currentVersion)) < 0;
if (isNewer) {
addToast({
kind: "info",
title: `Update available — v${latestTag}`,
body: "Open Settings → About to install.",
duration: 8000,
});
}
} catch {}
}
let cancelProbe = false;
function startProbe() {
cancelProbe = false;
failed = false;
loginRequired = false;
let tries = 0;
async function probe() {
if (cancelProbe) return;
tries++;
const result = await probeServer();
if (cancelProbe) return;
if (result === "ok") {
serverProbeOk = true;
loginRequired = false;
return;
}
if (result === "auth_required") {
serverProbeOk = true;
loginRequired = true;
return;
}
if (result === "unsupported_mode") {
serverProbeOk = true;
unsupportedMode = true;
return;
}
if (tries >= MAX_ATTEMPTS) { failed = true; return; }
setTimeout(probe, 750);
}
setTimeout(probe, 800);
}
onMount(async () => {
document.addEventListener("contextmenu", e => e.preventDefault());
(window as any).__mokuShowSplash = () => devSplash = true;
platformScale = await invoke<number>("get_platform_ui_scale").catch(() => 1.0);
applyZoom();
store.isFullscreen = await win.isFullscreen();
const unlistenResize = await win.onResized(async () => {
store.isFullscreen = await win.isFullscreen();
});
const unlistenScale = await win.onScaleChanged(async (event) => {
platformScale = event.payload.scaleFactor;
applyZoom();
});
if (store.settings.autoStartServer) {
invoke<void>("spawn_server", { binary: store.settings.serverBinary }).catch((err: any) => {
if (err?.kind === "NotConfigured") {
notConfigured = true;
} else {
console.warn("Could not start server:", err);
}
});
}
startProbe();
type P = { chapterId: number; mangaId: number; progress: number }[];
unlistenDownload = await listen<P>("download-progress", e => { setActiveDownloads(e.payload); });
return () => {
cancelProbe = true;
unlistenResize();
unlistenScale();
destroyRpc();
if (store.settings.autoStartServer) invoke("kill_server").catch(() => {});
if (idleTimer) clearTimeout(idleTimer);
if (pollInterval) clearInterval(pollInterval);
unlistenDownload?.();
delete (window as any).__mokuShowSplash;
};
});
$effect(() => {
if (!appReady) return;
const timer = setTimeout(checkForUpdateSilently, 5_000);
return () => clearTimeout(timer);
});
$effect(() => {
if (store.settings.discordRpc) {
initRpc();
} else {
clearReading();
destroyRpc();
}
});
$effect(() => {
if (!store.activeChapter) {
if (store.settings.discordRpc) setIdle();
}
});
function handleZoomKey(e: KeyboardEvent) {
if (!e.ctrlKey) return;
if (e.key === "=" || e.key === "+") {
e.preventDefault();
store.settings.uiZoom = Math.min(2.0, Math.round(((store.settings.uiZoom ?? 1.0) + 0.1) * 10) / 10);
} else if (e.key === "-") {
e.preventDefault();
store.settings.uiZoom = Math.max(0.5, Math.round(((store.settings.uiZoom ?? 1.0) - 0.1) * 10) / 10);
} else if (e.key === "0") {
e.preventDefault();
store.settings.uiZoom = 1.0;
}
}
$effect(() => {
window.addEventListener("keydown", handleZoomKey);
return () => window.removeEventListener("keydown", handleZoomKey);
});
async function handleLogin() {
if (!loginUser.trim() || !loginPass.trim()) {
loginError = "Username and password are required";
return;
}
loginBusy = true;
loginError = null;
try {
await loginBasic(loginUser.trim(), loginPass.trim());
loginRequired = false;
loginPass = "";
loginError = null;
appReady = true;
} catch (e: any) {
loginError = e?.message ?? "Login failed";
} finally {
loginBusy = false;
}
}
function handleRetry() {
failed = false;
notConfigured = false;
serverProbeOk = false;
loginRequired = false;
unsupportedMode = false;
startProbe();
}
function handleBypass() {
cancelProbe = true;
serverProbeOk = true;
loginRequired = false;
unsupportedMode = false;
appReady = true;
}
</script>
{#if devSplash}
<SplashScreen mode="idle" showFps showCards={store.settings.splashCards ?? true}
onDismiss={() => setTimeout(() => devSplash = false, 340)} />
{:else if !appReady && !loginRequired && !unsupportedMode}
<SplashScreen mode="loading" ringFull={serverProbeOk} {failed} {notConfigured}
showCards={store.settings.splashCards ?? true}
onReady={() => { appReady = true; }}
onRetry={handleRetry}
onBypass={handleBypass} />
{:else if unsupportedMode}
<SplashScreen mode="loading" ringFull={true} showCards={store.settings.splashCards ?? true} />
<div class="auth-overlay">
<div class="auth-card">
<img src={logoUrl} alt="Moku" class="auth-logo" />
<p class="auth-title">moku</p>
<span class="auth-mode-badge auth-mode-badge--warn">{
store.settings.serverAuthMode === "SIMPLE_LOGIN" ? "Simple Login" :
store.settings.serverAuthMode === "UI_LOGIN" ? "UI Login" : "Unsupported Auth"
}</span>
<p class="auth-host">{store.settings.serverUrl || "localhost:4567"}</p>
<p class="auth-body">
<strong>{
store.settings.serverAuthMode === "SIMPLE_LOGIN" ? "Simple Login" :
store.settings.serverAuthMode === "UI_LOGIN" ? "UI Login" : "This auth mode"
}</strong> is not supported. Switch your server to <strong>Basic Auth</strong> and update Settings → Security.
</p>
<button class="auth-btn auth-btn--ghost" onclick={handleBypass}>Continue anyway</button>
</div>
</div>
{:else if loginRequired}
<SplashScreen mode="loading" ringFull={true} showCards={store.settings.splashCards ?? true} />
<div class="auth-overlay">
<div class="auth-card">
<img src={logoUrl} alt="Moku" class="auth-logo" />
<p class="auth-title">moku</p>
<span class="auth-mode-badge">Basic Auth</span>
<p class="auth-host">{store.settings.serverUrl || "localhost:4567"}</p>
{#if loginError}
<p class="auth-error">{loginError}</p>
{/if}
<div class="auth-fields">
<input class="auth-input" type="text" placeholder="Username"
bind:value={loginUser} disabled={loginBusy} autocomplete="username"
onkeydown={(e) => e.key === "Enter" && handleLogin()} />
<input class="auth-input" type="password" placeholder="Password"
bind:value={loginPass} disabled={loginBusy} autocomplete="current-password"
onkeydown={(e) => e.key === "Enter" && handleLogin()} />
</div>
<button class="auth-btn" onclick={handleLogin}
disabled={loginBusy || !loginUser.trim() || !loginPass.trim()}>
{loginBusy ? "Signing in…" : "Sign in"}
</button>
<button class="auth-btn auth-btn--ghost" onclick={handleBypass}>Skip</button>
</div>
</div>
{:else}
<div id="app-shell" class="root">
{#if idle && !store.activeChapter}
<SplashScreen mode="idle" showCards={store.settings.splashCards ?? true}
onDismiss={() => { idle = false; resetIdle(); }} />
{/if}
{#if !store.activeChapter}<TitleBar />{/if}
<div class="content">
{#if store.activeChapter}<Reader />{:else}<Layout />{/if}
</div>
{#if store.settingsOpen}<Settings onOpenThemeEditor={openThemeEditor} />{/if}
{#if themeEditorOpen}
<ThemeEditor
bind:editingId={themeEditorEditId}
onClose={closeThemeEditor}
/>
{/if}
<MangaPreview />
<Toaster />
</div>
{/if}
<style>
.root { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.content { flex: 1; overflow: hidden; }
/* Auth overlay — floats above the SplashScreen */
.auth-overlay { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.auth-card { pointer-events: auto; width: min(280px, calc(100vw - 48px)); background: var(--bg-surface); border: 1px solid var(--border-base); border-radius: var(--radius-xl); padding: var(--sp-6) var(--sp-5); display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); box-shadow: 0 32px 80px rgba(0,0,0,0.75); animation: authIn 0.28s cubic-bezier(0.16,1,0.3,1) both; text-align: center; }
@keyframes authIn { from { opacity: 0; transform: translateY(10px) scale(0.97); } to { opacity: 1; transform: none; } }
.auth-logo { width: 56px; height: 56px; border-radius: 14px; display: block; }
.auth-title { font-family: var(--font-ui); font-size: 11px; font-weight: 500; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-secondary); margin: -6px 0 0; user-select: none; }
.auth-mode-badge { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--accent-fg); background: var(--accent-muted); border: 1px solid var(--accent-dim); border-radius: var(--radius-full); padding: 2px 10px; }
.auth-mode-badge--warn { color: var(--color-error); background: var(--color-error-bg); border-color: var(--color-error); }
.auth-host { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-faint); letter-spacing: var(--tracking-wide); margin: -4px 0 0; }
.auth-body { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-muted); letter-spacing: var(--tracking-wide); line-height: var(--leading-snug); margin: 0; }
.auth-body strong { color: var(--text-secondary); font-weight: var(--weight-medium); }
.auth-error { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-error); background: var(--color-error-bg); border: 1px solid var(--color-error); border-radius: var(--radius-sm); padding: var(--sp-2) var(--sp-3); margin: 0; width: 100%; box-sizing: border-box; }
.auth-fields { display: flex; flex-direction: column; gap: var(--sp-2); width: 100%; }
.auth-input { width: 100%; background: var(--bg-raised); border: 1px solid var(--border-strong); border-radius: var(--radius-md); padding: 8px 12px; font-size: var(--text-sm); color: var(--text-primary); outline: none; box-sizing: border-box; transition: border-color var(--t-base), box-shadow var(--t-base); font-family: inherit; }
.auth-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent); }
.auth-input:disabled { opacity: 0.5; }
.auth-btn { width: 100%; padding: 9px; border-radius: var(--radius-md); background: var(--accent); border: 1px solid var(--accent); color: var(--accent-fg); font-size: var(--text-sm); font-family: var(--font-ui); letter-spacing: var(--tracking-wide); cursor: pointer; transition: opacity var(--t-base); }
.auth-btn:hover:not(:disabled) { opacity: 0.85; }
.auth-btn:disabled { opacity: 0.35; cursor: default; }
.auth-btn--ghost { background: none; border-color: transparent; color: var(--text-faint); font-size: var(--text-xs); padding: 4px; }
.auth-btn--ghost:hover:not(:disabled) { color: var(--text-muted); opacity: 1; }
</style>