| 1 | // themePack.ts applies controlled Theme Pack V1/V2 overlays on top of the existing |
| 2 | // auto/light/dark + baseStyle system. Packs cannot execute CSS/JS or load remote |
| 3 | // resources — only semantic tokens, recipe enums, and local background images. |
| 4 | |
| 5 | import { applyTheme, getTheme, getThemeStyle, isThemeStyle, type Theme, type ThemeStyle } from "./theme"; |
| 6 | import { codeReadabilityDecls, deriveCodeReadabilityPalette } from "./codeReadability"; |
| 7 | |
| 8 | export type ThemePackTokens = { |
| 9 | light?: Record<string, string>; |
| 10 | dark?: Record<string, string>; |
| 11 | }; |
| 12 | |
| 13 | export type ThemePackRecipes = { |
| 14 | density?: "compact" | "comfortable" | string; |
| 15 | corners?: "square" | "soft" | "round" | string; |
| 16 | }; |
| 17 | |
| 18 | export type ThemePackBackground = { |
| 19 | image?: string; |
| 20 | focusX: number; |
| 21 | focusY: number; |
| 22 | safeArea?: "left" | "right" | "center" | string; |
| 23 | homeOpacity: number; |
| 24 | taskOpacity: number; |
| 25 | overlayStrength: number; |
| 26 | paneOpacity: number; |
| 27 | }; |
| 28 | |
| 29 | export type ThemePackSceneBackground = { |
| 30 | image?: string; |
| 31 | focusX: number; |
| 32 | focusY: number; |
| 33 | safeArea?: "left" | "right" | "center" | string; |
| 34 | opacity: number; |
| 35 | overlayStrength: number; |
| 36 | paneOpacity: number; |
| 37 | }; |
| 38 | |
| 39 | export type ThemeContrastWarning = { |
| 40 | mode: string; |
| 41 | pair: string; |
| 42 | ratio: number; |
| 43 | minimum: number; |
| 44 | suggest?: string; |
| 45 | }; |
| 46 | |
| 47 | export type ThemePackKind = "base" | "official" | "user" | "plugin"; |
| 48 | |
| 49 | export type ThemePackView = { |
| 50 | id: string; |
| 51 | name: string; |
| 52 | author?: string; |
| 53 | description?: string; |
| 54 | license?: string; |
| 55 | baseStyle: string; |
| 56 | builtin: boolean; |
| 57 | /** New in the official-themes release; old backends/mocks may omit it. */ |
| 58 | kind?: ThemePackKind; |
| 59 | active: boolean; |
| 60 | hasBackground: boolean; |
| 61 | backgroundUrl?: string; |
| 62 | taskBackgroundUrl?: string; |
| 63 | previewUrl?: string; |
| 64 | nameKey?: string; |
| 65 | descriptionKey?: string; |
| 66 | /** Set when kind === "plugin": the contributing plugin's name (read-only badge). */ |
| 67 | pluginName?: string; |
| 68 | /** Non-fatal plugin theme discovery issues (invalid files skipped). */ |
| 69 | warnings?: string[]; |
| 70 | tokens: ThemePackTokens; |
| 71 | recipes: ThemePackRecipes; |
| 72 | background?: ThemePackBackground | null; |
| 73 | taskBackground?: ThemePackSceneBackground | null; |
| 74 | contrastWarnings?: ThemeContrastWarning[]; |
| 75 | }; |
| 76 | |
| 77 | /** |
| 78 | * Resolve the pack group. Older mocks/responses without `kind` fall back to |
| 79 | * the historical builtin flag: builtin ? "base" : "user". |
| 80 | */ |
| 81 | export function themePackKind(pack: Pick<ThemePackView, "kind" | "builtin">): ThemePackKind { |
| 82 | if (pack.kind === "base" || pack.kind === "official" || pack.kind === "user" || pack.kind === "plugin") return pack.kind; |
| 83 | return pack.builtin ? "base" : "user"; |
| 84 | } |
| 85 | |
| 86 | export type ThemeActiveView = { |
| 87 | activeThemeId?: string; |
| 88 | pack?: ThemePackView | null; |
| 89 | }; |
| 90 | |
| 91 | export type ThemeSaveInput = { |
| 92 | id: string; |
| 93 | name: string; |
| 94 | author?: string; |
| 95 | description?: string; |
| 96 | license?: string; |
| 97 | baseStyle: string; |
| 98 | tokens: ThemePackTokens; |
| 99 | recipes: ThemePackRecipes; |
| 100 | background?: ThemePackBackground | null; |
| 101 | taskBackground?: ThemePackSceneBackground | null; |
| 102 | backgroundDataUrl?: string; |
| 103 | taskBackgroundDataUrl?: string; |
| 104 | clearBackground?: boolean; |
| 105 | clearTaskBackground?: boolean; |
| 106 | replace?: boolean; |
| 107 | activate?: boolean; |
| 108 | }; |
| 109 | |
| 110 | export type ThemeImportResult = { |
| 111 | pack: ThemePackView; |
| 112 | replaced: boolean; |
| 113 | needsReplace?: boolean; |
| 114 | pendingId?: string; |
| 115 | }; |
| 116 | |
| 117 | export type ThemeScene = "home" | "task"; |
| 118 | |
| 119 | const PACK_STYLE_ID = "reasonix-theme-pack-overlay"; |
| 120 | const TOKEN_KEYS = [ |
| 121 | "bg", |
| 122 | "bgSoft", |
| 123 | "bgElev", |
| 124 | "panel", |
| 125 | "sidebar", |
| 126 | "chat", |
| 127 | "workspace", |
| 128 | "workspaceFiles", |
| 129 | "border", |
| 130 | "borderSoft", |
| 131 | "fg", |
| 132 | "fgDim", |
| 133 | "fgFaint", |
| 134 | "accent", |
| 135 | "accentFg", |
| 136 | "ok", |
| 137 | "warn", |
| 138 | "err", |
| 139 | ] as const; |
| 140 | |
| 141 | const TOKEN_TO_CSS: Record<string, string[]> = { |
| 142 | bg: ["--bg", "--stage"], |
| 143 | bgSoft: ["--bg-soft", "--surface-3"], |
| 144 | bgElev: ["--bg-elev"], |
| 145 | panel: ["--panel", "--bg-elev", "--surface"], |
| 146 | sidebar: ["--sidebar-bg"], |
| 147 | chat: ["--chat-bg"], |
| 148 | workspace: ["--workspace-preview-bg"], |
| 149 | workspaceFiles: ["--workspace-files-bg"], |
| 150 | border: ["--border"], |
| 151 | borderSoft: ["--border-soft"], |
| 152 | fg: ["--fg", "--text"], |
| 153 | fgDim: ["--fg-dim", "--text-2"], |
| 154 | fgFaint: ["--fg-faint", "--text-3"], |
| 155 | accent: ["--accent", "--accent-strong", "--control-primary-bg"], |
| 156 | accentFg: ["--accent-fg", "--control-primary-fg"], |
| 157 | ok: ["--ok"], |
| 158 | warn: ["--warn"], |
| 159 | err: ["--err"], |
| 160 | }; |
| 161 | |
| 162 | let activePack: ThemePackView | null = null; |
| 163 | let activeScene: ThemeScene = "home"; |
| 164 | /** User config appearance under the pack (restored on clear / restore-default). */ |
| 165 | let baseAppearance: { theme: Theme; style: ThemeStyle } | null = null; |
| 166 | let previewSnapshot: { |
| 167 | pack: ThemePackView | null; |
| 168 | theme: Theme; |
| 169 | style: ThemeStyle; |
| 170 | baseAppearance: { theme: Theme; style: ThemeStyle } | null; |
| 171 | } | null = null; |
| 172 | |
| 173 | // Browser development uses Vite-bundled copies of the same official images |
| 174 | // that the desktop service serves through /__reasonix_theme_asset/. Only |
| 175 | // exact, internally |
| 176 | // registered URLs may cross the background URL safety boundary. |
| 177 | const trustedBundledThemeBackgroundURLs = new Set<string>(); |
| 178 | |
| 179 | export function registerTrustedThemeBackgroundURLs(urls: readonly string[]): void { |
| 180 | if (typeof window === "undefined" || !window.location) return; |
| 181 | for (const raw of urls) { |
| 182 | try { |
| 183 | const parsed = new URL(raw, window.location.href); |
| 184 | if (parsed.origin !== window.location.origin) continue; |
| 185 | const path = decodeURIComponent(parsed.pathname); |
| 186 | const viteDevOfficial = /\/desktop\/themes\/official\/official-[a-z0-9-]+\/background\.webp$/.test(path); |
| 187 | const viteBuiltOfficial = /^\/assets\/background-[a-zA-Z0-9_-]+\.webp$/.test(path); |
| 188 | if (viteDevOfficial || viteBuiltOfficial) trustedBundledThemeBackgroundURLs.add(parsed.href); |
| 189 | } catch { |
| 190 | // Ignore malformed candidates; they remain outside the allow-list. |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | export function getActiveThemePack(): ThemePackView | null { |
| 196 | return activePack; |
| 197 | } |
| 198 | |
| 199 | export function getThemeScene(): ThemeScene { |
| 200 | return activeScene; |
| 201 | } |
| 202 | |
| 203 | export function getBaseAppearance(): { theme: Theme; style: ThemeStyle } | null { |
| 204 | return baseAppearance ? { ...baseAppearance } : null; |
| 205 | } |
| 206 | |
| 207 | export function isThemeTokenKey(key: string): boolean { |
| 208 | return (TOKEN_KEYS as readonly string[]).includes(key); |
| 209 | } |
| 210 | |
| 211 | export function themeTokenKeys(): readonly string[] { |
| 212 | return TOKEN_KEYS; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Remember the user's config appearance before a pack overrides baseStyle. |
| 217 | * Call from settings load when preferences are known, or let applyThemePack |
| 218 | * snapshot automatically on first non-preview apply. |
| 219 | */ |
| 220 | export function setBaseAppearance(theme: Theme, style: ThemeStyle): void { |
| 221 | baseAppearance = { theme, style }; |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Apply a configured appearance without replacing an active pack's live base |
| 226 | * style. The configured values remain the restore target when the pack is |
| 227 | * cleared, while the pack continues to own the effective visual direction. |
| 228 | */ |
| 229 | export function applyConfiguredBaseAppearance(theme: Theme, style: ThemeStyle): void { |
| 230 | setBaseAppearance(theme, style); |
| 231 | applyTheme(theme, style, { persist: false }); |
| 232 | if (activePack) applyThemePack(activePack); |
| 233 | } |
| 234 | |
| 235 | /** Apply or clear the active theme pack overlay. Pass null only clears overlay attrs — prefer clearThemePack(). */ |
| 236 | export function applyThemePack(pack: ThemePackView | null | undefined, options?: { preview?: boolean }): void { |
| 237 | if (typeof document === "undefined") return; |
| 238 | const next = pack ?? null; |
| 239 | if (!options?.preview) { |
| 240 | activePack = next; |
| 241 | } |
| 242 | |
| 243 | const root = document.documentElement; |
| 244 | if (!next) { |
| 245 | root.removeAttribute("data-theme-pack"); |
| 246 | removePackStyleElement(); |
| 247 | clearBackgroundCSSVars(root); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | // Snapshot config appearance once before the first pack overrides baseStyle. |
| 252 | if (!options?.preview && !baseAppearance) { |
| 253 | baseAppearance = { theme: getTheme(), style: getThemeStyle() }; |
| 254 | } |
| 255 | |
| 256 | root.setAttribute("data-theme-pack", next.id); |
| 257 | |
| 258 | // Base style from the pack (inherits remaining tokens from the direction sheets). |
| 259 | const style = isThemeStyle(next.baseStyle) ? next.baseStyle : getThemeStyle(); |
| 260 | applyTheme(getTheme(), style, { persist: false }); |
| 261 | |
| 262 | const css = buildPackOverlayCSS(next); |
| 263 | ensurePackStyleElement().textContent = css; |
| 264 | applyBackgroundCSSVars(root, next); |
| 265 | applyThemeScene(activeScene); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Clear the active pack and restore the user's base appearance (theme mode + style). |
| 270 | * Fixes: enabling Aurora then "restore default" must return data-theme-style to Graphite |
| 271 | * (or whatever was configured), not leave the pack's baseStyle behind. |
| 272 | */ |
| 273 | export function clearThemePack(): void { |
| 274 | previewSnapshot = null; |
| 275 | activePack = null; |
| 276 | if (typeof document !== "undefined") { |
| 277 | const root = document.documentElement; |
| 278 | root.removeAttribute("data-theme-pack"); |
| 279 | removePackStyleElement(); |
| 280 | clearBackgroundCSSVars(root); |
| 281 | } |
| 282 | if (baseAppearance) { |
| 283 | applyTheme(baseAppearance.theme, baseAppearance.style, { persist: false }); |
| 284 | } |
| 285 | // Keep baseAppearance so subsequent applyThemePack can re-snapshot if needed; |
| 286 | // after full clear the restored style IS the base. |
| 287 | } |
| 288 | |
| 289 | /** Scene is home (full background) vs task (dimmed + overlay). Does not touch chat state. */ |
| 290 | export function applyThemeScene(scene: ThemeScene): void { |
| 291 | activeScene = scene === "task" ? "task" : "home"; |
| 292 | if (typeof document === "undefined") return; |
| 293 | const app = document.querySelector(".app") ?? document.documentElement; |
| 294 | app.setAttribute("data-theme-scene", activeScene); |
| 295 | // Also mirror on root for CSS that targets :root. |
| 296 | document.documentElement.setAttribute("data-theme-scene", activeScene); |
| 297 | } |
| 298 | |
| 299 | export function beginThemePreview(pack: ThemePackView): void { |
| 300 | if (!previewSnapshot) { |
| 301 | previewSnapshot = { |
| 302 | pack: activePack, |
| 303 | theme: getTheme(), |
| 304 | style: getThemeStyle(), |
| 305 | baseAppearance: baseAppearance ? { ...baseAppearance } : null, |
| 306 | }; |
| 307 | } |
| 308 | applyThemePack(pack, { preview: true }); |
| 309 | } |
| 310 | |
| 311 | export function cancelThemePreview(): void { |
| 312 | if (!previewSnapshot) return; |
| 313 | const snap = previewSnapshot; |
| 314 | previewSnapshot = null; |
| 315 | baseAppearance = snap.baseAppearance; |
| 316 | applyTheme(snap.theme, snap.style, { persist: false }); |
| 317 | if (snap.pack) { |
| 318 | applyThemePack(snap.pack); |
| 319 | } else { |
| 320 | // No active pack under the preview — strip overlay without changing restored style again. |
| 321 | activePack = null; |
| 322 | if (typeof document !== "undefined") { |
| 323 | const root = document.documentElement; |
| 324 | root.removeAttribute("data-theme-pack"); |
| 325 | removePackStyleElement(); |
| 326 | clearBackgroundCSSVars(root); |
| 327 | } |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | export function commitThemePreview(pack: ThemePackView | null): void { |
| 332 | previewSnapshot = null; |
| 333 | if (pack) { |
| 334 | applyThemePack(pack); |
| 335 | } else { |
| 336 | clearThemePack(); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Clear the preview snapshot without restoring the original theme. |
| 342 | * Use this after persistent activation succeeds and before editor cleanup so |
| 343 | * cancelThemePreview() cannot overwrite the newly applied theme. |
| 344 | */ |
| 345 | export function clearPreviewSnapshotOnly(): void { |
| 346 | previewSnapshot = null; |
| 347 | } |
| 348 | |
| 349 | function ensurePackStyleElement(): HTMLStyleElement { |
| 350 | let el = document.getElementById(PACK_STYLE_ID) as HTMLStyleElement | null; |
| 351 | if (!el) { |
| 352 | el = document.createElement("style"); |
| 353 | el.id = PACK_STYLE_ID; |
| 354 | // Append last so pack root overrides win over the base stylesheets. |
| 355 | // Element-scoped Creation code palettes intentionally remain local. |
| 356 | document.head.appendChild(el); |
| 357 | } else if (el.parentElement === document.head) { |
| 358 | document.head.appendChild(el); |
| 359 | } |
| 360 | return el; |
| 361 | } |
| 362 | |
| 363 | function removePackStyleElement(): void { |
| 364 | const el = document.getElementById(PACK_STYLE_ID); |
| 365 | if (!el) return; |
| 366 | if (typeof el.remove === "function") el.remove(); |
| 367 | else el.parentElement?.removeChild(el); |
| 368 | } |
| 369 | |
| 370 | function buildPackOverlayCSS(pack: ThemePackView): string { |
| 371 | const lightTokens = pack.tokens?.light || {}; |
| 372 | const darkTokens = pack.tokens?.dark || {}; |
| 373 | const light = joinDecls( |
| 374 | tokensToDecls(lightTokens), |
| 375 | codeReadabilityDecls(deriveCodeReadabilityPalette("light", pack.baseStyle, lightTokens)), |
| 376 | ); |
| 377 | const dark = joinDecls( |
| 378 | tokensToDecls(darkTokens), |
| 379 | codeReadabilityDecls(deriveCodeReadabilityPalette("dark", pack.baseStyle, darkTokens)), |
| 380 | ); |
| 381 | const recipes = recipeDecls(pack.recipes); |
| 382 | const chunks: string[] = []; |
| 383 | |
| 384 | // Recipe vars apply in both modes. |
| 385 | if (recipes) { |
| 386 | chunks.push(`:root[data-theme-pack="${cssEscape(pack.id)}"]{${recipes}}`); |
| 387 | } |
| 388 | |
| 389 | // Dark tokens (default / forced dark / auto-dark). |
| 390 | if (dark) { |
| 391 | chunks.push(`:root[data-theme-pack="${cssEscape(pack.id)}"]{${dark}}`); |
| 392 | chunks.push(`:root[data-theme="dark"][data-theme-pack="${cssEscape(pack.id)}"]{${dark}}`); |
| 393 | } |
| 394 | // Light tokens. |
| 395 | if (light) { |
| 396 | chunks.push(`:root[data-theme="light"][data-theme-pack="${cssEscape(pack.id)}"]{${light}}`); |
| 397 | chunks.push(`@media (prefers-color-scheme: light){:root:not([data-theme])[data-theme-pack="${cssEscape(pack.id)}"]{${light}}}`); |
| 398 | } |
| 399 | |
| 400 | // Soft accent derived when accent is set. |
| 401 | const accentDark = pack.tokens?.dark?.accent; |
| 402 | const accentLight = pack.tokens?.light?.accent; |
| 403 | if (accentDark && isSafeHex(accentDark)) { |
| 404 | chunks.push( |
| 405 | `:root[data-theme-pack="${cssEscape(pack.id)}"]{--accent-soft: color-mix(in srgb, ${accentDark} 16%, transparent);}`, |
| 406 | ); |
| 407 | } |
| 408 | if (accentLight && isSafeHex(accentLight)) { |
| 409 | chunks.push( |
| 410 | `:root[data-theme="light"][data-theme-pack="${cssEscape(pack.id)}"]{--accent-soft: color-mix(in srgb, ${accentLight} 12%, transparent);}`, |
| 411 | ); |
| 412 | } |
| 413 | |
| 414 | return chunks.join("\n"); |
| 415 | } |
| 416 | |
| 417 | function joinDecls(...groups: string[]): string { |
| 418 | return groups.filter(Boolean).join(";"); |
| 419 | } |
| 420 | |
| 421 | function tokensToDecls(tokens?: Record<string, string>): string { |
| 422 | if (!tokens) return ""; |
| 423 | const parts: string[] = []; |
| 424 | for (const [key, value] of Object.entries(tokens)) { |
| 425 | if (!isThemeTokenKey(key) || !isSafeHex(value)) continue; |
| 426 | const cssVars = TOKEN_TO_CSS[key] ?? []; |
| 427 | for (const css of cssVars) { |
| 428 | parts.push(`${css}:${value}`); |
| 429 | } |
| 430 | } |
| 431 | return parts.join(";"); |
| 432 | } |
| 433 | |
| 434 | function recipeDecls(recipes?: ThemePackRecipes): string { |
| 435 | if (!recipes) return ""; |
| 436 | const parts: string[] = []; |
| 437 | const density = recipes.density === "compact" ? "compact" : "comfortable"; |
| 438 | const corners = recipes.corners === "square" || recipes.corners === "round" ? recipes.corners : "soft"; |
| 439 | if (density === "compact") { |
| 440 | parts.push("--theme-density-pad:6px", "--theme-density-gap:6px", "--theme-row-h:28px"); |
| 441 | } else { |
| 442 | parts.push("--theme-density-pad:10px", "--theme-density-gap:10px", "--theme-row-h:34px"); |
| 443 | } |
| 444 | if (corners === "square") { |
| 445 | parts.push("--r-s:0px", "--r:2px", "--r-l:4px", "--radius:2px"); |
| 446 | } else if (corners === "round") { |
| 447 | parts.push("--r-s:8px", "--r:14px", "--r-l:18px", "--radius:14px"); |
| 448 | } else { |
| 449 | parts.push("--r-s:5px", "--r:8px", "--r-l:11px", "--radius:8px"); |
| 450 | } |
| 451 | return parts.join(";"); |
| 452 | } |
| 453 | |
| 454 | function applyBackgroundCSSVars(root: HTMLElement, pack: ThemePackView): void { |
| 455 | const home = pack.background; |
| 456 | const homeUrl = pack.backgroundUrl || ""; |
| 457 | const task = pack.taskBackground; |
| 458 | const taskUrl = pack.taskBackgroundUrl || ""; |
| 459 | const safeHomeUrl = Boolean(home && homeUrl && isSafeBackgroundURL(homeUrl)); |
| 460 | const safeTaskUrl = Boolean(task && taskUrl && isSafeBackgroundURL(taskUrl)); |
| 461 | if ((!safeHomeUrl && !safeTaskUrl) || !pack.hasBackground) { |
| 462 | clearBackgroundCSSVars(root); |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | if (safeHomeUrl && home) { |
| 467 | root.style.setProperty("--theme-bg-home-image", `url("${cssUrlEscape(homeUrl)}")`); |
| 468 | root.style.setProperty("--theme-bg-home-focus-x", `${clamp01(home.focusX) * 100}%`); |
| 469 | root.style.setProperty("--theme-bg-home-focus-y", `${clamp01(home.focusY) * 100}%`); |
| 470 | root.style.setProperty("--theme-bg-home-opacity", String(clamp01(home.homeOpacity ?? 1))); |
| 471 | // Pane transparency: how much the background shows through the UI panes. |
| 472 | const homePane = clamp01(home.paneOpacity ?? 0.50); |
| 473 | root.style.setProperty("--theme-pane-alpha", String(homePane)); |
| 474 | // Pre-computed percentages for CSS (avoids calc() compat issues). |
| 475 | // Clamp to 100% to prevent color-mix from receiving values > 100%. |
| 476 | root.style.setProperty("--theme-pane-shell-pct", `${Math.min((homePane + 0.08) * 100, 100)}%`); |
| 477 | root.style.setProperty("--theme-pane-card-pct", `${Math.min((homePane + 0.26) * 100, 100)}%`); |
| 478 | root.style.setProperty("--theme-pane-session-hover-pct", `${Math.min((homePane + 0.26) * 100, 100)}%`); |
| 479 | root.style.setProperty("--theme-pane-child-pct", `${Math.min((homePane + 0.30) * 100, 100)}%`); |
| 480 | root.style.setProperty("--theme-pane-interact-pct", `${Math.min((homePane + 0.40) * 100, 100)}%`); |
| 481 | root.style.setProperty("--theme-pane-overlay-pct", `${Math.min((homePane + 0.40) * 100, 100)}%`); |
| 482 | // Legacy aliases keep V1 tests and third-party diagnostics stable. |
| 483 | root.style.setProperty("--theme-bg-image", `url("${cssUrlEscape(homeUrl)}")`); |
| 484 | root.style.setProperty("--theme-bg-focus-x", `${clamp01(home.focusX) * 100}%`); |
| 485 | root.style.setProperty("--theme-bg-focus-y", `${clamp01(home.focusY) * 100}%`); |
| 486 | } else { |
| 487 | root.style.setProperty("--theme-bg-home-image", "none"); |
| 488 | } |
| 489 | |
| 490 | const taskSource = safeTaskUrl && task ? task : home; |
| 491 | const effectiveTaskUrl = safeTaskUrl ? taskUrl : safeHomeUrl ? homeUrl : ""; |
| 492 | if (taskSource && effectiveTaskUrl) { |
| 493 | root.style.setProperty("--theme-bg-task-image", `url("${cssUrlEscape(effectiveTaskUrl)}")`); |
| 494 | root.style.setProperty("--theme-bg-task-focus-x", `${clamp01(taskSource.focusX) * 100}%`); |
| 495 | root.style.setProperty("--theme-bg-task-focus-y", `${clamp01(taskSource.focusY) * 100}%`); |
| 496 | } else { |
| 497 | root.style.setProperty("--theme-bg-task-image", "none"); |
| 498 | } |
| 499 | const taskOpacity = task ? task.opacity : home?.taskOpacity; |
| 500 | const taskOverlay = task ? task.overlayStrength : home?.overlayStrength; |
| 501 | root.style.setProperty("--theme-bg-task-opacity", String(clamp01(taskOpacity ?? 0.28))); |
| 502 | root.style.setProperty("--theme-bg-task-overlay", String(clamp01(taskOverlay ?? 0.62))); |
| 503 | root.style.setProperty("--theme-bg-overlay", String(clamp01(taskOverlay ?? 0.62))); |
| 504 | // Task scene pane transparency (defaults to home paneOpacity if not set on task scene). |
| 505 | const taskPane = clamp01(task?.paneOpacity ?? home?.paneOpacity ?? 0.68); |
| 506 | root.style.setProperty("--theme-pane-task-alpha", String(taskPane)); |
| 507 | root.style.setProperty("--theme-pane-task-shell-pct", `${Math.min((taskPane + 0.08) * 100, 100)}%`); |
| 508 | root.style.setProperty("--theme-pane-task-card-pct", `${Math.min((taskPane + 0.14) * 100, 100)}%`); |
| 509 | root.style.setProperty("--theme-pane-task-session-hover-pct", `${Math.min((taskPane + 0.26) * 100, 100)}%`); |
| 510 | root.style.setProperty("--theme-pane-task-child-pct", `${Math.min((taskPane + 0.30) * 100, 100)}%`); |
| 511 | root.style.setProperty("--theme-pane-task-interact-pct", `${Math.min((taskPane + 0.40) * 100, 100)}%`); |
| 512 | root.style.setProperty("--theme-pane-task-overlay-pct", `${Math.min((taskPane + 0.40) * 100, 100)}%`); |
| 513 | const safe = taskSource?.safeArea === "left" || taskSource?.safeArea === "right" ? taskSource.safeArea : "center"; |
| 514 | root.setAttribute("data-theme-safe-area", safe); |
| 515 | root.setAttribute("data-theme-has-bg", "true"); |
| 516 | } |
| 517 | |
| 518 | function clearBackgroundCSSVars(root: HTMLElement): void { |
| 519 | root.style.removeProperty("--theme-bg-home-image"); |
| 520 | root.style.removeProperty("--theme-bg-home-focus-x"); |
| 521 | root.style.removeProperty("--theme-bg-home-focus-y"); |
| 522 | root.style.removeProperty("--theme-bg-task-image"); |
| 523 | root.style.removeProperty("--theme-bg-task-focus-x"); |
| 524 | root.style.removeProperty("--theme-bg-task-focus-y"); |
| 525 | root.style.removeProperty("--theme-bg-task-overlay"); |
| 526 | root.style.removeProperty("--theme-bg-image"); |
| 527 | root.style.removeProperty("--theme-bg-focus-x"); |
| 528 | root.style.removeProperty("--theme-bg-focus-y"); |
| 529 | root.style.removeProperty("--theme-bg-home-opacity"); |
| 530 | root.style.removeProperty("--theme-bg-task-opacity"); |
| 531 | root.style.removeProperty("--theme-bg-overlay"); |
| 532 | root.style.removeProperty("--theme-pane-alpha"); |
| 533 | root.style.removeProperty("--theme-pane-task-alpha"); |
| 534 | root.style.removeProperty("--theme-pane-shell-pct"); |
| 535 | root.style.removeProperty("--theme-pane-task-shell-pct"); |
| 536 | root.style.removeProperty("--theme-pane-card-pct"); |
| 537 | root.style.removeProperty("--theme-pane-task-card-pct"); |
| 538 | root.style.removeProperty("--theme-pane-session-hover-pct"); |
| 539 | root.style.removeProperty("--theme-pane-child-pct"); |
| 540 | root.style.removeProperty("--theme-pane-interact-pct"); |
| 541 | root.style.removeProperty("--theme-pane-overlay-pct"); |
| 542 | root.style.removeProperty("--theme-pane-task-session-hover-pct"); |
| 543 | root.style.removeProperty("--theme-pane-task-child-pct"); |
| 544 | root.style.removeProperty("--theme-pane-task-interact-pct"); |
| 545 | root.style.removeProperty("--theme-pane-task-overlay-pct"); |
| 546 | root.removeAttribute("data-theme-safe-area"); |
| 547 | root.removeAttribute("data-theme-has-bg"); |
| 548 | } |
| 549 | |
| 550 | export function isSafeHex(value: string): boolean { |
| 551 | return /^#([0-9a-fA-F]{6}|[0-9a-fA-F]{8})$/.test(value.trim()); |
| 552 | } |
| 553 | |
| 554 | export function isSafeBackgroundURL(url: string): boolean { |
| 555 | const u = url.trim(); |
| 556 | if (!u) return false; |
| 557 | if (u.startsWith("/__reasonix_theme_asset/")) return true; |
| 558 | if (u.startsWith("data:image/png;base64,")) return true; |
| 559 | if (u.startsWith("data:image/jpeg;base64,")) return true; |
| 560 | if (u.startsWith("data:image/jpg;base64,")) return true; |
| 561 | if (u.startsWith("data:image/webp;base64,")) return true; |
| 562 | if (u.startsWith("blob:")) return true; |
| 563 | if (trustedBundledThemeBackgroundURLs.has(u)) return true; |
| 564 | return false; |
| 565 | } |
| 566 | |
| 567 | function clamp01(v: number): number { |
| 568 | if (!Number.isFinite(v)) return 0.5; |
| 569 | return Math.min(1, Math.max(0, v)); |
| 570 | } |
| 571 | |
| 572 | function cssEscape(value: string): string { |
| 573 | // Keep ":" so plugin theme ids (plugin:<plugin>:<theme>) still match the |
| 574 | // quoted data-theme-pack attribute selector — a colon is legal inside a |
| 575 | // quoted attribute value and cannot break out of it. |
| 576 | return value.replace(/[^a-zA-Z0-9_:-]/g, ""); |
| 577 | } |
| 578 | |
| 579 | function cssUrlEscape(url: string): string { |
| 580 | return url.replace(/\\/g, "\\\\").replace(/"/g, '\\"'); |
| 581 | } |
| 582 | |
| 583 | /** Build a draft pack view for live editor preview (may use data-URL background). */ |
| 584 | export function draftPackView(input: { |
| 585 | id: string; |
| 586 | name: string; |
| 587 | baseStyle: string; |
| 588 | tokens: ThemePackTokens; |
| 589 | recipes: ThemePackRecipes; |
| 590 | background?: ThemePackBackground | null; |
| 591 | backgroundUrl?: string; |
| 592 | taskBackground?: ThemePackSceneBackground | null; |
| 593 | taskBackgroundUrl?: string; |
| 594 | }): ThemePackView { |
| 595 | return { |
| 596 | id: input.id || "preview", |
| 597 | name: input.name || "Preview", |
| 598 | baseStyle: input.baseStyle || "graphite", |
| 599 | builtin: false, |
| 600 | active: false, |
| 601 | hasBackground: Boolean((input.backgroundUrl && input.background) || (input.taskBackgroundUrl && input.taskBackground)), |
| 602 | backgroundUrl: input.backgroundUrl, |
| 603 | taskBackgroundUrl: input.taskBackgroundUrl, |
| 604 | tokens: input.tokens || {}, |
| 605 | recipes: input.recipes || { density: "comfortable", corners: "soft" }, |
| 606 | background: input.background ?? undefined, |
| 607 | taskBackground: input.taskBackground ?? undefined, |
| 608 | }; |
| 609 | } |
| 610 | |
| 611 | export function emptyThemeTokens(): ThemePackTokens { |
| 612 | return { light: {}, dark: {} }; |
| 613 | } |
| 614 | |
| 615 | export function defaultBackground(): ThemePackBackground { |
| 616 | return { |
| 617 | focusX: 0.5, |
| 618 | focusY: 0.5, |
| 619 | safeArea: "center", |
| 620 | homeOpacity: 1, |
| 621 | taskOpacity: 0.28, |
| 622 | overlayStrength: 0.62, |
| 623 | paneOpacity: 0.50, |
| 624 | }; |
| 625 | } |
| 626 | |
| 627 | export function defaultTaskBackground(): ThemePackSceneBackground { |
| 628 | return { |
| 629 | focusX: 0.5, |
| 630 | focusY: 0.5, |
| 631 | safeArea: "center", |
| 632 | opacity: 0.28, |
| 633 | overlayStrength: 0.62, |
| 634 | paneOpacity: 0.68, |
| 635 | }; |
| 636 | } |
| 637 |