46 lines
4.1 KiB
JavaScript
46 lines
4.1 KiB
JavaScript
import { mkdir } from 'node:fs/promises';
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import path from 'node:path';
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import { AtspiProvider } from './atspi.js';
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import { FrameNormalizer } from './frame.js';
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import { PortalScreenshot } from './portal-screenshot.js';
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import { ShellProvider } from './shell-provider.js';
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const normalize = (value) => String(value || '').toLowerCase().trim();
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const score = (query, node) => { const q = normalize(query); const text = `${normalize(node.name)} ${normalize(node.role)}`; if (!q || !text) return 0; if (text === q) return 100; if (text.includes(q)) return 75; const words = q.split(/\s+/).filter((w) => text.includes(w)); return words.length ? 40 + words.length * 10 : 0; };
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function timed(promise, ms, label) {
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const timeoutMs = Number(ms) > 0 ? Number(ms) : 0;
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if (!timeoutMs) return promise;
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let timer;
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return Promise.race([
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promise,
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new Promise((_, reject) => {
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timer = setTimeout(() => reject(new Error(`${label} timed out`)), timeoutMs);
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}),
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]).finally(() => { if (timer) clearTimeout(timer); });
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}
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export class DesktopObserver {
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constructor({ screenshot = new PortalScreenshot(), normalizer = new FrameNormalizer(), atspi = new AtspiProvider(), shell = new ShellProvider(), ocr, vision, tmpDir = '/tmp/jarvis-cu', timeouts = {} } = {}) {
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this.screenshot = screenshot; this.normalizer = normalizer; this.atspi = atspi; this.shell = shell; this.ocr = ocr; this.vision = vision; this.tmpDir = tmpDir;
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this.lastTree = [];
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this.timeouts = { screenshot: timeouts.screenshot ?? 8000, tree: timeouts.tree ?? 5000, ocr: timeouts.ocr ?? 8000, vision: timeouts.vision ?? 8000 };
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}
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async tree({ focusedOnly = true, maxNodes = 400 } = {}) { const nodes = await timed(this.atspi.tree({ focusedOnly, maxNodes }), this.timeouts.tree, 'AT-SPI'); this.lastTree = nodes.map((node, index) => ({ ...node, ref: `r${index + 1}` })); return this.lastTree; }
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async observe({ includeTree = true, includeOcr = false, includeVision = false } = {}) {
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await mkdir(this.tmpDir, { recursive: true });
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const unavailable = [];
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let rawPath; let frame = { path: null };
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try { rawPath = await timed(this.screenshot.capture(path.join(this.tmpDir, `observe-${Date.now()}.png`)), this.timeouts.screenshot, 'screenshot'); frame = await this.normalizer.normalize(rawPath); } catch (error) { unavailable.push(`screenshot: ${error.message}`); }
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await this.shell.connect?.().catch((error) => unavailable.push(`Shell helper: ${error.message}`));
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const [windows, focused, tree] = await Promise.all([this.shell.windows(), this.shell.focused(), includeTree ? this.tree().catch((error) => { unavailable.push(`AT-SPI: ${error.message}`); return []; }) : Promise.resolve([])]);
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const result = { monitor: null, focused, windows: windows.windows || [], tree, screenshot_path: frame.path, ocr_blocks: [], vision_hint: null, unavailable };
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if (!windows.available) result.unavailable.push(windows.reason);
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if (frame.path && includeOcr && this.ocr) result.ocr_blocks = await timed(this.ocr(frame.path), this.timeouts.ocr, 'OCR').catch((error) => { result.unavailable.push(`OCR: ${error.message}`); return []; });
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if (frame.path && includeVision && this.vision) result.vision_hint = await timed(this.vision(frame.path), this.timeouts.vision, 'vision').catch((error) => { result.unavailable.push(`vision: ${error.message}`); return null; });
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return result;
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}
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async zoom({ rect, ref } = {}) { await mkdir(this.tmpDir, { recursive: true }); const node = ref ? this.lastTree.find((item) => item.ref === ref) : null; const target = rect || node?.rect; if (!target) throw new Error('rect or current tree ref is required'); const raw = await this.screenshot.capture(path.join(this.tmpDir, `zoom-${Date.now()}.png`)); const frame = await this.normalizer.normalize(raw, path.join(this.tmpDir, `zoom-${Date.now()}.webp`), target); return { rect: target, screenshot_path: frame.path }; }
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async find({ query, role } = {}) { const nodes = this.lastTree.length ? this.lastTree : await this.tree(); return nodes.map((node) => ({ ...node, score: score(query, node) })).filter((node) => node.score && (!role || normalize(node.role) === normalize(role))).sort((a, b) => b.score - a.score).slice(0, 20); }
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}
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