Files
gravity_web/server/cdp-client.js

545 lines
18 KiB
JavaScript

/**
* CDP Client — Antigravity IDE와 Chrome DevTools Protocol로 통신
*
* 채팅 DOM 스크래핑, 메시지 전송, 상태 모니터링
*
* Antigravity DOM 구조 (v1.107.0 기준):
* .antigravity-agent-side-panel
* └ #conversation ← 대화 스크롤 영역
* ├ .overflow-y-auto ← 메시지 스크롤 컨테이너
* │ └ (메시지 블록들)
* └ .text-ide-message-block-bot-color ← 입력 영역 래퍼
* └ #antigravity.agentSidePanelInputBox
* └ [contenteditable][role="textbox"] ← 입력창
*/
const CDP = require('chrome-remote-interface');
class CDPClient {
constructor(host = 'localhost', port = 9000) {
this.host = host;
this.port = port;
this.client = null;
this.connected = false;
this.lastChatHTML = '';
this.pollInterval = null;
this.onChatUpdate = null; // callback(html)
this.onDisconnect = null; // callback()
this.onScreencastFrame = null; // callback({data, metadata})
this.screencastRunning = false;
}
/**
* CDP 연결 수립
*/
async connect() {
try {
// CDP 타겟 목록에서 올바른 페이지 찾기
const targets = await CDP.List({ host: this.host, port: this.port });
// Antigravity 메인 워크벤치 타겟 (jetski-agent 런치패드 제외)
const pageTarget = targets.find(t =>
t.type === 'page' &&
t.url.includes('workbench.html') &&
!t.url.includes('jetski')
) || targets.find(t => t.type === 'page' && !t.url.includes('devtools'));
if (!pageTarget) {
throw new Error('Antigravity 페이지 타겟을 찾을 수 없습니다');
}
this.client = await CDP({
host: this.host,
port: this.port,
target: pageTarget,
});
const { Runtime, DOM, Page, Input } = this.client;
await Promise.all([
Runtime.enable(),
DOM.enable(),
Page.enable(),
]);
this.connected = true;
// 연결 끊김 감지
this.client.on('disconnect', () => {
this.connected = false;
this.stopPolling();
if (this.onDisconnect) this.onDisconnect();
});
console.log(`[CDP] 연결 성공: ${this.host}:${this.port}${pageTarget.title}`);
return { success: true, title: pageTarget.title };
} catch (err) {
this.connected = false;
console.error(`[CDP] 연결 실패: ${this.host}:${this.port}${err.message}`);
return { success: false, error: err.message };
}
}
/**
* 연결 해제
*/
async disconnect() {
this.stopPolling();
if (this.client) {
try {
await this.client.close();
} catch (e) { /* ignore */ }
this.client = null;
}
this.connected = false;
}
/**
* 채팅 영역의 DOM을 구조화된 JSON으로 추출
*
* Antigravity DOM을 순회하여 메시지 블록을 타입별로 분류:
* - task: 작업 카드 (접기/펼치기 가능한 그룹)
* - text: 마크다운 텍스트
* - thought: Thought Process 블록
* - tool: 도구 호출/결과
* - code: 코드 블록
* - image: 이미지
* - user: 사용자 메시지
* - status: 상태 표시 (진행 중 등)
*/
async scrapeChatDOM() {
if (!this.connected || !this.client) return null;
try {
const { result } = await this.client.Runtime.evaluate({
expression: `
(function() {
const conv = document.querySelector('#conversation');
if (!conv) return JSON.stringify([]);
const scrollEl = conv.querySelector('.overflow-y-auto');
if (!scrollEl) return JSON.stringify([]);
const messages = [];
// 뷰포트에 실제 렌더링된 최상위 컨테이너 찾기
const topContainer = scrollEl.querySelector('.mx-auto.w-full > div > div');
if (!topContainer) return JSON.stringify([]);
// 각 turn(대화 턴)을 순회
const turns = topContainer.children;
for (let i = 0; i < turns.length; i++) {
const turn = turns[i];
// placeholder 블록 건너뛰기 (가상 스크롤)
const isPlaceholder = turn.children.length > 0 &&
Array.from(turn.children).every(c =>
c.classList.contains('rounded-lg') &&
c.classList.contains('bg-gray-500/10') &&
c.textContent.trim() === ''
);
if (isPlaceholder) continue;
// 턴 내부의 각 메시지 블록 순회
const blocks = turn.querySelectorAll(':scope > *');
for (const block of blocks) {
// placeholder 개별 블록도 건너뛰기
if (block.classList.contains('bg-gray-500/10') && block.textContent.trim() === '') continue;
// --- 작업 카드 (task boundary) ---
const taskCard = block.querySelector('.isolate');
if (taskCard || block.classList.contains('isolate')) {
const card = taskCard || block;
const titleEl = card.querySelector('.font-semibold');
const summaryEl = card.querySelector('.text-sm .leading-relaxed');
const expanded = card.querySelector('[aria-expanded]');
// 하위 항목들 추출
const steps = [];
card.querySelectorAll('.flex.items-center.gap-2, .flex.w-full.items-center.gap-2').forEach(step => {
const txt = step.textContent.trim();
if (txt && txt.length > 2) {
const svg = step.querySelector('svg');
let icon = '';
if (svg) {
const cls = svg.getAttribute('class') || '';
if (cls.includes('check')) icon = '✓';
else if (cls.includes('loader') || cls.includes('spin')) icon = '⟳';
else if (cls.includes('x-circle') || cls.includes('alert')) icon = '⚠';
}
steps.push({ icon, text: txt.substring(0, 200) });
}
});
messages.push({
type: 'task',
title: titleEl ? titleEl.textContent.trim() : '',
summary: summaryEl ? summaryEl.textContent.trim().substring(0, 500) : '',
collapsed: expanded ? expanded.getAttribute('aria-expanded') === 'false' : true,
steps: steps.slice(0, 20),
});
continue;
}
// --- Thought Process ---
const thoughtBtn = block.querySelector('button');
if (thoughtBtn && thoughtBtn.textContent.includes('Thought for')) {
messages.push({
type: 'thought',
label: thoughtBtn.textContent.trim(),
collapsed: true,
});
continue;
}
// --- 코드 블록 ---
const pre = block.querySelector('pre');
if (pre && !block.querySelector('.isolate')) {
const codeEl = pre.querySelector('code');
const lang = codeEl ? (codeEl.className.match(/language-(\\w+)/) || [])[1] || '' : '';
messages.push({
type: 'code',
language: lang,
content: (codeEl || pre).textContent.substring(0, 2000),
});
continue;
}
// --- 이미지 ---
const img = block.querySelector('img');
if (img && img.src) {
messages.push({
type: 'image',
src: img.src,
alt: img.alt || '',
width: img.naturalWidth || img.width || 200,
height: img.naturalHeight || img.height || 150,
});
continue;
}
// --- 버튼 영역 (Proceed, Cancel 등) ---
const actionBtns = block.querySelectorAll('button');
if (actionBtns.length > 0) {
const actionKeywords = ['Proceed','Cancel','Open','View','Review','Approve','Reject','Yes','No','Accept','Deny','Allow','Skip'];
const buttons = Array.from(actionBtns).map(b => {
const label = b.textContent.trim();
const rect = b.getBoundingClientRect();
return {
label,
x: Math.round(rect.left + rect.width / 2),
y: Math.round(rect.top + rect.height / 2),
w: Math.round(rect.width),
h: Math.round(rect.height),
};
}).filter(b => b.label && b.w > 0);
if (buttons.length > 0 && buttons.some(b => actionKeywords.some(k => b.label.includes(k)))) {
messages.push({
type: 'actions',
buttons: buttons.slice(0, 8),
});
continue;
}
}
// --- 일반 텍스트 ---
// style 태그 내용을 제외한 순수 텍스트만 추출
const cloned = block.cloneNode(true);
cloned.querySelectorAll('style').forEach(s => s.remove());
const text = cloned.textContent.trim();
if (text.length > 0) {
// CSS 코드/내부 스타일 건너뛰기
if (text.startsWith('/*') || text.startsWith('@media') ||
text.includes('prefers-color-scheme') ||
text.includes('{') && text.includes('}') && text.includes(':') && text.includes(';') && text.length < 2000 ||
text.startsWith('.markdown-alert')) continue;
// leading-relaxed select-text → 마크다운 렌더링 텍스트
const mkEl = block.querySelector('.leading-relaxed.select-text');
// HTML에서도 style 태그를 DOM으로 제거
const htmlSrc = mkEl || block;
const htmlClone = htmlSrc.cloneNode(true);
htmlClone.querySelectorAll('style').forEach(s => s.remove());
const htmlContent = htmlClone.innerHTML;
messages.push({
type: 'text',
content: text.substring(0, 3000),
html: htmlContent.substring(0, 5000),
});
}
}
}
return JSON.stringify(messages);
})()
`,
returnByValue: true,
});
try {
return JSON.parse(result.value) || [];
} catch {
return [];
}
} catch (err) {
console.error('[CDP] 채팅 스크래핑 오류:', err.message);
return [];
}
}
/**
* Antigravity 채팅 입력창에 메시지를 전송
*
* 단일 Runtime.evaluate로 요소 찾기 + 텍스트 입력 수행
* (2단계 분리 시 셀렉터 이스케이프 손실 버그 방지)
*/
async sendMessage(text) {
if (!this.connected || !this.client) {
return { success: false, error: 'CDP 연결 없음' };
}
try {
const safeText = JSON.stringify(text);
const { result } = await this.client.Runtime.evaluate({
expression: `
(function() {
const selectors = [
'#antigravity\\\\.agentSidePanelInputBox [contenteditable="true"][role="textbox"]',
'.antigravity-agent-side-panel [contenteditable="true"][role="textbox"]',
'#conversation [contenteditable="true"]',
'[contenteditable="true"][role="textbox"]',
];
let el = null;
for (const sel of selectors) {
el = document.querySelector(sel);
if (el) break;
}
if (!el) return { success: false, error: 'input not found' };
el.focus();
const selection = window.getSelection();
const range = document.createRange();
range.selectNodeContents(el);
selection.removeAllRanges();
selection.addRange(range);
document.execCommand('insertText', false, ${safeText});
return { success: true, text: el.textContent.substring(0, 50) };
})()
`,
returnByValue: true,
});
if (!result.value?.success) {
return { success: false, error: result.value?.error || '입력 실패' };
}
// Enter 키 전송
await this.client.Input.dispatchKeyEvent({
type: 'keyDown',
key: 'Enter',
code: 'Enter',
nativeVirtualKeyCode: 13,
windowsVirtualKeyCode: 13,
});
await this.client.Input.dispatchKeyEvent({
type: 'keyUp',
key: 'Enter',
code: 'Enter',
nativeVirtualKeyCode: 13,
windowsVirtualKeyCode: 13,
});
console.log(`[CDP] 메시지 전송: "${text.substring(0, 50)}"`);
return { success: true };
} catch (err) {
console.error('[CDP] 메시지 전송 오류:', err.message);
return { success: false, error: err.message };
}
}
/**
* 채팅 폴링 시작 (1초 간격)
*/
startPolling(intervalMs = 1000) {
this.stopPolling();
this.pollInterval = setInterval(async () => {
if (!this.connected) {
this.stopPolling();
return;
}
const messages = await this.scrapeChatDOM();
const hash = JSON.stringify(messages);
if (messages && messages.length > 0 && hash !== this.lastChatHTML) {
this.lastChatHTML = hash;
if (this.onChatUpdate) {
this.onChatUpdate(messages);
}
}
}, intervalMs);
console.log(`[CDP] 폴링 시작 (${intervalMs}ms 간격)`);
}
/**
* 채팅 폴링 중지
*/
stopPolling() {
if (this.pollInterval) {
clearInterval(this.pollInterval);
this.pollInterval = null;
}
}
/**
* 현재 페이지 타이틀 가져오기
*/
async getTitle() {
if (!this.connected || !this.client) return null;
try {
const { result } = await this.client.Runtime.evaluate({
expression: 'document.title',
returnByValue: true,
});
return result.value;
} catch {
return null;
}
}
/**
* 스크린샷 (미리보기용)
*/
async captureScreenshot() {
if (!this.connected || !this.client) return null;
try {
const { data } = await this.client.Page.captureScreenshot({ format: 'jpeg', quality: 60 });
return data; // base64
} catch (err) {
console.error('[CDP] 스크린샷 오류:', err.message);
return null;
}
}
// ─── Phase 2: Screencast & Remote Input ────────────────
/**
* 실시간 화면 스트리밍 시작
* Page.startScreencast로 프레임을 수신하고 onScreencastFrame 콜백으로 전달
*/
async startScreencast(options = {}) {
if (!this.connected || !this.client) return false;
if (this.screencastRunning) return true;
const {
format = 'jpeg',
quality = 60,
maxWidth = 1280,
maxHeight = 900,
everyNthFrame = 2,
} = options;
try {
// 프레임 이벤트 리스너 등록
this.client.Page.screencastFrame(async (params) => {
// ACK — 이걸 보내야 다음 프레임이 옴
try {
await this.client.Page.screencastFrameAck({ sessionId: params.sessionId });
} catch { /* ignore */ }
if (this.onScreencastFrame) {
this.onScreencastFrame({
data: params.data, // base64 JPEG
metadata: params.metadata, // {offsetTop, pageScaleFactor, deviceWidth, deviceHeight, ...}
sessionId: params.sessionId,
});
}
});
await this.client.Page.startScreencast({
format,
quality,
maxWidth,
maxHeight,
everyNthFrame,
});
this.screencastRunning = true;
console.log(`[CDP] Screencast 시작 (${maxWidth}x${maxHeight}, q${quality}, every ${everyNthFrame}th frame)`);
return true;
} catch (err) {
console.error('[CDP] Screencast 시작 오류:', err.message);
return false;
}
}
/**
* 실시간 화면 스트리밍 중지
*/
async stopScreencast() {
if (!this.connected || !this.client || !this.screencastRunning) return;
try {
await this.client.Page.stopScreencast();
} catch { /* ignore */ }
this.screencastRunning = false;
this.onScreencastFrame = null;
console.log('[CDP] Screencast 중지');
}
/**
* 원격 입력 이벤트 디스패치
* @param {Object} evt — { type: 'mouse'|'key'|'scroll', ... }
*/
async dispatchInput(evt) {
if (!this.connected || !this.client) return;
try {
switch (evt.type) {
case 'mouse':
await this.client.Input.dispatchMouseEvent({
type: evt.action, // mousePressed, mouseReleased, mouseMoved
x: evt.x,
y: evt.y,
button: evt.button || 'left',
clickCount: evt.clickCount || 1,
modifiers: evt.modifiers || 0,
});
break;
case 'scroll':
await this.client.Input.dispatchMouseEvent({
type: 'mouseWheel',
x: evt.x,
y: evt.y,
deltaX: evt.deltaX || 0,
deltaY: evt.deltaY || 0,
});
break;
case 'key':
await this.client.Input.dispatchKeyEvent({
type: evt.action, // keyDown, keyUp, char
key: evt.key,
code: evt.code || '',
text: evt.text || '',
nativeVirtualKeyCode: evt.keyCode || 0,
windowsVirtualKeyCode: evt.keyCode || 0,
modifiers: evt.modifiers || 0,
});
break;
}
} catch (err) {
// 입력 이벤트 오류는 빈번할 수 있으므로 조용히 처리
}
}
}
module.exports = CDPClient;